SHAPED RUBBER FLEXIBLE MEMBER
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United States of America Patent
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Issued Date -
May 5, 2016
app pub date -
Oct 8, 2015
filing date -
Oct 10, 2014
priority date (Note) -
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Abstract
Embodiments of the present invention are directed to an air spring having a flexible member which collapses into the form of a double meniscus under conditions where there is a substantial or a complete loss of air pressure. The double meniscus prevents the flexible member from rolling over the piston and/or chafing against surrounding parts of the vehicle on which the air spring is mounted. This is accomplished by incorporating a flexible member having a top portion, a bottom portion, and an expansion region between the top portion and the bottom portion of the flexible member. Embodiments of the present invention more specifically disclose an air spring comprising a piston, a top plate, and a flexible member which is affixed to the piston and the top plate, wherein the piston, the top plate and the flexible member define a pressurizable chamber.
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