U.S. PATENT AND TRADEMARK OFFICE
Information Products Division |
U.S. Patent Classification System - Classification Definitions
as of June 30, 2000
Patents classified in a subclass may be accessed by either clicking on
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Classification Index
Explanation of Data web page.
(definitions have been obtained from the
Patents ASSIST CD-ROM which
is produced by the U.S. Patent and Trademark Office
Electronic Products Branch)
Class 177
WEIGHING SCALES
Class Definition:
This class provides for (1) scales that determine the weight
of articles or material, (2) the control of the supply of
material to, with or without the discharge from, a weigh
chamber responsive to accumulation of a predetermined weight
of the material in the weigh chamber.
REFERENCES TO OTHER CLASSES
SEE OR SEARCH CLASS:
40, Card, Picture, or Sign Exhibiting, subclass 458 for a
changeable exhibitor operated or controlled by a weigher.
73, Measuring and Testing, subclass 296 for a weighing type
liquid level gauge, and 433+, for specific gravity or density
determination with a weighing feature. See the notes to
Class 73 for the distribution of measuring and testing art.
131, Tobacco, 280 for automatic weighers controlling the
feed of tobacco to cigar or cigarette machines.
137, Fluid Handling, subclass 161 and 162 for a gravitating
vessel controlling a fluid pressure system and subclasses
403+ for a fluid handling system controlled by the weight
accumulated fluid.
141, Fluent Material Handling, With Receiver or Receiver
Coacting Means, appropriate subclasses for a weigher-receiver
organization with handling in addition to supplying or
removing receivers, or treatment subsequent to completion of
a weighing phase, particularly subclass 83 for mere
determination of weight of contents of a receiver.
164, Metal Founding, subclass 155.7 for a metal casting
apparatus including control means influenced by a weight
sensor.
194, Check-Actuated Control Mechanisms, subclass 21, 35 and
47 for other check controlled weighing scales, and subclass
103 for the rejection of coins of improper weight.
198, Conveyors: Power-Driven, subclass 959 for a conveyor
having a weighing feature wherein there is some moving of the
material besides that necessary to the weighing operation.
209, Classifying, Separating, and Assorting Solids, 510,
592+, and 645+ for means for automatically sorting articles
by weight, and subclass 239 for sifting with weighing.
212, Traversing Hoists, subclass 283 for a traversing hoist
with a weighing means which accomplishes more than the mere
lifting and weighing of the load.
222, Dispensing, subclass 55 for constant feed from a
dispenser responsive to the weight of unrestrained material
already discharged, subclass 58 for means responsive to the
weight of material in a container for controlling its
discharge, and subclass 77 for weighing-dispensing
combinations involving means to weigh material already
dispensed.
346, Recorders, subclass 94 for a recorder operated by a
weigher wherein there is included only so much of the weigher
as is necessary to operate the recorder.
366, Agitating, subclass 18 for mortar mixing devices
including means for proportioning ingredients by weight, and
subclass 141 for agitation with weighing.
374, Thermal Measuring and Testing, subclass 14 for thermal
gravimetric analysis.
406, Conveyors: Fluid Current, 23 and 32+ for a fluid
current conveyor including a weighing feature wherein there
is some movement of the material besides that necessary to
the weighing operation.
414, Material or Article Handling, subclass 21 for weighing
with handling of that class more than that necessary to the
weighing operation.
700, Data Processing: Generic Control Systems or Specific
Applications, subclass 305 for weight responsive computer
control system.
702, Data Processing: Measuring, Calibrating, or Testing,
101 for weight calibration or correction system, and
subclasses 173+ for weight measurement system.
705, Data Processing: Financial, Business Practice,
Management, or Cost/price Determination, subclass 407, for a
postage meter system including (a) a weighing device to
determine the weight of an article and (b) an electrical
computing arrangement to calculate a postage fee based on the
determined weight;and subclasses 414+, for determining the
cost per unit weight of a material by an electrical computing
arrangement.
D10, Measuring, Testing, or Signalling Instruments, 87 for
design of weighing machines.
SUBCLASSES
Subclass:
1
This subclass is indented under the class definition.
Processes.
Subclass:
2
This subclass is indented under the class definition.
Subject matter including means for making a permanent record
of the weighing operation.
SEE OR SEARCH CLASS:
346, Recorders, 9 and 40 for a recorder for a weigher.
Subclass:
3
This subclass is indented under subclass 2. Apparatus
including means for totalizing the amount measured or for
producing a record in units other than of mass or force.
Subclass:
4
This subclass is indented under subclass 2. Apparatus
wherein a record other than of the weight value is produced.
Subclass:
5
This subclass is indented under subclass 4. Apparatus
wherein the additional record is of other information
associated with the material weighed.
Subclass:
6
This subclass is indented under subclass 2. Apparatus
whereby records of tare and gross weight are associated.
Subclass:
7
This subclass is indented under subclass 2. Apparatus
wherein the recorder is actuated by means sensing removal of
the weighed mass or its weigh chamber.
Subclass:
8
This subclass is indented under subclass 2. Apparatus
including means whereby the record receiver is advanced
through the recorder.
Subclass:
9
This subclass is indented under subclass 8. Apparatus
wherein the means is the weigher.
Subclass:
10
This subclass is indented under subclass 2. Apparatus
wherein the weight record is made by an independently
operating operator.
Subclass:
11
This subclass is indented under subclass 10. Device wherein
an element of the recorder is mounted on a slidable poise.
Subclass:
12
This subclass is indented under subclass 2. Apparatus
wherein the recorder is actuated by timing means or means
sensing the completion of the weighing operation.
Subclass:
13
This subclass is indented under subclass 2. Apparatus
including weigher operated means setting record printing
type.
Subclass:
14
This subclass is indented under the class definition.
Apparatus provided with means to limit the number of filling
and discharging cycles of the weigher.
Subclass:
15
This subclass is indented under the class definition.
Apparatus including a counting or totalizing device.
SEE OR SEARCH THIS CLASS, SUBCLASS:
3 for totalizing and recording.
Subclass:
16
This subclass is indented under subclass 15. Apparatus
wherein the quantity of material flowed over a weigher is
totalized by a means relating the continuous weigher reading
to the material stream length.
Subclass:
17
This subclass is indented under subclass 15. Apparatus
including means for adding together successive distinct
weight value indications.
Subclass:
18
This subclass is indented under subclass 15. Apparatus which
is responsive to the number of times the weigher is
operated.
Subclass:
19
This subclass is indented under subclass 18. Apparatus
wherein the totalizer is responsive to each of a plurality of
weigh chambers.
SEE OR SEARCH THIS CLASS, SUBCLASS:
17 for totalizing the weight value of successive loads.
Subclass:
20
This subclass is indented under subclass 19. Apparatus
wherein operation of the totalizer is preceded by preliminary
translation of the weighing chambers in a rotary type
weigher.
