Abstract: A portable light-emitting stage component including a deck supported by a support portion comprising at least one light-producing element, a first side, a second side substantially parallel the first side, a first end connected to the first side and the second side, and a second end substantially parallel the first end, the second end connected to the first side and the second side. The at least one light-producing element directs light through the deck. The first side includes a first rotatable latch member comprising a first hook. The first side and the axis of rotation of the first rotatable latch member are substantially coplanar or parallel. The second side includes a first receiving member comprising a first post. The support portion includes a protrusion protruding from a side or end selected from the group consisting of the first side, the second side, the first end, and the second end.

Abstract: A portable support structure including a platform member having a primary platform connector and a secondary platform connector. The primary platform connector is configured to receive a primary support connector. The secondary platform connector is configured to receive a secondary support connector. The support structure also includes a primary support member including the primary support connector and a hook member. In addition, the support structure includes a secondary support member having a first end and a second end. The first end is detachably engaged with the secondary platform connector and the second end is in locking engagement with the hook member. The primary support connector includes structures that engage the primary platform connector and rotationally position the primary support member. The hook member includes a hook portion that engages and prevents the secondary support member disengaging upon a rotation of the secondary support member.

Abstract: A portable light-emitting stage component including a deck supported by a support portion comprising at least one light-producing element, a first side, a second side substantially parallel the first side, a first end connected to the first side and the second side, and a second end substantially parallel the first end, the second end connected to the first side and the second side. The at least one light-producing element directs light through the deck. The first side includes a first rotatable latch member comprising a first hook. The first side and the axis of rotation of the first rotatable latch member are substantially coplanar or parallel. The second side includes a first receiving member comprising a first post. The support portion includes a protrusion protruding from a side or end selected from the group consisting of the first side, the second side, the first end, and the second end.

Abstract: A video support structure for supporting video, a video display system, and a method of securing the support structure are disclosed. The video support structure includes a first support member, a second support member, a portion of the second support member being receivable by a surface or space formed by the first support member, a pinnable joint having an opening in each of the first support member and the second support member, the openings being alignable to receive one or more pins, and the one or more pins, the one or more pins being configured to secure the first support member to the second support member to form at least a portion of the video support structure.

Abstract: A portable light-emitting stage component including a deck supported by a support portion comprising at least one light-producing element, a first side, a second side substantially parallel the first side, a first end connected to the first side and the second side, and a second end substantially parallel the first end, the second end connected to the first side and the second side. The at least one light-producing element directs light through the deck. The first side includes a first rotatable latch member comprising a first hook. The first side and the axis of rotation of the first rotatable latch member are substantially coplanar or parallel. The second side includes a first receiving member comprising a first post. The support portion includes a protrusion protruding from a side or end selected from the group consisting of the first side, the second side, the first end, and the second end.

Abstract: A portable barrier retraction device and system for retracting and deploying barriers, such as theatrical curtains. The device includes a first drum, a rotatable shaft in selective rotational communication with the first drum, and a clutch configured to disengage the first drum from the rotatable shaft. The device further includes a detachable rotatable second drum in rotational communication with the first drum. The rotatable shaft selectively imparts rotation to the second drum by selectively imparting rotation to the first drum. The second drum includes at least one spool configured to retract or deploy at least one line in response to rotation of the second drum.

Abstract: A portable light emitting stage component and portable stage system. The stage components having a deck supported by a support portion. The support portion includes at least one light producing element arranged and disposed to direct light through the deck. The support portion further includes at least one connector having at least one of a latch member and a receiving member. The latch member has features that clampingly secure stage components together when engaged with features of a receiving member to form a substantially planar surface made up of a plurality of decks.

Abstract: A portable barrier retraction device and system for retracting and deploying barriers, such as theatrical curtains. The portable barrier retraction device for retracting and deploying barriers, such as theatrical curtains. The device includes a rotatable shaft in rotational communication with a first drum. The device further includes a detachable rotatable second drum rotational communication with the first drum. The second drum further including at least one spool configured to retract or deploy at least one line in response to rotation of the second drum.

Abstract: Provided is a magnetically coupled device, a method of assembling the magnetically coupled system, and a method whereby positioning a first arrangement and a second arrangement prevents a magnetic field generated from within a first plurality of magnets and a second plurality of magnets from affecting a magnetically sensitive component.

Abstract: A portable support system having a portable support having a first end and a second end. The first end includes a tapered portion, and the second end includes a footing structure. The system also includes a receiving member having a support cone configured to receive the tapered portion. The support cone has a tapered inner surface and a tapered outer surface. The inner surface and outer surface are engagable with mating tapered surfaces. The receiving member is capable of attachment to one or both of a frame and a panel for use as a platform.

Abstract: A method of displaying a video display system, assembling a video display system, and a video display system are disclosed. The video display system can include a flexible support, a display device detachably engaged to the flexible support, and a coupling device engaged to the flexible support and the display device at a first location on the display device.

Abstract: A magnetic coupling member, method, and system including a housing and a first arrangement of a plurality of magnets housed within the housing is disclosed. The first arrangement of magnets is selectively arranged and disposed to provide alignment and detachable engagement with a second arrangement of a plurality of magnets.

Abstract: A portable support structure including a platform member having a primary platform connector and a secondary platform connector. The primary platform connector is configured to receive a primary support connector. The secondary platform connector is configured to receive a secondary support connector. The support structure also includes a primary support member including the primary support connector and a hook member. In addition, the support structure includes a secondary support member having a first end and a second end. The first end is detachably engaged with the secondary platform connector and the second end is in locking engagement with the hook member. The primary support connector includes structures that engage the primary platform connector and rotationally position the primary support member. The hook member includes a hook portion that engages and prevents the secondary support member disengaging upon a rotation of the secondary support member.

Abstract: A lift device having a lift structure and a control structure. The lift structure includes a plurality of hydraulic cylinders concentrically arranged. Each cylinder includes a first chamber and a second chamber. At least one of the cylinders includes the second chamber being in fluid communication the first chamber of an adjacent cylinder. The cylinders are operably disposed to extend or retract in response to fluid pressure applied to a first chamber of at least one of the cylinders. The control structure is arranged and disposed to apply a control force to at least one of the cylinders to controllably extend or retract the plurality of cylinders. A portable lift system and method for lifting a platform is also disclosed.

Abstract: A portable barrier retraction device having a drive motor with an addressable drive motor control. The drive motor control is capable of being connected in a serial arrangement with one or more other addressable drive motor controls. The drive motor is in rotational communication with at least one retraction assembly configured to retract or deploy a line in response to rotation of the drive motor. The line is configured to retract or deploy a barrier. The drive motor provides selective rotation in response to an addressed signal from a controller. In addition, retraction systems employing portable retraction devices and methods for assembling the retraction systems are also disclosed.

Abstract: A portable barrier retraction device and system for retracting and deploying barriers, such as theatrical curtains. The portable barrier retraction device for retracting and deploying barriers, such as theatrical curtains. The device includes a rotatable shaft in rotational communication with a first drum. The device further includes a detachable rotatable second drum rotational communication with the first drum. The second drum further including at least one spool configured to retract or deploy at least one line in response to rotation of the second drum.

Abstract: A portable light emitting stage component and portable stage system. The stage components having a deck supported by a support portion. The support portion includes at least one light producing element arranged and disposed to direct light through the deck. The support portion further includes at least one connector having at least one of a latch member and a receiving member. The latch member has features that clampingly secure stage components together when engaged with features of a receiving member to form a substantially planar surface made up of a plurality of decks.