公开(公告)号：US20140161497A1

公开(公告)日：2014-06-12

申请号：US13897761

申请日：2013-05-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dong-woo LEE ,  Soo-hwan Bae

IPC: G03G15/20

CPC classification number: G03G15/2064 ,  G03G15/2053 ,  G03G2215/2035

Abstract: A fixing device and an image forming apparatus including the same are provided. The fixing device includes a rotatable endless belt passing through a fixing nip that is formed by a nip forming member and a backup member, and a first guide positioned inside the endless belt to guide the endless belt entering the fixing nip, wherein the first guide includes a first bent portion disposed at an upstream side of the fixing nip to support the endless belt and a second bent portion disposed at an upstream side of the first bent portion to support the endless belt, and a height of the second bent portion from the fixing nip is within a range of about 4% to about 10% of a height of the endless belt when being freely transformed.

Abstract translation: 提供了一种定影装置和包括该定影装置的图像形成装置。 定影装置包括通过由辊隙形成构件和支撑构件形成的定影辊隙的可旋转环形带，以及定位在环形带内的第一引导件，用于引导环形带进入定影辊隙，其中第一导轨包括 设置在所述定影辊隙的上游侧以支撑所述环形带的第一弯曲部分和设置在所述第一弯曲部分的上游侧以支撑所述环形带的第二弯曲部分，以及所述第二弯曲部分与所述固定 当自由变形时，辊隙在环形带的高度的约4％至约10％的范围内。

公开(公告)号：US09772590B2

公开(公告)日：2017-09-26

申请号：US15109749

申请日：2014-12-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jun-tae Kim ,  Seung-jun Lee ,  Dong-woo Lee ,  Dong-jin Seol ,  Soo-hwan Bae ,  Bong-hee Lee

IPC: G03G15/20

CPC classification number: G03G15/2028 ,  G03G15/2053 ,  G03G2215/2025

Abstract: A belt type fixing apparatus comprises: a fixing roller; a fixing belt which is installed to be opposite to the fixing roller;a nip forming member which is installed inside the fixing belt and supports the fixing belt so that the fixing belt can contact the fixing roller to form a fixing nip; a pair of sliding members which are installed to support both ends of the fixing belt and are rotated by the fixing belt; a pair of flange members which rotatably support the pair of sliding members; and a heat source which is installed inside the fixing belt and generates heat, wherein the rotation center of the pair of sliding members is located upstream in the transportation direction of printed matter compared to the rotation center of the fixing roller.