EP3348763B1 - Intermediate arm assembly for a dual-function roof window - Google Patents
Intermediate arm assembly for a dual-function roof window Download PDFInfo
- Publication number
- EP3348763B1 EP3348763B1 EP18150276.6A EP18150276A EP3348763B1 EP 3348763 B1 EP3348763 B1 EP 3348763B1 EP 18150276 A EP18150276 A EP 18150276A EP 3348763 B1 EP3348763 B1 EP 3348763B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- intermediate arm
- dual
- bar
- trough
- window
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000004049 embossing Methods 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 6
- 230000000284 resting effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/48—Suspension arrangements for wings allowing alternative movements
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/48—Suspension arrangements for wings allowing alternative movements
- E05D2015/487—Tilting or swinging movements
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/624—Arms
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/148—Windows
Definitions
- the invention relates to a dual-function roof window which comprises an intermediate arm assembly that is arranged to connect the sash with the window frame and to allow one of two functions involved in the opening of the said window.
- the two intermediate arms located on both sides of the roof window, either rest on the window frame or are lifted together with the window sash.
- Polish patent PL 210344 B1 are known dual-function skylight windows, equipped with intermediate arms which allow opening and closing of the window in one of two functions, as selected by the window's user.
- the intermediate arms are made of open sections, especially made of bent sheet metal profiles. At their upper ends, the intermediate arms are attached by hinges to the window frame, and on their lower ends they have hinges to which the sash of the window is attached.
- the intermediate arms are fitted with mechanisms designed to alternatively lock both intermediate arms in a resting position on the window frame or lock the intermediate arms with the sash for joint movement.
- a dual-function roof window opened in the pivoting function or in the tilting function, comprising a intermediate arm assembly.
- Said assembly comprises an intermediate arm built from at least two sections, including a channel section.
- Said channel section comprising shelves of various widths.
- a bottom shelves of these two sections i.e. of the channel and of the other section, which may have a different cross-section, or may also be channel-shaped section, face each other.
- the upper shelves of said two sections, arranged opposite to the former, are adjacent to each other and inseparably connected. Both sections jointly form the box-type intermediate arm, with increased strength and stiffness.
- the upper part of the intermediate arm is connected by a tilting hinge to a fixed fitting attached to the window frame.
- the tilting hinge executes opening of the window in the tilting function, that is by rotation of the sash around a horizontal axis located at the top of the window, near the upper member of the window frame.
- the intermediate arm is connected by a pivoting hinge to the sash.
- the pivoting hinge executes the opening of the window in the pivoting function, that is by rotation of the sash around a horizontal axis located slightly above half the height of the window.
- the lower part of the sash moves to the outside of the roof, while the upper part of the sash moves to the inside of the attic, whereas the intermediate arms rest on the side members of the window frame.
- the entire sash, together with the intermediate arms moves to the outside of the roof.
- the complete skylight window features two symmetrical intermediate arm assemblies located on the right and left side of the window.
- the second section of the intermediate arm is a Z-bar, positioned so that the upper shelves of the channel section and of the Z-bar are facing in the same direction.
- the webs of the channel section and of the Z-bar are located vertically, parallel to each other, forming the box-like structure of the intermediate arm.
- the Z-bar has an additional wall, which is the bent end of its upper shelf, facing downwards. This makes it possible to insert various fasteners into the intermediate arm such as axles, pegs or pins, recessed in the web and in the additional wall of the Z-bar, connecting the intermediate arm to other components of the intermediate arm assembly.
- the additional wall of the Z-bar along with its web is also used to attach the pivoting hinge to the lower end of the intermediate arm.
- the permanent connection of the upper shelf of the channel section's to the upper shelf of the Z-bar is a clinch connection, obtained by means of a set of joint embossings of these shelves in both sections.
- embossing there occurs a radial flow of the two combined materials, which creates a shaped joint similar in nature to a rivet connection, but using only the original material of the two joined parts.
- the upper shelves of the two sections may be alternatively joined by their spot or linear welding, or else plug welding, or classical riveting.
- the second variant for the intermediate arm section assembly is an arm formed by two channel sections, with upper shelves longer than the bottom shelves.
- One of the channel sections has a web shorter than the other channel section, and this difference is equal to the thickness of the upper shelf.
- the bottom shelves are facing each other, with a slot between them, while the upper shelves, adjacent to each other, thanks to the resulting double thickness, stiffen the box structure of the intermediate arm.
- the webs of the two channel sections are connected by spacer pegs located near their bottom shelves, as in the variant of the intermediate arm consisting of a channel section and a Z-bar.
- the intermediate arm assembly also includes a fixed fitting attached to the window frame.
- a fixed fitting is a trough with a channel cross-section, wherein the web of this channel section, i.e. the bottom of the trough, is arranged on the side member of the window frame and attached to that member by means of fasteners selected depending on the material the members of the window frame are made of. When these members are wooden, the trough is attached to them with wood screws.
