Collapsible boom for vehicles

Details Collapsible boom for vehicles Collapsible boom for vehicles

1975-01-30

1976-09-14

Paperner, L. J.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

Conduit snakes

214 86A, B66C 2360

Patent

active

039802760

ABSTRACT:
A lightweight collapsible boom assembly is disclosed. It is particularly suitable for use with a multipurpose vehicle of the type used in emergency rescue operations because it can be stored in a limited space within the vehicle and quickly removed and installed for lifting heavy objects with a winch and cable. Connecting means pivotally attach a pair of upper members to an upright member in an aligned parallel relationship for storage, and guide movement of the members into a spread apart relationship for reacting cable loads when the upper members are installed on the vehicle. The disclosed preferred embodiment utilizes an adjustable length upright member attached to a lower strut secured to the vehicle. A support device, optionally either a shoe or wheel, reacts vertical loads from the upright member and the lower strut.

REFERENCES:
patent: 2470857 (1949-05-01), Lathers, Jr.
patent: 2616666 (1952-11-01), Honey
patent: 2907473 (1959-10-01), Garnett
patent: 3794296 (1974-02-01), Hasstedt
patent: 3827586 (1974-08-01), Lambert, Sr.

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