EP2231979B1 - A coupling device - Google Patents
A coupling device Download PDFInfo
- Publication number
- EP2231979B1 EP2231979B1 EP07846452.6A EP07846452A EP2231979B1 EP 2231979 B1 EP2231979 B1 EP 2231979B1 EP 07846452 A EP07846452 A EP 07846452A EP 2231979 B1 EP2231979 B1 EP 2231979B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft member
- coupling device
- sash
- coupling
- 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.)
- Active
Links
- 230000008878 coupling Effects 0.000 title claims description 89
- 238000010168 coupling process Methods 0.000 title claims description 89
- 238000005859 coupling reaction Methods 0.000 title claims description 89
- 238000007789 sealing Methods 0.000 description 4
- 230000009191 jumping Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
- E05F11/02—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights
- E05F11/04—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights with cords, chains or cables
- E05F11/06—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights with cords, chains or cables in guide-channels
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/619—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using flexible or rigid rack-and-pinion arrangements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
-
- 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
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/214—Disengaging means
-
- 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
- E05Y2201/644—Flexible elongated pulling elements
- E05Y2201/656—Chains
-
- 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
- E05Y2201/71—Toothed gearing
- E05Y2201/722—Racks
- E05Y2201/724—Flexible
-
- 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
-
- 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
- E05Y2900/152—Roof windows
- E05Y2900/154—Skylights
Definitions
- the present invention relates to a coupling device for connecting an elongate operator means, such as an operator chain of a chain operator, to a sash member of a window, said coupling device comprising a securing means adapted to be secured to said sash member, a first coupling member, which at a first end is designed for connection with said free end of said operator means and at a second end has a mouth of a cut-out, and a second coupling member comprising a shaft member rotationally secured to said securing means, said shaft member comprising a connection section with a first transverse dimension corresponding to a width of said mouth and a second, larger dimension corresponding to a width of said cut-out, and rotating means for rotating said shaft member.
- Such a coupling device is known from applicant's European patent no. 0 740 042 B1 .
- the shaft member comprises a connection section having a recess with a first transverse dimension corresponding to a width of a mouth of the first coupling member and a second, larger dimension corresponding to a width of a cut-out of the first coupling member, the mouth being a mouth of this cut-out.
- the shaft member may be secured to the first coupling member by guiding it into the recess in an unlocked position in which said first dimension faces said mouth, and then rotating to a locked position in which the second dimension faces the mouth.
- the shaft member is rotated by means of a turning handle, which extends into and forms part of the shaft member.
- the user has no way of determining whether retention of the first coupling member to the shaft member is in a reliably locked position. If the shaft member has been rotated only a few degrees into the locked position, a few degrees of rotation in the opposite direction would unintentionally release the sash from frame, which is of course unfavourable. Such few degrees of rotation might arise during normal operation of the window.
- the coupling device is characterized by further comprising an indicating means abutting said shaft member, said indicating means being adapted to indicate to a user the rotational position of said shaft member when said user operates said rotating means.
- the indicating means When a user rotates the shaft member to shift between the locked and unlocked positions of the coupling device according to the invention, the indicating means thus communicates to the user the rotational position of the shaft member, i.e. whether the first dimension or second dimension of the connection section faces the mouth. From this information the user can derive whether the first coupling device is locked to or released from the second coupling member without applying a troublesome test of for example lifting up a heavy window sash to determine if it is separated from a window frame or not.
- the user is able to readily and reliably determine whether the coupling device is in the locked or unlocked position.
- the solution according to the invention can be applied in a low-cost and easy manner during production of the coupling device.
- the indicating means can be formed as a relatively small element to be positioned within the coupling device such as to not influence the appearance of the coupling member.
- the indicating means abutting the shaft member provides a reliable, mechanically based method of determining the rotational position of the shaft member.
- said indicating means is designed such that said shaft member must overcome a predetermined force in order to rotate.
- information about the position of the shaft member is provided to the user while ensuring that the coupling device does not unintentionally switch between the locked and unlocked positions.
- An advantageous possibility of providing such a predetermined force is to let said indicating means comprise a spring-loaded abutment means abutting said connection section of said shaft member.
