Class 407 is the residual locus of the device to be attached
to the driven spindle or to the stationary tool post of a machine
intended to shape work by a sharp edge or point cutting that work
to remove a chip therefrom; wherein, there is no relative movement
between the sharp edge or point and the other claimed structure during
cutting.
SCOPE OF THE CLASS
Cutting tools for shaping (as distinguished from subdividing)
generally to be used in a "milling, gear cutting, or planing" machine
or in a lathe, will be found in this class unless specifically provided
for in another class. Included herein is all the structure normally
replaced in changing from a first to a second tool, unless there
is relative movement between part of the normally replaced structure
and the cutting edge.
Metal Working,
subclasses 76.1+ for a file or rasp (a file or rasp is a hard, smoothing
implement having a cutting face sharply ridged to form cutting edges
or teeth); and subclasses 90.01+ for a tool for cutting
or burnishing, wherein burnishing is not done in conjunction with
cutting.
Cutlery, for an implement including a shaping cutting edge
and structure to make that implement capable of being work supported,
hand held, or randomly manipulated.
Turning, for a cutter for cutting rotating work wherein the
cutter may be of this class type, combined with means relative to
which that cutter moves during operation.
Threaded, Headed Fastener,
or Washer Making: Process and Apparatus,
subclass 57 for structure for cutting screw threads other than that
found in Class 408, Cutting by Use of Rotating Axially Moving Tool,
and other than by use of a gear cutting hob found in subclass 24
of this class.
Surgery,
subclasses 79+ for orthopedic cutting instruments, subclass 116
for cutting means for marking animals, subclass 131 for cutting
of skin by dermatotome, subclass 137 for cutting means used in animal
sterilization, 163 for cutting means used in bedeaking or dehorning
animals, and subclasses 167+, for cutting instruments in
general.
SECTION III - GLOSSARY
Terms in the definition of this class followed by
an asterisk (*) will be found to be defined in this section.
Terms frequently appearing will be accompanied by an asterisk only
where the exact meaning of the term is deemed particularly important.
CUTTER
See Tool*.
TOOL
A distinct unitary piece of material or plurality of
unitary pieces of material permanently affixed together having a
sharp edge or point for penetrating work and thereby directly effecting
the operation of this class either by itself or by cooperation with
another tool. A tool may have a plurality of edges or points for
penetrating the work either concurrently, sequentially, or selectively
and is adapted to be separably attached either directly or via a
tool holder* to a machine*.
TOOL HOLDER
A device consisting of a single element or a plurality
of elements having means to removably carry a tool* and adapted
to be separably attached to a machine* for supporting the
tool against gravity and against the reaction of working force.
TOOL SEAT
That part of the tool holder* that is in direct
contact with the tool. The tool seat may be integral with the remainder
of the support of may be separably carried thereby.
MACHINE
An assembly of components adapted to support work and
a tool* and bring them together to perform a shaping operation
by piercing the work with the tool and removing a chip therefrom.
Specifically, a machine for use with the cutter of this class will
be a "milling, gear cutting, or planing" machine
or a lathe.
WORK
Material which is intended to be subjected to an operation
of this class.
WORKPIECE
An object which is intended to be subjected to an operation
of this class.
This subclass is indented under the class definition. Device including means to perform the class type operation; and including
means to be attached to the driven spindle or to the stationary
tool post of a machine intended to perform a work treating operation
not provided for in this class.
Metal Working,
subclasses 90.01+ for a tool for burnishing and cutting, wherein
burnishing can be performed independently of the cutting (a tool for
shaping by cutting and concurrently burnishing is to be found in
this subclass); and subclass 566 for a machine for performing a
cutting operation and another treating operation.
Cutting by Use of Rotating
Axially Moving Tool,
subclasses 199+ for a reamer having a guiding portion which may
burnish, but which has a cutting edge which is necessarily used during
such burnishing.
INCLUDING CHIP BREAKER, GUIDE OR DEFLECTOR DETACHABLE FROM TOOL
AND TOOL HOLDER:
This subclass is indented under the class definition. Device including means to engage and control the movement of portions
of material removed from the work during the shaping operation,
which means (1) may act to cause the removed material to break apart,
(2) may direct the removed portions to move in an intended direction,
or (3) may divert the removed material away from an unintended direction;
wherein the means to engage and control the portions is constructed to
be removable from both the cutter* and the tool holder*.
