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:
Nov. 23, 1999
Filed:
Sep. 05, 1997
Junzo Ikeda, Yao, JP;
Toshio Ishii, Yao, JP;
Shizuki Sasakura, Yao, JP;
Yasuo Yoshimura, Yao, JP;
Koichi Ueda, Yao, JP;
Koyo Machine Industries Co., Ltd., Osaka, JP;
Abstract
A double side grinding apparatus for thin disklike work comprises a pair of rotatable grinding wheels having opposed circular grinding faces provided by respective end faces and so arranged as to be movable relative to each other axially thereof, and work rotating means for rotating the thin disklike work about its own axis while supporting the work in a grinding position between the grinding faces so that opposite surfaces of the work to be worked on face the respective grinding faces of the pair of the wheels, with an outer periphery of the work intersecting an outer periphery of each grinding face and with the center of the work positioned inwardly of the grinding faces.