Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Reexamination Certificate
2006-12-12
2006-12-12
Hail, III, Joseph J. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Handle or shank
C081S177900, C081S177700, C081S124600
Reexamination Certificate
active
07146886
ABSTRACT:
A wrench includes a handle and a set of driving members to be selected to be coupled to the handle. Each of the driving members has a connecting portion complementary to the connecting portion of the handle. A coupling device is disposed at the connecting portion of the handle to detachably coupling the connecting portion of the driving member and the connecting portion of the handle. The coupling device forms a rotation axis of the driving member, such that the driving member can rotate. As a result, the driving members can be replaced quickly to the handle to meet the specific work.
REFERENCES:
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patent: 4711145 (1987-12-01), Inoue
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patent: 2004/0144219 (2004-07-01), Lin
patent: 482064 (2002-04-01), None
patent: 497526 (2002-08-01), None
Hail III Joseph J.
McDonald Shantese L.
Proxene Tools Co., Ltd.
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