Matches 1 - 50 out of 170 1 2 3 4 >
Match Document Document Title
7607263 Door operator system  
An operator for use in connection with a door system including an axle having an operator framework supporting an operator motor, the operator framework defining a clearance adapted to insertably...
7543410 Pneumatically operated system for controlling door operations  
A simplified pneumatic door control system provides door control operations for opening, closing, stopping and reversing a door. The door control system includes as control inputs a gas source, a...
7382063 Uninterruptible power source for a barrier operator and related methods  
An uninterruptible power source (UPS) for supplying power to a barrier operator when mains power has failed is disclosed. The UPS includes a UPS controller for detecting and responding to a mains...
7367160 Door operator system  
An operator for use in connection with a door system including an axle having an operator framework supporting an operator motor, the operator framework defining a clearance adapted to insertably...
7341129 Double-sided door braking equipment for a operator  
This invention relates to a double-sided equipment for a braking system, comprising a first braking pad, a second braking pad, a braking component, a fixing spring component, a compression spring,...
RE40001 Jack shaft garage door operator  
A jack shaft garage door operator for opening and closing a movable garage door has a drive containing an electric motor. A rotatable jack shaft is connected to the drive unit to be driven thereby....
7302775 Power bus and structure for a barrier movement operator  
A barrier movement operator with improved mounting and power distribution capabilities is disclosed. The disclosed system includes an elongate member mounted from an overhead structure in a...
7228883 Motorized barrier operator system utilizing multiple photo-eye safety system and methods for installing and using the same  
A movable barrier operator system includes a motorized operator which moves a barrier between limit positions, and a photo-electric safety system connected to the motorized operator. The...
7207142 System and related methods for signaling the position of a movable barrier and securing its position  
A system for signaling the position of a movable barrier includes a movable barrier; a motor coupled to the movable barrier for moving the movable barrier between limit positions; a position...
7174673 Jack-shaft operator assembly having connecting plate secured by a coupler to a drive member  
A shaft operator assembly for moving a door assembly which includes a movable door leaf and a door shaft attached to the door leaf for common movement together. A shaft connecting unit includes a...
7007427 Separating device for an overhead door  
A separating device for a door leaf that is moveable overhead has a coupling element movable between a coupling position, in which the coupling element couples an output element of the drive device...
6988527 Plug for counterbalancing mechanism, door assembly including the same and method of installing associated thereto  
A plug for operatively connecting a torsion spring onto a corresponding component of a counterbalancing mechanism of a door assembly. The plug includes a connecting portion for removably connecting...
6920717 Non-contact sensor system and mounting barrier  
A non-contact sensor system controls movement of a door moving in a first direction. The system includes a rigid mounting bracket attached to a leading edge of the door, a transmitter extending a...
6901703 Crash protection device  
Doors and breakaway mechanisms for use with a door are disclosed. A disclosed door includes a panel; a guide located adjacent a doorway opening; a carriage; and a coupling releasably securing the...
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....
6883273 Hydraulically operated overhead door  
An overhead door assembly in which the door assembly has a vertical closed position and a horizontal opened position, the door assembly including a frame having a horizontal support member and...
6878889 Garage door opener security device  
A device is provided to prevent unauthorized opening of the garage door by interrupting the flow of electrical power to the automatic garage door opener. A power-interrupting switch, suspended from...
6779306 Cable drive garage door opener  
A drive for doors, in particular garage doors, having door runners which are in each case arranged laterally and which are guided in fixed position rails, and having a drive unit having at least a...
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...
6694673 Eccentrically mountable plug for counterbalancing systems of garage doors and the like  
A plug for use in a counterbalancing mechanism of a cable-operated door. The plug is used for operatively connecting an overhead shaft to a torsion spring co-axially mounted thereon. The plug...
6651385 Retractable non-contact sensor system  
A non-contact sensor system controls movement of a door moving in a first direction by actuation of a device. The system includes a transmitter extending a predetermined distance beyond a leading...
6640496 Anti-drop device  
A door system including, a door movable between a closed vertical position and an open horizontal position, a cable attached to the door and normally providing a counterbalancing force to the door,...
6640494 Drive for closing devices with variable speed output  
A drive system for closing devices, for example gates or shutters, with a variable speed output drive and a device for detecting a given characteristic of the drive, and is varied to maintain a...
