Vehicle leaf spring with a longitudinal discontinuity for crack

Details Vehicle leaf spring with a longitudinal discontinuity for crack Vehicle leaf spring with a longitudinal discontinuity for crack

1991-03-11

1993-09-14

Le, Mark T.

Spring devices

Vehicle

Leaf

267 40, 267 51, 267158, 29173, B60G 1102, F16F 118

Patent

active

052441890

ABSTRACT:
A vehicle suspension member such as a leaf spring (50) is provided comprising at least one composite leaf or plate (2) having a second layer (12) sandwiched within a first layer (10) in such a manner as to provide at least one discontinuity therein effective to divert crack propagation in a direction generally parallel to a longitudinal axis ("L/A") extending between opposite ends of plate (2).

REFERENCES:
patent: 1638516 (1927-08-01), Ware
patent: 2056816 (1936-10-01), Zimmerli
patent: 4575912 (1986-03-01), Grip et al.
patent: 4688778 (1987-08-01), Woltron
patent: 4747898 (1988-05-01), Woltron
Zimmerli, F. P., "Carbon and Alloy Steel Materials for Cold-Formed Springs," Product Engineering, Oct. 1946, pp. 119-122.

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