Static structures (e.g. – buildings) – Sheetlike element assembled parallel to existing wall,... – Element spaced from wall – ceiling – or floor and held by...
Patent
1997-10-24
1999-04-13
Friedman, Carl D.
Static structures (e.g., buildings)
Sheetlike element assembled parallel to existing wall,...
Element spaced from wall, ceiling, or floor and held by...
403245, E04B 900
Patent
active
058932496
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to an arrangement for connecting at least one transverse section and a main section in a system of sections, especially for supporting suspended ceilings, said arrangement comprising a projecting locking tongue arranged on the end of the transverse section and having a laterally projecting hook member and, formed in the main section, a connecting hole for receiving said locking tongue, the locking tongue being arranged to be laterally resilient during the connecting operation when being inserted into the connecting hole and during the disconnecting operation when being withdrawn from the connecting hole, thereby allowing the hook member to pass through the connecting hole into locking engagement on the opposite side of the main section, and to pass from such locking engagement and back through the connecting hole, respectively
BACKGROUND OF THE INVENTION
In prior-art arrangements of the type mentioned by way of introduction, the locking tongue has a double function by serving as guide means as well as locking means, the hook member arranged thereon being adapted to cooperate with the main section or with a second locking tongue arranged from the opposite direction and belonging to a second transverse section. The rigidity of the locking tongue is considerable, in many cases by the locking tongue being formed with embossed portions, longitudinal beads or the like. As will be appreciated, this affects the resilience of the locking tongue in a negative way, which makes it difficult to mount and dismount a transverse section. Moreover a remaining deformation of the locking tongue often arises when bending it laterally outwards, as is required in mounting and dismounting. Such deformation is, of course, disadvantageous and may cause, among other things, an inaccurate positioning of the associated transverse section.
A further problem is that prior-art designs of the locking tongues in many cases involve such a length of the locking tongues that after mounting in a main section, they protrude significantly on the side of the-main section facing away from the mounted transverse section. This is particularly unfavourable when a single transverse section is to be connected, i.e. when there is no second transverse section aligned with the first transverse section on the opposite side of the main section.
In the latter case of connecting a single transverse section, the positioning will, as a rule, be more inaccurate owing to the locking tongue being movable in the connecting hole which is generally formed to receive two locking tongues
OBJECT OF THE INVENTION
The object of the invention is to eliminate the above described problems to a considerable degree and to provide the:force required for connecting and disconnecting a transverse section being small; tongue is substantially obviated; whether it is used to connect a single transverse section or to connect two transverse sections arranged opposite one another; and connecting hole can be made very short.
SUMMARY OF THE INVENTION
According to the invention, the above object is achieved by an arrangement having the features stated in the appended claims.
The invention thus is based on the knowledge that substantial advantages can be achieved by the locking and guiding functions of the transverse section being separated. To this end, separate free-standing guide means are arranged on the end of the transverse section for cooperating with the main section so as to give the transverse section and the main section a well defined, fixed relative position when connected. This implies that the guide means can be designed exclusively to have a good guiding function, i.e. they can be designed without resilience requirements etc. needing be complied with, at the same time as the locking tongue can be designed with the aim of giving good resilience with no risk of remaining deformations when being bent laterally outwards.
The use of separate guide means which are specially designed for their function means that each
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Andersson Stig Mikael
Frost Gert Kenneth
Loodberg Arne Gustav
Peterson Jan Ingvar
Wilkens Jan Ingemar
Dorsey Dennis L.
Ecophon AB
Friedman Carl D.
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