- said abutment means is a leaf spring secured to said securing means for holding said shaft member onto said sash member.
- said rotating means for rotating said shaft member is in the form of a slot for a screwdriver, making it possible to dispense with a handle for rotating the shaft member. This provides for a smaller coupling device with a better appearance.
- said securing means comprises a fixture to be fixed on an inner wall of a hollow profile of said sash member and two holding projections holding respective portions of said shaft member to allow for rotation, but prevent radial and axial movement of said shaft member.
- said two holding projections are connected by means of a bridge member, said indicating means being attached to said bridge member such as to project towards and abut said connection section of said shaft member.
- said second coupling member is secured to a sash member of a sash of a window, said first coupling member being connected to a drive means, such as a chain operator, by means of an elongate operator means, such as an operator chain, said drive means being secured to a frame of said window, said first coupling member being adapted to be connected to said second coupling member for pivoting said sash in relation to said frame between an open and a closed position of said window.
- a dome portion 20 in the form of a dome-shaped acrylic plate is attached to the sash 17 to form a weather shield protecting the window portion.
- the dome portion 20 comprises a peak point from which the surface descends to the sides. Sealing projections or weather strips 21, 22 are supporting the dome portion 20, sealing the sash 17 against the dome portion 20.
- Pivoting the sash 17 and dome 20 about said horizontal axis by means of a chain operator 23 embedded in the frame 4 provides movement between an open and a closed position of the window.
- the chain operator 23 may be driven automatically and may be radio controlled.
- the sash 17 comprises a sash member 1
- the frame 18 comprises a frame member 4, which are both positioned at the right side of Fig. 2 and shown in more detail in Figs 3 and 4 .
- a first embodiment of the coupling device according to the present invention the coupling device being shown without the sash and frame members 1,4 in Figs. 5 and 6 .
- Individual members of the coupling device are shown separately in Figs. 7 to 10 .
- the coupling device comprises a first coupling member 3 ( Fig. 7 ), which is flat and disc-shaped, and a second coupling member 6 comprising a transverse shaft member 6a ( Fig. 9 ).
- the first coupling member 3 is at a first end secured to an elongate operator means in the form of an operator chain 2 ( Fig. 7 ) of the chain operator 23, the operator chain extending into the frame member 4, cf. Fig. 4 .
- the first coupling member 3 has a mouth 5a of a keyhole-shaped cut-out 5.
- the shaft member 6a of the second coupling member 6 is rotationally secured to a securing means 10, the shaft member 6a comprising a connection section 8 with a first transverse dimension a corresponding to a width of the mouth 5a and a second, larger dimension b corresponding to a width of the cut-out 5.
- the connection section 8 is in the form of a local two-sided constriction with substantially rectangular cross-section.
- the shaft member 6a comprises rotating means in the form of a slot 7 for a screwdriver for rotating the shaft member 6a.
- the sash member 1 comprises a bore 7a to allow for insertion of a screwdriver into the slot 7.
- the securing means 10 is preferably made from metal such as steel and comprises a fixture 12 fixed on an inner wall of a hollow profile of the sash member 1 by means of a bolt 10a, cf. Figs. 3 to 6 .
- a corresponding, not shown bolt is positioned on the opposite side of the shaft member 6a.
- Two holding projections 13, 14 of the securing means 10 hold respective portions of the shaft member 6a to allow for rotation, but prevent radial and axial movement of the shaft member 6a.
- a separate clip 9 ( Fig. 10 ) is inserted abutting an outer wall of the holding projection 13 into a circumferential slot 24 of the shaft member 6a to ensure that the shaft member 6a is not released from its proper position.
- the two holding projections 13, 14 are connected by means of a bridge member 15.
- An indicating means in the form of a spring-loaded leaf spring 11 ( Fig. 8 ) is attached by means of end foldings 11a, 11b to the bridge member 15 such as to project downwards abutting the connection section 8 of the shaft member 6a.
- the leaf spring is positioned offset in an axial direction of the shaft member 6 such as to not interfere with the first coupling member 3 during operation of the coupling device.
- the bridge member 15 may comprise corresponding cut-outs (not shown) for taking up the end foldings 11a, 11b.
