DE2928470

A pneumatic torque tool includes a torque responsive mechanism which actuates a valve closure member by release of an elongated actuating rod. A movable valve seat is biased in a first position by pressure fluid supplied to the tool and upon release of the actuating rod the valve closure member enga...

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Bibliographische Detailangaben
1. Verfasser:	WORKMAN JUN., WILLIAM, SPRING LAKE, MICH., US
Format:	Patent
Sprache:	eng
Schlagworte:	HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING
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Beschreibung
Zusammenfassung:	A pneumatic torque tool includes a torque responsive mechanism which actuates a valve closure member by release of an elongated actuating rod. A movable valve seat is biased in a first position by pressure fluid supplied to the tool and upon release of the actuating rod the valve closure member engages the seat to shut off air flow to the tool motor. Upon closure of an operator actuated valve the seat is biased to a second position for resetting the actuating rod and closure member.