Multi-purpose mobile hoist

Details Multi-purpose mobile hoist Multi-purpose mobile hoist

1994-08-01

1998-05-12

Underwood, Donald W.

Material or article handling

Vertically swinging load support

414607, 212253, G66F 1900

Patent

active

057496978

ABSTRACT:
A boom hoist is disclosed having top and bottom mast sections joined together midway of an upstanding mast at a swivel joint defined by mating flange faces where the top mast section rotates about a central core extending into each mast section. A boom arm is pivotally carried by the top mast section and a universal attachment base is carried by the bottom mast section having a tongue connection for connecting the hoist to a plurality of associated structures for hoist operation. Advantageously, a side mount assembly for mounting the hoist near a side of a vehicle, a three-point hitch mount assembly for mounting the hoist to a farm tractor, a fork lift mount assembly, a floor mount assembly, and a roller frame mount assembly are provided for the hoist.

REFERENCES:
patent: 2547398 (1951-04-01), Lee
patent: 4067471 (1978-01-01), Roatcap
patent: 4264252 (1981-04-01), Jennings et al.
patent: 4881864 (1989-11-01), Amato
patent: 5211526 (1993-05-01), Robinette

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