Load balancing lifting apparatus

Details Load balancing lifting apparatus Load balancing lifting apparatus

1997-07-29

1998-11-17

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Cable and hook tackle

254390, B66C 112, B66D 304

Patent

active

058366326

ABSTRACT:
Apparatus for balancing and lifting a load supported from opposite ends of a cable or chain and which includes a sheave engageable by the cable or chain and through which extends a pin member. The pin member is radially offset from the center of the sheave and is supported, at opposite ends thereof, by structural members which may be attached to a source of lifting power.

REFERENCES:
patent: 2356147 (1944-08-01), Caldwell
patent: 2629625 (1953-02-01), Phillips
patent: 2838336 (1958-06-01), Archer
patent: 4097083 (1978-06-01), Schwartz
patent: 4139179 (1979-02-01), Kukulski
patent: 4762355 (1988-08-01), Hogg

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