EP3250769B1 - A door or window assembly, a security method and a method for making a door or window assembly - Google Patents
A door or window assembly, a security method and a method for making a door or window assembly Download PDFInfo
- Publication number
- EP3250769B1 EP3250769B1 EP16701877.9A EP16701877A EP3250769B1 EP 3250769 B1 EP3250769 B1 EP 3250769B1 EP 16701877 A EP16701877 A EP 16701877A EP 3250769 B1 EP3250769 B1 EP 3250769B1
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- European Patent Office
- Prior art keywords
- frame
- door
- window
- fastening
- sensor
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- 230000007246 mechanism Effects 0.000 claims description 73
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- 239000012777 electrically insulating material Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 239000011810 insulating material Substances 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
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- 238000005553 drilling Methods 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 239000012812 sealant material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B45/00—Alarm locks
- E05B45/06—Electric alarm locks
- E05B45/08—Electric alarm locks with contact making inside the lock or in the striking plate
- E05B45/083—Electric alarm locks with contact making inside the lock or in the striking plate with contact making either in the striking plate or by movement of the bolt relative to the striking plate
- E05B45/086—Electric alarm locks with contact making inside the lock or in the striking plate with contact making either in the striking plate or by movement of the bolt relative to the striking plate by transverse movement
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/0067—Monitoring
- E05B2047/0069—Monitoring bolt position
Definitions
- This invention relates to a door or window assembly, a security method and a method of making a door or window assembly.
- a sensor on a door or window can be part of an alarm system in which the alarm will be set off if the door or window is opened.
- a sensor may comprise a magnetic strip attached to the door or window and a magnetic sensor fitted to the frame. The sensor is arranged to detect when the magnetic strip and sensor are in close proximity, thus determining that the door or window is closed.
- Such a sensor is however only capable of detecting if the door or window is closed - i.e. it is not able to detect that the door or window has been secured in the frame by the activation of a fastening mechanism.
- DE8606091U and DE167404C disclose a sensor for a lock in which the sensor uses a mechanical switch to determine whether a fastening member of the lock is secure. Aspects of the present invention are recited by the appended claims.
- a door or window assembly comprising: a door or window; a frame arranged to receive the door or window; a sensor; and a fastening mechanism, the fastening mechanism comprising:a first fastening member on the door or window and a second fastening member on the door or window, wherein the first fastening member and the second fastening member are each moveable between an unfastened position and a fastened position, in which the first fastening member is arranged to engage with a first frame member on the frame to fasten the door or window in the frame and the second fastening member is arranged to engage with a second frame member on the frame to fasten the door or window in the frame, wherein the first and second fastening members are electrically connected; the first and second frame members are electrically connected via the first fastening member and the second fastening member when both the first and second fastening members are in the fastened position and engaged with the respective one of the first and second frame members; and otherwise the first and
- This arrangement detects when a door or window is fastened in its frame by detecting when the first fastening member is in the fastened position and engaged with the first frame member. This provides an advantage over the prior art which only detects when the door or window is closed (e.g. it has been pushed into the frame) but cannot determine whether the door or window is fastened into the frame
- the sensor of this invention is able to determine when the door or window is fastened in the frame and therefore held securely in place to prevent it being opened from the outside. This is not achieved by known sensors, which detect only that the door or window is pushed into the frame, but which may still not be fastened into the frame, so can still be opened from the outside.
- the sensor of this invention is suited to doors and windows which have a fastening mechanism which must be moved from an unfastened position to a fastened position by an actuator, such as a handle lever or button, operated by the user. The user may therefore push the door or window into the frame but forget to move the actuator to fasten the door or window into the frame so that it is secure. In such a position, a typical, known sensor would still sense that the door or window is closed, whereas the sensor of this invention would sense that the door or window is not fastened into the frame and conclude that the assembly is not secure.
- the arrangement according to the invention advantageously requires detecting an electrical connection between the frame members via the fastening members.
- a connection can be used to indicate that the fastening members and frame members are fastened and engaged.
- the fastening members positioned on the door or window must be allowed to move with respect to the frame when the door or window is closed.
- an actuator e.g. a handle
- the fastening members may be both connected to a single actuator so that they are moved in tandem to engage with the frame members to fasten the door or window in the frame.
- the senor of this invention requires only electrical connections to be made to components already attached to the frame.
- a system can be conveniently retro-fitted to an existing design of door or window frame and may be hidden within the body of the frame so that it is not visible during use.
- a door or window assembly comprising: a first door or window and a second door or window; and a frame arranged to receive the first door or window and the second door or window, and wherein the first and the second door or window each comprises a fastening mechanism as defined above, and wherein the first frame members of the fastening mechanisms are electrically connected, and wherein the sensor is arranged to detect whether there is an electrical connection between the second frame members of the fastening mechanisms.
- a security method for detecting whether in the door or window assembly of this invention, a door or window is secured in its frame comprises detecting whether the first fastening member is in the fastened position and engaged with the first frame member.
- a method of making a door or window assembly comprising fitting a sensor to an existing door or window assembly to provide the door or window of the present invention.
- FIG. 1 A window assembly 100 according to a first embodiment of the invention is shown in Figure 1 .
- This invention applies to a door or window or another similar closure means such as a hatch, trap door or the like. Any features described in the following description in relation to one closure means such as a window, can be equally applied to a door or any other closure means.
- the window assembly 100 comprises a window 102 which is arranged to be received by a frame 104.
- a window can be installed in a building as is well known in the art.
- the window 102 is hinged along one side such that it can move between a closed position in which it is received by the frame and an open position where it is not received by the frame. In this example, in the open position, the window 102 is angled with respect to the frame.
- the window 102 may be hinged on a different side to that shown in Figure 1 .
- the window may be pivotally connected on more than one of its sides, such that it can move in the same plane as the frame 104 into the open position.
- the window assembly 100 further comprises a first fastening mechanism arranged to fasten the window in the frame 102.
- the window 102 is arranged such that it may be moved into a closed position where it is received by the frame, but in this closed position it is not fastened to the frame to prevent it being opened from the outside.
- the window 102 may therefore be 'pushed closed', but not fastened into the frame.
- the fastening mechanism can be operated by the user to fasten or secure the window 102 into the frame 104.
- this invention provides improved security by identifying when the window is both in the closed position and fastened into the frame to prevent it from being easily opened from the outside. This is particularly important where the fastening mechanism is not activated automatically by the action of the window being closed.
- fastening mechanisms require the user to operate them (by operation of a lever, handle or button, for example) once the window has been closed in order to fasten the window into its frame. As the user may forget to do this, the window may inadvertently be left unsecured.
- This invention provides a sensor that not only determines whether the window is closed, but also that it has been fastened to the frame. The sensor is thus able to provide an alert the user if the window is not secure by providing a visual or audible indicator or alarm, for example, or may provide an alert to a computer in communication with the sensor.
- the first fastening mechanism comprises a first fastening member 106 mounted on the window 102 and a first frame member 108 located on the frame 104.
- the first fastening member 106 is moveable between an unfastened position and a fastened position in which it is arranged to engage with the first frame member 108.
- the first fastening member 106 and first frame member 108 form a two part fastening mechanism.
- the window is fastened into the frame 104 and cannot easily be opened from the outside by an intruder.
- the first fastening member may also be moved between the unfastened and the fastened position when the window is not received in the frame, i.e. the window 102 is not in the closed position (e.g. the window is open such that the fastening member and frame member are not aligned with each other and therefore do not engage when in the fastened position).
- the window assembly 100 further comprises a sensor 110 arranged to detect when the first fastening member is in the fastened position and engaged with the first frame member.
- a sensor 110 arranged to detect when the first fastening member is in the fastened position and engaged with the first frame member.
- the sensor 110 is thus arranged to detect that the window is fastened into the frame and cannot easily be opened from the outside, rather than only pushed closed such that it can still be easily opened from the outside. This offers an advantage over known sensors, which are only able to detect that a window has been closed and are unable to detect whether the window has been securely fastened into the frame.
- the first fastening mechanism comprises a second fastening member 107 and a second frame member 109.
- the first fastening mechanism therefore comprises two frame member and fastening member pairs. This embodiment makes use of these pairs to determine whether the window is secured into the frame.
- Such components are common in window and door fastening mechanisms, thus allowing the sensor of the present invention to be fitted to existing windows and doors with few additional components or modifications. This optionally allows the sensor of this invention to be retro-fitted to existing window assemblies.
- the second fastening member 107 is located on the window 102 and is moveable between an unfastened position and a fastened position in which it is arranged to engage with the second frame member 109 on the frame 104.
- the first and second frame members 108, 109 are spaced apart along the length of one side of the frame.
- the first and second fastening members 106, 107 are spaced apart by a corresponding distance along a corresponding side of the window 102.
- the first and second fastening members 106, 107 may be on different sides of the window 104, and in some embodiments may be located on opposite sides of the window to each other.
- the first fastening mechanism may comprise two frame and fastening member pairs.
