Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
Reexamination Certificate
2006-09-26
2006-09-26
Thomas, David B. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Having work engaging and force exerting portion inserted...
C081S177850
Reexamination Certificate
active
07111530
ABSTRACT:
A screwdriver fast connector is comprised of a shank including an insertion channel, an accommodation hole with a coil, an accommodation channel, and an elastic member penetrating the shank in radius; a locking member including a steel bead; and a slide member including a sleeve, an elastic member and a C-clamp, a first accommodation and a second accommodation spaces being provided to the sleeve; and the steel bead holding against a retaining part between both accommodation spaces so to fast mounting and removal of the tip by moving the steel bead.
REFERENCES:
patent: 3255792 (1966-06-01), Beck
patent: 5996452 (1999-12-01), Chiang
patent: 6722667 (2004-04-01), Cantlon
patent: 6920810 (2005-07-01), Thompson et al.
patent: 6953196 (2005-10-01), Huang
patent: 6973858 (2005-12-01), Huang
patent: 2005/0045002 (2005-03-01), Cluthe
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