1. CPC Sections
  2. CPC Section B
  3. CPC Class B25
  4. CPC Subclass B25D
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Version: 2024.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
​
B25D
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)} [2020-05]
WARNINGS

  • The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups:
    B25D13/00 covered by B25D 11/064
    B25D15/00 covered by B25D 11/066
    B25D15/02 covered by B25D 11/068
    B25D17/10 covered by B25D 17/00
    B25D17/14 covered by B23Q 11/0042
    B25D17/16 covered by B23Q 11/0042
    B25D17/18 covered by B23Q 11/0042
  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
B25D 1/00
Hand hammers {(handles therefor B25G 1/00; attachment of handles to the hammer head B25G 3/00)}; Hammer heads of special shape or materials [2013-01]
B25D 1/005
.
{with nail feeding devices} [2013-01]
B25D 1/02
.
Inserts or attachments forming the striking part of hammer heads (B25D 1/08 - B25D 1/14 take precedence) [2016-05]
B25D 1/04
.
with provision for withdrawing or holding nails or spikes [2013-01]
B25D 1/045
. .
{with fulcrum member for extracting long nails} [2013-01]
B25D 1/06
. .
Magnetic holders [2013-01]
B25D 1/08
.
having deformable heads (B25D 1/12 takes precedence) [2013-01]
B25D 1/10
.
having work protector surrounding faces {(B25D 1/12 takes precedence)} [2013-01]
B25D 1/12
.
having shock-absorbing means [2013-01]
B25D 1/14
.
having plural striking faces [2013-01]
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 [2013-01]
B25D 3/00
Hand chisels [2013-01]
B25D 5/00
Centre punches [2013-01]
B25D 5/02
.
Automatic centre punches [2013-01]
B25D 7/00
Picks {(combined with other tools B25F)} [2013-01]
B25D 9/00
Portable percussive tools with fluid-pressure drive, {i.e. driven directly by fluids}, e.g. having several percussive tool bits operated simultaneously {(portable non-percussive drilling tools driven by fluid pressure or pneumatic power B23B 45/04)} [2015-07]
B25D 9/005
.
{Devices for testing the tool's performance} [2013-01]
B25D 9/02
.
of the tool-carrier piston type, i.e. in which the tool is connected to an impulse member [2013-01]
B25D 9/04
.
of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member [2013-01]
B25D 9/06
.
Means for driving the impulse member [2013-01]
B25D 9/08
. .
comprising a built-in air compressor {, i.e. the tool being driven by air pressure} [2017-08]
B25D 9/10
. .
comprising a built-in internal-combustion engine [2013-01]
B25D 9/11
. .
operated by combustion pressure generated by detonation of a cartridge [2013-01]
B25D 9/12
. .
comprising a built-in liquid motor {, i.e. the tool being driven by hydraulic pressure} [2017-08]
B25D 9/125
. . .
{driven directly by liquid pressure working with pulses} [2013-01]
B25D 9/14
.
Control devices for the reciprocating piston [2013-01]
B25D 9/145
. .
{for hydraulically actuated hammers having an accumulator} [2013-01]
B25D 9/16
. .
Valve arrangements therefor {(B25D 9/145 takes precedence)} [2013-01]
B25D 9/18
. . .
involving a piston-type slide valve [2013-01]
B25D 9/20
. . .
involving a tubular-type slide valve [2013-01]
B25D 9/22
. . .
involving a rotary-type slide valve [2013-01]
B25D 9/24
. . .
involving a rocking-plate type valve [2013-01]
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)} [2013-01]
B25D 9/265
. . .
{with arrangements for automatic stopping when the tool is lifted from the working face or suffers excessive bore resistance} [2013-01]
B25D 11/00
Portable percussive tools with electromotor {or other motor} drive [2013-01]
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} [2013-01]
B25D 11/02
.
in which the tool is connected to an impulse member [2013-01]
B25D 11/04
.
in which the tool bit or anvil is hit by an impulse member [2013-01]
B25D 11/06
.
Means for driving the impulse member [2013-01]
B25D 11/062
. .
{comprising a wobbling mechanism, swash plate} [2013-01]
B25D 11/064
. .
{using an electromagnetic drive} [2013-01]
B25D 11/066
. .
{using centrifugal or rotary impact elements} [2013-01]
B25D 11/068
. . .
{in which the tool bit or anvil is hit by a rotary impulse member} [2013-01]
B25D 11/08
. .
comprising a worm mechanism {, i.e. a continuous guide surface with steadily rising and falling incline} [2017-08]
B25D 11/10
. .
comprising a cam mechanism [2013-01]
B25D 11/102
. . .
{the rotating axis of the cam member being coaxial with the axis of the tool} [2013-01]
B25D 11/104
. . . .
