Pneumatic spring
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United States of America Patent
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-
Jan 2, 2001
Grant Date -
N/A
app pub date -
Oct 23, 1998
filing date -
May 7, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pneumatic spring, in particular for rail vehicles, trucks and busses, has a bellows made of elastomer material, if required provided with reinforcing inserts; a pot to whose upper part the bellows are secured, the bellows preferably rolling on the outer wall of the pot; a plate-shaped cover spaced apart from the pot and to which the other end of the bellows is secured; a central rod firmly secured to the cover and which projects out of the lid over a distance extends parallel to the bellows and enters the pot; a ball-and-socket joint located between the pot and the rod and supported against the inner wall of the pot; an air pipe; a slide bush arranged between the ball-and-socket joint and the rod and guided on the outer wall of the rod; and an intermediate bush arranged between the ball-and-socket joint and the slide bush.
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