Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
James Francis Vance0
James Brian Pipp0
Date of Patent
December 30, 2008
0Patent Application Number
103622740
Date Filed
August 22, 2001
0Patent Primary Examiner
Patent abstract
A rotation damper for a vehicle that runs on rails, having piston and cylinder parts moving with respect to one another. This damper has a friction characteristics, that is to say the fluid connection over the piston is not a permanently open hole but exclusively comprises spring-loaded valves. In order to facilitate the installation of such dampers, it is proposed to make a separate connection between the working cylinder and the reservoir in which a valve that can be manually operated is arranged, which valve, on operation, opens a connection as a result of which the piston and cylinder can be moved relative to one another under manual force.
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