Abstract: A luminaire can comprise a top housing fastened to a bottom housing, the top housing comprising at least one rib, the luminaire further comprising a lightguide disposed between the top housing and the bottom housing, the rib securing the lightguide against a gasket, wherein the gasket is located between the lightguide and the bottom housing, and the luminaire further comprising a light source disposed between the top housing and the bottom housing and further disposed adjacent an edge of the lightguide. The bottom housing can define an opening through which light emitted by the lightguide exits the luminaire.

Abstract: A cake cover assembly for preserving freshness of a cake, permitting decoration of the cover instead of directly on the cake, preventing contamination of the cake by foreign materials, and holding candles to prevent wax from getting on the cake includes a pan for holding the cake, a side shield having an upper opening, and a cover member slidably engageable to the side shield. The cover member has tracks for receiving tiles to spell out a desired message. The cover member also includes candle holders for receiving and holding candles in an upright position.

Abstract: An insulator for mounting an electric wire to a round vertical post. The insulator main body includes an outwardly opening slot through which the round post may be moved as the insulator is removed from the post. A nut is threadedly mounted at the slotted end of the main body limiting movement of the round post within the slot. A spacer within the slot limits inward movement of the slot walls. Various embodiments of the spacer are disclosed.

Abstract: A structural improvement of a water ball, which comprises mainly a glass ball of a water ball, and the top center of the glass ball has a candle stand for receiving a short candle; the candle stand is made of a material same as that of the glass ball; after a candle is mounted in the candle stand and lit up, the flame thereof and the water ball will provide a decorative atmosphere.