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:
Sep. 10, 2019
Filed:
Aug. 25, 2015
Sato Holdings Kabushiki Kaisha, Tokyo, JP;
Haruhiko Nitta, Hyogo, JP;
SATO HOLDINGS KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Formation of a plurality of wear visibility grooveshas been focused. An elastic roller includes: an inner layer side elastic material; a coating layerdisposed on an outer periphery of the inner layer side elastic material, the coating layer configured to make contact with the belt-shaped member; and a plurality of wear visibility grooves() formed on an inner side of the coating layerand formed on a surface of the inner layer side elastic materialin a circumferential direction, the plurality of wear visibility grooves being successively formed in an axial direction of the roller shaft, wherein at least two grooves of the plurality of wear visibility grooves have different heights, and filler is filled in the plurality of wear visibility grooves, the filler having a color different from that of the inner layer side elastic materialand different from that of the coating layer, and material of the filler is the same as that of the coating layer