Brakes – Internal-resistance motion retarder – Including seal or guide
Patent
1982-06-02
1984-03-27
Halvosa, George E. A.
Brakes
Internal-resistance motion retarder
Including seal or guide
188315, 18832217, 277187, 277188R, F16F 936
Patent
active
044388349
ABSTRACT:
An improved hydro-pneumatic damping unit includes a cylinder member, a piston rod extending through a central cavity in the cylinder member and within a guiding bore of a guiding and sealing unit at one end of the cylinder member, and a cylindrical container coaxially surrounding the cylinder member. The guiding and sealing unit includes a guiding member housed inside an axial section of the cylindrical container, and a bridging arrangement is arranged to center the guiding member relative to the container. At least the part of the guiding member which is housed inside the axial section of the container has an outer diameter which is smaller than the inner diameter of the container section. Also, the bridging arrangement includes an annular centering member between the container and the guiding member for radially centering the guiding member relative to the container, and an annular sealing member cooperative with the annular centering member seals the annular cavity in the axial direction of the container.
REFERENCES:
patent: 2276406 (1942-03-01), Magrum
patent: 2458206 (1949-01-01), Rossmann
patent: 2606630 (1952-08-01), Rossmann
patent: 2653683 (1953-09-01), Strauss
patent: 3446318 (1969-05-01), Duckett
patent: 3592164 (1971-07-01), Schultze
patent: 3661236 (1972-05-01), Wossner
patent: 3798744 (1974-03-01), Smith
patent: 3874485 (1975-04-01), Smith
patent: 4057236 (1977-11-01), Hennells
patent: 4240531 (1980-12-01), Postema
Handke Gunther
Kopic Johachim
Fichtel & Sachs AG
Halvosa George E. A.
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