Tool for rotating threaded fasteners

Details Tool for rotating threaded fasteners Tool for rotating threaded fasteners

1981-09-02

1983-10-04

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5746, 81 581, 81 591, B25B 1346

Patent

active

044071752

ABSTRACT:
A tool for rotating a threaded fastener comprises a wrench head, a drum mounted therein and rotable by pulling on a ring attached to the free end of steel tape wound therearound to rotate a loose fastener rapidly, the rotary drive being imparted through a free-wheel mechanism and an output shaft on the end of which is carried a conventional socket. Return motion of the drum is effected by a coil spring. Final tightening or initial loosening of the fastener is accomplished by pulling on the handle of a ratchet wrench handle located on the head by a U-pin.
Alternatively the head incorporates a wrench handle and is arranged to drive the output shaft through a ratchet mechanism: the free-wheel mechanism comprises an axially-reciprocable, spring-loaded plunger mounted on the drum co-operating with engagement means mounted on the output shaft.

REFERENCES:
patent: 870014 (1907-11-01), Campbell
patent: 1105854 (1914-08-01), Shriver
patent: 2365839 (1944-12-01), Pike
patent: 2487987 (1949-11-01), Schmitt et al.
patent: 2690689 (1954-10-01), Batcha
patent: 3572188 (1971-03-01), Christian
patent: 4099430 (1973-07-01), Stodola

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