The present invention concerns an improved screen device with a power interrupt switch.

With motorised screen devices, the motor and/or the screen is often shielded by means of a housing or a protective casing against undesirable outside influences such as moisture, dirt, wind, rain, human intervention etc.

Document EP2354430A2 from prior art concerns a screen device, which comprises, a rolling up and a rolling down screen, a motor for the driving of the rolling up and the rolling down movement of the screen, a fastening body, to which the far end of the motor is attachable via a linear sliding movement, whereby said far end of the motor comprises a fastening head, which is attachable to the fastening body to attach the motor to the fastening body, an electric power supply cable comprising one or more electric wires, for the supply of electric power to and/or the earthing of one or more electric wires of the motor and an electrical coupling for the electrical connecting of the electric wires of the electric power supply cable to the electric wires of the motor. In the document mention is made of a housing to incorporate the motor.

A problem with the known screen devices is that by installation or replacement the various actions to be carried out are not user-friendly and unsafe. The assembling and disassembling also often involve complicated actions. This often causes much lost time, which as a consequence thereof leads to additional costs. The screen devices, which are often set up at a relatively high position, necessitate an effective, ergonomic, user-friendly, reliable, safe and fast way of installation or replacement.

Also when, for example, windows require to be washed and a screen device hangs in front of the window, it is possible that during the washing of the windows the screen makes an undesirable and unexpected movement, for example, when controlled by third parties or a sun-wind sensor, and through this endangers the window cleaner. The invention has as an advantage that the electric current can be switched off by the window cleaner during his/ her work.

The purpose of the present invention is to provide a user-friendly, ergonomic, effective, reliable, safe and fast way of installation or replacement of a motorised screen device. The invention is also purposed to provide an improved method for the installing or replacement of such motorised screen devices.

The invention concerns, in particular, a screen device, such comprised of a screen, a motor for the driving of the rolling up and the rolling down movement of the screen, which comprises one or more electric wires for an electric power supply and/or the earthing of the motor and which is connected to said screen, an electric power supply cable comprised of one or more electric wires for the supply of electrical power to and/or the earthing of the one or more electric wires of said motor, a housing, which comprises a fastening body and which shields said motor, said motor attached to said fastening body by means of an attachment head on the motor and a switch, which is provided with an on and off position, whereby in the on position electric power can be supplied to the motor via the electric power supply cable, whereby in the off position the electric power supply to the motor is interrupted, whereby said switch is situated near to the motor, the fastening body or the housing and whereby said switch is constructed to interrupt the electric power when accessing the motor.

This has as an advantage that the user can interrupt the electric power supply to the motor in a safe, easy and fast manner. In the event of the manual on and off switching of the electrical circuit by the installing of the motor, this presents an uncontrollable risk through the actions of third parties. If this switch is provided at a strategic location, then a user-friendly, reliable and fast switch off of the electric power supply can take place. Moreover, the actions of installation or replacement of the motor by the user occurs in a safer and thus less complicated manner since the electric power supply can be interrupted by means of a simple switching.

In a second aspect, the invention concerns a system, comprised of a screen, a motor for the driving of the rolling up and the rolling down movement of the screen, which comprises one or more electric wires for the electric power supply and/or the earthing of the motor, an electric power supply cable comprised of one or more electric wires for the supply of electrical power to and/or the earthing of the one or more electric wires of said motor, a housing, comprised of a fastening body and which is suitable to shield said motor, said fastening body suitable for the attachment of said motor and a switch, which is suitable to be situated near to the motor, the fastening body or the housing and which switch is constructed to interrupt the electric power when accessing the motor.

This system comprises the components of a device such as described in the first aspect of the invention. This comprises, among other things, the switch, through which the second aspect comprises the same advantages as that of the first aspect. In another aspect, the invention concerns a working method for the replacement of a motor in the screen device.

In another aspect, the invention concerns a working method for the removal of a motor in the screen device.
In another aspect, the invention concerns a working method for the installing of a motor in the screen device.
Further preferred forms are elaborated in the sub-claims.

