Socket wrench with washer gripping arms

Details Socket wrench with washer gripping arms Socket wrench with washer gripping arms

2009-05-22

2011-12-06

Shakeri, Hadi (Department: 3727)

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

C081S112000

Reexamination Certificate

active

08069754

ABSTRACT:
A multipurpose socket wrench includes an elongated tubular body with an internal opening extending longitudinally from the distal end and having a hexagonal cross-section. A driver receiving opening extends longitudinally from the proximal end. Elongated holding arms are positioned in longitudinally extending grooves formed in the outer surface of the body. The arms are mounted for limited longitudinal movement between an extended position and a retracted position. An attachment component gripping feature is positioned in the portion of the arms extending beyond the distal end of the body with the arms in the extended position. The arms are further mounted for limited radial movement of the gripping features.

REFERENCES:
patent: 601188 (1898-03-01), Webster
patent: 1441956 (1923-01-01), Watson
patent: 2498324 (1950-02-01), Yourglich et al.
patent: 2611289 (1952-09-01), Frank
patent: 2701494 (1955-02-01), Johnson
patent: 4552039 (1985-11-01), Fisher
patent: 4744273 (1988-05-01), Bartok, Jr.
patent: 5640889 (1997-06-01), Anderson
patent: 6557727 (2003-05-01), Robertson
patent: 7246540 (2007-07-01), Rillera

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