Static structures (e.g. – buildings) – Sheetlike element assembled parallel to existing wall,... – Element spaced from wall – ceiling – or floor and held by...
Patent
1995-06-07
1997-02-04
Mai, Lanna
Static structures (e.g., buildings)
Sheetlike element assembled parallel to existing wall,...
Element spaced from wall, ceiling, or floor and held by...
24823181, 248317, 248320, 52509, E04B 200
Patent
active
055986781
ABSTRACT:
Devices for ceilings in which tiles are supported by a concealed suspension grid include channels and channel hangers that establish the ceiling level and support the suspension grid and, together with wall supports form the suspension grid. Each channel, in cross-section, is substantially "U" shaped and has a retaining tab portion positioned at one end of one of its legs that is oriented at right angles to that leg in the direction of the other leg. The tabbed leg may be shorter than the untabbed leg which may be substantially the same height as the depth of the edge grooves in the ceiling tiles. Each hanger is adapted for affixation to a support structure at one end, and has a channel-receiving aperture at its other end whose height when said hanger is vertically oriented is greater than the height of the retaining tab portion of the channels, and has a vertical slot in its floor that is deeper than the height of the retaining tab. With the channel oriented so that it opens laterally toward said hanger, the untabbed leg of the channel may be positioned in the edge slot of ceiling tiles positioned adjacent to the bottom end of the hanger while the other (tabbed) end of the channel is slid into the aperture in the hanger, until the tab drops into the slot in the floor of the aperture, locking the channel and the ceiling tiles into position.
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patent: 5311719 (1994-05-01), Jahn
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