- the tilting hinge which connects the trough to the intermediate arm, is a set of two short connectors, namely: a lower connector and an upper connector, each of which is connected in a swiveling fashion, at one end to the side walls of the trough, and at the other end to the web and additional wall of the Z-bar.
- the distance to the axis on which the lower connector is mounted in the trough from the bottom of this trough is greater than the analogous distance to the axis on which the upper connector is mounted in the trough.
- the intermediate arm assembly is also equipped with a sash lifting support mechanism for opening of the window in its tilting function.
- the mechanism while balancing the weight of the sash, is also designed to maintain the sash in any open position selected by the window's user, and attenuates lowering of the sash during window closing.
- the sash lifting support mechanism consists of a slider that travels in and along the trough, and of a support bracket articulated by its ends with the slider and the intermediate arm, and has an assembly of springs driving the slider's movement, resulting in the intermediate arm being lifted by the support bracket, and, consequently, in rotation of the window's sash around its axis of tilting.
- the slider of the support mechanism is in the form of a channel section, whose web slides along the bottom of the trough, and mounted in the side walls of that channel section slider there is a spindle connecting the slider to the support bracket.
- the other end of the support bracket is connected to the intermediate arm by means of a spindle which is mounted in the web and in the additional wall of the intermediate arm Z-bar.
- spindles on which the lower connector and the upper connector are mounted in the trough are secured against rotation relative to the walls of that trough.
- spindles connecting both the upper and lower connector to the web and the additional wall of the intermediate arm Z-bar are secured against rotation relative to the web and the additional wall of the Z-bar.
- the spindle on which the support bracket is mounted in the side walls of the slider is secured against rotation relative to those walls.
- the spindle connecting the support bracket to the web and the additional wall of the intermediate arm Z-bar is secured against rotation relative to the web and the additional wall of the Z-bar.
- each spindle in a non-circular hole in at least one of the walls: of either the trough, the slider, the web or the additional wall of the Z-bar.
- the non-circular hole may be oval, circular with one or two chamfer cuts, or rectangular including square, and tailored to that shape is the cross-section of the stub of the spindle inserted in that hole.
- the intermediate arm assembly has also an adjustment wedge for positioning of the intermediate arm relative to the side member of the window frame.
- the adjustment wedge is slide mounted in the intermediate arm, near the pivoting hinge, or directly in the pivoting hinge's guide.
- the function of the adjustment wedges in both intermediate arms is to provide equal support of the arms on both sides of the window and to correctly position the pivoting hinges for the purpose of opening the window in its pivoting function.
- the dual-function roof window with the intermediate arm which is a set of two sections, makes it possible for this arm to be of a box structure, which has the beneficial effect of increasing the stiffness and strength of the arm, while the clinch connections of both sections ensure the required durability of the joints.
- Use of Z-bar sections with an additional wall makes it easy to connect the intermediate arm with the tilting and pivoting hinges and with the support bracket of the sash lifting support mechanism.
- the longitudinal slot between the bottom shelves of both sections facilitates attachment of a gasket, and the articulated quadrilateral tilting hinge allows for an increase in the opening angle of the window without collision with the covers of the upper member of the window frame.
- the intermediate arm assembly in a dual-function skylight window features an intermediate arm composed of two sections, i.e., a channel section 1, whose web 11 is located and moves in the skylight window vertically, and a Z-bar 2 whose web 21 is also vertical, parallel to the web 11 of the channel section.
- the bottom shelf 12 of the channel section and the bottom shelf 22 of the Z-bar face each other, whereas the upper shelf 13 of the channel section and the upper shelf 23 of the Z-bar, both longer than the bottom shelves 1 2, 22 of those sections, face the same way and are adjacent to each other.
- embossings 14 On the section of the upper shelves 13, 23 of both sections, on the outer side of the web 21 of the Z-bar 2, in the upper shelves 13 of the channel section there are embossings 14, and in the upper shelves 23 of the Z-bar there are embossings 24 - formed jointly in both shelves 13, 23, forming a clinch connection.
- embossing there occurs a radial flow of the material of both joined shelves, the effect being that the outer diameter of the embossing 14 is slightly larger than its outer diameter at the lower surface of the upper shelf 23, and the outer surface of the embossing 14 is a cone that is slightly, by several degrees tapered upwards.
- Clinch connections are spot joints, so that there are several joints of this type on the length of the channel section 1 and Z-bar 2, with an appropriate number of these being used depending on the length of the intermediate arm, which depends on the size of the skylight window.
- the Z-bar 2 has an additional wall 25, which is an extension of its upper shelf 23, bent downwards vertically and parallel to the web 21.
- the additional wall 25 is designed to attach the components of the intermediate arm assembly to the intermediate arm, mainly to its Z-bar 2, as described further herein.
- a slot extending along the entire intermediate arm. Due to the existence of this slot, the web 11 of the channel section 1 is connected to the web 21 of the Z-bar 2 by spacer pegs 15 spaced along the entire length of the intermediate arm.
- Fig. 2 shows the stubs 16 of the spacer pegs 15, projecting from the webs 11, 21 of the two sections, i.e. before unriveting of these stubs.
- a gasket 17 is mounted in the slot formed between the bottom shelf 12 of the channel section and the bottom shelf 22 of the Z-bar.
- the intermediate arm assembly also includes a fixed fitting attached to the window frame, this being a trough 3 with a channel type cross-section.
- the bottom 31 of this trough is mounted on the side member 4 of the wooden window frame and is attached to it by wood screws (not shown in the drawing).
- a tilting hinge 5 is mounted, this being a set of two connectors, i.e. a lower connector 51 and an upper connector 52.
- Each of these two connectors has at one end a hub with a width slightly smaller than the distance between the side walls 32 of the trough 3, and each hub is rotationally mounted on a longer spindle 53 passing through the openings in the side walls 32 of the trough 3.
- the opposing ends of the lower connector 51 and the upper connector 52 i.e. the heads of these connectors, fit into the cavity formed by the upper section of the web 21, the upper shelf 23, and the additional wall 25 of the Z-bar 2, and are connected to the Z-bar 2 and thus to the entire intermediate arm by means of shorter spindles 54 passing through the openings in the web 21 and the additional wall 25 of the Z-bar.
- the trough 3, the lower connector 51, the upper connector 52 and the intermediate arm together form an articulated quadrilateral, whose support is the trough 3.
- the openings for the longer spindles 53 in the side walls 32 of the trough 3 and the holes for the shorter spindles 54 in the web 21 and in the additional wall 25 of the Z-bar 2 are not round, but have chamfer cuts on both sides. Thanks to this the spindles 53, 54 are secured against rotation in these openings, which prevents wear on the surface of the holes, which, being narrower than the hubs and the heads of the connectors 51, 52, are exposed to higher loads.
- the intermediate arm assembly has also a support mechanism 6 for lifting the sash when opening the window in the tilting function, and for balancing the weight of the sash in the open position or when the window is being closed.
- the main parts of the support mechanism 6 are: a slider 61 moving along the inside of the trough 3 and a support bracket 62 disposed between the slider 61 and the Z-bar 2 of the intermediate arm.
- the slider 61 is in the shape of a channel section, whose web 63 slides along the bottom 31 of the trough 3, and in order to reduce friction, the slider 61 has plastic sliding caps 64 arranged between the web 63 of the slider 61 and the bottom 31 of the trough 3; these caps overlap the side walls 65 of the slider 61.
- the support bracket 62 has at one end a hub having a width slightly smaller than the distance between the side walls 65 of the slider 61, which is rotationally mounted on the slider spindle 66 passing through the openings in the side walls 65 of the slider 61.
- the opposite end of the support bracket 62 i.e. its head, fits into the cavity formed by the upper section of the web 21, the upper shelf 23 and the additional wall 25 of the Z-bar 2, and is connected to the intermediate arm by a spindle 67 passing through the openings in the web 21 and in the additional wall 25 of the Z-bar 2 and in the web 11 of the channel section 1.
- the openings for the slider spindle 66 in the side walls 65 of the slider 6, and the openings for the spindle 67 in the web 11 of the channel section 1 and in the additional wall 25 of the Z-bar 2 are not round, but have chamfer cuts on both sides. Thanks to this, the slider spindle 66 is secured against rotation in the openings provided for it in the side walls 65 of the slider, and the spindle 67 is secured against rotation in the holes provided for it in the intermediate arm. This prevents wear on the surfaces of those openings, which, being narrower than the hub and the head of the support bracket 62, are exposed to higher loads.
- a spring assembly 7 arranged along the member 4 of the window frame.
- the number and characteristics of the springs are chosen according to the size of the sash and its weight.
- the intermediate arm is terminated by a pivoting hinge sub-assembly 8, which is formed by the arch-shaped guide for that hinge. This cooperates with the arch-shaped slider, which forms part of the second pivoting hinge assembly 8 attached to the sash frame.
- the pivoting hinge's guide is comprised of a body 81 having a channel for the arch-shaped slider of the pivoting hinge, and a cap 82 which abuts the body 81 and closes the channel from the side.
- the guide's body 81 is partially inserted in the cavity formed by: the upper section of the web 21, the upper shelf 23 and the additional wall 25 of the Z-bar 2.
- the cap 82 has stubs 83 that pass through the holes in the body 81 and, after unriveting, the ends of these stubs form a connection of the cap 82 with the body 81 of the arch-shaped guide. Some of the stubs 83 of the cap 82 also pass through the web 21 of the Z-bar in the intermediate arm, attaching both the body 81, and the cap 82 of the pivoting hinge's 8 guide to the Z-bar 2 in the intermediate arm.
- a sliding adjustment wedge 84 is inserted to adjust the position of the intermediate arm relative to the side member 4 of the window frame.
- the sloping surface of the adjustment wedge 84 and the cooperating surface of the seat 85 accommodating this wedge are equipped with teeth 86 for positioning the adjustment wedge.
- Attachment of the adjustment wedge 84 in the seat 85 is executed by means of a screw 87 mounted in the body 81 of the pivoting hinge's guide, passing through a longitudinal opening in the adjustment wedge 84.
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Description
- The invention relates to a dual-function roof window which comprises an intermediate arm assembly that is arranged to connect the sash with the window frame and to allow one of two functions involved in the opening of the said window. Depending on the selection of the opening function, the two intermediate arms, located on both sides of the roof window, either rest on the window frame or are lifted together with the window sash.
- State of the art. For example from Polish patent
PL 210344 B1 - Essence of the solution. A dual-function roof window, opened in the pivoting function or in the tilting function, comprising a intermediate arm assembly. Said assembly comprises an intermediate arm built from at least two sections, including a channel section. Said channel section comprising shelves of various widths. A bottom shelves of these two sections, i.e. of the channel and of the other section, which may have a different cross-section, or may also be channel-shaped section, face each other. The upper shelves of said two sections, arranged opposite to the former, are adjacent to each other and inseparably connected. Both sections jointly form the box-type intermediate arm, with increased strength and stiffness.
- The upper part of the intermediate arm is connected by a tilting hinge to a fixed fitting attached to the window frame. The tilting hinge executes opening of the window in the tilting function, that is by rotation of the sash around a horizontal axis located at the top of the window, near the upper member of the window frame.
- At its lower part, the intermediate arm is connected by a pivoting hinge to the sash. The pivoting hinge executes the opening of the window in the pivoting function, that is by rotation of the sash around a horizontal axis located slightly above half the height of the window. When opening the window in the pivoting function, the lower part of the sash moves to the outside of the roof, while the upper part of the sash moves to the inside of the attic, whereas the intermediate arms rest on the side members of the window frame. When opening the window in the tilting fashion, the entire sash, together with the intermediate arms, moves to the outside of the roof. The complete skylight window features two symmetrical intermediate arm assemblies located on the right and left side of the window.
- The second section of the intermediate arm is a Z-bar, positioned so that the upper shelves of the channel section and of the Z-bar are facing in the same direction. The webs of the channel section and of the Z-bar are located vertically, parallel to each other, forming the box-like structure of the intermediate arm. Preferably, the Z-bar has an additional wall, which is the bent end of its upper shelf, facing downwards. This makes it possible to insert various fasteners into the intermediate arm such as axles, pegs or pins, recessed in the web and in the additional wall of the Z-bar, connecting the intermediate arm to other components of the intermediate arm assembly. The additional wall of the Z-bar along with its web is also used to attach the pivoting hinge to the lower end of the intermediate arm.
- The permanent connection of the upper shelf of the channel section's to the upper shelf of the Z-bar is a clinch connection, obtained by means of a set of joint embossings of these shelves in both sections. During embossing there occurs a radial flow of the two combined materials, which creates a shaped joint similar in nature to a rivet connection, but using only the original material of the two joined parts. The upper shelves of the two sections may be alternatively joined by their spot or linear welding, or else plug welding, or classical riveting.
- Between the ends of the bottom shelf of the channel section and the bottom shelf of the other section, e.g. a Z-bar, there is a slot extending over the entire length of the intermediate arm, while the web of the channel section and the web of the other section are connected by spacer pegs located near the bottom shelves of the two sections. The ends of these spacer pegs are smaller than the middle part of the pegs, and these pass through the holes in the webs of both sections, and from the outside are unriveted. Recessed in the slot between the bottom shelves of the two sections there is a gasket, placed along the intermediate arm, which with the window closed, is adjacent to the side member of the window frame.
- The second variant for the intermediate arm section assembly is an arm formed by two channel sections, with upper shelves longer than the bottom shelves. One of the channel sections has a web shorter than the other channel section, and this difference is equal to the thickness of the upper shelf. In this set of sections, the bottom shelves are facing each other, with a slot between them, while the upper shelves, adjacent to each other, thanks to the resulting double thickness, stiffen the box structure of the intermediate arm. The webs of the two channel sections are connected by spacer pegs located near their bottom shelves, as in the variant of the intermediate arm consisting of a channel section and a Z-bar.
- The intermediate arm assembly also includes a fixed fitting attached to the window frame. One such fixed fitting is a trough with a channel cross-section, wherein the web of this channel section, i.e. the bottom of the trough, is arranged on the side member of the window frame and attached to that member by means of fasteners selected depending on the material the members of the window frame are made of. When these members are wooden, the trough is attached to them with wood screws.
- The tilting hinge, which connects the trough to the intermediate arm, is a set of two short connectors, namely: a lower connector and an upper connector, each of which is connected in a swiveling fashion, at one end to the side walls of the trough, and at the other end to the web and additional wall of the Z-bar. The distance to the axis on which the lower connector is mounted in the trough from the bottom of this trough is greater than the analogous distance to the axis on which the upper connector is mounted in the trough. The trough, both connectors and the intermediate arm form an articulated quadrilateral, whereby, when tilting the window open, the intermediate arms, together with the sash, slide out from beneath the stationary covers of the upper member of the window frame. From the nature of this articulated quadrilateral application also ensues the fact that the axis of rotation of the sash, when tilting the window open, does not have a fixed position but changes its position during movement.
- The intermediate arm assembly is also equipped with a sash lifting support mechanism for opening of the window in its tilting function. In addition to this support, the mechanism, while balancing the weight of the sash, is also designed to maintain the sash in any open position selected by the window's user, and attenuates lowering of the sash during window closing. The sash lifting support mechanism consists of a slider that travels in and along the trough, and of a support bracket articulated by its ends with the slider and the intermediate arm, and has an assembly of springs driving the slider's movement, resulting in the intermediate arm being lifted by the support bracket, and, consequently, in rotation of the window's sash around its axis of tilting. The slider of the support mechanism is in the form of a channel section, whose web slides along the bottom of the trough, and mounted in the side walls of that channel section slider there is a spindle connecting the slider to the support bracket. The other end of the support bracket is connected to the intermediate arm by means of a spindle which is mounted in the web and in the additional wall of the intermediate arm Z-bar.
- In the tilting hinge, spindles on which the lower connector and the upper connector are mounted in the trough are secured against rotation relative to the walls of that trough. Preferably, also spindles connecting both the upper and lower connector to the web and the additional wall of the intermediate arm Z-bar, are secured against rotation relative to the web and the additional wall of the Z-bar. Also, the spindle on which the support bracket is mounted in the side walls of the slider is secured against rotation relative to those walls. Preferably, also the spindle connecting the support bracket to the web and the additional wall of the intermediate arm Z-bar is secured against rotation relative to the web and the additional wall of the Z-bar. Protection against rotation is achieved by recessing each spindle in a non-circular hole in at least one of the walls: of either the trough, the slider, the web or the additional wall of the Z-bar. The non-circular hole may be oval, circular with one or two chamfer cuts, or rectangular including square, and tailored to that shape is the cross-section of the stub of the spindle inserted in that hole.
- The intermediate arm assembly has also an adjustment wedge for positioning of the intermediate arm relative to the side member of the window frame. The adjustment wedge is slide mounted in the intermediate arm, near the pivoting hinge, or directly in the pivoting hinge's guide. Preferably, on the sloping surface of the adjustment wedge, and on the cooperating surface of the seat in the intermediate arm for that wedge, there are teeth for positioning of the adjustment wedge. The function of the adjustment wedges in both intermediate arms is to provide equal support of the arms on both sides of the window and to correctly position the pivoting hinges for the purpose of opening the window in its pivoting function.
- Advantages of the invention. The dual-function roof window with the intermediate arm which is a set of two sections, makes it possible for this arm to be of a box structure, which has the beneficial effect of increasing the stiffness and strength of the arm, while the clinch connections of both sections ensure the required durability of the joints. Use of Z-bar sections with an additional wall makes it easy to connect the intermediate arm with the tilting and pivoting hinges and with the support bracket of the sash lifting support mechanism. The longitudinal slot between the bottom shelves of both sections facilitates attachment of a gasket, and the articulated quadrilateral tilting hinge allows for an increase in the opening angle of the window without collision with the covers of the upper member of the window frame.
- The invention's embodiment. The intermediate arm assembly, which is the subject of the invention, is illustrated by the embodiment in the drawing, wherein individual figures represent the following:
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Fig. 1 - Main components of the intermediate arm assembly, such as: intermediate arm (in its raised position), trough and slider with support bracket - in axonometric view. -
Fig. 2 -The intermediate arm assembly with the arm resting on the window frame - in cross- section. -
Fig. 3 - The intermediate arm assembly with the arm resting on the window frame and with springs to support sash lifting - as seen in a profile view of the skylight window. -
Fig. 4 - The ending of the intermediate arm with a pivoting hinge and adjustment wedge - in axonometric view. - The intermediate arm assembly in a dual-function skylight window features an intermediate arm composed of two sections, i.e., a
channel section 1, whoseweb 11 is located and moves in the skylight window vertically, and a Z-bar 2 whoseweb 21 is also vertical, parallel to theweb 11 of the channel section. Thebottom shelf 12 of the channel section and thebottom shelf 22 of the Z-bar face each other, whereas theupper shelf 13 of the channel section and theupper shelf 23 of the Z-bar, both longer than thebottom shelves upper shelves web 21 of the Z-bar 2, in theupper shelves 13 of the channel section there are embossings 14, and in theupper shelves 23 of the Z-bar there are embossings 24 - formed jointly in bothshelves embossing 14 is slightly larger than its outer diameter at the lower surface of theupper shelf 23, and the outer surface of theembossing 14 is a cone that is slightly, by several degrees tapered upwards. This creates a shape joint, similar in its nature to a rivet connection, but using only the original material of both joined parts, without the additional material that a rivet would be. Clinch connections are spot joints, so that there are several joints of this type on the length of thechannel section 1 and Z-bar 2, with an appropriate number of these being used depending on the length of the intermediate arm, which depends on the size of the skylight window. - The Z-
bar 2 has anadditional wall 25, which is an extension of itsupper shelf 23, bent downwards vertically and parallel to theweb 21. Theadditional wall 25 is designed to attach the components of the intermediate arm assembly to the intermediate arm, mainly to its Z-bar 2, as described further herein. - Between the
bottom shelf 12 of thechannel section 1 and thebottom shelf 22 of the Z-bar 2 there is a slot extending along the entire intermediate arm. Due to the existence of this slot, theweb 11 of thechannel section 1 is connected to theweb 21 of the Z-bar 2 by spacer pegs 15 spaced along the entire length of the intermediate arm. Thestubs 16 of these spacer pegs 15, with a diameter smaller than the middle section of these pegs, pass through openings in thewebs Fig. 2 shows thestubs 16 of the spacer pegs 15, projecting from thewebs gasket 17 is mounted in the slot formed between thebottom shelf 12 of the channel section and thebottom shelf 22 of the Z-bar. - In the interior of the box structure of the intermediate arm, which is limited on the sides by the
web 11 of thechannel section 1 and theweb 21 of the Z-bar 2, are fitted mechanisms for controlling the opening of the window in its one or other function and controlling the correct operation of the window, for example, one of the mechanisms disclosed in patentsPL 210344 B1 PL 210917 B1 PL 219336 B1 - The intermediate arm assembly also includes a fixed fitting attached to the window frame, this being a
trough 3 with a channel type cross-section. The bottom 31 of this trough is mounted on theside member 4 of the wooden window frame and is attached to it by wood screws (not shown in the drawing). In thetrough 3, near its upper end, a tiltinghinge 5 is mounted, this being a set of two connectors, i.e. alower connector 51 and anupper connector 52. Each of these two connectors has at one end a hub with a width slightly smaller than the distance between theside walls 32 of thetrough 3, and each hub is rotationally mounted on alonger spindle 53 passing through the openings in theside walls 32 of thetrough 3. The opposing ends of thelower connector 51 and theupper connector 52, i.e. the heads of these connectors, fit into the cavity formed by the upper section of theweb 21, theupper shelf 23, and theadditional wall 25 of the Z-bar 2, and are connected to the Z-bar 2 and thus to the entire intermediate arm by means ofshorter spindles 54 passing through the openings in theweb 21 and theadditional wall 25 of the Z-bar. Thetrough 3, thelower connector 51, theupper connector 52 and the intermediate arm together form an articulated quadrilateral, whose support is thetrough 3. The openings for thelonger spindles 53 in theside walls 32 of thetrough 3 and the holes for theshorter spindles 54 in theweb 21 and in theadditional wall 25 of the Z-bar 2 are not round, but have chamfer cuts on both sides. Thanks to this thespindles connectors - The intermediate arm assembly has also a
support mechanism 6 for lifting the sash when opening the window in the tilting function, and for balancing the weight of the sash in the open position or when the window is being closed. The main parts of thesupport mechanism 6 are: aslider 61 moving along the inside of thetrough 3 and asupport bracket 62 disposed between theslider 61 and the Z-bar 2 of the intermediate arm. Theslider 61 is in the shape of a channel section, whose web 63 slides along the bottom 31 of thetrough 3, and in order to reduce friction, theslider 61 hasplastic sliding caps 64 arranged between the web 63 of theslider 61 and the bottom 31 of thetrough 3; these caps overlap the side walls 65 of theslider 61. On the outer side of theside wall 32 of thetrough 3 an outer slidingcap 33 is attached to this wall, located between theside wall 32 of the trough and theweb 21 of the Z-bar in the intermediate arm. - The
support bracket 62 has at one end a hub having a width slightly smaller than the distance between the side walls 65 of theslider 61, which is rotationally mounted on theslider spindle 66 passing through the openings in the side walls 65 of theslider 61. The opposite end of thesupport bracket 62, i.e. its head, fits into the cavity formed by the upper section of theweb 21, theupper shelf 23 and theadditional wall 25 of the Z-bar 2, and is connected to the intermediate arm by aspindle 67 passing through the openings in theweb 21 and in theadditional wall 25 of the Z-bar 2 and in theweb 11 of thechannel section 1. The openings for theslider spindle 66 in the side walls 65 of theslider 6, and the openings for thespindle 67 in theweb 11 of thechannel section 1 and in theadditional wall 25 of the Z-bar 2 are not round, but have chamfer cuts on both sides. Thanks to this, theslider spindle 66 is secured against rotation in the openings provided for it in the side walls 65 of the slider, and thespindle 67 is secured against rotation in the holes provided for it in the intermediate arm. This prevents wear on the surfaces of those openings, which, being narrower than the hub and the head of thesupport bracket 62, are exposed to higher loads. - Cooperating with the sash lifting
support mechanism 6 is aspring assembly 7 arranged along themember 4 of the window frame. Thesesprings 7, through theirends 71 terminating in acommon hook 72 engaging thepin 68 exert a force on theslider 61 directed along theside member 4 of the window frame, and this force is transferred by thesupport bracket 62 to the intermediate arm as a force balancing the weight of the sash. The number and characteristics of the springs are chosen according to the size of the sash and its weight. - The intermediate arm is terminated by a pivoting
hinge sub-assembly 8, which is formed by the arch-shaped guide for that hinge. This cooperates with the arch-shaped slider, which forms part of the secondpivoting hinge assembly 8 attached to the sash frame. The pivoting hinge's guide is comprised of abody 81 having a channel for the arch-shaped slider of the pivoting hinge, and acap 82 which abuts thebody 81 and closes the channel from the side. The guide'sbody 81 is partially inserted in the cavity formed by: the upper section of theweb 21, theupper shelf 23 and theadditional wall 25 of the Z-bar 2. Thecap 82 hasstubs 83 that pass through the holes in thebody 81 and, after unriveting, the ends of these stubs form a connection of thecap 82 with thebody 81 of the arch-shaped guide. Some of thestubs 83 of thecap 82 also pass through theweb 21 of the Z-bar in the intermediate arm, attaching both thebody 81, and thecap 82 of the pivoting hinge's 8 guide to the Z-bar 2 in the intermediate arm. - In the bottom part of the
body 81 of the pivoting hinge's 8 guide a slidingadjustment wedge 84 is inserted to adjust the position of the intermediate arm relative to theside member 4 of the window frame. - The sloping surface of the
adjustment wedge 84 and the cooperating surface of theseat 85 accommodating this wedge are equipped withteeth 86 for positioning the adjustment wedge. Attachment of theadjustment wedge 84 in theseat 85 is executed by means of ascrew 87 mounted in thebody 81 of the pivoting hinge's guide, passing through a longitudinal opening in theadjustment wedge 84.
Claims (14)
- A dual-function roof window, arranged to be opened by a pivoting function, that is by rotation of the sash around a horizontal axis located slightly above half the height of the window, and arranged to be opened by a tilting function by rotating the sash around a horizontal axis located at the top of the window, comprising:- a window frame and a window sash,- two symmetrically arranged intermediate arm assemblies located on the right and left side of the window,- a tilting hinge (5), and a pivoting hinge (8) arranged on each side of the window, wherein- each intermediate arm assembly comprises a fixed fitting and an intermediate arm connected in its upper part by the tilting hinge (5) to the fixed fitting attached to the window frame and in its lower part connected by the pivoting hinge (8) to the window sash,characterized in that each intermediate arm comprises at least two sections (1, 2), from which one is a channel section (1), said channel section (1) comprising a bottom shelf (12) and an upper shelf (13) of various widths, as well the other section (2) comprising bottom shelf (22) and an upper shelf (23), wherein the bottom shelves (12, 22) of said two sections are arranged to face each other and between the ends of the bottom shelf (12) of the channel section (1) and the bottom shelf (22) of the other section (2), a slot is located where said slot is arranged to extend over the entire length of the intermediate arm and wherein the upper shelves (13, 23) of said two sections are adjacent to each other and are inseparably connected such that they jointly form a box-type intermediate arm.
- The dual-function roof window according to claim 1, characterized in that the other intermediate arm section is a Z-bar (2) and the upper shelves (13, 23) of the channel section and of the Z-bar are oriented in the same direction.
- The dual-function roof window according to claim 2, characterized in that the Z-bar (2) comprises an additional wall (25), which is a bent end of its upper shelf (23), facing downwards.
- The dual-function roof window according to claim 1, or 2, or 3, characterized in that a web (11) of the channel section (1) and a web (21) of the other section are connected by spacer pegs (15) located near the bottom shelves (12, 22) of the two sections, and in the slot a gasket (17) is mounted.
- The dual-function roof window according to claim 1, or 2, or 3, or 4, characterized in that the connection of the upper shelf (13) of the channel section (1) to the upper shelf (23) of the other section is a clinch joint obtained by a set of common embossings (14, 24) of the shelves of both sections.
