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:
Mar. 31, 2026
Filed:
Mar. 21, 2022
3m Innovative Properties Company, St. Paul, MN (US);
Hiroyuki Matsuoka, Yokohama, JP;
Takayoshi Fujino, Sagamihara, JP;
Yasuyuki Daigo, Machida, JP;
Masayuki Kubota, Hadano, JP;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A roller including a core portion having a cylindrical shape, a support portion located on a central axis of the core portion and configured to rotatably support the core portion, a foam body covering an entire circumference of the core portion and including an outer circumferential surface being flat, an operation portion configured to operate the foam body, and a fixing portion configured to fix the support portion and the operation portion, wherein at least one of end portions of the outer circumferential surface bends toward a direction of the central axis.