Silo unloader winch drive

Details Silo unloader winch drive Silo unloader winch drive

1977-04-18

1979-01-02

Sheridan, Robert G.

Implements or apparatus for applying pushing or pulling force

Device or member for contacting and guiding moving cable

Including rotatable, cable contacting, pulley wheel element

64 28M, 74665B, 254171, 2541871, B65G 6538, B66D 124, F16H 3706

Patent

active

041323220

ABSTRACT:
A winch with a cable suspending a silo unloader in a silo; the winch having a gear mechanism and an input shaft operating a worm; a reversible motor connected with the input shaft; an incremental drive for incrementally turning the input shaft for incrementally paying out the cable including a slow speed motor with a revolving eccentric operating an oscillating drive arm, with a pawl to incrementally rotate a ratchet wheel coupled by a magnetic clutch to a drive plate affixed on the input shaft.

REFERENCES:
patent: 2888253 (1959-05-01), Van Dusen
patent: 3229828 (1966-01-01), Kucera
patent: 3462199 (1969-08-01), Harris et al.
patent: 3477695 (1969-11-01), Noly
patent: 3531087 (1970-09-01), Wilson
patent: 3539058 (1970-11-01), Ferris

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