• Figure 1: is a three-dimensional representation, in perspective, of a part of a screen device according to a preferred form of the invention, whereby the device is provided with a safety pin which prevents the housing from being opened.
• Figure 2: is a three-dimensional representation, in perspective, of a part of a screen device according to a preferred form of the invention, whereby the safety pin is pressed in.
• Figure 3: is a three-dimensional representation, in perspective, of a part of a screen device according to a preferred form of the invention, whereby the rotatable housing is opened.
• Figure 4: is a three-dimensional representation, in perspective, of a part of a screen device according to a preferred form of the invention, whereby the end piece for the motor is unscrewed.
• Figure 5: is a three-dimensional representation, in perspective, of a part of a screen device according to a preferred form of the invention, whereby the motor is slid out from the fastening body.
• Figure 6: is a three-dimensional representation, in perspective, of an end piece of a screen device according to a preferred form of the invention, whereby the end piece is in the on position.
• Figure 7: is a three-dimensional representation, in perspective, of an end piece of a screen device according to a preferred form of the invention, whereby the end piece is in the off position.
• Figure 8: is a representation, in side view, of a part of a screen device according to a preferred form of the invention, whereby the housing is closed.
• Figure 9: is a three-dimensional representation, in perspective, of a part of a screen device according to a preferred form of the invention, whereby the device is provided with a switch which is switched to the off position if the housing is opened.
• Figure 10: is a three-dimensional representation, in perspective, of a part of a screen device according to a preferred form of the invention, whereby the housing is opened.

In the first aspect, the invention concerns a screen device 1, comprised of a screen, a motor 3 for the driving of the rolling up and rolling down movement of the screen, which comprises one or more electric wires for the supply of electric power and/or the earthing of the motor 3 and which is connected to said screen, an electric power supply cable 5 which includes one or more electric wires for the supply of electric power to and/or the earthing of the one or more electric wires of said motor 3, a housing 12, which comprises a fastening body 4 and which shields said motor 3, said motor 3 attached to said fastening body 4 and a switch 40, whereby the switch 40 is provided with an on and off position, whereby in the on position electric power can be supplied to the motor 3 via the electric power supply cable 5, whereby in the off position the electric power supply to the motor 3 is interrupted, whereby said switch 40 is situated near to the motor 3, the fastening body 4 or the housing 12 and whereby said switch 40 is such constructed to interrupt the electric power when accessing the motor 3.

This has as advantage that the user can interrupt the electric power to the motor 3 in an easy, safe and fast manner. In the event of a manual switching on and off of an electric circuit by the installing of the motor 3, this presents an uncontrollable risk through the actions of third parties. If this switch 40 is provided at a strategic location, then a user-friendly, reliable and fast switch-off of the electric power supply can take place. Moreover, the actions of installation or replacement of the motor 3 by the user takes place in a safer manner since the electric power supply can be interrupted by means of a simple switching and can thus be interrupted in an uncomplicated manner. This also has as an advantage that a much greater degree of safety is achieved than, for example, the manually switching on and off of an electric circuit by the installing of the motor 3. In that said switch 40 is located near to the motor 3, the fastening body 4 or the housing 12, the installation or replacement of a motor 3 can take place without the undesirable influence of third parties. In this manner third parties have less of a possibility to unintentionally or mistakenly supply the motor 3 with electric power. The probability of electrocution or an accident through a becoming operational of the motor 3 greatly decreases. The switch 40 is also situated more conspicuously, which increases the safety for the fitter. Also, this offers the possibility for a fast, more ergonomically responsible and reliable installation or replacement of the motor 3.

The term "switch" in the present invention, among other things, refers to a pressure switch, foil push button, slide switch, rotary switch, toggle switch, touch switch, mercury switch or reed switch.

The term "motion switch" in the present invention refers to a switch 40 which in part comprises a mechanical component.

In a preferred form of a device according to the invention, said switch 40 is situated on, to and/or in, the housing 12.

