Patent ID: 6896436

Claim:
A device comprising a support including a supporting surface, a mount adapted to couple to an object, the mount including a mounting surface sized and configured to contact the supporting surface for the relative movement of the mount and the supporting surface, and a locking assembly comprising a first element carried by the mount for movement in concert with the mount, second and third elements are not connected and are carried by the mount in a stacked relationship on opposite sides of the first element for movement in concert with the supporting surface, and a locking component coupling the support to the second and third elements, whereby the first element moves in concert with the mount between the second and third elements, the locking component including a compressing member that, upon advancement, places the second and third elements into compression in opposition against the first element to resist movement of the mount on the support, and that, upon retraction, relieves the compression to free the mount for movement on the support.