Manual of U.S. Patent Classification
as of June 30, 2000

Class
241
SOLID MATERIAL COMMINUTION OR DISINTEGRATION

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Subclass		Title
ClassTitle		===> SOLID MATERIAL COMMINUTION OR DISINTEGRATION
		PROCESSES
1		. By operations other than force of contact with solid surface
2		. With cell rupturing or liberation of contained liquids
3		. With solidifying, consolidating or shaping
4		. Laminated or fibrous mineral material
5		. By utilizing kinetic energy of projected or suspended material
6		. Cereal and other seeds or seed parts
7		. . With operation to detach or loosen adhering hull portion
8		. . With application of fluid to, or heating or cooling of, whole seed
9		. . With separation or classification
10		. . . With recombination or recirculation of separated parts
11		. . . Successive alternate separation and comminution steps
12		. . With application of fluid
13		. . Plural successive comminuting operations
14		. Selective or differential comminution of mixed or bonded solids
15		. With application of fluid or lubricant material
16		. . To aid dispersion or prevent chemical reaction, deliquescence, agglomeration or frothing
17		. . With additional heating or cooling
18		. . Gas or vapor
19		. . . To classify or separate material
20		. . Liquids added to classify or separate material
21		. . Liquids added to make pulp or suspension
22		. Application of solids to material
23		. With heating or cooling of material
24.1		. With classifying or separating of material
24.11		. . Including separating liquid from solid
24.12		. . Of plural, diverse materials
24.13		. . . Including metal
24.14		. . . . Magnetically , electrostatically, or by use of eddy currents
24.15		. . . . Sorting by use of sieve
24.16		. . . Including food
24.17		. . . Including rubber
24.18		. . . Including plastic
24.19		. . . Including fibrous material, e.g., paper
24.2		. . . . Wood or bark
24.21		. . . . Sorting by use of sieve
24.22		. . . Including glass
24.23		. . . Including clay
24.24		. . . Including coal
24.25		. . Of metal
24.26		. . Of food
24.27		. . Of rubber
24.28		. . Of plastic
24.29		. . Of fibrous material
24.3		. . Of glass
24.31		. . Of coal
25		. Combined
26		. By contact between relatively moving portions of material
27		. Subjecting material to impact by moving comminuting surface
28		. Wood and similar natural-fibrous vegetable material
29		. Plural successive comminuting operations
30		. Miscellaneous
		APPARATUS
31		. With explosion preventing or relieving means
32		. With overload release means
32.5		. With sink drain stopper interlock
33		. With automatic control
34		. . Of feed of material
35		. . . By speed or torque of comminutor drive
36		. . Of comminutor drive
37		. . Of comminuting surface contiguity
37.5		. With means to protect operator from injury
38		. Including means applying fluid to material
39		. . Fluid comminutor type
40		. . . Stationary abutment impact only
41		. . Plural fluid applying means on same material
42		. . . With plural comminuting zones
43		. . With plural comminuting zones
44		. . . Parallel material flow type
45		. . . Horizontal fluid current past successive comminuting zone
46.01		. . Liquid submerged comminuting zone
46.012		. . . Combined with dishwasher
46.013		. . . Under-sink garbage disposal
46.014		. . . . Having particular housing structure
46.015		. . . . . Provision to mount to sink
46.016		. . . . . Inlet provision
46.017		. . . Striker having vertical axis
46.02		. . . With material feed means
46.04		. . . Including adjustable component
46.06		. . . By cooperating members
46.08		. . . . Including centrifugally driven striking member (i.e., hammer mill)
46.11		. . . . Including impeller-type agitating means
46.13		. . . . Reciprocating or oscillating
46.15		. . . . Including roller or roller-like member (e.g., ball, cylinder, etc.)
