Safety inlet air valve control arrangement for air powered...

Details Safety inlet air valve control arrangement for air powered... Safety inlet air valve control arrangement for air powered...

F - Mech Eng,Light,Heat,Weapons

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F01C 13/02 (2006.01) B25B 21/00 (2006.01) B25D 9/16 (2006.01) F16K 21/04 (2006.01) F16K 35/00 (2006.01) F16P 3/22 (2006.01) G05G 11/00 (2006.01)

Patent

CA 1039131

ABSTRACT OF THE DISCLOSURE Safety air valve control arrangement for feeding inlet air to the motor of a rotary hand held tool, such as an impact wrench, and guarding against accidental feeding of such air, as when the tool is carelessly rested or dropped, the control arrange- ment comprising a manipulative lever operated throttle valve and a manipulative trigger operable safety valve both of which must be separately manually operated and held at the same time in operated condition to enable inlet air feed to the motor. Release of either valve to closed condition will shut off operation of the tool.

243037

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