公开(公告)号：US20230375974A1

公开(公告)日：2023-11-23

申请号：US18031223

申请日：2021-04-12

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Younghoon KIM ,  Wontaek KIM ,  Holyun HWANG ,  Hwanghee RYU ,  Saehoon HAN ,  Seongho PARK ,  Seunggweon LEE ,  Woongyong CHOI ,  Sungjin KIM ,  Junhui KIM

IPC: G03G21/16

CPC classification number: G03G21/1647 ,  G03G21/1676

Abstract: An example image forming apparatus includes a main body including an opening and an accommodation portion, a development cartridge detachable from the main body, a tray on which to mount the development cartridge, the tray being movable between a mounting position inserted into the main body through the opening, a withdrawal position extracted from the main body, and an accommodation position at which the development cartridge is accommodated in the accommodation portion, and an elastic support member to elastically support the development cartridge with respect to the tray while the tray moves between the mounting position, the withdrawal position, and the accommodation position.

公开(公告)号：US20210341037A1

公开(公告)日：2021-11-04

申请号：US17284496

申请日：2020-01-21

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

Inventor： Saehoon HAN ,  Jun Ho LEE

IPC: F16H7/12 ,  G03G15/16

Abstract: An intermediate transfer belt assembly includes an intermediate transfer belt, a driving roller, a backup roller, a driving frame; and a backup frame. The driving roller and the backup roller spaced apart from each other to support and move the intermediate transfer belt in a first direction. The driving frame is to rotatably support the driving roller. The backup frame is connected to the driving frame, is to rotatably support the backup roller and is to move in the first direction.