ROOF CONSTRUCTION

Abstract

A roof structure has a level support frame extending in a support frame plane, is supported by a support structure and has at least two longitudinal beams arranged parallel and at a mutual distance from each other and at least two cross beams arranged parallel to each other and at a mutual distance from each other and surrounds a frame field. Several rafters connect the cross beams with each other and are arranged at a mutual distance from the longitudinal beams in such a way that the frame field is divided into several roof fields. The roof fields are each covered by a level cover plate, wherein each cover plate extends in its own cover plane and the cover planes are arranged at an angle to the support frame plane. The cover plates are each rectangular and have a long longitudinal axis and a short longitudinal axis perpendicular to it.

Claims

1. A roof structure comprising: a level support frame that extends in a support frame plane and is supported by a support structure and comprises at least two longitudinal beams arranged substantially parallel to each other and at mutual distances and two cross beams arranged substantially parallel to each other and at mutual distances, and which surrounds a frame field; at least one rafter connecting the cross beams to each other and running at a mutual distance to the longitudinal beams and dividing the frame field into several roof fields, wherein at least a portion of the roof fields are covered by a level cover plate, wherein the cover plates each extend in a cover plane with the cover planes being arranged at an angle to the support frame plane, and wherein the cover plates are rectangular and have a long longitudinal axis and a short longitudinal axis running substantially perpendicular, wherein the cover plates are arranged at an angle around the long longitudinal axis relative to a horizontal, and wherein the cover planes of adjacent cover plates have a mutual distance substantially perpendicular to the cover planes, wherein the support frame surrounds a frame area defined within the support frame, and wherein the rafter and/or the cover plates are arranged completely within the frame area.

2. The roof structure according to claim 1, wherein the cover plates each have a first long side edge, a second long side edge, and two short side edges, and wherein the cover plates with their first long side edge and their second long side edge are each supported in a line bearing.

3. The roof structure according to claim 2, wherein the line bearings are formed on the longitudinal beams and/or on the rafters.

4. The roof structure according to claim 2, wherein the first long side edge is formed at a lower elevation than the second long side edge.

5. The roof structure according to claim 1, wherein adjacent cover plates with their long side edges facing each other are mounted on a common rafter.

6. The roof structure according to claim 5, wherein the rafter comprises a first line bearing with a first support surface for the support of the first long side edge of one of the cover plates and a second line bearing with a second support surface for the support of the second long side edge of another cover plate, and wherein the first support surface is arranged at a lower elevation than the second support surface.

7. The roof structure according to claim 1, wherein the first long side edges of several or all cover plates lie on a common first plane.

8. The roof structure according to claim 7, wherein the first plane extends substantially horizontally.

9. The roof structure according to claim 1, wherein the second long side edges of several or all cover plates lie on a common second plane.

10. The roof structure according to claim 9, wherein the second plane extends substantially horizontally.

11. The roof structure according to claim 1, wherein the cover planes of at least some of the cover plates extend substantially parallel to each other.

12. The roof structure according to claim 1, wherein there is a water channel formed in the rafter.

13. The roof structure according to claim 12, wherein the water channel runs in the longitudinal direction of the rafter and ends in a water outlet in its axial end area.

14. The roof structure according to claim 1, wherein the water channel is designed as a gravity channel.

15. The roof structure according to claim 6, wherein the first support surface in the upper part of the water channel is arranged such that a fluid which is located on the top of the cover plate being supported on the first support surface is introduced into the water channel from above.

16. The roof structure according to claim 12, wherein a filtration device is arranged in the flow path of the water from the top of the cover plate to the water channel, through which the water flows.

17. The roof structure according to claim 16, wherein the filtration device comprises a bristle strip.

18. The roof structure according to claim 16, wherein the filtration device serves as a hold-down device which clamps the cover plate against the first support surface.

19. The roof structure according to claim 6, wherein a gradation or a chamber-like recess is formed in the rafter and wherein the second support surface is formed on the gradation or within the recess.

20. The roof structure according to claim 1, wherein the support frame plane is substantially horizontal.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The present invention will become more fully understood from the detailed description given hereinbelow and the accompanying drawings which are given by way of illustration only, and thus, are not limitive of the present invention, and wherein:

[0030] FIG. 1 shows a schematic perspective view of an inventive roof structure;

[0031] FIG. 2 shows section II-II in FIG. 1,

[0032] FIG. 3 shows a perspective view of a cover plate,

[0033] FIG. 4 shows a representation of the course of the support frame plane and the cover planes, and

[0034] FIG. 5 shows section v-v in FIG. 2.

DETAILED DESCRIPTION

[0035] A roof structure 10 shown in FIG. 1 has a level, horizontally oriented support frame 11, which has a rectangular configuration and two longitudinal beams 12 arranged parallel to each other and at mutual distances and two cross beams 13 arranged parallel to each other and at mutual distances. The support frame 11 extends in a horizontal support frame plane T, which is only schematically depicted.

