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:
Aug. 21, 2018
Filed:
May. 31, 2016
Applicant:
Bridgestone Corporation, Chuo-ku, Tokyo, JP;
Inventor:
Takashi Mizusawa, Tokyo, JP;
Assignee:
BRIDGESTONE CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B62D 55/24 (2006.01); B62D 55/253 (2006.01);
U.S. Cl.
CPC ...
B62D 55/244 (2013.01); B62D 55/253 (2013.01);
Abstract
A main cord layer is embedded in a crawler main body, and a first bias cord layer, a second bias cord layer, a third bias cord layer and a fourth bias cord layer are embedded at an outer peripheral side of the main cord layer. Bias cords of the second bias cord layer and bias cords of the third bias cord layer are inclined in a direction that is opposite, with respect to a crawler circumferential direction, bias cords of the fourth bias cord layer that are inclined with respect to the crawler circumferential direction.