Compressed air feed control system for a tapping device

Details Compressed air feed control system for a tapping device Compressed air feed control system for a tapping device

1978-09-19

1981-05-05

Feldbaum, Ronald

Tool driving or impacting

Passage in manipulating handle for drive motor motive fluid

Motive fluid control valve in handle passage

B23B 4504

Patent

active

042653223

ABSTRACT:
The invention is a unique air inlet control system for a distributor of a jack-hammer wherein the inlet control valve is mounted in the inlet passage so as to be pivotally movable by a sliding rod which is in intimate contact with the control trigger mounted in the handle as well as the valve body. The arrangement permits any force that is applied to the control trigger to be translocated to the valve body and thereby unseat the valve body. Further, when the force is removed from the control trigger, the compressed air acts on the sliding rod to allow the valve body to return to a sealed position.

REFERENCES:
patent: 2666978 (1954-01-01), Skillman
patent: 3043274 (1962-07-01), Quackenbush
patent: 3666027 (1972-05-01), Sauerwein et al.
patent: 3811514 (1974-05-01), Bomberg et al.
patent: 3934657 (1976-01-01), Danielson
patent: 3970110 (1976-07-01), Schaedler et al.

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