Abstract: A U-turn lens for a recessed light fixture comprising a tubular, transparent, internally reflective, hollow cylindrical lens having a closed top including a hot mirror receiving focused light from a reflector lamp, an inside diameter extending to an open lower end where focused light is emitted and collimated light is received through the lens outside the inside diameter to an angular reflector reflecting the collimated light transversely to illuminate a concave decorative shade.

Abstract: A tracklight includes an elongated tube having a proximal end and a distal end and including a reflector, a lens and a diffuser extending along the length of the tube. The tube has angular reflector portions proximally joined at an apex on an optical axis of symmetry. said angular portions having distal edges connecting the reflector, lens and diffuser. One or more light sources are positionable along the length of the tube between the reflector and the lens, emitting light through the lens and diffuser, generally perpendicular to the length of the tube. Preferred embodiments include square, rectangular and circular cross-sectional shapes, any of which which may have means for attachment to mounting surfaces including inverted T-bar ceiling runners.

Abstract: A lens according to the present invention comprises a macro lens having radial light refraction varying from zero on the optical axis to a maximum refraction angle at the lens rim. A pattern of light-diffusing micro lenses, on at least one macro lens surface, vary in radial light-diffusion angle in proportion to the angle of refraction of the macro lens. In a second preferred embodiment the macro lens has light-diffusing micro lenses in the form of concentric, linear-lens rings about the optical axis, whereby the diffusion angle of each micro lens is radial only and is equal to the included angle of the radial chromatic aberration angle of the macro lens at the same point on the macro lens.

Abstract: A lighting fixture has a proximal end fixture adapter connectable at a proximal end to a mounting device attachable to a ceiling. The mounting device may be an elongated track, a fixed canopy or a ceiling ring permitting a proximal portion of the fixture to be above the ceiling. The lighting fixture has a generally cylindrical housing with first and second resilient rings partially engaged into first and second external grooves around the distal end of the housing. A decorative shade has a fitter slidable on the housing and retained between the first and second resilient rings.

Abstract: A lighting fixture has a proximal end fixture adapter connectable at a proximal end to a mounting device attachable to a ceiling. The mounting device may be an elongated track, a fixed canopy or a ceiling ring permitting a proximal portion of the fixture to be above the ceiling. The lighting fixture has a generally cylindrical housing with first and second resilient rings partially engaged into first and second external grooves around the distal end of the housing. A decorative shade has a fitter slidable on the housing and retained between the first and second resilient rings.

Abstract: A lighting fixture includes a fixture housing comprising a downward-facing concave reflector with elongated legs attachable to T-bar runners in a suspended ceiling grid, with one or more lampholders for supporting lamps in the reflector and connecting the lamps to a power source.

Abstract: A lighting track is in the form of elongated, U-shaped metallic track with parallel depending legs having elongated decorative strips engaged and retained in dovetail slots in the exterior leg surfaces.

Abstract: A tracklight system includes an elongated an elongated metallic track generally in the shape of a U, having a base and first and second parallel depending legs with proximal ends extending from the base of the U and having distal ends terminating in a common plane. An elongated insulator is attached to at least one of the depending legs, each insulator having at least one pair of longitudinal slots therein, a first slot of each pair being wider than the second slot. A partially-imbedded elongated electrical conductor is disposed in each slot.

Abstract: A lighting track system according to the invention provides an elongated metallic track generally in the shape of an inverted U, with an elongated insulator extending through the track and including polarized pairs of neutral and power electrical conductors in one or more slots. A flexible cord and polarized plug electrically and mechanically connects to a pair of conductors in the track and prevents connection of the polarized plug with reversed polarity of the power and neutral conductors. In a preferred embodiment a polarized plug and cord is an end-feed that connects a track circuit to an electrical main circuit, or may connect a track circuit to a track-supported light fixture. In the preferred embodiment a polarized plug on each end of the flexible cord connects adjacent lengths of track. In the preferred embodiment a serrated ground engages a dovetail slot in the metallic track to ground track lengths and fixtures.