This subclass is indented under subclass 2. Device wherein the means to engage and control the movement of
portions of material is constructed to be placed in different positions
with respect to the sharp edge of the cutter.
This subclass is indented under subclass 3. Device including active means to force the chip breaking, directing
or diverting means to be repositioned relative to either the cutter
or the tool holder.
This subclass is indented under subclass 2. Device including a tool holder having relatively movable structure
to engage the cutter and apply pressure thereagainst to removably
secure the cutter to the tool holder; wherein the pressure applying structure
includes, as a part thereof, the means to engage and control movement
of portions of material removed during the shaping operation.
This subclass is indented under the class definition. Device including a cutter having the sharp edge thereof movable during
cutting and with little resistance along its longitudinal extent
to thereby present a fresh portion of the sharp edge to cutting
position.
(1)
Note. The cutter of this subclass is usually circular with
a peripheral cutting edge and is rotatable about its central axis,
so that the action on the work is the same as if there was no rotation.
This subclass is indented under the class definition. Device having a cutting edge or point supported for operation such that
upon a predetermined condition, the apparatus will intentionally
allow the cutting edge or point to move away from operational position.
(1)
Note. Since any device will yield upon sufficient overloading,
this subclass is limited to only those devices having specific structure
to allow the yield to take place at a predetermined location according
to the design of the device.
This subclass is indented under subclass 8. Device including means upon occurence of a predetermined condition,
to allow the cutting edge or point to move away from operational
position such that the means flexes within the elastic limit thereof
and such that the means will restore the cutting edge or point to
operational position upon removal of the condition.
(1)
Note. Included herein are patents directed to structure having
a part that flexes and thereby moves relative to another part, an
exception to the general rule is that this class does not include
relatively moving parts.
This subclass is indented under subclass 9. Device including means to vary the amount of force on the cutting
edge or point required to initially move the cutting edge or point
out of operational position, or including means to vary the distance
that the cutting edge or point may move out of operational position.
Cutting by Use of Rotating
Axially Moving Tool,
subclass 56 for cutting of that class combined with application
of lubricating fluid to the work and/or cutting edge of
the tool.
This subclass is indented under the class definition. Device adapted to turn about an axis and including a plurality
of cutting edges positioned peripherally about the axis and being
of progressively greater distance from the axis, such that, as the
device turns about that axis, a first cutting edge makes a cutting
arc, followed by a second cutting edge that makes a cutting arc
or larger radius; to shape work by a series of cutting arcs without
relative movement between the axis about which it turns and the
work.
for an elongated broach that moves along a straight
line with respect to a workpiece and rotates so that the cutting
edges thereof define a helical path.
This subclass is indented under the class definition. Device including a plurality of sequentially acting protuberances on
each of which there is a cutting edge or point, adapted to move
in a straight line with respect to the work so that a first protuberance makes
a shaping cut into that surface of the work and is followed by a
second protuberance which makes a deeper shaping cut into that surface
of the work, so that the actions of sequentially acting protuberances
is cumulative.
(1)
Note. A rod-like cutter which moves along the axis thereof
is considered to move in a straight line even if the cutter rotates
to cut a helical groove.
(2)
Note. The "protuberance" of this subclass
may be blade-like extending across the lateral extent of the tool
holder, may be ring-like extending entirely about the tool holder,
or may be a single tooth, etc.
This subclass is indented under subclass 13. Device including a central opening through which work is intended
to pass during shaping thereof, and into which projects the sequentially
acting cutting protuberances.
This subclass is indented under subclass 13. Device wherein the cutter is detachable from the tool holder and
wherein the tool holder includes a pocket specifically intended
to receive the cutter.
This subclass is indented under subclass 15. Device including a cutter comprising a ring-like member adapted
to cooperatively fit about a rod-like tool holder during operation
thereof.
This subclass is indented under subclass 15. Device including a cutter having only one protuberance to perform
a shaping operation and including another cutter.
(1)
Note. Included herein is a cutter including a single tooth
even though that tooth may be serrated so that a first tooth-like portion
engages the work before another tooth-like portion, provided that
all portions of the tooth cooperate to perform as a single tooth,
once full penetration into the work has been achieved.
