Rotary impact wrench clutch

Details Rotary impact wrench clutch Rotary impact wrench clutch

1979-12-18

1982-09-07

Schroeder, Werner H.

Tool driving or impacting

Impacting devices

With anvil arranged to transmit torsional impact to tool

B25B 1900

Patent

active

043479022

ABSTRACT:
This invention relates to an impact wrench clutch mechanism having a single roller element extending longitudinally between a motor driven coupling and an anvil. A hammer enclosing the roller member, has a single longitudinal pocket, engaged by the roller element for transmission of rotary movement to the hammer. The anvil has cam means arranged to activate the roller element whereby anvil rotation is accomplished with or without impacting, depending upon work load resistance applied to the anvil. The cam means are arranged to provide high rate of acceleration to the hammer whereby impacting values are unexpectedly high.

REFERENCES:
patent: 3179219 (1965-04-01), Karden
patent: 3414065 (1968-12-01), Falter
patent: 3533479 (1970-10-01), Madsen
patent: 3552499 (1971-01-01), Maurer
patent: 3734205 (1973-05-01), Maurer

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