Abstract: A shutter includes a shutter panel 10 having a plurality of plates 1 which are rotatably connected to one another by hinge members 2, and a pair of guide rails 4 formed with guide grooves 40 which slidably hold opposite end edges of the shutter panel 10. By using the hinge members 2 which connect the adjacent plates 1 to each other so that the plates are rotatably bent only in a direction in which a curvature becomes greater than a portion of the guide groove 40 having a minimum curvature, it is possible to smoothly open and close the shutter even when the curvature of the guide rail 4 is varied along the sliding direction of the shutter panel 10.

Abstract: A cable attachment bracket secured to the bottom panel of a multi-paneled garage door to prevent unwanted disconnection of a garage door counterbalancing mechanism from the garage door panel.

Abstract: A pivoting bracket for connecting adjacent panels of an articulated door. The pivoting bracket has a generally cylindrical base and an arm rigidly connected to and extending from the base. The arm has a mounting face on a base side which is generally parallel to a tangent to the base. A recess extends into at least one end of the base, generally co-axially therewith, for receiving a guidewheel shaft. The pivoting bracket interacts with adjacent articulated door panels to mount the panels to a guide track and allow articulated movement without requiring or modifying a conventional hinge. The arm has a first part proximal the base and a second part distal the base. The second part is securable to an upper articulated door panel. The base extends into a channel provided on a rearward face of a lower articulated panel. The base form of the arm pivots and interlocks itself relative to the channel while the door articulates.

Abstract: The invention relates to a shutter for closing openings with pivotal shutter elements, the rotational axes of which are arranged parallel to each other. Better sealing is achieved in that the shutter elements consist of at least two wings that are solidly joined together and arranged almost parallel to each other. The wings of the shutter elements are oriented substantially parallel to the plane of the opening, thus closing it on both sides, in a first position and substantially normal to the plane of the opening, thus clearing said opening, in a second position.

Abstract: A drive mechanism for use with an overhead shaft of a sectional door for raising and lowering the door via a rotation of the overhead shaft. The drive mechanism has a support structure, a first gear, a drive shaft, a second gear, a pocket wheel and an actuator. The second gear is interconnected to the first gear so that a rotation of the second gear is transmitted to the first gear and vice versa. The pocket wheel is operable between first and second positions. The second gear is rotatable along a first direction corresponding to a raising of the sectional door and along an opposite second direction corresponding to a lowering of the sectional door. The actuator is used for rotating the pocket wheel about the drive shaft, operating the pocket wheel between the first and second positions, and driving the second gear along the first and second directions when the pocket wheel is in the second and first positions respectively.

Abstract: A plug for use in a counterbalancing mechanism of a cable-operated door. The plug is mounted about an overhead shaft and used for operatively connecting the overhead shaft to a torsion spring coaxially mounted thereon. The plug includes a cylindrical collar and a cylindrical flange. The cylindrical collar has opposite first and second portions. The collar is provided with a hooking slot for hooking a free end of the torsion spring therein and the torsion spring has a segment coaxially mounted about the first portion of the collar. The cylindrical flange is rigidly affixed to the second portion of the collar. The flange is used for transferring a torque between the torsion spring and the overhead shaft when the flange is securely fixed about the overhead shaft. The plug further includes a shouldering floor of a given length faced against the hooking slot and extending inside the collar, from the second portion towards the first portion thereof, between the collar and the overhead shaft.

Abstract: For overhead folding doors which are molded from plastic, the panels have a front wall formed at its upper edge in a slightly recessed arcuate tenon and providing at the bottom a recessed area behind a bottom edge. The panels are adapted to be hingedly connected with the bottom edge of an upper panel following a path in close proximity to the tenon of a lower panel to provide a pinch proof hinging arrangement.

