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:
Nov. 06, 2012
Filed:
May. 03, 2010
Yoshikuni Ito, Tokyo, JP;
Toshinori Nakayama, Kashiwa, JP;
Yasuharu Chiyoda, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a rotatable heater for heating a toner image on a recording material in a nip; a rotatable pressor for pressing against the heater to form the nip; a moving mechanism for spacing the heater and the pressor from each other; a detector for detecting a temperature of the pressor; a cooler for cooling the pressor; a changer for changing the rotational speed of the pressor; and an executor for executing, when the temperature of the pressor reaches an upper limit temperature during execution of an image formation job of continuously forming the images, a cooling mode for cooling the pressor by the cooler in a state that the pressor and the heater are spaced from each other while rotating the pressing member at a second rotational speed higher than a first rotational speed which is a speed during the execution of the job.