- the first fastening mechanism may further comprise a third fastening member and frame member pair to further secure the window 102 into the frame 104.
- the first fastening mechanism may comprise any number of frame member and fastening member pairs.
- the first and second fastening members 106, 107 are moved from the unfastened to the fastened position by the operation of an actuator 105.
- the actuator 105 is in the form of a handle, which can be rotated by a user. Such a handle is rotatable between a first position, in which the first and second fastening members 106, 107 are in the unfastened position and a second position, in which the first and second fastening members 106, 107 are in the fastened position.
- the actuator may be a lever or button or the like, which can similarly be operated by the user to move the first and second fastening members 106, 107 between the fastened and unfastened positions.
- the first and second fastening members 106, 107 are connected together by a first electrically conducting element.
- the first electrically conducting element comprises a linkage 111.
- the linkage 111 is arranged to operatively couple the actuator 105 to both frame members 106, 107 so that they move together when the actuator 105 is operated by the user.
- the linkage 111 may comprise a rigid link, such as a plate or bar, connecting frame members 106, 107 with the actuator 105.
- the first and second fastening members 106, 107 therefore move so that they engage with their respective frame member 108, 109 at substantially the same time.
- the linkage 111 may be connected to all of the pairs so that they move together and engage with each other at substantially the same time.
- a separate actuator is provided for each of the first fastening member and the second fastening member such that they can be moved independently of each other.
- there is an actuator for each pair of frame and fastening member e.g. a first actuator for the first fastening member 106 and the first frame member 108, and a second actuator for the second fastening member 107 and the second frame member 109) arranged to move the respective fastening member between the engaged and unfastened positions.
- the first and second fastening members (and any further fastening members that are present in some embodiments) may not be moved into engagement at the same time, but instead may be moved one at a time, or two at a time, for example.
- the sensor of this invention makes use of the electrical connection that is created between the fastening members 106, 107 and the frame members 108, 109 when the fastening members are moved to the fastened position.
- Each of the frame members 108, 109 and fastening members 106, 107 comprise an electrically conducting material so that an electrical connection is created between them when they are moved to the fastened position.
- the first and second fastening members 106, 107 are electrically connected by the linkage 111.
- the linkage 111 comprises an electrically conducting material there is a permanent electrical connection between the first and second fastening members 106, 107.
- the inventor has realised that this connection can be exploited to provide a convenient sensor to detect when the first and second fastening members 106, 107 are in the fastened position and engaged with the respective frame member.
- the present invention therefore requires few components and can optionally be retro-fitted to an existing window assembly.
- the first electrically conducting element comprises a wire connected between the fastening members 106, 107.
- Such an electrically conducting wire can be hidden within the body of the frame and so is not accessible or visible to the user once installed.
- the first and second frame members 108, 109 are electrically connected via the first fastening member 106 and the second fastening member 107 when both the first and second fastening members 106, 107 are in the fastened position and engaged with the respective one of the first and second frame members. Otherwise, the first and second frame members are electrically isolated.
- the first and second frame members are electrically isolated when either the first, the second, or both of the fastening members 106, 107 are in the unfastened position (or are in the fastened position, but not engaged with their respective first or second frame member 108, 109 because the window is not closed).
- first fastening member 106 When the first fastening member 106 is in the unfastened position, there is no electrical connection between the first frame member 108 and the first fastening member 106 because there is no physical contact between them. This means that there is no completed electrical circuit between the first frame member 108 and the second frame member 109 via the electrical connection between the first fastening member 106 and the second fastening member 107. The circuit is broken at the point between the first frame member 108 and the first fastening member 106 because they are not engaged. Similarly, when the second fastening member 107 is in the unfastened position, there is no complete electrical circuit between the first frame member 108 and the second frame member 109 via the electrical connection between the first fastening member 106 and the second fastening member 107.
- the circuit is broken between the second frame member 109 and second fastening member 107.
- the electrical circuit is broken at both of these points and again there is no completed circuit between the first frame member 108 and the second frame member 109 via the electrical connection between the first fastening member 106 and the second fastening member 107.
- the sensor 110 is arranged to detect the completion of this electrical circuit (e.g. to detect an electrical connection between the first frame member 108 and the second frame member 109, via the first fastening member 106, the linkage 111 and the second engagement member 107). This advantageously provides a sensor to detect when the window is fastened in the frame, rather than simply when the window is closed, but the fastening mechanism has not been engaged.
- the frame 104 comprises an electrically insulating material (e.g. PTFE etc) and so there is no electrical connection between the frame members 108, 109 when they are not in contact with the fastening members.
- the frame may comprise an electrically conducting material (e.g. a metal, or partly metal, frame).
- at least one of the first and second frame members 108, 109 or both, are provided with an insulating member to electrically insulate them from the frame.
- the insulating member may comprise a pad or other such insulating layer disposed between the frame and the frame member 108, 109.
- a second electrically conducting element may be arranged to electrically connect the first frame member 108 to the sensor 110 and a second electrically conducting element may be arranged to connect the second frame member 109 to the sensor 110 (as indicated by the broken lines in Figure 1a ).
- each of the second and third electrically conducting elements may comprise wires which may be arranged within a body of the frame so that they are not accessible, exposed or visible to the user once the sensor 110 has been installed.
- the electrically conducting wires can be hidden inside the frame by drilling holes into the frame and inserting the wires from the outside.
- the electrically conducting wires may be fixed to the surface of the frame 102 and hidden by a sealant material applied to the frame.
- FIGS 2a-2j Close up views of the fastening mechanism during the process of closing and fastening the window 102 into the frame 104 are shown in Figures 2a-2j.
- Figures 2a, 2c, 2e, 2g and 2i show a side view of the fastening mechanism and Figures 2b, 2d, 2f, 2h and 2j show a top view of the fastening mechanism.
- Figures 2b, 2d, 2f, 2h and 2j show a top view of the fastening mechanism.
- first frame member 108 and the first fastening member 106 are shown, it is to be understood that the second frame member 109 and second fastening member 107 (or any additional pairs of fastening members and frame members provided on the window) may be the same.
- the first frame member 108 comprises a plate 112 which is fixed to the frame 104 using a suitable fixing means such as screw or bolts.
- the plate 112 comprises an electrically conducting material.
- the plate 112 comprises a slot 114 which extends from one edge of the plate 112 into the body of the plate 112.
- the slot 114 has an open end 114a and a closed end 114b and comprises an open end portion (labelled A in Figure 2 ) extending from the open end 114a, and a closed end portion (labelled B) at or near the closed end 114b.
- the plate may be split into two or more separate plates, each comprising a slot arranged to receive a respective projection.
- the first frame member 108 comprises a lip 116 that runs around the periphery of the slot 114.
- the first fastening member 106 comprises a projection 118 which extends from the body of the window 104 as shown in Figure 2b .
- the projection has a generally cylindrical shape, but in other embodiments may be any other suitable shape, such as a cuboid.
- the projection 118 comprises an upstanding wall that extends away from the window 102.
- the projection 118 comprises an engagement portion 120 which extends outwards around an end of the projection 118 opposite the point where it is attached to the window 102.
- the engagement portion 120 forms a shoulder around the upstanding wall of the projection 118.
- the engagement portion 120 is arranged to engage with the lip 116 to fasten the window in the frame, e.g. the lip 116 forms a rail around the periphery of the slot which engages with the engagement portion 120.
- the projection 118 and slot 114 therefore form interlocking male and female parts which when engaged resist being separated to prevent the window 102 being opened.
- the slot 114 and the projection 118 may have a different shape to that described, but will still provide the same function so long as the projection 118 is shaped in such a way as to engage with the slot 114.
- the engagement portion may comprise a recessed portion of the projection 118 arranged to engage with the lip 116.
- the frame member 106 may instead comprise a projection and the fastening member may comprise a slot arranged to receive and engage with the projection.
- the open position of the window is shown in Figures 2a and 2b .
- the first frame member 108 and the first fastening member 106 are spaced apart in a direction indicated by the arrow marked X and also in the direction marked Y in the figures.
- the window is closed (i.e. pushed or hinged towards the frame 104) the first fastening member 106 is moved towards the first frame member 108 in the X direction.
- the closed position of the window is shown in Figures 2c-2f . In this position the window has been pushed shut so that it is received in the frame, but is not yet fastened to the frame.
- the first fastening member 106 is moved so that it is aligned with the first frame member 108 (i.e. the engagement portion 120 is aligned with the lip 116 in the X direction).
- a known, prior art, sensor would detect that in this position the window is closed, but would not be concerned with determining that the window is not yet fastened into the frame. In this invention however, advantageously it is determined whether there is an engagement between the first fastening member 106 and the first frame member 108, thereby determining when the window is actually secured in the frame.
- FIGs 2e-2j The process of fastening the window 102 into the frame 104 is shown in Figures 2e-2j .
