Chuck for holding and driving fasteners, such as screws or nails

Details Chuck for holding and driving fasteners, such as screws or nails Chuck for holding and driving fasteners, such as screws or nails

1979-04-23

1980-12-09

Godici, Nicholas P.

Tools

Wrench, screwdriver, or driver therefor

Responsive to movement of work

144 32R, 279 75, 81451, B25B 2310

Patent

active

042379466

ABSTRACT:
A chuck for holding and driving fasteners such as screws or nails comprises a spring-loaded bearing sleeve with fastener-clamping balls and a spring-loaded clamping sleeve tapered to constrict the balls around the shank of a fastener inserted into the chuck, the clamping sleeve having a space to receive the balls during insertion of the fastener and for releasing the fastener, after completion of the driving operation.

REFERENCES:
patent: 2840126 (1958-06-01), Schmitt
patent: 3967664 (1976-07-01), Lesner et al.

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