EP2752549A1 - A roof window with an actuator - Google Patents
A roof window with an actuator Download PDFInfo
- Publication number
- EP2752549A1 EP2752549A1 EP14161684.7A EP14161684A EP2752549A1 EP 2752549 A1 EP2752549 A1 EP 2752549A1 EP 14161684 A EP14161684 A EP 14161684A EP 2752549 A1 EP2752549 A1 EP 2752549A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- extremity
- sash
- rotation effecting
- elongated member
- roof 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims description 49
- 238000010168 coupling process Methods 0.000 claims description 49
- 238000005859 coupling reaction Methods 0.000 claims description 49
- 230000003068 static effect Effects 0.000 claims description 7
- 238000007373 indentation Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material 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
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
- E05F1/105—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring
- E05F1/1058—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
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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
- 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
- E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut mechanisms
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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
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/214—Disengaging means
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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
- 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
Definitions
- the present invention relates generally to a roof window, such as top hung roof window and more specifically to such a roof window that can be opened and/or closed by means of an actuator.
- Windows for installation in an inclined roof surface, comprise a frame that can be installed and secured to the roof structure and a sash hinged to a top portion of the frame, such that the sash can pivotally move about the hinge relative to the frame are known in the art.
- Such roof windows can either be manually operated by the user or operated by a controllable drive means such as an electrical motor/actuator.
- a pivoting device for a window of the above kind is described in WO 2012/085181 A1 .
- This device comprises a window frame and an extension arm that can be pivoted about a pivot axis.
- the device comprises a displacement element, movably attached to the extension arm and a drive means, such as an electric motor, that can move the displacement element, and a deflecting lever that connects the frame and the extension arm.
- the drive mechanism may comprise a self-locking spindle, in which case the window cannot be manually operated.
- a non-self-locking drive mechanism may be used, which, however, limits the choice of actuator mechanism and makes the drive mechanism more expensive.
- a top hung roof window comprising a frame comprising two side members, interconnected by a bottom member and a top member, a sash comprising two side members, interconnected by a bottom member and a top member, the sash being pivotally connected to the frame along the top members by a hinge for pivotal movement of the sash between a closed position and open positions, an elongated member provided at or in one of the side members of the frame and extending substantially parallel therewith, and a link mechanism operably connecting the sash to the elongated member so that the elongated member is longitudinally displaced when the sash pivots relative to the frame, the elongated member being resiliently biased for balancing the sash in any open position
- the window is provided with a linear actuator that comprises a static part and a linearly movable part, the static part is secured to the frame with the linearly movable part aligned with the elongated member and with an
- linear actuator that is arranged in line with the elongated member, a simple and inexpensive arrangement for motorized actuation of the sash is provided.
- the solution allows for the linear actuator to either form an integral part of the window as it leaves the factory or be subsequently provided to an already existing window as an ad-on unit.
- the extremity of the linearly movable part is permanently connected with the opposing extremity of the elongated member, and wherein the linear actuator is not self-locking and thus movement of the sash forces movement of the linear actuator.
- first part and the second part of the releasable coupling are configured to automatically engage one another when they from a separated state are pushed against one another, and wherein the first part and the second part of the releasable coupling are configured to disengage one another when the first part and the second part are in an engaged state and the first part and the second part are pushed together with a force exceeding a pushing force threshold.
- first part and the second part the coupling are configured to automatically engage one another when they abut with one another and wherein the first part and the second part of the releasable coupling are configured to disengage from one another when a force pulling them apart exceeds a pulling force threshold.
- the first part is configured for reception of the second part and wherein the first part is closed at one longitudinal end and open at an opposing longitudinal end through which opposing longitudinal end the second part is received, and wherein the first part comprises first retaining means configured for retaining the second part upon introduction hereof in the first part thereby establishing releasable connection between the first part and the second part.
- the releasable coupling comprises a first part open at one longitudinal end and being provided with an internal channel comprising a first channel section connecting the open end with a first stop position, from which a second channel section leads to a second stop position, from which a third channel section leads to a third stop position from which a fourth channel section leads to the opening of the first part, and wherein the first stop position and the third stop position are provided on inner surfaces of the first part facing away from the opening and the second stop position is provided on an inner surface of the first part closer to the opening than the first and second stop positions, and a second part provided with an attachment member configured to be able to pass through the internal channel of the first part, the attachment member being movable under tension such that it can follow the internal channel from the opening through the channel sections and back to the opening.