- the first fastening member 106 is moved towards the first frame member 108 in the direction of the arrow marked Y in the Figures. This motion is caused by the operation of the actuator to fasten the window 102 into the frame 104.
- Figures 2e and 2f show the first fastening member 106 moved partly towards the first frame member, but in a position where there is yet any engagement and so this pair is still in the unfastened position.
- Figures 2g and 2h show the first frame member 108 and the first fastening members in the fastened position.
- the projection 118 has entered the open end portion 114a of the slot 114 and the engagement portion 120 is engaged with the lip 116.
- this corresponds to an actuator in the form of a handle having been rotated through only part of its range of motion.
- the first fastening member 106 and the first frame member 108 resist movement apart in the X direction and so the window 102 cannot be separated from the frame 104.
- the first fastening member 106 continues to move in the Y direction such that the projection 118 continues to move further into the slot 114. This movement continues until the projection is fully received into the slot and reaches the end portion 114b of the slot 114 as shown in Figure 2i and 2j . In this position the first fastening member 106 and the first frame member 108 are fully engaged. In some embodiments this corresponds to an actuator in the form of a handle having been rotated through substantially all of its range of movement, which in some embodiments may be approximately 90 degrees from its starting position. In this position, the window 102 is even more securely fastened into the frame 104 because the projection has moved all of the way down the slot.
- the lip 116 comprises an insulating member 122 arranged to electrically insulate the first frame member 108 from the first fastening member 106 until the first fastening member 106 has moved so that it is fully received by the slot.
- the insulating member 112 comprises an electrically insulating material covering the lip 116 at the open end portion of the slot 114 and extending along the lip 116 towards the closed end portion of the slot 114.
- the insulating material is arranged to create an electrical contact between the first frame member 108 and the first fastening member 106 only when the projection 118 is fully received in the slot 114 (e.g. when the projection 118 reaches, and contacts, the end portion B) as shown in Figure 2i and 2j .
- the senor 110 is able to determine when there is a very firm engagement between the slot 114 and the projection 118 and so the sensor can determine that the window 102 is securely fastened into the frame 104.
- the sensor 110 is arranged to detect when the first fastening member 106 first makes contact with the first frame member 108. In this case, there is still engagement between the slot 114 and the projection 118 to fasten the window 102 into the frame 104.
- Figure 3 shows a window assembly 200 having a window 203 received by a frame 204 as in the embodiment described above.
- the window assembly 200 similarly comprises a fastening mechanism having a first fastening member 206 that is provided on the window 202, and a first frame member 208 that is provided on the frame 204.
- the first fastening member 206 is moveable between an unfastened position and a fastened position in which it is arranged to engage with the first frame member 208. When the first fastening member 206 is in the fastened position, the window 202 is fastened into the frame.
- the window assembly 200 of this arrangement comprises a sensor 210 arranged to detect when the first fastening member 206 is in the fastened position and engaged with the first frame member 208.
- the sensor 210 does not rely on an electrical connection between the first fastening member 206 and the first frame member 208 as in the embodiment described above.
- the sensor instead relies on a switch (e.g. a mechanical switch) located within the first frame member 208 as described below.
- the fastening mechanism of the alternative arrangement is shown in detail in Figures 4a-4j .
- the first frame member 208 and first fastening member 206 have corresponding features to those of the first frame member 108 and first fastening member 106 as described above. Features that are common to both embodiments and arrangements have been labelled accordingly in Figure 4 .
- the first frame member 208 does not include the insulating member 122 because the control of an electrical contact is not required in this embodiment.
- FIG. 3 and 4 differs from that of Figures 1 and 2 by the inclusion of a switch 230 in the first frame member 208.
- the switch 230 comprises an actuator 232 in the form of a plunger.
- the switch may be in the form of a rocker switch or the like.
- the switch is arranged to detect when the first fastening member 206 is in the fastened position and engaged with the first frame member 208. As shown in Figures 4g-4j , the switch is moved from an open position to a closed position by the action of the projection 118 moving in the slot 114. In Figure 4g and 4h the projection 118 has entered the slot 114, but has not yet made contact with the switch actuator 232.
- the projection 118 makes contact with the actuator 232 and moves the switch 230 from the open to the closed position.
- the actuator 232 is only actuated when the projection has reached the end portion 114b of the slot 114. This therefore provides an indication that the projection has reached the end portion of the slot 114 and therefore indicates that the first fastening member 208 is fully received in the slot 114.
- the location of the switch actuator in this way therefore serves the same function as the insulating material 122 of the embodiment described in Figure 2 - it enables the sensor 210 to determine when the first fastening member 208 is fully received in the slot 114 and the window 204 is firmly fastened into the frame 202.
- the switch 230 may be positioned in a different location in the slot 114 to provide an earlier indication of when the first fastening member 208 is engaged with the first frame member 206.
- the actuator may for example be located approximately half way along the slot 114 or at the open portion of the slot 114a.
- the switch may move along a different axis to that shown in Figure 4 , e.g. the switch may move along an axis in the X direction.
- the switch may comprise a sloped actuator extending into the slot 114 which is activated when the projection 118 moves into the slot.
- the switch 230 is in the form of a micro-switch that is disposed within the body of the first frame member 208.
- the body of the first frame member 208 is provided with a hollowed-out portion (shown by the broken lines in Figure 4 ) to provide an aperture in which to house the micro-switch.
- the sensor 210 may be connected to the switch 230 by one or more electrically conducting elements, such as a wire. As with the embodiment described in Figure 1 and 2 , the wire may be hidden in the body of the frame 102 so that they are not accessible or visible to the user.
- a window assembly 300 according to a second aspect of the present invention is shown in Figure 5 .
- the window assembly 300 has similar components to that of the window assembly 100 in Figure 1 .
- the window assembly 300 differs from that of Figure 1 by having both a first window 302a and a second window 302b which are both received by the frame 304.
- a third window 302c is included in the frame.
- This window is not arranged to be openable and so does not include a fastening mechanism in order to fasten it into the frame, but is instead permanently fixed to the frame 302. In other embodiments there may be more than two openable windows received in the frame 302 and any number of non-openable windows.
- the first window 302a comprises a first fastening mechanism and the second window comprises a second fastening mechanism which operates independently of the first.
- Each of the first and second fastening mechanisms comprises the same components as mentioned in relation to the embodiment described in Figure 1 .
- the first fastening mechanism comprises a first fastening member 306a on the first window 302a moveable between an unfastened position and a fastened position. In the fastened position, the first fastening member 306a of the first fastening mechanism is arranged to engage with a respective first frame member 308a on the frame 304 to fasten the first window 302a in the frame 304.
- the first fastening mechanism further comprises a second fastening member 307a on the first window 102a moveable between an unfastened position and a fastened position.
- the second fastening member 307a of the first fastening mechanism is arranged to engage with a respective second frame member 309a on the frame 304 to fasten the first window 302a in the frame 304.
- the first fastening mechanism is operated by a first actuator 305a.
- the second fastening mechanism comprises a first fastening member 306b on the second window 302b moveable between an unfastened position and a fastened position.
- the first fastening member 306b of the second fastening mechanism is arranged to engage with a respective first frame member 308b on the frame 304 to fasten the second window 302b in the frame 304.
- the second fastening mechanism further comprises a second fastening member 307b on the second window 102a moveable between an unfastened position and a fastened position.
- the second fastening member 307b of the second fastening mechanism is arranged to engage with a respective second frame member 309b on the frame 304 to fasten the second window 302a in the frame 304.
- the second fastening mechanism is operated by a second actuator 305b.
- first and second fastening mechanisms are arranged to operate independently of each other, but in other embodiments they may be operated by a single actuator.
- the window assembly 300 comprises a sensor arranged to detect when both of the first fastening members 306a, 306b and second fastening members 307a, 307b are in the fastened position and engaged with each of the respective first frame members 308a, 308b, 309a, 309b.
- the first fastening member 306a, 306b is electrically connected to the second fastening member 307a, 307b.
- this connection is provided by a linkage arranged to move the fastening members 306a, 306b, 307a, 307b of each fastening mechanism conjointly, or is provided by an electrically conducting element, such as a wire, connecting the first fastening members 306a, 306b to the second fastening members 307a, 307b.
- a further electrical connection is provided between the first frame member 308a of the first fastening mechanism and the first frame member 308b of the second fastening mechanism as again shown by the broken line connecting them in Figure 5 .
- This electrical connection can again be provided by an electrically conducting element such as a wire. As with previously described embodiments, any such wire may be hidden in the body, or on the surface, of the frame 304.
- first and second frame members 306a, 307a of the first fastening mechanism are electrically isolated when the first, the second, or both of the first and second fastening members 306a, 307b of the first fastening mechanism are in the unfastened position.
- first and second frame members 306b, 307b of the second fastening mechanism are electrically isolated when the first, the second, or both of the first and second fastening members 306b, 307b of the second fastening mechanism are in the unfastened position.
- a sensor 310 is arranged to detect whether there is an electrical connection between the second frame member 309a of the first fastening mechanism and the second frame member 309b of the second fastening mechanism.