Abstract: A storage device is provided with a sliding lid slidably contacting guide rails formed at both side ends of an opening of the storage device, and when the sliding lid is stored in an accommodating section formed continuously to a rear end of the opening, the sliding lid opens at the storage device. In the storage device, in sliding sections where the guide rails and sliding lid slidably contact each other, there are formed buffer sections for allowing the sliding lid to be displaced toward a direction orthogonal to a sliding direction. Therefore, the buffer sections are deformed during the opening and covering movements, so a play can be eliminated.

Abstract: An overhead door and associated mating panels include enhanced wear surfaces and protection against the intrusion of climatic elements or the like in the form of a combined weather seal, light block and wear insert on the upper and/or lower edges of the mating adjacent door panels. The wear surfaces are utilized during the opening and closing of the door so that frictional interaction or rubbing between the mating edges is minimized to reduce wear and damage to the panels over the service life of the door. Additionally, the wear insert portion reduces a gap between the mating edges of the adjacent panels to provide enhanced protection without requiring increased roll forming tolerances on the panel manufacturing process. Moreover, the invention includes upright projecting weather seal and light blocking portions that are positioned in a gap formed at the juncture of the mating panels. When the door is closed, the weather seal and light blocking portions are deflected.

Abstract: An overhead door and associated mating panels include enhanced wear surfaces and protection against the intrusion of climatic elements or the like in the form of a combined weather seal and wear insert on the upper and/or lower edges of the mating adjacent door panels. The wear surfaces are utilized during the opening and closing of the door so that frictional interaction or rubbing between the mating edges is minimized to reduce wear and damage to the panels over the service life of the door. Additionally, the wear insert portion reduces a gap between the mating edges of the adjacent panels to provide enhanced pinch-resistant or pinch-proof protection without requiring increased roll forming tolerances on the panel manufacturing process. Moreover, the invention includes an upright projecting weather seal portion that is positioned in a gap formed at the juncture of the mating panels.

Abstract: A release mechanism for protecting a sectional door under impact allows one or more door panels to breakaway from its guide track without damaging the door. The release mechanism includes a snap-in pin that can be selectively repositioned to provide various operating modes. Examples of operating modes include unidirectional release, bi-directional release, and a disabled mode. In some cases, the breakaway threshold is greater in one direction than another. In the disabled mode, the release mechanism is not meant to release. Some embodiments include a door locking mechanism that still allows the release mechanism to operate.

Abstract: An apparatus for winding a spring on a shaft, such as for counterbalancing a roll-up door, includes a housing that carries a transmission which is positionable over the shaft. The transmission is configured to be coupled via a connector to one end of the spring, while the other end of the spring is fixed to the shaft. Rotation of the transmission results in a turning of the connector and a winding and/or elongation of the spring.

Abstract: An upwardly acting sectional door system including, a door (D) having a plurality of hinged door sections (16-18) movable between a closed vertical position and an open horizontal position, a drive tube (31) mounted above the door in the closed vertical position, an operator (11) selectively directionally rotatably driving the drive tube, cable drums (35) mounted on the drive tube for rotation therewith by the operator, springs (60) mounted in operative relation to the cable drums, and counterbalance cables (75) reeved about the cable drums and interconnecting the springs and the door to counterbalance the door when moving between the closed vertical position and the open horizontal position.

Abstract: A wind-resistant sectional overhead door (21) selectively moveable between an open position and a closed position relative to a door opening defined by spaced vertical jambs (23,24) and a horizontal header (25) extending therebetween including, a plurality of elongate horizontal panels (40-43) pivotally connected at the top and bottom edges (48, 49) of adjacent of the panels, roller tracks (31, 32) mounted on the vertical jambs to either side of the door, roller shafts (65) mounted at the ends of the panels, guide rollers (66) carried by the roller shafts and engaging the roller tracks, and restraining members (70, 170) for limiting axial movement of the roller shafts, whereby the roller shafts and the panels are tension-loaded when the door is in the closed position to prevent buckling of the panels under applied wind forces. The restraining members may be replaced by or supplemented with tension rod assemblies (225, 325).

