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:
Oct. 01, 2019
Filed:
Jul. 04, 2016
Topy Kogyo Kabushiki Kaisha, Tokyo, JP;
Takuma Akazawa, Tokyo, JP;
Shingo Tsukui, Tokyo, JP;
Topy Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A crawler deviceincludes a crawler unit. The crawler unitincludes a first supportextending along a first rotational axis L, a pair of crawler structuresA,B mounted on the first supportand a pair of ground contacting structuresA,B mounted on the first support. The pair of ground contacting structuresA,B are arranged outside of the pair of crawler structuresA,B in a direction in which the pair of crawler structuresA,B are opposed to each other. The crawler unitis supported by second supportssuch that the crawler unitis rotatable about the first rotational axis L. An outer periphery of the crawler unithaving a circular cylindrical configuration includes first zones Zoccupied by the pair of crawler structuresA,B and second zones Zoccupied by the pair of ground contacting structuresA,B alternately arranged in a circumferential direction.