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:
Mar. 17, 2009
Filed:
Nov. 26, 2004
Hiroyuki Oya, Kashiwazaki, JP;
Ryoji Usui, Kashiwazaki, JP;
Hajime Tanabe, Kashiwazaki, JP;
Koei Watanabe, Joetsu, JP;
Mitsuyasu Fukusawa, Nyuzen-machi, JP;
Osamu Watanabe, Kurobe, JP;
Hiroyuki Oya, Kashiwazaki, JP;
Ryoji Usui, Kashiwazaki, JP;
Hajime Tanabe, Kashiwazaki, JP;
Koei Watanabe, Joetsu, JP;
Mitsuyasu Fukusawa, Nyuzen-machi, JP;
Osamu Watanabe, Kurobe, JP;
Kabushiki Kaisha Riken, Toyoko, JP;
YKK Corporation, Toyoko, JP;
Abstract
A method and a device for identifying an upper surface and a lower surface of a component having asymmetric upper and lower outer shapes are provided. In particular, a method and a device for identifying orientation of an item that hardly allows visual identification of the upper and lower surface. A disk-like, cylindrical, or annular component having asymmetric upper and lower outer shapes is placed on a reference surface having a reference block, an outer peripheral part of the component on the reference surface is brought into contact with the reference block, and identification of the upper and lower surface of the component is achieved in an inline system based on a gap created between the outer peripheral part of the component and the reference block, using a light source lighting device and a detection camera arranged across the reference block.