| 摘要 |
An access-providing, rigid, properly aligned, suspended ceiling structure for acoustic tiles and the like is described, having removable locked-in tile sections and hidden support structure. The structure employs selectively shaped horizontal parallel beams which have flanges to fit within tile kerfs to provide a tile-supporting structure, which is hidden from view of persons in the room below. Spacer bars extend across between the beams and rigidly anchor them in place. Enlarged ceiling sections are removable by the employment of crossbars sized to fit in tile kerfs between beams with the ends of the crossbars being provided with selectively sized cutouts to permit free longitudinal, unobstructed movement of slidable splines located on the beam flanges. The slidable splines have lengths smaller than tile dimensions supported by the beam flanges and are movable within tile kerfs for ceiling section removal. The horizontal parallel beams are shaped to provide a high load-carrying capability, with their shaping advantageously employed to enhance removability of individual tiles.
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