Cushioning system for pneumatic cylinder of differential engine
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United States of America Patent
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Sep 10, 2013
Grant Date -
Jun 10, 2010
app pub date -
Apr 10, 2008
filing date -
Apr 10, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cushioning system for a pneumatic cylinder powered differential engine door opening and closing device for use in passenger transportation vehicles wherein the cushioning initiation point can be adjusted. This cushioning initiation point is adjusted through the use of a linearly adjustable slider member within the large cylinder. The slider is linearly adjustable through the use of an adjustment screw located outside of the pneumatic cylinder and allows one to adjust the time and the mode of the opening/closing of power doors, without disassembly of the cylinder, and significantly improve the safety of the passenger.
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