Patent application number | Description | Published |
20080197808 | Method and apparatus for battery-backed power supply and battery charging - Apparatuses, systems, and methods for providing battery-backed power to movable partitions are disclosed. A power converter generates a DC output from an AC input. The DC output may be selectively decoupled from an enabled DC output such that the DC output can be monitored for acceptable operation in-situ. The enabled DC output may be selectively coupled to a battery output terminal. A charge current may be sensed between the enabled DC output and the battery output to control charging of the battery with a pulse-width modulation operation by controlling the selective coupling of the enabled DC output to the battery output. The enabled DC output and the battery output are coupled in a logical-or configuration to generate a supply output providing current from the enabled DC output and the battery. The supply output may drive a movable partition controller and a motor configured for opening and closing a movable partition. | 08-21-2008 |
20080244991 | VISION PANEL FOR MOVABLE PARTITION, MOVABLE PARTITIONS AND RELATED METHODS - Apparatuses and methods are provided for visual inspection across a barrier such as a fire door. In one embodiment of the present invention, a first movable partition is disposed adjacent, and laterally spaced from, a second movable partition. A first vision panel is disposed in the first partition and a second vision panel is disposed in the second partition in substantial alignment with the first vision panel. The position of the first vision panel is substantially constrained with respect to the position of the second vision panel along a first longitudinal direction. The first vision panel and the second vision panel are enabled to exhibit a desired amount of lateral displacement relative to each other. | 10-09-2008 |
20080264578 | 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 be configured to maintain contact with an adjacent surface (e.g., a floor) while the partition is displaced along a desired path even though the adjacent surface may exhibit unevenness, undulations or other substantially nonplanar surface features. In one embodiment, the apparatus may be configured to maintain a substantially constant force between the roller element and the adjacent surface. In another embodiment, the apparatus may be configured to maintain a force between the roller element and the adjacent surface substantially within a specified range. A steering actuator may also be used to select, or change, the orientation of the roller assembly with respect to the partition. | 10-30-2008 |
20090044918 | METHOD OF LATCHING AN ACCORDIAN FOLDING PARTITION - A partition system is provided as well as an apparatus and method for securing movable partitions. In one embodiment, a movable partition, such as a folding door, includes a post member (e.g., a lead post) having a latching structure associated therewith. Another post member, such as associated with a wall or another movable partition, includes a latching structure configured to form a magnetic coupling with the first latching structure. One of the latching structures may be slidingly displaced relative to its associated post member so as to selectively bring the two latching members into or out of alignment with one another. When a magnetic coupling has been formed, relative displacement of the two latching structures results in the weakening, if not defeat, of the magnetic coupling so that the post members, and their associated partitions, may be displaced away from one another. Other latching structures are also disclosed. | 02-19-2009 |
20090096622 | SYSTEMS AND METHODS FOR MONITORING AUTOMATIC DOORS - Methods and systems are provided for monitoring an automatic door system. In one embodiment, an automatic door system may include a door system controller coupled to one or more input devices. The door system controller may be configured to receive data representative of an operational parameter of the automatic door system. At least one monitor display may be operably coupled to the door system controller and configured to display information regarding the operational parameter of the input devices. A remote display device interface may be configured to operably couple at least one remote display device to the door system controller. The at least one monitor display may be configured to automatically change from a master configuration to a slave configuration when the at least one remote display device is operably coupled to the door system controller. | 04-16-2009 |
20090120595 | STEERABLE TROLLIES FOR MOVEABLE 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 select, or change, the orientation of the roller assembly with respect to the partition. In one embodiment, one or more sensors may be used to determine the vertical orientation of the partition including whether the partition, or a section thereof, is substantially plumb. If the partition is substantially out of plumb, for example, if a lower edge of the partition is laterally displaced relative to an upper edge of the partition, the controller and steering actuator may cause the at least one roller assembly to direct the partition, or section thereof, in a particular direction until the partition, or section thereof, becomes substantially plumb. | 05-14-2009 |
