Static structures (e.g. – buildings) – Sheetlike element assembled parallel to existing wall,... – Element spaced from wall – ceiling – or floor and held by...
Patent
1997-03-03
1998-07-28
Kent, Christopher
Static structures (e.g., buildings)
Sheetlike element assembled parallel to existing wall,...
Element spaced from wall, ceiling, or floor and held by...
5250606, 5250608, 522206, E04B 552
Patent
active
057848475
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention generally relates to a system for suspending so called false ceilings, for which a system of rails are mounted in an existing ceiling, a number of suspension pendulum means having mounting means for false ceiling bars are mounted suitably spaced along said ceiling rails, a system of false ceiling bars are mounted at the bottom edges of the pendulum means, and plates forming a false ceiling are laid, or are otherwise mounted, on said false ceiling bars.
In many arrangements of the above mentioned type for suspending false ceilings the pendulum means comprises two parts which are telescopically slidable in each other for making it possible to adjust the false ceiling plates to a specific height. Such suspension pendulum means are shown for instance in the patents FR-A-2.283.272, in DE-A-3.409.992 and U.S. Pat. No. 3,459,796. The two telescopic parts are formed with cooperating through bores, and the adjustment in the vertical direction of the pendulum means is made in that the lower telescopic part is displaced to a suitable height in relation to the upper telescopic part, whereupon the two parts are secured to each other by means of a screw or a bolt extending through one or more of the cooperating bores.
Such structures are disadvantageous in several respects: the mutual spacings between the through bores of the telescopic parts. In some cases there is a need for a substantially more accurate vertical adjustment than can be obtained by means of said known apparatus, for instance in case the existing ceiling is so unlevelled that it may be necessary to adjust the lower telescopic part one or more millimeters upwards or downwards with respect to a certain normal position in order to get a false ceiling which is even and levelling; telescopic parts, since this has to be made in that the lower telescopic part is first adjusted exactly to the intended height, whereupon a screw is introduced through the cooperating bores of the telescopic parts, and a nut is tightened on the screw extending through said bores; part be screw connected directly to the existing ceiling or to a ceiling rail, which is a troublesome job for which there is often needed three hands, namely one hand holding the pendulum, a second hand introducing a mounting screw and a third hand mounting a nut, and eventually also a washer, onto the free end of the screw; in the upper telescopic part from underneath after said upper telescopic part has been screw connected to the ceiling or the ceiling rail, and this may cause problems in narrow spaces; they were originally connected, and for a changing the mounting place such pendulum it is thereby necessary that the upper telescopic part be unscrewed from the ceiling or the ceiling rail, even if there is only question of a displacement of some few millimeters.
SUMMARY OF THE INVENTION
The basis of the invention therefore has been to solve the problem of providing a suspension system for a false ceiling, comprising a ceiling rail and a telescopically acting suspension pendulum, parts having a horizontal cross section substantially of C-shape, and formed with interconnecting snap locking means so that said parts can be joined from any mutual vertical positions by only being pressed together, whereby said parts expand/contract resiliently into each other until the parts have been snap engaged and are thereby temporarily secured to each other; elongated, through slots, and the lower telescopic part is formed with a vertical series of obliquely extending (inclined) elongated, through slots--or vice versa--and in which the spacings between the two series of slots differ from each other, so that there is always, and in any accurately adjusted height position between the telescopic parts, a cooperating bore composed of a horizontal slot and an inclined slot, which bore can be used for securing the telescopic parts in relation to each other; suspension pendulum, and preferably also the lowermost part of the lower telescopic part, is formed so that the suspe
REFERENCES:
patent: 3495796 (1970-02-01), Fruh
patent: 3832816 (1974-09-01), Jahn
patent: 3842561 (1974-10-01), Wong
patent: 4160344 (1979-07-01), Brugman
patent: 4416095 (1983-11-01), Truluck
AW Nordic System AB
Horton-Richardson Yvonne
Kent Christopher
LandOfFree
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