Subclass:
21
This subclass is indented under subclass 19. Apparatus
wherein the totalizer is responsive to one of a plurality of
weigh chambers said one being intermittently involved in a
plurality of weighing operations.
Subclass:
22
This subclass is indented under subclass 18. Apparatus
operated by the oscillations of a weigh beam.
Subclass:
23
This subclass is indented under subclass 18. Apparatus
operated by movement of a weigh chamber discharge valve.
Subclass:
24
This subclass is indented under subclass 18. Apparatus
operated by movement of a weigh chamber.
Subclass:
25.11
Computer:
This subclass is indented under the class definition.
Apparatus comprising means which gives the result of a
mathematical operation involving the weight evaluator.
SEE OR SEARCH CLASS:
700, Data Processing: Generic Control Systems or Specific
Applications, subclass 305 for weight control.
702, Data Processing: Measuring, Calibrating, or Testing,
101 for calibration of weight measurement data or apparatus,
subclass 129 for article count or size distribution by weight
and subclasses 173+ for a generic weight measurement system.
705, Data Processing: Financial, Business Practice,
Management, or Cost/price Determination, subclass 407, for a
postage meter system including (a) a weighing device to
determine the weight of an article and (b) an electrical
computing arrangement to calculate a postage fee based on the
determined weight;and subclasses 414+, for determining the
cost per unit weight of a material by an electrical computing
arrangement.
Subclass:
25.12
Electrical:
This subclass is indented under subclass 25.11. Apparatus
where the mathematical operation is performed by an
electrical or electronic devices.
Subclass:
25.13
Digital:
This subclass is indented under subclass 25.12. Apparatus
where the electrical or electronic devices performs the
mathematical operation using discrete data, (e.g., by means
of a microprocessor or other electronic calculating means,
acquired through an analog to digital conversion means).
Subclass:
25.14
Multiplying or dividing scales:
Apparatus under 25.13 where the mathematical operation
includes multiplying or dividing the results of a weighing
operation by user determined input(s).
Subclass:
25.15
Price:
This subclass is indented under subclass 25.14. Apparatus
where the user input is unit price information, used to
determined the total cost of the material being weighed
(e.g., grocery store or postage scales).
Subclass:
25.16
Calorie counting:
This subclass is indented under subclass 25.14. Apparatus
where the user input is information relating to the caloric
content of food stuffs being weighed.
Subclass:
25.17
Counting:
This subclass is indented under subclass 25.14. Apparatus
where the user input is unit weight information to enable the
number of articles being weighed to be determined from the
total weight of the articles.
Subclass:
25.18
Combinatorial scales:
This subclass is indented under subclass 25.13. Apparatus
where increments of weight are determined by one or more
weighers, deposited in hoppers and combined in various ways
to obtain a combination which most closely approaches a
target value.
Subclass:
25.19
Weight history:
This subclass is indented under subclass 25.12. Apparatus
where the device maintains a memory of previous weight value
for an individual, object, class of objects or a sum of
serial increments of fluent material.
Subclass:
26
This subclass is indented under subclass 25. Apparatus
wherein a load holder is connected to evaluating structure
optionally operable to separately weigh or to separately give
a computed value of the load.
Subclass:
27
This subclass is indented under subclass 26. Apparatus
including separate slidable poises on diversely calibrated
balance beams.
Subclass:
28
This subclass is indented under subclass 27. Apparatus
wherein the weighing dial and the computing dial are on
separate beams having separate pivots.
Subclass:
29
This subclass is indented under subclass 27. Apparatus
wherein the calibrations on one of the diversely calibrated
beams comprises a chart.
Subclass:
30
This subclass is indented under subclass 25. Apparatus in
which a weight responsive structure, additional to the
weigher, positions a datum scale relative to the path of the
weight evaluating member of the weigher or modifies the
response of the indicator elements to the weight evaluator.
Subclass:
31
This subclass is indented under subclass 25. Apparatus
comprising a datum scale and index independent of the weigher
scale and index.
Subclass:
32
This subclass is indented under subclass 31. Apparatus
having an adjustable structure driving the computer reading
structure from the load force offsetting means.
Subclass:
33
This subclass is indented under subclass 32. Apparatus in
which the driven computer reading structure includes a
pointer that is mounted coaxially with a weigher pointer.
Subclass:
34
This subclass is indented under subclass 25. Apparatus
comprising a plurality of diverse datum scales showing
results calculated from certain data including a weight
evaluation.
Subclass:
35
This subclass is indented under subclass 34. Apparatus
wherein a slidable poise portions the chart.
Subclass:
36
This subclass is indented under subclass 34. Apparatus
wherein the chart is moved by the weight sensor.
Subclass:
37
This subclass is indented under subclass 36. Apparatus in
which the chart is in the form of a rotatable drum.
Subclass:
38
This subclass is indented under subclass 37. Apparatus
including a member moved manually over the face of the chart
to pick out or expose a section thereof.
Subclass:
39
This subclass is indented under subclass 37. Apparatus
including oppositely disposed reading windows in the drum
casing.
Subclass:
40
This subclass is indented under subclass 36. Apparatus
wherein the chart is a flat circular plate enclosed in a
housing.
Subclass:
41
This subclass is indented under subclass 34. Apparatus
wherein the chart is externally movable relating to the path
of the pointer of the weigher.
Subclass:
42
This subclass is indented under subclass 41. Apparatus
wherein the chart is rotatable about a longitudinal axis.
Subclass:
43
This subclass is indented under subclass 34. Apparatus
wherein the chart is traversed by a weigher driven arm having
calibrations correlated with datum scales on the chart.
Subclass:
44
This subclass is indented under subclass 34. Apparatus in
which the chart extends along a balance arm carrying a
slidable poise.
Subclass:
45
This subclass is indented under the class definition.
Apparatus with means to audibly or visually convey
information in addition to that of the regular weigher
indicator.
SEE OR SEARCH CLASS:
40, Card, Picture, or Sign Exhibiting, subclass 458 for a
changeable exhibitor operated or controlled by a weigher.
340, Communications: Electrical, subclass 666 for a weight
operated electrical alarm.
Subclass:
46
This subclass is indented under subclass 45. Apparatus
wherein a signal or indicator is given when the load differs
from the desired datum or preset i.e., just before the
balance of a beam overload.
Subclass:
47
This subclass is indented under subclass 45. Apparatus which
indicates the attainment of the desired datum or preset.
Subclass:
48
This subclass is indented under subclass 47. Apparatus
wherein the signal or indication is given electrically.
Subclass:
49
This subclass is indented under subclass 45. Apparatus
relating to the operative presence of additional
counterpoise.
Subclass:
50
This subclass is indented under the class definition.
Apparatus wherein a test is performed.
Subclass:
51
This subclass is indented under subclass 50. Apparatus
having a size gauging structure.
