Patent ID: 9372504
Filing Date: 2016-06-21
CPC Classification: E05D,E05Y,G06F,Y10T

Claim Text:
1. A multi display apparatus comprising: a first display device and a second display device arranged adjacent to each other; and a hinge device provided to rotate the first display device and the second display device relative to each other, wherein the hinge device comprises a first hinge member fixed to the first display device, and at least one second hinge member fixed to the second display device and connected to the first hinge member so that the at least one second hinge member is movable in a circumferential direction with respect to an interface between adjacent side surfaces of the first display device and the second display device, wherein the at least one second hinge member comprises an upper second hinge member which is arranged above an upper surface of the first hinge member, and a lower second hinge member which is arranged below a lower surface of the first hinge member and configured to be separable from the upper second hinge member, and wherein the multi display apparatus further comprises: rolling members which are separated from each other in lines in the circumferential direction, and arranged between the upper surface of the first hinge member and the upper second hinge member and between the lower surface of the first hinge member and the lower second hinge member; a plurality of receipt holes which are disposed on the upper surface and the lower surface of the first hinge member and separated from each other in the circumferential direction to receive a first portion of each of the rolling members; and guide grooves respectively provided in the circumferential direction on a lower surface of the upper second hinge member and an upper surface of the lower second hinge member to movably install a second portion of each of the rolling members.