This subclass is indented under subclass 13. Device including a first plurality of cutting protuberances for
engaging the work in a first manner and including a second plurality
of cutting protuberances for sequentially engaging the work in a
second manner.
(1)
Note. Included herein is a broach including "roughing
teeth" and "finishing teeth", as well
as a broach with teeth for cutting progressively deeper into work
followed by teeth for cutting a progressively wider groove.
This subclass is indented under subclass 13. Device wherein a first protuberance is to cut a groove of a first
lateral dimension, and a second protuberance intended to follow
the path of the first protuberance is to cut that groove to a greater
lateral dimension.
This subclass is indented under the class definition. Device particularly adapted to form an element on a body, which element
is intended to intermesh with a similar element on another body,
whereby motive force may be transmitted from one of the bodies to
the other.
(1)
Note. A gear pump inner rotor is considered to transmit force
to the outer rotor.
This subclass is indented under subclass 20. Device wherein the body on which the intermeshing element is being formed
is adapted to turn about an axis; wherein the intermeshing element
being formed projects axially outwardly from a plane intersecting
the body axis; wherein the cutter* is adapted to rotate
about an axis normal to that plane during formation of the intermeshing
element; and wherein the cutter includes axially extending cutting
teeth.
This subclass is indented under subclass 21. Device including a tool holder* and a plurality of cutting
edges mounted thereon wherein the cutting edges are adapted to be
positioned at different positions relative to each other on the
tool holder.
This subclass is indented under subclass 20. Device adapted to turn about an axis, including at least three
radially outwardly directed teeth positioned spirally about the
device, each tooth including a cutting edge formed by intersecting
planes one of which is generally parallel to and radiates from the
axis and serves to direct a chip formed by the cutting operation,
which device is intended to form the integrating elements on a body
by "hobbing".
(1)
Note. Forming a gear by "hobbing" involves
a complex relationship between a workpiece* and a cutter* wherein
the cutter is rotated at a first rate and wherein the workpiece
is moved to cause the intermeshing elements to traverse the cutter
at a second rate; wherein the cutting action of the cutter on the
workpiece is such that the entire surface for rolling contact of
the intermeshing elements is generated by a series of chip removing actions
made by the cutting edges of the cutter; and wherein all the intermeshing elements
of the gear body are generated as a continuous operation.
This subclass is indented under subclass 23. Device adapted to form an intermeshing element on a body, which
intermeshing element extends helically along the body.
This subclass is indented under subclass 23. Device wherein the cutter is detachable from the tool holder, and
wherein the tool holder includes a pocket specifically intended
to receive the cutter.
This subclass is indented under subclass 23. Device wherein the element formed is intended to rollingly intermesh
with a similar element, and wherein the element is on a rotary gear
and is formed with an imaginary line (root circle) about which the
effective drive takes place, wherein the shape of the element is
the same as would be generated by a point on a line tangent to the
root circle, as the line is unwound from the root circle.
This subclass is indented under subclass 20. Device including a cutter adapted to intermesh with the teeth of
a previously formed rotating gear, to rotate relative to that gear,
and to move axially relative thereto so that the axially directed
cutting edge engages and cuts away a small amount of material from
the surface of the gear.
This subclass is indented under subclass 20. Device including a cutter adapted to be reciprocated to and fro
across the work, which cutter is also intended to rotate between
passes, for generating a tooth structure generally considered to
be a gear.
(1)
Note. The cutting action utilized in gear generating is that
of a cutter which makes several passes through a workpiece or group
of cutters, each of which makes at least one pass through the workpiece,
the cutting action of each pass being such that the cumulative total of
all the passes cuts out a portion of a gear tooth.
This subclass is indented under subclass 20. Device including a cutter adapted to turn about an axis and including structure
for supporting that cutter for rotation, which device is shaped
to cut the entire surface of a gear tooth, or is shaped to cut the
entire surface of the recession between two gear teeth, at a single
cutting pass across the work.
This subclass is indented under the class definition. Device having a working surface sharply ridged by cutting edges
or teeth, which device is used as a smoothing or forming tool.
Brushing, Scrubbing,
and General Cleaning,
subclasses 236.01+ for a scraper of general cleaning utility; see the
notes thereto for miscellaneous scrapers of more specialized application.
Stock Material or Miscellaneous
Articles,
subclass 574 for a metallic stock material having a variation
in both width and thickness which repeats longitudinally.
