Spring devices – Fluid – Expansible-contractible chamber device
Patent
1977-10-26
1979-05-15
Halvosa, George E. A.
Spring devices
Fluid
Expansible-contractible chamber device
74 182, 92155, 92158, 137860, 184 24, 267 65R, 267130, F16F 910
Patent
active
041544340
ABSTRACT:
A flexible boot surrounds a piston rod and is sealed at one end to the free end portion of the piston rod and at its other end to the rod end of the associated cylinder. The head end of the cylinder is connected to a source of gas under pressure and the interior of the boot communicates freely with the interior of the cylinder at the rod end thereof. A check valve is provided for relieving the pressure in the boot when it reaches a predetermined value.
REFERENCES:
patent: 2149040 (1939-02-01), Binder et al.
patent: 2163255 (1939-06-01), Binder et al.
patent: 2394364 (1946-02-01), Christensen
patent: 2668549 (1954-02-01), Lebus
patent: 2904961 (1959-09-01), Herbert
patent: 3363644 (1968-01-01), Malec
patent: 3947005 (1976-03-01), Wallis
patent: 4005763 (1977-02-01), Wallis
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