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.

Date of Patent:
Jun. 23, 2020

Filed:

Jun. 29, 2018
Applicants:

Y-tec Corporation, Hiroshima, JP;

Mazda Motor Corporation, Hiroshima, JP;

Inventors:

Kazuhiro Nishimura, Hiroshima, JP;

Masayuki Jobira, Hiroshima, JP;

Hiroyuki Takahashi, Hiroshima, JP;

Hideaki Kawaguchi, Hiroshima, JP;

Nobuyuki Nakado, Hiroshima, JP;

Shun Kuwako, Hiroshima, JP;

Assignees:

Y-TEC CORPORATION, Hiroshima, JP;

MAZDA MOTOR CORPORATION, Hiroshima, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60G 21/05 (2006.01); B60B 35/04 (2006.01);
U.S. Cl.
CPC ...
B60G 21/051 (2013.01); B60B 35/04 (2013.01); B60G 2200/21 (2013.01); B60G 2204/1434 (2013.01); B60G 2206/20 (2013.01); B60G 2206/202 (2013.01); B60G 2206/722 (2013.01); B60G 2206/8102 (2013.01);
Abstract

A torsion beam of a vehicle torsion beam suspension has a closed cross section. A beam center portion has an inverse substantially v-shaped cross section or a substantially v-shaped cross section. Circumference increasing portions having a longer circumferential length toward the beam ends are disposed at opposite sides of the beam center portion. Each circumference increasing portion has a beam width that is a width in the fore and aft direction of a vehicle body, the beam width gradually increasing toward a beam end, and increasing at a higher rate as a position of the beam width is closer to the beam end.


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