- the leaf spring 11 is shaped to be symmetrical over two centre planes and comprises three linear plate-shaped sections 11c, 11d, 11e, the middle part 11d abutting the connection section 8. As will be explained in more detail below, the leaf spring 11 is adapted to indicate to a user the rotational position of the shaft member 6a when the user operates the slot 7 by means of a screwdriver (not shown).
- Figs 1 to 6 the coupling device is positioned in a locked position, in which the shaft member 6a has been rotated such that the second, larger dimension b faces the mouth 5a of the first coupling member 3. In this position the first coupling member 3 is firmly connected to the second coupling member 6 such that a user is not able to pull the two apart.
- the spring force provided by the leaf spring 11 acting on the shaft member 6a indicates to a user the rotational position of the shaft member 6a when the user rotates it. Furthermore, the shaft member 6a automatically assumes ("clicks") into the proper locked or unlocked position when the user has overcome the spring force. And the shaft member 6a is held firmly in the position assumed, minimizing the risk of the coupling device jumping out of the locked position during ordinary use of the window.
- the leaf spring 11 could be replaced by other means with similar or like function, such as a spring-loaded plate or an elastic projection.
- Figs 11 to 14 show different views of a second embodiment of the coupling device according to the invention, this embodiment applying such an elastic projection.
- the second embodiment is in many aspects similar to the first embodiment described above. Similar components and features are provided with similar reference numbers and a detailed description of these is provided in the above description of the first embodiment.
- the shaft member 6a is rotationally secured to a fixture 12, which is fixed on an inner wall of a hollow profile of a sash member 1 by means of bolts 10a, 10b.
- the two holding projections 13, 14 are still present in this embodiment. However, no bridge member connecting these is necessary in the present embodiment.
- the leaf spring 11 of the first embodiment has been replaced by an indicating means in the form of end plug 25 provided separately from the shaft member 6a, the end plug 25 in this context being considered to form part of the second coupling member 6.
- the end plug 25 is manufactured from POM and comprises a head part 26, which in the mounted position abuts an outer surface of the sash member 1, cf. Fig. 14 , and projections 27 of clip members 28 abut opposite, inner surfaces of the sash member 1 to hold the end plug 25 in position.
- the head 26 of the end plug 25 comprises two chamfered sides 33 adapted to abut an abutment face, such as a sealing track 34, of the sash member 1 to provide a rotational lock of the end plug 25.
- Circumferential guide rails 29 are also provided, ensuring proper rotation of the end plug 25.
- the end plug 25 further comprises a transversely extending key 30 provided on an end surface of a longitudinally extending and centrally positioned plug rod 31, which at its opposite end is connected to the plug head 26.
- the shaft member 6a comprises a slot 32 corresponding to the key 30.
- the force provided by the slot 32 acting on the key 30 of the shaft member 6a indicates to a user the rotational position of the shaft member 6a when the user rotates it.
- the shaft member 6a is held firmly in the locked position, minimizing the risk of the coupling device jumping out of the locked position during ordinary use of the window.
- the end plug 25 thus provides a function quite similar to that of the leaf spring 11 of the first embodiment. However, in the present embodiment no indication or signal is provided to the user when the coupling device enters into the unlocked position.
- a second end plug 35 has been inserted at an opposite end of the shaft member 6a into bore 7a.
- a similar end plug could be applied to the first embodiment of the coupling device.
- the rotating means 7 may be in the form of a handle extending into the shaft member 6a.
Landscapes
- Wing Frames And Configurations (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Description
- The present invention relates to a coupling device for connecting an elongate operator means, such as an operator chain of a chain operator, to a sash member of a window, said coupling device comprising
a securing means adapted to be secured to said sash member,
a first coupling member, which at a first end is designed for connection with said free end of said operator means and at a second end has a mouth of a cut-out, and
a second coupling member comprising a shaft member rotationally secured to said securing means,
said shaft member comprising a connection section with a first transverse dimension corresponding to a width of said mouth and a second, larger dimension corresponding to a width of said cut-out, and rotating means for rotating said shaft member. - Such a coupling device is known from applicant's European patent no.
