Clamp ring assembly for air spring
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United States of America Patent
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Dec 20, 1994
Grant Date -
N/A
app pub date -
Sep 20, 1993
filing date -
Sep 20, 1993
priority date (Note) -
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Abstract
An air spring has a pair of axially spaced end members and an intervening elastomeric flexible sleeve extending therebetween which forms a fluid pressure chamber. A pair of recesses are formed on an inner surface of an annular clamp ring which cooperate with a pair of corresponding annular projections formed on an outer surface of each of the end members to positionally locate the ring on the end member and to form a pair of pinch areas sealingly clamping the sleeve therebetween. Expansion grooves are formed between the projections and on opposite sides thereof to receive portions of the sleeve therein to form three elastomeric bead-like members, and to change the direction of reinforcing cords within the sleeve. The clamp ring seats upon a shoulder of each of the end members to reduce movement of the clamp ring during operation of the air spring.
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