This subclass is indented under subclass 29.1. Device wherein (a) the working surface is attached to a pliable
or bendable body or (b) a holder or retainer for (a).
This subclass is indented under subclass 29.1. Device having a rough working surface of small points especially adapted
for shaping or smoothing a vehicle tire.
This subclass is indented under subclass 29.1. Device which (a) is made of distinct components or an assemblage
of parts or components or (b) includes two or more different and
distinct file characteristics or shaping properties.
This subclass is indented under subclass 29.1. Device including (a) manual grasping or operating means, (b) retaining or
supports means, or (c) means (a) or (b), per se, especially adapted
for use with a file or rasp.
Metal Tools and Implements,
Making,
subclass 36 for a file holder for a saw sharpening file, which
holder has a guide or indicator attached to and carried by the file
in its movement which shows the operator the angle at which the
file is being held.
Chucks or Sockets,
subclasses 9.1+ for a socket-type handle which makes a permanent
or temporary readily releasable connection between a holder and
an object.
Joints and Connections, for means connecting a handle to a tool wherein only
such part of the handle and tool is included as cooperates to effect
the connection.
This subclass is indented under the class definition. Device including a cutter adapted to turn about an axis and including
structure for supporting that cutter for rotation, wherein the cutter
is intended to perform an operation of the class type.
Cutlery,
subclass 347 for a blade per se, used in a hand manipulated
implement wherein the blade is so constructed as to be rotated during
the cutting operation, and see the notes thereto for other rotary
implements or machines specialized to art uses.
Tool Changing,
subclasses 31+ for a rotary spindle machine tool combined with
a tool transfer means wherein structure of the tool or supporting structure
thereof is of particular importance.
This subclass is indented under subclass 30. Device wherein the cutter adapted to turn about an axis is comprised
of two or more generally disc-shaped members adapted to be stacked
coaxially one upon the other and turn about the axis to perform
a unitary cutting operation.
This subclass is indented under subclass 30. Device comprising a member constructed of a plurality of separate
structural materials such that the combined actions of the materials
is different than would be the action of a member constructed of
a single material.
(1)
Note. Included herein is a cutter constructed of a plurality
of metals so that there is less sound generated during the cutting
operation.
This subclass is indented under subclass 30. Device wherein the cutter is detachable from the tool holder and
wherein the tool holder includes a pocket specifically intended
for receiving the cutter.
Boot and Shoe Making,
subclass 94 for a rotary cutter head used in a sole and heel
edge trimmer in which the cutter is not integral with the cutter head,
but is inserted therein.
Cutting by Use of Rotating
Axially Moving Tool,
subclasses 199+ for a tool of that class type including a removable
cutting edge, and subclass 713 for an art digest for a tool having a
detachable cutting edge.
Threaded, Headed Fastener,
or Washer Making: Process and Apparatus, for a threading tap made up of several pieces rigidly
secured together instead of a single piece of metal, except such
tap which rotates to cut, and see the note to Class 408 above.
This subclass is indented under subclass 33. Device comprising a cutter having an axially extending, unsupported
end adapted to move forwardly into the work along the cutter axis
or transversely of the cutter axis such that the unsupported end
of the cutter extends through the undisturbed portion of the work.
This subclass is indented under subclass 34. Device wherein the pocket of the tool holder is intended to support
more than one distinct cutter, or wherein a single securing means
is intended to support a plurality of cutters that are usable at
the same time.
This subclass is indented under subclass 34. Device wherein the tool holder* is constructed to allow
selective positioning of the cutting edge relative to other portions
of the tool holder.
This subclass is indented under subclass 36. Device wherein the provision to allow adjusting movement of the
cutter allows the cutting edge to move toward or away from the axis
of the cutter relative to the holder.
This subclass is indented under subclass 37. Device wherein the provision to allow adjusting movement of the
cutter also allows that cutter to move along the axis of the cutter
relative to the holder.
This subclass is indented under subclass 40. Device wherein the securing means is comprised of a member having
a surface adapted to slidably engage a portion of the tool holder
and having another surface adapted to bindingly engage the cutter
and cause the cutter to be gripped between the sliding member and
a reaction surface of the tool holder.