- the elongated member 6 is arranged in or at one of the side members 2'2of the frame 2 and extends in parallel with the side ember 2' concerned.
- the elongated member 6 is arranged to be longitudinally displaceable and the elongated member 6 is guided in its movement in- or along the side member 2' by suitable guide means such as guide surfaces or guide channels or openings as is apparent for one skilled in the art.
- suitable guide means such as guide surfaces or guide channels or openings as is apparent for one skilled in the art.
- a part of the guide means can be formed by a suitable sized opening in a stationary support plate 8.
- the elongated member 6 is biased towards the bottom of the roof window 1 by a biasing member such as for instance a helical wire spring 7.
- a biasing member such as for instance a helical wire spring 7.
- helical wire spring 7 is a compression spring and encircles a portion of the elongated member 6 and one end of the helical wire spring 7 abuts with the stationary support plate 8 and the other end of the helical wire spring 7 abuts with an enlarged diameter extremity 9 of the elongated member 6.
- the characteristic of the biasing member 7 is chosen such that the sash 3 is substantially balanced in any open position.
- the extremity 10 of the movable part of the linear actuator 11 moves towards the extremity 9 of the elongated member 6, as indicated by the arrow C and eventually reaches the extremity 9 of the elongated member 6 as shown in figure 2b .
- the extremity 10 of the actuator 11 gets into abuts (at the position indicated by reference numeral 12) with the extremity 9 of the elongated member 6 (or moves into the vicinity hereof) the extremity 10 of the actuator 11 automatically establishes releasable attachment to the extremity 9 of the elongated member 6.
- a spring (not shown) will cause the teeth 36 on the second rotation effecting member 39 are in engagement with the corresponding indentations 31 on the third rotating effecting member 32, and as the first rotation effecting member 34 is fixed to the housing 29 of the first part 28 of the coupling, the cylindrical portion 37 that is attached to the third rotation effecting member 32 will undergo rotation about the longitudinal axis X, whereby the spherical bodies 35 will be forced out of the corresponding recesses 45 in the radial direction towards the longitudinal axis X and thereby lock the extended portion 42 of the second part 41, 42 to the first part 28 of the coupling.
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
Description
- The present invention relates generally to a roof window, such as top hung roof window and more specifically to such a roof window that can be opened and/or closed by means of an actuator.
- Windows, for installation in an inclined roof surface, comprise a frame that can be installed and secured to the roof structure and a sash hinged to a top portion of the frame, such that the sash can pivotally move about the hinge relative to the frame are known in the art. Such roof windows can either be manually operated by the user or operated by a controllable drive means such as an electrical motor/actuator.
- A pivoting device for a window of the above kind is described in
WO 2012/085181 A1 . This device comprises a window frame and an extension arm that can be pivoted about a pivot axis. The device comprises a displacement element, movably attached to the extension arm and a drive means, such as an electric motor, that can move the displacement element, and a deflecting lever that connects the frame and the extension arm. - Manual operation of a roof window provided with a controllable drive motor can cause a problem due to the extra load on the movable part caused by the drive mechanism and motor. Thus, for instance, the drive mechanism may comprise a self-locking spindle, in which case the window cannot be manually operated. Instead of using a drive mechanism with a self-locking spindle a non-self-locking drive mechanism may be used, which, however, limits the choice of actuator mechanism and makes the drive mechanism more expensive.
- Consequently, it would be advantageous to provide an openable window of the above kind that can be automatically opened and closed, but which can also be manually operated without this requirement limiting the choice of drive means as described above.
- On this background, it is an object to provide a top hung roof window of the kind described above that can be manually operated and electrically operated.
- The object the above and other objects and advantages are obtained by providing a top hung roof window, the window comprising a frame comprising two side members, interconnected by a bottom member and a top member, a sash comprising two side members, interconnected by a bottom member and a top member, the sash being pivotally connected to the frame along the top members by a hinge for pivotal movement of the sash between a closed position and open positions, an elongated member provided at or in one of the side members of the frame and extending substantially parallel therewith, and a link mechanism operably connecting the sash to the elongated member so that the elongated member is longitudinally displaced when the sash pivots relative to the frame, the elongated member being resiliently biased for balancing the sash in any open position, the window is provided with a linear actuator that comprises a static part and a linearly movable part, the static part is secured to the frame with the linearly movable part aligned with the elongated member and with an extremity of the linearly movable part permanently connected or releasably engaged with an opposing extremity of the elongated member.