0 740 042 B1 . When assembling a window to which such a coupling device has been applied or carrying out subsequent repairs of the window, it is of advantage to be able to release a first coupling member of the coupling device from a second coupling member. Hereby, it is made possible to transport a sash and frame of the window separately before mounting the window, and it is possible to open the window more in order to gain access to interior parts of the window, e.g. from a roof in which the window has been mounted. - The shaft member comprises a connection section having a recess with a first transverse dimension corresponding to a width of a mouth of the first coupling member and a second, larger dimension corresponding to a width of a cut-out of the first coupling member, the mouth being a mouth of this cut-out. Hereby, the shaft member may be secured to the first coupling member by guiding it into the recess in an unlocked position in which said first dimension faces said mouth, and then rotating to a locked position in which the second dimension faces the mouth. The shaft member is rotated by means of a turning handle, which extends into and forms part of the shaft member.
- With this prior art coupling device when a user rotates the shaft member, he has difficulties determining whether the shaft member is in the locked or unlocked position. It is typically necessary to rotate the shaft member some degrees and then lift up the often heavy window sash to see if it is separated from the frame. If not, it is necessary to put the sash back down and then try rotating again. This approach is continued until the sash is, in fact, released from the frame.
- Also, the user has no way of determining whether retention of the first coupling member to the shaft member is in a reliably locked position. If the shaft member has been rotated only a few degrees into the locked position, a few degrees of rotation in the opposite direction would unintentionally release the sash from frame, which is of course unfavourable. Such few degrees of rotation might arise during normal operation of the window.
- Thus, it is the object of the present invention to provide a coupling device of the above-mentioned type, with which it is possible for a user to more readily and reliably determine whether the coupling device is in a locked or an unlocked position.
- To meet this object the coupling device is characterized by further comprising an indicating means abutting said shaft member, said indicating means being adapted to indicate to a user the rotational position of said shaft member when said user operates said rotating means.
- When a user rotates the shaft member to shift between the locked and unlocked positions of the coupling device according to the invention, the indicating means thus communicates to the user the rotational position of the shaft member, i.e. whether the first dimension or second dimension of the connection section faces the mouth. From this information the user can derive whether the first coupling device is locked to or released from the second coupling member without applying a troublesome test of for example lifting up a heavy window sash to determine if it is separated from a window frame or not.
- With the coupling device according to the invention the user is able to readily and reliably determine whether the coupling device is in the locked or unlocked position. The solution according to the invention can be applied in a low-cost and easy manner during production of the coupling device. Further, the indicating means can be formed as a relatively small element to be positioned within the coupling device such as to not influence the appearance of the coupling member. The indicating means abutting the shaft member provides a reliable, mechanically based method of determining the rotational position of the shaft member.
- In an advantageous embodiment of the invention said indicating means is designed such that said shaft member must overcome a predetermined force in order to rotate. Hereby, information about the position of the shaft member is provided to the user while ensuring that the coupling device does not unintentionally switch between the locked and unlocked positions. An advantageous possibility of providing such a predetermined force is to let said indicating means comprise a spring-loaded abutment means abutting said connection section of said shaft member. Preferably, said abutment means is a leaf spring secured to said securing means for holding said shaft member onto said sash member.
- In another embodiment said rotating means for rotating said shaft member is in the form of a slot for a screwdriver, making it possible to dispense with a handle for rotating the shaft member. This provides for a smaller coupling device with a better appearance.
- In an embodiment said securing means comprises a fixture to be fixed on an inner wall of a hollow profile of said sash member and two holding projections holding respective portions of said shaft member to allow for rotation, but prevent radial and axial movement of said shaft member. Preferably, said two holding projections are connected by means of a bridge member, said indicating means being attached to said bridge member such as to project towards and abut said connection section of said shaft member.
- In another embodiment said second coupling member is secured to a sash member of a sash of a window, said first coupling member being connected to a drive means, such as a chain operator, by means of an elongate operator means, such as an operator chain, said drive means being secured to a frame of said window, said first coupling member being adapted to be connected to said second coupling member for pivoting said sash in relation to said frame between an open and a closed position of said window.