This subclass is indented under subclass 33. Device wherein the pocket of the tool holder is intended to support
more than one distinct cutter or wherein a single securing means
is intended to support a plurality of cutters that are usable at
the same time.
This subclass is indented under subclass 33. Device wherein the tool holder* is constructed to allow
positioning of the cutting edge relative to other portions of the tool
holder.
This subclass is indented under subclass 44. Device wherein the provision to allow adjusting movement of the
cutter allows the cutting edge to move toward or away from the axis
of the cutter.
This subclass is indented under subclass 47. Device wherein the securing means is comprised of a member having
a surface adapted to slidably engage a portion of the tool holder
and having another surface adapted to bindingly engage the cutter
and cause the cutter to be gripped between the sliding member and
a reaction surface of the tool holder.
This subclass is indented under subclass 49. Device wherein the means to secure the cutter to the tool holder
includes a member adapted to flex within the elastic limit thereof
and grip the cutter.
for structure wherein a cutter gripping portion
is adapted to yield under pressure to allow movement of the cutter away
from the work under overload conditions.
This subclass is indented under subclass 33. Device wherein the tool holder supports a plurality of independent
cutters circularly spaced about the cutter axis.
This subclass is indented under subclass 51. Device wherein the tool holder is comprised of detachable segments adapted
to individually support the independent cutters.
This subclass is indented under subclass 30. Device comprising a cutter having an axially extending unsupported
end adapted to move forwardly into the work along the cutter axis
or transversely of the cutter axis such that the unsupported end
of the cutter extends through the undisturbed portion of the work.
This subclass is indented under subclass 53. Device including either a sharp edge or a plurality of sharp edges
extending diametrically across the unsupported end of the device,
so that upon axial advance the entire inscribed area of the work
will be cut away.
This subclass is indented under subclass 30. Device wherein the device is comprised of a plurality of cutters,
each cutter acting in cooperation with an adjacent cutter to present
a composite cutting surface that is the resultant of the addition
of all the cutting edges.
This subclass is indented under subclass 30. Device including a plurality of protuberances extending radially
outwardly from the device, each protuberance including at least
one cutting edge adapted to cuttingly engage the work, wherein the
protuberances are spaced circumferentially about the radially outer
limit of the device.
This subclass is indented under subclass 56. Device wherein the protuberances extend axially along the device
and are constructed such that the cutting edges progressively reach
a greater radial distance from the axis at one end of the device
than at the other.
This subclass is indented under subclass 56. Device wherein the protuberances spaced about the periphery of
the device are also spaced axially along the device.
This subclass is indented under subclass 58. Device including at least three protuberances having sharp cutting edges,
which protuberances are spaced about the tool in the form of a screw
thread extending there-along.
This subclass is indented under subclass 56. Device wherein significance is attributed to the particular configuration
of the protuberances or the particular separation or degree of separation
of the protuberances.
This subclass is indented under subclass 62. Device wherein the arcuate shape of the cutting edge is the shape
of a helix or screw thread generated along the device.
This subclass is indented under the class definition. Device comprising a cutter of generally circular shape, wherein
a cutting edge is provided at the periphery thereof, which cutter
is intended to be held at the center of the circular shape in a
tool holder such that the cutting edge can be presented to a workpiece.
(1)
Note. The device of this subclass is normally intended to
be sharpened by grinding away the leading surface forming the cutting
edge such that the device can be sharpened through a substantial
portion of the circular shape.
This subclass is indented under the class definition. Device comprising a cutter including a sharp cutting edge and including
a body portion which is arcuate in shape such that if the body were
extended it would ultimately pass through a circle and back into
engagement with itself.
This subclass is indented under the class definition. Device wherein the cutter* is detachable from the tool
holder* and wherein the tool holder includes a pocket specifically
intended for receiving the cutter.
Metal Working,
subclass 40 for a rotatable tool holder (turret) comprising
a device for securing a tool in the turret upon its carriage or
upon a lathe bed.
This subclass is indented under subclass 66. Device including a pocket for receiving a first cutter and including
a similar pocket for receiving a second cutter, both cutters being
removable and one being located in a position that is spaced away
from the pocket for receiving the other cutter.
This subclass is indented under subclass 67. Device including provision to allow positioning of one of the cutter
receiving pockets relative to the other cutter receiving pocket.
