Patent ID: 8328151

Claim:
An arm stand for a display unit comprising a mounting bracket fastened to a base, a horizontal bracket for supporting the display unit, and a rotary link unit provided between the mounting bracket and the horizontal bracket so as to be rotatable, the rotary link unit comprising: a main rotary link rotatably provided between a base rotating axis of the mounting bracket and a central rotating axis of the horizontal bracket; an auxiliary rotary link rotatably provided between a first upper support axis formed in the mounting bracket above the base rotating axis and a second upper support axis formed in the horizontal bracket above the central rotating axis; and a tension spring rotatably provided between the first upper support axis formed above the base rotating axis of the mounting bracket and a lower support axis formed in the horizontal bracket below the central rotating axis, wherein the main rotary link and the auxiliary rotary link are disposed at upper and lower positions spaced apart from each other by a predetermined distance and are parallel to each other, and the tension spring is inclined at a predetermined angle with respect to the main rotary link and the auxiliary rotary link.