SEE OR SEARCH CLASS:
73, Measuring and Testing, subclass 163 for miscellaneous
coin testing and see the search notes in the definition of
that subclass.
Subclass:
52
This subclass is indented under the class definition.
Apparatus having means by which the movement of a series of
removable containers relative to a filling and weighing
station is correlated with the weighing operation.
SEE OR SEARCH CLASS:
141, Fluent Material Handling, With Receiver or Receiver
Coacting Means, 129 for handling successive receivers in a
relation other than correlated with a weighing operation.
209, Classifying, Separating, and Assorting Solids, 510,
592+, and 645+ for means for automatically sorting articles
by weight.
414, Material or Article Handling, subclass 21 for material
handling devices wherein there is some moving of the material
besides that incidental to the weighing operation.
Subclass:
53
This subclass is indented under subclass 52. Apparatus
wherein a receiver in filling position on the conveying means
controls operation of the weigher.
Subclass:
54
This subclass is indented under subclass 52. Apparatus
wherein a rotary conveyor transports the receivers to the
filling means.
Subclass:
55
This subclass is indented under subclass 54. Apparatus
wherein the receiver on the conveyor is subsequently filled
from a distinct priorly operated weigh chamber.
Subclass:
56
This subclass is indented under subclass 52. Apparatus
wherein the receiver on the conveyor is subsequently filled
from a distinct priorly operated weigh chamber.
Subclass:
57
This subclass is indented under subclass 56. Apparatus
wherein a plurality of weighing means operate
simultaneously.
Subclass:
58
This subclass is indented under the class definition.
Apparatus having a plurality of weighers carried in a
circular path by rotating supporting means.
Subclass:
59
This subclass is indented under the class definition.
Apparatus including means for delivering a load from a weigh
chamber to a removable container.
Subclass:
60
This subclass is indented under the class definition.
Apparatus wherein a weigh chamber actuates material supply
control means.
SEE OR SEARCH CLASS:
137, Fluid Handling, 403 for liquid level control by weight
of accumulated liquid.
209, Classifying, Separating, and Assorting Solids, 510,
592+, and 645+ for means for automatically sorting articles
by weight.
222, Dispensing, subclass 58 for a dispenser having means
responsive to the weight of material in the supply container
for controlling its discharge.
Subclass:
61
This subclass is indented under subclass 60. Apparatus
wherein a weigh chamber is translated among a plurality of
feeding sources.
Subclass:
62
This subclass is indented under subclass 60. Apparatus
wherein a discharge station is remote from the filling
station.
Subclass:
63
This subclass is indented under subclass 60. Apparatus
including additional means responsive to the presence of
material, e.g., regulators.
Subclass:
64
This subclass is indented under subclass 63. Apparatus
wherein the additional means controls feed means.
Subclass:
65
This subclass is indented under subclass 64. Apparatus
wherein the feed is directed to each of alternating weigher
chambers.
Subclass:
66
This subclass is indented under subclass 64. Apparatus also
controlling discharge means.
Subclass:
67
This subclass is indented under subclass 66. Apparatus also
controlling overload removal means.
Subclass:
68
This subclass is indented under subclass 60. Apparatus which
terminates flow of material in response to movement of the
weigh chamber the necessary reestablishment of flow being
initiated by an external operator.
Subclass:
69
This subclass is indented under subclass 68. Apparatus
wherein a plurality of feeding sources are cut off
simultaneously.
Subclass:
70
This subclass is indented under subclass 68. Apparatus
wherein a plurality of feeding sources with different
ingredients are used sequentially.
Subclass:
71
This subclass is indented under subclass 68. Apparatus
controlling both the feed to and discharge from the weigher.
Subclass:
72
This subclass is indented under subclass 71. Apparatus
provided with manually actuated means controlling discharge
from the weigh chamber.
Subclass:
73
This subclass is indented under subclass 68. Apparatus
wherein the external reset is incidental to placement of a
receiver in feeding position on the weigher.
Subclass:
74
This subclass is indented under subclass 68. Apparatus
wherein the movement of the weigh chamber causes the release
of a latch.
Subclass:
75
This subclass is indented under subclass 74. Apparatus
having a plurality of latches released in sequence.
Subclass:
76
This subclass is indented under subclass 74. Apparatus
wherein the latch is released by a magnetic operator.
Subclass:
77
This subclass is indented under subclass 76. Apparatus
wherein the release of the latch causes actuation of a switch
in series circuit with the magnetic operator.
Subclass:
78
This subclass is indented under subclass 74. Apparatus
wherein the latch controls a reciprocating closure member.
Subclass:
79
This subclass is indented under subclass 68. Apparatus
wherein movement of the weigh chamber controls an electric
circuit to a magnetic holding coil.
Subclass:
80
This subclass is indented under subclass 60. Apparatus
correlated with an additional distinct control means.
Subclass:
81
This subclass is indented under subclass 80. Apparatus
wherein an initial partial change is fed to the weigh chamber
prior to a finishing feed and one of the feeds is controlled
by external means.
Subclass:
82
This subclass is indented under subclass 60. Apparatus
controlling discharge from the weigh chamber of material in
excess of the desired predetermined weight.
SEE OR SEARCH THIS CLASS, SUBCLASS:
67 for additional material-presence-responsive means
controlling the overload.
Subclass:
83
This subclass is indented under subclass 60. Apparatus
wherein the weigh chamber is mounted for unidirectional
rotation.
SEE OR SEARCH CLASS:
73, Measuring and Testing, 217 for a rotary tank type of
volume or rate of flow meter.
Subclass:
84
This subclass is indented under subclass 83. Apparatus
wherein an external energy source moves the weigh chamber.
Subclass:
85
This subclass is indented under subclass 83. Apparatus
wherein the movement of the rotary weigh chamber is
controlled by an electromagnetically actuated latch release.
Subclass:
86
This subclass is indented under subclass 83. Apparatus
wherein the translation of the axis under the load received
in the weigh chamber controls its turning.
Subclass:
87
This subclass is indented under subclass 86. Apparatus in
which the translation also controls feed.
Subclass:
88
This subclass is indented under subclass 87. Apparatus
wherein the feed control is achieved by cam structure mounted
on the rotary weigh chamber.
Subclass:
89
This subclass is indented under subclass 60. Apparatus
wherein the load is carried and controlled by movement of the
floor or discharge gate of the weigh chamber, the body of the
weigh chamber having no movement.
Subclass:
90
This subclass is indented under subclass 60. Weighers
wherein the weighing operation occurs alternately in two
weigh chambers.
SEE OR SEARCH THIS CLASS, SUBCLASS:
65 for additional material-presence-responsive means related
to alternating weigh chambers.
Subclass:
91
This subclass is indented under subclass 90. Weighers in
which the weigh chambers are compartments of a chamber
divided by a partition.