46.17		. . . By rotating impeller-type agitating means
47		. . Gas swept comminuting zone
48		. . . With recirculation of gas to comminuting zone
49		. . . Gas borne material applied to screen
50		. . . . Elevating fan on comminutor shaft
51		. . . . Screen forms part of comminuting surface
52		. . . With return of removed oversize material to comminuting zone
53		. . . . Suction applied above and coaxially of comminuting member or members
54		. . . Horizontal gas current though rotary drum
55		. . . Comminuting element or comminuting element attached, gas moving means
56		. . . Gas moving means and rotary comminuting element on same shaft
57		. . . Local application within comminuting zone
58		. . . Suction applied above and coaxially of comminuting member or members
59		. . . With non-automatic gas flow control means
60		. . Applied subsequently to comminuting
61		. . . With recirculation of material to comminuting zone
62		. . Applied prior to comminuting
63		. With simultaneous control of interrelated feed, drive and/or surface positioning means
64		. . Control of feed and surface positioning means only
65		. With temperature modification of material
66		. . Temperature modification of comminuting member
67		. . . Thermal fluid within or carried by moving comminuting member
68		. With separation or classification of material
69		. . Comminuted material discharge permitting screen
70		. . . Screen partition or end wall in rotary drum
71		. . . . Plural partitions or end walls
72		. . . . . Series flow of material
73		. . . Arcuate screen concentric with rotary comminuting member
74		. . . Annular screen above or surrounding comminuting zone
75		. . Parallel material flow through plural comminuting zones and/or separators
76		. . Series material flow only through plural alternate comminuting zones and separators
77		. . Comminuting zone interposed between plural separators
78		. . Separator interposed between plural comminuting zones
79		. . Separator in discharge from comminuting zone
79.1		. . . By adhesion, electric field force, specific gravity, or chemical change
79.2		. . . Rotating comminutor combined with a sifting device
79.3		. . . . Sifting device rotates
80		. . . Oversize return to comminuting zone
81		. . Separator in feed to comminuting zone
82		. Projected material trap chamber
82.1		. Helical pusher inside tube moves material toward perforated member
82.2		. . With means to vary particle coarseness
82.3		. . Wherein the perforated member is other than flat
82.4		. . With series of axially aligned rotary knife blades
82.5		. . With rotary knife before member
82.6		. . . Tube having configured interior surface
82.7		. . With rotary knife after member
83		. Comminuting surface provided with openings to permit discharge of material
84		. . Cooperates with moving comminuting surface or member
84.1		. . . Loose cylinder or sphere
84.2		. . . Travelling roll surface or member
84.3		. . . Oscillating surface or member
84.4		. . . Rectilinearly reciprocating surface or member cooperates with rotary comminuting member
85		. . . Rotary comminuting surface having openings cooperates with moving surface
86		. . . Cooperates with rotary comminuting member
86.1		. . . . Material thrown against perforated surface by centrifugal force
86.2		. . . . Comminutor mounted for movement relative to rotating support member
87		. . . . Screen or screen elements move during comminution
87.1		. . . . Offset fingers on stationary surface and on rotary member
88		. . . . Provided with special comminuting surfaces or characteristics
88.1		. . . . . Perforation bounded by sharp edge
88.2		. . . . . And auxiliary imperforate surface (e.g., breakerplate)
88.3		. . . . . . Three or more serially acting alternate perforate and imperforate surfaces
88.4		. . . . . Spaced parallel bars (e.g., "grate")
89		. . . . Hinged or dumping type screen or support
89.1		. . . . With means to change or adjust comminuting position of screen or screen element
89.2		. . . . Removable or interchangeable screen or screen portion
89.3		. . . . Stationary concave surface
89.4		. . . . Stationary flat circular surface
91		. . Rotating comminuting surface having openings
92		. . . Radial comminuting face
93		. . . Outer peripheral comminuting face
94		. . Reciprocal comminuting surface having openings
95		. . Stationary comminuting surface having openings
96		. Oversize rejection by comminuting surface
