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. 12, 2023
Filed:
Mar. 24, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Noriyuki Komatsu, Shizuoka, JP;
Tomonori Mori, Kanagawa, JP;
Teruhiko Sasaki, Shizuoka, JP;
Makoto Hayashida, Shizuoka, JP;
Shunsuke Uratani, Shizuoka, JP;
Yuuki Nakamura, Shizuoka, JP;
Satoru Motohashi, Chiba, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A foreign substance collection apparatus includes: a frame body; a photosensitive drum; a cleaning roller which collects foreign substances from a surface of the photosensitive drum; a collecting roller which further collects the foreign substances having been collected by the cleaning roller from the cleaning roller; and a scraping member which scrapes off the foreign substances from the collecting roller. A foreign substance collecting portion included in the frame body has, in a posture during use: a first inner bottom surface which is positioned below the scraping member in a gravity direction; an outer bottom surface which is positioned further below the first inner bottom surface; and a connecting surface which intersects the first inner bottom surface and the outer bottom surface and which connects the first inner bottom surface and the outer bottom surface with each other.