Screwdriver, particularly for surgical purposes

Details Screwdriver, particularly for surgical purposes Screwdriver, particularly for surgical purposes

1986-10-15

1988-08-16

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

81438, B25B 2310

Patent

active

047635487

ABSTRACT:
A screwdriver is provided which engages the head of the screw, and also grips the screw. The screwdriving and gripping assemblage may be readily interchanged with another in the handle of the screwdriver. Opening and closing of gripping jaws is effective by the sliding of an outer sleeve which surrounds another sleeve of which the gripping jaws form a part, and which other sleeve is slidable on the shaft of the screwdriver. The handle comprises a front part and a rear part which are rotatably connected together for rotation of the forward part and of the screwdriver shaft, while the rear part is held fixed.

REFERENCES:
patent: 1049650 (1913-01-01), Benjamin
patent: 2010210 (1935-08-01), Witt
patent: 2302691 (1942-11-01), Green
patent: 2370407 (1945-02-01), McCartney
patent: 2762408 (1956-09-01), Baldwin
patent: 2775276 (1956-12-01), Rossner
patent: 2933114 (1960-04-01), Bystrom
patent: 2952285 (1960-09-01), Roosli
patent: 3436086 (1969-04-01), Glenzer
patent: 3498351 (1970-03-01), Edwards et al.
patent: 3529842 (1970-09-01), Benjamin et al.
patent: 3957096 (1976-05-01), Rodman
patent: 4093008 (1978-06-01), Martin
Drawing No. 10958/9014 of the Firm of Robert Schroder, 5600 Wuppertal, Mar. 1969.

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