Screw positioning device for a screwdriver

Details Screw positioning device for a screwdriver Screw positioning device for a screwdriver

2006-10-24

2006-10-24

Hail, III, Joseph J. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

C081S439000, C081S460000, C081S461000

Reexamination Certificate

active

07124665

ABSTRACT:
A screw positioning device for a screwdriver comprises a connecting rod assembly, a screw positioning sleeve and a magnetic member. The screw positioning sleeve is axially defined with a slide hole for insertion of an end of the connecting rod assembly, the magnetic member is installed on inner peripheral surface of a front end of the screw positioning sleeve, the screw positioning sleeve is axially positioned at the end of the connecting rod assembly, and the positioning sleeve can move back and forth a predetermined distance with respective to the connecting rod assembly.

REFERENCES:
patent: 5724873 (1998-03-01), Hillinger
patent: 5996452 (1999-12-01), Chiang
patent: 6138538 (2000-10-01), Neijndorff
patent: 6148699 (2000-11-01), Han
patent: 6666114 (2003-12-01), Lin
patent: 6931967 (2005-08-01), Chang

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