This subclass is indented under subclass 66. Device wherein the pocket of the tool holder is intended to support
more than one distinct cutter or wherein a single securing means
is intended to support a plurality of cutters that are to be used
at the same time.
This subclass is indented under subclass 66. Device including means carried by the tool holder to move the cutter
either (1) to any one of a plurality of different positions with
respect to the tool holder, or (2) about an axis that is fixed with
respect to the tool holder wherein a cutter may be moved positively
by said means in opposite directions along or about an axis that
is fixed relative to the tool holder.
This subclass is indented under subclass 73. Device including means to designate the relative position of the
cutter with respect to the other structure.
This subclass is indented under subclass 73. Device including a first means to positively move the cutter to
and fro relative to the tool holder in a first manner, and a second
means to positively move the cutter to and fro relative to the tool
holder in a different manner.
This subclass is indented under subclass 73. Device wherein movement of the cutter is caused by moving of the
pocket into which the cutter is positioned relative to the tool
holder.
This subclass is indented under subclass 66. Device wherein the tool holder is constructed to allow positioning
of the cutting edge relative to other portions of the tool holder.
This subclass is indented under subclass 77. Device including means to designate the relative position of the
cutter with respect to the other structure.
This subclass is indented under subclass 77. Device including a first means allowing positioning of the cutter
relative to the tool holder in a first manner, and a second means
allowing positioning of the cutter relative to the tool holder in
second manner.
This subclass is indented under subclass 79. Device including a first cutter receiving pocket and including
a second cutter receiving pocket, wherein the pockets are so positioned
on the tool holder that a cutter can be positioned in only one of
the pockets at any given time.
This subclass is indented under subclass 79. Device wherein at least one of the directions of movement of the
cutter relative to the tool holder is about an axis.
This subclass is indented under subclass 81. Device including physical means projecting from the tool holder
in engagement with the cutter for limiting cutter movement relative
to the holder.
This subclass is indented under subclass 81. Device wherein one manner of movement of the cutter relative to
the tool holder is brought about by moving the cutter receiving
pocket relative to other portions of the tool holder.
This subclass is indented under subclass 83. Device wherein the cutter is secured to the cutter receiving pocket
and allowed to pivot relative to that pocket.
This subclass is indented under subclass 77. Device wherein means is provided in the bottom of the cutter receiving pocket
for limiting cutter movement into that pocket, which limiting means
may be either intended to be adjusted in size or to be replaced by
another limiting means of different size.
This subclass is indented under subclass 86. Device wherein the cutter movement limiting means is adjusted by
movement of a helically threaded member directly in engagement therewith.
This subclass is indented under subclass 77. Device wherein movement of the cutter relative to the tool holder
is permitted by movement of the cutter receiving pocket relative
to other portions of the tool holder.
This subclass is indented under subclass 88. Device wherein the cutter receiving pocket is adapted to be moved
about an axis in order to relatively position the cutter with respect
to the tool holder.
This subclass is indented under subclass 77. Device wherein the cutter is adapted to be positioned about an
axis in order to relatively position the cutter with respect to the
tool holder.
This subclass is indented under subclass 77. Device including a securing element for grippingly holding the
cutter in the pocket, which securing element is normally urged toward
the cutter by the inherent resilience of the securing element, wherein
movement of the cutter relative to the tool holder is permitted
by release of the securing element.
This subclass is indented under subclass 92. Device including securing means comprised of a member pivotally secured
to the tool holder, and including an eccentric surface adapted to
slidably and bindingly engage the cutter and cause the cutter to be
gripped between the eccentric surface and a reaction surface of
the tool holder.
This subclass is indented under subclass 92. Device including securing means comprised of a member having a
surface adapted to slidably engage a portion of the tool holder,
and having another surface adapted to bindingly engage the cutter
and cause the cutter to be gripped between the sliding member and a
reaction surface of the tool holder.
This subclass is indented under subclass 94. Device including means to cause the cutter movement relative to
the tool holder to be along a fixed path, or including physical
means projecting from the tool holder in engagement with the cutter
for limiting cutter movement relative to the tool holder.
This subclass is indented under subclass 92. Device including means projecting from the tool holder in engagement with
the cutter for limiting cutter movement to the tool holder.
