Patent ID: 8272608

Claim:
A keyboard support for movably supporting a keyboard with respect to a work surface of a workstation comprising: a) a workstation engaging member adapted to be attached to an underside of the work surface; b) a keyboard engaging member disposed forwardly of the workstation engaging member for supporting a keyboard including spaced apart sides defining aligned slots and aligned holes; c) a linkage assembly mechanically coupling and providing relative movement between the workstation engaging member and the keyboard engaging member, the linkage assembly including: 1) an upper support member including one end rotatably mounted to the workstation engaging member and further including an arcuate slot and a hole at an opposite end; 2) a lower support member including one end rotatably mounted to the workstation engaging member and further including a hole at an opposite end; 3) a lower connector passing through the arcuate slot in the upper support member, the aligned slots of the keyboard engaging member, and the hole passing through the lower support member; and 4) an upper connector passing through the aligned holes of the keyboard engaging member and the hole of the upper support member; and d) a tilt lockout member coupled to an end of the lower connector and including an arm adapted to fit into one of the aligned slots of the keyboard engaging member, the tilt lockout member movable to position the arm in a selected one of a first and a second position, in the first position, the arm being disposed in the one of the aligned slots of the keyboard engaging member on one side of the lower connector and in the second position, the arm being disposed in the one of the aligned slots of the keyboard engaging member on an opposite side of the lower connector, in the first position, pivoting of the keyboard engaging member in a positive tilt angle direction is restricted by the arm and, in the second position, pivoting of the keyboard engaging member in the positive tilt angle direction is not restricted.