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:
Oct. 18, 2005
Filed:
Sep. 30, 2003
Takuya Terae, Chiba, JP;
Yuichi Makino, Ibaraki, JP;
Masaki Seto, Ibaraki, JP;
Kentaro Mori, Ibaraki, JP;
Takuya Terae, Chiba, JP;
Yuichi Makino, Ibaraki, JP;
Masaki Seto, Ibaraki, JP;
Kentaro Mori, Ibaraki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Finetech Inc., Ibaraki, JP;
Abstract
This present invention provides an image reading apparatus aiming at improving its operability while saving the cost and an image forming apparatus provided with the same. Sponges for pressing a pressing plate against a platen glass are constituted of nine sponges. Then, restoration forces Fa to Fc generated when sponges on a front side of a document feeding apparatus far from a fulcrum shaft of a hinge unit are crushed are set smaller than restoration forces Fg to Fi generated when sponges on a deep side of the document feeding apparatus near the fulcrum shaftof the hinge unit are crushed.