Structure of hand tool

Details Structure of hand tool Structure of hand tool

1997-04-14

1998-09-08

Quach, Y. My

Illumination

With implement or hand held holder therefor

Hand tool

362119, 81440, B25B 2318

Patent

active

058035842

ABSTRACT:
A hand tool includes a cylindrical casing which has a tapered front end, an annular groove around the tapered front end, and a plurality of tool bit grooves longitudinally extended from the tip of the tapered front end across the annular groove to the rear end of the casing, and a tool bit unit which includes a binding ring mounted in the annular groove of the casing, and a set of bits respectively pivoted to the binding ring and turned between a first position received in the tool bit grooves of the casing, and a second position retained in alignment with the casing longitudinally.

REFERENCES:
patent: 4440048 (1984-04-01), Stevens et al.
patent: 4476751 (1984-10-01), Mishima

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