97		. With recirculation of material to comminuting zone
98		. With agitator
99		. Bottle breakers
100		. With independent removable or detachable material receiver or receiver engaging means
101.01		. Combined or convertible
101.1		. . Convertible to non-comminuting apparatus
101.2		. . Combined with non-comminuting means
101.3		. . . With means to indicate condition of apparatus, work or product
101.4		. . . Prior shaping means (e.g., quartering)
101.5		. . . With material handling other than to or from comminuting zone
101.6		. . . . And means to mix plural materials
101.71		. . . With support vehicle
101.72		. . . . Having extendable, comminutor-supporting arm
101.73		. . . . . Reciprocating surface-type comminutor
101.74		. . . . Self-propelled vehicle
101.741		. . . . . Refuse support vehicle
101.742		. . . . . Self-loading from ground
101.75		. . . . Detachable from propelling vehicle
101.76		. . . . . From rear
101.761		. . . . . . Tub grinder
101.762		. . . . . . Operated while propelled
101.763		. . . . . . . Self-loading from ground
101.77		. . . . . From front
101.78		. . . . Manually propelled
101.8		. . . With mixer
102		. Comminuting surface deformable by contact with material
103		. Rolls frictionally driven and supported by relatively moving surfaces (e.g., ball chasers)
104		. . With additional diverse type of comminutor
105		. . Plural comminuting zones
106		. . Frictional drive surface on horizontal axis
107		. Plural rotary or oscillatory surfaces cooperate with common surface (e.g., chasing mills)
108		. . With additional diverse type of comminutor
109		. . With material feeding mechanism or control
110		. . Plural surfaces move across common surface
111		. . Outer peripheral contact of common surface by plural surfaces
112		. . . With surface cleaner or scraper
113		. . Plural surface cooperate with each other
114		. . Radial faces of plural rotary surfaces cooperate with common surface
115		. . Plural sets of plural surfaces cooperating with plural common surfaces
116		. . . Coaxial rotors radially arranges on same side or common surface axis
117		. . Common surface moves during comminution
118		. . . With planetary movement of plural surfaces
119		. . . With material moving or discharge means
120		. . . Positively driven plural surfaces
121		. . . Plural surfaces forcible away from common surface
122		. . . . Common surface rotates on horizontal axis
123		. . Planetary movement of plural surfaces
124		. . . With material moving or discharge means
125		. . . Compounded planetary movement
126		. . . Positively driven plural surfaces
127		. . . Forcible away from common surface
128		. . . . Pivotally mounted for forced movement
129		. . . . . Centrifugally urged toward contact
130		. . . . . . With centrifugal force modifying means
131		. . . . Centrifugally urged toward contact
132		. . . . With means in addition to weight of plural surfaces for urging surfaces toward contact
133		. . . . Rotors independently forcible away from common surface
134		. Parallel material flow through plural comminuting zones
135		. . With unitary or interconnected feed mechanisms or controls for plural zones
136		. . . Interconnected means forcing material against moving comminuting surface or surfaces
137		. . All comminuting zones of loose grinding body type
138		. . All comminuting zones of rotary striking member type
139		. . All comminuting zones of cooperating surface type
140		. . . All comminuting zones of compound movement type
141		. . . All comminuting zones of rotary surface type
142		. . . . Circumferential or tangential material flow only
143		. . . . . All cooperating surfaces rotate
144		. . . . . . Rotary surfaces of separate zones coaxial
145		. . . . . . Simultaneous adjusting or positioning of separate surfaces
146		. . . . Axial or radial material flow only
147		. . . All comminuting zones of reciprocating surface type
148		. . . . Oscillating surface
149		. . . . Vertical rectilinear movement
150		. . . . . Annularly mounted moving surfaces
151		. . All comminuting zones of single surface zones
152.1		. Series material flow only through plural comminuting zones
152.2		. . Diverse type comminuting zones
153		. . All comminuting zones of loose grinding body type
154		. . All comminuting zones of rotary striking member type
155		. . All comminuting zones of cooperating surface type
156		. . . All comminuting zones of compound movement type
157		. . . All comminuting zones of rotary surface type
