Land vehicles – Wheeled – Running gear
Patent
1979-07-30
1981-07-07
Butler, Douglas C.
Land vehicles
Wheeled
Running gear
267 65D, 280689, B60G 1906
Patent
active
042770866
ABSTRACT:
A hydraulic damper system comprises a pair of cooperating cylinders. Each cylinder has a piston with a pressure face and the pressure faces of the pistons have substantially the same area. Each piston pressure face delimits an operating chamber in the respective cylinder. A separate hydraulic fluid delivery conduit is connected to the operating chamber of each cylinder and a shut-off valve is mounted in each conduit for selectively discontinuing hydraulic fluid delivery to the operating chambers and permitting hydraulic fluid delivery thereto.
REFERENCES:
patent: 3181877 (1965-05-01), McHenry
patent: 3356954 (1967-12-01), Gottschalk
Butler Douglas C.
Kelman Kurt
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