Compact artificial hand

Details Compact artificial hand Compact artificial hand

1977-09-27

1979-04-17

Crowder, Clifford D.

Material or article handling

Apparatus particularly adapted for charging or discharging a...

With means to transfer, or facilitate transfer of, vehicle...

3 11, 414 6, A61F 106, B25J 300

Patent

active

041492781

ABSTRACT:
A compact and relatively simple artificial hand, which includes hooks pivotally mounted on a first frame to move together and apart, the first frame being rotatably mounted on a second frame to enable "turning at the wrist" movement without limitation, and the second frame being pivotally mounted on a third frame to permit "flexing at the wrist" movement. A hook-driving motor is fixed to the second frame but has a shaft that drives a speed reducer on the first frame which, in turn, drives the hooks. A second motor mounted on the second frame, turns a gear on the first frame to rotate the first frame and the hooks thereon. A third motor mounted on the third frame, turns a gear on a second frame to pivot it.

REFERENCES:
patent: 2557792 (1951-06-01), Maguth
patent: 2640994 (1953-06-01), Alderson
patent: 2701370 (1955-02-01), Alderson
patent: 3007176 (1961-11-01), Hafner
patent: 3043448 (1962-07-01), Melton
patent: 3066805 (1962-12-01), Sullivan
patent: 3155240 (1964-11-01), Eude et al.
patent: 3202449 (1965-08-01), Lemelson
patent: 3451224 (1969-06-01), Colechia et al.
patent: 3952880 (1976-04-01), Hill et al.
patent: 4068763 (1978-01-01), Fletcher et al.

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