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:
Jan. 20, 1987
Filed:
Oct. 28, 1982
Applicant:
Inventors:
Tsutomu Saito, Chiba, JP;
Yoshimichi Hasegawa, Aichi, JP;
Kazuo Yoshikawa, Aichi, JP;
Shigetsune Aoyama, Aichi, JP;
Assignees:
Horikiri Spring Mfg. Co., Ltd., all of, JP;
Aichi Steel Works, Ltd., all of, JP;
Kabushiki Kaisha Toyota Chuo Kenkyusho, all of, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
267 47 ; 267158 ;
Abstract
A leaf spring construction employs tapered leaf elements made from a steel sheet, where at least the tapered portion of the leaf elements have an arcuate shape in transverse cross-section with a convex surface on the tension side and a concave surface on the compression side thereof.