Retractable driving tool

Details Retractable driving tool Retractable driving tool

1999-08-02

2000-12-05

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

811772, 81439, B25B 2300

Patent

active

061551449

ABSTRACT:
A retractable driving tool includes a driving stem slidably received in a handle and includes a number of teeth. A pawl is slidably engaged in the handle and is biased to engage with the teeth of the driving stem and for securing the driving stem to the handle and for allowing the driving stem to be moved relative to the handle when the pawl is moved against a spring. A spring is disposed between the rear end of the handle and the driving stem for moving the driving stem forward and outward of the handle. A slide is engaged between the spring and the driving stem.

REFERENCES:
patent: 2682414 (1954-06-01), Richardson
patent: 2822714 (1958-02-01), Paparelli
patent: 4328721 (1982-05-01), Massari
patent: 4581961 (1986-04-01), Lai
patent: 5024565 (1991-06-01), Pinand
patent: 5136900 (1992-08-01), Chapin
patent: 5878637 (1999-03-01), Liu
patent: 5931065 (1999-08-01), Jackson et al.
patent: 6029549 (2000-02-01), Baker
patent: 6032332 (2000-03-01), Lin
patent: 6044733 (2000-04-01), Liu

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