Parasitic crane

Details Parasitic crane Parasitic crane

1987-08-25

1989-04-04

Spar, Robert J.

Material or article handling

Vertically swinging load support

Shovel or fork type

212189, 414547, 414550, 414688, 414705, B66C 2300

Patent

active

048181722

ABSTRACT:
A crane has a twin post and a twin boom construction and provides for numerous degrees of freedom. The crane is a trailer and uses the weight of a vehicle to which it is attached for stability when it is in an operating mode. The crane has wheels which may be lifted off the ground to allow its positioning by a vehicle to which it is attached.

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patent: 4690609 (1987-09-01), Brown

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