Split topping lift gear

Details Split topping lift gear Split topping lift gear

1980-11-05

1982-12-14

Sheridan, Robert G.

Traversing hoists

Having counterweight or counterbalancing means

Counterweight movable relative to load support

212262, B66C 2352

Patent

active

043634109

ABSTRACT:
A split topping lift gear with a boom swingable through a plane between a pair of posts includes the boom and a jib hingedly connected to the upper end of the boom. The jib is elongated, with its hinged connection to the boom located between its ends. A relieving cargo tackle is connected to each end of the jib. One cargo tackle can be connected to the boom socket while the other is free to carry a load. The jib is adjustably positionable about its hinged connection in a vertical plane.

REFERENCES:
patent: 3042222 (1962-07-01), Lehmann
patent: 3446362 (1969-05-01), Banks

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