Land vehicles – Wheeled – Articulated vehicle
Patent
1995-08-28
1997-11-25
Hurley, Kevin
Land vehicles
Wheeled
Articulated vehicle
280475, 254DIG1, B60S 900
Patent
active
056903480
ABSTRACT:
A sliding jack post stand for a trailer is capable of movement in either of two directions by application of downward force on a lever by an operator standing on one side of a trailer to be moved. A low friction plate is mounted above and spaced from a ground plate on an intermediate spacer and support plate. A slider having parallel side edges bent to enclose opposed side edges of the low friction and support plates in sliding relation supports the lower end of a trailer jack post. The slider has a fulcrum located opposite a series of nests formed in the base plate. The base plate also has a fulcrum located opposite a series of nests formed in the slider. Movement in a first linear direction is accomplished by a force applied downwardly on the handle of an articulated lever placed against one fulcrum and one of the series of nests. Movement in a second linear direction is accomplished by a force downwardly on the handle of the lever placed against the other fulcrum and one of the other nests thereby minimizing the opportunity for back injury.
REFERENCES:
patent: 3740077 (1973-06-01), Williams
patent: 4431208 (1984-02-01), Geeves
patent: 4537416 (1985-08-01), Linaburg
patent: 4911460 (1990-03-01), DePaula
patent: 4961589 (1990-10-01), Faurenhoff
patent: 5009444 (1991-04-01), Williams, Jr.
patent: 5195769 (1993-03-01), Williams, Jr.
patent: 5340143 (1994-08-01), Williams, Jr.
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