Abstract: An overhead door movement blocking system for selectively blocking opening of an overhead door with a device that is easily and quickly removable and transferred to other overhead doors. The overhead door movement blocking system includes a block device for positioning in the channel of the guide track of an overhead door structure to obstruct movement of the guide roller of an overhead door in the channel past the block device. The block device has inner and outer faces, and an aperture is formed in the block device for aligning with a hole in the base wall of the guide track when the block device is positioned in the channel of the guide track. The aperture extends between the inner and outer faces. The block device has opposite first and second ends, with the first end being positionable adjacent to the guide roller of the overhead door. The first end has a concave face for positioning adjacent to and abutting the guide roller.

Abstract: The invention relates to sectional doors for garages, industrial warehouses the like, formed by panels (1, 2) joined together in an articulated manner by hinges (3).

Abstract: A door driving-mechanism torque transmission (20, 40, or 50) for transmitting torque from a door-driving motor assembly, especially a geared motor (36), to a shaft (33) connected to a door panel (31). A driving component rotates around an axis and can be engaged with the door-driving motor assembly. A driven component rotates around another axis and can be engaged with the shaft. A bearing assembly accommodates both components mounted on separated axes of rotation. There is a coupling connection (2) between both components.

Abstract: The invention relates to a safety edge for horizontally pivoted rolling gates actuated by a motor unit. It consists of a profile (11) made of rubber or other soft flexible material and having a base (14) for its application to a rolling date, and of two electrical conductors (15, 16) extending longitudinally into the soft profile, parallel and normally separate from one another. The conductors move closer in the presence of a deforming thrust on said profile, to come into contact and enable an electrical circuit to send a signal for stopping the rolling gate motor unit.

Abstract: A roll-up door has a plurality of horizontally extended panels hinged together to permit the door to be moved between a vertical-orientation and a horizontal orientation relative to a doorway. A frame has border side members, a center member, and a top member secured to the outside to the panels exposes portions of the front walls of the panels. The exposed portions of the panels have door facades whereby the garage door has the appearance of two or more doors.

Abstract: A counterbalance system (10) for an upwardly acting door (D) movable on tracks (T, T) between a closed position and an open position having, a drive tube (31) adapted to be mounted above the door in the closed position, a cable drum assembly (30) mounted proximate each end of the drive tube, a cable connecting each cable drum assembly and the door, a cylindrical member (40) on the cable drum assembly, a cable receiving surface (42) on the cylindrical member extending laterally between the door and the tracks and receiving multiple layers (F, S) of the cable during movement of the door from the closed position to the open position, whereby the cable avoids engagement with the door during movement between the closed position and the open position.

Abstract: In combination, a window frame and a series of bars carried by the frame for bodily movement toward and away from a side of the frame, said bars having ends, and locking members to lock opposite ends of the bars in window protecting positions thereof, and wherein the bars have been moved way from said side of the frame. Louvers may also be carried by the bars, for added security, and for decorative effect.

Abstract: A guiding mechanism for use in combination with an industrial door that includes an extension member extending across a doorway when the door is in a doorway blocking position is provided. The guiding mechanism includes a guard bracket extending along the doorway and having a mounting segment and a guard segment, and a track extending along the doorway and including a guideway for receiving a roller of the extension member and for guiding the roller as the door moves between blocking and unblocking positions. The track is affixedly mounted to the mounting segment such that the guard segment protects the track from an obstacle during a track impact condition.

Abstract: Sectional garage door panels are provided with elongated reinforcing beams secured to the inside surface of the panels by supporting a beam on a panel with spaced apart support brackets secured to the panel and securing the beam to the panels at spaced apart points thereon with mechanical fasteners. The beams are preferably channel shaped and the support brackets each include a beam locating projection for accurately locating the beams on a panel and in engagement with panel reinforcing stiles to facilitate quickly securing the beams to the panel with mechanical fasteners. The panels are erected in a doorway and supported by opposed guide tracks prior to installing the beams on the panel to facilitate handling the panels and the beams during shipment and prior to installation.

