Abstract: The invention relates to an overhead door for covering a door opening comprising a door blade (11) with a plurality of panels (17), said door blade (11) being movable between a vertical, closed position and a horizontal, opened or overhead position within a side frame (12) comprising double-sided a vertical track (13) and a horizontal track (14), connected by a connecting portion (15), respectively, and with a belt (20) or a chain associated with one side each of the said side frame (12) to lift the panels (17) from said vertical position to said horizontal position. To develop the stated overhead door in a way that the advantages of a high speed rollup door and an overhead door are combined, to offer an overhead door with a low space requirement, low maintenance requirements and a high speed closing possibility, the stated overhead door comprises driving means (27) for simultaneously driving a plurality of said panels (17).

Abstract: The present invention relates to a door operation system (1) for a door (2), the door (2) comprising: a protective barrier (3) configured to be in a rolled-in open state and configured to cover a door opening (18) in a rolled-out closed state; and first tracks (9a, 9b) arranged on side frames (19a, 19b) at each side of the protective barrier (3); the door operation system (1) comprising: curved or spiral tracks (13a, 13b) arranged at each side of the protective barrier (3) for accommodation of the protective barrier (3) in the rolled-in open state; and at least one drive unit (6) connected to the protective barrier (3) for moving the protective barrier (3) from the rolled-out closed state to the rolled-in open state and vice versa; wherein the protective barrier (3) comprises first transmission elements (11a, 11b) connected to the at least one drive unit (6); wherein the curved or spiral tracks (13a, 13b) each comprises a second transmission element (14a, 14b); and wherein the first transmission elements (11a

Abstract: The invention relates to an overhead door for covering a door opening comprising a door blade (11) with a plurality of panels (17), said door blade (11) being movable between a vertical, closed position and a horizontal, opened or overhead position within a side frame (12) comprising double-sided a vertical track (13) and a horizontal track (14), connected by a connecting portion (15), respectively, and with a belt (20) or a chain associated with one side each of the said side frame (12) to lift the panels (17) from said vertical position to said horizontal position. To develop the stated overhead door in a way that the advantages of a high speed rollup door and an overhead door are combined, to offer an overhead door with a low space requirement, low maintenance requirements and a high speed closing possibility, the stated overhead door comprises driving means (27) for simultaneously driving a plurality of said panels (17).

Abstract: The invention relates to a roller shutter for opening and closing a doorway (12) having a door blade (11), the door blade (11) comprises several rigid shutter elements (13) which are hinged with each other, the shutter elements (13) are guided by side rails (18) at opposed sides of the doorway (12), wherein each shutter element (13) provides an end piece (19) at each horizontally spaced end of the shutter element (13) for spacing layers of rolled up shutter elements (13) apart from each other, each end piece (19) has at least one concave section (27) for coiling the end pieces (19) on a coiling device (14) and/or in layers on top of each other.

Abstract: The invention relates to a sealing device (11, 35, 41) for sealing a gap (32) between a lintel (30) and a roller shutter (10, 34, 40). The sealing device (11, 35, 41) has a sealing means (23) for arranging at the upper end of a top shutter element (24) of the roller shutter (10, 34, 40). For covering a gap (32) in a functional and/or cost-effective way between a lintel (30) and a roller shutter (10, 34, 40), preferably in case of a completely unrolled door blade (12), the sealing device (11, 35, 41) is characterized in that a swivel mechanism (25, 37, 43) is provided for swivelling the sealing means (23) from a sealing position into a winding position and from a winding position into a sealing position.

Abstract: The invention relates to a roller shutter (10, 32, 42, 51) for opening and closing a doorway having a door leaf (11) and side rails (17) for guiding the door leaf (11), and having a coiling device (14) for selectively rolling up the door leaf (11) for opening the doorway and unrolling the door leaf (11) for closing the doorway. For reducing or avoiding the risk of creating a polygon effect and for providing a roller shutter (10, 32, 42, 51) comprising a door leaf having rigid shutter elements with an increased height and/or with the possibility of applying an increased speed for opening and/or closing the door leaf the roller shutter (10, 32, 42, 51) is characterized in that a separate guiding device (21, 33, 43) is provided for guiding the door leaf (11) in the area between the side rail (17) and the coiling device (14), wherein the guiding device (21, 33, 43) is arranged to adjust to an increasing diameter and to a decreasing diameter of the coiling device (14).

Abstract: The invention relates to a sealing device (11, 35, 41) for sealing a gap (32) between a lintel (30) and a roller shutter (10, 34, 40). The sealing device (11, 35, 41) has a sealing means (23) for arranging at the upper end of a top shutter element (24) of the roller shutter (10, 34, 40). For covering a gap (32) in a functional and/or cost-effective way between a lintel (30) and a roller shutter (10, 34, 40), preferably in case of a completely unrolled door blade (12), the sealing device (11, 35, 41) is characterized in that a swivel mechanism (25, 37, 43) is provided for swivelling the sealing means (23) from a sealing position into a winding position and from a winding position into a sealing position.