{with rollers or balls as cam surface} [2013-01]
B25D 11/106
. . . .
{cam member and cam follower having the same shape (B25D 11/104 takes precedence)} [2013-01]
B25D 11/108
. . .
{the rotation axis of the cam member being parallel but offset to the tool axis} [2013-01]
B25D 11/12
. .
comprising a crank mechanism [2013-01]
B25D 11/125
. . .
{with a fluid cushion between the crank drive and the striking body} [2013-01]
B25D 16/00
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)} [2017-08]
B25D 16/003
.
{Clutches specially adapted therefor} [2013-01]
B25D 16/006
.
{Mode changers; Mechanisms connected thereto} [2013-01]
B25D 17/00
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)} [2013-01]
B25D 17/005
.
{Attachments or adapters placed between tool and hammer} [2013-01]
B25D 17/02
.
Percussive tool bits {(drill bits for earth drilling E21B 10/00)} [2013-01]
B25D 17/04
.
Handles; Handle mountings [2013-01]
B25D 17/043
. .
{Handles resiliently mounted relative to the hammer housing (B25D 17/046 takes precedence)} [2013-01]
B25D 17/046
. .
{Sleeve-like handles surrounding the tool bit} [2013-01]
B25D 17/06
.
Hammer pistons; Anvils {; Guide-sleeves for pistons} [2017-08]
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)} [2013-01]
B25D 17/082
. .
{Retainers consisting of a swinging yoke or latching means (B25D 17/086 takes precedence)} [2013-01]
B25D 17/084
. .
{Rotating chucks or sockets} [2013-01]
B25D 17/086
. . .
{with a swinging yoke or latching means} [2013-01]
B25D 17/088
. . .
{with radial movable locking elements co-operating with bit shafts specially adapted therefor} [2013-01]
B25D 17/11
.
Arrangements of noise-damping means {(noise damping in general G10K 11/16)} [2013-01]
B25D 17/12
. .
of exhaust silencers {(exhaust silencers in general F01N)} [2013-01]
B25D 17/20
.
Devices for cleaning or cooling tool or work [2013-01]
B25D 17/22
. .
using pressure fluid [2013-01]
B25D 17/24
.
Damping the reaction force {(resiliently mounted handles B25D 17/043; dampers in connections of hammers to backhoes E02F 3/966)} [2013-01]
B25D 17/245
. .
{using a fluid} [2013-01]
B25D 17/26
.
Lubricating {(in general F16N)} [2013-01]
B25D 17/265
. .
{the lubricant being entrained to the machine parts by the driving fluid} [2013-01]
B25D 17/28
.
Supports; Devices for holding power-driven percussive tools in working position {(connections of hammers to backhoes E02F 3/966)} [2013-01]
B25D 17/30
. .
Pillars and struts [2013-01]
B25D 17/32
. .
Trolleys [2013-01]
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 [2013-01]
B25D 2209/002
.
Pressure accumulators [2013-01]
B25D 2209/005
.
having a tubular-slide valve, which is coaxial with the piston [2013-01]
B25D 2209/007
.
having a tubular-slide valve, which is not coaxial with the piston [2013-01]
B25D 2211/00
Details of portable percussive tools with electromotor or other motor drive [2013-01]
B25D 2211/003
.
Crossed drill and motor spindles [2013-01]
B25D 2211/006
.
Parallel drill and motor spindles [2013-01]
B25D 2211/06
.
Means for driving the impulse member [2013-01]
B25D 2211/061
. .
Swash-plate actuated impulse-driving mechanisms [2013-01]
B25D 2211/062
. .
Cam-actuated impulse-driving mechanisms [2013-01]
B25D 2211/064
. . .
Axial cams, e.g. two camming surfaces coaxial with drill spindle [2013-01]
B25D 2211/065
. . .
with ball-shaped or roll-shaped followers [2013-01]
B25D 2211/067
. . .
wherein the cams are involved in a progressive mutual engagement with increasing pressure of the tool to the working surface [2013-01]
B25D 2211/068
. .
Crank-actuated impulse-driving mechanisms [2013-01]
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 [2013-01]
B25D 2216/0007
.
Details of percussion or rotation modes [2013-01]
B25D 2216/0015
. .
Tools having a percussion-only mode [2013-01]
B25D 2216/0023
. .
Tools having a percussion-and-rotation mode [2013-01]
B25D 2216/003
. . .
comprising de-phasing of percussion and rotation [2013-01]
B25D 2216/0038
. .
Tools having a rotation-only mode [2013-01]
B25D 2216/0046
. .
Preventing rotation [2013-01]
B25D 2216/0053
. . .
and percussion [2013-01]
B25D 2216/0061
. . .
preventing reverse rotation [2013-01]
B25D 2216/0069
.
