The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 28, 1993
Filed:
Mar. 11, 1991
Applicant:
Inventor:
Bohdan Lisowsky, Troy, MI (US);
Assignee:
Eaton Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60G / ; F16F / ; C21D / ; B23K / ;
U.S. Cl.
CPC ...
267 47 ; 267 40 ; 267 51 ; 267158 ; 29173 ; 21912116 ; 21912117 ; 21912165 ; 21912166 ; 148565 ; 148580 ;
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').