[0036] The support frame 11 is supported by means of a support structure 14, which in the embodiment shown includes two vertical supports 25 arranged in two corners of the support frame 12 and a building wall 24 that is only schematically indicated.

[0037] The longitudinal beams 12 and the cross beams 13 surround a frame field 11a located within the support frame 11, which is divided into several roof fields 20 by means of several rafters 15. In the embodiment shown, there are four rafters 15, which divide the frame field 11a into five rectangular roof fields 20 of preferably about the same size.

[0038] The roof fields 20 are each completely covered by means of a level cover plate 16, which can be made of glass. Each cover plate 16 extends in its own cover plane A.sub.1, A.sub.2, A.sub.3 (see FIGS. 2 and 4), with the cover planes A.sub.1, A.sub.2, A.sub.3 extending inclined at an angle to the support frame plane T and parallel to each other. Adjacent cover planes A.sub.1, A.sub.2 or A.sub.2, A.sub.3 of adjacent cover plates 16 extend at a mutual distance perpendicular to the cover planes.

[0039] FIG. 3 shows a single rectangular cover plate 16. The cover plate 16 has a long longitudinal axis L.sub.L and a perpendicular short longitudinal axis L.sub.K, wherein the cover plate 16 is arranged at an angle around the long longitudinal axis L.sub.L relative to a horizontal. In the embodiment shown, the short longitudinal axis L.sub.K of the cover plates 16 is parallel to the building wall 24, wherein the cover plates 16 are inclined around the long longitudinal axis L.sub.L, which runs perpendicular to the building wall 24.

[0040] The cover plate 16 has a first long side edge L.sub.1 and on the opposite side a second long side edge L.sub.2, as well as two short side edges L.sub.3 and L.sub.4 perpendicular thereto. The first long side edge L.sub.1, the second long side edge L.sub.2, and the two short side edges L.sub.3 and L.sub.4 form the circumferential area of the cover plate 16. As indicated in FIG. 3, the cover plate with its first long side edge L.sub.1 and with its second long side edge L.sub.2 is in each case supported in a line bearing 21, the constructive design of which will be explained later.

[0041] It can be seen from FIG. 4 that the first long side edges L.sub.1 of several or all cover plates 16 lie in a common first plane E.sub.1, the first plane E.sub.1 extending horizontally.

[0042] The second long side edges L.sub.2 of several or all cover plates 16 are also located in a second common plane E.sub.2, which also extends horizontally.

[0043] The support frame 11 encloses the frame field 11a in the mentioned manner and thus the inner surface of the support frame 11. Inside the support frame 11, a frame area 11b is defined, which includes the frame field 11a and the overall height of the support frame 11. The rafters 15 and the cover plates 16 are arranged entirely within the frame area 11b and do not protrude over the top nor the bottom of the support frame 11.

[0044] Adjacent cover plates 16 are each mounted with one end to the one of the rafters 15, as can be seen in particular from FIG. 5. The rafter 15 has a first line bearing 21a with a first support surface 17 on which the first long side edge L.sub.1 of one of the cover plates 16 is supported. Furthermore, the rafter has a second line bearing 21b with a second support surface 23, on which the second long side edge L.sub.2 of another cover plate 16 is supported.

[0045] In the rafter 15 a water channel 18 is formed, which is designed as a U-shaped channel which is open at the top and runs in the longitudinal direction of the rafter 15 and at the axial end of which ends in a water outlet 22, which is shown in FIG. 2 as indicated by an arrow. The first support surface 17 is arranged in the upper part of the water channel 18 in such a way that the rainwater that accumulates on top of the cover plate 16, which is supported on the first line bearing 21a or on the first support surface 17, flows or drips into the water channel 18 from above as a result of the inclination of the cover plate 16. The water is then diverted in the water channel 18 and discharged through the water outlet 22.

[0046] In the flow path from the top of cover plate 16 to the water channel 18, a filtration device 26 is provided through which the water flows before the water enters the water channel 18. This prevents foreign bodies from entering into the water channel 18 and clogging it.

[0047] The filtration device 26 is provided for a bristle strip 27 formed by an elongated arrangement of bristles and/or bristle bundles and is attached to the rafter 15 above the cover plate 16 in such a way that the bristles and/or bristle bundles sit with their ends from above on the top of the cover plate 16. The filtration device 26 or the bristle strip 27 can also serve as a hold-down device that clamps the cover plate 16 against the first support surface 17.

[0048] Obliquely above the first support surface 17, a chamber-like recess 19 is formed in the rafter 15, on the bottom of which the second support surface 23 is formed. The other cover plate 16 is inserted with its end area in the recess 19 and mounted on the second support surface (23).

[0049] The invention being thus described, it will be obvious that the same may be varied in many ways. Such variations are not to be regarded as a departure from the spirit and scope of the invention, and all such modifications as would be obvious to one skilled in the art are to be included within the scope of the following claims.