Subclass:
92
This subclass is indented under subclass 91. Weighers
wherein the partition oscillates relative to the weigh
chamber.
Subclass:
93
This subclass is indented under subclass 92. Weighers
wherein the alternation of feed to the weigh chamber is
controlled by a diverter pivotally mounted on the partition.
Subclass:
94
This subclass is indented under subclass 91. Weighers
wherein the alternation is by oscillation.
Subclass:
95
This subclass is indented under subclass 94. Weighers
including valve means.
Subclass:
96
This subclass is indented under subclass 95. Weighers opened
by gravity.
Subclass:
97
This subclass is indented under subclass 95. Weighers
wherein the valve means is relatively fixedly mounted
externally of the weigh chamber.
Subclass:
98
This subclass is indented under subclass 90. Weigh chambers
wherein the lowering of one weigh chamber actuates a diverter
located within or at the discharge end of a feed hopper to
direct material to another weigh chamber.
Subclass:
99
This subclass is indented under subclass 98. Weigh chambers
wherein the diverter is correlated with discharge valves of
the weigh chambers.
Subclass:
100
This subclass is indented under subclass 90. Weigh chambers
wherein the discharge of the weighed material is through
valve means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
99 for a discharge valve correlated with a feed diverter.
Subclass:
101
This subclass is indented under subclass 90. Weigh chambers
wherein the discharge is accomplished by siphon means.
Subclass:
102
This subclass is indented under subclass 90. Weigh chambers
wherein the weigh chambers are oscillated.
Subclass:
103
This subclass is indented under subclass 60. Apparatus
including a plurality of weigh chambers.
SEE OR SEARCH THIS CLASS, SUBCLASS:
90 for alternating weigh chambers.
Subclass:
104
This subclass is indented under subclass 103. Devices so
related that they discharge simultaneously.
Subclass:
105
This subclass is indented under subclass 60. Apparatus which
discharges by the opening of a discharge valve or gate.
SEE OR SEARCH THIS CLASS, SUBCLASS:
23 for a weigher having a cycle totalizer, discharge valve
operated.
Subclass:
106
This subclass is indented under subclass 105. Weighers
wherein a feed valve at closed position starts mechanism
which opens the discharge valve.
Subclass:
107
This subclass is indented under subclass 105. Device, on
closing, starts mechanism to open feed valve means.
Subclass:
108
This subclass is indented under subclass 105. Weigher
operated by the power of a source outside the weigher.
Subclass:
109
This subclass is indented under subclass 108. Weigher with
structure connectable between the outside power source and
the valve.
Subclass:
110
This subclass is indented under subclass 109. Apparatus of
the magnetic type.
Subclass:
111
This subclass is indented under subclass 105. Device
mechanically interconnected to a feed valve so that as one
valve opens the other closes.
Subclass:
112
This subclass is indented under subclass 105. Device
operated by a linkage mechanism associated with the weigh
chamber.
Subclass:
113
This subclass is indented under subclass 105. Device held in
closed position by a latch which is released by the weigh
chamber.
SEE OR SEARCH THIS CLASS, SUBCLASS:
74 for an externally reset feed terminator latch released by
the weigh chamber.
Subclass:
114
This subclass is indented under subclass 60. Apparatus
wherein discharging from the weigh chamber is correlated with
feeding.
SEE OR SEARCH THIS CLASS, SUBCLASS:
87 for a weigher in which a translation of a rotary weigh
chamber controls feed.
99 for a feed controller diverting feed between alternating
weigh chambers correlated with a discharge valve.
106 for a weigher in which the actuation of the feed flow
terminator opens a discharge valve or gate.
107 for a weigher in which the closing of the weigh chamber
discharge valve or gate initiates feed.
111 for mechanically interconnected feed and discharge
valves.
Subclass:
115
This subclass is indented under subclass 114. Weigher
wherein the weigh chamber oscillates between a filling
position and a position where the weighed material spills
over the edge of the weigh chamber.
SEE OR SEARCH THIS CLASS, SUBCLASS:
102 for alternating chambers that discharge by tilting.
Subclass:
116
This subclass is indented under subclass 60. Apparatus
relating to the supply of material to the weigh chamber.
SEE OR SEARCH THIS CLASS, SUBCLASS:
64 for control of feed responsive to additional material
presence.
68 for manually initiated feed with weigh chamber responsive
cutoff.
98 for a feed diverter controlling flow to alternating weigh
chambers.
107 for initiation of a feed valve by closing of a discharge
valve.
111 for a feed valve mechanically interconnected with a
weigh chamber discharge valve or gate.
114 for correlated feed and discharge of a weigh chamber.
SEE OR SEARCH CLASS:
222, Dispensing, subclass 55 for a controller that effects
the discharge of a dispenser responsive to weight of
unrestrained material to secure uniformity of discharge from
the dispenser.
Subclass:
117
This subclass is indented under subclass 116. Apparatus
wherein the filling operation is initiated responsive to
application of the weigh chamber to the weigher.
Subclass:
118
This subclass is indented under subclass 116. Apparatus
including means to clamp a bag or other receiver in feed
position.
Subclass:
119
This subclass is indented under subclass 116. Apparatus
including a device advancing material by a continuous
application of force additional to gravity.
Subclass:
120
This subclass is indented under subclass 119. Apparatus with
feed cutoff means.
Subclass:
121
This subclass is indented under subclass 119. Apparatus
operable at different speeds.
Subclass:
122
This subclass is indented under subclass 116. Apparatus in
which the feed control means responds first to a partial load
in the weigh chamber to reduce the feed rate and then to a
full load to cut off the feed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
75 for a flow terminator requiring external reset including
latch means sequentially operated.
121 for a feed conveyor operating at reduced speed near the
end of the feed operation.
Subclass:
123
This subclass is indented under subclass 122. Apparatus
comprising a plurality of distinct controllers.
Subclass:
124
This subclass is indented under the class definition.
Apparatus including lock or seal means which prevents
unauthorized use or adjustment.
Subclass:
125
This subclass is indented under the class definition. An
immobilized weigher rendered operative by the use of a coin
or substitute therefor.
SEE OR SEARCH CLASS:
194, Check-Actuated Control Mechanisms, subclass 21, 35 and
47 for other check-controlled weighing devices. See section
IV of the Class 194 definition.
Subclass:
126
This subclass is indented under the class definition.
Apparatus constructed to be moved relatively from operative
position to form a compact inoperative unit.
Subclass:
127
This subclass is indented under subclass 126. Apparatus with
a container or having structure forming the collapsed weigher
elements into a unit enclosed by an outer covering.
Subclass:
128
This subclass is indented under the class definition.
Apparatus including means for repairing, removing, replacing
or aiding in assembling or removing an element of a weigher
assembly.
