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. 21, 2020
Filed:
Jun. 26, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Yoshinobu Ogawa, Numazu, JP;
Mitsuru Okuda, Suntou-gun, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
To provide a developer regulating member which can generate a uniform frictional charge even on a developer having a small size. A developer regulating member for regulating the thickness of the layer of a developer carried on the surface of a developer carrier, having: a regulating portion contacting with the developer, wherein the regulating portion includes a thermoplastic acrylic resin, and the thermoplastic acrylic resin has a first endothermic peak having a peak top at +50° C. or more and a second endothermic peak having a peak top at +20° C. or less on the differentiation curve of a DSC curve obtained when the temperature is raised from −100° C. to 150° C. at a rate of temperature rise of 20.0° C./min using differential scanning calorimetry (DSC).