Patent ID: 8231099

Claim:
A protective cover support rack for electronic devices, comprising; a protective cover body, the protective cover body including a frame and a view window, and an inner rim forming thereon an annular U-shaped trough to hold and encase a body of an electronic device; a support lid, the support lid including a bottom side having two ends forming respectively a pivotal portion and a lid plate extended from a bottom side; and a hinge assembly, the hinge assembly comprising: a holder, the holder coupled to a lateral side of the protective cover body; a longitudinal member having a first end and a second end, the first end pivotally coupled to the holder and the second end coupled to the support lid; a movable slider slidably disposed on the longitudinal member, the movable member having a first undulating surface matingly engaging an end of the holder; and a biasing member disposed on the longitudinal member between the movable slider and the holder; wherein when the support lid is rotated about an axis of the longitudinal member, the biasing member acts to inhibit such rotation by biasing the first undulating surface of the movable slider against the holder.