- The invention will be explained in detail in the following by means of examples of embodiments with reference to the schematic drawing, in which
-
Fig. 1 is a perspective view of a window applying a first embodiment of the coupling device according to the invention, -
Fig. 2 is a cross-sectional view of the window according toFig. 1 , -
Fig. 3 is a perspective view of a detail of the window according toFig. 1 showing inter alia the coupling device of the window ofFig. 1 ,Fig. 4 is an end view of the detail according toFig. 3 , -
Fig. 5 is a first perspective view of the coupling device of the window ofFig. 1 , -
Fig. 6 is a second perspective view of the coupling device of the window ofFig. 1 , -
Fig. 7 is a detailed perspective view of a first coupling member of the coupling device of the window ofFig. 1 , -
Fig. 8 is a detailed perspective view of an indicating means of the coupling device of the window ofFig. 1 , -
Fig. 9 is a detailed perspective view of a shaft member of the coupling device of the window ofFig. 1 , -
Fig. 10 is a detailed perspective view of a retainer clip of the coupling device of the window ofFig. 1 , -
Fig. 11 is a perspective view of a second embodiment of the coupling device according to the invention, -
Fig. 12 is a perspective view of a securing member and a shaft member of the coupling device ofFig. 11 , -
Fig. 13 is a perspective view of an indicating means of the coupling device ofFig. 11 , and -
Fig. 14 is side view of the coupling member ofFig. 11 mounted in a window sash of a window corresponding to that ofFig. 1 . -
Figs 1 and 2 show different views of a window comprising a first embodiment of the coupling device according to the present invention. The window comprises a rectangular window portion in the form of a standard Velux® top-hung roof window (GHL type), which is able to pivot about a horizontal axis positioned along a side of the window (i.e. the left side ofFig. 2 ). The window portion is installed in aflat roof 16 and comprises a window sash 17 positioned in awindow frame 18, thesash 17 andframe 18 being in the form of extruded PVC profiles. In other embodiments the frame and sash may be in the form of for example extruded aluminium profiles or they may comprise wooden parts. Thewindow sash 17 encloses awindowpane 19 with two layers of glazing sandwiching a layer of gas to provide insulation glazing. - A
dome portion 20 in the form of a dome-shaped acrylic plate is attached to thesash 17 to form a weather shield protecting the window portion. Thedome portion 20 comprises a peak point from which the surface descends to the sides. Sealing projections orweather strips dome portion 20, sealing thesash 17 against thedome portion 20. - Pivoting the
sash 17 anddome 20 about said horizontal axis by means of achain operator 23 embedded in theframe 4 provides movement between an open and a closed position of the window. Thechain operator 23 may be driven automatically and may be radio controlled. - The
sash 17 comprises asash member 1, and theframe 18 comprises aframe member 4, which are both positioned at the right side ofFig. 2 and shown in more detail inFigs 3 and 4 . - Within the
sash member 1 is secured a first embodiment of the coupling device according to the present invention, the coupling device being shown without the sash andframe members Figs. 5 and 6 . Individual members of the coupling device are shown separately inFigs. 7 to 10 . - The coupling device comprises a first coupling member 3 (
Fig. 7 ), which is flat and disc-shaped, and asecond coupling member 6 comprising atransverse shaft member 6a (Fig. 9 ). - The
first coupling member 3 is at a first end secured to an elongate operator means in the form of an operator chain 2 (Fig. 7 ) of thechain operator 23, the operator chain extending into theframe member 4, cf.Fig. 4 . At a second end thefirst coupling member 3 has amouth 5a of a keyhole-shaped cut-out 5. - The
shaft member 6a of thesecond coupling member 6 is rotationally secured to a securing means 10, theshaft member 6a comprising aconnection section 8 with a first transverse dimension a corresponding to a width of themouth 5a and a second, larger dimension b corresponding to a width of the cut-out 5. Theconnection section 8 is in the form of a local two-sided constriction with substantially rectangular cross-section. - Further, the
shaft member 6a comprises rotating means in the form of aslot 7 for a screwdriver for rotating theshaft member 6a. Thesash member 1 comprises abore 7a to allow for insertion of a screwdriver into theslot 7. - The securing means 10 is preferably made from metal such as steel and comprises a
