Ratchet screwdriver with a replaceable bit magazine unit

Details Ratchet screwdriver with a replaceable bit magazine unit Ratchet screwdriver with a replaceable bit magazine unit

2007-07-03

2007-07-03

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S439000, C081S490000

Reexamination Certificate

active

11217630

ABSTRACT:
A ratchet screwdriver includes a screwdriver body, a magazine body journalled and disposed removably within the screwdriver body for receiving a plurality of bits, and a ratchet unit disposed on a front end of the screwdriver body. A driving rod is movable in the screwdriver body between a front limit position, where a selected one of the bits projects from the ratchet unit for performing a screw driving operation, and a rear limit position, where the magazine body can be removed from the screwdriver body.

REFERENCES:
patent: 6134995 (2000-10-01), Shiao
patent: 6196093 (2001-03-01), Hu
patent: 6502484 (2003-01-01), Pao-Hsi
patent: 6601483 (2003-08-01), Wannop
patent: 6658970 (2003-12-01), Shiao
patent: 7000509 (2006-02-01), Shiao
patent: 7039975 (2006-05-01), Liao
patent: 7107876 (2006-09-01), Chen

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