- the sensor 310 is therefore arranged to determine that both of the fastening members of both the first and second fastening mechanisms are engaged and both of the first and second windows 302a, 302b are fastened in the frame 304.
- a single sensor is therefore able to determine the state of both windows and an indication is only provided when all of the fastening members have been engaged.
- the sensor 310 may comprise an electrically conducting element connecting the sensor 310 to the second frame member 309a of the first fastening mechanism and electrically conducting element connecting the sensor 310 to the second frame member 309b of the second fastening mechanism.
- the electrically conducting elements may be wires. Each of these wires may be arranged within a body of the frame 302 so that they are not accessible or visible during use.
- the sensor 310 may also be arranged within the body of the frame so that it is not visible or accessible to the user.
- FIG. 6 Another described arrangement of a window assembly 400 is shown in Figure 6 .
- the frame 404 comprises a first window 402a and a second window 403b each having a separate fastening mechanism.
- the first fastening mechanism comprises a first fastening member 406a and a first frame member 408a.
- the second fastening mechanism comprises a first fastening member 406b and a first frame member 408b.
- a first switch is provided at the first frame member 408a of the first fastening mechanism. The switch has a closed position when the first frame member 408a and the first fastening member 406a of the first fastening mechanism are engaged.
- the switch has an open position when the first frame member 408a and the first fastening member 406a of the first fastening mechanism are not engaged.
- a similar switch is provided at the first frame member 408b of the second fastening mechanism.
- This second switch similarly has a closed position when the first frame member 408b and the first fastening member 408b of the second fastening mechanism are engaged. It also has an open position when the first frame member 408b and the first fastening member 406b of the second fastening mechanism are not engaged.
- the first and second switches provided at the first and second fastening mechanisms operate in the same manner as that described in the arrangement of Figure 3 and 4 . All of the features and modifications relating to that embodiment apply equally to the arrangement of Figure 6 .
- a sensor 410 is arranged to determine when both switches are in the closed position, thus determining that both the first and second window 402a, 402b are secured in the frame 404. This allows the sensor to provide an alert when either of the windows 402a, 402b are not secured in the frame 404 and they window assemble 400 is not secured.
- the senor is further arranged to communicate the determination of whether either the window of Figure 1 or 3 , or the first and second windows of Figure 5 or 6 , are secured in the frame, to a processing unit.
- the processing unit is arranged to provide an indication that the windows or doors are, or are not, secured in their respective frame.
- the communication may be provided by a wireless transceiver provided at the sensor.
- the processing unit may be part of a security system or heating control system that is arranged to manage the security system or heating system in the building in which the window assembly is installed.
- a sensor according to this invention may be provided at each window or door assembly of a building, with each sensor arranged to communicate the state of the window or door to the processing unit.
- the processing unit is therefore able to centrally determine whether all of the windows or doors in the building are not only closed, but are also secured to their respective frame.
- the processing unit may provide an indication such as a visual or audible signal or alarm to indicate that one or more of the windows is not secured in the frame. This advantageously allows the user to determine the state of all of the window or doors in a building from one indicator. The user may for example be alerted by the visual or audible signal that one of the doors or windows has not been secured, rather than having to check all of the windows and doors individually.
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Burglar Alarm Systems (AREA)
Description
- This invention relates to a door or window assembly, a security method and a method of making a door or window assembly.
- It is known to provide a sensor on a door or window to detect when the door or window is closed. Such a sensor can be part of an alarm system in which the alarm will be set off if the door or window is opened. Such a sensor may comprise a magnetic strip attached to the door or window and a magnetic sensor fitted to the frame. The sensor is arranged to detect when the magnetic strip and sensor are in close proximity, thus determining that the door or window is closed. Such a sensor is however only capable of detecting if the door or window is closed - i.e. it is not able to detect that the door or window has been secured in the frame by the activation of a fastening mechanism.
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DE8606091U andDE167404C disclose a sensor for a lock in which the sensor uses a mechanical switch to determine whether a fastening member of the lock is secure. Aspects of the present invention are recited by the appended claims. - According to a first aspect of the invention, there is provided a door or window assembly comprising: a door or window; a frame arranged to receive the door or window; a sensor; and a fastening mechanism, the fastening mechanism comprising:a first fastening member on the door or window and a second fastening member on the door or window, wherein the first fastening member and the second fastening member are each moveable between an unfastened position and a fastened position, in which the first fastening member is arranged to engage with a first frame member on the frame to fasten the door or window in the frame and the second fastening member is arranged to engage with a second frame member on the frame to fasten the door or window in the frame, wherein the first and second fastening members are electrically connected; the first and second frame members are electrically connected via the first fastening member and the second fastening member when both the first and second fastening members are in the fastened position and engaged with the respective one of the first and second frame members; and otherwise the first and second frame members are electrically isolatedwherein the sensor is arranged to detect when the first fastening member is in the fastened position and engaged with the first frame member, and whether there is an electrical connection between the first frame member and the second frame member via the first fastening member and the second fastening member.
- This arrangement detects when a door or window is fastened in its frame by detecting when the first fastening member is in the fastened position and engaged with the first frame member. This provides an advantage over the prior art which only detects when the door or window is closed (e.g. it has been pushed into the frame) but cannot determine whether the door or window is fastened into the frame
- (e.g. it is effectively locked). This is an important security consideration - the sensor of this invention is able to determine when the door or window is fastened in the frame and therefore held securely in place to prevent it being opened from the outside. This is not achieved by known sensors, which detect only that the door or window is pushed into the frame, but which may still not be fastened into the frame, so can still be opened from the outside. The sensor of this invention is suited to doors and windows which have a fastening mechanism which must be moved from an unfastened position to a fastened position by an actuator, such as a handle lever or button, operated by the user. The user may therefore push the door or window into the frame but forget to move the actuator to fasten the door or window into the frame so that it is secure. In such a position, a typical, known sensor would still sense that the door or window is closed, whereas the sensor of this invention would sense that the door or window is not fastened into the frame and conclude that the assembly is not secure.
- The arrangement according to the invention advantageously requires detecting an electrical connection between the frame members via the fastening members. Such a connection can be used to indicate that the fastening members and frame members are fastened and engaged. This is advantageous because the fastening members positioned on the door or window must be allowed to move with respect to the frame when the door or window is closed. The inventor has realised that a typical door or window has two fastening members that are electrically connected via a mechanism that moves when an actuator (e.g. a handle) is moved by the user. Typically, the fastening members may be both connected to a single actuator so that they are moved in tandem to engage with the frame members to fasten the door or window in the frame. By making use of this existing electrical connection, the sensor of this invention requires only electrical connections to be made to components already attached to the frame. Optionally, such a system can be conveniently retro-fitted to an existing design of door or window frame and may be hidden within the body of the frame so that it is not visible during use.
- According to a second aspect of the invention, there is provided a door or window assembly comprising: a first door or window and a second door or window; and a frame arranged to receive the first door or window and the second door or window, and wherein the first and the second door or window each comprises a fastening mechanism as defined above, and wherein the first frame members of the fastening mechanisms are electrically connected, and wherein the sensor is arranged to detect whether there is an electrical connection between the second frame members of the fastening mechanisms.
- This advantageously allows the sensor to detect when both windows and doors of an assembly are secured in the frame.
- According to a third aspect of the invention, there is provided a security method for detecting whether in the door or window assembly of this invention, a door or window is secured in its frame. The method comprises detecting whether the first fastening member is in the fastened position and engaged with the first frame member.
- This advantageously provides a security method in which it is determined whether a door or window is actually secured in its frame, rather than only received by the frame.
- According to a fourth aspect of the invention, there is provided a method of making a door or window assembly, the method comprising fitting a sensor to an existing door or window assembly to provide the door or window of the present invention.
- This advantageously allows a door or window assembly to be provided by retro-fitting a sensor to an existing door or window assembly.