Abstract: A tracklight system includes an elongated an elongated metallic track generally in the shape of a U, having a base and first and second parallel depending legs with proximal ends extending from the base of the U and having distal ends terminating in a common plane. An elongated insulator is attached to one of the depending legs and having longitudinal slots therein including electrical conductors. Track fixtures each include a fixture adapter attaching a luminaire to the track with an incandescent or gas-discharge luminaire disposed within the track U, substantially between the common plane of the legs and the base of the U. In a preferred embodiment the fixture adapter includes a swivel that permits the luminaire to pivot out of the track aim a light beam in azimuth and elevation.

Abstract: A tracklight system includes a generally U-shaped track comprising an elongated metal extrusion having a canted base extending between a first parallel leg extending at an acute angle from the base to a distal end and a second parallel leg extending at an obtuse angle from the base to a distal end. The first parallel leg has means for attaching it to a wall or ceiling, and an elongated insulator is attached to second parallel leg 26 and extending through the track length. The insulator has a number of longitudinal slots, each including an electrical conductor receiving power from remote mains. One or more tracklight fixtures may be mounted onto or within the parallel legs. In a preferred embodiment the distal end of the first parallel leg terminates in a J-shaped hook suitable for hanging paintings, or other wall hangings, to be illuminated by the fixtures of the track.

Abstract: A dual-surface lens for light fixtures and T-bar ceilings includes a first lens panel having a planar perimeter around a decorative or optical control area and a second lens panel having a planar perimeter resting on the planar perimeter of the first lens panel. In a preferred embodiment the first lens panel depends below the planar perimeter and the second lens panel extends above the planar perimeter at an angle of from 5° to 15°.

Abstract: A plastic foam material comprises an aggregate of discrete elements made of substantially individual cellulose fibers combined with a cellulose starch and including a plurality of bubbles produced by a gas-generating agent. The discrete elements are suspended in a matrix also including a plurality of bubbles produced by a gas-generating agent. In a preferred embodiment the matrix is also made of substantially individual cellulose fibers combined with a cellulose starch and formed into a geometric shape. In another preferred embodiment the discrete aggregate elements are substantially closed-cell foam and the matrix is substantially open-cell foam. In yet another preferred embodiment the discrete aggregate elements are substantially closed-cell, and the foam matrix is also substantially closed-cell.

Abstract: A fiber optics illuminator includes a source of illumination on an optical axis and an optical element coaxially disposed on the optical axis, forming an image of the illumination source at an image plane. A housing encloses the source of illumination, the optical element and the image plane. A thermal control bushing is disposed on the optical axis at an exit aperture in the housing and includes an elongated, generally cylindrical glass rod coaxially disposed on the optical axis, having a first end at the image plane of the optical element, receiving illumination and heat, and a second end external to the housing. The thermal control bushing includes a means for dissipating heat from the glass rod by radiation outside the housing and by convection aided by a ventilating fan. An elongated fiber optics light guide has a light receiving end coaxially disposed adjacent to the second end of the glass rod, and a remote light-emitting end.

Abstract: A toy glider in the form of a molded foam plastic animal figure has an animal body form fuselage including a longitudinal axis, generally parallel sides, a front end and a rear end. A pair of wings in the form of animal wings are attached to the fuselage in a horizontal plane parallel to the longitudinal axis of the fuselage. A nose section in the form of an animal head and attached to the front end of the fuselage and a tail section is attached to the rear end of the fuselage. One or more male appendage studs extend distance from a surface of the glider and engage elongated hollow, appendages in the form of animal limbs, each having an elastomeric and hollow recess at an angle to the length of the limb and frictionally engaged onto a respective appendage stud, whereby rotation of the limb changes the angle of the limb with respect to the fuselage.

Abstract: A toy glider in the form of an animal figure has an animal body form fuselage including a longitudinal axis, generally parallel sides, a front end and a rear end. A pair of wings in the form of animal wings are attached to the fuselage in a horizontal plane parallel to the longitudinal axis of the fuselage. A nose section in the form of an animal head and attached to the front end of the fuselage and a tail section is attached to the rear end of the fuselage. A wing in the form of a pair of animal wings has a depending pylon, matingly engageable and latched into the aperture of the fuselage, and including a means for disengaging the wing pylon from the fuselage to permit use of the toy as an animal form without the wings. A plug is provided to close off the aperture in the fuselage when the wings are removed.