Reversible screwdriver

Details Reversible screwdriver Reversible screwdriver

1996-07-26

1997-05-27

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

811774, B25B 1300

Patent

active

056321864

ABSTRACT:
A reversible screwdriver includes a handle, a screw cap and a socket respectively fastened to two opposite ends of the handle, a shaft fastened to a bottom center hole of the socket by a clamp, and a rotating knob mounted around the shaft for controlling the working direction of the shaft. The rotating knob includes a barrel mounted in a rectangular chamber inside the socket and has four longitudinal slots around the periphery and four round rods in the longitudinal slots for supporting the shaft, a hand wheel coupled to the barrel, a wire rod fastened to the barrel and moved by, the hand wheel relative to the triangular stop block of the socket to control the working direction of the shaft.

REFERENCES:
patent: 1878053 (1932-09-01), Winger
patent: 2649176 (1953-08-01), Winger
patent: 3006395 (1961-10-01), Dye
patent: 5218892 (1993-06-01), Napoli
patent: 5406866 (1995-04-01), Badiali

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