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:
Feb. 25, 2014
Filed:
Jun. 24, 2009
Shigeo Hirose, Shinagawa-ku, JP;
Shingo Tsukui, Toyohashi, JP;
Shigeo Hirose, Shinagawa-ku, JP;
Shingo Tsukui, Toyohashi, JP;
Tokyo Institute of Technology, Tokyo, JP;
Topy Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
Theme To provide a crawler unit having a light-weight and high-strength crawler belt. Means to Solve A crawler beltcomprises an endless steel belt(high-tensile-strength belt) and a belt main bodymade of rubber and attached around an outer periphery of the steel belt. The steel belthas engagement holesarranged at even intervals in a circumferential direction thereof. The belt main bodyhas escape recessesformed therein. A wheelhas projectionsarranged at even intervals in a circumferential direction on an outer peripheral surface thereof. The projectionsare adapted to be engaged with the engagement holesof the steel beltand at the same time to enter the escape recessesof the belt main body