In that said switch 40 is situated on, to and/or in the housing 12, the installation or replacement of a motor 3 or the screen or another component within the housing 12 of the screen device, can take place without the unwanted influence of third parties. Third parties still have a lesser possibility to mistakenly provide electric power to the motor 3. The probability of electrocution or an accident through a becoming operational of the motor 3 decreases. This also offers the possibility towards a faster, more economically responsible and reliable installation or replacement of the motor 3 or the screen or another component within the housing 12 of the screen device.

In a preferred form of a device according to the invention, said switch 40 is included in the path of the electric power supply cable 5.

This has as advantage that there is a greater certainty by an interruption of the electric power supply from the motor 3. An indirect connected switch 40 does not have this advantage. A safer installation or replacement is possible.

In a preferred form of a device according to the invention, said switch 40 concerns a motion switch and said switch 40 comprises a relocation element.

This has as advantage that a simple relocation of an element allows a faster installation or replacement of a motor 3.

In a preferred form of a device according to the invention, the switch 40 is controlled by a hinge moment in said housing 12.

This has as an advantage that a rotating movement of the housing 12 promotes the actions of an installation or replacement of the motor 3 in a practical and ergonomic manner.

In a preferred form of a device according to the invention, the motor 3 and/or the screen is removable from the housing 12.

This has as an advantage that a faster installation or replacement of the motor 3 is possible. The housing 12 can thus remain hung at the window or wall which allows a cheaper installation or replacement of a damaged or malfunctioning motor 3 or the replacement of a damaged screen. In a preferred form of a device according to the invention, the motor 3 is detachable if the switch 40 is in the off position.

This has as an advantage that the detachment of the motor 3 or replacement of a screen or another component within the housing 12 of the screen device can preferably only occur if the switch 40 is in the off position and thus the motor 3 is not supplied with electric power. The impossibility of the motor 3 coming into operation and the lesser probability of electrocution increases the degree of safety for the fitter or the person effecting the replacement.

In a preferred form of a device according to the invention, the switch 40 when in the on position blocks the opening of the housing 12.

This has as an advantage that the housing 12 cannot be opened if the electric power is not interrupted. This increases the degree of safety for the fitter or the person effecting the replacement.

In a preferred form of a device according to the invention, the switch 40 comprises a blocking element that blocks the removal of the motor 3 or the replacement of a screen, preferably fully blocks same, if the switch 40 is in the on position.

This has as an advantage that a detachment of the motor 3 or the replacement of a screen cannot occur if the motor 3 is supplied with electric power. This is mechanically blocked. The impossibility of the motor 3 coming into operation and the lesser probability of electrocution increases the degree of safety for the fitter or the person effecting the replacement.

In a preferred form of a device according to the invention, the switch 40 comprises a reed contact 23 and a relocation element, whereby the relocation element comprises a magnet 24.The term "reed contact" in the present invention refers to an electrical switch contact in a glass tubule, which tubule is filled with an inert gas, that is operated by a magnetic field, originating from a magnet.
The term "magnet" in the present invention refers to a permanent magnet or a coil through which a current flows.

This has as an advantage that no or hardly any sparks arise on switching. This increases the degree of safety for the fitter or the person effecting the replacement. There is less possibility towards the wear of the switch 40 in that the glass tubule of the reed contact is filled with an inert gas, so that the switching of currents does not, or hardly, affect the switch contacts of the reed contact.

In a preferred form of a device according to the invention, the attachment head 15 is provided with guiding ribs 9 and the fastening body 4 is provided with guiding slots 8, which are suitable to attach the motor 3 to the fastening body 4 perpendicular to its axis by means of a linear sliding movement.

This has as an advantage that this promotes the ergonomics for the installing or replacement of the motor 3 or the screen.

In a preferred form of a device according to the invention, the attachment head 15 is provided with at least one bore 11 which is suitable for taking up a fastening means 10 and whereby the attachment head 15 to which the motor 3 is attached by a fastening means 10 can be held fast to the fastening body 4 whereby the head of the fastening means 10 is shielded by the relocation element of the switch 40 if the switch 40 is in the on position and whereby the head of the fastening means 10 is not shielded by the relocation element of the switch 40 if the switch 40 is in the off position.

