Precise load positioner

Details Precise load positioner Precise load positioner

1981-05-13

1982-11-30

Jillions, John M.

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

254362, 254375, B66D 148, B66D 530

Patent

active

043613128

ABSTRACT:
A device for precisely positioning a hoist suspended load which operates by temporarily releasing the hoist brake for a predetermined limited time period without actuating the hoist motor so that the load is lowered through a small incremental distance by the influence of its own weight. A control signal may be generated by a delay timer, a repeat cycle timer, a digital timing device or a device for detecting the degree of movement of the load carried by the hoist.

REFERENCES:
patent: 2403125 (1946-07-01), Santini et al.
patent: 2656027 (1953-10-01), Crookston
patent: 2752120 (1956-06-01), Bogle
patent: 2912224 (1959-11-01), Logan
patent: 3053344 (1962-09-01), Buck
patent: 3883859 (1975-05-01), Ancheta
patent: 4087078 (1978-05-01), Joraku et al.

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