Seal for gas spring

Details Seal for gas spring Seal for gas spring

1987-04-15

1991-04-30

Butler, Douglas C.

Spring devices

Vehicle

Comprising compressible fluid

92168, 267 6428, 277 27, 277177, F16F 500

Patent

active

050111213

ABSTRACT:
A gas spring having a cylinder, a piston within the cylinder and a piston rod projecting out of the cylinder. A seal between the rod and cylinder is formed by a cup-shaped member presenting an inwardly-projecting skirt that functions as a one-way check valve. A second or inner seal may be optionally placed within the cup-shaped member to form a lubricant-retaining chamber.

REFERENCES:
patent: Re28329 (1975-02-01), Nicholls
patent: 2054863 (1936-09-01), Oliver
patent: 2196337 (1940-04-01), Loweke
patent: 2349346 (1944-05-01), Goepfrich
patent: 2643147 (1953-06-01), Funkhouser et al.
patent: 3190635 (1965-06-01), Wustenhagen et al.
patent: 3197191 (1965-07-01), Axthammer
patent: 3207498 (1965-09-01), Wustenhagen et al.
patent: 3214182 (1965-10-01), Herbrugger
patent: 3287008 (1966-11-01), Fernandez
patent: 3595552 (1971-07-01), Nicholls
patent: 3788630 (1974-01-01), Koller
patent: 3804217 (1974-04-01), Keijzer et al.
patent: 3856287 (1974-12-01), Freitag
patent: 3919509 (1975-11-01), Schnitzius
patent: 4030716 (1977-06-01), Freitag
patent: 4108423 (1978-08-01), Skubal
patent: 4114866 (1978-09-01), Kato
patent: 4194731 (1980-03-01), Marx
patent: 4219190 (1980-08-01), Nagase
patent: 4230309 (1980-10-01), Schnitzius
patent: 4263488 (1981-04-01), Freitag et al.
patent: 4270635 (1981-06-01), Wossner
patent: 4335871 (1982-06-01), Molders
patent: 4475577 (1984-10-01), Cubalchini
patent: 4491160 (1985-01-01), Axthammer et al.
patent: 4544144 (1985-10-01), Ishida et al.
patent: 4548389 (1985-10-01), Smith et al.
patent: 4556092 (1985-12-01), Cubalchini
patent: 4635908 (1987-01-01), Ludwig
patent: 4650044 (1987-03-01), Gugle

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