Drive mechanism for trash compactors

Details Drive mechanism for trash compactors Drive mechanism for trash compactors

1976-12-10

1978-07-18

Wilhite, Billy J.

Presses

Reciprocating press construction

With mechanical force multiplier

74 8915, 744248R, 74521, 85 32K, 85DIG2, 100229A, B30B 118

Patent

active

041008502

ABSTRACT:
A trash compactor has a rotatable lead screw and stationary nut for raising and lowering the compacting ram by rotation of the screw. A housing surrounds the nut for preventing rotation of the nut with respect to the screw while permitting limited pivotal movement of the nut with respect to the housing responsive to eccentric compaction forces applied to the compacting ram. The housing is distortable for the same reason and to permit absorption of shocks arising from compaction. The nut may be formed of a self-lubricating plastic. The drive mechanism may be used in a trash compactor having an extensible linkage of the scissors jack or lazy tongs type in which the lead screw is journalled in one of the intermediate junction points of the linkage. The housing containing the nut is located at the other of the junction points so that rotation of the screw extends and retracts the linkage.

REFERENCES:
patent: 2561351 (1951-07-01), Fentress
patent: 3054145 (1962-09-01), Helpa
patent: 3714890 (1973-02-01), Moon
patent: 3863561 (1975-02-01), Karls
patent: 3945481 (1976-03-01), Lindberg
patent: 3977262 (1976-08-01), Randolph

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