Subclass:
129
This subclass is indented under the class definition. Device
in which by reorientation or by rearrangement or omission or
addition of a part, there is obtained a second character or
different kind of device having a different mode of
operation.
Subclass:
130
This subclass is indented under subclass 129. Apparatus in
which a weigher is converted to a hand truck by means
disabling the weigher.
Subclass:
131
This subclass is indented under subclass 129. Apparatus in
which a weigher is converted to a handling load holder such
as a scoop or fork by means disabling the weigher.
Subclass:
132
This subclass is indented under the class definition.
Apparatus with (1) means performing an operation external to
the subject matter of this class (2) combined with a static
construction installation, or (3) specifically related to a
particular geos:graphic feature, wherein there is included
only enough structure foreign to this class to associate it
with the apparatus.
Subclass:
133
This subclass is indented under subclass 132. Apparatus in
which a weigher part is arranged relative to the earth.
Subclass:
134
This subclass is indented under subclass 133. Apparatus
wherein the weigher part is installed in a cavity in the
earth.
Subclass:
135
This subclass is indented under subclass 134. Apparatus with
means between movable weigher elements and the pit enclosure
for preventing the entrance of undesirable material into the
pit.
Subclass:
136
This subclass is indented under subclass 132. Apparatus in
which the weigher is structurally related to vehicular load
carrier.
Subclass:
137
This subclass is indented under subclass 136. Apparatus
wherein a vehicle load is indicated by means responsive to
the yielding of the vehicle running gear springs.
Subclass:
138
This subclass is indented under subclass 137. Apparatus
wherein the yield indicating means may be disconnected from
the running gear.
Subclass:
139
This subclass is indented under subclass 136. Apparatus in
which the load carrying section of the vehicle is supported
from frame structure by weight responsive weigher elements in
such a manner that release or disconnection of such elements
will transfer such section onto the frame.
Subclass:
140
This subclass is indented under subclass 136. Apparatus
provided with handle means for propulsion by an attendant.
SEE OR SEARCH THIS CLASS, SUBCLASS:
130 for a weigher convertible to a hand truck by the locking
of the weight responsive elements.
Subclass:
141
This subclass is indented under subclass 136. Apparatus in
which the weigher is of the hydraulic type.
Subclass:
142
This subclass is indented under subclass 132. Apparatus in
which the weigher is installed in or on a part of a
building.
Subclass:
143
This subclass is indented under subclass 132. Apparatus in
which the weighing means is a part of a refrigerator.
Subclass:
144
This subclass is indented under subclass 132. Apparatus in
which the weigher is installed in an article of furniture or
in a room fixture or fitting.
Subclass:
145
This subclass is indented under the class definition.
Apparatus including structure which transports a load
relative to a load holder.
SEE OR SEARCH THIS CLASS, SUBCLASS:
52 for the coordinated filling and conveying of successive
receivers.
62 for a weigh chamber movable to a remote discharge
station.
119 for a weigh chamber responsive conveyor feeding the
weigh chamber.
SEE OR SEARCH CLASS:
198, Conveyors: Power-Driven, subclass 959 for a conveyor
having a weighing feature wherein there is some moving of the
material besides that necessary or incidental to the weighing
operation.
406, Conveyors: Fluid Current, 23 and 32+ for a fluid
current conveyor including a weighing feature wherein there
is some movement of the material besides that necessary or
incidental to the weighing operation.
414, Material or Article Handling, subclass 21 for a
material handling device including a weighing feature wherein
there is some moving of the material besides that necessary
or incidental to the weighing operation.
Subclass:
146
This subclass is indented under subclass 145. Apparatus
comprising a unitary, portable, base supported weigher having
structure by which the load holder may be moved upwardly to
engage and lift the load.
Subclass:
147
This subclass is indented under subclass 145. Apparatus
including means by which a suspended weighing device lifts
the load.
SEE OR SEARCH CLASS:
212, Traversing Hoists, subclass 283 for a traversing hoist
in combination with a weighing means which accomplishes more
than the mere lifting and weighing of the load.
Subclass:
148
This subclass is indented under subclass 145. Apparatus
including a unitary, portable material handling weigher
having means by which it is manually moved as a whole in
loading or unloading the load holder.
SEE OR SEARCH THIS CLASS, SUBCLASS:
131 for a hand manipulatable device convertible to a weigher
by the release of means immobilizing the weigher.
Subclass:
149
This subclass is indented under subclass 148. Apparatus
wherein the device is a container such as a bucket or scoop.
Subclass:
150
This subclass is indented under the class definition.
Apparatus having mechanism by which the support of the beam
of an equal arm weigher is transferred from the pivot to a
nonweighing holder.
Subclass:
151
This subclass is indented under the class definition.
Apparatus having mechanism by which the support of the load
holder is transferred from the transmission mechanism to a
nonweighing support.
Subclass:
152
This subclass is indented under subclass 151. Apparatus
wherein the transfer mechanism includes elements of the load
holder transmission.
Subclass:
153
This subclass is indented under subclass 152. Apparatus
wherein the transfer is accomplished by means effecting the
disconnection of transmission elements of the load holder.
Subclass:
154
This subclass is indented under the class definition.
Apparatus securing a load responsive weighing element against
motion.
SEE OR SEARCH THIS CLASS, SUBCLASS:
124 for a weigher having a lock or seal.
125 for a check released immobilized weigher.
130 for a weigher convertible to a hand truck by the locking
of the weight responsive elements.
131 for a hand manipulated load pickup device with means
immobilizing the weight responsive elements.
Subclass:
155
This subclass is indented under subclass 154. Apparatus
including means to hold bearing elements from engagement.
SEE OR SEARCH THIS CLASS, SUBCLASS:
150 for the separation of the bearing parts of an equal arm
type weigher.
151 for structure transferring the weight of a load holder
from the weigher bearings.
Subclass:
156
This subclass is indented under subclass 154. Apparatus
wherein the holding device engages the load responsive
element acting between the load holder and the weight
indicating means.
Subclass:
157
This subclass is indented under subclass 154. Apparatus
including structure for engaging and preventing movement of
the beam of a beam type weigher.
Subclass:
158
This subclass is indented under subclass 157. Apparatus
including a plurality of counterweight beams each provided
with its own holding means.
Subclass:
159
This subclass is indented under subclass 154. Apparatus
wherein the holding device is located at the reading
structure.
Subclass:
160
This subclass is indented under the class definition.
Apparatus engaging and holding open the mouth of a sack.
SEE OR SEARCH THIS CLASS, SUBCLASS:
118 for a sack retainer with weight responsive material feed
control.
Subclass:
161
This subclass is indented under the class definition.
Apparatus including structure upon which the load may be
moved to or from its supported position upon the weigher.
SEE OR SEARCH THIS CLASS, SUBCLASS:
59 for a weigher that discharges to a receiver.
Subclass:
162
This subclass is indented under subclass 161. Apparatus
including an inclined trough.
