Screw holding and driving device

Details Screw holding and driving device Screw holding and driving device

1985-12-13

1988-04-12

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

B25B 2308

Patent

active

047366583

ABSTRACT:
An improved screw holding and driving device having a sleeve positioned on a shank of a screwdriver in surrounding relation. The interior diameter of the sleeve being sized to permit slidable rotation of the sleeve with respect to the shank. The sleeve having a ball detent device for cooperating with a groove located on the screwdriver shank to hold the sleeve in a position on the shank where the sleeve does not extend beyond the screwdriver bit. The ball detent device when engaging the groove enables the sleeve to be held in the position where the sleeve will not be used to hold a screw and at the same time permit the sleeve to be freely rotatable on the shank of the screwdriver.

REFERENCES:
patent: 772912 (1904-10-01), Allam
patent: 2621688 (1952-12-01), Wales
patent: 2758494 (1956-08-01), Jenkins
patent: 3517714 (1970-06-01), Desbarats
patent: 3884282 (1975-05-01), Dobrosielski

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