Control valve apparatus for pneumatic tools

Details Control valve apparatus for pneumatic tools Control valve apparatus for pneumatic tools

1985-03-04

1986-10-28

Rosenthal, Arnold

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 32, 251113, 91529, 91534, 13762526, F16K 31143

Patent

active

046194355

ABSTRACT:
An improved flow control valve apparatus for pneumatically powered tools that include a motor and feed and retract apparatus driven by the motor. The control valve apparatus includes a main flow valve and a retract control valve each of which is controlled by the control valve to provide air to the motor, to automatically stop the feed and retract motion of the tool, and to stop the tool completely when desired.

REFERENCES:
patent: 1465540 (1923-08-01), Brandriff
patent: 3187770 (1965-06-01), Plamann
patent: 3323602 (1967-06-01), Lysell

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