Static structures (e.g. – buildings) – Barrier or major section mounted for in situ repositioning;... – Telescoping sub and main enclosures
Patent
1985-09-27
1987-06-23
Friedman, Carl D.
Static structures (e.g., buildings)
Barrier or major section mounted for in situ repositioning;...
Telescoping sub and main enclosures
E04G 1346
Patent
active
046742417
DESCRIPTION:
BRIEF SUMMARY
SUMMARY OF THE INVENTION
The present invention relates to the building structures intended to partially or wholly recover a delimited surface area on the ground, as could be the case, particularly for play or sport surface areas, such as tennis courts, swimming pools, basket fields and the like, the delimitation of the recovered surface being provided by the mobility of the structure members.
In this field, devices consisting of a cover integral to metallic supporting members which are pivotally connected with each other, each of said members laying on the ground by means of chariots which are movable on rails which are generally disposed in parallel relationship to the major side of the field to be covered. The supporting members consist of arches located in side vertical plans, one of said support members being stationary with respect to the ground, the other being stored by stacking on the latter in the folded position thereof. In this kind of devices, the vertical boardings as well as the cover members only consist of a web or tilt which may be folded or unfolded during the translation of the constitutive parts of the building just realized. Other technical embodiments slidably support the flexible member by forming the cover by means of stationary arches; the sliding of the web may be affected by part members either longitudinally along the purlins, or by moving said purlins while sliding the ends thereof in the elongated members constituting the arches. These different embodiments have the disadvantages either to provide an important side projection with respect to the limits of the surface to be covered due to the fact that there are on the ground as rails as movable members, or the requirement of an exagerated extension of said surface area of the amount required for the translation of the movable members, extension which would be more required as the number of said members is reduced, or a lack of stability of the arches constituting the metallic frame either in unfolded position or in folded position.
The aim of the invention is to obviate these various disadvantages. One of the aims of the invention is to enable the folding or unfolding operations of the structure by translation of a determined member of constitutive members on a sole side rail parallel to each of the major sides of the surface area to be covered; an another aim of the invention is to ensure the stability of the movable elements in extreme folded or unfolded positions as well as in any intermediate positions; finally another aim of the invention is to provide the recovery of the rain waters by means of the members of the metallic frame of the structure.
The structure, object of the invention, consists, according to the known embodiment, of a certain number of elements able to be assembled in a nesting fashion, two of them corresponding to each of the ends of the surface to be recovered being stationary, the other ones being movable in translation on a sole rail. Each element comprises two slide flanks constituting the self-supporting part of the structure on which bear a sequence of lattice beams mounted as to form arches having a polygonal contour. Each vertical flank of each member consists of a rectangular frame made by mechano-welding while starting from hollow elongated members having a square cross section, which frame is open at one of the vertical ends as to enable the frame of the neighour members to be inserted along its height, allowing a folding in line of all the members in the nesting fashion. The sole frame of the stationary ends members is closed. The sliding of the members is provided, on the one hand, by means of running rollers which are mounted on brackets fixed under the lower horizontal members of each frame at right angle to each vertical upright of the later running on a rail located within the lower horizontal member of the contiguous frame and, on the other hand, by means of running rollers located on the other end of said lower horizontal members of each frame and running on the rail common to all the
REFERENCES:
patent: 2789668 (1957-04-01), Martin
patent: 3248830 (1966-05-01), Maynard
patent: 4175361 (1979-11-01), Kumode
patent: 4271644 (1981-06-01), Rilliet
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