Socket wrench apparatus

Details Socket wrench apparatus Socket wrench apparatus

2007-11-06

2007-11-06

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

C081S121100

Reexamination Certificate

active

11252164

ABSTRACT:
A socket-wrench socket is provided having a plurality of longitudinally extending members therein mounted within wall circumferential slots of the workpiece-receiving opening of the socket and secured in place by a flexible web. These members have flat surfaces for engaging the workpiece and are biased into engagement with the workpiece by the web. These members and the slots are formed such that rotation of the socket causes the slots to exert radially inward camming force onto the members at the same time that rotational force is applied to the members. The members translate the camming force to flat surfaces of the workpiece for improved gripping, and translate rotational force to the workpiece for manipulation of the workpiece in the direction of that rotation.

REFERENCES:
patent: 3834253 (1974-09-01), Carr
patent: 3889557 (1975-06-01), Young
patent: 4416173 (1983-11-01), Rebish
patent: 4724730 (1988-02-01), Mader et al.
patent: 6237448 (2001-05-01), Haxton
patent: 6327939 (2001-12-01), Macor
patent: 2003/0110903 (2003-06-01), Creek

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