A magnetic track assembly including an elongate channel having an open side, an end wall, and two parallel side walls; a first magnet disposed within the elongate channel near an interior side of the end wall; a compartment defined within the elongate channel spaced from the first magnet; and a screen receiver disposed within the compartment and including a second magnet arranged facing the first magnet. In the magnetic track assembly, the first and second magnets are of opposite polarity and the screen receiver is loosely disposed within the compartment such that a magnetic bond is intact between the first and second magnets when the first and second magnets are close together and the magnetic bond is broken when the first and second magnets are pulled apart.

A system comprises a retractable panel structure, for example a screen/wall/divider/partition that can be rolled up and that can be unrolled. The panel structure comprises a back face (47) and a front face (48) that are spaced-apart from each other. The front face (48) is at least partly formed of an array of strips (23, 40) that are separate from each other and that move apart to allow the panel structure to be rolled up and wherein the back face (47) forms hinges that connect the strips (23, 40) together and that are capable of flexing to allow the said strips (23, 40) to move apart when the sheet is rolled up.

A system comprises a retractable panel structure, for example a screen/wall/divider/partition that can be rolled up and that can be unrolled. The panel structure comprises a back face (47) and a front face (48) that are spaced-apart from each other. The front face (48) is at least partly formed of an array of strips (23, 40) that are separate from each other and that move apart to allow the panel structure to be rolled up and wherein the back face (47) forms hinges that connect the strips (23, 40) together and that are capable of flexing to allow the said strips (23, 40) to move apart when the sheet is rolled up.

A high-speed rolling gate comprising a door leaf in the form of a flexible curtain, lateral guides in which lateral edges of the door leaf are received, and a drive which generates a driving force for driving the door leaf, wherein the door leaf has an elastically designed terminating element on a forward edge which is tensioned between the lateral guides by means of laterally applied transverse force components. The driving force of the drive engages on the terminating element of the door leaf and provides the laterally applied transverse force components for tensioning the terminating element of the door leaf and a tension force component substantially directed in the movement direction of the door leaf for closing the door leaf.

Improvements in the straightness in the vertical plane of a screen panel attached within a rectangular frame structure employing split tubes as its top and bottom edges/struts are described. Areas permitting the straightness of the screen panel to be improved include zip attachment of the screen panel to the split tubes, dependence of teeth orientation, reinforcement of the frame structure using struts, clamping of the split tubes to the frame, and modification of the screen panel, individually or in any combination thereof.

Improvements in the straightness in the vertical plane of a screen panel attached within a rectangular frame structure employing split tubes as its top and bottom edges/struts are described. Areas permitting the straightness of the screen panel to be improved include zip attachment of the screen panel to the split tubes, dependence of teeth orientation, reinforcement of the frame structure using struts, clamping of the split tubes to the frame, and modification of the screen panel, individually or in any combination thereof.

A magnetic track assembly including an elongate channel having an open side, an end wall, and two parallel side walls; a first magnet disposed within the elongate channel near an interior side of the end wall; a compartment defined within the elongate channel spaced from the first magnet; and a screen receiver disposed within the compartment and including a second magnet arranged facing the first magnet. In the magnetic track assembly, the first and second magnets are of opposite polarity and the screen receiver is loosely disposed within the compartment such that a magnetic bond is intact between the first and second magnets when the first and second magnets are close together and the magnetic bond is broken when the first and second magnets are pulled apart.

A door, in particular vertical-lift door, for closing an opening in a wall, in particular in a wall which separates two different temperature zones from one another, having a movable, flexible door leaf which comprises multiple separate, flexible door leaf layers which are guided such that they are spaced apart from one another in the closed state of the door, and having at least one winding shaft onto which the door leaf can be wound up in order to open the door, in which two adjacent door leaf layers are connected to one another by at least one spacer which ensures a spacing, defined by the spacer, of the two door leaf layers at least in the region of the spacer in the closed state of the door.

Example architectural opening coverings powered by rotary motors are described. An example architectural opening covering apparatus includes a rotatable member, a covering mounted to the rotatable member, a motor having a drive shaft which is capable of rotating the rotatable member in a first direction to raise the covering and in a second direction opposite the first direction to lower the covering, and a drive shaft coupling substantially preventing the motor from applying torque in the second direction.

A flexible screen material can be cut out of square, or part of the screen frame can be formed out of square such that when the screen is fitted to the screen frame, there is less sagging.