Gas spring with an anti-rattle piston assembly

Details Gas spring with an anti-rattle piston assembly Gas spring with an anti-rattle piston assembly

1989-12-28

1991-02-05

Reger, Duane A.

Brakes

Internal-resistance motion retarder

Including seal or guide

267129, F16F 936

Patent

active

049897004

ABSTRACT:
Rattling of the piston against the tube in a gas spring due to transient lateral loads on the piston are inhibited by engagement of the base of the piston ring groove with internal projections of a serrated inner edge of the sealing ring. Assurance against seizure of the sealing ring to the piston and preservation of a minimum width of the face seal between the sealing ring and the ringland to ensure against leakage are provided.

REFERENCES:
patent: 374080 (1887-11-01), Nickerson
patent: 1616091 (1927-02-01), Scott
patent: 3837445 (1974-09-01), Pierle
patent: 3976287 (1976-08-01), Kendall et al.
patent: 3991862 (1976-11-01), Tanabe
patent: 4438833 (1984-03-01), Schafer
patent: 4466514 (1984-08-01), Molders et al.
patent: 4467899 (1984-08-01), Molders et al.
patent: 4809828 (1989-03-01), Nakazato

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