Gas spring

Details Gas spring Gas spring

1978-10-12

1980-08-26

Kazenske, Edward R.

Spring devices

Vehicle

Comprising compressible fluid

141 4, 188352, F16F 943

Patent

active

042191904

ABSTRACT:
A gas spring includes a cylinder, a piston working in the cylinder, a piston rod with one end secured to the piston and another end extending out of the cylinder through one end thereof, and a seal ring slidably disposed in the cylinder and slidably and sealingly engaging with the piston rod. A gas passage is formed between the seal ring and the piston rod when the seal ring and the piston rod are positioned at a predetermined positional relationship. A seal supporting member is provided to prevent displacement of the seal ring toward the piston when the gas passage has been formed.

REFERENCES:
patent: 3361422 (1968-01-01), Theuleau
patent: 3927871 (1975-12-01), de Baan
patent: 4044866 (1977-08-01), Ishida

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