Elastomeric spring unit

Details Elastomeric spring unit Elastomeric spring unit

1993-06-01

1994-10-04

Le, Mark T.

Railway draft appliances

Cushioned

Springs

213 40D, 2671411, B61G 900

Patent

active

053518446

ABSTRACT:
A compression spring formed of an elastomer having a ratio of plastic strain to elastic strain that is greater than 1.5 to 1, the elastomer having a having a projection extending through a metal plate and being cold formed into a rivet-like head to define a mechanical bond between the elastomer and the metal plate.

REFERENCES:
patent: 3227288 (1966-01-01), Mulcahy et al.
patent: 3293106 (1966-12-01), Cocco et al.
patent: 3522345 (1970-07-01), Olsen
patent: 3966057 (1976-06-01), Duquette et al.
patent: 4198037 (1980-04-01), Anderson
patent: 4566678 (1986-01-01), Anderson
patent: 4769896 (1988-09-01), Denlinger et al.
patent: 4822671 (1989-04-01), Carper et al.

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