20090188633 | FOLDING PARTITIONS, COMPONENTS THEREFOR AND RELATED METHODS - Folding partitions and related methods and components are provided and may include accordion-style folding doors or partitions having multiple folding panels. In one embodiment, a folding partition includes one or more baffling devices. The baffling device may include an elongated enclosure having a first opening proximate a first longitudinal end of the elongated enclosure, a second opening proximate a second longitudinal end of the elongated enclosure, and a flow path extending from the first opening to the second opening. A sound attenuation chamber may be disposed adjacent the at least one insulative channel disposed adjacent at least a portion of the flow path. In one embodiment, the baffling device may be disposed in, or otherwise associated with, a jamb component of the partition. In another embodiment, the baffling device may be disposed in, or otherwise associated with, the hinged connection of panel sections of a partition panel. | 07-30-2009 |
20100078134 | METHOD AND APPARATUS FOR BATTERY-BACKED POWER SUPPLY AND BATTERY CHARGING - Apparatuses, systems, and methods for providing battery-backed power to movable partitions are disclosed. A power converter generates a DC output from an AC input. The DC output may be selectively decoupled from an enabled DC output such that the DC output can be monitored for acceptable operation in-situ. The enabled DC output may be selectively coupled to a battery output terminal. A charge current may be sensed between the enabled DC output and the battery output to control charging of the battery with a pulse-width modulation operation by controlling the selective coupling of the enabled DC output to the battery output. The enabled DC output and the battery output are coupled in a logical-or configuration to generate a supply output providing current from the enabled DC output and the battery. The supply output may drive a movable partition controller and a motor configured for opening and closing a movable partition. | 04-01-2010 |
20100102764 | METHODS, SYSTEMS, AND DEVICES FOR A MOTOR CONTROL SYSTEM - Systems, devices, and methods for controlling a motor are disclosed. A method may include determining a rotational direction of a motor from a pair of quadrature signals sent to a microprocessor. The method further includes adjusting an internal count stored in the microprocessor at each edge of each of the pair of quadrature signals. The method further includes adjusting an external count stored in the microprocessor and transmitting an interrupt to a main controller after the first phase signal and the second phase signal have transitioned through each combinational logic state in one of a forward rotational direction and a reverse rotational direction. The method further includes transmitting a signal comprising the rotational direction of the motor and the external count from the microprocessor to a main controller. | 04-29-2010 |
20100214709 | METHODS AND SYSTEMS RELATING TO OVERCURRENT CIRCUIT PROTECTION - Systems and methods for providing overcurrent circuit protection are disclosed. A method of providing overcurrent circuit protection may include setting a threshold current value according to an operational state of a motor and sensing an amount of current being supplied to the motor. The method may further include electrically isolating the motor from a current source if the sensed current amount is greater than the threshold current value. | 08-26-2010 |
20100257793 | MOVABLE PARTITIONS, PROTECTIVE CLIPS FOR MOVABLE PARTITIONS, AND RELATED METHODS - Protective clips for movable partitions include a guard portion that protrudes from a top major surface of a base portion. The guard portion extends along the top major surface proximate to a front side of the base portion. The guard portion also may extend along the top major surface proximate to at least one end side surface a longitudinal end of the base portion. Movable partitions include one or more such protective clips. The protective clips optionally may be used to attach a sweep strip to panels of a movable partition. Methods of forming such protective clips include molding the clips within a mold cavity. | 10-14-2010 |
20110005689 | MOTOR CONTROL SYSTEMS, FOLDABLE PARTITIONS EMPLOYING MOTOR CONTROL SYSTEMS, METHODS OF MONITORING THE OPERATION OF ELECTRIC MOTORS AND FOLDABLE PARTITIONS - Motor control systems comprise a motor control circuit, a processing circuit operably coupled to the motor control circuit, and a current sensor operably coupled to the processing circuit. The current sensor may be configured to sense a current and to convey a signal to the processing circuitry proportional to the amount of current sensed. The processing circuitry may be configured to sample the signal to obtain a plurality of current values, to store the plurality of current values and to generate an operation profile from the plurality of current values. Folding partitions comprising motor control systems are also disclosed, as well as methods of monitoring the operation of an electric motor and of monitoring for an obstruction of a folding partition. | 01-13-2011 |
20110061820 | VISION PANEL FOR MOVABLE PARTITION, MOVABLE PARTITION SYSTEM AND RELATED METHOD - Apparatuses and methods are provided for visual inspection across a barrier such as a fire door. In one embodiment of the present invention, a first movable partition is disposed adjacent, and laterally spaced from, a second movable partition. A first vision panel is disposed in the first partition and a second vision panel is disposed in the second partition in substantial alignment with the first vision panel. The position of the first vision panel is substantially constrained with respect to the position of the second vision panel along a first longitudinal direction. The first vision panel and the second vision panel are enabled to exhibit a desired amount of lateral displacement relative to each other. | 03-17-2011 |