- By providing a linear actuator that is arranged in line with the elongated member, a simple and inexpensive arrangement for motorized actuation of the sash is provided. The solution allows for the linear actuator to either form an integral part of the window as it leaves the factory or be subsequently provided to an already existing window as an ad-on unit.
- By providing a permanent connection between the linear actuator and the elongated member a simple and reliable solution is provided that requires the actuator to be non-self-locking. By providing an automatically releasable connection between the linear actuator and the elongated member an actuator that is self-locking can be used whilst the sash can still ne manually moved.
- In an embodiment the extremity of the linearly movable part is permanently connected with the opposing extremity of the elongated member, and wherein the linear actuator is not self-locking and thus movement of the sash forces movement of the linear actuator.
- In an embodiment the extremity of the movable part of the linear actuator is provided with a first part of releasable coupling, the first part being configured for releasable attachment to a cooperating second part of the coupling, the second part being provided on the extremity of the elongated member.
- In an embodiment the first part and the second part of the releasable coupling are configured to automatically engage one another when they from a separated state are pushed against one another, and wherein the first part and the second part of the releasable coupling are configured to disengage one another when the first part and the second part are in an engaged state and the first part and the second part are pushed together with a force exceeding a pushing force threshold.
- In an embodiment the first part and the second part the coupling are configured to automatically engage one another when they abut with one another and wherein the first part and the second part of the releasable coupling are configured to disengage from one another when a force pulling them apart exceeds a pulling force threshold.
- In an embodiment the extremity of the elongated member is provided with a first part of a releasable coupling configured for releasable attachment to a cooperating second part of the releasable coupling provided, the second part being provided on the extremity of the linear actuator.
- In an embodiment the first part is configured for reception of the second part and wherein the first part is closed at one longitudinal end and open at an opposing longitudinal end through which opposing longitudinal end the second part is received, and wherein the first part comprises first retaining means configured for retaining the second part upon introduction hereof in the first part thereby establishing releasable connection between the first part and the second part.
- In an embodiment the releasable coupling comprises a first part open at one longitudinal end and being provided with an internal channel comprising a first channel section connecting the open end with a first stop position, from which a second channel section leads to a second stop position, from which a third channel section leads to a third stop position from which a fourth channel section leads to the opening of the first part, and wherein the first stop position and the third stop position are provided on inner surfaces of the first part facing away from the opening and the second stop position is provided on an inner surface of the first part closer to the opening than the first and second stop positions, and a second part provided with an attachment member configured to be able to pass through the internal channel of the first part, the attachment member being movable under tension such that it can follow the internal channel from the opening through the channel sections and back to the opening.
- In an embodiment the releasable coupling comprises a first part comprising a cylindrical housing open at one longitudinal end for reception of a second part of the releasable coupling, where the housing longitudinally opposite the open end is provided with a first rotation effecting member fixed to the housing and a second rotation effecting member provided in the housing opposite the first rotation effecting member, the second rotation effecting member being configured for rotational and longitudinal movement within the housing, wherein first retaining means configured for retaining the second part is attached to the third rotation effecting member and moves together herewith, the housing comprising an interior space longitudinally between the first and third rotation effecting members, which space comprises a third rotation effecting member that is free to undergo rotational and longitudinal movement in the space, where the first rotation effecting member comprises teeth facing similar teeth provided on the third rotation effecting member and facing the first rotation effecting member, and where the third rotation effecting member comprises teeth facing the third rotation effecting member and configured for engagement with indentations on the third rotation effecting member facing the third rotation effecting member, where the third rotation effecting member in the direction towards the opening is connected with a cylindrical portion comprising retaining bodies, and where the housing and the cylindrical portion are configured such that a rotation of the cylindrical portion makes the retaining bodies undergo radial movement, thereby creating a space within which space an extended portion of a second part of the releasable coupling is retained by the retaining bodies, and a second part comprising a longitudinally extending shaft portion at the end hereof provided with a radially extended portion configured for insertion in the open end of the housing of the first part.
- Further objects, features, advantages and properties of the top hung roof window according to the invention will become apparent from the detailed description.
