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:
Dec. 14, 2004
Filed:
Feb. 01, 2002
Applicant:
Inventors:
Kouji Minami, Chiba, JP;
Hisayuki Hirayama, Chiba, JP;
Kisaburo Yoshida, Chiba, JP;
Masaharu Sugiyama, Chiba, JP;
Assignee:
Seiko Instruments, Inc., Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 7/22 ;
U.S. Cl.
CPC ...
B24B 7/22 ;
Abstract
An end face polishing device has a first revolution shaft mounted for undergoing revolving movement about a first axis, a rotational shaft mounted for undergoing rotation about a second axis eccentric from the first axis, and a second revolution shaft mounted for undergoing revolving movement about a third axis eccentric from the second axis. A polishing disc is connected to the second revolution shaft for revolving movement therewith.