fixture 12 fixed on an inner wall of a hollow profile of thesash member 1 by means of abolt 10a, cf.Figs. 3 to 6 . A corresponding, not shown bolt is positioned on the opposite side of theshaft member 6a. Two holdingprojections shaft member 6a to allow for rotation, but prevent radial and axial movement of theshaft member 6a. A separate clip 9 (Fig. 10 ) is inserted abutting an outer wall of the holdingprojection 13 into acircumferential slot 24 of theshaft member 6a to ensure that theshaft member 6a is not released from its proper position. - The two holding
projections bridge member 15. An indicating means in the form of a spring-loaded leaf spring 11 (Fig. 8 ) is attached by means ofend foldings bridge member 15 such as to project downwards abutting theconnection section 8 of theshaft member 6a. As is seen best inFig. 4 , the leaf spring is positioned offset in an axial direction of theshaft member 6 such as to not interfere with thefirst coupling member 3 during operation of the coupling device. To ensure that theleaf spring 11 does not move out of position on thebridge member 15, thebridge member 15 may comprise corresponding cut-outs (not shown) for taking up theend foldings leaf spring 11 is shaped to be symmetrical over two centre planes and comprises three linear plate-shapedsections middle part 11d abutting theconnection section 8. As will be explained in more detail below, theleaf spring 11 is adapted to indicate to a user the rotational position of theshaft member 6a when the user operates theslot 7 by means of a screwdriver (not shown). - In
Figs 1 to 6 the coupling device is positioned in a locked position, in which theshaft member 6a has been rotated such that the second, larger dimension b faces themouth 5a of thefirst coupling member 3. In this position thefirst coupling member 3 is firmly connected to thesecond coupling member 6 such that a user is not able to pull the two apart. - When the user wants to unlock the
coupling members chain operator 23, he positions a suitable screwdriver through thebore 7a into theslot 7. When the screwdriver is turned, theshaft member 6a is turned such as to assume an unlocked position, in which the first, smaller dimension a of the constrictedshaft member section 8 faces themouth 5a. It is then possible to pull theshaft member 6a out of the cut-out 5 and, thereby, out of engagement with thefirst coupling member 3. - When in the locked position one of the two wider surfaces of the constricted
section 8 abuts theleaf spring section 11d, theleaf spring 11 providing a spring force against theshaft member 6a. When rotating theshaft member 6a, the user must overcome this spring force to position the coupling device into the unlocked position. When the rotational force on theshaft member 6a has overcome the spring force, theshaft member 6a is forced, by theleaf spring 11, to rotate a remaining distance to enter the unlocked position, in which the dimension a faces themouth 5a. In the unlocked position one of the two smaller surfaces of the constricted section abuts theleaf spring section 11d to form another equilibrium of forces. Correspondingly, when rotating theshaft member 6a again, the user must overcome the spring force of this new equilibrium to, again, position the coupling device into the locked position. And again, when the rotational force on theshaft member 6a has overcome the spring force, theshaft member 6a is forced, by theleaf spring 11, to rotate the remaining distance to enter the locked position, in which the dimension b faces themouth 5a. - Thus, the spring force provided by the
leaf spring 11 acting on theshaft member 6a indicates to a user the rotational position of theshaft member 6a when the user rotates it. Furthermore, theshaft member 6a automatically assumes ("clicks") into the proper locked or unlocked position when the user has overcome the spring force. And theshaft member 6a is held firmly in the position assumed, minimizing the risk of the coupling device jumping out of the locked position during ordinary use of the window. - The
leaf spring 11 could be replaced by other means with similar or like function, such as a spring-loaded plate or an elastic projection. -
Figs 11 to 14 show different views of a second embodiment of the coupling device according to the invention, this embodiment applying such an elastic projection. The second embodiment is in many aspects similar to the first embodiment described above. Similar components and features are provided with similar reference numbers and a detailed description of these is provided in the above description of the first embodiment. - As in the first embodiment the
shaft member 6a is rotationally secured to afixture 12, which is fixed on an inner wall of a hollow profile of asash member 1 by means ofbolts projections - In the present embodiment the
