Easy storage precision screwdriver

Details Easy storage precision screwdriver Easy storage precision screwdriver

2007-12-11

2007-12-11

Meislin, D. S. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

C081S490000

Reexamination Certificate

active

11557232

ABSTRACT:
An easy storage precision screwdriver comprises a handle, a cover disposed on one end of the handle, a post disposed on the cover and located in the handle, a pressing ring threaded on the other end of the handle, and a working post inserted into the handle and fixed by the pressing of the pressing ring. Since the handle and the post are defined with a containing hole and a through hole respectively, when the user releases the pressing ring, the length of the working post with respect to the handle can be adjusted, and one end of the working post can be inserted into the containing hole and the through hole of the handle and the post. Thereby the precision screwdriver of the present invention is miniaturized, and is easy to store.

REFERENCES:
patent: 6508156 (2003-01-01), Wei
patent: 6997088 (2006-02-01), Hu
patent: 7021181 (2006-04-01), Chi
patent: 7039975 (2006-05-01), Liao

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