Patent ID: 7128003

Claim:
An elevating apparatus for a visual display comprising: a mounting frame; a first movable frame slidably engaged to said mounting frame; a second movable frame to support a display, the second movable frame being slidably engaged to said first movable frame; a threaded rod which engages the first movable frame so as to raise and lower the first movable frame, the threaded rod being disposed at a midsection of the first movable frame in a widthwise direction of the first movable frame; and at least one pulley attached to the first movable frame and at least one pliable member which engages the at least one pulley, wherein one side of the pliable member is coupled to the mounting frame and another side of the pliable member is coupled with the second movable frame, such that the second movable frame moves at a greater rate than the first movable frame due to a mechanical advantage provided by the at least one pulley, wherein the first movable frame and the second movable frame are disposed in relation to each other in one of a retracted configuration and an extended configuration, and wherein at least a portion of the second movable frame extends vertically past the first movable frame in the extended configuration.