- In the following detailed portion of the present description, the roof window will be explained in more detail with reference to the example embodiments shown in the drawings, in which
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Fig. 1 shows a schematic perspective view of a prior art top hung roof window; -
Fig. 2a, 2b and 2c show a schematic plane side view of a first example embodiment of an openable roof window provided with a linear actuator illustrating the principle of the invention; -
Fig. 3 shows a schematic cross sectional view of a first embodiment of a releasable coupling; and -
Figs. 4a and 4b show a schematic cross-sectional view of a second embodiment of the releasable coupling. - With reference to
Fig. 1 there is shown a schematic elevated view of a prior art roof window generally indicated byreference numeral 1. Thewindow 1 has aframe structure 2 with side members 2', abottom member 2" and atop member 2"' (thetop member 2"' is not visible infigure 1 ). Thebottom member 2" andtop member 2"' interconnect the side members 2' to form a rectangular frame that defines an opening. Thewindow 1 is also provided with asash structure 3 withside members 3, abottom member 3" mand atop member 3"'. Thebottom member 3"hand top member 3" interconnect theside members 3" to form arectangular sash 3 that defines an opening that is filled with a window pane, such as double glazing or another form of glazing. The frame members 2' 2" 2"' and the sash members 3' 3" 3"' can for example be wooden members, metal profiles, plastic (polymeric) material members or combinations thereof. - The
frame 2 and thesash 3 are connected to each other at the top member of theframe 2 by asuitable hinge 4. Thesash 3 can undergo a pivotal movement relative to theframe 2 about thehinge 4 as indicated by the arrow B infigure 1 between a closed position and open positions. - The
sash 3 connects in this embodiment to thehinge 4 via twoarms 14 that are rigidly connected to the side members 3'. As shown inFigure 2 , thearms 14 project from thesash 3 so as to reach thehinge 4. - A
link arm 5 is pivotally connected with one of its longitudinal ends to thearm 14 at a position at a distance from thehinge 4. In an embodiment (not shown) the longitudinal end of thearm 5 is pivotally connected directly to the side member 3'. The other longitudinal end of thelink arm 5 is pivotally connected to an extremity of anelongated member 6. Theelongated member 6 is in an embodiment a rod or bar, preferably a metal rod or bar. - The
elongated member 6 is arranged in or at one of the side members 2'2of theframe 2 and extends in parallel with the side ember 2' concerned. Theelongated member 6 is arranged to be longitudinally displaceable and theelongated member 6 is guided in its movement in- or along the side member 2' by suitable guide means such as guide surfaces or guide channels or openings as is apparent for one skilled in the art. A part of the guide means can be formed by a suitable sized opening in astationary support plate 8. - The link arrangement between the
sash 3 and theelongated member 6 with thelink arm 5 causes theelongated member 6 to move towards the bottom of theroof window 1 when thesash 3 makes a pivotal movement relative to theframe 2 in an opening direction and vice versa, as indicated by the arrows A and B. - The
elongated member 6 is biased towards the bottom of theroof window 1 by a biasing member such as for instance ahelical wire spring 7. In an embodimenthelical wire spring 7 is a compression spring and encircles a portion of theelongated member 6 and one end of thehelical wire spring 7 abuts with thestationary support plate 8 and the other end of thehelical wire spring 7 abuts with an enlarged diameter extremity 9 of theelongated member 6. In an embodiment the characteristic of thebiasing member 7 is chosen such that thesash 3 is substantially balanced in any open position. Further, in an embodiment braking or damping means can be provided, to ensure that the sash can be kept in a stable open position without being affected by wind or other forces that may have an impact on thesash 3. These braking or damping means can e.g. be provided in the opening in thestatic support plate 8 through which theelongated member 6 passes. These can be passive damping/breaking means or active breaking/damping means that apply a braking/dampening force that is dependent on the spring force, i.e. dependent on the position of thesash 3. - With reference to
figures 2a, 2b and 2c there is shown a schematic plane side view of a first example embodiment of anopenable roof window 1. Features of the embodiment shown infigures 2a, 2b and 2c that are identical to those shown and described infigure 1 are designated by the same reference numbers as infigure 1 . - The
window 1 is provided alinear actuator 11 with anoperable extremity 10. Thelinear actuator 11 is secured in or at the frame member 2' and thelinear actuator 11 is arranged in line with theelongated member 6. Thelinear actuator 11 is provided at the bottom end of theroof window 1 and has a static part secured to theframe 2 and a movable part that protrudes from the static housing. Thus, thelinear actuator 11 is provided substantially coaxially with theelongated member 6 such that anextremity 10 of the free end of the movable part of thelinear actuator 11 faces an extremity 9 of theelongated member 6. These extremities will be described in greater detail below. Thelinear actuator 11 is in an embodiment an electrically operated and controlled actuator that comprises an electric rotary drive motor (not shown) and a mechanism to translate the rotary movement of the electric drive motor into a linear movement. In an embodiment the mechanism comprises a nut and spindle arrangement. - When starting from the position shown in
