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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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PERCUSSIVE TOOLS
{
(percussive machines for forging B21J; hand-held drilling machines, in general B23B 45/00, for wood B27C 3/08 ; drilling machines, used for mining or quarrying, with reciprocating tool which is turned intermittently when out of contact with the working face E21B 1/00) [M1204
}
WARNING
-
The following IPC groups are not used in the CPC scheme. Subject matter covered by these groups is classified in the following CPC groups:
B25D13/00 covered by B25D 11/064B25D15/00 covered by B25D 11/066B25D15/02 covered by B25D 11/068B25D17/10 covered by B25D 17/00, F16PB25D17/14 covered by B23Q 11/0042B25D17/16 covered by B23Q 11/0042B25D17/18 covered by B23Q 11/0042

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Hand hammers
{
(handles therefor B25G 1/00; attachment of handles to the hammer head B25G 3/00)
}
; Hammer heads of special shape or materials
B25D 1/005
.
{
with nail feeding devices
}
B25D 1/02
.
Inserts or attachments forming the striking part of hammer heads (B25D 1/08 to B25D 1/14 take precedence)
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B25D 1/04
.
with provision for withdrawing or holding nails or spikes
B25D 1/045
. .
{
with fulcrum member for extracting long nails
}
B25D 1/06
. .
Magnetic holders
B25D 1/08
.
having deformable heads (B25D 1/12 takes precedence)
B25D 1/10
.
having work protector surrounding faces
{
(B25D 1/12 takes precedence)
}
B25D 1/12
.
having shock-absorbing means
B25D 1/14
.
having plural striking faces
B25D 1/16
.
having the impacting head in the form of a sleeve slidable on a shaft, e.g. hammers for driving a valve or draw-off tube into a barrel
Hand chisels
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Centre punches
B25D 5/02
.
Automatic centre punches
Picks
{
(combined with other tools B25F)
}
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Portable percussive tools with fluid-pressure drive,
{
i.e. driven directly by fluids
}
, e.g. having several percussive tool bits operated simultaneously
{
(B25D15/00 ; portable non-percussive drilling tools driven by fluid pressure or pneumatic power B23B 45/04)
}
B25D 9/005
.
{
Devices for testing the tool`s performance
}
B25D 9/02
.
of the tool-carrier piston type, i.e. in which the tool is connected to an impulse member
B25D 9/04
.
of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
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B25D 9/06
.
Means for driving the impulse member
B25D 9/08
. .
comprising a built-in air compressor,
{
i.e. the tool being driven by air pressure
}
B25D 9/10
. .
comprising a built-in internal-combustion engine
B25D 9/11
. .
operated by combustion pressure generated by detonation of a cartridge
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B25D 9/12
. .
comprising a built-in liquid motor,
{
i.e. the tool being driven by hydraulic pressure
}
B25D 9/125
. . .
{
driven directly by liquid pressure working with pulses
}
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B25D 9/14
.
Control devices for the reciprocating piston
B25D 9/145
. .
{
for hydraulically actuated hammers having an accumulator
}
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B25D 9/16
. .
Valve arrangements therefor
{
(B25D 9/145 takes precedence)
}
B25D 9/18
. . .
involving a piston-type slide valve
B25D 9/20
. . .
involving a tubular-type slide valve
B25D 9/22
. . .
involving a rotary-type slide valve
B25D 9/24
. . .
involving a rocking-plate type valve
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B25D 9/26
. .
Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
{
(control systems adapted for earth drilling E21B 44/00)
}
B25D 9/265
. . .
{
with arrangements for automatic stopping when the tool is lifted from the working face or suffers excessive bore resistance
}
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Portable percussive tools with electromotor
{
or other motor
}
drive
B25D 11/005
.
{
Arrangements for adjusting the stroke of the impulse member or for stopping the impact action when the tool is lifted from the working surface
}
B25D 11/02
.
in which the tool is connected to an impulse member
B25D 11/04
.
in which the tool bit or anvil is hit by an impulse member
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B25D 11/06
.
Means for driving the impulse member
B25D 11/062
. .
{
comprising a wobbling mechanism, swash plate
}
B25D 11/064
. .
