Rocking platform for the positioning of vehicles above ground le

Details Rocking platform for the positioning of vehicles above ground le Rocking platform for the positioning of vehicles above ground le

1979-05-30

1980-12-09

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Inclined plane lifter

187 843, 254 94, B66F 722

Patent

active

042381142

ABSTRACT:
The rocking platform for the positioning of vehicles above ground level comprises a supporting structure for sustaining a pair of parallel longitudinal rails which define the vehicle loading surface. The supporting structure presents a cradle-shaped base having the form of a dihedron with the convexity directed towards the ground. The cradle-shaped base is formed by two bearing planes, one of which is parallel to the loading surface, while the other is inclined with respect thereto. The rails extend, with access extremities, for a substantial length above and beyond one extremity of the parallel bearing plane in the direction of the inclined bearing plane. The platform is rockable from a horizontal position, in which the supporting structure rests on the parallel bearing plane, to an inclined position in which the supporting structure rests on the inclined bearing plane. In the inclined position of the platform the vehicle is caused to move up along the access extremities of the rails, until it promotes the rocking of the platform when the common barycenter of vehicle and platform passes beyond the fulcrum axis defined by the edge of the dihedron.

REFERENCES:
patent: 2836261 (1958-05-01), Neilson
patent: 3048237 (1962-08-01), Rutherford

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