DAMPER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Oct 20, 2011
app pub date -
Oct 22, 2009
filing date -
Oct 23, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A one-way hydraulic or pneumatic damper (1) of the invention comprising a cylindrical housing (2) closed at one end, in which a piston rod (3) is arranged in direction of the longitudinal axis, said piston rod (3) protruding through a cover (5) closing the second end of said housing and having on its other end that reaches into said housing a piston (4), and between the closed end of said housing (1) and said piston (4) there is a compression spring (9), wherein said piston (4) having an opening (12) running transversally to the longitudinal axis of said damper (1) is separated into a piston portion (13) and a valve portion (14), wherein said valve portion (14) of said piston (4) has a central hole (15), into which said piston rod (3) engages, the surface of the cross-section of said piston rod (3) being smaller than the surface of the cross-section of said hole (15) of said valve portion (14).
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