Abstract: A method and apparatus for counterbalancing a roll-up door uses a conventional coil spring having adjacent coils engaging each other. The spring is elongated to provide for spring growth during the winding of the spring. A worm gear box operates to wind the elongated spring and retain the spring in the wound position to continuously apply torsion force to a shaft operatively connected to the door the counterbalance the door.

Abstract: A drop-catch mechanism for preventing a door leaf of an overhead door from falling down upon breakage of a balancing spring thereof, the mechanism comprising an input member for coupling with a balancing spring of the overhead door, a ratchet wheel for coupling with a winding axle carrying the door leaf of the overhead door, a pawl, and means for moving the pawl from a free position that allows rotation of the ratchet wheel to a catching position that blocks rotation of the ratchet wheel, the means for moving the pawl being configured such that, in use, breakage of a balancing spring coupled to the input member causes the pawl to move from the free position to the catching position, characterized in that the means for moving the pawl from the free position into the catching position comprise a positive mechanical drive extending from the input member to the pawl.

Abstract: Hardware designed to improve safety and minimize the risk involved in installing, maintaining, and operating sectional doors that use spring mechanisms to facilitate door movement. A lock-on side bearing bracket bears up a spring mechanism on a garage door. This side bearing bracket includes a hook and a perpendicular tab to prevent the spring mechanism from dangerously releasing its energy when parts supporting the spring mechanism are removed or fail. A lock-on bottom roller bracket having a bottom bearing plate and a safety hook similarly prevents a potential, dangerous release of energy when the garage door lift cable is in tension. A safety latch with a latch bar and a latch cover acts as a lock for the garage door. The use of multiple safety features makes the garage door systems of the present invention particularly safe to operate and maintain.

Abstract: The invention relates to a drive for doors, in particular garage doors, having door runners which are in each case arranged laterally at the moving part of the door and which are guided in fixed position rails, and having a drive unit consisting at least of a motor and a driving gear. In accordance with the invention, the drive unit has two rope pulleys arranged in counter rotating manner, with the two free ends of a respective rope being wound on each rope pulley. The rope ends cooperate with the door runners such that the door can be opened or closed via the rotational movement of the rope pulleys.

Abstract: A sectional roll-up door has two generally planar panels having confronting longitudinally extending edges, a hinge between the panels at the edges, a seal extending longitudinally along one of the edges and operatively engageable with the other of the edges, and an element for heating the seal. Each panel comprises a pair of parallel and spaced skins, edge strips bridging the skins and forming the edges, and a mass of insulation between the skins. The heater is provided at the edges.

Abstract: A storage riser for mounting atop a work surface has an open-front wall structure including rear, side and top walls and a bifold door assembly for closing the front opening. The door assembly has an upper panel hingedly connected to the front of the top wall and a lower panel hingedly connected to the bottom of the upper panel for pivotal movement between a vertical, unfolded, closed position and a non-vertical, folded, open position disposed in the storage compartment adjacent to the top wall. Coupling brackets respectively project inwardly of the compartment from the opposite sides of the lower panel adjacent to its upper end, the brackets respectively carrying guide rollers which respectively roll in channel tracks on the side walls. Opening of the door assembly is assisted by gas springs, respectively disposed adjacent to the side walls and having cylinders pivotally coupled to the coupling brackets and rods pivotally coupled to the side walls adjacent to the lower end of the front opening.