Subclass:
163
This subclass is indented under subclass 161. Apparatus
including a rail.
SEE OR SEARCH THIS CLASS, SUBCLASS:
134 for a weigher installed in a pit.
Subclass:
164
This subclass is indented under the class definition.
Apparatus in which the change in position of a first weigher
element between balanced unloaded and balanced loaded
position is a measure of the load and having (1) an
additional element for adjusting the balance or zeroizing the
weigher in its initial position or (2) means for setting
weigher structure to coordinate the change of position of the
first element with the load value.
SEE OR SEARCH THIS CLASS, SUBCLASS:
25.11 for a computing type of preset.
Subclass:
165
This subclass is indented under subclass 164. Apparatus
responsive to the weight or presence of a load receiver.
Subclass:
166
This subclass is indented under subclass 164. Apparatus with
a dial and pointer and including a second pointer adjustably
connected to the first pointer.
Subclass:
167
This subclass is indented under subclass 164. Apparatus in
which the preset is of the fixed indicator element along
which the weight indicative element is moved during the
weighing operation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
41 for similar structure in which the fixed indicator
element is a tabular type computer chart.
Subclass:
168
This subclass is indented under subclass 164. Apparatus
wherein the fixed end of a load offsetting spring is
adjustable.
Subclass:
169
This subclass is indented under subclass 168. Apparatus
including means for adjusting the length of the elastic
section of the spring.
Subclass:
170
This subclass is indented under subclass 168. Apparatus in
which the fixed end of the spring is mounted on an adjustable
lever.
Subclass:
171
This subclass is indented under subclass 164. Apparatus
immediately associated with a beam which is substantially
level in both the balanced loaded and balanced unloaded
conditions.
Subclass:
172
This subclass is indented under subclass 171. Apparatus
wherein the preset is of the load arm length of the beam.
Subclass:
173
This subclass is indented under subclass 164. Apparatus
wherein the preset is of the indicator or its immediate
drive.
SEE OR SEARCH THIS CLASS, SUBCLASS:
32 for a computing type indicator having an adjustable
drive.
Subclass:
174
This subclass is indented under subclass 173. Apparatus
wherein the presetting is accomplished through means
connecting an indicator rack to its drive.
Subclass:
175
This subclass is indented under subclass 164. Apparatus in
which the presetting means is an element of or is carried by
the structure transmitting force from the load holder.
Subclass:
176
This subclass is indented under subclass 175. Apparatus
wherein the presetting element is a weight.
Subclass:
177
This subclass is indented under the class definition.
Apparatus including a light source.
Subclass:
178
This subclass is indented under subclass 177. Apparatus
wherein light is directed through or by a movable part of the
weigher to give a reading.
SEE OR SEARCH CLASS:
353, Optics: Image Projectors, 40 for an image projector in
combination with a nominally claimed weighing scale.
Subclass:
179
This subclass is indented under the class definition.
Apparatus including a protective covering member immediately
associated with a bearing.
Subclass:
180
This subclass is indented under the class definition.
Apparatus comprising an external casing having an opening
protected by a seal, shield or removable section.
SEE OR SEARCH THIS CLASS, SUBCLASS:
127 for a carrying case for a collapsible weigher.
135 for a guard or shield for platform openings of a pit
type weigher.
Subclass:
181
This subclass is indented under subclass 180. Apparatus in
which the closure is transparent.
Subclass:
182
This subclass is indented under subclass 181. Apparatus in
which the transparent section includes a magnification lens.
Subclass:
183
This subclass is indented under the class definition.
Apparatus having means for lubricating the weigher.
Subclass:
184
This subclass is indented under the class definition.
Apparatus having means to damp mechanism or protect it from
shock.
SEE OR SEARCH THIS CLASS, SUBCLASS:
139 for a vehicle mounted weigher protected from shock by
immobilizing or relieving means.
150 for an equal arm type weigher protected from shock by
beam transfer mechanism.
195 for an equal arm weigher inherently damped by spring
means.
SEE OR SEARCH CLASS:
188, Brakes, 297 for a fluid-resistance shock absorber or
damper of general utility.
Subclass:
185
This subclass is indented under subclass 184. Apparatus
wherein damping is accomplished by an electrical or magnetic
field.
Subclass:
186
This subclass is indented under subclass 184. Apparatus
directly associated with the indicator or its immediate
drive.
SEE OR SEARCH THIS CLASS, SUBCLASS:
159 for means holding an indicator against motion.
SEE OR SEARCH CLASS:
73, Measuring and Testing, subclass 430 for instrument
mechanism damping means of general application.
Subclass:
187
This subclass is indented under subclass 184. Apparatus
which acts on an element of the load force transmitting
linkage connected to the load holder.
SEE OR SEARCH THIS CLASS, SUBCLASS:
156 for a means at the load holder transmission for holding
it against motion.
Subclass:
188
This subclass is indented under subclass 187. Apparatus
wherein the element is a rocking lever.
Subclass:
189
This subclass is indented under subclass 184. Apparatus
mounted for cooperation with the load holder.
SEE OR SEARCH THIS CLASS, SUBCLASS:
151 for means transferring a load holder to a nonweighing
support.
Subclass:
190
This subclass is indented under the class definition.
Apparatus comprising a beam balance with the fulcrum thereof
located at the midpoint between connections supporting a load
and a counterweight holder.
Subclass:
191
This subclass is indented under subclass 190. Apparatus with
means for handling a counterweight.
Subclass:
192
This subclass is indented under subclass 191. Apparatus
wherein the counterweight is a flexible chain.
Subclass:
193
This subclass is indented under subclass 190. Apparatus with
a structure rising above the beam to house a weight
indicator.
Subclass:
194
This subclass is indented under subclass 190. Apparatus
having means imposing a position restoring force to the beam
proportional to the deflection of the beam from its position
of balance.
Subclass:
195
This subclass is indented under subclass 194. Apparatus
wherein the position restoring force is supplied by a
spring.
Subclass:
196
This subclass is indented under subclass 195. Apparatus
wherein the spring serves as a bearing.
Subclass:
197
This subclass is indented under subclass 190. Apparatus
having structure supporting a slidable poise.
Subclass:
198
This subclass is indented under subclass 190. Apparatus
having linkage maintaining the attitude of the load or
counterweight holder.
Subclass:
199
This subclass is indented under the class definition.
Apparatus having a plurality of load holders operative with a
common load evaluator.
Subclass:
200
This subclass is indented under subclass 199. Apparatus
operating to compare the load on one holder to that on
another.
SEE OR SEARCH THIS CLASS, SUBCLASS:
30 for a computing type weigher having an ancillary load
holder effecting the response of the weigher to the load on
the main load holder.
190 for an equal arm type weigher.
Subclass:
201
This subclass is indented under the class definition.