This has as an advantage that a detachment of the motor 3 or the replacement of a screen can occur if the motor 3 is supplied with electric power. The impossibility of the motor coming into operation 3 and the lesser probability of electrocution increases the degree of safety for the fitter or the person effecting the replacement.

The term "fastening means" in the present refers to a means which is suitable to connect at least two bodies to each other, such as a bolt or a screw.

In a second aspect, the invention concerns a system for the constructing of a device, comprising a screen, a motor 3 for the driving of the rolling up and rolling down movement of the screen, which comprises one or more electrical wires for the supply of electrical power and/or the earthing of the motor 3, an electric power supply cable 5 which comprises one or more electric wires for the supply of electrical power to and/or the earthing of the one or more electric wires of said motor 3, a housing 12, which comprises a fastening body 4 and which is suitable to shield said motor 3, said fastening body 4 suitable to which to attach the motor 3 and a switch 40, whereby the switch 40 is provided with an on position and an off position, whereby in the on position electric power can be supplied to the motor 3 via the electric power supply cable 5 and whereby in the off position the electric power supply to the motor 3 is interrupted.

In a third aspect, the invention concerns a working method for the replacement of a motor 3 of a device 1, comprising the following steps: the switching of the switch 40 to the off position, the opening of the housing 12, the removing of the fastening means 10 the removing of the motor 3, the attaching of a motor 3, the attaching of fastening means 10 which are suitable to attach the motor 3 to the fastening body 4, the closing of the housing 12 and the switching of the switch 40 to the on position.

This has as an advantage that the fitter can replace a defective or malfunctioning motor 3 with a new motor 3 in an easier, faster, user-friendly, more ergonomic and reliable manner.

In an another aspect, the invention concerns a working method for the removing of a motor 3 of a device 1, comprising the following steps: the switching of the switch 40 to the off position, the opening of the housing 12, the removing of the fastening means 10 which are suitable to attach the motor 3 to the fastening body 4, the removing of a motor 3, the closing of the housing 12 and the switching of the switch 40 to the on position.

This has as an advantage that the fitter can remove a motor 3 from the housing 12 in a safe, easier, faster, user-friendly, more ergonomic and reliable manner.

In another aspect, the invention concerns a working method for the installing of a motor 3 of a device 1, comprising the following steps: the switching of the switch 40 to the off position, the opening of the housing 12, the attaching of a motor 3, the attaching of fasteners 10 which are suitable to attach the motor 3 to the fastening body 4, the closing of the housing 12 and the switching of the switch 40 to the on position.

This has as an advantage that the fitter can install a motor 3 in the housing 12 in an easier, faster, user-friendly, more ergonomic, safe and reliable manner.

Figures 1 up to and including 7 show a three-dimensional representation, in perspective, of a part of a screen device 1 according to a preferred form of the invention. Figure 8 shows a representation, in side view, of a part of a screen device 1 according to a preferred form of the invention. Figure 1 shows a device 1 which is provided with a safety pin 20 which blocks the housing 12 from being opened. The housing 12 shields a motor 3 which is suitable for the driving of the rolling up and rolling down movement of a screen, which is connected to the motor 3. The housing 12 is provided with a cover housing 13 which is rotatable around a hinge 14. In the housing 12 there is an opening for an electric power supply cable 5 which is connected to the motor 3. The electric power supply cable 5 supplies the motor 3 with electric power. If this safety pin 20 is not pressed in, the cover housing 13 is blocked by the protruding safety pin 20 to rotate open around the hinge 14.

A safety pin 20, which is a relocation element, is part of a switch 40 provided with an on position and an off position, whereby in the on position current can be supplied to the motor 3 via the electric power supply cable 5 and whereby in the off position the electric power supply to the motor 3 is interrupted.

Figure 2 shows a part of a screen device 1 according to a preferred form of the invention, whereby the safety pin 20 is pressed in. The cover housing 13 is now no longer blocked to rotate open around the hinge 14.

