Device in impact wrenches

Details Device in impact wrenches Device in impact wrenches

1987-03-02

1988-07-26

Schmidt, Frederick R.

Tools

Including tool driving by impact delivering component or...

Structurally constrained to arcuate movement

81475, B25B 23143

Patent

active

047592427

ABSTRACT:
A device at impact wrench, particularly for wheel nuts and wheel bolts and of the type which incorporates a shaft (2) with a handle (3) in one end and a socket in the opposite end (4), whereby the shaft between its ends is provided with a hub (6) about which is rotatably arranged an impact arm (8) which carries weights and is arranged to transfer impact movement to the shaft via stops (7) arranged at the hub, whereby in connection to the hub (6) is arranged members (7, 10) arranged to limit the ability of the impact arm (8) to transfer movement to the shaft (2) which carries the socket in one direction of movement of said impact arm.

REFERENCES:
patent: 2160622 (1939-05-01), Olson et al.
patent: 3158050 (1964-11-01), Shandel
patent: 3203283 (1965-08-01), Newman
patent: 3491839 (1970-01-01), McIntire
patent: 4249435 (1981-02-01), Villeneuve

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