158		. . . . Circumferential or tangential material flow only
159		. . . . . All cooperating surfaces rotate
160		. . . . . One surface of each couple nonrotary
161		. . . . Axial or radial material flow only
162		. . . . . Common axis of rotation
163		. . . . . . Horizontal axis
164		. . . All comminuting zones of reciprocating surface type
165		. . . . Vertical rectilinear movement
165.5		. . All comminuting zones of rotating noncooperating type
166		. With comminuting member cleaner or scraper
167		. . Contacting working surfaces of rotary comminuting member
168		. Hand support comminutor
169		. . Reciprocating cooperating comminuting surfaces
169.1		. . Rotary tool
169.2		. . Masher or pestle
170		. Loose grinding body comminutor (e.g., ball or rod mills)
171		. . With feed and/or discharge
172		. . With independent means moving or guiding the material and/or grinding bodies in receptacle
173		. . . Rotary grinding body pusher (e.g., ball chasers)
174		. . . . Horizontal axis
175		. . Compound movement receptacle
176		. . Rotating receptacle
177		. . . Tiltable axis of rotation
178		. . . Roller supported receptacle
179		. . Receptacle structure
180		. . . With non-axial opening
181		. . . With lifting or distributing at extremity of receptacle
182		. . . With lining
183		. . . . With lifting or distributing characteristics
184		. . Grinding bodies
185.5		. Rotary striking member with feed or discharge conveyor or regulator
185.6		. . Rotary striking member combined with pump
186.1		. . With distinct plural paths to striking member
186.2		. . Feed or discharge regulator
186.3		. . . Including means to alter direction of flow
186.35		. . Endless loop feed or discharge conveyor
186.4		. . Rotating or oscillating feed or discharge conveyor
186.5		. . . Screw feed or discharge conveyor
187		. Rotary striking member with moving cooperating surface or member
188.1		. Rotary striking member with axial or radial flow of material
188.2		. . Radial flow, pin-disc comminutor, overlapping pins on cooperating members
189.1		. Rotary striking member with circumferential or tangential flow
189.2		. . Reversible rotary mill
190		. . . With intermeshing impact members
191		. Rotary striking member, rotor structure
192		. . With striking member adjusting means
193		. . With loosely mounted striking member
194		. . Striking member pivoted to rotor
195		. Rotary striking member or hammer
196		. . Loose ring type
197		. . With attached wear member
198.1		. Cooperating comminuting surfaces (e.g., jaw crusher)
199		. . Batch type (e.g., mortar and pestle)
199.1		. . . With means to move batch container or support
199.2		. . . . Intermittent movement of support interrelated with movement of cutter or knife
199.3		. . . . . Rectilinearly reciprocating knife
199.4		. . . . . Rocking knife
199.5		. . . . Uni-directional movement of support
199.6		. . . . . With means to feed or discharge batch
199.7		. . . . . With revolving tool
199.8		. . . . . With rectilinear reciprocating tool
199.9		. . . Stationary container or support
199.11		. . . . With rectilinear reciprocating tool
199.12		. . . . With rotary tool
200		. . Endless belt type comminuting surface or surfaces
201		. . Compound movement comminuting surface or surfaces
202		. . . With feeding and/or discharging mechanism or control
203		. . . Rotary component
204		. . . . Circumferential or tangential flow of material
205		. . . . Rotating and reciprocating surface
206		. . . . With moving cooperating surface
207		. . . . Gyratory or planetary movement
208		. . . . . Eccentric drive sleeve within gyratory member
209		. . . . . With upper guide or support for gyratory member
210		. . . . . . Unbalanced weight drive
211		. . . . . . Gyratory member yieldinly mounted
212		. . . . . . Upper gyratory drive
213		. . . . . . Bottom shaft adjusting means
214		. . . . . Eccentric shaft gyratory drive
215		. . . . . Eccentric gyratory sleeve below gyratory member
216		. . . . . With gyratory member sealing means
217		. . . Unitary comminuting member and eccentric strap
218		. . . . With moving cooperating surface
219		. . . Comminuting member pivoted to oscillating supporting link
220		. . Rotary surface (or surfaces)
221		. . . Circumferential or tangential flow of material (e.g., roll mills or roll and concave mills)
222		. . . . With material feed and/or discharge mechanism or control
223		. . . . . Endless belt conveyer
224