Crane with pivotal boom

Details Crane with pivotal boom Crane with pivotal boom

1986-03-25

1988-03-01

Basinger, Sherman D.

Traversing hoists

Having means facilitating assembly or disassembly

Of traversing hoist from support

212261, 212264, B66C 2344

Patent

active

047279958

ABSTRACT:
A tractor crane includes a boom having a root end adapted for pivotal mounting on a tractor, a load end which is adjustable in position relative to the root end, strut connector intermediate its ends, and load attachment device at or near the load end of the boom for attaching a load thereto. The crane further includes a strut having an upper end pivotally connected via the strut connector to the boom about an axis transverse to the boom and parallel to the pivotal axis at the root end. The strut also has a lower end with a mounting device for connection of the lifting arms of the three-point hitch of the tractor.

REFERENCES:
patent: 3044196 (1962-07-01), Kinney
patent: 3059785 (1962-10-01), Buckeye
patent: 3275296 (1966-09-01), Meyer
patent: 3471033 (1969-10-01), Prury
patent: 4226331 (1980-10-01), Dumond
Servis, Parts Catalog, Gold Star Post Hole Digger and Utility Crane, 3rd Ed. 6-5-75.

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