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| Number | Title | Issue Date |
| 8122933 | Sectional door A sectional door having a door frame, a door panel comprising sections coupled to another in articulated manner, a weight equalization device coupled to the door panel, and an electrical door drive for opening and closing movements of said door panel. The uppermost ... | 02/28/2012 |
| 8113263 | Barrier operator with magnetic position sensor A motorized operator for moving a barrier, such as a garage door, between open and closed positions, includes a magnetic sensor for determining position and/or velocity of the barrier. The operator motor is drivingly connected to a speed change transmission which is... | 02/14/2012 |
| 7967051 | Counterbalance system for upward acting door A torsion coil spring type counterbalance system for an upward acting door includes one or more sleeves disposed over or within the spring coils and engageable with a pre-determined number of spring coils during operation of the spring to modify the spring rate to m... | 06/28/2011 |
| 7845385 | Steerable trollies for movable partitions, partition systems including steerable trolleys, and methods of closing partitions An apparatus and method of directionally controlling a movable partition includes providing at least one roller assembly and a steering actuator, coupled therewith, to a portion of the partition. A controller may be used to control the steering actuator and thereby ... | 12/07/2010 |
| 7740046 | Method, apparatus and system for controlling a movable partition Various apparatuses, methods and systems for directionally controlling a movable partition are provided. In one embodiment, an apparatus may include at least one roller assembly coupled to a portion of a movable partition. A roller element of the roller assembly may... | 06/22/2010 |
| 7717155 | Pivoting barrier operator system with integral cable storage drum and transfer assembly An operator system for moving a barrier between limit positions, comprising an operator motor assembly mounted proximate to the barrier, at least a portion of said operator motor assembly movable depending upon an operating condition thereof; a counterbalance system... | 05/18/2010 |
| 7708048 | Automatic barrier operator system An automatic barrier operator system for operating a gate or upward acting garage door, for example, includes a controller for operating a reversible motor, a base radio frequency transmitter and a base radio frequency receiver. One or more remote control units incl... | 05/04/2010 |
| 7600550 | Automatic barrier operator system An automatic barrier operator system for operating a gate or upward acting garage door, for example, includes a controller for operating a reversible motor, a base radio frequency transmitter and a base radio frequency receiver. One or more remote control units incl... | 10/13/2009 |
| 7513293 | Method and apparatus for directionally controlling a movable partition An apparatus and method of directionally controlling a movable partition includes providing at least one roller assembly and a steering actuator, coupled therewith, to a portion of the partition. A controller may be used to control the steering actuator and thereby ... | 04/07/2009 |
| 7509991 | Parking barrier with accident event logging and self-diagnostic control system A parking area entrance or exit barrier includes a control system which receives inputs from various accessories associated with the operation of the barrier, and which provides control signals to the various accessories of the barrier. One of the accessories includ... | 03/31/2009 |
| 7478663 | Method, apparatus and system for directionally controlling a movable partition An apparatus and method of directionally controlling a movable partition includes providing at least one roller assembly and a steering actuator, coupled therewith, to a portion of the partition. A controller may be used to control the steering actuator and thereby ... | 01/20/2009 |
| 7401634 | Remote control operating system and support structure for a retractable covering for an architectural opening An improved retractable covering for an architectural opening includes an improved mounting bracket, an improved limit stop to prevent over-retraction and over-extension of the retractable covering, an improved battery pack mounting bracket for attaching a power sup... | 07/22/2008 |
| 7370684 | Door shutter mechanism A stacking mechanism for shutter members of a shutter mechanism, comprising: a rotatable screw with external thread of length L and pitch P1; a plurality of N traveling nuts mounted on the screw, having internal thread of pitch P1 and external thread o... | 05/13/2008 |
| 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 receive the axle therein, a gear assembly defining a bore in which the... | 05/06/2008 |
| 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, and an electromagnet, wherein the braking component located between t... | 03/11/2008 |
| 7339298 | Compliant motor driven variable electrical device A motor driven electrical device includes: a variable electrical device having a rotational variable control; a first support plate positioned above the variable electrical device; a motor support plate pliably attached to the first support plate using a pliable sep... | 03/04/2008 |
| 7327249 | Barrier operator system having multiple frequency receivers A barrier operator system is disclosed that is capable of receiving different wireless signals. The system includes a primary controller that is connected to a first receiver which receives a first wireless signal. And the system includes a second receiver circuit t... | 02/05/2008 |
| 7327107 | System and methods for automatically moving access barriers initiated by mobile transmitter devices An operator system and related methods for automatically controlling access barriers which includes a base controller associated with at least one access barrier and at least one base receiver associated with the base controller. The system also includes at least on... | 02/05/2008 |
| 7327108 | System and methods for automatically moving access barriers initiated by mobile transmitter devices An operator system and related methods for automatically controlling access barriers which includes a base controller associated with at least one access barrier and at least one base receiver associated with the base controller. The system also includes at least on... | 02/05/2008 |
| 7310911 | Automatic door opener with magnetic clutch An automatic door opener (10) for opening or closing a door (28) includes a motor (14) driving a drive shaft (50) and an opener arm (18) connected to the door (28) and being responsive to rotation of the drive shaft (50 | 12/25/2007 |
