Ring shaped spring device
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United States of America Patent
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-
Apr 4, 2006
Grant Date -
Jun 3, 2004
app pub date -
Sep 30, 2002
filing date -
Sep 30, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A spring device comprising at least one annular support plate defining a ring with a central axis; a plurality of circumferentially spaced, parallel oriented coil springs disposed about the at least one annular plate; and, a plurality of lock assemblies spaced about the plate. Each of the lock assemblies being in position within a spring cavity of one of the coil springs to allow additional springs to be provided on the spring device. In addition, the lock assemblies are dimensioned so that the coil spring is retained in a prestressed condition.
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