Variable stiffness spring suspension

Details Variable stiffness spring suspension Variable stiffness spring suspension

1988-07-11

1989-05-23

Butler, Douglas C.

Spring devices

Vehicle

Coil

267166, 267178, B60G 1114, F16F 104

Patent

active

048323217

ABSTRACT:
The invention herein is a coil spring assembly for the suspension of a vele including a series of plates whose tapered edges protrude between the coils of the spring. The plates are slideably mounted on bolts parallel to the longitudinal axis of the spring, the bolts being moveable toward or away from the longitudinal axis of the spring. The resulting movement of the plates toward or away from the spring causes a thicker or thinner zone of the tapered edge of the plate to be disposed between the spring coils, thereby changing the degree to which the plates stiffen the spring.

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patent: 4396408 (1983-08-01), Mace
patent: 4505457 (1985-03-01), Okada et al.
patent: 4558500 (1985-12-01), Kloster
patent: 4659052 (1987-04-01), Nagata
patent: 4679780 (1987-07-01), Kloster

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