Figure 2a , and when thelinear actuator 11 is operated to extent itself, theextremity 10 of the movable part of thelinear actuator 11 moves towards the extremity 9 of theelongated member 6, as indicated by the arrow C and eventually reaches the extremity 9 of theelongated member 6 as shown infigure 2b . When theextremity 10 of theactuator 11 gets into abuts (at the position indicated by reference numeral 12) with the extremity 9 of the elongated member 6 (or moves into the vicinity hereof) theextremity 10 of theactuator 11 automatically establishes releasable attachment to the extremity 9 of theelongated member 6. Thelinear actuator 11 can now apply a pull load and a push load to theelongated member 6 and thereby move thesash 3 to a desired pivotal position relative to theframe 2 as indicated by the arrow D infigure 2c . When this desired position is reached, theextremity 10 of theactuator 11 is released from the extremity 9 of theelongated member 6 and theoperable extremity 10 of theactuator 11 is returned to its original retracted position as shown infigure 2a . In this state of the roof window it is possible for a user to operate the window manually without needing to move the linear actuator. - Electronic control means (not shown) that control the operation of the
linear actuator 11 are configured to cause the linear actuator to move such that it engages and disengages theelongated ember 6. - The disengagement of the releasable coupling is in an embodiment achieved by a pushing force that exceeds a pushing force threshold, i.e. the releasable coupling is arranged to disengage when the pushing force from the
linear actuator 11 on to theelongated member 6 exceeds a given pushing force threshold. In another embodiment the disengagement of the releasable coupling is based on a pulling force exceeding a pulling force threshold, i.e. the releasable coupling is arranged to disengage when the pulling force from thelinear actuator 11 to theelongated member 6 exceeds a given pushing force threshold. - With reference to
figure 3 there is shown a schematic cross sectional view of a first embodiment of a releasable coupling. The coupling comprises afirst part 13 and a second,mating part 19. Thefirst part 13 can be provided at the longitudinal end of theelongated member 6 facing thelinear actuator 11 and thesecond part 19 can be provided oppositely on the operational end of thelinear actuator 11 facing theelongated member 6. A provision of thefirst part 13 on the operational end of thelinear actuator 11 and thesecond part 19 on the longitudinal end of theelongated member 6 would also be possible as an alternative. - The
first part 13 of the coupling according to a first embodiment comprises abody portion 14', 14" open at onelongitudinal end 17 for reception of anextremity 23 of thesecond part 19 of the coupling. The body portion comprises aninclined wall member 14", along theinclined surface 16 of which theextremity 23 of thesecond part 19 can slide, when thesecond part 19 is pushed into thefirst part 13 as indicated by the arrow G. When the second part is pushed into the first part, theextremity 23 follows the path of movement schematically indicated by the arrows E1, E2 and E3 through afirst channel portion 18. Following the path of movement indicated by arrows E1, E2 and E3 theextremity 23 arrives at a first stop position indicated by 15 and a further movement of theextremity 23 in the direction of arrow G will push thefirst part 13 in this direction. When the direction of movement of thesecond part 19 is reversed (the opposite direction of arrow G) theextremity 23 passes through asecond channel portion 19 and is received in asecond stop position 20 of thebody portion 14" and a further movement of theextremity 23 will result in thefirst part 13 being pulled in the direction opposite to the arrow G, i.e. back towards thelinear actuator 11. If the direction of movement of theextremity 23 is again reversed (in the direction of arrow G) the path of movement indicated by arrow E4 is followed through athird channel portion 21 and thefirst part 13 is again pushed away from thelinear actuator 11. A final reversal of the direction of movement of theextremity 23 will make this portion move in the direction of arrow E5 through afourth channel portion 22 and thesecond part 19 of the coupling will become released from the first part of the coupling. The proper movement through the first to fourth channel along the arrows E1 through E5 is facilitated by means of thespring 26 that together with the provision of theextremity 24 on anarm 25 with a pivot axle 27 allows the desired lateral pivotal movement of theextremity 24 as shown infigure 3 . - With reference to