- Embodiments of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which:
-
Figure 1a shows a window assembly according to an embodiment; -
Figure 1b shows a detailed side view of the window of the window assembly shown inFigure 1a ; -
Figures 2a to 2j show a close-up view of part of a fastening mechanism of the window assembly ofFigure 1a during closing and fastening of the window. -
Figure 3 shows a window assembly according to an arrangement; -
Figures 4a to 4j show a close-up view of part of the fastening mechanism of window assembly ofFigure 3 during closing and fastening of the window. -
Figure 5 shows a window or door assembly according to an arrangement; and -
Figure 6 shows a window or door assembly according to an arrangement. - A
window assembly 100 according to a first embodiment of the invention is shown inFigure 1 . This invention applies to a door or window or another similar closure means such as a hatch, trap door or the like. Any features described in the following description in relation to one closure means such as a window, can be equally applied to a door or any other closure means. - The
window assembly 100 comprises awindow 102 which is arranged to be received by aframe 104. Such a window can be installed in a building as is well known in the art. In the embodiment shown inFigure 1 , thewindow 102 is hinged along one side such that it can move between a closed position in which it is received by the frame and an open position where it is not received by the frame. In this example, in the open position, thewindow 102 is angled with respect to the frame. In other embodiments thewindow 102 may be hinged on a different side to that shown inFigure 1 . In yet other embodiments, the window may be pivotally connected on more than one of its sides, such that it can move in the same plane as theframe 104 into the open position. - The
window assembly 100 further comprises a first fastening mechanism arranged to fasten the window in theframe 102. Thewindow 102 is arranged such that it may be moved into a closed position where it is received by the frame, but in this closed position it is not fastened to the frame to prevent it being opened from the outside. Thewindow 102 may therefore be 'pushed closed', but not fastened into the frame. Once in the closed position, the fastening mechanism can be operated by the user to fasten or secure thewindow 102 into theframe 104. Advantageously, this invention provides improved security by identifying when the window is both in the closed position and fastened into the frame to prevent it from being easily opened from the outside. This is particularly important where the fastening mechanism is not activated automatically by the action of the window being closed. Typically, fastening mechanisms require the user to operate them (by operation of a lever, handle or button, for example) once the window has been closed in order to fasten the window into its frame. As the user may forget to do this, the window may inadvertently be left unsecured. This invention provides a sensor that not only determines whether the window is closed, but also that it has been fastened to the frame. The sensor is thus able to provide an alert the user if the window is not secure by providing a visual or audible indicator or alarm, for example, or may provide an alert to a computer in communication with the sensor. - The first fastening mechanism comprises a
first fastening member 106 mounted on thewindow 102 and afirst frame member 108 located on theframe 104. Thefirst fastening member 106 is moveable between an unfastened position and a fastened position in which it is arranged to engage with thefirst frame member 108. Thefirst fastening member 106 andfirst frame member 108 form a two part fastening mechanism. - When the
first fastening member 106 is in the fastened position and engaged with thefirst frame member 108, the window is fastened into theframe 104 and cannot easily be opened from the outside by an intruder. - The first fastening member may also be moved between the unfastened and the fastened position when the window is not received in the frame, i.e. the
window 102 is not in the closed position (e.g. the window is open such that the fastening member and frame member are not aligned with each other and therefore do not engage when in the fastened position). - The
window assembly 100 further comprises asensor 110 arranged to detect when the first fastening member is in the fastened position and engaged with the first frame member. When the first fasteningmember 106 and thefirst frame member 108 are engaged they are coupled to each other and are able to resist being pulled apart. Thesensor 110 is thus arranged to detect that the window is fastened into the frame and cannot easily be opened from the outside, rather than only pushed closed such that it can still be easily opened from the outside. This offers an advantage over known sensors, which are only able to detect that a window has been closed and are unable to detect whether the window has been securely fastened into the frame. - In the embodiment shown in
Figure 1 , the first fastening mechanism comprises asecond fastening member 107 and asecond frame member 109. In this embodiment the first fastening mechanism therefore comprises two frame member and fastening member pairs. This embodiment makes use of these pairs to determine whether the window is secured into the frame. Such components are common in window and door fastening mechanisms, thus allowing the sensor of the present invention to be fitted to existing windows and doors with few additional components or modifications. This optionally allows the sensor of this invention to be retro-fitted to existing window assemblies. Similarly to thefirst fastening member 106, thesecond fastening member 107 is located on thewindow 102 and is moveable between an unfastened position and a fastened position in which it is arranged to engage with thesecond frame member 109 on theframe 104. - As shown in
Figure 1 , the first andsecond frame members second fastening members window 102. In other embodiments, the first andsecond fastening members window 104, and in some embodiments may be located on opposite sides of the window to each other. In some embodiments, the first fastening mechanism may comprise two frame and fastening member pairs. In other embodiments, as shown inFigure 1 , the first fastening mechanism may further comprise a third fastening member and frame member pair to further secure thewindow 102 into theframe 104. In other embodiments, the first fastening mechanism may comprise any number of frame member and fastening member pairs. - The first and
second fastening members actuator 105. In the described embodiment, theactuator 105 is in the form of a handle, which can be rotated by a user. Such a handle is rotatable between a first position, in which the first andsecond fastening members second fastening members second fastening members single actuator 105 that is arranged to move both the first andsecond fastening members - The first and
second fastening members linkage 111. Thelinkage 111 is arranged to operatively couple theactuator 105 to bothframe members actuator 105 is operated by the user. Thelinkage 111 may comprise a rigid link, such as a plate or bar, connectingframe members actuator 105. In this embodiment, the first andsecond fastening members respective frame member linkage 111 may be connected to all of the pairs so that they move together and engage with each other at substantially the same time. - In other embodiments, a separate actuator is provided for each of the first fastening member and the second fastening member such that they can be moved independently of each other. In such an embodiment, there is an actuator for each pair of frame and fastening member (e.g. a first actuator for the
first fastening member 106 and thefirst frame member 108, and a second actuator for thesecond fastening member 107 and the second frame member 109) arranged to move the respective fastening member between the engaged and unfastened positions. In such an embodiment there may be no movable connection between the first 106 and the second 107 fastening members and they are instead moved by their respective individual actuators. In this embodiment therefore, the first and second fastening members (and any further fastening members that are present in some embodiments) may not be moved into engagement at the same time, but instead may be moved one at a time, or two at a time, for example. - In order to detect whether the
first fastening member 106 is in the fastened position and engaged with thefirst frame member 108 the sensor of this invention makes use of the electrical connection that is created between thefastening members frame members frame members fastening members second fastening members linkage 111. As in this embodiment, thelinkage 111 comprises an electrically conducting material there is a permanent electrical connection between the first andsecond fastening members second fastening members - In embodiments where there is no pre-existing electrical connection between the first and
second fastening members 106, 107 (because for example, thelinkage 111 is made from electrically insulating components, or the window is provided with separate actuators that move the first andsecond fastening members fastening members - The first and
second frame members first fastening member 106 and thesecond fastening member 107 when both the first andsecond fastening members fastening members second frame member first fastening member 106 is in the unfastened position, there is no electrical connection between thefirst frame member 108 and thefirst fastening member 106 because there is no physical contact between them. This means that there is no completed electrical circuit between thefirst frame member 108 and thesecond frame member 109 via the electrical connection between thefirst fastening member 106 and thesecond fastening member 107. The circuit is broken at the point between thefirst frame member 108 and thefirst fastening member 106 because they are not engaged. Similarly, when thesecond fastening member 107 is in the unfastened position, there is no complete electrical circuit between thefirst frame member 108 and thesecond frame member 109 via the electrical connection between thefirst fastening member 106 and thesecond fastening member 107. In this case the circuit is broken between thesecond frame member 109 andsecond fastening member 107. When both of the first and thesecond fastening members first frame member 108 and thesecond frame member 109 via the electrical connection between thefirst fastening member 106 and thesecond fastening member 107. - Only when both of the
fastening members frame members first frame member 108 and thesecond frame member 109 completed. Thesensor 110 is arranged to detect the completion of this electrical circuit (e.g. to detect an electrical connection between thefirst frame member 108 and thesecond frame member 109, via thefirst fastening member 106, thelinkage 111 and the second engagement member 107). This advantageously provides a sensor to detect when the window is fastened in the frame, rather than simply when the window is closed, but the fastening mechanism has not been engaged. - In the described embodiment, the
frame 104 comprises an electrically insulating material (e.g. PTFE etc) and so there is no electrical connection between theframe members second frame members frame member - A second electrically conducting element may be arranged to electrically connect the
first frame member 108 to thesensor 110 and a second electrically conducting element may be arranged to connect thesecond frame member 109 to the sensor 110 (as indicated by the broken lines inFigure 1a ). In some embodiments, each of the second and third electrically conducting elements may comprise wires which may be arranged within a body of the frame so that they are not accessible, exposed or visible to the user once thesensor 110 has been installed. As the frame of a window is typically hollow or contains internal channels, the electrically conducting wires can be hidden inside the frame by drilling holes into the frame and inserting the wires from the outside. In other embodiments, the electrically conducting wires may be fixed to the surface of theframe 102 and hidden by a sealant material applied to the frame. - Close up views of the fastening mechanism during the process of closing and fastening the
