Lift-a-top plus

Details Lift-a-top plus Lift-a-top plus

1998-03-02

2000-01-25

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Vehicle-body lifters

Cable hoist

254127, B66F 726

Patent

active

060170182

ABSTRACT:
An apparatus used to lift and lower an object, such as a canopy covering placed on a truck's opened bed. A T-shaped load engaging platform member has a vertically adjustable sleeve mounted on the platform's vertical member whose position on the member can be adjusted and fixed along its height. A combined winch and cable controlled pivoted arm assembly having two joined pivotally arms, one of which arms is pivotally mounted to a vertical stationary support structure at its other end, is used to vertically support the engaging platform member above the ground at the end opposite the stationary support. A single operator can both raise and lower a load supported on the platform by rotating a handle on the winch assembly and directing the movement of the supported load.

REFERENCES:
patent: 3738517 (1973-06-01), Luse
patent: 3743125 (1973-07-01), Ashley, Jr.
patent: 3758074 (1973-09-01), Jeffries et al.
patent: 3841603 (1974-10-01), Lund et al.
patent: 3868088 (1975-02-01), Reeves
patent: 3931957 (1976-01-01), Thibodeaux
patent: 4497469 (1985-02-01), Barnhouse
patent: 4600177 (1986-07-01), Fritz

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