{
using an electromagnetic drive
}
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B25D 11/066
. .
{
using centrifugal or rotary impact elements
}
B25D 11/068
. . .
{
in which the tool bit or anvil is hit by a rotary impulse member
}
B25D 11/08
. .
comprising a worm mechanism,
{
i.e. a continuous guide surface with steadily rising and falling incline
}
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B25D 11/10
. .
comprising a cam mechanism
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B25D 11/102
. . .
{
the rotating axis of the cam member being coaxial with the axis of the tool
}
B25D 11/104
. . . .
{
with rollers or balls as cam surface
}
B25D 11/106
. . . .
{
cam member and cam follower having the same shape (B25D 11/104 takes precedence)
}
B25D 11/108
. . .
{
the rotation axis of the cam member being parallel but offset to the tool axis
}
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B25D 11/12
. .
comprising a crank mechanism
B25D 11/125
. . .
{
with a fluid cushion between the crank drive and the striking body
}
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Portable percussive machines with superimposed rotation,
{
the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit (combined percussion and rotary drilling adapted for earth drilling E21B 6/00)
}
B25D 16/003
.
{
Clutches specially adapted therefor
}
B25D 16/006
.
{
Mode changers; Mechanisms connected thereto
}
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Details of, or accessories for, portable power-driven percussive tools
{
(details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F 5/00)
}
B25D 17/005
.
{
Attachments or adapters placed between tool and hammer
}
B25D 17/02
.
Percussive tool bits
{
(drill bits for earth drilling E21B 10/00)
}
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B25D 17/04
.
Handles; Handle mountings
B25D 17/043
. .
{
Handles resiliently mounted relative to the hammer housing (B25D 17/046 takes precedence)
}
B25D 17/046
. .
{
Sleeve-like handles surrounding the tool bit
}
B25D 17/06
.
Hammer pistons; Anvils;
{
Guide-sleeves for pistons
}
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B25D 17/08
.
Means for retaining and guiding the tool bit, e.g. chucks
{
allowing axial oscillation of the tool bit (B25D 17/005 takes precedence)
}
B25D 17/082
. .
{
Retainers consisting of a swinging yoke or latching means (B25D 17/086 takes precedence)
}
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B25D 17/084
. .
{
Rotating chucks or sockets
}
B25D 17/086
. . .
{
with a swinging yoke or latching means
}
B25D 17/088
. . .
{
with radial movable locking elements co-operating with bit shafts specially adapted therefor
}
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B25D 17/11
.
Arrangements of noise-damping means
{
(noise damping in general G10K 11/16)
}
B25D 17/12
. .
of exhaust silencers
{
(exhaust silencers in general F01N)
}
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B25D 17/20
.
Devices for cleaning or cooling tool or work
B25D 17/22
. .
using pressure fluid
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B25D 17/24
.
Damping the reaction force
{
(resiliently mounted handles B25D 17/043; dampers in connections of hammers to backhoes E02F 3/966)
}
B25D 17/245
. .
{
using a fluid
}
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B25D 17/26
.
Lubricating
{
(in general F16N)
}
B25D 17/265
. .
{
the lubricant being entrained to the machine parts by the driving fluid
}
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B25D 17/28
.
Supports; Devices for holding power-driven percussive tools in working position
{
(connections of hammers to backhoes E02F 3/966)
}
B25D 17/30
. .
Pillars and struts
B25D 17/32
. .
Trolleys
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B25D 2209/00
Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
B25D 2209/002
.
Pressure accumulators
B25D 2209/005
.
having a tubular-slide valve, which is coaxial with the piston
B25D 2209/007
.
having a tubular-slide valve, which is not coaxial with the piston
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B25D 2211/00
Details of portable percussive tools with electromotor or other motor drive
B25D 2211/003
.
Crossed drill and motor spindles
B25D 2211/006
.
Parallel drill and motor spindles
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B25D 2211/06
.
Means for driving the impulse member
B25D 2211/061
. .
Swash-plate actuated impulse-driving mechanisms
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B25D 2211/062
. .
Cam-actuated impulse-driving mechanisms
B25D 2211/064
. . .