window 102 into theframe 104 are shown inFigures 2a-2j. Figures 2a, 2c, 2e, 2g and 2i show a side view of the fastening mechanism andFigures 2b, 2d, 2f, 2h and 2j show a top view of the fastening mechanism. Although only thefirst frame member 108 and thefirst fastening member 106 are shown, it is to be understood that thesecond frame member 109 and second fastening member 107 (or any additional pairs of fastening members and frame members provided on the window) may be the same. - As can be seen in the side view of
Figure 2a , thefirst frame member 108 comprises aplate 112 which is fixed to theframe 104 using a suitable fixing means such as screw or bolts. Theplate 112 comprises an electrically conducting material. Theplate 112 comprises aslot 114 which extends from one edge of theplate 112 into the body of theplate 112. Theslot 114 has anopen end 114a and aclosed end 114b and comprises an open end portion (labelled A inFigure 2 ) extending from theopen end 114a, and a closed end portion (labelled B) at or near theclosed end 114b. In some embodiments, there may be two or more slots in theplate 112 arranged to each receive a separate part of the fastening member (e.g. aseparate projection 118 as described later). In other embodiments, the plate may be split into two or more separate plates, each comprising a slot arranged to receive a respective projection. - As can be seen in the top view shown in
Figure 2b , thefirst frame member 108 comprises alip 116 that runs around the periphery of theslot 114. Thefirst fastening member 106 comprises aprojection 118 which extends from the body of thewindow 104 as shown inFigure 2b . In this embodiment, the projection has a generally cylindrical shape, but in other embodiments may be any other suitable shape, such as a cuboid. Theprojection 118 comprises an upstanding wall that extends away from thewindow 102. Theprojection 118 comprises anengagement portion 120 which extends outwards around an end of theprojection 118 opposite the point where it is attached to thewindow 102. Theengagement portion 120 forms a shoulder around the upstanding wall of theprojection 118. Theengagement portion 120 is arranged to engage with thelip 116 to fasten the window in the frame, e.g. thelip 116 forms a rail around the periphery of the slot which engages with theengagement portion 120. Theprojection 118 and slot 114 therefore form interlocking male and female parts which when engaged resist being separated to prevent thewindow 102 being opened. In other embodiments, theslot 114 and theprojection 118 may have a different shape to that described, but will still provide the same function so long as theprojection 118 is shaped in such a way as to engage with theslot 114. For example, in some embodiments, the engagement portion may comprise a recessed portion of theprojection 118 arranged to engage with thelip 116. - In some embodiments, the
frame member 106 may instead comprise a projection and the fastening member may comprise a slot arranged to receive and engage with the projection. - The open position of the window is shown in
Figures 2a and 2b . When thewindow 102 is in the open position (i.e. not received by, or fastened to, the frame 104) thefirst frame member 108 and thefirst fastening member 106 are spaced apart in a direction indicated by the arrow marked X and also in the direction marked Y in the figures. As the window is closed (i.e. pushed or hinged towards the frame 104) thefirst fastening member 106 is moved towards thefirst frame member 108 in the X direction. The closed position of the window is shown inFigures 2c-2f . In this position the window has been pushed shut so that it is received in the frame, but is not yet fastened to the frame. Thefirst fastening member 106 is moved so that it is aligned with the first frame member 108 (i.e. theengagement portion 120 is aligned with thelip 116 in the X direction). A known, prior art, sensor would detect that in this position the window is closed, but would not be concerned with determining that the window is not yet fastened into the frame. In this invention however, advantageously it is determined whether there is an engagement between thefirst fastening member 106 and thefirst frame member 108, thereby determining when the window is actually secured in the frame. - The process of fastening the
window 102 into theframe 104 is shown inFigures 2e-2j . As can be seen inFigure 2e and 2f thefirst fastening member 106 is moved towards thefirst frame member 108 in the direction of the arrow marked Y in the Figures. This motion is caused by the operation of the actuator to fasten thewindow 102 into theframe 104.Figures 2e and 2f show thefirst fastening member 106 moved partly towards the first frame member, but in a position where there is yet any engagement and so this pair is still in the unfastened position. -
Figures 2g and 2h show thefirst frame member 108 and the first fastening members in the fastened position. In this position theprojection 118 has entered theopen end portion 114a of theslot 114 and theengagement portion 120 is engaged with thelip 116. In some embodiments, this corresponds to an actuator in the form of a handle having been rotated through only part of its range of motion. In this position, thefirst fastening member 106 and thefirst frame member 108 resist movement apart in the X direction and so thewindow 102 cannot be separated from theframe 104. - As the user continues to operate the
actuator 105, thefirst fastening member 106 continues to move in the Y direction such that theprojection 118 continues to move further into theslot 114. This movement continues until the projection is fully received into the slot and reaches theend portion 114b of theslot 114 as shown inFigure 2i and 2j . In this position thefirst fastening member 106 and thefirst frame member 108 are fully engaged. In some embodiments this corresponds to an actuator in the form of a handle having been rotated through substantially all of its range of movement, which in some embodiments may be approximately 90 degrees from its starting position. In this position, thewindow 102 is even more securely fastened into theframe 104 because the projection has moved all of the way down the slot. - In the described embodiment, the
lip 116 comprises an insulating member 122 arranged to electrically insulate thefirst frame member 108 from thefirst fastening member 106 until thefirst fastening member 106 has moved so that it is fully received by the slot. The insulatingmember 112 comprises an electrically insulating material covering thelip 116 at the open end portion of theslot 114 and extending along thelip 116 towards the closed end portion of theslot 114. The insulating material is arranged to create an electrical contact between thefirst frame member 108 and thefirst fastening member 106 only when theprojection 118 is fully received in the slot 114 (e.g. when theprojection 118 reaches, and contacts, the end portion B) as shown inFigure 2i and 2j . This is advantageous because thesensor 110 is able to determine when there is a very firm engagement between theslot 114 and theprojection 118 and so the sensor can determine that thewindow 102 is securely fastened into theframe 104. In other embodiments, there may be no insulating material. In this case thesensor 110 is arranged to detect when thefirst fastening member 106 first makes contact with thefirst frame member 108. In this case, there is still engagement between theslot 114 and theprojection 118 to fasten thewindow 102 into theframe 104. - In order to unfasten and open the
window 102 the reverse of the process described above and shown inFigure 2 is carried out by the user. When the fastening mechanism is unfastened by operation of the actuator, theprojection 118 moves back out of the slot, in the opposite direction to that indicated by the arrow Y, until it is disengages from the slot. Once the projection is no longer in electrical contact with the slot (i.e. it is in contact only with the insulating material 122), the sensor determines that the fastening member is no longer in the fully engaged position. The projection is then moved in the opposite direction to the arrow X to open the window. - An alternative embodiment of the invention is shown in
Figures 3 and4 .Figure 3 shows awindow assembly 200 having a window 203 received by aframe 204 as in the embodiment described above. Thewindow assembly 200 similarly comprises a fastening mechanism having afirst fastening member 206 that is provided on thewindow 202, and afirst frame member 208 that is provided on theframe 204. Thefirst fastening member 206 is moveable between an unfastened position and a fastened position in which it is arranged to engage with thefirst frame member 208. When thefirst fastening member 206 is in the fastened position, thewindow 202 is fastened into the frame. - The
window assembly 200 of this arrangement comprises asensor 210 arranged to detect when thefirst fastening member 206 is in the fastened position and engaged with thefirst frame member 208. In this alternative embodiment, thesensor 210 does not rely on an electrical connection between thefirst fastening member 206 and thefirst frame member 208 as in the embodiment described above. The sensor instead relies on a switch (e.g. a mechanical switch) located within thefirst frame member 208 as described below. - The fastening mechanism of the alternative arrangement is shown in detail in
Figures 4a-4j . Thefirst frame member 208 andfirst fastening member 206 have corresponding features to those of thefirst frame member 108 andfirst fastening member 106 as described above. Features that are common to both embodiments and arrangements have been labelled accordingly inFigure 4 . Thefirst frame member 208 does not include the insulating member 122 because the control of an electrical contact is not required in this embodiment. - The arrangement of
Figures 3 and4 differs from that ofFigures 1 and2 by the inclusion of aswitch 230 in thefirst frame member 208. In the described arrangement, theswitch 230 comprises anactuator 232 in the form of a plunger. In other arrangements the switch may be in the form of a rocker switch or the like. The switch is arranged to detect when thefirst fastening member 206 is in the fastened position and engaged with thefirst frame member 208. As shown inFigures 4g-4j , the switch is moved from an open position to a closed position by the action of theprojection 118 moving in theslot 114. InFigure 4g and 4h theprojection 118 has entered theslot 114, but has not yet made contact with theswitch actuator 232. As the projection moves down the slot during the process of fastening the window into the frame as described above, theprojection 118 makes contact with theactuator 232 and moves theswitch 230 from the open to the closed position. As the switch is located in theend portion 114b of theslot 114, theactuator 232 is only actuated when the projection has reached theend portion 114b of theslot 114. This therefore provides an indication that the projection has reached the end portion of theslot 114 and therefore indicates that thefirst fastening member 208 is fully received in theslot 114. The location of the switch actuator in this way therefore serves the same function as the insulating material 122 of the embodiment described inFigure 2 - it enables thesensor 210 to determine when thefirst fastening member 208 is fully received in theslot 114 and thewindow 204 is firmly fastened into theframe 202. - In other arrangements, the