20110088322 | CLOSURE ASSEMBLIES FOR FIRE DOORS, FIRE DOORS INCLUDING SUCH CLOSURE ASSEMBLIES AND METHODS OF LOCKING FIRE DOORS - In one embodiment, a closure assembly for a fire door, including a first lead post having a longitudinal cavity located therein, an opening extending through a wall of the first lead post into the longitudinal cavity and a locking member may be positioned within the longitudinal cavity that is configured to obstruct the opening into the longitudinal cavity upon reaching a predetermined temperature, is disclosed. In additional embodiments, fire doors including such closure assemblies and methods of locking fire doors are disclosed. | 04-21-2011 |
20110093095 | 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 be configured to maintain contact with an adjacent surface (e.g., a floor) while the partition is displaced along a desired path even though the adjacent surface may exhibit unevenness, undulations or other substantially nonplanar surface features. In one embodiment, the apparatus may be configured to maintain a substantially constant force between the roller element and the adjacent surface. In another embodiment, the apparatus may be configured to maintain a force between the roller element and the adjacent surface substantially within a specified range. A steering actuator may also be used to select, or change, the orientation of the roller assembly with respect to the partition. | 04-21-2011 |
20110259532 | FOLDING PARTITIONS HAVING PROTECTED ACTUATION DEVICES AND RELATED METHODS - Movable partitions and systems are provided and may include accordion-style folding doors or partitions having sheets of folding panels. In one embodiment, the movable partition may include at least two hinge panels indirectly connecting adjacent folding panels. The hinge panels may have laterally space the adjacent folding panels from one another such that a compartment is formed upon retraction or folding of the sheets of folding panels. One or more control devices, such as an actuation device or a display panel, may be mounted on at least one of the hinge panels, or on the panel disposed between hinge panels such that, when the movable partition is in a retracted or folded state, the actuation devices are housed within the compartment. | 10-27-2011 |
20120012259 | METHODS, APPARATUSES, AND SYSTEMS FOR MOVABLE PARTITIONS - Movable partition systems include a movable partition coupled to and movable along a track. The movable partition may comprise at least two accordion folding sheets of panels, a motor carried by the movable partition, and at least one electronic component unit configured to control the motor. The electronic component unit may be carried by the movable partition and disposed between the sheets of folding panels. Methods of installing a movable partition system include coupling an electronic component box to a floating door jamb within a movable partition. | 01-19-2012 |
20120055004 | METHODS OF FORMING PROTECTIVE CLIPS FOR MOVABLE PARTITIONS AND METHODS OF INSTALLING PROTECTIVE CLIPS FOR MOVABLE PARTITIONS - Protective clips for movable partitions include a guard portion that protrudes from a top major surface of a base portion. The guard portion extends along the top major surface proximate to a front side of the base portion. The guard portion also may extend along the top major surface proximate to at least one end side surface at a longitudinal end of the base portion. Movable partitions include one or more such protective clips. The protective clips optionally may be used to attach a sweep strip to panels of a movable partition. Methods of forming such protective clips include molding the clips within a mold cavity. | 03-08-2012 |
20120055638 | MOVABLE PARTITIONS AND PROTECTIVE CLIPS FOR MOVABLE PARTITIONS - Protective clips for movable partitions include a guard portion that protrudes from a top major surface of a base portion. The guard portion extends along the top major surface proximate to a front side of the base portion. The guard portion also may extend along the top major surface proximate to at least one end side surface at a longitudinal end of the base portion. Movable partitions include one or more such protective clips. The protective clips optionally may be used to attach a sweep strip to panels of a movable partition. Methods of forming such protective clips include molding the clips within a mold cavity. | 03-08-2012 |
20120085501 | LATERAL RESTRAINT ASSEMBLIES AND MOVABLE PARTITIONS INCLUDING LATERAL RESTRAINT DEVICES - Embodiments of the present invention include movable partitions and devices, methods and systems that help to limit or prevent lateral displacement of movable partitions. In accordance with one embodiment of the present invention, a movable partition includes two structures, each structure having a first plurality of panels, and each panel being hingedly coupled to an adjacent panel. The two panels are each supported from an overhead track at laterally spaced locations. One or more lateral restraint devices are supported from the overhead track at a location between the two laterally spaced structures. The lateral restraint device may include a trolley disposed in a channel of the overhead track and an elongated member coupled with the trolley and extending away from the trolley to a location proximate a lower edge of the first structure and a lower edge of the second structure. | 04-12-2012 |
