|  | B |
SECTION B — PERFORMING OPERATIONS

SHAPING

|  | B25 |
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS

|  | B25 |
Note(s) The word "portable" is to be understood as including suspension for easy manual handling, e.g. in connection with spring-suspended portable apparatus for use along assembly lines.

|  | B25D |
PERCUSSIVE TOOLS (portable drilling machines with reciprocating tool which is turned intermittently when out of contact with the working face Fulltext... Hierarchy... Expanded...E21C 3/00)

|  | B25D 1/00 |
Hand hammers; Hammer heads of special shape or material

|  | B25D 1/02 |
· | Inserts or attachments forming the striking part of hammer heads

|  | B25D 1/04 |
· | with provision for withdrawing or holding nails or spikes

|  | B25D 3/00 |
Hand chisels (mortise chisels Fulltext... Hierarchy... Expanded...B27G 17/08)

|  | B25D 5/00 |
Centre punches

|  | B25D 5/02 |
· | Automatic centre punches

|  | B25D 7/00 |
Picks (combined with other tools Fulltext... Hierarchy... Expanded...B25F)

|  | B25D 9/00 |
Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously (centrifugal or rotary impact type Fulltext... Hierarchy... Expanded...B25D 15/00)

|  | 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

|  | B25D 9/06 |
· | Means for driving the impulse member

|  | B25D 9/08 |
· · | comprising a built-in air compressor

|  | B25D 9/10 |
· · | comprising a built-in internal-combustion engine

|  | B25D 9/11 |
· · | operated by combustion pressure generated by detonation of a cartridge

|  | B25D 9/12 |
· · | comprising a built-in liquid motor

|  | B25D 9/14 |
· | Control devices for the reciprocating piston

|  | B25D 9/16 |
· · | Valve arrangements therefor

|  | 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

|  | B25D 9/26 |
· · | Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof

|  | B25D 11/00 |
Portable percussive tools with electromotor drive (centrifugal or rotary impact type Fulltext... Hierarchy... Expanded...B25D 15/00)

|  | 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

|  | B25D 11/06 |
· | Means for driving the impulse member

|  | B25D 11/08 |
· · | comprising a worm mechanism

|  | B25D 11/10 |
· · | comprising a cam mechanism

|  | B25D 11/12 |
· · | comprising a crank mechanism

|  | B25D 13/00 |
Portable percussive tools with electromagnetic drive (Fulltext... Hierarchy... Expanded...B25D 15/00 takes precedence)

|  | B25D 15/00 |
Portable percussive tools using centrifugal or rotary impact elements

|  | B25D 15/02 |
· | in which the tool bit or anvil is hit by a rotary impulse member

|  | B25D 17/00 |
Details of and accessories for portable power-driven percussive tools

|  | B25D 17/02 |
· | Percussive tool bits (bits in general Fulltext... Hierarchy... Expanded...E21C 13/00)

|  | B25D 17/04 |
· | Handles; Handle mountings

|  | B25D 17/06 |
· | Hammer pistons; Anvils

|  | B25D 17/08 |
· | Means for retaining and guiding the tool bit, e.g. chucks

|  | B25D 17/10 |
· | Safety devices (in general Fulltext... Hierarchy... Expanded...F16P)

|  | B25D 17/12 |
· | Arrangements of silencers (silencers in general Fulltext... Hierarchy... Expanded...G10K)

|  | B25D 17/14 |
· | Removing or laying dust

|  | B25D 17/16 |
· · | by liquid

|  | B25D 17/18 |
· · | by exhausting dust-loaded air

|  | B25D 17/20 |
· | Devices for cleaning or cooling tool or work

|  | B25D 17/22 |
· · | using pressure fluid

|  | B25D 17/24 |
· | Damping the reaction force

|  | B25D 17/26 |
· | Lubricating (in general Fulltext... Hierarchy... Expanded...F16N)

|  | B25D 17/28 |
· | Supports; Devices for holding power-driven percussive tools in working position

|  | B25D 17/30 |
· · | Pillars and struts

|  | B25D 17/32 |
· · | Trolleys