Bumper mounted foldable crane hoist

Details Bumper mounted foldable crane hoist Bumper mounted foldable crane hoist

1981-07-02

1983-12-06

Blix, Trygve M.

Material or article handling

Self-loading or unloading vehicles

Loading or unloading by other carrier or mover means, and...

212182, 212189, 212252, 212266, 414467, 414545, 414549, B60P 100, B60P 104, B66C 2326, B66C 2364

Patent

active

044190387

ABSTRACT:
A foldable hoist assembly has an elongated column with a boom pivotally mounted at its outer end to be moveable from a stored position alongside the column to its operating position. A spindle with radial and thrust bearings in the support column base provides rotary support so that loads suspended from the bottom can be swung over and away from the load bed. The base of the support column is also pivotally mounted on a horizontal support structure affixed to the vehicle chassis, preferably in the position of a bumper below te rear edge of the load bed. With boom stored alongside, the support column is rotated from its upright operating position to be supported horizontally within the support structure leaving the load bed unobstructed.

REFERENCES:
patent: 2487305 (1949-11-01), Bridegroom
patent: 3139198 (1964-06-01), Penny et al.
patent: 3471070 (1969-10-01), Olson
patent: 3501170 (1970-03-01), Da Valle
patent: 3614136 (1971-10-01), Dent
patent: 3854594 (1974-12-01), Brookes
patent: 4109930 (1978-08-01), Pihall
patent: 4127295 (1978-11-01), Robinson
patent: 4138152 (1979-02-01), Prue

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