Unitary seal for gas pressure spring assembly

Details Unitary seal for gas pressure spring assembly Unitary seal for gas pressure spring assembly

1988-08-19

1990-06-19

Kashnikow, Andres

Spring devices

Fluid

Expansible-contractible chamber device

18832217, 277152, F16F 936

Patent

active

049346687

ABSTRACT:
A multi-purpose seal assembly for a gas-pressurized spring including a rigid positioning unit and an elastomeric body portion covering part of the positioning unit. The positioning unit is of generally annular form with a cylindrical outer diameter alignment surface and an inner diameter cylindrical guide surface. The elastomeric body portion includes spaced apart bevelled surfaces tapering toward each other to define an annular, radially outwardly acting static seal lip, and at least one pair of bevelled surfaces tapering towards each other to define a radially inwardly acting primary sealing lip.

REFERENCES:
patent: 2994571 (1961-08-01), Peras
patent: 3368650 (1968-02-01), Wasdell
patent: 4053166 (1977-10-01), Domkowski
patent: 4166628 (1979-09-01), Blaydon
patent: 4261583 (1981-04-01), de Vries

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