Manufacturing method for canted-coil spring with turn angle and seal
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United States of America Patent
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Oct 9, 1990
Issued Date -
N/A
app pub date -
Dec 13, 1988
filing date -
Apr 25, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A garter-type axially resilient coil spring includes a plurality of coils canted along a centerline thereof with each coil having a trailing portion and a leading portion. The disposition of the trailing portion is defined by a back angle between the trailing portion and a line normal to the centerline and the disposition of the leading portion is defined by a front angle between the leading portion and a normal line. Specific resilient performance, or load-characteristics, of the springs are obtained by controlling a turn angle of the coil spring. At selected turn angles, springs exhibit a resilient working area bounded by steep load-deflection characteristics.
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