Axial cams, e.g. two camming surfaces coaxial with drill spindle
B25D 2211/065
. . .
with ball-shaped or roll-shaped followers
B25D 2211/067
. . .
wherein the cams are involved in a progressive mutual engagement with increasing pressure of the tool to the working surface
B25D 2211/068
. .
Crank-actuated impulse-driving mechanisms
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B25D 2216/00
Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
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B25D 2216/0007
.
Details of percussion or rotation modes
B25D 2216/0015
. .
Tools having a percussion-only mode
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B25D 2216/0023
. .
Tools having a percussion-and-rotation mode
B25D 2216/003
. . .
comprising de-phasing of percussion and rotation
B25D 2216/0038
. .
Tools having a rotation-only mode
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B25D 2216/0046
. .
Preventing rotation
B25D 2216/0053
. . .
and percussion
B25D 2216/0061
. . .
preventing reverse rotation
B25D 2216/0069
.
Locking means
B25D 2216/0076
.
Angular position of the chisel modifiable by hand
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B25D 2216/0084
.
Mode-changing mechanisms
B25D 2216/0092
. .
Tool comprising two or more collaborating mode-changing mechanisms
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B25D 2217/00
Details of, or accessories for, portable power-driven percussive tools
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B25D 2217/0003
.
Details of shafts of percussive tool bits
B25D 2217/0007
. .
Shaft ends
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B25D 2217/0011
.
Details of anvils, guide-sleeves or pistons
B25D 2217/0015
. .
Anvils
B25D 2217/0019
. .
Guide-sleeves
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B25D 2217/0023
. .
Pistons
B25D 2217/0026
. . .
Double pistons
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B25D 2217/003
.
Details relating to chucks with radially movable locking elements
B25D 2217/0034
. .
Details of shank profiles
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B25D 2217/0038
. .
Locking members of special shape
B25D 2217/0042
. . .
Ball-shaped locking members
B25D 2217/0046
. . .
Conically-shaped locking members
B25D 2217/0049
. . .
Roll-shaped locking members
B25D 2217/0053
. .
Devices for securing the tool retainer to the machine part
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B25D 2217/0057
.
Details related to cleaning or cooling the tool or workpiece
B25D 2217/0061
. .
related to cooling
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B25D 2217/0065
. .
Use of dust covers
B25D 2217/0069
. . .
Protecting chucks against entering of chip dust
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B25D 2217/0073
.
Arrangements for damping of the reaction force
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B25D 2217/0076
. .
by use of counterweights
B25D 2217/008
. . .
being electronically-driven
B25D 2217/0084
. . .
being fluid-driven
B25D 2217/0088
. . .
being mechanically-driven
B25D 2217/0092
. . .
being spring-mounted
B25D 2217/0096
.
Details of lubrication means
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B25D 2222/00
Materials of the tool or the workpiece
B25D 2222/03
.
Ceramics
B25D 2222/06
.
Composite materials
B25D 2222/09
.
Diamond
B25D 2222/12
.
Glass
B25D 2222/15
.
Ice
B25D 2222/18
.
Leather
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B25D 2222/21
.
Metals
B25D 2222/24
. .
Aluminium
B25D 2222/27
. .
Brass
B25D 2222/31
. .
Bronze
B25D 2222/33
. .
Copper
B25D 2222/36
. .
Lead
B25D 2222/39
. .
Mercury
B25D 2222/42
. .
Steel
B25D 2222/45
. .
Titanium
B25D 2222/48
. .
Zinc
B25D 2222/51
. .
Hard metals, e.g. tungsten carbide
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B25D 2222/54
.
Plastics
B25D 2222/57
. .
Elastomers, e.g. rubber
B25D 2222/61
. .
Polyamides, e.g. Nylon
B25D 2222/66
. .
Polypropylene
B25D 2222/69
. .
Foamed polymers, e.g. polyurethane foam
B25D 2222/72
.
Stone, rock or concrete
B25D 2222/75
.
Wood
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B25D 2250/00
General details of portable percussive tools; Components used in portable percussive tools
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B25D 2250/005
.
Adjustable tool components; Adjustable parameters
B25D 2250/011
. .
Bits, e.g. adjusting bits by setting in the desired angular position
B25D 2250/015
. .