switch 230 may be positioned in a different location in theslot 114 to provide an earlier indication of when thefirst fastening member 208 is engaged with thefirst frame member 206. The actuator may for example be located approximately half way along theslot 114 or at the open portion of theslot 114a. In some arrangements, the switch may move along a different axis to that shown inFigure 4 , e.g. the switch may move along an axis in the X direction. In this embodiment, the switch may comprise a sloped actuator extending into theslot 114 which is activated when theprojection 118 moves into the slot. - In the arrangement shown in
Figure 4 , theswitch 230 is in the form of a micro-switch that is disposed within the body of thefirst frame member 208. In this embodiment, the body of thefirst frame member 208 is provided with a hollowed-out portion (shown by the broken lines inFigure 4 ) to provide an aperture in which to house the micro-switch. Thesensor 210 may be connected to theswitch 230 by one or more electrically conducting elements, such as a wire. As with the embodiment described inFigure 1 and2 , the wire may be hidden in the body of theframe 102 so that they are not accessible or visible to the user. - A
window assembly 300 according to a second aspect of the present invention is shown inFigure 5 . Thewindow assembly 300 has similar components to that of thewindow assembly 100 inFigure 1 . Thewindow assembly 300 differs from that ofFigure 1 by having both afirst window 302a and asecond window 302b which are both received by theframe 304. In this embodiment, athird window 302c is included in the frame. This window is not arranged to be openable and so does not include a fastening mechanism in order to fasten it into the frame, but is instead permanently fixed to the frame 302. In other embodiments there may be more than two openable windows received in the frame 302 and any number of non-openable windows. - The
first window 302a comprises a first fastening mechanism and the second window comprises a second fastening mechanism which operates independently of the first. Each of the first and second fastening mechanisms comprises the same components as mentioned in relation to the embodiment described inFigure 1 . In particular, the first fastening mechanism comprises afirst fastening member 306a on thefirst window 302a moveable between an unfastened position and a fastened position. In the fastened position, thefirst fastening member 306a of the first fastening mechanism is arranged to engage with a respectivefirst frame member 308a on theframe 304 to fasten thefirst window 302a in theframe 304. The first fastening mechanism further comprises asecond fastening member 307a on the first window 102a moveable between an unfastened position and a fastened position. In the fastened position, thesecond fastening member 307a of the first fastening mechanism is arranged to engage with a respectivesecond frame member 309a on theframe 304 to fasten thefirst window 302a in the frame 304.The first fastening mechanism is operated by afirst actuator 305a. - The second fastening mechanism comprises a
first fastening member 306b on thesecond window 302b moveable between an unfastened position and a fastened position. In the fastened position, thefirst fastening member 306b of the second fastening mechanism is arranged to engage with a respectivefirst frame member 308b on theframe 304 to fasten thesecond window 302b in theframe 304. The second fastening mechanism further comprises asecond fastening member 307b on the second window 102a moveable between an unfastened position and a fastened position. In the fastened position, thesecond fastening member 307b of the second fastening mechanism is arranged to engage with a respectivesecond frame member 309b on theframe 304 to fasten thesecond window 302a in theframe 304. The second fastening mechanism is operated by asecond actuator 305b. - In this embodiment, the first and second fastening mechanisms are arranged to operate independently of each other, but in other embodiments they may be operated by a single actuator. The
window assembly 300 comprises a sensor arranged to detect when both of thefirst fastening members second fastening members first frame members - As shown by the broken lines in
Figure 5 , in each of the first and second fastening mechanisms, thefirst fastening member second fastening member window assembly 100 described above, this connection is provided by a linkage arranged to move thefastening members first fastening members second fastening members first frame member 308a of the first fastening mechanism and thefirst frame member 308b of the second fastening mechanism as again shown by the broken line connecting them inFigure 5 . This electrical connection can again be provided by an electrically conducting element such as a wire. As with previously described embodiments, any such wire may be hidden in the body, or on the surface, of theframe 304. - As in the
window assembly 100 shown inFigure 1 , the first andsecond frame members second fastening members second frame members second fastening members - A
sensor 310 is arranged to detect whether there is an electrical connection between thesecond frame member 309a of the first fastening mechanism and thesecond frame member 309b of the second fastening mechanism. Thesensor 310 is therefore arranged to determine that both of the fastening members of both the first and second fastening mechanisms are engaged and both of the first andsecond windows frame 304. A single sensor is therefore able to determine the state of both windows and an indication is only provided when all of the fastening members have been engaged. Thesensor 310 may comprise an electrically conducting element connecting thesensor 310 to thesecond frame member 309a of the first fastening mechanism and electrically conducting element connecting thesensor 310 to thesecond frame member 309b of the second fastening mechanism. The electrically conducting elements may be wires. Each of these wires may be arranged within a body of the frame 302 so that they are not accessible or visible during use. Thesensor 310 may also be arranged within the body of the frame so that it is not visible or accessible to the user. - Another described arrangement of a
window assembly 400 is shown inFigure 6 . In this arrangement theframe 404 comprises afirst window 402a and a second window 403b each having a separate fastening mechanism. In this arrangement the first fastening mechanism comprises afirst fastening member 406a and afirst frame member 408a. The second fastening mechanism comprises afirst fastening member 406b and afirst frame member 408b. In this arrangement a first switch is provided at thefirst frame member 408a of the first fastening mechanism. The switch has a closed position when thefirst frame member 408a and thefirst fastening member 406a of the first fastening mechanism are engaged. The switch has an open position when thefirst frame member 408a and thefirst fastening member 406a of the first fastening mechanism are not engaged. A similar switch is provided at thefirst frame member 408b of the second fastening mechanism. This second switch similarly has a closed position when thefirst frame member 408b and thefirst fastening member 408b of the second fastening mechanism are engaged. It also has an open position when thefirst frame member 408b and thefirst fastening member 406b of the second fastening mechanism are not engaged. The first and second switches provided at the first and second fastening mechanisms operate in the same manner as that described in the arrangement ofFigure 3 and4 . All of the features and modifications relating to that embodiment apply equally to the arrangement ofFigure 6 . Asensor 410 is arranged to determine when both switches are in the closed position, thus determining that both the first andsecond window frame 404. This allows the sensor to provide an alert when either of thewindows frame 404 and they window assemble 400 is not secured. - In all of the previously described embodiments and arrangements, the sensor is further arranged to communicate the determination of whether either the window of
Figure 1 or3 , or the first and second windows ofFigure 5 or6 , are secured in the frame, to a processing unit. The processing unit is arranged to provide an indication that the windows or doors are, or are not, secured in their respective frame. The communication may be provided by a wireless transceiver provided at the sensor. In such an embodiment or arrangement, the processing unit may be part of a security system or heating control system that is arranged to manage the security system or heating system in the building in which the window assembly is installed. A sensor according to this invention may be provided at each window or door assembly of a building, with each sensor arranged to communicate the state of the window or door to the processing unit. The processing unit is therefore able to centrally determine whether all of the windows or doors in the building are not only closed, but are also secured to their respective frame. The processing unit may provide an indication such as a visual or audible signal or alarm to indicate that one or more of the windows is not secured in the frame. This advantageously allows the user to determine the state of all of the window or doors in a building from one indicator. The user may for example be alerted by the visual or audible signal that one of the doors or windows has not been secured, rather than having to check all of the windows and doors individually.
Claims (15)
- A door or window assembly (100, 200, 300, 400) comprising: a door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B); a frame (102, 104, 202, 204, 302, 304, 404) arranged to receive the door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B); a sensor (110, 210, 310, 410); and a fastening mechanism, the fastening mechanism comprising:a first fastening member (106, 206, 306A, 306B, 406A, 406B) on the door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B) and a second fastening member (107, 307A, 307B) on the door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B), wherein the first fastening member (106, 206, 306A, 306B, 406A, 406B) and the second fastening member (107, 307A, 307B) are each moveable between an unfastened position and a fastened position, in which the first fastening member (106, 206, 306A, 306B, 406A, 406B) is arranged to engage with a first frame member (108, 208, 308A, 308B, 408A, 408B) on the frame (102, 104, 202, 204, 302, 304, 404) to fasten the door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B) in the frame (102, 104, 202, 204, 302, 304, 404) and the second fastening member (107, 307A, 307B) is arranged to engage with a second frame member (109, 309A, 309B) on the frame (102, 104, 202, 204, 302, 304, 404) to fasten the door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B) in the frame (102, 104, 202, 204, 302, 304, 404),wherein the first and second fastening members (106, 107, 206, 306A, 306B, 307A, 307B, 406A, 406B) are electrically connected; the first and second fastening members (106, 107, 206, 306A, 306B, 307A, 307B, 406A, 406B) are electrically connected via the first fastening member (106, 206, 306A, 306B, 406A, 406B) and the second fastening member (107, 307A, 307B) when both the first and second fastening members (106, 306A, 306B, 307A) are in the fastened position and engaged with the respective one of the first and second frame members (106, 108, 306A, 306B, 308A); and otherwise the first and second frame members (106, 107, 206, 306A, 306B, 307A, 307B, 406A, 406B) are electrically isolatedwherein the sensor (110, 210, 310, 410) is arranged to detect when the first fastening member (106, 206, 306A, 306B, 406A, 406B) is in the fastened position and engaged with the first frame member (108, 208, 308A, 308B, 408A, 408B), and whether there is an electrical connection between the first frame member (108, 208, 308A, 308B, 408A, 408B) and the second frame member (109, 309A, 309B) via the first fastening member (106, 206, 306A, 306B, 406A, 406B) and the second fastening member (107, 307A, 307B).
