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:
Aug. 14, 2007
Filed:
Feb. 02, 2006
Tadakazu Miyashita, Nagano, JP;
Harumichi Koyama, Nagano, JP;
Mitsuhiro Nakamura, Nagano, JP;
Fujikoshi Machinery Corp., Nagano, JP;
Abstract
In polishing apparatus of the present invention, collars can be easily exchange. The polishing apparatus comprises: an outer pin gear having an inner gear section; an inner pin gear having an outer gear section; and a carrier having outer gear teeth, which are engaged with the inner gear section of the outer pin gear and the outer gear section of the inner pin gear so as to rotate and move the carrier around the inner pin gear. At least one of the inner gear section and the outer gear section includes gear teeth, each of which comprises: a pin proper being fixed to a pin ring and extended upward therefrom; a cylindrical collar rotatably covering and fitting the pin proper at a fitting section.