Impact wrench

Details Impact wrench Impact wrench

1982-01-19

1984-07-17

Kazenske, E. R.

Tool driving or impacting

Impacting devices

With anvil arranged to transmit torsional impact to tool

173 94, 173 93, 81463, B25B 1900

Patent

active

044600496

ABSTRACT:
An impact wrench includes a hammer, an anvil and a rotor driven by a motor, the hammer being swingeable in either direction with respect to the rotary axis of the rotor, the hammer resting on the anvil in a spring-loaded state so as to enable the hammer to line up with the axis of the anvil, the hammer including means for engaging itself with the inside surface of the rotor, whereby the hammer produces impacts at fixed intervals and transmits the same to the anvil.

REFERENCES:
patent: 2940566 (1960-06-01), Conover
patent: 3212293 (1965-10-01), Barnett
patent: 4347902 (1982-09-01), Wallace et al.

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