Locking means [2013-01]
B25D 2216/0076
.
Angular position of the chisel modifiable by hand [2013-01]
B25D 2216/0084
.
Mode-changing mechanisms [2013-01]
B25D 2216/0092
. .
Tool comprising two or more collaborating mode-changing mechanisms [2013-01]
B25D 2217/00
Details of, or accessories for, portable power-driven percussive tools [2013-01]
B25D 2217/0003
.
Details of shafts of percussive tool bits [2013-01]
B25D 2217/0007
. .
Shaft ends [2013-01]
B25D 2217/0011
.
Details of anvils, guide-sleeves or pistons [2013-01]
B25D 2217/0015
. .
Anvils [2013-01]
B25D 2217/0019
. .
Guide-sleeves [2013-01]
B25D 2217/0023
. .
Pistons [2013-01]
B25D 2217/0026
. . .
Double pistons [2013-01]
B25D 2217/003
.
Details relating to chucks with radially movable locking elements [2013-01]
B25D 2217/0034
. .
Details of shank profiles [2013-01]
B25D 2217/0038
. .
Locking members of special shape [2013-01]
B25D 2217/0042
. . .
Ball-shaped locking members [2013-01]
B25D 2217/0046
. . .
Conically-shaped locking members [2013-01]
B25D 2217/0049
. . .
Roll-shaped locking members [2013-01]
B25D 2217/0053
. .
Devices for securing the tool retainer to the machine part [2013-01]
B25D 2217/0057
.
Details related to cleaning or cooling the tool or workpiece [2013-01]
B25D 2217/0061
. .
related to cooling [2013-01]
B25D 2217/0065
. .
Use of dust covers [2013-01]
B25D 2217/0069
. . .
Protecting chucks against entering of chip dust [2013-01]
B25D 2217/0073
.
Arrangements for damping of the reaction force [2013-01]
B25D 2217/0076
. .
by use of counterweights [2013-01]
B25D 2217/008
. . .
being electronically-driven [2013-01]
B25D 2217/0084
. . .
being fluid-driven [2013-01]
B25D 2217/0088
. . .
being mechanically-driven [2013-01]
B25D 2217/0092
. . .
being spring-mounted [2013-01]
B25D 2217/0096
.
Details of lubrication means [2013-01]
B25D 2222/00
Materials of the tool or the workpiece [2013-01]
B25D 2222/03
.
Ceramics [2013-01]
B25D 2222/06
.
Composite materials [2013-01]
B25D 2222/09
.
Diamond [2013-01]
B25D 2222/12
.
Glass [2013-01]
B25D 2222/15
.
Ice [2013-01]
B25D 2222/18
.
Leather [2013-01]
B25D 2222/21
.
Metals [2013-01]
B25D 2222/24
. .
Aluminium [2013-01]
B25D 2222/27
. .
Brass [2013-01]
B25D 2222/31
. .
Bronze [2013-01]
B25D 2222/33
. .
Copper [2013-01]
B25D 2222/36
. .
Lead [2013-01]
B25D 2222/39
. .
Mercury [2013-01]
B25D 2222/42
. .
Steel [2013-01]
B25D 2222/45
. .
Titanium [2013-01]
B25D 2222/48
. .
Zinc [2013-01]
B25D 2222/51
. .
Hard metals, e.g. tungsten carbide [2013-01]
B25D 2222/54
.
Plastics [2013-01]
B25D 2222/57
. .
Elastomers, e.g. rubber [2013-01]
B25D 2222/61
. .
Polyamides, e.g. Nylon [2013-01]
B25D 2222/66
. .
Polypropylene [2013-01]
B25D 2222/69
. .
Foamed polymers, e.g. polyurethane foam [2013-01]
B25D 2222/72
.
Stone, rock or concrete [2013-01]
B25D 2222/75
.
Wood [2013-01]
B25D 2250/00
General details of portable percussive tools; Components used in portable percussive tools [2013-01]
B25D 2250/005
.
Adjustable tool components; Adjustable parameters [2013-01]
B25D 2250/011
. .
Bits, e.g. adjusting bits by setting in the desired angular position [2013-01]
B25D 2250/015
. .
Heads [2013-01]
B25D 2250/021
. .
Stroke length [2013-01]
B25D 2250/025
.
Auxiliary percussive devices [2013-01]
B25D 2250/035
.
Bleeding holes, e.g. in piston guide-sleeves [2013-01]
B25D 2250/041
.
Cable management or routing of electrical cables and wires [2013-01]
B25D 2250/045
.
Cams used in percussive tools [2013-01]
B25D 2250/051
.
