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:
Apr. 08, 2025
Filed:
Feb. 01, 2024
Kyocera Document Solutions Inc., Osaka, JP;
Koichi Imanaka, Osaka, JP;
KYOCERA Document Solutions Inc., Osaka, JP;
Abstract
A development device includes a development container, a stirring conveyance member, a developer carrier, a vent hole, a filter, and a developer leakage prevention sheet. The stirring conveyance member conveys, while stirring, the developer containing toner inside the development container. The developer carrier carries on its outer circumferential surface the developer to feed the toner to an image carrier on which an electrostatic latent image is formed. The vent hole is formed in the development container to allow the inside and outside of the development container to communicate with each other. The filter is arranged to cover the vent hole from outside the development container. The developer leakage prevention sheet is flexible and is arranged inside the development container, opposite the vent hole so as to overlap the entire vent hole. A gap is formed between the developer leakage prevention sheet and the opening edge of the vent hole.