Global Patent Index - EP 3761120 A1

EP 3761120 A1 20210106 - HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

Title (en)

HEATING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

Title (de)

HEIZVORRICHTUNG, FIXIERVORRICHTUNG UND BILDERZEUGUNGSVORRICHTUNG

Title (fr)

DISPOSITIF DE CHAUFFAGE, DISPOSITIF DE FIXATION ET APPAREIL DE FORMATION D'IMAGES

Publication

EP 3761120 A1 20210106 (EN)

Application

EP 20181344 A 20200622

Priority

  • JP 2019126051 A 20190705
  • JP 2020034908 A 20200302

Abstract (en)

A heating device (5) includes a rotating member (21), an opposite member (22), a nip formation member (24), a heater (23), and a structure (25, 26) upstream and downstream from the heater (23) in a recording medium conveyance direction. The structure (25, 26) blocks light from the heater (23) and forms a light irradiated area (R) on a surface of the rotating member (21). On a cross section intersecting a rotation axis direction of the opposite member (22), the light irradiated area (R) is formed between a point with a first distance (K1) from an upstream end of the nip (N) along the rotating member (21) in a direction opposite to a rotation direction of the rotating member (21) and a point with a second distance (K2) longer than the first distance (K1) from a downstream end of the nip (N) along the rotating member (21) in the rotation direction.

IPC 8 full level

G03G 15/20 (2006.01); B41J 11/00 (2006.01)

CPC (source: EP US)

G03G 15/2017 (2013.01 - EP); G03G 15/2053 (2013.01 - EP); G03G 15/2064 (2013.01 - EP US); G03G 15/2042 (2013.01 - EP); G03G 2215/2035 (2013.01 - EP)

Citation (applicant)

JP 2009093141 A 20090430 - SAMSUNG ELECTRONICS CO LTD

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3761120 A1 20210106

DOCDB simple family (application)

EP 20181344 A 20200622