Leaf spring assembly having safety spring with retaining elements
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United States of America Patent
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Apr 21, 2009
Grant Date -
Mar 15, 2007
app pub date -
Jul 24, 2006
filing date -
Sep 14, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A leaf spring assembly features a stack of leaf springs having mounting couplings attached at opposite ends. The mounting couplings each have first and second mounting elements clamped together about at least a main spring and a safety spring. The safety spring has retaining elements at opposite ends each having an extension portion and a blocking portion. The extension portion extends past the end of the main spring. Here the blocking portion extends generally perpendicularly from the extension portion to block motion of the mounting coupling should failure cause it to be detached from the stack of springs. This ensures that failure does not cause complete separation of the spring stack and mounting couplings.
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