Apparatus in which weigher elements assume a balanced
position or condition indicative of load value in response to
the application of the load.
Subclass:
202
This subclass is indented under subclass 201. Apparatus
wherein the indication is of both the valve and direction of
unbalance of an even balance type weigher.
SEE OR SEARCH THIS CLASS, SUBCLASS:
194 for an equal arm type of weigher biased toward balance.
Subclass:
203
This subclass is indented under subclass 201. Apparatus
having an additional load force counterbalancing means
combined with the self positioning indicating elements.
SEE OR SEARCH THIS CLASS, SUBCLASS:
194 for an equal arm type weigher with a bias toward
balance.
200 for a load comparing weigher with plural distinct load
holders.
Subclass:
204
This subclass is indented under subclass 203. Apparatus
responsive to a movement of the self positioning offsetting
means.
Subclass:
205
This subclass is indented under subclass 203. Apparatus with
remote reading structure interconnected with supplemental
means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
49 for a weigher with a signal indicating the use of a
supplemental counterweight.
Subclass:
206
This subclass is indented under subclass 203. Apparatus
wherein the means is a slidably mounted weight.
SEE OR SEARCH THIS CLASS, SUBCLASS:
176 for similar structure zeroizing the weigher.
Subclass:
207
This subclass is indented under subclass 201. Apparatus
which employs the lifting effect of a fluid on a float.
Subclass:
208
This subclass is indented under subclass 201. Apparatus
wherein fluid pressure proportional to weight is communicated
to a device responsive to pressure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
141 for a hydraulic weigher installed on a vehicle.
Subclass:
209
This subclass is indented under subclass 208. Apparatus
wherein the pressure is developed by the action of the load
holder on a plurality of interconnected expansible chambers.
Subclass:
210
This subclass is indented under subclass 201. Apparatus
wherein an electric current is generated or modified and the
value of such current is taken as the weight value.
SEE OR SEARCH CLASS:
73, Measuring and Testing, 763 for a stress or strain
testing device of the current generating or modifying type.
200, Electricity: Circuit Makers and Breakers, subclass 85
for a weight controlled switch.
324, Electricity: Measuring and Testing, subclass 71.1 for
the determination of nonelectrical properties in general by
measuring electrical properties.
338, Electrical Resistors, 2 for a strain gauge type
electrical resistor and subclass 47 for a resistor responsive
to force.
Subclass:
211
This subclass is indented under subclass 210. Apparatus
wherein the strain of a deformable member is measured.
Subclass:
212
This subclass is indented under subclass 201. Apparatus
including means responsive to a movement of a weigher element
under load actuating a device tending to restore the element
to its original position.
Subclass:
213
This subclass is indented under subclass 212. Apparatus
wherein the balance of a beam is brought about by a poise
slidable thereon and actuated by electrical means responsive
to the deflection of the beam.
Subclass:
214
This subclass is indented under subclass 213. Apparatus
wherein an indicator is correlated with the poise.
Subclass:
215
This subclass is indented under subclass 213. Apparatus
wherein the speed of the poise in its movement along the beam
is varied.
Subclass:
216
This subclass is indented under subclass 201. Apparatus
wherein a suspended poise is arranged to swing in proportion
to the load applied.
SEE OR SEARCH CLASS:
73, Measuring and Testing, subclass 836 and 862.381+ for a
push or pull force measuring device of the pendulum type.
Subclass:
217
This subclass is indented under subclass 216. Apparatus
including two pendulums mounted on coaxial or parallel pivots
and which swing in opposite directions in counter-balancing
the load.
Subclass:
218
This subclass is indented under subclass 217. Apparatus in
which the pivots translate as the poises swing.
Subclass:
219
This subclass is indented under subclass 217. Apparatus
wherein the swing of the poises is produced by pull through a
flexible member.
Subclass:
220
This subclass is indented under subclass 216. Apparatus
including an independently mounted indicating element driven
by the pendulum.
SEE OR SEARCH THIS CLASS, SUBCLASS:
13 for a recording type indicator set by a weigher.
36 for a tabular type indicator chart driven by a weigher.
Subclass:
221
This subclass is indented under subclass 220. Apparatus
including a flexible pull member.
Subclass:
222
This subclass is indented under subclass 220. Apparatus
including a gear.
Subclass:
223
This subclass is indented under subclass 222. Apparatus
including a straight rack and a pinion.
Subclass:
224
This subclass is indented under subclass 216. Apparatus
having a pointer fixed to the swingable poise.
Subclass:
225
This subclass is indented under subclass 201. Apparatus
having an elastic body arranged to yield in proportion to the
load applied.
SEE OR SEARCH THIS CLASS, SUBCLASS:
137 for vehicle running gear springs used for weighing.
168 for a preset means for a spring support.
195 for an equal arm weigher biased toward balance by a
spring.
Subclass:
226
This subclass is indented under subclass 225. Apparatus
including means to compensate for temperature changes.
Subclass:
227
This subclass is indented under subclass 226. Apparatus
effective to change the distance between the pivot points of
a lever located in the force train between a load holder and
a spring.
Subclass:
228
This subclass is indented under subclass 226. Apparatus
acting on or built into the spring.
Subclass:
229
This subclass is indented under subclass 225. Apparatus
comprising a projecting elastic member supported at one end
and loaded at the other.
Subclass:
230
This subclass is indented under subclass 225. Apparatus
including means for delivering a force from the load holder
to the spring proportional to, but changed in direction or
intensity from, the direct gravity force of the load.
Subclass:
231
This subclass is indented under subclass 225. Apparatus
wherein an external casing supports one end of the spring and
carries structure limiting tilting movement of a load holder
acting on the other end of the spring.
Subclass:
232
This subclass is indented under subclass 225. Apparatus
comprising a helical coil spring within a casing having a
constant cross sectional area in its spring enclosing section
corresponding to that of the spring.
Subclass:
233
This subclass is indented under subclass 232. Apparatus
wherein the casing has a longitudinal slit within which a
weight indicator moves in response to load.
Subclass:
234
This subclass is indented under subclass 225. Apparatus
including a reading device moved by the deformation of the
spring an amount greater than, but proportional to, such
deformation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
211 for a weigher in which the deformation is measured
electrically.
Subclass:
235
This subclass is indented under subclass 201. Apparatus
relating to counterweight type.
Subclass:
236
This subclass is indented under subclass 235. Apparatus
wherein the imposition of the load shifts the fulcrum point
of a balancing load and counterweight to a position at which
the load and counterweight moments are equal.
Subclass:
237
This subclass is indented under subclass 235. Apparatus
wherein weight units are progressively lifted from a
support.
SEE OR SEARCH THIS CLASS, SUBCLASS:
204 for the pickup of capacity changing weights of a self
balancing weigher.
Subclass:
238
This subclass is indented under the class definition.
