Spring assembly with interconnecting annular plates

Details Spring assembly with interconnecting annular plates Spring assembly with interconnecting annular plates

1992-10-29

1994-04-26

Oberleitner, Robert J.

Spring devices

Spring panel

With means to vary preliminary tension of spring

267174, 267179, 192 89R, F16F 300, F16F 106

Patent

active

053060865

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.

REFERENCES:
patent: 2104962 (1938-01-01), Anderson
patent: 2436874 (1948-03-01), Spase
patent: 3489255 (1970-01-01), Gatewood
patent: 3587802 (1971-06-01), Pink
patent: 3782708 (1974-01-01), Dulude et al.
patent: 4756070 (1988-07-01), Takeuchi
patent: 4756071 (1988-07-01), Takeuchi
patent: 4905574 (1990-03-01), Trevisan
Kuhlman Corporation, TRANS-PAK Spring Assembly Division, 1991, 4-page brochure.
TRANS-PAK Spring Assembly Division, Kuhlman Corp., Drawing entitled "Reverse Input Return Spring", Part No. 102951, Apr. 1991.

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