Abstract: A sectional upward acting door includes interconnected door panels which are formed with generally planar outer and inner wall parts and upper and lower edges which cooperate to provide a pinch resistant joint between door panels when they are pivoted relative to each other. Spaced apart snap together hinge assemblies and snap in place guide roller support brackets may be used to assemble the door by moving the panels into assembly with each other between the door guide tracks. The panel edge profiles are formed by a convex surface on an upper edge of one panel and a cooperating concave multiple planar segment surface on the lower edge of the adjacent panel. An elongated seal strip may be secured in a groove in the lower edge of one panel and engageable with the apex of the upper edge of the adjacent panel.

Abstract: A flexible retractable screen assembly is disclosed for any garage door of the type that ends with the garage door substantially parallel to a garage floor when in a fully opened condition. The assembly includes a frame sub-assembly with bases 21R, 21L, 31R, 31L symmetrically disposed in the corners of an entire interior side of a garage door. Vertically positioned flexible track members 41L, 41R disposed at opposite ends of garage door are mounted, elevated off door to traverse an entire height of garage door, in respective end corner bases 21R, 31R or 21L, 31L. Flexible dual-purpose conjunctive rods 60L, 60R, disposed at opposite ends, slidably engages respective tracks 41L, 41R and screen sub-assembly attachment slips 90L, 90R. Fixedly attached to each rod 60L, 60R above and below screen sub-assembly attachment slips 90L, 90R to restrict their movement are respectively, a horizontal support brace 82 and a concert drag 72.

Abstract: A building aperture cover reinforcing device includes a support post having a first end spaced apart from a second end by a middle portion. Engagement pins extend from each end of the post, and linking hooks extend from the middle portion of the post. An upper anchoring assembly adapted for securement to an upper boundary wall of a building aperture selectively maintains the first engagement pin in a securing orientation, while the second engagement pin is selectively held in place by a lower anchor plate. The linking hooks engage corresponding linking plates disposed on the selected aperture cover. Each engagement pin includes bracing notches that engage corresponding edges of pin apertures located within the anchoring assembly and anchor plate, when the post shifts laterally. The bracing notches prevent vertical motion of the post during negative wind loads and positive wind loads.

Abstract: A shutter comprising a shutter panel and a pair of guide rails including curved portions and holding both end portions of the shutter panel slidably. Each of the guide rails includes straight members comprised of parallel tie plates and interval plate connecting central portions thereof mutually to have a H-shaped section and corner members comprising curved plates succeeding to said tie plates. The both end portions of the shutter panel are inserted slidably between inner half portions of the tie plates partitioned by the interval plates, and outer half portions of the tie plates are mounted to a fixing portions to thereby enable smooth sliding movement of the shutter panel within the guide rails.

Abstract: A locking system for a roll-up door that is substantially integrated into the roll-up door so that the locking resists vandalism and damage.

Abstract: A moveable structural reinforcement system is described including a moveable panel adapted to substantially close a building opening, the panel including variable shear load resistance means for regulating the shear stiffness of the building when the panel is in a closed position.

Abstract: A combination stop and seal member (10) for a door (12) operatively movable between an open position and a closed position in relation to a door frame (13) including, a base (60) for attaching the member to the door frame, a projecting arm (70) extending from the base toward the door in angular relation thereto, a stop block (73) at a distal end (72) of the projecting arm for engaging the door when the door is in the closed position, and a flexible member (75) extending from the projecting arm at a location adjacent to the stop block to sealingly engage the door when the door is in the closed position.

Abstract: A plug for use in a counterbalancing mechanism of a cable-operated door The plug is mounted about an overhead shaft and used for operatively connecting the overhead shaft to a torsion spring coaxially mounted thereon. The plug includes a cylindrical collar and a cylindrical flange. The cylindrical collar has opposite first and second portions. The collar is provided with a hooking slot for hooking a free end of the torsion spring therein and the torsion spring has a segment coaxially mounted about the first portion of the collar. The cylindrical flange is rigidly affixed to the second portion of the collar. The flange is used for transferring a torque between the torsion spring and the overhead shaft when the flange is securely fixed about the overhead shaft. The plug further includes a shouldering floor of a given length faced against the hooking slot and extending inside the collar, from the second portion towards the first portion thereof, between the collar and the overhead shaft.

