Quick release device for releasing screw bit from socket

Details Quick release device for releasing screw bit from socket Quick release device for releasing screw bit from socket

2006-11-07

2006-11-07

Meislin, D. S. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

C081S124100, C081S124700, C081S125000, C279S155000

Reexamination Certificate

active

07131358

ABSTRACT:
A quick release bit socket assembly includes a socket and a screw bit is removably inserted in a first recess in a first end of the socket. A second recess is defined in a second end of the socket and a passage is in communication between the first and second recesses. A push rod includes a head and a shank which extends through the first recess, the passage and is inserted in the second recess. A spring is mounted to the shank and biased between the head and an inside of the first recess. The screw bit can be quickly pushed out from the second passage by pushing the push rod toward the screw bit.

REFERENCES:
patent: 1317455 (1919-09-01), Perrine
patent: 3224302 (1965-12-01), Cooley, Sr.
patent: 4787278 (1988-11-01), Bononi
patent: 5819606 (1998-10-01), Arnold
patent: 5960682 (1999-10-01), Yamashita
patent: 2002/0026859 (2002-03-01), Suzuki

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