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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8001725 | Shaft joint A shaft such as a worm drive shaft for a movable barrier operator is disclosed. The shaft includes at least two shaft segments having connection ends. The shaft segments include respective connection ends permitting a first connection end to be joined with a second ... | 08/23/2011 |
| 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 power failure and capable of generating a plurality of control signals... | 06/03/2008 |
| 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 |
| 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. A pull-up cable drum is connected to and driven by the jack shaft. A... | 01/15/2008 |
| 7315143 | Operating system utilizing a selectively concealed multi-function wall station transmitter with an auto-close function for a motorized barrier operator An operating system which utilizes a multi-functional wall station for a motorized barrier includes an operator for controlling movement of a barrier between various positions. The operator may receive signals from a wireless or wired wall station transmitter, a wir... | 01/01/2008 |
| 7311130 | Controlled drive for a garage door panel for the like The invention relates to a system to control the motor drive of a garage door panel which is reciprocatingly movable and guided along a predetermined track between two end positions, and possibly, one or more intermediate stop positions, said garage door panel inclu... | 12/25/2007 |
| 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 |
| 7263802 | Barrier movement operator having service reminders An electronic service reminder to automatically notify a user as to when and what type of maintenance should be performed on the garage door operator, based on a variety of factors, including time, materials and operating environment. The garage door operator is con... | 09/04/2007 |
| 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 |
| 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 photo-electric safety system monitors for obstructions at more than one height ... | 06/12/2007 |
| 7210379 | Rigging tool A rigging tool for use with a turnbarrel for joining ends of cables together in which the rigging tool has a first gripping member with a receptacle suitable for receiving a terminal end of a cable therein, a second gripping member having a receptacle suitable for r... | 05/01/2007 |
| 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 detection device that monitors the movable barrier to generate a barrier po... | 04/24/2007 |
| 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 |
| 7173514 | Operator for a movable barrier and method of use A modifiable transmitter is used with an operator to control a position of a barrier. The operator includes a controller for comparing radio frequency transmissions received with stored serial numbers so that the controller can move the barrier when a radio frequenc... | 02/06/2007 |
| 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 |
| 7164246 | Movable barrier operator A movable barrier operator having an electrical motor responsive to control signals for moving the barrier, a controller to control the barrier movements, and two command apparatuses for generating command inputs, which command apparatuses are located remotely from ... | 01/16/2007 |
| 7161319 | Movable barrier operator having serial data communication A wall control unit for a movable barrier operator sends baseband signals over a wire connection to a head unit of a movable barrier operator to command the movable barrier to perform barrier operator functions. The wall control unit has a wall control unit port for... | 01/09/2007 |
| 7128724 | Cervical spine brace and traction device A cervical spine brace and traction device incorporates a forwardly open head and jaw brace which is adjustably supported vertically above a forwardly collar member. The brace and the collar member have cooperating lateral wall sections having mating arcuate surface... | 10/31/2006 |
| 7111895 | Apparatus for pneumatic operation of transport container sliding door An apparatus for automatically operating a sliding door of a transport container is provided. The apparatus includes a sliding door, a drive mechanism and a pneumatic motor. The drive mechanism is coupled to the sliding door and configured to allow movement of the s... | 09/26/2006 |
| 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 by a motor. The driving assembly includes a connection member to whi... | 07/18/2006 |
| 7040675 | Linkage operated latching system A latching system includes a control unit that houses a remote signal responsive relay and a crank arm that is pivoted by the armature of the relay when the relay is energized to oppositely move a pair of elongate links each of which is connected to a separate latch... | 05/09/2006 |
| 7034486 | Barrier operator controller with user adjustable force setpoint A control unit for a moveable barrier, such as a garage door, includes a microcontroller connected to a motor speed detector, motor current sensor or a sensor for determining forces exerted on or by the barrier. A user interface includes user actuatable switches for... | 04/25/2006 |
| 7011347 | Latch for section doors and the like, and operating sets including said latch A latch for a section door wherein near the hinges located between the door elements there are provided, at each end of the elements, small rolling wheels which turn on horizontal pivots and slide within side guide bars having a vertical branch, an upper horizontal ... | 03/14/2006 |
| 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 to the structural component, and a freewheeling position, in which t... | 03/07/2006 |
| 6996935 | Gate regulator A gate regulator increases the productivity of unloading agricultural material from forage boxes. The gate regulator enables a box gate to swing open without restriction, but the gate is controlled for slow swinging closed. At a gate release position, the gate regul... | 02/14/2006 |
| 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 the plug onto the corresponding component, a substantially cylindric... | 01/24/2006 |
| 6963267 | Operator for a movable barrier and method of use A modifiable transmitter is used with an operator to control a position of a barrier. The operator includes a controller for comparing radio frequency transmissions received with stored serial numbers so that the controller can move the barrier when a radio frequenc... | 11/08/2005 |
| 6955206 | Upward acting sectional door An upwardly acting sectional door (24), including a plurality of panels (40), body portions (50) of the panels constructed of a flexible polymeric material and having a front surface (55), a cladding (80) covering the front surface... | 10/18/2005 |
| 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 distance beyond a leading edge of the door at a first door end for tra... | 07/26/2005 |
| 6907323 | Vehicle equipped with a system for remote control of an opening panel and system for producing such control The invention concerns a vehicle comprising a system enabling a user to control remotely an actuating mechanism (1) connected to an opening panel, in particular a boot opening panel (8). The control system comprises means, equipping the vehicle, for co... | 06/14/2005 |
| 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 carriage to the panel. The coupling releases the panel from the carria... | 06/07/2005 |
| 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. The flexible actuator is tensioned with a biasing mechanism to minim... | 04/26/2005 |
| 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 first and second vertical members fixedly mounted to either end of the ho... | 04/26/2005 |
| 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 a desired overhead location in the garage, is interposed between the... | 04/12/2005 |
| 6845804 | Overhead door locking operator An operator (10, 210) for moving in upward and downward directions a sectional door (D) having a counterbalancing system (30) including a drive tube (31) interconnected with the door comprising, a reversible motor (41), a drive gear (5... | 01/25/2005 |
| 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 motor and a driving gear. The drive unit has two rope pulleys arrange... | 08/24/2004 |
| 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 includes a cylindrical collar and a cylindrical flange. The cyl... | 02/24/2004 |
| 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 edge of the door at a first door end for transmitting a sig... | 11/25/2003 |