Abstract: A pivoting bracket for connecting adjacent panels of an articulated door. The pivoting bracket has a generally cylindrical base and an arm rigidly connected to and extending from the base. The arm has a mounting face on a base side which is generally parallel to a tangent to the base. A recess extends into at least one end of the base, generally co-axially therewith, for receiving a guidewheel shaft. The pivoting bracket interacts with adjacent articulated door panels to mount the panels to a guide track and allow articulated movement without requiring or modifying a conventional hinge. The arm has a first part proximal the base and a second part distal the base. The second part is securable to an upper articulated door panel. The base extends into a channel provided on a rearward face of a lower articulated panel. The base of the arm pivots and interlocks itself relative to the channel while the door articulates.

Abstract: This patent application addresses people's safety when utilizing garage doors. It is aimed at fortifying the safety of garage door utilization. This is accomplished by adding a braking mechanism design onto the garage doors that stops the doors from shutting down when an object or a person or an animal is in its path. It is a mechanical invention and could apply to existing garage doors or introduced into a new door designs.

Abstract: Guide track assemblies for upward acting doors include identical vertical and horizontal linear track sections and a curvilinear transition track section. The linear track sections include spaced-apart elongated slots formed at acute angles with respect to the longitudinal extent of the track sections for cooperation with retainer members mounted on angle-shaped jamb brackets. A header bracket also includes one or more retainer members thereon for disposition in similar elongated slots formed in the curvilinear track section. The linear track sections fit in telescoping relationship within enlarged end portions of the curvilinear track section. The configurations of the header brackets, jamb brackets and track sections facilitate quick assembly and easy positional adjustment of the track sections with respect to a door opening covered by a door guided by the track assemblies.

Abstract: A reinforced garage door panel construction comprises a sandwich panel system having inner and outer skins with interconnecting insulating material, a continuous reinforcing strip extending along an inner face of the inner skin and secured to the inner face, a modified “Z” shaped structural member extending substantially the length of the panel and secured to the inner skin at the continuous reinforcing strip by fasteners which extend through the skin and into the continuous reinforcing strip, the modified “Z” shaped structural member having a web with an upstanding front flange and a depending rear flange, the depending rear flange having an inwardly extending lip extending essentially parallel to the web and the depending flange having spaced apart reinforcing beads extending the length of the depending flange.

Abstract: A sectional upward acting door includes interconnected door panels which are formed with generally planar outer and inner wall parts and upper and lower edges which cooperate to provide a pinch resistant joint between door panels when they are pivoted relative to each other. Spaced apart snap together hinge assemblies and snap in place guide roller support brackets may be used to assemble the door by moving the panels into assembly with each other between the door guide tracks. The panel edge profiles are formed by a convex surface on an upper edge of one panel and a cooperating concave multiple planar segment surface on the lower edge of the adjacent panel. An elongated seal strip may be secured in a groove in the lower edge of one panel and engageable with the apex of the upper edge of the adjacent panel.

Abstract: An operating system (10) for controllably moving a sectional door (D) between open and closed positions comprising a counterbalancing system (30) having a drive tube interconnected with the sectional door (D) and an operator motor (40) mounted adjacent to the drive tube (31), a drive train interconnecting the drive tube (31) and the operator motor (40) for selectively driving the drive tube (31) for moving the sectional door (D) between the open and closed positions, a coupler (50) in the drive train selectively retractable from a driving position and a remotely-actuated disconnect assembly (60) operatively attached to the coupler (50), wherein the disconnect assembly (60) retracts the coupler (50), whereby the sectional door (D) may be manually moved toward either of the open position and the closed position.

