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. 04, 2007
Filed:
Sep. 19, 2002
Applicants:
Junichi Yamazaki, Mishima-shi, JP;
Kazuya Suzuki, Numazu-shi, JP;
Inventors:
Junichi Yamazaki, Mishima-shi, JP;
Kazuya Suzuki, Numazu-shi, JP;
Assignee:
Ricoh Company Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 5/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of detecting a convexity present on a surface of a belt-shaped member (belt) or a roll-shaped member (roller), includes frictionizing (abrading) a surface of the member with a plate, and detecting at least one of (1) a vibration generated on the plate or (2) a change of pressure applied to the plate, to detect the convexity on the surface of the member.