Heads
B25D 2250/021
. .
Stroke length
B25D 2250/025
.
Auxiliary percussive devices
B25D 2250/035
.
Bleeding holes, e.g. in piston guide-sleeves
B25D 2250/041
.
Cable management or routing of electrical cables and wires
B25D 2250/045
.
Cams used in percussive tools
B25D 2250/051
.
Couplings, e.g. special connections between components
B25D 2250/055
.
Depth properties, e.g. tools having depth indicator or depth control
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B25D 2250/065
.
Details regarding assembling of the tool
B25D 2250/071
. .
Assembled by brazing
B25D 2250/075
. .
Assembled by welding
B25D 2250/085
.
Elastic behaviour of tool components
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B25D 2250/091
.
Electrically-powered tool components
B25D 2250/095
. .
Electric motors
B25D 2250/101
.
Emitting warning signals, e.g. visual or sound
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B25D 2250/105
.
Exchangeable tool components
B25D 2250/111
. .
Bits, i.e. inserts or attachments for hammer, chisel, pick
B25D 2250/115
.
Foldable parts of the tool, e.g. in order to reduce its size.
B25D 2250/121
.
Housing details
B25D 2250/125
.
Hydraulic tool components
B25D 2250/131
.
Idling mode of tools
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B25D 2250/141
.
Magnetic parts used in percussive tools
B25D 2250/145
. .
Electro-magnetic parts
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B25D 2250/155
.
Marks, e.g. identification marks, indication scales, visualising means
B25D 2250/161
. .
Indication scales
B25D 2250/165
.
Overload clutches, torque limiters
B25D 2250/171
.
Percussive pulling action of tools for extraction of elements
B25D 2250/175
.
Phase shift of tool components
B25D 2250/181
.
Pneumatic tool components
B25D 2250/185
.
Pressure equalising means between sealed chambers
B25D 2250/191
.
Ram catchers for stopping the ram when entering idling mode
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B25D 2250/195
.
Regulation means
B25D 2250/201
. .
for speed, e.g. drilling or percussion speed
B25D 2250/205
. .
for torque
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B25D 2250/211
.
Cross-sections of the tool
B25D 2250/215
. .
Narrowing cross-sections
B25D 2250/221
.
Sensors
B25D 2250/225
.
Serrations
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B25D 2250/231
.
Sleeve details
B25D 2250/235
. .
Sleeve couplings
B25D 2250/241
.
Sliding impact heads, i.e. impact heads sliding inside a rod or around a shaft
B25D 2250/245
.
Spatial arrangement of components of the tool relative to each other.
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B25D 2250/255
.
Switches
B25D 2250/261
. .
Means for locking an operative switch on
B25D 2250/265
. .
Trigger mechanism in handle
B25D 2250/271
.
Tools for breaking windows
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B25D 2250/275
.
Tools having at least two similar components
B25D 2250/281
. .
Double motors
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B25D 2250/285
. .
Tools having three or more similar components, e.g. three motors
B25D 2250/291
. . .
Tools having three or more parallel bits, e.g. needle guns
B25D 2250/295
.
Tools used in automobiles or automobile manufacture
B25D 2250/301
.
Torque transmission means
B25D 2250/305
.
Twisted part of a chisel or percussive non-drilling tool bit
B25D 2250/311
.
Ultrasonic percussion means
B25D 2250/315
.
Use of adhesives
B25D 2250/321
.
Use of balls
B25D 2250/325
.
Use of bayonets
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B25D 2250/331
.
Use of bearings
B25D 2250/335
. .
Supports therefor
B25D 2250/341
.
Use of external compressors
B25D 2250/345
.
Use of o-rings
B25D 2250/351
.
Use of pins
B25D 2250/355
.
Use of rolls
B25D 2250/361
.
Use of screws or threaded connections
B25D 2250/365
.
Use of seals
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B25D 2250/371
.
Use of springs
B25D 2250/375
. .
Fluid springs
B25D 2250/381
. .
Leaf springs
B25D 2250/385
.
Use of thrust-washers, e.g. for limiting the course of the impulse member
B25D 2250/391
.
Use of weights; Weight properties of the tool
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013