figures 4a and 4b there is shown a schematic cross sectional view of a second embodiment of a releasable coupling according to the invention. This embodiment comprises a first part generally indicated byreference numeral 28 that can either be provided at the extremity 9 of theelongated member 6 or, alternatively, at theoperational end 10 of thelinear actuator 11. Thefirst part 28 is configured to go into releasable engagement with amating extremity 42 provided at theoperational end 10 of thelinear actuator 11, if thefirst part 28 is provided on the extremity 9 of theelongated member 6, or the extremity 9 of theelongated member 6, if thefirst part 28 is provided on theoperable end 10 of thelinear actuator 11. - The
first part 28 comprises acylindrical housing 29 open at least at onelongitudinal end 43 for reception of themating extremity 42. Longitudinally opposite theopen end 43 there is inside thehousing 29 provided a firstrotation effecting member 34 that on the face hereof facing theopening 43 is provided with a cylindrical tooth ring comprising a plurality of teeth having ainclined surface 30 facing theopen end 43. The firstrotation effecting member 34 is fixed relative to thehousing 29. - Longitudinally opposite the first rotating effecting
member 34 towards theopen end 43 there is provided a cylindrical secondrotation effecting member 39, such that acylindrical space 40 is formed between the first and secondrotation effecting members rotation effecting member 39 is longitudinally facing the firstrotation effecting member 34 provided with a cylindrical tooth ring comprising a plurality ofteeth 36. Between the first and secondrotation effecting members rotation effecting member 32. - Attached to the third
rotation effecting member 32 there is provided acylindrical portion 44 that is provided withchannel portions 36 configured to accommodatespherical bodies 35 herein. Thehousing 29 is in the inner circumferential surface provided withrecesses 45 corresponding to thespherical bodies 35. - In the
space 40 there is between the firstrotation effecting member 34 and the secondrotation effecting member 39 provided a thirdrotation effecting member 32. The thirdrotation effecting member 32 can undergo rotation about a longitudinal axis X of thehousing 29 as well as longitudinal movement along this axis. At the longitudinal end hereof facing the firstrotation effecting member 34 there is provided a cylindrical tooth ring comprising teeth provided with aninclined portion 33 that matches theinclined portion 30 of the tooth ring on thefirst member 34. At the opposite longitudinal end of the thirdrotation effecting member 32 there is provided a ring ofindentations 31 that matches theteeth 36 provided on the secondrotation effecting member 39. - The second part of a releasable coupling according to the embodiment shown in
figures 4a and 4b comprises ashaft portion 41 provided with a radiallyextended extremity 42 at the longitudinal end facing thefirst part 28 of the releasable coupling. It is understood that theshaft portion 41 can be either theelongated member 6 itself or, alternatively, the operable end of 10 of thelinear actuator 11. Theextended extremity 42 is configured such that it can pass thespherical bodies 35 into thespace 44 of thefirst part 28 of the coupling, when thespherical bodies 35 are positioned adjacent to therecesses 45. When thesecond part extended extremity 42 affects the third rotation effecting member 32 (connection not shown), whereby theinclined portions 33 of the teeth on the thirdrotation effecting member 32 will slide along the corresponding inclined portions on the teeth on the firstrotation effecting member 34. At this stage a spring (not shown) will cause theteeth 36 on the secondrotation effecting member 39 are in engagement with the correspondingindentations 31 on the third rotating effectingmember 32, and as the firstrotation effecting member 34 is fixed to thehousing 29 of thefirst part 28 of the coupling, thecylindrical portion 37 that is attached to the thirdrotation effecting member 32 will undergo rotation about the longitudinal axis X, whereby thespherical bodies 35 will be forced out of the correspondingrecesses 45 in the radial direction towards the longitudinal axis X and thereby lock the extendedportion 42 of thesecond part first part 28 of the coupling. Thus, when thesecond part figure 4b , the first andsecond part rotation effecting members figure 4b . - When the
second part first part 28, engagement between the first and the thirdrotation effecting members spherical bodies 35 will become positioned adjacentrespective recesses 45, thereby enabling the first andsecond parts - Although the teaching of this application has been described in detail for purpose of illustration, it is understood that such detail is solely for that purpose, and variations can be made therein by those skilled in the art without departing from the scope of the teaching of this application.
- For example, in the detailed description above there are described alternative embodiments of the releasable coupling means. It is however understood that there are also other embodiments of the releasable coupling that are possible and fall within the scope of protection defined by the claims. Such other embodiments could for instance comprise electro-magnetic couplings. Or the releasable coupling means could be operated by a second electric actuator.
- The term "comprising" as used in the claims does not exclude other elements or steps. The term "a" or "an" as used in the claims does not exclude a plurality.
