US Patent 7118083 Paper holder attached to computer keyboards

A paper holder attached to a computer keyboard including a keyboard, a holder rod pivotally coupled to the keyboard for being rotated to move the holder rod vertically up and down. The holder rod is folded and aligned at the same level of the keyboard, a circular rod base protruded from an inner surface of a main support rod of the holder rod, a long hole disposed on the circular rod base, a groove sequentially disposed on at the bottom of both sides of the long hole and the long hole of the circular rod base protruded from the bottom of the adjusting rod to couple with a locking member for the positioning. A rib correspondingly latched to the groove of the main support rod and disposed on the inner side of the locking member, and pressing against different grooves to drive the adjusting rod to move along the main support rod.