公开(公告)号：US20210109477A1

公开(公告)日：2021-04-15

申请号：US16500484

申请日：2018-05-10

申请人： HP PRINTING KOREA CO., LTD.

发明人： Hwikyeong AN ,  Suwhan KIM ,  Jinho PARK

IPC分类号： G03G21/16 ,  G03G15/00 ,  G06F1/16 ,  F16C11/04

摘要： A hinge apparatus is provided. The hinge apparatus includes a rotation axis device configured to pivotably support a part of a display, and a free stop hinge device configured to pivotably support an other part of the display coaxially spaced apart from the part of the display. The rotation axis device includes a curved protrusion for controlling an eccentricity between a central axis line of the rotation axis device and a central axis line of the free stop hinge device.