Implements or apparatus for applying pushing or pulling force – Hoisting truck – Single throw lever
Patent
1997-03-13
1999-04-27
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Hoisting truck
Single throw lever
B66F 502
Patent
active
058971017
ABSTRACT:
A new Collapsible Engine Hoist for hoisting an engine of a vehicle and being collapsible for convenient and compact storage. The inventive device includes a base tube member with a base extension section having a caster wheel telescopically engaged to each end of the base tube member. Extending from the base tube member are a plurality of spaced apart leg tube members each with a leg extension section having a caster wheel telescopically engaged to the end of each the leg tube member. A support post member having a clevis bracket at one end is pivotally mounted on a support post base extending between the leg tube members to permit pivoting of the support member between an erect position and a collapsed position. Pivotally mounted to the clevis bracket is a lifting beaam tube member having extension beam section telescopically engaged to one end of the lifting tube member. The extension beam section includes a flexible member having a hook portion for suspending a load from it. A jack pivotally mounted on the support post member and detachably attached to the lift beam tube member provides a means for pivoting the lifting beam tube member relative to the support post member when in the erect position. At least one support brace pivotally mounted on the base tube member and detachably attached to the support post member provides support to the support post member when positioned in an erect position. A leg support brace extending between the leg tube members provides support to the lifting beam tube member when in the collapsed position.
REFERENCES:
patent: 4334668 (1982-06-01), Caris
patent: 5076448 (1991-12-01), Ballard
patent: 5203540 (1993-04-01), Lee
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