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. 30, 2025
Filed:
Mar. 23, 2023
Noritake Co., Limited, Nagoya, JP;
Makoto Sato, Nagoya, JP;
NORITAKE CO., LIMITED, Nagoya, JP;
Abstract
A plane polishing machine polishing one surface of a workpiece flat, the plane polishing machine comprises a stick-on disk decentering jig of a circular plate shape mounted on a rotating polishing surface plate, a jig rotation drive device having a plurality of guide rollers coming into contact with the stick-on disk decentering jig, a rotational direction restriction device permitting rotation of the stick-on disk in a direction identical to a rotational direction of the stick-on disk decentering jig and inhibiting rotation of the stick-on disk in a direction opposite to the rotational direction of the stick-on disk decentering jig, and a jig rotation suppression device periodically suppressing rotation of the stick-on disk decentering jig rotated by the drive guide roller, for a predetermined period.