This subclass is indented under subclass 92. Device including securing means comprised of a helically threaded
member adapted to rotate and move axially relative to a cooperatively
threaded tool holder, such that an axially facing portion thereof
engages the cutter to cause the cutter to be gripped between the
helical member and a reaction surface of the tool holder.
This subclass is indented under subclass 92. Device comprised of a member adapted to frictionally engage and
move rectilinearly relative to the tool holder, and to engage the
cutter and cause the cutter to be gripped between the moving member
and a reaction surface of the tool holder.
This subclass is indented under subclass 66. Device wherein the means for receiving the cutter is of such physical
configuration to accept a first tool of a first shape or a second
tool of a second distinct shape.
This subclass is indented under subclass 66. Device with or including means specifically intended to cause the
portion of material removed from the work to be subdivided into
smaller pieces, with means to cause the material removed to pass
in a prescribed path, or with means to divert the material removed
away from a prescribed path.
This subclass is indented under subclass 66. Device including means detachable from the tool holder intended
to secure the cutter receiving pocket to the tool holder.
This subclass is indented under subclass 66. Device including means detachable from the tool holder, which means is
intended to secure the cutter to the tool holder.
This subclass is indented under subclass 102. Device wherein the cutter is provided with an opening therethrough
for receipt of the detachable structure for securing that cutter
to the tool holder.
This subclass is indented under subclass 103. Device wherein the structure is specifically adapted for the separate
fastening means to pass through the opening in the cutter to force
the cutter in a direction laterally of the opening through the cutter
and into engagement with a reaction surface of the tool holder.
This subclass is indented under subclass 104. Device wherein the means passing through the opening in the cutter
is an element adapted to change its axial extent by being leaned
against the wall of the opening passing through the cutter, including
means specifically intended to act aganist the element to bring
about the leaning thereof.
This subclass is indented under subclass 102. Device including securing means comprised of a member pivotally secured
to the tool holder and having an eccentric surface adapted to slidable
and bindingly engage the cutter and cause the cutter to be gripped
between the eccentric surface and a reaction surface of the tool
holder.
This subclass is indented under subclass 102. Device including a jaw-like element adapted to grippingly engage
the cutter, and including a member to force that member into engagement
with the cutter.
This subclass is indented under subclass 107. Device including securing means comprised of a member having a
surface adapted to slidably engage a portion of the tool holder
and having another surface adapted to bindingly engage the cutter
and cause the cutter to be gripped between the surface of the sliding member
and a reaction surface of the tool holder.
This subclass is indented under subclass 107. Device wherein the member adapted to grippingly engage the cutter
is urged by spring pressure either toward or out of engagement with
the cutter.
This subclass is indented under subclass 109. Device wherein the spring urged cutter gripping member is part
of the same structure as other portions of the tool holder.
This subclass is indented under subclass 107. Device wherein the member adapted to grippingly engage the cutter
is secured to the tool holder to swing about an axis relative thereto.
This subclass is indented under subclass 107. Device comprised of a member adapted to frictionally engage and move
rectilinearly relative to the tool holder, and to engage the cutter
and cause the cutter to be gripped between the moving member and
a reaction surface of the tool holder.
INCLUDING TOOL HAVING PLURAL ALTERNATIVELY USABLE CUTTING EDGES:
This subclass is indented under the class definition. Device including a cutter on which there is a first sharp edge adapted
to perform a cutting operation of the class type, and on which there
is a second sharp edge adapted to perform a cutting operation of the
class type, which cutting edges are intended to be used at different
times.
This subclass is indented under subclass 113. Device including means intended to subdivide the material cut away from
the work member, to direct that material in a certain path, or to
divert that material away from a certain path.
This subclass is indented under the class definition. Device including means intended to subdivide the material removed
from the work, intended to direct that material in a certain path,
or intended to divert that material out of certain path.
This subclass is indented under subclass 115. Device wherein the means to subdivide, direct or divert the material removed
from the workpiece comprises a hollowed out shape in that portion
of the cutter adjacent to the cutting edge, over which the product
of the cutting operation will pass during the cutting operation.
Cutting,
subclasses 651+ for similar structure wherein the cutting element is
intended to subdivide one portion of the work material from another,
but wherein there is no machining to shape the work.
This subclass is indented under the class definition. Device including a cutter comprised of a portion including a sharp cutting
edge adhesively or metallurgically secured to the adjacent portions
of the cutter.
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