Abstract: There is provided a shelving system for a confined space. The system has a first shelf support frame with stationary upright columns, horizontal and transverse first frame bars between the columns, rear first shelf bars that can extend between the columns with attachments at opposite ends engageable with the first stationary columns. The system also has at least two second moveable shelf support frames made up of respective moveable front and rear columns, horizontal and transverse frame bars extending between the moveable front and rear columns, front shelf bars that extend between the moveable front columns and rear columns, and attachments at opposite ends of the front shelf bars, which are interengageable with the second moveable columns.

Abstract: A security display system typically used to display, and permit the handling of, costly items such as cameras, video cameras and recorders, while preventing the theft of those items. The system permits persons to handle the item and prevents theft of the item through a cable which acts to tether the item, provide power to the item and trigger an alarm if it is cut or disconnected. The cable is largely hidden until the item is picked up, as the cable runs through the item support and under the counter.

Abstract: A ceiling structure which comprises a plurality of mutually parallel, mutually spaced apart, hollow, metallic and longitudinal members formed of a plurality of longitudinal segments in end to end relation, a plurality of metallic transverse members having inwardly facing surfaces, and terminally secured to the longitudinal members and extending therebetween to form a grid-like structure including open spaces and having electrical continuity throughout its longitudinal members, and being adapted to receive insulated electrical cables disposed within at least some of the longitudinal members, junction plates fastened on opposite sides of the longitudinal segments at their ends, joining same together in end to end relation, attachment flanges on the junction plates, a pair of connector ribs, fastened on opposite inwardly facing, surfaces of the transverse members at their ends, and dimensioned to fit around respective attachment flanges and interlockable therewith in self-supporting relation, locking clip means