Metal Ware for a Window

Abstract

A window metalware comprising: a strip, a rod, locking members, a rack, and a pinion. The strip is mounted on the window strut. The rod, slidably mounted on the strip, has an outer surface and an inner surface. The locking members are firmly mounted on the rod. The rack is firmly mounted on the rod. The pinion is rotatably mounted on the strip to engage the rack. The axis X of the pinion is fixed on the strip, and the rod is between the strip and the pinion. The pitch surface of the rack is spaced, with respect to the inner surface of the rod, towards the strip, beyond the half thickness of the rod. The rod comprises an aperture inside which a canal-shaped structure is inserted and the rack is placed in the canal-shaped structure.

Claims

1. (canceled)

2. Metalware according to claim 11, wherein the strip comprises a slot in correspondence of the rack.

3. (canceled)

4. (canceled)

5. (canceled)

6. (canceled)

7. (canceled)

8. (canceled)

9. (canceled)

10. (canceled)

11. Metalware for a window, comprising: a strip suitable for being mounted in a fixed manner on a strut of the window; a rod mounted in a sliding manner with respect to the strip, wherein the rod features an outer surface facing the strip, an inner surface, opposed to the outer surface, and a thickness s spacing the outer surface from the inner surface, locking members of the window mounted on the rod; a rack having a pitch surface p1 and mounted on the rod; a pinion having a pitch surface p2 and mounted on the strip in such a manner that the pinion can rotate around an axis X, the pinion engages the rack, the axis X of the pinion is fixed with respect to the strip, and the rod is disposed between the strip and the pinion, wherein the pitch surface p1 of the rack is spaced, with respect to the inner surface of the rod, towards the strip beyond the half thickness s of the rod, and wherein the rod comprises a through aperture inside which a canal-shaped structure is inserted and wherein the rack is placed in the canal-shaped structure.

12. Metalware according to claim 2, wherein the strip comprises a slot in correspondence of the rack where the slot of the strip slidingly houses the canal-shaped structure.

13. Metalware according to claim 11 wherein the rack is made as a separate piece and applied onto the canal-shaped structure.

14. Metalware according to claim 2 wherein the rack is made as a separate piece and applied onto the canal-shaped structure.

15. Metalware according to claim 11 wherein the strip comprises a slot in correspondence of the rack, the slot of the strip slidingly houses the canal-shaped structure, and the rack is made as a separate piece and applied onto the canal-shaped structure.

16. Metalware according to claim 11, wherein the pitch surface p1 of the rack is spaced, with respect to the inner surface of the rod, beyond the outer surface of the rod.

17. Metalware according to claim 2, wherein the pitch surface p1 of the rack is spaced, with respect to the inner surface of the rod, beyond the outer surface of the rod.

18. Metalware according to claim 15, wherein the pitch surface p1 of the rack is spaced, with respect to the inner surface of the rod, beyond the outer surface of the rod.

19. Metalware according to claim 11, wherein the locking members comprise at least one locking pin and at least one latch.

20. Metalware according to claim 15, wherein the locking members comprise at least one locking pin and at least one latch.

21. Metalware according to claim 18, wherein the locking members comprise at least one locking pin and at least one latch.

22. Metalware according to claim 11, further comprising a window including a fixed frame and a frame movable between a complete opening position and a complete closure position, wherein the metalware is mounted to a strut on the movable frame.

23. Metalware according to claim 21, further comprising a window including a fixed frame and a frame movable between a complete opening position and a complete closure position, wherein the metalware is mounted to a strut on the movable frame.

24. Metalware according to claim 23 further comprising a handle suitable for imposing to the pinion a rotation around the axis X.

25. A window, comprising: metalware including; a) a strip suitable for being mounted in a fixed manner on a strut of the window, b) a rod mounted in a sliding manner with respect to the strip, wherein the rod features an outer surface facing the strip, an inner surface, opposed to the outer surface, and a thickness s spacing the outer surface from the inner surface, c) locking members of the window mounted on the rod, d) a rack having a pitch surface p1 and mounted on the rod, e) a pinion having a pitch surface p2 and mounted on the strip in such a manner that the pinion can rotate around an axis X, the pinion engages the rack, the axis X of the pinion is fixed with respect to the strip, and the rod is disposed between the strip and the pinion, e) wherein the pitch surface p1 of the rack is spaced, with respect to the inner surface of the rod, towards the strip beyond the half thickness s of the rod, and wherein the rod comprises a through aperture inside which a canal-shaped structure is inserted and wherein the rack is placed in the canal-shaped structure, and a fixed frame and a frame movable between a complete opening position and a complete closure position, wherein the metalware is mounted to a strut on the movable frame.

26. The window according to claim 25, further comprising at least one locking pin, at least one latch and at least one hole seat disposed on the fixed frame wherein when the movable frame is in the complete closure position, the strut matches at least one U-shaped seat adapted to receive the locking pin.

27. The window according to claim 25, wherein the metalware further comprises at least one locking pin, wherein, when the movable frame is in the complete closure position, the strut matches a matching structure, and wherein the matching structure comprises at least one U-shaped seat suitable for receiving the locking pin of the metalware.

28. The window according to claim 25, wherein the metalware further comprises at least one latch, wherein, when the movable frame is in the complete closure position, the strut matches the fixed frame, and wherein the fixed frame comprises at least one hole seat suitable for receiving the latch of the metalware.

29. The window according to claim 25, wherein the metalware further comprises at least one locking pin and at least one latch, wherein: when the movable frame is in the complete closure position, the strut matches a matching structure, and wherein the matching structure comprises at least one U-shaped seat suitable for receiving the locking pin of the metalware; and when the movable frame is in the complete closure position, the strut matches the fixed frame, and wherein the fixed frame comprises at least one hole seat suitable for receiving the latch of the metalware.

Description

[0018] To better understand the invention and appreciate its advantages, some of its exemplifying and non-limiting embodiments are described below with reference to the accompanying drawings, wherein:

[0019] FIG. 1 schematically shows a first type of prior art window in a closed configuration;

[0020] FIG. 2 schematically shows a second type of prior art window in a closed configuration;

[0021] FIG. 3 schematically shows the window of FIG. 1 in an open configuration;

[0022] FIG. 4 schematically shows the window of FIG. 2 in an open configuration;

[0023] FIG. 5 schematically shows an enlarged view of the detail referred to as V in FIGS. 3 and 4;

[0024] FIG. 6 schematically shows a view of the cross section made along the plane VI-VI of FIG. 5;

[0025] FIG. 7 schematically shows the view of a cross section similar to that of FIG. 6, made on a window according to the invention;

[0026] FIG. 8 shows a perspective view of a window according to the invention, in a closed configuration;

[0027] FIG. 9 shows a front view of the window of FIG. 8;

[0028] FIG. 10 shows a perspective view of a shutter of the window of FIG. 8;

[0029] FIG. 11 shows an enlarged view of the detail referred to as XI in FIG. 10;

[0030] FIG. 12 shows a view of the cross section made along the plane XII-XII of FIG. 11;

[0031] FIG. 13 shows an enlarged view of the detail referred to as XIII in FIG. 12;

[0032] FIG. 14 shows an exploded perspective view of some metalware components according to a first embodiment of the invention;

[0033] FIG. 15 shows an exploded perspective view of some components of the metalware according to a comparative arrangement;

[0034] FIG. 16 shows a view of the cross section made along the plane XVI-XVI of FIG. 9; and

[0035] FIG. 17 shows an enlarged view of the detail referred to as XVII in FIG. 16.

[0036] Since the invention is intended to be used in presence of gravitational acceleration g, it is intended that the latter uniquely defines the vertical direction.

[0037] The present invention relates to a window 20 and the respective metalware 30. In a manner known per se, the window 20 comprises a fixed frame 22 and a movable frame 24 which can rotate around a hinge axis Y. Below reference will be made, in an exemplary and non-limiting manner, to the most common configuration of the window 20, in which the hinge axis Y is vertical. However, the skilled person will have no difficulty in reporting the teachings of the invention in a window 20 having a different configuration, for example in which the movable frame 24 rotates around a horizontal axis.

[0038] The metalware 30 is, in a manner known per se, the set of accessories, usually metallic, which are applied to the window to allow its opening and closing.

[0039] The metalware 30 according to the invention comprises:

[0040] a strip 32 suitable for being mounted in a fixed manner on a strut 240 of the window 20;

[0041] a rod 34 mounted slidingly with respect to the strip 32, wherein the rod 34 has: [0042] an outer surface 340 facing the strip 32, [0043] an inner surface 342, opposed to the outer surface 340, and [0044] a thickness s spacing the outer surface 340 from the inner surface 342;

[0045] window locking members 36 of the window 20 mounted in a firm manner on the rod 34;

[0046] a rack 40 having a pitch surface p1 and mounted in a firm manner on the rod 34;

[0047] a pinion 42 having a pitch surface p2 and mounted on the strip 32 so that: [0048] the pinion 42 can rotate around an axis X, [0049] the pinion 42 engages the rack 40, [0050] the axis X of the pinion 42 is fixed with respect to the strip 32, [0051] the rod 34 is comprised between the strip 32 and the pinion 42.

[0052] In the metalware 30 according to the invention the pitch surface p1 of the rack 40 is spaced, with respect to the inner surface 342 of the rod 34, towards the strip 32 beyond the half thickness s of the rod 34; and

[0053] the rod 34 comprises a through aperture 344 inside which a canal-shaped structure 43 is inserted and the rack 40 is placed in the canal-shaped structure 43.

[0054] The fact that the pitch surface p1 of the rack 40 is spaced, with respect to the inner surface 342 of the rod 34, towards the strip 32, allows to employ a pinion 42 which, for the same overall size of the metalware 30, has a pitch diameter substantially greater than the pinion 42 of the prior art. As will be better described later, the greater dimensions of the pinion 42 imply significant technical advantages.

[0055] The rod 34, the strip 32 and therefore the entire metalware 30 share the same prevalent development direction Z, and the rod 34 is free to slide along the strip 32 in this direction Z The metalware configuration 30 defines the maximum stroke Sz which can be performed by the rack 40 (and therefore by the rod 34 and by the window locking members 36) along the Z direction. In particular, with the same overall dimensions, the maximum stroke Sz which can be obtained with the metalware 30 according to the invention is greater than the maximum stroke which can be obtained with a metalware 30 according to the prior art. The magnitude of the maximum stroke Sz is directly connected to the pitch diameter of the pinion 42, as well as to the rotation arc which it can perform during operation. However, as already said in relation to the prior art, the overall rotation of the pinion 42 is limited only to overall 180, along which the three positions are to be distributed: closing, swing opening and fanlight opening. Therefore, the maximum stroke Sz is a function of only the pitch diameter of the pinion 42.

[0056] These technical features are better understood considering the attached figures. The representation of FIG. 7 is schematic and is aimed to understand some aspects of the invention, above all by comparison with FIG. 6 which shows a similar and equally schematic representation of the prior art. In particular, in FIGS. 6 and 7, for simplicity, the rack 40 and the pinion 42 have been represented without teeth, representing only their respective pitch surfaces p1 and p2.

[0057] As can be seen, in the known solution of FIG. 6, the pitch surface p1 of the rack 40 lies on the same plane as the inner surface 342 of the rod 34. As the skilled person can well understand, this simplified representation may be slightly different from some known solutions. In particular, in some known solutions the rack 40 can be made as a separate piece and then applied on the rod 34. In this case the pitch surface p1 of the rack 40 is slightly spaced, with respect to the inner surface 342 of the rod 34, towards the pinion 42, that is on the opposite side of the strip 32. In other solutions the rack 40 can instead be obtained by notching the teeth in the material of the rod 34 itself, for example by plastic deformation of the material or by machining. In this case, therefore, if the notch takes place from the inner surface 342 of the rod 34, it is clear that the pitch surface p1 of the rack 40 will be slightly spaced, with respect to the inner surface 342 of the rod 34, towards the strip 32. However, this displacement is not comparable with that of the invention.

[0058] FIG. 13 clearly shows how the pitch surface p1 of the rack 40 is spaced, with respect to the inner surface 342 of the rod 34, towards the strip 32 beyond the half thickness s of the rod 34.

[0059] According to some embodiments of the invention, the pitch surface p1 of the rack 40 is spaced, with respect to the inner surface 342 of the rod 34, beyond the outer surface 340 of the rod 34.

[0060] According to some embodiments of the invention, the strip 32 of the metalware 30 comprises a slot 320 at the rack 40. The slot 320 (which can be blind or through) allows to house the footprint of the rack 40 and/or the rod portion 34 on which the rack 40 is mounted.

[0061] With particular reference to FIGS. 14 and 15, some features of the invention are described below.

[0062] According to the invention, for example as shown in FIG. 14, the rod 34 comprises a through aperture 344 inside which a canal-shaped structure 43 is inserted and the rack 40 is placed in the canal-shaped structure 43.

[0063] According to other arrangements which are not part of the invention, for example that of FIG. 15, the rod 34 comprises a section 346 shifted with respect to the prevalent development of the rod 34 and the rack 40 is arranged on the shifted section 346. In particular, a rectilinear rod 34 can be subjected to successive bends in order to obtain the shape of FIG. 15. In all the described embodiments, the rack 40 can be made as a separate piece and then applied to the canal-shaped structure 43, or it can be obtained by notching the teeth in the material of the canal-shaped structure 43 itself.

[0064] In light of the foregoing, therefore, the slot 320 of the strip 32 houses slidingly the canal-shaped structure 43 of the rod 34. In particular, the length of the slot 320 allows the canal-shaped structure 43 to slide freely during the movement of the window locking members 36. In particular, the slot 320 develops in the prevalent development direction Z of the metalware 30, in order to allow the canal-shaped structure 43 to slide in this direction.

[0065] Preferably, the window locking members 36 comprise one or more locking pins 360 and/or one or more latches 362 mounted in a firm manner on the rod 34. In particular, the strip 32 comprises a slot at each locking pin 360. The locking pin 360 extends from the outer surface 340 of the rod 34 and goes through the respective slot of the strip 32 to extend in the opposite direction to the inner surface 342 of the rod 34. The latch 362, on the other hand, extends from the end of the rod 34, in the prevalent development direction Z of the metalware 30.

[0066] According to another aspect, the invention also relates to a window 20 comprising a fixed frame 22 and a frame 24 movable between a complete opening position and a complete closure position. The movable frame 24 comprises a strut 240 on which the metalware 30 is mounted according to the invention. The strut 240 must have transversal dimensions sufficient to house the entire metalware 30 inside, and in particular the pinion 42. As can be seen by comparing FIGS. 6 and 7, the metalware 30 according to the prior art and the metalware 30 according to the invention need respective struts having identical dimensions. However, as already underlined above, the strut 240 of the window according to the invention houses a metalware 30 with a pinion 42 of greater pitch diameter and which therefore allows a greater maximum stroke Sz for the window locking members 36.

[0067] Advantageously, the movable frame 24 can rotate around a hinge axis Y. The direction of the hinge axis Y is preferably parallel to the prevalent development direction Z of the metalware 30. Usually, both the hinge axis Y and the prevalent development direction Z of the metalware 30 are substantially vertical.

[0068] Preferably, the window 20 further comprises a handle 26 suitable for imposing a rotation around the axis X on the pinion 42. As can be seen in FIGS. 12 to 15, one way of connecting the handle 26 to the pinion 42 is to mount both of them on a bar suitable for transmitting the rotation, for example a square-cross section bar. However, as the skilled person can well understand, other kinematic connections can be employed for this purpose.

[0069] In a manner known per se, when the movable frame 24 is in the complete closure position, the strut 240 on which the metalware 30 is mounted matches to a matching structure 242. In an equally known manner, in the windows 20 with one shutter (such as the one represented schematically in FIGS. 1 and 3), the matching structure 242 is a strut of the fixed frame 22. Alternatively, in multi-shutter windows 20 (such as that represented schematically in FIGS. 2 and 4 or in FIGS. 8 and 9), the matching structure 242 is a strut of a second movable frame. Preferably, the second movable frame is locked with respect to the fixed frame 22, in order to remain firmly in position and to provide reliable abutment for the movable frame 24.

[0070] In a manner known per se, when the metalware 30 comprises one or more latches 362, the fixed frame preferably comprises as many hole seats 246, each of which is suitable for receiving a latch 362 which accesses it by sliding in the direction Z.

[0071] Similarly, when the metalware 30 comprises one or more locking pins 360, the matching structure 242 preferably comprises as many U-shaped seats 244, each of which is suitable for receiving a locking pin 360 which accesses it by sliding in the direction Z. For a secure closing of the window 20, each locking pin 360 must enter as far as possible into the groove of the respective U-shaped seat 244. The maximum dimension of the locking pins 360 is therefore limited by the maximum stroke Sz they can be imposed by the metalware 30. A locking pin 360 with a diameter greater than its own maximum stroke Sz could not enter sufficiently into the groove of the respective U-shaped seat 244 and would therefore not guarantee a secure closing of the window 20. The greater stroke Sz which, with the same dimensions of the strut 240, can be obtained with the metalware 30 of the invention thus allows greater dimensions for the locking pins 360 and therefore greater safety in closing.

[0072] As the skilled person can understand, the invention allows to overcome the drawbacks underlined above with reference to the prior art.

[0073] In particular, the present invention provides a metalware for a window which combines the need to maintain reduced dimensions for the strut of the movable frame and, at the same time, allows greater dimensions for the locking pins.

[0074] In this way, the window metalware allows to obtain locking pins with greater mechanical resistance and therefore to increase the level of safety. Furthermore, the present invention provides a metalware for a window which, alongside the advantages introduced with respect to known solutions, also maintains the benefits inherent in the latter.

[0075] It is clear that the specific features are described in relation to various embodiments of the invention with exemplifying and non-limiting intent. Obviously, a person skilled in the art may make further modifications and variations to this invention, in order to meet contingent and specific requirements. For example, the technical features described in connection with an embodiment of the invention may be extrapolated from it and applied to other embodiments of the invention. Such modifications and variations are, however, contained within the scope of the invention, as defined by the following claims.