Vehicle leaf spring with irradiated center for crack diversion

Details Vehicle leaf spring with irradiated center for crack diversion Vehicle leaf spring with irradiated center for crack diversion

1991-03-11

1993-09-28

Oberleitner, Robert J.

Spring devices

Vehicle

Leaf

267 40, 267 51, 267158, 29173, 21912116, 21912117, 21912165, 21912166, 148565, 148580, B60G 1102, F16F 118, C21D 106, B23K 1500

Patent

active

052481301

ABSTRACT:
A vehicle suspension member such as leaf spring (50) is provided having at least one plate (3) having an irradiation exposed region (R) therein that is generally parallel to a longitudinal axis ("L/A") extending between opposite ends of plate (3) and operative to provide a metallurgical discontinuity extending therealong between opposite ends thereof that is effective to divert crack propagation in a direction generally parallel to axis ("L/A").

REFERENCES:
patent: 1638516 (1927-09-01), Ware
patent: 3705718 (1972-12-01), Fukui et al.
patent: 3773565 (1973-11-01), Pye et al.
patent: 3818577 (1974-06-01), Bailey et al.
patent: 3850698 (1974-11-01), Mallozzi et al.
patent: 4000011 (1976-12-01), Sato et al.
patent: 4401477 (1983-08-01), Clauer et al.
patent: 4644126 (1987-02-01), Schumacher
patent: 4905538 (1990-03-01), Watanabe et al.
patent: 4915746 (1990-04-01), Welsch
patent: 4927121 (1990-05-01), Komarov et al.
patent: 5080726 (1992-01-01), McKannan et al.

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