公开(公告)号：US11194274B2

公开(公告)日：2021-12-07

申请号：US17051063

申请日：2018-11-21

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Dong Kyun Kim ,  Bong Hee Lee ,  Seong Yul Kim ,  Se Min An ,  Jin Seok Lee

IPC: G03G15/20 ,  G03G21/16

Abstract: A fuser including an endless belt, a pressurizing roller, a heater, a shaft supporting member, rotation member, and a washer. The pressurizing roller is to form a heating nip with the endless belt and is to rotate to drive the endless belt. The heater is to supply heat to the heating nip. The supporting member includes a shaft and a flange The rotation member is inserted into an inner diameter portion of the endless belt to support the endless belt, the rotation member is to be slidably rotatable with respect to the shaft. A washer interposed between the rotation member and the flange in an axial direction to regulate a movement of the endless belt in the axial direction, the washer is to slide-contact with at least one of the flange and the rotation member.

公开(公告)号：US11947289B2

公开(公告)日：2024-04-02

申请号：US17789041

申请日：2020-12-30

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Jin Seok Lee ,  Bong Hee Lee ,  Jin Yoon Kim

IPC: G03G15/20

CPC classification number: G03G15/2035 ,  G03G15/2028

Abstract: An example image forming apparatus includes a main body, a printing engine to be disposed in the main body to form an image on a printing medium, a fixing apparatus including a fixing roller and a fixing belt disposed to face the fixing roller, and a jam prevention apparatus including a fixed frame disposed adjacent to the fixing apparatus, and a movable apparatus to be detachably fastened to the fixed frame through a plurality of adjusting screws, to adjust a gap with the fixing belt according to a fastening direction of the plurality of adjusting screws.