Spring assembly with interconnecting annular plates
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United States of America Patent
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Apr 26, 1994
Grant Date -
N/A
app pub date -
Oct 29, 1992
filing date -
Oct 29, 1992
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A spring assembly particularly adapted for use in vehicular automatic transmissions comprising a pair of annular plates having a multiplicity of circumferentially spaced, parallel-oriented compression springs mounted therebetween. The annular plates are interconnected at circumferentially spaced points around their periphery so that the compression springs are held in a precompressed state. The interconnection means are designed so as to permit the overall axial length of the spring assembly to constrict as the springs are compressed. Two alternative embodiments of the present invention are disclosed: a first embodiment wherein the annular plates are made from stamped sheet metal and a second embodiment wherein the annular plates are made from injected molded plastic.
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