Brakes – Internal-resistance motion retarder – Including seal or guide
Patent
1992-02-25
1994-01-11
Oberleitner, Robert J.
Brakes
Internal-resistance motion retarder
Including seal or guide
277 95, 285 95, F16F 936, F16J 1534, F16L 1704
Patent
active
052772845
ABSTRACT:
In a spring strut a piston rod is guided through a sealing ring which is accommodated within a groove. This groove has a localization line which has varying height above a reference plane axially fixed and orthogonal with respect to the axis of the cylinder of the spring strut. The groove is confined by two groove confining members which are shaped such that they can be manufactured by a non-cutting shaping process, such as injection-moulding or sintering.
REFERENCES:
patent: 2299216 (1942-10-01), Ericsson
patent: 2444874 (1948-07-01), Hanson
patent: 4175755 (1979-11-01), Geary
patent: 4212473 (1980-07-01), Arai
patent: 4544167 (1985-10-01), Giroux
Fenn Gerald
Pradel Robert
Fichtel & Sachs AG
Muratori Alfred
Oberleitner Robert J.
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