Land vehicles – Wheeled – Occupant propelled type
Patent
1976-07-01
1979-03-20
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Occupant propelled type
280708, 280714, B62K 2508
Patent
active
041450671
ABSTRACT:
A suspension system for a wheel driven, frame mounted motor vehicle including an inner rigid body telescoped into an outer rigid body with the pair of bodies interconnected between the wheel and the frame. A piston in the inner body extends into a piston chamber formed in the outer body. A connecting body having an expansion chamber formed therein is connected to the outer body, and has a deformable envelope disposed in the expansion chamber filled with compressible fluid under pre-determined pressure. Hydraulic fluid fills the piston chamber and the expansion chamber. Valve means are connected to communicate hydraulic fluid between the piston chamber and the expansion chamber responsive to the piston movement whereby the deformable envelope will be compressed.
The valve means includes an inlet valve and an outlet valve with a recess formed in the piston chamber axially therebetween to limit and direct the fluid into the inlet valve. Both the inlet valve and the outlet valve are unidirectional. Two suspension systems or shock absorbers can serve as a fork for a motorcycle type vehicle.
REFERENCES:
patent: 2475774 (1949-07-01), Benson
patent: 3036844 (1962-05-01), Vogel
patent: 3077345 (1963-02-01), Andersson
patent: 3148871 (1964-09-01), Wilkins
patent: 3201110 (1965-08-01), Taccone
patent: 3451510 (1969-06-01), Hartwig
patent: 3550992 (1970-12-01), Grancon
patent: 3989261 (1976-11-01), Kawaguchi
ARCES S.r.l.
Peters Jr. Joseph F.
Siemens Terrance L.
Weingram Edward R.
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