Abstract: 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.

Abstract: Movable partition systems includes a movable partition engaged with and movable along a longitudinal track and a lead drive box coupled to the movable partition and engaged with the track. The lead drive box is configured to move along the track and move the movable partition along the track. The lead drive box includes a trolley for disposition within the track, a motor coupled to the lead drive box, and a rotatable drive member coupled to the lead drive box and the motor. The rotatable drive member engages an elongated drive member extending along the track to motivate the lead drive box and the movable partition attached thereto along the track when engaged with the motor and the motor is rotating. An electronics module disposed within the lead drive box is configured for controlling operation of the motor responsive to signals originating from sources carried by the lead drive box.

Abstract: Movable partition systems include a drive mechanism including a motor positioned at least partially on a side of a track opposite a movable partition. Automatically movable partition systems include a movable partition movable along a track and a motor configured to move the movable partition, the motor positioned on a side of the track opposite the movable partition. Methods of installing a movable partition system include coupling a movable partition to a track, positioning a drive mechanism at least partially on a side of the track opposite the movable partition, and coupling an elongated drive member to the movable partition. Methods of moving a movable partition along a track include actuating a drive mechanism positioned at least substantially in a header recess. Drive modules for a movable partition system and other methods of installing a movable partition system including attaching a motor to a section of track are also disclosed.

Abstract: Movable partition systems include a vertical alignment structure including at least one roller element coupled to a portion of a movable partition and a ramp configured to abut against the at least one roller element to vertically align the portion of the movable partition to engage with a strike plate. Methods of vertically aligning the movable partition include coupling at least one vertical alignment structure to the movable partition including coupling at least one structural frame member to the movable partition and coupling the at least one roller element to the at least one structural frame member and installing at least one ramp to an overhead structure configured to abut the at least one roller element and vertically align a leading end of the movable partition.

Abstract: 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.

Abstract: 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.

Abstract: A header assembly for a movable partition includes an overhead track and a header pan. The header pan is configured to extend from the overhead track to an adjoining structure. The header pan, the overhead track, or a combination of both may form a fire-resistant barrier extending from a wall of the adjoining structure to an opposing wall of the adjoining structure. Movable partition systems may include header assemblies. Methods of forming header assemblies include positioning a header pan proximate to an overhead track and extending the header pan between a first wall and a second wall to at least substantially occlude a section of space therebetween. Methods of installing a movable partition include securing an overhead track to an overhead support structure, securing a retainer clip to an adjoining structure, extending a header pan from the overhead track to the retainer clip, and suspending a partition from the track.

Abstract: Movable partitions and movable partition system include a header assembly and a movable partition. The header assembly may comprise an elongated overhead track including a first channel, a second channel, and a central channel between the first and second channels. A plurality of support bracket attachment features may be included with at least one support bracket attachment feature on each of an outer surface of the first channel and an outer surface of the second channel. A support bracket may be coupled to each of the support bracket attachment features. The movable partition may comprise a plurality of panels connected to one another with hinge-like member and may be suspended from the overhead track. Embodiments of overhead tracks and methods of forming header assemblies are also disclosed.

Abstract: A retention clip for a movable partition includes a top portion and a base portion. The top portion includes an elongated member having a top surface and a bottom surface. The base portion includes an elongated member having a front surface, a back surface, and a side surface. The base portion further includes an extended side portion extending at an angle relative the front surface. A related movable partition system includes a plurality of interconnected panels, a first retention clip and a second retention clip connected to one of the plurality of interconnected panels proximate a first interface and a second interface. A related method for restricting relative movement of adjacent panels of a movable partition includes connecting a first retention clip and a second retention clip each having an extended side portion extending at an angle from a base portion proximate an interface between a pair of adjacent panels.

Abstract: 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 an 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 an operation of an electric motor and of monitoring for an obstruction of a folding partition.

Abstract: 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.

Abstract: Partition systems comprise a track and at least one partition configured to hang from and move along the track. A control box configured to contain at least a power supply for supplying power to a drive system, a floating jamb, and a trolley configured to attach to the floating jamb and rollingly engage with the track are also included. The trolley comprises at least one frame member comprising a jamb attachment portion configured to attach to the floating jamb, a distance from the jamb attachment portion to a rearmost surface of the at least one frame member opposite an end of the at least one frame member configured to face the at least one partition being less than or equal to a thickness of the control box in a direction at least substantially parallel to a direction of movement of the trolley. At least one support roller is attached to the at least one frame member and configured to engage with the track.

Abstract: Movable partition systems may include a chain guide structure extending along a curved path. The chain guide structure may have a specified maximum width, and may include attachment flanges that project laterally from a central beam beyond laterally outward ends of chain guide members of the chain guide structure by a specified minimum distance. Overhead support systems for movable partition systems may include such chain guide structures. Methods of forming overhead support systems and movable partition systems may include stretch forming a bent chain guide structure. Methods of installing overhead support systems and movable partition systems may include inserting fasteners at least substantially perpendicularly through attachment flanges of a chain guide structure to secure the chain guide structure to an overhead structure.

Abstract: Movable partitions comprise a plurality of interconnected panels, at least one sheet of insulation adjacent the plurality of interconnected panels, and at least one hinge member connecting adjacent panels of the plurality of interconnected panels. The at least one hinge member comprises at least one pointed member that extends therefrom. The pointed member is at least partially inserted into the at least one sheet of insulation, and the at least one sheet of insulation is supported by a surface of the at least one pointed member that has a width that is greater than a thickness of the at least one pointed member.

Abstract: Methods and apparatuses are disclosed for laterally restraining a movable partition. In one embodiment, a movable partition includes two laterally spaced structures wherein each structure includes a plurality of hingedly coupled panels. A lateral restraint mechanism is located and configured to prevent lateral displacement of one or both of the two structures. In one embodiment, a cable is disposed between and extends from along a lower edge of the two structures. The cable is maintained in tension, at least while the partition is in a deployed condition, to prevent or minimize the lateral displacement of one or both of the structures such as when a draft or other external force acts on the two laterally spaced structures. In one embodiment, the cable may be operatively associated with one or more drive components used to displace the movable partition. In another embodiment, the cable may be coupled to a take-up mechanism.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.