Screwdriver heads chamber for a precise screwdriver

Details Screwdriver heads chamber for a precise screwdriver Screwdriver heads chamber for a precise screwdriver

2006-02-14

2006-02-14

Wilson, Lee D. (Department: 3723)

Tools

Handle for tool

Having storage compartment

C081S177400, C081S439000, C007S127000

Reexamination Certificate

active

06997088

ABSTRACT:
A driver heads barrel for a precise screwdriver includes a handle, a stem, and a cover. The handle has a chamber to accommodate a stem and screwdriver heads therein. A groove is formed close to an outer end of the chamber. A reverse cone-shaped disc is formed at an inner end of the stem. The stem has a plurality of longitudinal partitions thereof. The cover has a barrel extending downwardly from one end. A ridge corresponding to the groove of the chamber is formed on the barrel. The disc of the stem is secured into the inner end of the chamber of the handle. The screwdriver heads are accommodated between the partitions and the chamber. The barrel of the cover is inserted into the chamber with the ridge engaging with the groove. The cover is pivotally connected to the outer end of the chamber of the handle.

REFERENCES:
patent: 3426813 (1969-02-01), Robertson
patent: 4716796 (1988-01-01), Corona et al.
patent: 4846042 (1989-07-01), Wetty
patent: 5740706 (1998-04-01), Tseng
patent: 6151997 (2000-11-01), Lin
patent: 6305815 (2001-10-01), Lin

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