Abstract: The invention relates to a roller shutter for opening and closing a doorway (12) having a door blade (11), the door blade (11) comprises several rigid shutter elements (13) which are hinged with each other, the shutter elements (13) are guided by side rails (18) at opposed sides of the doorway (12), wherein each shutter element (13) provides an end piece (19) at each horizontally spaced end of the shutter element (13) for spacing layers of rolled up shutter elements (13) apart from each other, each end piece (19) has at least one concave section (27) for coiling the end pieces (19) on a coiling device (14) and/or in layers on top of each other.

Abstract: The invention relates to a panel shutter (10) for opening and closing a doorway (15) having a door blade (11), the door blade (11) comprises several rigid shutter elements (12) which are hinged with each other. Further damage to the panel shutter (10) caused by a deformation (22) of the door blade (11) and/or at least one shutter element (12) is avoided by a detection arrangement (24) for detecting a deformation (22) of at least one shutter element (12).

Abstract: The invention relates to a roller shutter (10, 32, 42, 51) for opening and closing a doorway having a door leaf (11) and side rails (17) for guiding the door leaf (11), and having a coiling device (14) for selectively rolling up the door leaf (11) for opening the doorway and unrolling the door leaf (11) for closing the doorway. For reducing or avoiding the risk of creating a polygon effect and for providing a roller shutter (10, 32, 42, 51) comprising a door leaf having rigid shutter elements with an increased height and/or with the possibility of applying an increased speed for opening and/or closing the door leaf the roller shutter (10, 32, 42, 51) is characterized in that a separate guiding device (21, 33, 43) is provided for guiding the door leaf (11) in the area between the side rail (17) and the coiling device (14), wherein the guiding device (21, 33, 43) is arranged to adjust to an increasing diameter and to a decreasing diameter of the coiling device (14).

Abstract: A mechanical link is provided to lessen or eliminate air infiltration between a topmost lamella of a rollup door and the lintel of the doorway. The link is deployed in an unfolded configuration to support the topmost lamella against deflection caused by application of a force perpendicular to the plane of the door. The link components are folded into a storage position upon rolling up of the door upon a series of take-up discs.

Abstract: An industrial rollup door to selectively cover a doorway opening or to provide industrial guarding is presented. The rollup door comprises door leaf, comprised of lamellae, or panels a flexible strip as a lifting belt for selectively lifting and lowering the door, a continuous dampening profile running along the outer surface of each lamellae near an end, and a rotatable spiral disc to accept the lamellae as the door is lifted and to release the lamellae as the door is lowered.

Abstract: A method and apparatus for preventing damage to an industrial door during an impact, the apparatus including a roller door having a plurality of lamellae, and a plurality of end pieces connectable to the lamellae. The industrial door also includes a drive system, connectable to the plurality of end pieces for raising and lowering the door. The lamellae include a plurality of openings formed therein and, arranged on at least one distal end thereof. The end pieces include a plurality of friction fit security devices for engaging the openings.

Abstract: A counterbalance system for a rollup door system having a drum in which the counterbalance provides a counter force acting at a distance from the center of rotation of the drum. The counter force is variable in both direction and magnitude at various angular positions of the drum.

Abstract: An industrial rollup door to selectively cover a doorway opening or to provide industrial guarding is presented. The rollup door comprises door leaf, comprised of lamellae, or panels a flexible strip as a lifting belt for selectively lifting and lowering the door, a continuous dampening profile running along the outer surface of each lamellae near an end, and a rotatable spiral disc to accept the lamellae as the door is lifted and to release the lamellae as the door is lowered.

Abstract: A counterbalance system for a rollup door system having a drum in which the counterbalance provides a counter force acting at a distance from the center of rotation of the drum. The counter force is variable in both direction and magnitude at various angular positions of the drum.

Abstract: A mechanical link is provided to lessen or eliminate air infiltration between a topmost lamella of a rollup door and the lintel of the doorway. The link is deployed in an unfolded configuration to support the topmost lamella against deflection caused by application of a force perpendicular to the plane of the door. The link components are folded into a storage position upon rolling up of the door upon a series of take-up discs.

Abstract: A method and apparatus for preventing damage to an industrial door during an impact, the apparatus including a roller door having a plurality of lamellae, and a plurality of end pieces connectable to the lamellae. The industrial door also includes a drive system, connectable to the plurality of end pieces for raising and lowering the door. The lamellae include a plurality of openings formed therein and, arranged on at least one distal end thereof. The end pieces include a plurality of friction fit security devices for engaging the openings.

Abstract: A rollup door comprising a door leaf of increasing width from top to bottom and having a narrower part on the top and a wider part on the bottom, and flexibility in the rolling direction; channels for guiding the door; and two modules for rolling and unrolling the door leaf so that a number of leaf layers do not come in contact. The modules are situated on each side of the door, have the same center axes and are successive radially enlarged so that on opening and closing of the door, the narrower and wider parts of the leaf engage the smaller and larger parts respectively of the modules.

Abstract: A rollup door comprising a door leaf of increasing width from top to bottom and having a narrower part on the top and a wider part on the bottom, and flexibility in the rolling direction; channels for guiding the door; and two modules for rolling and unrolling the door leaf so that a number of leaf layers do not come in contact. The modules are situated on each side of the door, have the same center axes and are successive radially enlarged so that on opening and closing of the door, the narrower and wider parts of the leaf engage the smaller and larger parts respectively of the modules.