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. 07, 2023
Filed:
Jun. 30, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Rikiya Takemasa, Chiba, JP;
Takeshi Kozuma, Tokyo, JP;
Youichi Chikugo, Chiba, JP;
Yutaro Tsuno, Tokyo, JP;
Hidekazu Tatezawa, Saitama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image heating apparatus includes a first rotary member and a second rotary member that form a nip portion, and, a changing mechanism configured to change a pressing force applied at the nip portion. The changing mechanism includes a worm having both ends supported rotatably, a worm wheel that is meshed with the worm and to which a driving force from the worm is transmitted, a rotatable shaft to which the worm wheel is attached, a cam that is attached to the shaft, and, a displacement mechanism that is abutted against the cam and that is configured to displace the second rotary member with respect to the first rotary member along with a rotation of the cam.