Figure 3 shows a part of the screen device 1 whereby the rotatable housing 13 is opened and removed. The motor 3 is attached to the fastening body 4 by means of an attachment head 15, which is attached the housing 12. The fastening body 4 is provided with an end piece 21 which is provided with a switch 40 provided with a relocation element 20. The end piece 4 blocks the removing of the motor 3. If the safety pin 20 is pressed in, it is possible to screw-on or unscrew the motor 3 to or from the fastening body 4 by means of fastening means 10. The electric wires of the motor 3 are electrically connected with the electric wires of the electric power supply cable 5 by means of a male coupling piece 6 and a female coupling piece 7. The female coupling piece 7 is attached to the fastening body 4 and the male coupling piece 6 is attached to the motor 3. These coupling pieces are suitable to be electrically coupled via a linear sliding movement.

Figure 4 shows a part of a screen device according to a preferred form of the invention, whereby the end piece 21 for the motor 3 is unscrewed. The end piece 21 is provided with an electric power cable 22 which is electrically coupled with the electric power supply cable 5. The motor 3 is provided with an attachment head 15 which is suitable to attach the motor 3 to the fastening body 4, which is attached to the housing 12. The fastening body 4 is provided with bores 11 which are suitable for fastening means 10 to be inserted.

Figure 5 shows a part of a screen device 1 according to a preferred form of the invention from Figure 1, whereby the motor 3 is slid out of the fastening body 4.

Figure 6 shows a part of a screen device 1 according to a preferred form of the invention, whereby the end piece 21 comprises a reed contact 23, a magnet 24 and a stiff spring 25. The reed contact 23 is provided in the electrical path of the electric power cable 22. In a preferred form of the invention, this electrical path concerns the electrical neutral wire or neuter. The switch 40 which comprises the reed contact 23, the magnet 24, the stiff spring 25 and the safety pin 20, is in the on position. In that the safety pin 20 is not pressed in, the stiff spring 25, which is connected to the safety pin, and the magnet 24, which is connected to the stiff spring, are provided close to the reed contact 23 through which the reed contact electrically couples the electric power cable 22. Thus the motor 3 is supplied with electric power.
By the pressing in of the safety pin 20, the stiff spring 25 is moved together with the magnet 24, which magnet 24 is situated outside the vicinity of the reed contact 23. This is shown in Figure 7. Through this the reed contact electrically disconnects the electric power cable 22. Thus the electric power supply from the motor 3 is interrupted. The switch 40, which comprises the reed contact 23, the magnet 24, the stiff spring 25 and the safety pin 20, is in the off position.

Figure 8 shows a representation, in side view, of a part of a screen device 1 according to preferred form of the invention, whereby the housing 12 is closed. The switch 40, which comprises the reed contact 23, the magnet 24, the stiff spring 25 and the safety pin 20, is in the on position.

EXAMPLE 2: The preferred form for a screen device according to the invention.

Figure 9 shows a three-dimensional representation, in perspective, of a part of a screen device 1 according to a preferred form of the invention. Figure 9 shows a device 1 which is provided with a housing 12 which shields a motor 3, which motor 3 is suitable for the driving of the rolling up and the rolling down movement of screen, which is connected to the motor 3. The housing 12 is provided with a cover housing 13 which is rotatable around a hinge 14. In the housing 12 there is an opening provided for an electric power cable 5 which is connected to the motor 3. The electric power cable 5 provides the motor 3 with an electric power supply. The device is provided with a switch 40, which comprises a reed contact 23 on an end piece 30 and a magnet housing 31, which is provided with a magnet and which switch 40 is switched to the on position if the housing 12 is closed. The magnet housing 31 is attached to the inside of the cover housing 13 and is situated near to the reed contact 23, through which the reed contact 23 electrically connects the electric power cable 22. Thus the motor 3 is supplied with electric power.

Figure 10 shows a part of a screen device 1 according to a preferred form of the invention, whereby the housing 12 is opened. The magnet housing 31 is situated outside the vicinity of the end piece 30 with the reed contact 23, through which the reed contact electrically disconnects the electric power cable 22. Thus the electric power supply from the motor 3 is interrupted. The switch 40 is in the off position.