Patent ID: 7865999

Claim:
A motion controller assembly for a door, the door including a first major surface and a second major surface, and a hinged vertical edge, a free vertical edge, a top edge, and a bottom edge, the edges between and interconnecting the first major surface and the second major surface, the motion controller assembly comprising: an elongated channel member having a longitudinal axis and including a web and two side walls extending in the same direction from the web and defining an elongated channel, and further including teeth extending from a side of the web and into the channel, the elongated channel member adapted to be mounted to the door; and a gripping member including: a housing slidably disposed in the channel member and having a threaded opening opposite the channel member teeth; a toothed portion that is movably disposed in the housing and includes a toothed surface; and a pin including a first threaded end engaging the threaded opening of the housing and including a second end rotatably mounted to the toothed portion, wherein the toothed surface opposes the toothed side of the web, wherein the toothed portion has a first position spaced from the channel member teeth such that the gripping member is movable in the channel member, and a second position where the teeth of the toothed portion engage the channel member teeth such that the gripping member is fixed relative to the channel member, and wherein the pin is movable in the opening for moving the toothed portion between the first and second positions.