Claims (9)
- A top hung roof window, said window (1) comprising:a frame (2) comprising two side members (2'), interconnected by a bottom member (2") and a top member (2"'),a sash (3) comprising two side members (3'), interconnected by a bottom member (3") and a top member (3"'),the sash (3) being pivotally connected to the frame (2) along said top members (2"', 3"') by a hinge (4) for pivotal movement of the sash (3) between a closed position and open positions,an elongated member (6) provided at or in one of said side members (2') of the frame (2) and extending substantially parallel therewith, anda link mechanism (5) operably connecting said sash (3) to said elongated member (6) so that said elongated member is longitudinally displaced when the sash (3) pivots relative to the frame (2),said elongated member (6) being resiliently biased for balancing the sash (3) in any open position,characterized in that said window (1) is provided with a linear actuator (11) that comprises a static part and a linearly movable part, said static part is secured to said frame (2) with said linearly movable part aligned with said elongated member (6) and with an extremity (10) of said linearly movable part permanently connected or releasably engaged with an opposing extremity (9) of said elongated member (6).
- A roof window according to claim 1, wherein said extremity (10) of said linearly movable part is permanently connected with said opposing extremity (9) of said elongated member(6), and wherein said linear actuator (11) is not self-locking and thus movement of the sash (3) forces movement of said linear actuator (11).
- A roof window according to claim 1 or 2, wherein said extremity (10) of the movable part of said linear actuator (11) is provided with a first part (13, 28) of releasable coupling, said first part being configured for releasable attachment to a cooperating second part (19, 41, 42) of said coupling, said second part (19, 41, 42) being provided on the extremity (9) of said elongated member (6).
- A roof window according to claim 3, wherein said first part (13, 28) and said second part (19, 41, 42) of said releasable coupling are configured to automatically engage one another when they from a separated state are pushed against one another, and wherein said first part (13, 28) and said second part (19, 41, 42) of said releasable coupling are configured to disengage one another when said first part (13, 28) and said second part (19, 41, 42) are in an engaged state and said first part (13, 28) and said second part (19, 41, 42) are pushed together with a force exceeding a pushing force threshold.
- A roof window according to claim 3, wherein said first part (13, 28) and said second part (19, 41, 42) of said coupling are configured to automatically engage one another when they abut with one another and wherein said first part (13, 28) and said second part (19, 41, 42) of said releasable coupling are configured to disengage from one another when a force pulling them apart exceeds a pulling force threshold.
- A roof window according to any one of claims 1 to 5, wherein said extremity (9) of said elongated member (6) is provided with a first part (13, 28) of a releasable coupling configured for releasable attachment to a cooperating second part (19; 41, 42) of said releasable coupling provided, said second part (19; 41, 42) being provided on said extremity (10) of said linear actuator (11).
- A roof window according to any one of claims 1 to 6, wherein said first part (13, 28) is configured for reception of said second part (19; 41, 42) and wherein said first part (13, 28) is closed at one longitudinal end and open at an opposing longitudinal end (17, 43) through which opposing longitudinal end said second part (19; 41, 42) is received, and wherein said first part (13, 28) comprises first retaining means (20; 35, 36, 37, 45) configured for retaining said second part (19; 41, 42) upon introduction hereof in said first part (13, 28) thereby establishing releasable connection between said first part (13, 28) and said second part (19; 41, 42).
- A roof window according to any one of claims 1 to 7, wherein said releasable coupling comprises:a first part (13) open at one longitudinal end (17) and being provided with an internal channel comprising a first channel section (18) connecting the open end (17) with a first stop position (15), from which a second channel section (19) leads to a second stop position (20), from which a third channel section (21) leads to a third stop position (22) from which a fourth channel section (23) leads to the opening (17) of the first part (13), and wherein the first stop position (15) and the third stop position (22) are provided on inner surfaces of the first part (13) facing away from the opening (17) and the second stop position (20) is provided on an inner surface of the first part (13) closer to the opening (17) than the first and second stop positions (15, 22), anda second part (19) provided with an attachment member (24) configured to be able to pass through the internal channel of the first part (13), the attachment member being movable under tension (26) such that it can follow the internal channel from the opening (17) through the channel sections (18, 19, 21, 23) and back to the opening (17).
- A roof window according to any one of claims 1 to 8, wherein said releasable coupling comprises:a first part (28) comprising a cylindrical housing (29) open at one longitudinal end (43) for reception of a second part (41, 42) of said releasable coupling, where the housing (29) longitudinally opposite said open end (43) is provided with a first rotation effecting member (34) fixed to the housing (29) and a third rotation effecting member (32) provided in the housing (29) opposite the first rotation effecting member (34), the third rotation effecting member (32) being configured for rotational and longitudinal movement within the housing (29), wherein first retaining means (35, 36, 37, 45) configured for retaining said second part (19; 41, 42) is attached to said third rotation effecting member (32) and moves together herewith, the housing (29) comprising an interior space (40) longitudinally between said first and second rotation effecting members (34, 39), which space (40) comprises a third rotation effecting member (32) that is free to undergo rotational and longitudinal movement in said space (40), where said first rotation effecting member (34) comprises teeth (30) facing similar teeth (33) provided on said third rotation effecting member (32) and facing the first rotation effecting member (34), and where said second rotation effecting member (39) comprises teeth (36) facing the third rotation effecting member (32) and configured for engagement with indentations (31) on the third rotation effecting member (32) facing the second rotation effecting member (39), where the third rotation effecting member (32) in the direction towards the opening (43) is connected with a cylindrical portion (37) comprising retaining bodies (35), and where the housing (29) and the cylindrical portion (37) are configured such that a rotation of the cylindrical portion (37) makes the retaining bodies (35) undergo radial movement, thereby creating a space (44) within which space an extended portion of a second part of the releasable coupling is retained by said retaining bodies (35), anda second part (41, 42) comprising a longitudinally extending shaft portion (41) at the end hereof provided with a radially extended portion (42) configured for insertion in the open end (43) of the housing (29) of the first part (28).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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EP14161684.7A EP2752549B1 (en) | 2014-03-26 | 2014-03-26 | Top hung roof window with an actuator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP14161684.7A EP2752549B1 (en) | 2014-03-26 | 2014-03-26 | Top hung roof window with an actuator |
Publications (2)
Publication Number | Publication Date |
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EP2752549A1 true EP2752549A1 (en) | 2014-07-09 |
EP2752549B1 EP2752549B1 (en) | 2016-10-19 |
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EP14161684.7A Active EP2752549B1 (en) | 2014-03-26 | 2014-03-26 | Top hung roof window with an actuator |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3073034A1 (en) * | 2015-03-23 | 2016-09-28 | VKR Holding A/S | A manually and electrically openable roof window with a manually and electrically operable lock |
DE102020201486B3 (en) * | 2020-02-06 | 2021-05-20 | Roto Frank Dachsystem-Technologie GmbH | Skylight windows |
DE102021214083A1 (en) | 2021-12-09 | 2023-06-15 | Roto Frank Dachsystem-Technologie GmbH | Method for operating a building closure element and corresponding building closure element |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11692371B2 (en) | 2017-04-06 | 2023-07-04 | Pella Corporation | Fenestration automation systems and methods |
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EP1533439A2 (en) * | 2003-11-21 | 2005-05-25 | VKR Holding A/S | Servo-lifting device |
WO2012085181A1 (en) | 2010-12-22 | 2012-06-28 | Suspa Gmbh | Pivoting device |
-
2014
- 2014-03-26 EP EP14161684.7A patent/EP2752549B1/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1533439A2 (en) * | 2003-11-21 | 2005-05-25 | VKR Holding A/S | Servo-lifting device |
WO2012085181A1 (en) | 2010-12-22 | 2012-06-28 | Suspa Gmbh | Pivoting device |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3073034A1 (en) * | 2015-03-23 | 2016-09-28 | VKR Holding A/S | A manually and electrically openable roof window with a manually and electrically operable lock |
DE102020201486B3 (en) * | 2020-02-06 | 2021-05-20 | Roto Frank Dachsystem-Technologie GmbH | Skylight windows |
EP3862521A1 (en) | 2020-02-06 | 2021-08-11 | Roto Frank Dachsystem-Technologie GmbH | Flat roof window |
DE102021214083A1 (en) | 2021-12-09 | 2023-06-15 | Roto Frank Dachsystem-Technologie GmbH | Method for operating a building closure element and corresponding building closure element |
EP4198236A1 (en) | 2021-12-09 | 2023-06-21 | Roto Frank Dachsystem-Technologie GmbH | Method for operating a building closure element and corresponding building closure element |
DE102021214083B4 (en) | 2021-12-09 | 2023-07-20 | Roto Frank Dachsystem-Technologie GmbH | Method for operating a building closure element and corresponding building closure element |
Also Published As
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