Bit holder device

Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...

Reexamination Certificate

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Details

C081S438000

Reexamination Certificate

active

10556304

ABSTRACT:
Provided is a bit holder device which is capable of driving a screw into a workpiece, while holding the screw having a groove in which a bit body is inserted, and which makes it possible to change the bit body without removing it from a chuck of an electric tool, etc.A bit holder device facilitating the attachment and detachment of a cylindrical body is also provided.A bit holder device for driving a screw, while holding the screw against detachment from a bit body with retaining a state where an end of the bit body is inserted in a groove on a head of the screw, has a cylindrical cover member removably fitted about the bit body from the end of the bit body, the cover member has an end including a magnetic attracting portion for magnetically attracting the head of the screw, and the bit body protrudes from the end of the cover member.

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