Double piano hinge vehicle suspension

Details Double piano hinge vehicle suspension Double piano hinge vehicle suspension

1992-11-16

1993-06-29

Focarino, Margaret A.

Land vehicles

Skates

Ball type roller skates

2801121, 267279, 267284, 267285, 267153, B60G 902, B60G 1123, F16F 136

Patent

active

052227626

ABSTRACT:
A suspension system for compensating road-borne loads applied selectively to one end of a vehicle wheeled axle. The suspension system includes a pair of elongated rigid tubes, extending longitudinally over opposite sides of the wheel axle, and supported thereover by corresponding upright posts anchored to the intermediate section of the wheel axle. Each post and associated tube have a number of lateral interdigitating hollow ears, wherein the tube and post are pivotally interconnected by a lengthwise rubber shaft. A bottom frame beam from the vehicle body extends laterally outwardly of each corresponding tube, and includes a plurality of ears interdigitating with additional ears from the proximate tube for through engagement by another rubber shaft, for pivotally interconnecting the beam to the tube. In normal condition, each beam ear rubber shaft is downwardly offset relative to the post ear rubber shaft. Thus, as the axle on one side of the vehicle is lifted following a road-borne load, the vehicle beam on that side will sink as well as move inwardly toward the intermediate portion of the axle, due to the deformation of the rubber shafts, whereas the vehicle beam on the opposite side will raise as well as move outwardly away from the intermediate axle portion.

REFERENCES:
patent: 2362483 (1944-11-01), Hickman
patent: 2542026 (1951-02-01), Hickman
patent: 2715022 (1955-08-01), Krotz
patent: 2770468 (1956-11-01), Willingham
patent: 2784978 (1957-03-01), Seale

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