Patent ID: 8508933

Claim:
A docking station to support a portable computer having a first end and an opposing second end, on an installation surface, the docking station comprising: a main body configured to support the first end of the portable computer against the installation surface and to electrically connect with the portable computer; and an angle adjusting unit that is rotatably coupled to the main body and is configured to adjust an installation angle between an upper surface of the main body and the installation surface such that the second end of the portable computer directly contacts the installation surface when the portable computer has any one of a plurality of different sizes, the angle adjusting unit including: a support unit, accommodated by a protrusion accommodating unit, having a hinge shaft and a support protrusion that extends lengthwise in a direction transverse to an axial direction of the hinge shaft and is rotatable about the hinge shaft; at least one hinge shaft stationary unit protruding from an inner surface of a lower casing of the docking station and supporting at least one end part of the hinge shaft, to prevent movement of the hinge shaft in an axial direction; and a separation preventing unit including a curved unit disposed at a contact area of the support protrusion and the protrusion accommodating unit, to apply an elastic force to a rotation of the support protrusion.