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. 04, 2020
Filed:
Nov. 28, 2018
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Yuji Sawa, Sakai, JP;
Shinichi Takeda, Sakai, JP;
Noriaki Taguchi, Sakai, JP;
Hiroki Kanemitsu, Sakai, JP;
Hideaki Kadowaki, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;
Abstract
A waste toner collecting device includes a waste toner container having an opening at an upper portion, and a shutter mechanism that opens or closes the opening. The shutter mechanism includes a receiving portion including an insertion port through which the waste toner discharging unit is inserted, the receiving portion having an inner space connected with an inner space of the waste toner container through the opening, a shutter member disposed in the receiving portion to be movable between an open position and a closing position, and an urging member that urges the shutter member to the closing position. The shutter member includes a ridge on an upper portion of an outer circumferential surface. The ridge has a protrusion height corresponding to a gap between the outer circumferential surface and an inner circumferential surface of the receiving portion.