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:
Feb. 18, 2025
Filed:
May. 27, 2020
Aion Co., Ltd., Osaka, JP;
Tadashi Kawaguchi, Koga, JP;
Tomoyuki Nakagaki, Koga, JP;
AION CO., LTD., Osaka, JP;
Abstract
In a holder attached state in which a holder upper partis attached to a brush rotation shaft, the lower surface of the holder upper partand the inner peripheral surface of a holder lower partdefine a brush accommodating space, and the inner peripheral edge of a holder bottom plate partdefines a circular holder openinghaving a smaller diameter than the inner diameter of the holder lower part. A held partof a brush bodyis in a circular column shape incapable of penetrating through the holder opening, and is accommodated and held in the brush accommodating space. A cleaning partof the brush bodyis in a circular column shape smaller in diameter than the held partand capable of penetrating through the holder opening, and penetrates through the holder openingand projects downward. A top-to-bottom length Lof the holder openingof the brush holderis longer than or equal to ¼ of a protruding length Lof the cleaning partof the brush bodyfrom the held partthereof and shorter than the protruding length Lof the cleaning part