| 7310043 | System for automatically moving access barriers and methods for adjusting system sensitivity An operator system and related methods for automatically controlling access barriers including a controller associated with at least one access barrier and a transceiver associated with the controller for transmitting and receiving operational signals. The system al... | 12/18/2007 |
| 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 substantially horizontal manner. A head end of a barrier movement operator m... | 12/04/2007 |
| 7301480 | System and method for prioritizing sensors in a barrier operator system In a barrier movement operator comprising a controller hard-wire connected to a first safety sensor, it is determined whether a second safety sensor has been wirelessly connected to the controller. When it is determined that the second safety sensor has been wireles... | 11/27/2007 |
| 7299847 | Fire door control system and method A fire door control system permits user input during regular use and during alarm conditions. The system utilizes primary and secondary power sources and incorporates a variety of preventive safeguards assuring that functionality of the fire door control system will... | 11/27/2007 |
| 7300035 | Valve, actuator and control system therefor A valve actuator comprising a lower housing comprising a mounting spool that is operable to couple to a valve body. A rotating sleeve is disposed within the lower housing and coupled to a stem connector. A fixed sleeve in disposed within the lower housing and includ... | 11/27/2007 |
| 7289014 | System for automatically moving access barriers and methods for using the same An operator system and related methods for automatically controlling access barriers including a controller associated with at least one access barrier and a transceiver associated with the controller for transmitting and receiving operational signals. The system al... | 10/30/2007 |
| 7282883 | Pivoting and barrier locking operator system A system for moving a barrier between limit positions, includes an operator motor assembly mounted proximate to the barrier, wherein at least a portion of the motor assembly is movable between an operating position and a locking position with the motor assembly bloc... | 10/16/2007 |
| 7281565 | System for controlling roller tube rotational speed for constant linear shade speed A system for controlling a roller shade having a roller tube windingly receiving a shade fabric varies roller tube rotational speed for constant linear shade speed. The desired linear shade speed, roller tube diameter and shade fabric thickness and length are stored... | 10/16/2007 |
| 7270029 | Passive entry side door latch release system A vehicle passive entry side door latch release system engageable with a release cable connected a door latch includes a moveable linkage assembly engageable with the cable, and a motor including an output shaft engaged with a tensioning gear for driving a ratchetin... | 09/18/2007 |
| 7254918 | Emergency unlocking device for locking and unlocking systems for swinging sliding doors, in particular of rail vehicles An emergency unlocking device for locking and unlocking systems for swinging sliding doors, in particular of rail vehicles. The emergency unlocking device has a traction device that engages on a first spring-loaded pivoted lever that is connected via a second lever ... | 08/14/2007 |
| 7254868 | winding and anti-drop assembly for door counterbalance system A counterbalance system (25) for a door (D) movable between a closed position and an open position having an axle (20), a cable drum (15) attached to the axle, a winding shaft (35) interconnected with the axle by a counterbalance spring (... | 08/14/2007 |
| 7246647 | Overhead door locking operator A system for raising and lowering a sectional overhead door between an open position and a closed position including, a counterbalance system adapted to be connected to the door, an operator motor assembly mounted proximate to the sectional overhead door in the clos... | 07/24/2007 |
| 7219711 | Hydraulic door opening mechanism and method of installing a bi-fold door A hydraulic door opening mechanism for overhead bi-fold doors is herein disclosed. The door opening mechanism mounts a hydraulic pump, pressure reservoir, valve manifold, and a hydraulic motor or cylinder on a first door panel. The door opening mechanism is pre-asse... | 05/22/2007 |
| 7193502 | Operating system and methods for seeding a random serial number for radio frequency control of a barrier operator's accessories An operating system for a motorized barrier includes an operator for controlling movement of the barrier between various positions and an accessory. The system includes a wall station transmitter, a wireless keyless entry transmitter and/or a portable remote transmi... | 03/20/2007 |
| 7183732 | Motorized barrier operator system for controlling a stopped, partially open barrier and related methods A motorized barrier operator that moves a barrier between limit positions, includes a motor for moving the barrier between set limit positions. When the barrier is in a stopped, partially open position the operator implements at least a hybrid control sequence that ... | 02/27/2007 |
| 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 shaft connecting element and a connecting plate element and connects a... | 02/13/2007 |
| 7167076 | Universal garage door operating system and method A universal garage door operating system and method. In one embodiment, a vehicle transmitter is provided transmitting a wireless garage door transmitter control signal. A control module is provided for mounting in a structure such as a garage, and is adapted to rec... | 01/23/2007 |
| 7154410 | Multifrequency garage door opener A garage door power module is provided with the capability of operating over a number of different operating frequencies by configuring a power module chassis with a receptacle for receiving radio receivers where each of the receivers is adapted to receive one of th... | 12/26/2006 |
| 7146765 | Secured emergency release device and use of same The invention relates to an emergency release device for a building closure operator for decoupling a motorized building closure from a motor operator assembly under emergency conditions. To diminish the risk of injury by free-fall of a decoupled building closure wi... | 12/12/2006 |
| 7146345 | Parking barrier with accident event logging and self-diagnostic control system A parking area entrance or exit barrier includes a control system which receives inputs from various accessories associated with the operation of the barrier, and which provides control signals to the various accessories of the barrier. One of the accessories includ... | 12/05/2006 |
