Variable rate elastomeric torsion spring

Details Variable rate elastomeric torsion spring Variable rate elastomeric torsion spring

1992-08-31

1994-04-19

Oberleitner, Robert J.

Spring devices

Vehicle

Torsion

267279, F16F 138

Patent

active

053039076

ABSTRACT:
A variable rate elastomeric torsion spring 30 includes a generally cylindrical elastomeric member 36 having an outer shell 34 bonded thereto on the outside and a plurality of adjacent, axially aligned inner sleeves 36, 38 bonded thereto on the inside. A variable spring rate is obtained by the spring by selectively engaging different combinations of the inner sleeves.

REFERENCES:
patent: 2241026 (1941-06-01), Wylie
patent: 2477187 (1949-07-01), Lanchner
patent: 2915306 (1959-12-01), Hickman
patent: 3113769 (1963-12-01), Pryale
patent: 3336021 (1967-08-01), Kramer
patent: 4109979 (1978-08-01), Estaque
patent: 4714220 (1987-12-01), Hillstrom et al.

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