Valve arrangements therefor

Introduced: September 1968

Last revised: January 2006

Full Title

Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously > Control devices for the reciprocating piston > Valve arrangements therefor

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
Subclass:: PERCUSSIVE TOOLS

4 direct subcodes

Child Classifications

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B25D 9/18 involving a piston-type slide valve
B25D 9/2 involving a tubular-type slide valve
B25D 9/22 involving a rotary-type slide valve
B25D 9/24 involving a rocking-plate type valve