Abstract: A device comprising an arm, with a hollow portion, a hub having a stator portion, and an elongated portion disposed into the arm; a rotor with an elongated portion for housing part of a spring. Wherein the spring has a first end disposed in the arm and a second end disposed in the elongated portion of the rotor, and a moveable arm, with a substantially hollow portion operable to receive the elongated portion of the rotor. Certain embodiments may include more than one moveable arm.

Abstract: A device including a hub portion, said hub portion including an opening with spring-loaded electrical contacts slidably disposed in said opening, a light rail an extended portion and a power contact disposed on the extended portion, wherein the light rail is operable to slide into the opening and couple the power contact to the spring-loaded contact. The extended portion may include an o-ring for fixing the light rail and the hub may have a cable for mounting and coupling power to the spring-loaded electrical contact. Some embodiments may have a second opening in said hub portion, and a second end for the light rail. Power may be coupled through the light rail to hubs on each end.

Abstract: A device comprising an arm, said arm having a hollow portion, a hub, said hub having a stator portion, said hub having an elongated portion disposed into the arm; a rotor, said rotor including an elongated portion for housing part of a spring, said spring having a first end disposed in the arm and a second end disposed in the elongated portion of the rotor, and a moveable arm, said movable arm including a substantially hollow portion operable to receive the elongated portion of the rotor. Certain embodiments may include more than one moveable arm.

Abstract: A luminaire including a rectangular housing for housing a light source. The housing has an elongated opening for projecting the light and shutters positioned across the opening to control the light emerging from the light source through the opening. The shutters are pivotably mounted about the opening and a worm-drive is provided for setting the positions of the shutters which in-turn affects the output beam angle of the luminaire.

Abstract: A sneeze guard, which may include a first and second layer, said layers disposed together and including an integrally formed light rail. The light rail formed to replace, in part, of one layer of the sneeze guard. The light rail may include lamps or LEDs and is disposed for splaying light into a portion of the sneeze guard. In some embodiments a portion of a sneeze guard layer operates to protect the light rail components.