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:
Nov. 24, 2015
Filed:
Aug. 25, 2010
Nobuo Shimozono, Yokohama, JP;
Nobuo Shimozono, Yokohama, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
The object of the present invention is to provide a rubber crawler having reduced vibration during running and further good soil-grasping property and soil-discharging property as well as improved durability. The rubber crawlerhas a crawler bodyand a plurality of metal coresburied in the crawler body and lugsprovided on an outer periphery side with they being divided into left and right sides across the central portion, the lugs divided into left and right sides being arranged in zigzag alignment with shifting of phase in a circumferential direction of the crawler body, wherein each of the lugsis in the form of trapezoid in section view having a contact area, a front side inclined surfaceand a rear side inclined surface, extends from the central portion with inclining in the circumferential direction with respect to the width direction, and has a constriction portionnarrowing in the circumferential direction which is provided in the central portion in the width direction with being arranged astride three adjacent metal coresin the circumferential direction in planar view.