Tool bit driver with spring retainer

Details Tool bit driver with spring retainer Tool bit driver with spring retainer

1988-03-30

1988-11-29

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

81125, 81452, 279 79, 279102, B25B 2300

Patent

active

047872780

ABSTRACT:
In a tool bit driver, a body suitable for mounting on a square drive of a socket wrench is provided with a bit socket adapted for receiving a tool bit at one end of the body, and diametrically opposed grooves are formed to extend longitudinally within the socket. A spring is provided with resilient fingers seated within the socket grooves, and reversely bent ends are formed on each spring finger for engaging the bit in surface-to-surface contact for positively and releasably securing the bit in a driving position within the socket.

REFERENCES:
patent: 2304271 (1942-12-01), Merriman et al.
patent: 2368902 (1945-02-01), Thompson
patent: 2475608 (1949-07-01), Gasparich
patent: 2800822 (1957-07-01), Allred
patent: 4535658 (1985-09-01), Molinari
patent: 4644831 (1987-02-01), Yang
Bit Driver "A" (FIGS. 1-3).
Bit Driver "B" (FIG. 4).
Bit Driver "C" (FIG. 5).

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