Coned disc spring
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United States of America Patent
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Jul 26, 2016
Grant Date -
Mar 19, 2015
app pub date -
Mar 25, 2013
filing date -
Mar 23, 2012
priority date (Note) -
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Abstract
An elliptical coned disc spring can be accommodated in a rectangular installation space, can yield non-linear load characteristics, and can reduce stress differences between a bending part at a long radial part side and a bending part at a short radial part side. An elliptical coned disc spring has a body in which an outer circumference is an ellipse in a disc shape. A hole is formed at the center of the body. The hole may have various shapes such as a circle, an ellipse, etc. The body has a long radial part 111 and a short radial part. A plate width of the long radial part is set to be greater than a plate width of the short radial part (that is, a>b).
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