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. 21, 2017
Filed:
Jun. 22, 2012
Eiji Utada, Fujisawa, JP;
Natsuki Sensui, Fujisawa, JP;
Takayuki Watanabe, Fujisawa, JP;
NSK LTD., Tokyo, JP;
Abstract
A superfinishing machine and a superfinishing method which can perform axially uniform finishing on a logarithmically crowned surface formed on an inner peripheral surface of an annular member in a short time, and an outer ring of a bearing having a raceway surface superfinished by the superfinishing method, are provided. A superfinishing machineincludes a linearly reciprocating mechanismconfigured to linearly reciprocate a grinding stoneheld by a pressing section, along a plane B touching a generatrix of the logarithmically crowned surface, and in a direction C inclined by a given angle φ with respect to a center axis O of an outer ring
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile