Static structures (e.g. – buildings) – Cupola or skylight
Utility Patent
1999-04-28
2001-01-02
Chilcot, Richard (Department: 3635)
Static structures (e.g., buildings)
Cupola or skylight
C052S210000
Utility Patent
active
06167661
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a window, in particular for mounting in an inclined roof surface, comprising a frame structure and a sash structure, which is hingedly connected with the frame structure for pivoting about a horizontal axis relative thereto, and in which an insulating pane is mounted, the top, bottom and side members of the frame and sash structures being made from wood profiles with exterior cladding members of weather-protecting material which, in the closed position of the window, overlap the spaces between the frame and sash structures and the hinge connection between the structures.
2. Description of Related Art
Windows, in which the frame and the sash are composed by wood profiles and exterior cladding members for protection thereof, are well-known, i.a. from U.S. Pat. No. 4,972,638, and are widely used because they are maintenance-free on account of the good weather-protection and their appearance which is both from the outside and from the inside attractive from an aesthetic point of view.
In particular the desire to protect the wood profiles against weather influence has in the prior art occasioned complicated and expensive solutions.
BRIEF SUMMARY OF THE INVENTION
The object of the invention is to provide a window of the type mentioned by way of introduction, which apart from considering the demands made in respect of weather-protection is of a simple construction, which at the same time gives a high degree of utilization of the materials used.
This object is met according to the invention by a window, which is characterized in that the top, bottom and side members of the frame structure are constituted by profiles with substantially parallelogram-shaped cross section with exterior edge faces situated in a common plane, with which the adjacent opposite side faces of the profile cross section form an angle of 95 to 140°.
This embodiment provides the desired simple construction and good protection of the interior parts of the window. Furthermore, the parallelogram-shaped cross section gives a bigger stability in the corners of the frame structure compared to a rectangular cross section of the same area, which makes it possible to manufacture the members of the frame structure with comparatively smaller dimensions. Furthermore, the parallelogram-shaped design of the wood profiles of the frame structure provides an increased total light incidence in relation to a window, in which the side faces of the frame structure extend perpendicularly to the sash plane. Finally, the advantage is obtained that exchange of accessories, like roller blinds and insect nets, is simplified, as the very access to the window is facilitated by the oblique interior sides of the frame structure.
The pivot axis of the sash structure is in an embodiment positioned substantially in the middle of the window for providing a pivoting window, and the exterior cladding members above the hinge connection are connected with the frame structure and, below the hinge connection, with the sash structure. By this position of the exterior cladding members, a good protection is achieved without impeding the pivoting movement of the window.
In a further development which is simple in respect of manufacture the hinge connection comprises two hinges positioned opposite one another at the side members of the frame and sash structures, each hinge comprising two hinge parts, one of which is fastened to said exterior edge face of the side members of the frame structure, whereas the other one is fastened to an adjacent side edge face of the side members of the sash structure.
In an alternative embodiment the sash structure is top-hung relative to the frame structure and its top, bottom and side members are constituted by profiles with substantially parallelogram-shaped cross section.
The interior side faces of the sash profiles may flush with the interior side faces of the profile cross section of the top, bottom and side members of the frame structure.
In a further development of this embodiment the hinge connection between the sash and frame structures is constituted by a V-shaped hook member with a downwards facing opening on a cladding member connected with the top member of the sash structure, and a projecting wall portion engaging said hook member of an angled fitting which is fastened to the top member of the frame structure.
With a view to obtaining a simplified mounting and dismounting of the window, while at the same time securing a retaining of the sash structure to the frame in the normal opening angle range of the sash, holding means are fastened to at least one adjacent pair of the side members of the frame and sash structure, which holding means, within a predetermined opening angle range for the sash structure calculated from the closing position, hold the V-shaped hook member and said projecting wall portion in mutual engagement, but which by turning of the sash structure beyond said opening angle range allow dismounting of the sash structure relative to the frame structure.
The invention will now be explained in detail in the following with reference to some exemplifying embodiments as shown in the accompanying drawings, in which
REFERENCES:
patent: 4776141 (1988-10-01), Powell
patent: 4972638 (1990-11-01), Minter
patent: 5207036 (1993-05-01), Sampson et al.
patent: 2 700 793 A1 (1994-07-01), None
Chavez Patrick J.
Chilcot Richard
Shannon John P.
Velux Industri A/S
Venable
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