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. 02, 2024
Filed:
Jun. 25, 2021
Applicant:
Hewlett-packard Development Company, L.p., Spring, TX (US);
Inventors:
Minguk Go, Seongnam-si, KR;
Horyul Lee, Seongnam-si, KR;
Yoshihiko Ichikawa, Seongnam-si, KR;
Yunkyu Shim, Seongnam-si, KR;
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/00 (2006.01); G03G 15/08 (2006.01); G03G 21/20 (2006.01);
U.S. Cl.
CPC ...
G03G 21/206 (2013.01); G03G 15/0812 (2013.01); G03G 15/0815 (2013.01); G03G 2221/1645 (2013.01);
Abstract
An example developing device includes a developing roller, a regulation blade to regulate a thickness of a toner layer attached to an outer circumference of the developing roller, a blade bracket for supporting the regulation blade, and an inner duct including an air supply port and extending in a longitudinal direction of the developing roller to form a flow path of air to cool the blade bracket.