Invention Grant
US07664452B2 Fixing device, and image forming apparatus provided with the same
有权
固定装置和具有该固定装置的图像形成装置
- Patent Title: Fixing device, and image forming apparatus provided with the same
- Patent Title (中): 固定装置和具有该固定装置的图像形成装置
-
Application No.: US12122030Application Date: 2008-05-16
-
Publication No.: US07664452B2Publication Date: 2010-02-16
- Inventor: Eiji Nakajima
- Applicant: Eiji Nakajima
- Applicant Address: JP
- Assignee: Kyocera Mita Corporation
- Current Assignee: Kyocera Mita Corporation
- Current Assignee Address: JP
- Agent Gerald E. Hespos; Anthony J. Casella
- Priority: JP2007-135307 20070522; JP2007-135308 20070522
- Main IPC: G03G15/20
- IPC: G03G15/20
Abstract:
A fixing device includes: a fixing roller; a support roller arranged apart from the fixing roller; an endless fixing belt wound around the fixing roller and the support roller; a pressing roller for applying a pressure force to the fixing roller while the fixing belt being sandwiched between the fixing roller and the pressing roller; a nip extending member arranged on an upstream of the fixing roller and on an inner side of the fixing belt and having a pressing surface for pressing the fixing belt; and a variable mechanism for changing a state of a pressure applied to the fixing belt by the nip extending member.
Public/Granted literature
- US20080292377A1 FIXING DEVICE, AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME Public/Granted day:2008-11-27
Information query