Apparatus with an enclosing member, fixture, or attachment to
protect the device or part thereof from soil, contamination,
injury, theft or loss; or to protect persons or things from
injury through contact with the weigher or part thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
127 for a collapsible foldable knockdown weigher with
carrying case.
179 for a bearing shield.
180 for a casing closure or shield.
231 for a load holder steadying structure and spring carried
by casing.
232 for a coil spring in a sleeve casing.
Subclass:
239
This subclass is indented under subclass 238. Apparatus
wherein the casing forms a bottom structure enclosing and
supporting weigher elements.
Subclass:
240
This subclass is indented under subclass 239. Apparatus with
an upright support carried by the bottom structure.
Subclass:
241
This subclass is indented under subclass 240. Apparatus with
an additional housing supported on the standard.
Subclass:
242
This subclass is indented under subclass 241. Apparatus
wherein the housing is cylindrical and has an external
opening in the cylindrical wall.
SEE OR SEARCH THIS CLASS, SUBCLASS:
181 for a closure or shield for a casing opening comprising
a transparent section or lens.
Subclass:
243
This subclass is indented under subclass 239. Apparatus
wherein a load holder is supported by a member projecting
through a wall of the housing.
Subclass:
244
This subclass is indented under the class definition.
Apparatus provided with a support for an entire weighing
assembly.
SEE OR SEARCH THIS CLASS, SUBCLASS:
131 for a hand manipulatable load pickup device convertible
to a weigher.
148 for a hand manipulated weigher.
Subclass:
245
This subclass is indented under the class definition.
Apparatus combined with a device or structure having (1) a
function other than weighing or (2) serving to perfect such
apparatus for its intended primary purpose.
SEE OR SEARCH CLASS:
40, Card, Picture, or Sign Exhibiting, subclass 458 for a
changeable exhibitor operated or controlled by a weigher.
209, Classifying, Separating, and Assorting Solids, subclass
239 for a sifting means associated with a weigher.
356, Optics: Measuring and Testing, subclass 54 for egg
candlers combined with weighing scales having no novel
structure.
Subclass:
246
This subclass is indented under the class definition.
Apparatus comprising a lever and fulcrum upon which load
force and a counterweight means may be directly balanced
against each other.
SEE OR SEARCH THIS CLASS, SUBCLASS:
44 for a beam computing table.
171 for a beam with presetting means.
190 for a beam weigher of the equal arm type.
202 for a balancing beam type weigher with an over or under
load offsetting means.
235 for a self balancing weigher of the counterweight type.
Subclass:
247
This subclass is indented under subclass 246. Apparatus
wherein one counterweight is adjustable along a beam slide
and another lighter counterweight is adjustable along another
slide.
Subclass:
248
This subclass is indented under subclass 246. Apparatus
having plural counterweights with related structure to place
one or more of them on the beam from a stored position.
SEE OR SEARCH THIS CLASS, SUBCLASS:
191 for counterweight manipulating means installed on an
equal arm type weigher.
204 for the supply or removal of a capacity changing weight
on a self positioning weigher.
216 for self positioning counterweights of the pendulum
type.
235 for other self positioning counterweights.
Subclass:
249
This subclass is indented under subclass 246. Apparatus
including transmission between a slidable poise and other
structure interconnecting them for actuation of one by the
other.
SEE OR SEARCH THIS CLASS, SUBCLASS:
35 for a computing table driven by poise movement.
213 for a poise actuated in response to beam unbalance.
Subclass:
250
This subclass is indented under subclass 246. Apparatus with
means to retain a counterweight in set position with respect
to the beam.
SEE OR SEARCH THIS CLASS, SUBCLASS:
154 for means holding a load driven element against motion.
Subclass:
251
This subclass is indented under subclass 246. Apparatus
wherein the distance along the beam between the fulcrum and
the load connection may be changed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
172 for a beam having adjusting preset means for the load
arm length.
236 for a counterweight type device that balances itself by
shifting the fulcrum in response to load.
Subclass:
252
This subclass is indented under subclass 246. Apparatus in
which more than one counterweight may be used to balance the
load.
SEE OR SEARCH THIS CLASS, SUBCLASS:
27 for a computing type weigher or using plural
counterweights.
158 for plural counterweights on separately pivoted beams
having individual beam latches.
171 for a preset beam type weigher.
247 for coarse and fine sliders.
Subclass:
253
This subclass is indented under the class definition. Device
that sustains the load.
SEE OR SEARCH THIS CLASS, SUBCLASS:
60 for a load holder with material flow control means.
151 for a load holder having both a weighing and nonweighing
support.
154 for means for holding a load holder against motion.
160 for a load holder comprising a sack support.
161 for a guide positioning a load on a load holder.
189 for a load holder with shock absorbing means.
Subclass:
254
This subclass is indented under subclass 253. Apparatus
wherein the load sustaining means includes fluid transmission
structure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
208 for a fluid transmission connected with a pressure
gauge.
SEE OR SEARCH CLASS:
60, Power Plants, 325 for a fluid transmission, per se.
Subclass:
255
This subclass is indented under subclass 253. Apparatus
limiting horizontal or tilting motion of the load holder.
SEE OR SEARCH THIS CLASS, SUBCLASS:
198 for a check link structure in an equal arm type
weigher.
231 for a load holder steadying structure combined with a
casing mounted spring.
Subclass:
256
This subclass is indented under subclass 253. Apparatus
including separate levers pivotally interconnected to
transmit force to each other or to a separate transmission
element.
Subclass:
257
This subclass is indented under subclass 256. Apparatus
wherein an extension for a plurality of load holder carrying
levers beyond their interconnection serves to deliver a
single combined force from the load.
Subclass:
258
This subclass is indented under subclass 256. Apparatus
wherein two load holder carrying levers load a separate force
delivering lever.
Subclass:
259
This subclass is indented under subclass 258. Apparatus
wherein the separate force delivering lever applies the force
to an additional lever.
Subclass:
260
This subclass is indented under subclass 253. Apparatus
including means for adjusting a connection within
transmission or between the load holder and the
transmission.
SEE OR SEARCH THIS CLASS, SUBCLASS:
175 for a presetting adjustment of a transmission that
prepares the weigher for a load evaluation operation.
251 for a load evaluating adjustment of the load arm
connection.
Subclass:
261
This subclass is indented under subclass 253. Apparatus
wherein a lever bearing is so mounted that it provides for
movement of the bearing additional to its rotation.
SEE OR SEARCH CLASS:
384, Bearings, subclass 2 for a beam or lever bearing, per
se.
Subclass:
262
This subclass is indented under subclass 253. Subject matter
comprising a load holder for a portable or small counter type
scale.
Subclass:
263
This subclass is indented under subclass 262. Subject matter
relating to means to suspend the load holder.
Subclass:
264
This subclass is indented under the class definition.
Subject matter not otherwise classifiable.
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Last Modified: 6 October 2000