Implements or apparatus for applying pushing or pulling force – Inclined plane lifter
Patent
1991-03-21
1992-06-02
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Inclined plane lifter
B66F 1900, E02C 300
Patent
active
051180812
ABSTRACT:
A vehicular ramp including an inclined ramp surface cooperating with a horizontally disposed support plate includes a rear wall, with the rear wall mounting a web roll thereon, the web roll extends downwardly of the rear wall between spaced rear legs and forwardly of the ramp surface underlying a presser plate, wherein the presser plate is pivotally mounted adjacent a forward terminal end of the ramp and extends below the forward terminal end to overlie a web extending from the web roll minimizing abrasive wear to the web roll upon ascent of a vehicle of the ramp structure.
REFERENCES:
patent: 1871129 (1932-08-01), Pierce
patent: 2420130 (1947-05-01), Foss
patent: 2450648 (1948-10-01), Felzer
patent: 3990681 (1976-11-01), McKeen
patent: 4327896 (1982-05-01), Whitehead
patent: 4993685 (1991-02-01), Sparling
Gilden Leon
Watson Robert C.
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