20120124923 | MOVABLE PARTITION SYSTEMS INCLUDING INTUMESCENT MATERIAL AND METHODS OF INSTALLING SUCH MOVABLE PARTITION SYSTEMS - Movable partition systems comprise a movable partition. A track may be configured to engage with the movable partition such that the movable partition is extendable along the track. A first mass of intumescent material may be positioned adjacent the track on a first side of a gap defined by the track. A second mass of intumescent material may be positioned adjacent the track on a second, opposing side of the gap defined by the track. At least one shroud may at least partially surround the track and may be configured to confine expansion of the first and second masses of intumescent material toward one another across the gap. An intumescent material may be sandwiched in a gap between a leading end of a lead post at a distal end of the movable partition and a cap at least partially surrounding the leading end to define the gap. | 05-24-2012 |
20120133319 | METHODS, SYSTEMS, AND DEVICES FOR A MOTOR CONTROL SYSTEM - Systems, devices, and methods for controlling a motor are disclosed. A method may include determining a rotational direction of a motor from a pair of quadrature signals sent to a microprocessor. The method further includes adjusting an internal count stored in the microprocessor at each edge of each of the pair of quadrature signals. The method further includes adjusting an external count stored in the microprocessor and transmitting an interrupt to a main controller after the first phase signal and the second phase signal have transitioned through each combinational logic state in one of a forward rotational direction and a reverse rotational direction. The method further includes transmitting a signal comprising the rotational direction of the motor and the external count from the microprocessor to a main controller. | 05-31-2012 |
20120180390 | SYSTEMS AND METHODS FOR MONITORING AUTOMATIC DOORS - Monitoring systems for automatic doors comprise at least one input device configured for sensing at least one characteristic of at least one operational parameter of an automatic door system, a door system controller coupled to the at least one input device, at least one monitor display comprising a first interface operatively coupled to the door system controller, and at least another interface operatively coupled to the monitor display and configured to be operatively coupled to at least one remote display device. The at least one monitor display is configured to continuously request information representative of the at least one operational parameter characteristic from the door system controller and display the information. Methods of monitoring an automatic door system comprise transmitting data representative of an operational parameter characteristic from an input device to at least one door system controller; sending a description of the operational parameter to a monitor display continuously; and displaying indicia representative of the description of the operational parameter. | 07-19-2012 |
20120187703 | SECURING MECHANISMS FOR PARTITIONS, PARTITION SYSTEMS INCLUDING SAME, AND RELATED METHODS - Partition systems comprise a first post member attached to a foldable partition, a securing mechanism attached to the first post member and comprising at least one permanent magnet switch configured to selectively apply a significant attractive magnetic force, and at least another post member comprising a material responsive to the applied significant attractive magnetic force of the at least one permanent magnet switch. Methods of securing a partition system comprise bringing a first post member of a foldable partition proximate at least another post member; and manipulating at least one permanent magnet switch attached to the first post member to selectively apply a significant attractive magnetic force to the at least another post member. | 07-26-2012 |
20120304541 | METHODS, APPARATUSES, AND SYSTEMS FOR CONTROLLING LATERAL DISPLACEMENT OF A MOVABLE PARTITION - Apparatuses, methods and systems for directionally controlling a movable partition are provided. In one embodiment, an apparatus for controlling lateral displacement of a movable partition includes a bracket, a roller assembly, a first attachment bracket, and a second attachment bracket. The roller assembly is coupled to the bracket and includes a roller element. The first attachment bracket attaches to a first panel of the movable partition and is configured for hinged coupling to a first side of the bracket such that a first pivot line substantially coincides with a centerline of the first panel. The second attachment bracket attaches to a second panel of the movable partition and is configured hinged coupling to a second side of the bracket such that a second pivot line substantially coincides with a centerline of the second panel. | 12-06-2012 |
20120305201 | METHODS, APPARATUSES, AND SYSTEMS FOR RESISTING LATERAL DISPLACEMENT OF MOVABLE PARTITIONS - Apparatuses, methods and systems for directionally controlling a movable partition are provided. In one embodiment, an apparatus for controlling lateral displacement of a movable partition includes a bracket, a roller assembly, a first attachment bracket, and a second attachment bracket. The roller assembly is coupled to the bracket and includes a roller element. The first attachment bracket attaches to a first panel of the movable partition and is configured for hinged coupling to a first side of the bracket such that a first hinge axis substantially coincides with a centerline of the first panel. The second attachment bracket attaches to a second panel of the movable partition and is configured hinged coupling to a second side of the bracket such that a second hinge axis substantially coincides with a centerline of the second panel. | 12-06-2012 |
