| 摘要 |
An elastomeric spring useful as an automotive shock or strut end-of-travel bumper having at least three distinct spring rates made possible by a series of roughly cylindrical, hollow elastomeric tubes stacked with the axes of the tubes normal to the axis of deflection of the spring. The tubes collapse sequen- tially to yield multiple spring rates. Non uniform wall thickness tubes, roll axially over the outer peripheral surface of the thicker walls of adjacent tubes during deflection.
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