Couplings, e.g. special connections between components [2013-01]
B25D 2250/055
.
Depth properties, e.g. tools having depth indicator or depth control [2013-01]
B25D 2250/065
.
Details regarding assembling of the tool [2013-01]
B25D 2250/071
. .
Assembled by brazing [2013-01]
B25D 2250/075
. .
Assembled by welding [2013-01]
B25D 2250/085
.
Elastic behaviour of tool components [2013-01]
B25D 2250/091
.
Electrically-powered tool components [2013-01]
B25D 2250/095
. .
Electric motors [2013-01]
B25D 2250/101
.
Emitting warning signals, e.g. visual or sound [2013-01]
B25D 2250/105
.
Exchangeable tool components [2013-01]
B25D 2250/111
. .
Bits, i.e. inserts or attachments for hammer, chisel, pick [2013-01]
B25D 2250/115
.
Foldable parts of the tool, e.g. in order to reduce its size [2016-05]
B25D 2250/121
.
Housing details [2013-01]
B25D 2250/125
.
Hydraulic tool components [2013-01]
B25D 2250/131
.
Idling mode of tools [2013-01]
B25D 2250/141
.
Magnetic parts used in percussive tools [2013-01]
B25D 2250/145
. .
Electro-magnetic parts [2013-01]
B25D 2250/155
.
Marks, e.g. identification marks, indication scales, visualising means [2013-01]
B25D 2250/161
. .
Indication scales [2013-01]
B25D 2250/165
.
Overload clutches, torque limiters [2013-01]
B25D 2250/171
.
Percussive pulling action of tools for extraction of elements [2013-01]
B25D 2250/175
.
Phase shift of tool components [2013-01]
B25D 2250/181
.
Pneumatic tool components [2013-01]
B25D 2250/185
.
Pressure equalising means between sealed chambers [2013-01]
B25D 2250/191
.
Ram catchers for stopping the ram when entering idling mode [2013-01]
B25D 2250/195
.
Regulation means [2013-01]
B25D 2250/201
. .
for speed, e.g. drilling or percussion speed [2013-01]
B25D 2250/205
. .
for torque [2013-01]
B25D 2250/211
.
Cross-sections of the tool [2013-01]
B25D 2250/215
. .
Narrowing cross-sections [2013-01]
B25D 2250/221
.
Sensors [2013-01]
B25D 2250/225
.
Serrations [2013-01]
B25D 2250/231
.
Sleeve details [2013-01]
B25D 2250/235
. .
Sleeve couplings [2013-01]
B25D 2250/241
.
Sliding impact heads, i.e. impact heads sliding inside a rod or around a shaft [2013-01]
B25D 2250/245
.
Spatial arrangement of components of the tool relative to each other [2016-05]
B25D 2250/255
.
Switches [2013-01]
B25D 2250/261
. .
Means for locking an operative switch on [2013-01]
B25D 2250/265
. .
Trigger mechanism in handle [2013-01]
B25D 2250/271
.
Tools for breaking windows [2013-01]
B25D 2250/275
.
Tools having at least two similar components [2013-01]
B25D 2250/281
. .
Double motors [2013-01]
B25D 2250/285
. .
Tools having three or more similar components, e.g. three motors [2013-01]
B25D 2250/291
. . .
Tools having three or more parallel bits, e.g. needle guns [2013-01]
B25D 2250/295
.
Tools used in automobiles or automobile manufacture [2013-01]
B25D 2250/301
.
Torque transmission means [2013-01]
B25D 2250/305
.
Twisted part of a chisel or percussive non-drilling tool bit [2013-01]
B25D 2250/311
.
Ultrasonic percussion means [2013-01]
B25D 2250/315
.
Use of adhesives [2013-01]
B25D 2250/321
.
Use of balls [2013-01]
B25D 2250/325
.
Use of bayonets [2013-01]
B25D 2250/331
.
Use of bearings [2013-01]
B25D 2250/335
. .
Supports therefor [2013-01]
B25D 2250/341
.
Use of external compressors [2013-01]
B25D 2250/345
.
Use of o-rings [2013-01]
B25D 2250/351
.
Use of pins [2013-01]
B25D 2250/355
.
Use of rolls [2013-01]
B25D 2250/361
.
Use of screws or threaded connections [2013-01]
B25D 2250/365
.
Use of seals [2013-01]
B25D 2250/371
.
Use of springs [2013-01]
B25D 2250/375
. .
Fluid springs [2013-01]
B25D 2250/381
. .
Leaf springs [2013-01]
B25D 2250/385
.
Use of thrust-washers, e.g. for limiting the course of the impulse member [2013-01]
B25D 2250/391
.
Use of weights; Weight properties of the tool [2013-01]