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:
Dec. 09, 2003
Filed:
Oct. 08, 2002
Kunihiko Kitayama, Ibaraki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus having an image forming portion for forming an image, a drive source for generating a driving force for driving the image forming portion, a drive gear for transmitting the driving force from the drive source, a drive shaft for transmitting the driving force to the image forming portion, a first gear and a second gear fitted to the drive shaft and meshing with the drive gear, and a biasing member engaged with the first gear and the second gear and capable of circumferentially biasing the two, wherein in a state in which the first gear and the second gear mesh with the drive gear, it is possible to change over the biasing member to a biasing state and a bias releasing state.