Selective one-way bit-driving apparatus

Details Selective one-way bit-driving apparatus Selective one-way bit-driving apparatus

2005-12-20

2005-12-20

Meislin, Debra S (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S058400

Reexamination Certificate

active

06976409

ABSTRACT:
A selective one-way bit-driving apparatus includes a shaft for connection with a handle, a bit receiver including a plurality of teeth formed on an internal face, two one-way drivers pivotally connected with the shaft and each formed with a plurality of teeth for engagement with the teeth of the bit receiver and a switch installed on the shaft for causing the engagement of the teeth of at least one of the one-way drivers with the teeth of the bit receiver.

REFERENCES:
patent: 2744432 (1956-05-01), Rueb
patent: 6250183 (2001-06-01), Chiang
patent: 6349619 (2002-02-01), Liao
patent: 6644147 (2003-11-01), Huang

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