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:
Oct. 31, 2023
Filed:
Sep. 14, 2022
Applicant:
Sharp Kabushiki Kaisha, Osaka, JP;
Inventor:
Minoru Tomiyori, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2053 (2013.01); G03G 15/2064 (2013.01); G03G 15/2042 (2013.01);
Abstract
A sheet heating device includes: a heat roller including a lamp heater; a fixing frame supporting end parts of the heat roller and the lamp heater; and a heat-insulating cover member provided outside of the fixing frame. The fixing frame is disposed so as to cover the space above the heat roller. A plurality of heat retention spaces is provided inside of the cover member so as to be partitioned from one another and to be opened toward the fixing frame.