leaf spring 11 of the first embodiment has been replaced by an indicating means in the form of end plug 25 provided separately from theshaft member 6a, theend plug 25 in this context being considered to form part of thesecond coupling member 6. The end plug 25 is manufactured from POM and comprises ahead part 26, which in the mounted position abuts an outer surface of thesash member 1, cf.Fig. 14 , andprojections 27 ofclip members 28 abut opposite, inner surfaces of thesash member 1 to hold theend plug 25 in position. Thehead 26 of theend plug 25 comprises two chamferedsides 33 adapted to abut an abutment face, such as a sealingtrack 34, of thesash member 1 to provide a rotational lock of theend plug 25.Circumferential guide rails 29 are also provided, ensuring proper rotation of theend plug 25. - The end plug 25 further comprises a transversely extending key 30 provided on an end surface of a longitudinally extending and centrally positioned
plug rod 31, which at its opposite end is connected to theplug head 26. Theshaft member 6a comprises aslot 32 corresponding to the key 30. - In
Figs 11 and 14 theend plug 25 has been inserted through abore 7a in thesash member 1 such that the key 30 engages theslot 32. This provides the locked position of the coupling device, the key 30 andslot 32 in this position hindering rotation of theshaft member 6a. Note that theend plug 25 is rotationally locked to thesash member 1 because one chamferedside 33 of theplug head 26 engages the sealingtrack 34 of thesash member 1 cf.Fig. 14 . - When rotating the
shaft member 6a, the user must overcome a friction-induced, spring-like force between theslot 32 of theshaft member 6a and the elastic material of the key 30 of theend plug 25. When this force has been overcome, a "click" sounds. Hereby, the user can hear and feel that theshaft member 6a is no longer locked in the cut-out 5 of thefirst coupling member 3. A like signal is released when theshaft member 6a again enters the locked position. - Thus, the force provided by the
slot 32 acting on the key 30 of theshaft member 6a indicates to a user the rotational position of theshaft member 6a when the user rotates it. Theshaft member 6a is held firmly in the locked position, minimizing the risk of the coupling device jumping out of the locked position during ordinary use of the window. - The end plug 25 thus provides a function quite similar to that of the
leaf spring 11 of the first embodiment. However, in the present embodiment no indication or signal is provided to the user when the coupling device enters into the unlocked position. - As shown in
Figs 11 to 14 asecond end plug 35 has been inserted at an opposite end of theshaft member 6a intobore 7a. A similar end plug could be applied to the first embodiment of the coupling device. Alternatively, the rotatingmeans 7 may be in the form of a handle extending into theshaft member 6a. - In the above two non-limiting examples of embodiments of the coupling device according to the invention have been described. As would be clear to the skilled person, further embodiments with similar functions can be developed, without departing from the scope of the present invention, as defined by the appended claims.
Claims (7)
- A coupling device for connecting an elongate operator means (2), such as an operator chain of a chain operator, to a sash member (1) of a window, said coupling device comprising
a securing means (10) adapted to be secured to said sash member (1),
a first coupling member (3), which at a first end is designed for connection with said free end of said operator means (2) and at a second end has a mouth (5a) of a cut-out (5), and
a second coupling member (6) comprising a shaft member (6a) rotationally secured to said securing means (10),
said shaft member (6a) comprising a connection section (8) with a first transverse dimension (a) corresponding to a width of said mouth (5a) and a second, larger dimension (b) corresponding to a width of said cut-out (5), and rotating means (7) for rotating said shaft member (6a),
characterized by further comprising an indicating means (11, 25) formed as a relatively small element to be positioned within the coupling device, said indicating means (11, 25) abutting said shaft member (6a) and being designed such that said shaft member (6a) must overcome a predetermined force in order to rotate such as to indicate to a user the rotational position of said shaft member (6a) when said user operates said rotating means (7). - A coupling device according to claim 1, wherein said indicating means (11, 25) comprises a spring-loaded abutment means abutting said connection section (8) of said shaft member (6a).
- A coupling device according to claim 2, wherein said abutment means is a leaf spring secured to said securing means (10) for holding said shaft member (6a) onto said sash member (1).
- A coupling device according to any one of the previous claims, wherein said rotating means (7) is in the form of a slot for a screwdriver.
- A coupling device according to any one of the previous claims, wherein said securing means (10) comprises a fixture (12) to be fixed on an inner wall of a hollow profile of said sash member (1) and two holding projections (13, 14) holding respective portions of said shaft member (6a) to allow for rotation, but prevent radial and axial movement of said shaft member (6a).
- A coupling device according to claim 5, wherein said two holding projections (13, 14) are connected by means of a bridge member (15), said indicating means (11) being attached to said bridge member (15) such as to project towards and abut said connection section (8) of said shaft member (6a).
- A coupling device according to any one of the previous claims, wherein said second coupling member (6) is secured to a sash member (1) of a sash (17) of a window, said first coupling member (3) being connected to a drive means, such as a chain operator, by means of an elongate operator means (2), such as an operator chain, said drive means being secured to a frame (18) of said window, said first coupling member (3) being adapted to be connected to said second coupling member (6) for pivoting said sash (17) in relation to said frame (18) between an open and a closed position of said window.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DK2007/050192 WO2009076952A1 (en) | 2007-12-19 | 2007-12-19 | A coupling device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2231979A1 EP2231979A1 (en) | 2010-09-29 |
EP2231979B1 true EP2231979B1 (en) | 2017-01-25 |
Family
ID=39709366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07846452.6A Active EP2231979B1 (en) | 2007-12-19 | 2007-12-19 | A coupling device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2231979B1 (en) |
CN (1) | CN101821469B (en) |
PL (1) | PL2231979T3 (en) |
WO (1) | WO2009076952A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019000214B4 (en) | 2019-01-14 | 2022-11-03 | Essertec Gmbh | Skylight or ventilation dome for a building, method of installing a skylight or ventilation dome |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL2472043T3 (en) | 2010-12-29 | 2015-08-31 | Vkr Holding As | A window system having a concealed operator |
EP2472028B1 (en) | 2010-12-29 | 2017-12-13 | VKR Holding A/S | A method of installing a window arrangement comprising a number of neighbouring windows, and such a window arrangement |
DK2653631T3 (en) | 2010-12-29 | 2017-09-25 | Vkr Holding As | WINDOW SYSTEM WITH A FRAMEWORK STRUCTURE AND FITTING DEVICE |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5380117A (en) * | 1989-06-16 | 1995-01-10 | Buschulte; Joachim | Apparatus for the detachable coupling of gripping devices or corresponding tools on robot arms |
US5535551A (en) * | 1995-02-10 | 1996-07-16 | V. Kann Rasmussen Industri A/S | Electrical window operator |
DK171921B1 (en) * | 1995-04-28 | 1997-08-11 | Rasmussen Kann Ind As | Manually releasable coupling device for coupling an elongated actuator with a frame or frame part of a window and pivotable chain opener window with such coupling device |
DE19858533A1 (en) * | 1997-12-18 | 1999-08-12 | Steinel Ag | Electro-mechanical operating mechanism for windows and doors |
CN1853027B (en) * | 2003-10-09 | 2010-05-05 | Vkr控股公司 | Slim window actuator |
-
2007
- 2007-12-19 WO PCT/DK2007/050192 patent/WO2009076952A1/en active Application Filing
- 2007-12-19 EP EP07846452.6A patent/EP2231979B1/en active Active
- 2007-12-19 PL PL07846452T patent/PL2231979T3/en unknown
- 2007-12-19 CN CN2007801011020A patent/CN101821469B/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
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None * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019000214B4 (en) | 2019-01-14 | 2022-11-03 | Essertec Gmbh | Skylight or ventilation dome for a building, method of installing a skylight or ventilation dome |
Also Published As
Publication number | Publication date |
---|---|
CN101821469A (en) | 2010-09-01 |
WO2009076952A1 (en) | 2009-06-25 |
CN101821469B (en) | 2013-07-10 |
PL2231979T3 (en) | 2017-07-31 |
EP2231979A1 (en) | 2010-09-29 |
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