Tool combination

Details Tool combination Tool combination

2011-03-15

2011-03-15

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

C081S177700, C081S177850

Reexamination Certificate

active

07905163

ABSTRACT:
A tool combination includes a shaft having a non-circular segment, a tool carrying head having a stud pivotally mounted to the shaft, and a sleeve slidably engaging onto the shaft and having a compartment formed in one end for receiving the end portion of the shaft and the stud of the tool carrying head and for retaining the stud of the tool carrying head in line with the shaft, and one end of the shaft is engageable with a power driving tool for being driven by the power driving tool automatically, and the non-circular segment of the shaft is engageable with a non-circular space of the sleeve for allowing the shaft to be selectively rotated by the sleeve manually.

REFERENCES:
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patent: 5515754 (1996-05-01), Elkins
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patent: 6976411 (2005-12-01), Yu
patent: 7278342 (2007-10-01), Chang
patent: 7363839 (2008-04-01), Chiang
patent: 7387053 (2008-06-01), Lee
patent: 7392727 (2008-07-01), Chiang
patent: 7481136 (2009-01-01), Chiang
patent: 2007/0214916 (2007-09-01), Lee

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