- A door or window assembly (100, 200, 300, 400) comprising: a first door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B) and a second door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B); and a frame (102, 104, 202, 204, 302, 304, 404) arranged to receive the first door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B) and the second door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B), and a sensor (110, 210, 310, 410) as defined in claim 1, wherein the first and the second door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B) each comprises a fastening mechanism as defined in claim 1, and wherein the first frame members (106, 108, 306A, 306B, 308A) of the fastening mechanisms are electrically connected, and wherein the sensor (110, 210, 310, 410) is arranged to detect whether there is an electrical connection between the second frame members (106, 108, 306A, 306B, 308A) of the fastening mechanisms.
- A door or window assembly (100, 200, 300, 400) according to claim 1 or claim 2, comprising a respective electrically conducting element arranged to electrically connect the first fastening member (106, 206, 306A, 306B, 406A, 406B) to the second fastening member (107, 307A, 307B) in relation to the or each fastening mechanism.
- A door or window assembly (100, 200, 300, 400) according to claim 3, wherein the first and second fastening members (106, 306A, 306B, 307A) are arranged to move conjointly and the electrically conducting element comprises a linkage (11).
- A door or window assembly (100, 200, 300, 400) according to claim 3, wherein the first and second fastening members (106, 306A, 306B, 307A) are arranged to move independently, and the electrically conducting element comprises a wire.
- A door or window assembly (100, 200, 300, 400) according to any of claims 1 to 5, wherein: the frame (102, 104, 202, 204, 302, 304, 404) comprises an electrically insulating material (122); OR the frame (102, 104, 202, 204, 302, 304, 404) comprises an electrically conducting material and at least one of the first and second frame members (106, 108, 306A, 306B, 308A) in the or each door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B) comprises an insulating member (112, 122) arranged to electrically isolate the at least one of the first and second frame members (106, 108, 306A, 306B, 308A) from the frame (102, 104, 202, 204, 302, 304, 404) of the or each door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B).
- A door or window assembly (100, 200, 300, 400) according to any preceding claim, wherein the or each of the first fastening members (106, 306A, 306B, 307A), and the or each of the second fastening members (106, 306A, 306B, 307A) comprises a projection (118), and the or each of the first frame members (106, 108, 306A, 306B, 308A) and the or each of the second frame members (106, 108, 306A, 306B, 308A) comprises a slot (114) arranged to receive the projection (118), wherein the sensor (110, 210, 310, 410) is arranged to detect whether the projection (118) is substantially fully received by the slot (114).
- A door or window assembly (100, 200, 300, 400) according to claim 7, wherein the or each slot (114) has an open end and a closed end and comprises an open end portion (114a) extending from the open end, and a closed end portion (114b) at or near the closed end, and wherein the or each projection (118) is fully received in the respective slot (114) when it reaches the closed end portion (114b).
- A door or window assembly (100, 200, 300, 400) according to claim 8, wherein the or each slot (114) comprises an electrically insulating material (122) arranged to insulate the open end portion (114a).
- A door or window assembly (100, 200, 300, 400) according to any of claims 2 to 9 further comprising at least one electrically conducting element arranged to electrically connect the sensor (110, 210, 310, 410) and at least one of the frame members (106, 108, 306A, 306B, 308A), wherein the electrical element is arranged within a body of the frame (102, 104, 202, 204, 302, 304, 404).
- A door or window assembly (100, 200, 300, 400) according to any preceding claim, wherein: the sensor (110, 210, 310, 410) is arranged within the body of the frame (102, 104, 202, 204, 302, 304, 404); and/or the sensor (110, 210, 310, 410) is in communication with a processing unit arranged to process information from the sensor (110, 210, 310, 410) in order to determine whether the door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B) is secured in the frame (102, 104, 202, 204, 302, 304, 404).
- A door or window assembly (100, 200, 300, 400) according to any of claims 1 to 11, wherein the sensor (110, 210, 310, 410) is arranged to communicate the determination of whether either the window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B) or door of claim 1, or the first and second windows (302A, 402A) or doors of claim 2, are secured in the frame (102, 104, 202, 204, 302, 304, 404), to a processing unit, the processing unit being arranged to provide an indication that the windows (302A, 402A) or doors are, or are not, secured in the frame (102, 104, 202, 204, 302, 304, 404).
- A door or window assembly (100, 200, 300, 400) according to claim 11 or 12, wherein the processing unit and the detection unit are connected via a wireless connection.
- A security method for detecting whether in a door or window assembly (100, 200, 300, 400) according to any of claims 1 to 13, a door or window (102A, 102, 104, 202, 203, 204, 302A, 302B, 302C, 402A, 403B) is secured in its frame (102, 104, 202, 204, 302, 304, 404), the method comprising detecting whether the first fastening member (106, 206, 306A, 306B, 406A, 406B) is in the fastened position and engaged with the first frame member (108, 208, 308A, 308B, 408A, 408B) using the sensor (110, 210, 310, 410).
- method of making a door or window assembly (100, 200, 300, 400), the method comprising fitting a sensor (110, 210, 310, 410) to an existing door or window assembly (100, 200, 300, 400) having a first fastening member (106, 206, 306A, 306B, 406A, 406B) and a second fastening member (107, 307A, 307B) as defined in claim 1, to provide the door or window assembly (100, 200, 300, 400) of any of claims 1 to 13.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1501254.5A GB2534423B (en) | 2015-01-26 | 2015-01-26 | A door or window assembly, a security method and a method of making a door or window assembly |
PCT/GB2016/050159 WO2016120603A1 (en) | 2015-01-26 | 2016-01-26 | A door or window assembly, a security method and a method of making a door or window assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3250769A1 EP3250769A1 (en) | 2017-12-06 |
EP3250769B1 true EP3250769B1 (en) | 2019-06-26 |
Family
ID=52673924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16701877.9A Active EP3250769B1 (en) | 2015-01-26 | 2016-01-26 | A door or window assembly, a security method and a method for making a door or window assembly |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3250769B1 (en) |
CA (1) | CA3012424A1 (en) |
GB (1) | GB2534423B (en) |
WO (1) | WO2016120603A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3195098A2 (en) | 2014-07-21 | 2017-07-26 | Apple Inc. | Remote user interface |
DE102016125888A1 (en) * | 2016-12-29 | 2018-07-05 | SCHÃœCO International KG | Frame monitoring device for windows or doors and windows or door with frame monitoring device |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE167404C (en) * | ||||
FR354200A (en) * | 1905-05-09 | 1905-09-30 | Hinrich Peter Ipsen | Alarm device for door locks |
US1122010A (en) * | 1914-05-20 | 1914-12-22 | Albert J Franek | Lock circuit-closer. |
US1468321A (en) * | 1921-09-28 | 1923-09-18 | John F Newsom | Electric control system |
FR645938A (en) * | 1927-12-20 | 1928-11-05 | Electrical protection of premises against burglary | |
FR803059A (en) * | 1936-03-09 | 1936-09-22 | Electrical alarm device in case of break-in | |
US2615083A (en) * | 1946-09-21 | 1952-10-21 | Krueger August | Burglar alarm system |
US3147468A (en) * | 1962-07-24 | 1964-09-01 | Edward N Daniels | Alarm systems |
DE8606091U1 (en) * | 1986-03-06 | 1986-04-30 | Proxitronic Funk GmbH & Co KG, 6140 Bensheim | Locking device for windows |
DE29614141U1 (en) * | 1996-08-16 | 1996-10-10 | Beck, Günther, Dipl.-Ing. (FH), 88045 Friedrichshafen | Arrangement sensor for alarm system |
US7151449B2 (en) * | 2002-08-06 | 2006-12-19 | Major Monitors | Automatic lockset tamper detection device and method |
-
2015
- 2015-01-26 GB GB1501254.5A patent/GB2534423B/en not_active Expired - Fee Related
-
2016
- 2016-01-26 WO PCT/GB2016/050159 patent/WO2016120603A1/en active Application Filing
- 2016-01-26 CA CA3012424A patent/CA3012424A1/en not_active Abandoned
- 2016-01-26 EP EP16701877.9A patent/EP3250769B1/en active Active
Also Published As
Publication number | Publication date |
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GB2534423B (en) | 2018-06-20 |
WO2016120603A1 (en) | 2016-08-04 |
GB2534423A (en) | 2016-07-27 |
CA3012424A1 (en) | 2016-08-04 |
EP3250769A1 (en) | 2017-12-06 |
GB201501254D0 (en) | 2015-03-11 |
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