Powered impact wrench

Details Powered impact wrench Powered impact wrench

1989-09-25

1992-01-28

Eley, Timothy V.

Tool driving or impacting

Impacting devices

With anvil arranged to transmit torsional impact to tool

173 935, 173104, 81467, B23B 4516

Patent

active

050836196

ABSTRACT:
A reversible powered impact wrench is provided wherein improvements are incorporated in the detenting of the reverse direction valve, venting of excessive air pressure within the impact wrench motor housing which may use light weight material due to improved clutch and camming means and wherein an improved one piece anvil-timing shaft is designed to be supported by the impact wrench hammer and rotor.

REFERENCES:
patent: 3034623 (1962-05-01), Amtsberg
patent: 3414066 (1968-12-01), Wallace
patent: 3428137 (1969-02-01), Schaedler
patent: 3714994 (1973-02-01), Zoerner et al.
patent: 3908768 (1975-09-01), Hess

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