Entwicklungsvorrichtung und elektrofotografische Bilderzeugungsvorrichtung damit

Details

Veröffentlichungs-Nr.

EP2653929

Aktenzeichen

EP12193766

Anmeldetag

22. November 2012

Veröffentlichung

4. September 2019

Erteilung

4. September 2019

Rechtsraum

EP

IPC

G03G15/08G03G15/09

Abstract

A developing device (100) to supply toner in a developer, including a development member (1) that attaches the developer to an outer circumferential surface of the development member (1) and supplies the toner to the image bearing member (10), a first regulation member (2) including a first regulating portion (21) that forms a first doctor gap (DG) between the outer circumferential surface of the development member (1) and the first regulating portion (21), and a second regulation member (5) disposed on an upstream side of the first regulation member (2) in a rotational direction of the development member (1) and includes a second regulating portion (51) that forms a second doctor gap (G) between the outer circumferential surface of the development member (1) and the second regulating portion (51), the second doctor gaps (G) at a central portion and both end portions in a longitudinal direction of the development member (1) being different from each other.

Anmelder

Firmen

Hewlett-Packard Development Company, L.P.
HP Printing Korea Co., Ltd.
S-Printing Solution Co., Ltd.
Samsung Electronics Co., Ltd

Land

🇺🇸 USA

Fachgebiete