Abstract: A collapsible door assembly includes first and second jambs secured to two opposite walls. A fixing strip is secured to the first jamb. A first track-fixing member is mounted on an end of the first jamb. A second track-fixing member is mounted on an end of the second jamb. A track is securely mounted between the first track-fixing member and the second track-fixing member. A number of door leaves are mounted between the fixing strip and the second jamb. Each two adjacent door leaves are pivotable one relative to the other. Each door leaf includes a first end section and a second end section, the first end section including a swirl portion, the second end section of each door leaf being configured to be pivotally coupled with the swirl portion of an adjacent door leaf. The first end section of one of two outermost door leaves is pivotally connected with the fixing strip.

Abstract: A release mechanism for use in combination with an industrial door, which includes an extension member extending across the doorway opening when the door is in its doorway-blocking positions, the releasing mechanism including a roller mounted for movement with the extension member, and a track including a guideway for receiving the roller and guiding it during normal door operation, the roller and track being movable relative to each other upon application of a breakaway force to the extension member, thereby allowing the roller to escape from the track when a breakaway force is applied to the extension member, the breakaway force being defined as a force that has a component perpendicular to the plane of the door above a certain magnitude.

Abstract: Improved operating devices for reversible blinds, in such a way that the movement of the latter is caused when the projections (8) of the slats (101) mesh into the two driving pinions (60) and (62), which move simultaneously thanks to two couples of transmission pinions (59) and (61) and intermediate wheels (63) and (64), reverting the hand operating device on the first transmission pinion (59) through a bevel wheel (58) moved by a bevel pinion (57), which is operated by means of a handle (52) through four separating pinions (56), while the motorized operating device reverts on the first transmission pinion (59) through a two stage reducing device of the planetary type and a motorization gear (78); having the slat hook (104) been modified to adapt to the inward cranked flange (107) which, in turn, occupies more than half of the width of the slat (101).

Abstract: An improved release mechanism for use in combination with an industrial door, which includes an extension member extending across the doorway opening when the door is in its doorway-blocking positions, the releasing mechanism including a roller mounted for movement with the extension member, and a track including a guideway for receiving the roller and guiding it during normal door operation, the roller and track being movable relative to each other upon application of a breakaway force to the extension member, thereby allowing the roller to escape from the track when a breakaway force is applied to the extension member, the breakaway force being defined as a force that has a component perpendicular to the plane of the door above a certain magnitude.

Abstract: A threshold assembly for a garage door for preventing moisture and air drafts from entering the garage under the garage door. The threshold assembly for a garage door includes at least one elongate base member being made of pressure treated wood; and also includes an elongate channel member being securely fastened about the at least one elongate base member; and further includes two height-adjustable mounting bracket securely attached to the ends of the at least one elongate base member and the elongate channel member and being height-adjustably mounted to the garage door track with the elongate channel member being disposed in vertical alignment with the garage door.

Abstract: The invention refers to a door with a door leaf consisting of one or more members that can swivel relative to each other, which is movable in a frame mounted on a building, guided on the side, from a vertical closed position into at least an approximately horizontal open position, where the door has a counterweight unit that is formed of at least one helical spring mounted on a horizontal pinion and that can be pre-tensioned by means of rotation, where the pinion is mounted directly on the door leaf with the helical spring. According to the invention, the pinion is mounted on the upper section of the door leaf in the closed state of the door.

Abstract: In accordance with the invention a device in door arrangements is provided comprising a plurality of door panels which by hinge means are hingedly interconnected in sequence to pivot axes. The door panels are arranged to be guided by rollers arranged between guide tracks and the door panels for guided movement of said panels along the guide tracks extending along the intended path of movement of the door. The pivot axes of each hinge means is portioned between the side walls of contacting door panels. The hinge means hingedly interconnecting said contacting door panels comprise a convex member forming part of one of said contacting door panels and a concave member forming part of the other one of said contacting door panels. The members extend along the edges of the corresponding contacting door panels with their axes coinciding with pivot axis. The members form a bearing face, and the convex member is a separate component.