Retaining device of socket spanner

Details Retaining device of socket spanner Retaining device of socket spanner

1997-12-29

1999-08-31

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

81452, B25B 1302

Patent

active

059439238

ABSTRACT:
A socket spanner is disclosed which includes a socket and a U-shaped elastic body. The socket includes: (1) a driven member, a drive member and an intermediate section located therebetween; (2) a pair of longitudinally extending grooves provided on an inner wall of the driven member opposite each other; and (3) a circumferentially disposed circular slot provided near an inner end of the inner wall of the driven member. The U-shaped elastic body includes: (1) two longitudinally extending arms connected by an arcuate bottom portion; (2) a protruded portion formed on one of the longitudinally extending arms of the U-shaped elastic body for exerting an urging force against a nut received by the driven member of the socket. The two longitudinally extending arms are completely received by the pair of longitudinally extending grooves, respectively, and the arcuate bottom portion is completely received in the circumferentially disposed circular slot provided near the inner end of the inner wall of the driven member.

REFERENCES:
patent: 271549 (1883-01-01), True
patent: 2304271 (1942-12-01), Merriman et al.
patent: 2320044 (1943-05-01), Merriman
patent: 3665791 (1972-05-01), Carr
patent: 3835737 (1974-09-01), Carr
patent: 4663998 (1987-05-01), Parsons et al.
patent: 4787278 (1988-11-01), Bononi
patent: 5351586 (1994-10-01), Habermehl et al.
patent: 5724872 (1998-03-01), Shih

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