Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
Reexamination Certificate
2006-05-30
2006-05-30
Thomas, David B. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Having work engaging and force exerting portion inserted...
C081S490000, C081S177400, C403S290000
Reexamination Certificate
active
07051626
ABSTRACT:
A screwdriver includes a main body, an end cap, a holding seat, and a release mechanism. Thus, the holding seat and the end cap are removed from the main body easily and rapidly, thereby facilitating the user taking or placing the tips mounted in the mounting holes of the holding seat. In addition, the user only needs to press the push button of each of the two push button sets of the release mechanism so as to detach the holding seat and the end cap from the main body, thereby facilitating the user removing the holding seat and the end cap from the main body.
REFERENCES:
patent: 5662013 (1997-09-01), Lin
patent: 5957014 (1999-09-01), Tseng et al.
patent: 6332532 (2001-12-01), Lee
Chen Siou Ru
Chen Yi Ying
Lin Su Fen
Baxley Charles E.
Muller Bryan
Thomas David B.
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