- The dual-function roof window according to claim 2, or 3, or 4, or 5, characterized in that the fixed fitting attached to the window frame is a trough (3) with a channel type cross-section, attached to the side member (4) of the window frame, and a tilting hinge (5) is an assembly of two connectors, i.e. a lower connector (51) and an upper connector (52), each of which is connected in a swiveling fashion at one end with the side walls (32) of the trough (3), and at the other end with the web (21) and the additional wall (25) of the Z-bar (2), so that the trough (5), both connectors (51, 52) and the intermediate arm form an articulated quadrilateral.
- The dual-function roof window according to claim 6, characterized in that the distance from the bottom (31) of the trough to the spindle on which the lower connector (51) is mounted in the trough (3) is greater than the distance to the spindle on which the upper connector (52) is mounted.
- The dual-function roof window according to claim 2 or 6, or 7, characterized in that the spindles (53), on which the lower (51) and the upper (52) connector are mounted in the trough (3), and preferably also the spindles (54) joining these two connectors (51, 52) with the web (21) and the additional wall (25) of the Z-bar (2) of the intermediate arm, are secured against rotating relative to the walls of the trough and the Z-bar respectively in which the spindles are mounted.
- The dual-function roof window according to one of the claims from 6, characterized in that it has a support mechanism (6) for lifting the sash when opening the window in the tilting function, comprising a slider (61) which moves in the trough (3) and a support bracket (62) articulated and connected by its ends with the slider (61) and the intermediate arm, and furthermore, the support mechanism has a spring assembly (7) driving the slider's movement, resulting in the window being lifted by means of the intermediate arm's support bracket, and consequently rotation of the sash around its axis of tilting.
- The dual-function roof window according to claim 2 or 8, characterized in that the slider (61) is in the form of a channel section, whose web (63) slides along the bottom of the trough (31), and in the side walls (65) of the said channel section slider (61) is mounted a spindle (66) connecting the slider (61) with the support bracket (62) whose other end is connected to the intermediate arm by means of the spindle (67) mounted in the web (21) and in the additional wall (25) of the Z-bar (2) of the intermediate arm.
- The dual-function roof window according to claim 2 or 10, characterized in that the spindle (66) on which the support bracket is mounted in the side walls (65) of the slider (61), and preferably also the spindle (67) connecting the support bracket (62) to the web (21) and the additional wall (25) of the Z-bar (2) of the intermediate arm, is secured against rotation relative to the walls of the trough (3) and the Z-bar (2) respectively in which the spindles are mounted.
- The dual-function roof window according to claim 8, or 11, characterized in that the spindle (53, 54, 66, 67) is mounted in at least one of the walls in a non-circular hole.
- The dual-function roof window according to one of the claims from 1 to 12, characterized in that it has an adjustment wedge (84) for positioning the intermediate arm relative to the side member (4) of the window frame, which is slide mounted in the intermediate arm near the pivoting hinge (8).
- The dual-function roof window according to claim 13, characterized in that in the adjustment wedge (84) on its sloping surface and also on the cooperating surface of the seat (85) in the intermediate arm, there are teeth (86) for positioning the adjustment wedge.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL420207A PL231796B1 (en) | 2017-01-16 | 2017-01-16 | Intermediate arm assembly in a bifunctional roof window |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3348763A1 EP3348763A1 (en) | 2018-07-18 |
EP3348763B1 true EP3348763B1 (en) | 2020-04-22 |
Family
ID=60937613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18150276.6A Active EP3348763B1 (en) | 2017-01-16 | 2018-01-04 | Intermediate arm assembly for a dual-function roof window |
Country Status (2)
Country | Link |
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EP (1) | EP3348763B1 (en) |
PL (1) | PL231796B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL443602A1 (en) | 2023-01-27 | 2024-07-29 | Fakro Pp Spółka Z Ograniczoną Odpowiedzialnością | Device for lifting the roof window sash and a roof window with this device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL210917B1 (en) * | 2003-10-30 | 2012-03-30 | Fakro Pp Społka Z Ograniczoną Odpowiedzialnością | Two-function roof light - pivoting and rotating |
PL210344B1 (en) | 2004-04-30 | 2012-01-31 | Fakro Pp Społka Z Ograniczoną Odpowiedzialnością | Skylight with two functions: pivoting and opening |
PL219336B1 (en) | 2006-12-11 | 2015-04-30 | Fakro Pp Spółka Z Ograniczoną Odpowiedzialnością | pivoting and swinging (two-function) roof light |
-
2017
- 2017-01-16 PL PL420207A patent/PL231796B1/en unknown
-
2018
- 2018-01-04 EP EP18150276.6A patent/EP3348763B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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EP3348763A1 (en) | 2018-07-18 |
PL420207A1 (en) | 2018-07-30 |
PL231796B1 (en) | 2019-04-30 |
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