Spring devices – Friction snubber
Patent
1993-04-22
1995-05-09
Oberleitner, Robert J.
Spring devices
Friction snubber
267153, 188 83, 296 378, 16341X, 49381, F16F 100, B60N 312
Patent
active
054133173
ABSTRACT:
A damper for controlling the movement of a first member with respect to a second member including an arcuate surface on one of the members which engages the outer peripheral rim of an annular damping member rotatably mounted to the other member. The annular damping member preferably is made of a compressible material, and in one embodiment is made of an open-celled urethane foam. The annular damping member is mounted on an axle positioned to locate the annular damping member in compressible engagement with the arcuate surface such that the arcuate surface engages the outer peripheral rim of the annular damping member as the two members move with respect to one another to provide a controlled damping action for the first member peripheral rim engaging the arcuate surface with a predetermined force to provide a controlled resistance force to the movement of the door.
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patent: 5178481 (1993-01-01), Kawamura
U.S. patent application Ser. No. 07/840,340 filed on Feb. 24, 1992 and entitled Temperature Compensated Rotary Damper.
Oberleitner Robert J.
Poon Peter M.
Prince Corporation
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