Bit-driving apparatus

Details Bit-driving apparatus Bit-driving apparatus

2006-10-17

2006-10-17

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S058400

Reexamination Certificate

active

07121168

ABSTRACT:
A bit-driving apparatus is provided between a handle and a bit. The bit-driving apparatus includes a hollow shaft and a bit receiver. The hollow shaft includes a first section for connection with the handle and a second section. The bit receiver includes a first space for receiving the second section of the hollow shaft and a second space for receiving the bit. The hollow shaft drives the bit receiver through a driver. At least one connector connects the internal wall of the first space of the bit receiver with the periphery of the second section of the hollow shaft.

REFERENCES:
patent: 6349619 (2002-02-01), Liao
patent: 6393949 (2002-05-01), Ho
patent: 6450067 (2002-09-01), Liao
patent: 6622597 (2003-09-01), Chen
patent: 6976409 (2005-12-01), Shu
patent: 7066054 (2006-06-01), Liu
patent: 2002/0170392 (2002-11-01), Chen

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