Anti-slip socket with uniform wall thickness

Details Anti-slip socket with uniform wall thickness Anti-slip socket with uniform wall thickness

2007-06-05

2008-08-05

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

C081S124600

Reexamination Certificate

active

07406895

ABSTRACT:
A socket includes a coupling end coupled with and driven by a driving tool and a driving end for engaging with a fastener to be driven. The driving end includes a peripheral wall portion having six inner faces on an inner periphery thereof for coupling with and driving the fastener A recessed portion is formed between a pair of inner faces adjacent to each other. The peripheral wall portion further includes six concave outer faces on an outer periphery thereof and respectively opposite to the inner faces. A convex gripping portion is formed between a pair of concave outer faces adjacent to each other. The concave outer faces and the convex gripping portions form a non-smooth outer periphery of the peripheral wall portion to allow firm grip by a user.

REFERENCES:
patent: 876675 (1908-01-01), Albrecht
patent: D381247 (1997-07-01), Zayat, Jr.
patent: 6282994 (2001-09-01), Wei
patent: 6951156 (2005-10-01), Garg
patent: D525496 (2006-07-01), Hsieh
patent: 7127969 (2006-10-01), Hsieh
patent: 2003/0126960 (2003-07-01), Chen

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