Automatic screwdriver

Details Automatic screwdriver Automatic screwdriver

1976-12-13

1978-09-19

Weidenfeld, Gil

Woodworking

Combined machine

Planing and matching

81125, 221263, 221278, 227116, 145 52, B25B 2300

Patent

active

041146638

ABSTRACT:
An automatic screwdriving and feeding apparatus has a screwdriver body with a tubular housing axially moveable thereon. Screw holding elements are mounted in the tubular housing and are resiliently biased inwardly, or are resiliently deformable, so as to hold a screw for driving. Drive means in the body can move axially relatively to engage the screw and apply rotary drive. Feed means supply screws one at a time to the screw holding elements.

REFERENCES:
patent: 2684698 (1954-07-01), Shaff
patent: 2840126 (1958-06-01), Schmitt
patent: 2845968 (1958-08-01), Luber
patent: 2985208 (1961-05-01), Hibbard et al.
patent: 3247874 (1966-04-01), MacDonald
patent: 3298410 (1967-01-01), Morifuji
patent: 3565315 (1971-02-01), Bixler
patent: 3875982 (1975-04-01), Mizu et al.
patent: 3895431 (1975-07-01), Froehlking
patent: 3958614 (1976-05-01), Bandera
patent: 3979978 (1976-09-01), Smolik
patent: 3982679 (1976-09-01), White, Jr.

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