20120325412 | LEADING END ASSEMBLIES FOR MOVABLE PARTITIONS INCLUDING SENSOR ASSEMBLIES, MOVABLE PARTITION SYSTEMS INCLUDING SENSOR ASSEMBLIES AND RELATED METHODS - Leading end assemblies for movable partitions may include at least one sensor assembly configured to detect a force applied to a leading surface of a leading structure of the leading end assembly. Movable partition systems may include a plurality of hingedly coupled panels and a leading end assembly. The leading end assembly may include a trolley movably coupled to a track and at least one sensor assembly configured to detect movement of the leading structure relative to the trolley when the movable partition is moved from a retracted position to an extended position. Methods of operating a movable partition may include monitoring a displacement of a leading structure of a leading end assembly of the movable partition relative to another portion of the leading end assembly with a sensor assembly and ceasing movement of the movable partition in response to a signal from the sensor assembly. | 12-27-2012 |
20130008618 | METHODS, APPARATUSES, AND SYSTEMS FOR SPEED CONTROL OF A MOVABLE PARTITION - A movable partition system includes a movable partition including coupled panels and a lead post engaged with and movable along a track. A motor control system includes a motor coupled to the movable partition and a switching circuit coupled to the motor and for selectively coupling the motor to a positive power source and a negative power source responsive to one or more PWM signals. An encoder is configured for generating one or more rotation signals indicative of operational direction and operational speed of the motor. A motor controller is coupled to the switching circuit and is configured for improving airflow around the panels of the movable partition when the lead post of the movable partition is between a predefined position and a fully retracted position indicative of a billowing effect for the panels by adjusting pulse widths of the PWM signals to control rotational speed of the motor. | 01-10-2013 |
20130248123 | 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 be configured to maintain contact with an adjacent surface (e.g., a floor) while the partition is displaced along a desired path even though the adjacent surface may exhibit unevenness, undulations or other substantially nonplanar surface features. In one embodiment, the apparatus may be configured to maintain a substantially constant force between the roller element and the adjacent surface. In another embodiment, the apparatus may be configured to maintain a force between the roller element and the adjacent surface substantially within a specified range. A steering actuator may also be used to select, or change, the orientation of the roller assembly with respect to the partition. | 09-26-2013 |
20130284382 | LATERAL RESTRAINT ASSEMBLIES, MOVABLE PARTITIONS INCLUDING LATERAL RESTRAINT DEVICES AND RELATED METHODS - Embodiments of the present invention include movable partitions and devices, methods and systems that help to limit or prevent lateral displacement of movable partitions. In accordance with one embodiment of the present invention, a movable partition includes two structures, each structure having a first plurality of panels, and each panel being hingedly coupled to an adjacent panel. The two panels are each supported from an overhead track at laterally spaced locations. One or more lateral restraint devices are supported from the overhead track at a location between the two laterally spaced structures. The lateral restraint device may include a trolley disposed in a channel of the overhead track and an elongated member coupled with the trolley and extending away from the trolley to a location proximate a lower edge of the first structure and a lower edge of the second structure. | 10-31-2013 |
20140041813 | LEADING END ASSEMBLIES FOR MOVABLE PARTITIONS INCLUDING SENSOR ASSEMBLIES, MOVABLE PARTITION SYSTEMS INCLUDING SENSOR ASSEMBLIES AND RELATED METHODS - Leading end assemblies for movable partitions may include at least one sensor assembly configured to detect a force applied to a leading surface of a leading structure of the leading end assembly. Movable partition systems may include a plurality of hingedly coupled panels and a leading end assembly. The leading end assembly may include a trolley movably coupled to a track and at least one sensor assembly configured to detect movement of the leading structure relative to the trolley when the movable partition is moved from a retracted position to an extended position. Methods of operating a movable partition may include monitoring a displacement of a leading structure of a leading end assembly of the movable partition relative to another portion of the leading end assembly with a sensor assembly and ceasing movement of the movable partition in response to a signal from the sensor assembly. | 02-13-2014 |
20140216670 | METHODS FOR SPEED CONTROL OF A MOVABLE PARTITION - A movable partition system includes a movable partition including coupled panels and a lead post engaged with and movable along a track. A motor control system includes a motor coupled to the movable partition and a switching circuit coupled to the motor and for selectively coupling the motor to a positive power source and a negative power source responsive to one or more PWM signals. An encoder is configured for generating one or more rotation signals indicative of operational direction and operational speed of the motor. A motor controller is coupled to the switching circuit and is configured for improving airflow around the panels of the movable partition when the lead post of the movable partition is between a predefined position and a fully retracted position indicative of a billowing effect for the panels by adjusting pulse widths of the PWM signals to control rotational speed of the motor. | 08-07-2014 |