6557301 Locking device and door-drive device comprising the same, for a door operated by a motor assembly  
The invention relates to a locking device and a door-drive device comprising a locking device for a door which can be secured against opening by unauthorized persons using force from the exterior....
6442897 Counterbalance system cable drum for sectional doors  
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...
6418809 Drive spindle  
The invention relates to a drive spindle, in particular to drive garage doors, having recesses or projections disposed on the circumferential surface which can be connected to corresponding...
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...
6382005 Garage door locking apparatus  
A remote controllable dead bolt type of locking apparatus is to be retrofittedly mounted in conjunction with a conventional garage door which is to function to securely lock the garage door...
6381903 Auxiliary operating device for normally motor-driven closure  
An auxiliary closure operating device for manually operating an intermediate shaft normally driven by a motor in order to displace a closure between open and closed positions thereof. The device...
6374551 Moveable structural reinforcement system  
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...
6374543 Door opener apparatus with power transfer mechanism  
A garage door opener apparatus ( 10 ) with a transfer mechanism ( 50 ) is described. The transfer mechanism includes motor sprocket ( 59 ), chain ( 52, 52 A), drive sprocket ( 53, 53 A), shaft (...
6324787 Adapter for electric garage door openers  
An adapter for electric garage door openers including a sliding portion adapted for coupling with the track of the electric garage door opener. A pair of support bars extend between the sliding...
6318024 Overhead door failure prevention system and method of using same  
A system for servicing an overhead door having a spring counter balance mechanism, an operator and a directional control system. The servicing system includes a counter, information cards, and...
6234237 System for suspension of sound-absorbing elements and a method for cleaning of the elements  
A system for suspension in elongated bearing rails (1) of plate-shaped sound-absorbing elements (2) in such a manner that the elements, if desired, can be taken down for cleaning and disinfecting...
6189266 Safety brake mechanism for overhead sectional door  
The mechanism comprises a bracket, to which are mounted a fixed roller shaft and a rotatable brake shaft. The roller shaft has a roller which runs in the door track. A cylindrical torsion spring is...
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...
6173532 Automatic garage door opener  
A garage door opener is provided with a drive mechanism formed by a chain that runs in a track. The track is mounted on the platform of a mounting support that is hinged to the vehicle entry wall...
6164014 Cable control device for sectional overhead door  
A cable control device (10) for a sectional overhead door (11) having a motor-driven counterbalance system (30) including, a spring-loaded drive shaft (31), cable drums (33) carried by the drive...
6125582 Spring winder support for door counterbalance system  
A counterbalance system for an upward acting door includes spaced apart wall brackets supporting a tubular shaft for spaced apart cable drums operable to wind counterbalance cables thereon to...
6112464 Bracket for counterbalanced garage door  
An upward acting sectional door formed of rectangular door sections which are interconnected to form a closure over a door opening. Opposed somewhat L-shaped bottom brackets are secured to opposed...
6105312 Sectional gate  
A sectional gate assembly to move a sectional gate between an open position and a closed position by an upper and lower closing element. The upper closing element is flexibly connected with the...
6070361 Garage door operating system and method of operating a garage door  
A garage door operating system which includes a garage door, framing along which the garage door is positioned and travels between non-closed and closed positions, a signal generator which...
6041845 Garage door opening and closing system  
A new and improved garage door opening and closing system comprising a lower bar pivotably connected to the upper extent of a garage door. An associated intermediate bar is coupled with respect to...
5960849 Cable slack detector  
An apparatus that detects the occurrence of slack in a cable and that compensates for detected slack is disclosed. The apparatus includes body parts that are movable relative to each other between...
5955031 Carbon monoxide sensor  
A carbon monoxide sensing system is provided including a garage having an automatic door adapted to open only upon the receipt of an activation signal. Further provided is a carbon monoxide sensor...
5937579 Automatic door opener  
A door opener includes a motor in mechanical communication with a door, a first gas source for powering the motor, and a control system interposed to the first gas source and the motor. The control...
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...
5921611 Upwardly retracting vehicle door  
An upwardly retracting vehicle door is disclosed, such as for use on the rear of a mini-van. The door includes a lower primary door panel and an upper secondary door panel, such as a glass window,...
5918418 Overhead door operator  
An operator for an overhead door, such as a garage door, to raise and lower the door. The operator comprises a chain drive which is rotated about upper and lower pulleys and powered by a drive...
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...
Matches 1 - 50 out of 170 1 2 3 4 >