Elastic connection wedge wrench

Details Elastic connection wedge wrench Elastic connection wedge wrench

2006-11-28

2006-11-28

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

C081S448000

Reexamination Certificate

active

07140281

ABSTRACT:
A tool, specifically described for a hex wrench, using a split head with the pieces joined by an elastic connector allowing for deformation of the exterior of the head shape to wedge into the hex socket. The split pieces of the head have an exterior profile matching the shape of the socket and the interior split has a cam profile that enhances the wedging action of the tool. The elastic allows for the tool to return to the original shape.

REFERENCES:
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patent: 785162 (1905-03-01), Freytag
patent: 1275810 (1918-08-01), White
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patent: 2455005 (1948-11-01), Hall
patent: 2657605 (1953-11-01), Howell
patent: 3224479 (1965-12-01), Osborn et al.
patent: 3286749 (1966-11-01), Learned
patent: 3733937 (1973-05-01), Mezey
patent: 4625598 (1986-12-01), Wolfram
patent: 4890521 (1990-01-01), Bien
patent: 5927165 (1999-07-01), Vasudeva

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