Matches 1 - 50 out of 82 1 2 >
Match Document Document Title
7617860 Elevator door system  
An elevator door system includes a motor rotating a vertical reel, and an elevator door. The door can be formed of a plurality of vertically aligned rigid panels or can be a sheet of material which...
7076917 Driving system for garage door  
A driving system for a garage door includes a track having an end fixed on an inside of a wall and has an open side that faces upward. A driving assembly is movably received in the track and driven...
6981538 Positional control device for sectional doors  
A positional control device is provided to prevent accidental drifting of an overhead sectional door upward or downward from a fully opened, partly opened or fully closed position. The device...
6883579 Drive system for garage door  
A drive system is provided for a moveable barrier, such as a garage door, that limits unauthorized shifting thereof. The drive system includes a flexible actuator for raising and lowering the door....
6742564 Spring force safety locking system for sectional doors  
Hardware that improves safety and minimizes the risk involved in installing, maintaining, and operating sectional doors that use springs to facilitate door movement. A lock-on side bearing bracket...
6719033 Power operated multi-paneled garage door opening system  
The present invention discloses the novel placement of two pairs of vertical track disposed adjacent to each other together with a pair of radiused horizontal tracks being attached to the outer...
6674255 Remote controlled window treatment and/or lighting system  
An improved window covering and lighting system for a window in a room includes a plurality of cornices, each cornice including a window covering supported by the cornice and movable between an...
6588156 Sectional door operator alignment method  
A method of aligning a door operating system for operating an upwardly acting door including an operator that directly interrelates with a counterbalance assembly in the door operating system to...
6554047 Guide track assemblies and mounting brackets for upward acting doors  
Guide track assemblies for upward acting doors include substantially linear vertical and horizontal track sections and curvilinear transition sections formed as portions of each of the vertical and...
6401792 Motorized operator for doors  
An operating system for controllably moving in upward and downward directions a sectional door (D) in relation to a door frame ( 12 ) having a pair of jambs ( 13, 14 ) and an interconnecting header...
6325134 Disconnect for sectional door operation  
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...
6311757 Door or gate closure  
The invention relates to a door or gate closing mechanism having essentially rectangular closing elements disposed horizontally and in parallel to one another which are movable in manner...
6230785 Electrically-driven closure apparatus for building  
An electrically-driven closure apparatus for building includes a shutter curtain, a driving device for driving the shutter curtain to open and close an opening, a load detecting spring disposed...
6179036 Automatic overhead door opening system with dual motor drive and automatic door lock  
An automatic overhead door opening system for a transport container whereby to operate the displacement of a panel door from a closed position to an open position. The system is housed in a...
6145568 Object maneuvering arrangement  
A door maneuvering arrangement for opening and closing a door. The arrangement includes a line loop connected to a part of the door, a drive wheel, a motor for reversibly rotating the drive wheel...
6092582 Motor drive for an electric rolling steel door  
A motor drive for a rolling steel door which includes a motor and a speed reducer driven by the motor to take up/let off the rolling steel door. A brake disk is rotated with the motor shaft of the...
5934776 Device for slowing the downwards travel of a vertically sliding wardrobe door  
A device for slowing a downward movement of a sliding door of a wardrobe includes a free-wheel consisting of a driving portion and a driven portion. The driven portion is coaxially aligned with the...
5936842 Housing for electric-drive units  
The invention takes as its departure point a housing (10) for receiving electric drives (16, 18, 20), in particular garage-door drives, and/or the controls (24, 26) thereof, which housing exhibits...
5860365 Tensioning device for flexible drive member  
A tensioning device is connected to a flexible drive member by a right-hand threaded member on the drive member, which projects through an opening in the wall of a trolley. The threaded member is...
5642767 Up closing fire door  
A fire door system is disclosed wherein the fire door is up closing in that it includes an up closing partition. Further, the fire door is fail-safe in that in the absence of continuous controls...
5544691 Reversing mechanism for an overhead door opener  
A reversing mechanism for an overhead door opener is described. The reversing mechanism includes a channel-form trolley track. A centrally positioned longitudinal slot extends for the length of a...
5484007 Vertical lift gate with strip cladding in guideways  
A lifting door includes a plurality of slats pivotally connected one to the other for pivotal movement about horizontal axes. Each slat carries at opposite ends a guide. Guide tracks are disposed...
5371970 Garage door locking apparatus  
A garage door includes a door connector assembly in operative communication with a garage door carriage track, wherein the connector assembly mounts a plurality of cables, wherein each cable is...
5222327 Side mount garage door operator  
A side mount garage door operator capable of being positioned on either the ceiling or end wall of a garage at either side of the garage door on a frame unit, the operator providing a clutch for...
5205070 Door maneuvering arrangement  
A drive arrangement for maneuvering a generally vertically moveable door, the arrangement comprising at least one bendable door lifting element which is connected to at least one of the two...
