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:
Apr. 28, 2009
Filed:
Mar. 29, 2006
Kazuhisa Takeda, Nagano, JP;
Yosuke Nakano, Nagano, JP;
Tsuyoshi Sekizawa, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A first roller member is adapted to be fitted on a roller shaft, and includes at least one first portion, extending in a circumferential direction of the roller shaft, and having a first thickness in a radial direction of the roller shaft, and at least one second portion, extending in the circumferential direction, and having a second thickness in the radial direction which is greater than the first thickness, and at least one projection, formed on the first portion. A second roller member is formed on the first roller member, and includes a third portion, opposing the second portion, and having a third thickness in the radial direction, and a fourth portion, opposing the first portion, and having a fourth thickness in the radial direction which is greater than the third thickness.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile