Land vehicles – Wheeled – Occupant propelled type
Patent
1990-02-26
1991-07-23
Marmor, Charles A.
Land vehicles
Wheeled
Occupant propelled type
280DIG1, 280772, B62K 2700
Patent
active
050337629
ABSTRACT:
A suspension system for a sidecar-type motorcycle which operates to maintain the motorcycle in a level, vertical disposition irrespective of uneven terrain being traversed by the motorcycle. The sidecar wheel is mounted on a beam which is pivotally mounted at one end on the sidecar frame. The lower end of a shock absorber is pivotally connected to the other end of the beam and the upper end of the shock absorber is connected to a lever which is pivotally mounted on the sidecar frame and which is operated by an extensible motor. The extensible motor may comprise a screw jack, an air cylinder, or a hydraulic cylinder. The extensible motor is operated either automatically by a level sensing device carried by the motorcycle or manually by the operator. In either case, extension or retraction of the extensible motor operates to raise and lower the side car wheel relative to the sidecar frame so as to maintain the sidecar frame in a level disposition irrespective of unevenness in the terrain over which the motorcycle is being operated.
REFERENCES:
patent: 4078815 (1978-03-01), Vetter
patent: 4415056 (1983-11-01), Smith
patent: 4597584 (1986-07-01), Hanser
patent: 4826205 (1989-05-01), Kouda et al.
patent: 4830394 (1989-05-01), Tanaka et al.
patent: 4838563 (1989-06-01), Konishi et al.
Kagen Alan M.
Marmor Charles A.
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