5159967 Improvements in and relating to roller doors  
A roller door assembly has means for tensioning same wherein a load is applied to a bottom edge of the roller and means for counterbalancing the weight of the door wherein a load is applied to the...
5046544 Rollup door vibrating damping device for trucks and the like  
A vibrating damping device is provided for a roll up door on a truck and the like. The roll up door has a plurality of door panels hinged together that ride within a frame. The device consists of a...
5036899 Panel garage door opening and closing  
An opening-closing mechanism for a hinged panel or sectional overhead garage door which is located laterally along the top door panel and has an integrally associated electric motor and speed...
5010688 Garage door operator with plastic drive belt  
A garage door operator for moving a garage door between open and closed posiitons includes a head unit for being held by a support structure positioned remote from the door with the head unit...
4984399 Automobile enclosure  
A portable, strong, lightweight, low-height automobile housing or garage encloses an automobile on five sides. A roll up rear door provides for entry of an automobile. The driver side wall and roof...
4885872 Garage door operator with plastic drive belt  
A garage door operator includes a head unit held by a supporting structure remote from the garage door. A rail has a first end held by a supporting structure adjacent the door and a second end...
4827667 Self-locking garage door operator  
The invention relates generally to motorized garage door operating apparatus and, more specifically, to such apparatus including mechanical locking means which automatically disengages at the onset...
4811777 Device for at least partly closing a vertical opening in a building and its use as a mechanical anti-freeze shutter  
A device for at least partially closing a vertical passage-way opening in a building by means of a continuous transversely stiff and longitudinally flexible curtain supported on each side by a...
4638433 Microprocessor controlled garage door operator  
A microprocessor controlled garage door operator which eliminates lower and upper limit switches on the garage door in that the upper and lower limits are set in a program mode of the...
4538661 Garage door operator and method of assembling  
A garage door and opener which can be manufactured as separate units and shipped in pre-assembled units and which can be easily and quickly assembled and installed by one or more persons. The door...
4472910 Integral device for garage door opener  
An improved closure operator as for example for a garage door opener wherein a motor is coupled to the drive shaft of the door at one end thereof to drive pull-up and pull-down pulleys and a clutch...
4434900 Free standing article display apparatus  
A free standing article display apparatus includes detachable panel and post combinations which may be rapidly assembled and disassembled to provide a wide variety of forms and configurations for...
4417418 Air powered door operator  
For a system in which an overhead door is raised or lowered by a combination of a cable, spring, drum and torsion bar which is rotated by a chain-driven sprocket, a pair of pneumatic cylinders...
4374537 Collapsing closure system and operating mechanism  
Vertical and non-vertical collapsing panel closures for various applications are disclosed. The closure has reduced stacking height when collapsed and possesses a more energy efficient panel...
4303117 Vertically collapsing closure system  
A vertically collapsing closure system comprising a door consisting of a plurality of rectangular panels in a side-by-side arrangement with each said panel being hingedly connected to each adjacent...
4243091 Door opening apparatus for large overhead doors  
A structure for mounting and apparatus for opening, closing, and locking a large, overhead door is adapted for buildings constructed on terrain which is not level and having floor and overhead...
4230309 Gas spring with automatic locking mechanism  
A gas spring includes a cylinder having two axial portions of different cross section and two pistons mounted on a common piston rod and respectively matching the cross sections of the cylinder...
4191237 Garage door operator  
Garage door opener for simple installation and to fully actuate various counterbalanced doors of different makes with minimum mechanism, and to be packaged and sold as a compact kit. The opener is...
4047441 Mechanical counterbalance assembly  
A mechanical counterbalance assembly for an overhead, track mounted, aircraft door includes a frame, a shaft mounted for rotation in the frame, and a torsion spring interconnected between the shaft...
4026343 Counterweighted bifold closures  
A closure consisting of a bifold door which is weight balanced in any given position and which, when fully opened, occupies the minimum of space. The door consists of two unequal rectangular bifold...
4001969 Garage door structure  
A garage door structure includes a pair of doors each movable between a closed position and an open position for the side-by-side door openings. The garage door structure includes components for...
3934635 Overhead door for a container having a vertical opening such as a truck trailer  
An overhead door for the vertical opening of a truck trailer comprises a plurality of panels connected together by hinges, which extend the width of the panels and are confined within the panel....
3842892 ROLLING DOOR OPERATING MECHANISM  
A safety mechanism for a rolling door operating mechanism for preventing accidental descent of the door which includes a pair of adjacent rotating blocks having limited angular motion relative to...
3757845 OVERHEAD STACKED FOLDING DOOR  
Folding door apparatus including a plurality of panels hinged together in accordian fashion are raised and lowered along parallel spaced guide channels by a winding drum and cable; one end of the...
3713472 VEHICLE CLOSURE SYSTEM  
A station wagon tailgate type vehicle closure system operable in a randomly interchangeable manner in either one of a power mode and a manual mode, the system including a closure, an operator...
Matches 1 - 50 out of 82 1 2 >