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:
Jun. 04, 2019
Filed:
Aug. 02, 2018
Daido Metal Company Ltd., Nagoya, JP;
Takayoshi Yamauchi, Inuyama, JP;
DAIDO METAL COMPANY LTD., Nagoya, JP;
Abstract
Provided is a guide roller for a vehicular slide door. The guide roller has an annular metal inner ring; a retainer holding a bearing; an annular metal outer ring and a sliding layer including a synthetic resin. When the sliding layer is sectionalized into a sliding surface side area, an intermediate area and an interface side area, from the sliding surface to an interface with the outer ring, the synthetic resins in the sliding surface side area, the intermediate area and the interface side area have, respectively, a degree of crystallizations X1, X2 and X3 and nanoindenter hardnesses Y1, Y2 and Y3 wherein X2−X1 is less than 5%, and X2−X3 is less than 5% and wherein Y2 is not less than 115% of Y1, and Y2 is not less than 115% of Y3.