Combination wrench

Details Combination wrench Combination wrench

2006-08-22

2006-08-22

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S177100, C081S125100, C081S124700

Reexamination Certificate

active

07093519

ABSTRACT:
This invention discloses a three-in-one combination wrench. A preferred embodiment features an easily assembled ratchet wrench in the middle of the wrench body, suitable for operation in confined spaces. The combination wrench terminates at one end in a pair of opening jaws for engaging fasteners of various sizes that fit into the jaws; and at the other, in an adjustable mortise-tenon pivotal wrench for approaching fasteners from an optimal angle to maximize torque with least effort. Furthermore, a substantially symmetrical streamlined dual-handle is ergonomically configured for a comfortable holding gesture.

REFERENCES:
patent: 5797300 (1998-08-01), Fairbanks
patent: D465976 (2002-11-01), Wang
patent: 6868758 (2005-03-01), Chen
patent: 6898998 (2005-05-01), Shyu
patent: 6938521 (2005-09-01), Skeens
patent: 2003/0188607 (2003-10-01), Hsien

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