Patent ID: 8201791

Claim:
A support stand used for supporting a display body, comprising: a base; a supporting bracket; a first hinge assembly positioned between the base and the supporting bracket; a second hinge assembly positioned between the supporting bracket and the display body, the second hinge assembly comprising a connecting bracket and a rotating bracket fixed to the display body, wherein the connecting bracket comprises a main portion and two connecting portions extending from opposite sides of the main portion, a top surface of the main portion of the connecting bracket is a curved surface, the rotating bracket is rotatable relative to the connecting bracket, a limiting member is fixed to the rotating bracket, the limiting member abuts the curved surface of the connecting bracket, thereby restricting a rotational range of the connecting bracket; and a third hinge assembly positioned between the supporting bracket and the display body, wherein the first hinge assembly, the second hinge assembly, and the third hinge assembly providing rotation around three rotational axes; the third hinge assembly comprising: a sleeve member comprising a leaf fixed to the supporting bracket and a sleeve extending from an end of the leaf; and a pivot shaft firmly engaged in the sleeve of the sleeve member and passing through the two connecting portions of the connecting bracket, wherein the second hinge assembly further comprises a washer member and a washer follower, one of the washer member and the washer follower forms at least one positioning protrusion, the other of the washer member and the washer follower defines at least one positioning hole corresponding to the at least one positioning protrusion.