An architectural covering having a drive mechanism for extending and retracting a covering member between opposite first and second end positions. The drive mechanism includes an electric motor unit having a stationary end and a rotating end for rotating a winding core, such as a roller blind shaft,
An architectural covering having a drive mechanism for extending and retracting a covering member between opposite first and second end positions. The drive mechanism includes an electric motor unit having a stationary end and a rotating end for rotating a winding core, such as a roller blind shaft, for receiving wound layers of a flexible element, such as a sheet of flexible material thereon. The drive mechanism further includes a motor head, separate from the electric motor unit, providing external electrical control for the motor unit via an electrical interface. A printed circuit board accommodated in the motor head may include at least one of end position limit switches, a switch for setting the first and second end positions, electronic communication means, or a remote control receiver. The electrical interface may include an electrical connector plug, an electrical socket, and/or an electrical cable.
대표청구항▼
1. Architectural covering comprising: a drive mechanism for extending and retracting a covering member between opposite first and second end positions, and a winding core for receiving wound layers of a flexible element during retraction of the covering member, wherein the drive mechanism includes:
1. Architectural covering comprising: a drive mechanism for extending and retracting a covering member between opposite first and second end positions, and a winding core for receiving wound layers of a flexible element during retraction of the covering member, wherein the drive mechanism includes: an electric motor unit having a stationary end and a rotating end for rotating the winding core;a motor head coupled to the electric motor unit via an electrical interface for providing electrical control to the motor unit, the motor head including: a housing spaced axially apart from the electric motor unit;at least one of communication electronics;a printed circuit board with end position limit switches, a switch for setting the first and second end positions, or a remote control receiver accommodated in the housing; andan outer end member coupled to the housing and configured to engage a mounting bracket; anda coupling to physically couple the motor head housing to the electric motor unit, the coupling preventing relative rotation between the motor head and the stationary end of the electric motor unit and between the stationary end of the electric motor unit and the outer end member, the coupling extending from an inner end of the motor head opposite the outer end member. 2. Architectural covering according to claim 1, wherein the drive mechanism is accommodated in the winding core. 3. Architectural covering according to claim 1, wherein the drive mechanism is accommodated in a rail or cassette of the architectural covering. 4. Architectural covering according to claim 2, wherein the motor head is positioned immediately adjacent one end of the winding core. 5. Architectural covering according to claim 1, wherein the electrical interface includes an electrical connector plug and an electrical socket. 6. Architectural covering according to claim 1, wherein the electrical interface includes a cable. 7. Architectural covering according to claim 1, wherein the drive mechanism comprises at least one spring assist module. 8. Architectural covering according to claim 1, wherein the drive mechanism includes a bearing collar that can be clipped onto the motor unit for additional support of the stationary end thereof. 9. Architectural covering according to claim 1, wherein the drive mechanism includes a stationary central shaft. 10. Architectural covering according to claim 1, wherein the flexible element is a sheet of flexible material. 11. Architectural covering according to claim 1, wherein the winding core is a roller blind shaft. 12. The architectural covering of claim 1, wherein the motor head includes: a stationary stub axle coupling the outer end member to the housing and extending at least partially inside the housing. 13. Architectural covering according to claim 1, wherein the coupling is at least one of a protrusion, a rib, or a serration. 14. Architectural covering comprising: a winding core for receiving wound layers of a flexible element during retraction of the covering member; anda drive mechanism for extending and retracting a covering member between opposite first and second end positions, the drive mechanism including: an electric motor unit having a stationary end and a rotating end for rotating the winding core; anda motor head coupled to the electric motor unit via an electrical interface for providing electrical control to the motor unit, the motor head including: a housing spaced axially apart from the electric motor unit;at least one of communication electronics, a printed circuit board with end position limit switches, a switch for setting the first and second end positions, or a remote control receiver accommodated in the housing; andan outer end member coupled to the housing and configured to engage a mounting bracket; andat least one spring assist module is interposed between the motor unit and the motor head. 15. Architectural covering according to claim 14, wherein the at least one spring assist module includes a helically wound torsion spring that is selected from a predefined range of incremental lengths. 16. Architectural covering according to claim 14, wherein the at least one spring assist module includes a helically wound torsion spring that is selected according to a protocol that takes into account the relevant physical parameters of the architectural covering and the drive mechanism to provide a constant operating force. 17. Architectural covering according to claim 14, wherein the electrical interface includes a cable, and wherein the cable extends through the at least one spring assist module. 18. Architectural covering according to claim 14, wherein the drive mechanism comprises at least one buffer coupling. 19. Architectural covering according to claim 18, wherein the at least one buffer coupling is interposed between the motor unit and the motor head, and/or between the motor unit and a spring assist module, and/or between a spring assist module and the motor head, and/or between two spring assist modules. 20. An architectural covering comprising: a covering member movable between opposing first and second end positions;a winding core for receiving wound layers of a flexible shade element during movement of the covering member between the opposing first and second end positions; anda drive mechanism for moving the covering member between the opposing first and second end positions, the drive mechanism comprising: an electric motor unit including a stationary end and a rotating end for rotating the winding core; anda motor head positioned adjacent an end of the winding core, the motor head being physically separate and spaced apart from the electric motor unit and coupled thereto via an electrical interface to provide external electrical control to the electric motor unit, the motor head comprising; a housing spaced axially apart from the electric motor unit;at least one of communication electronics, a printed circuit board with end position limit switches, a switch for setting the first and second end positions, or a remote control receiver accommodated in the housing; andan outer end member coupled to the housing and engageable to a mounting bracket operable to mount the architectural covering anda coupling to physically couple the motor head housing to the electric motor unit, the coupling preventing relative rotation between the motor head and the stationary end of the electric motor unit and between the stationary end of the electric motor unit and the outer end member, the coupling extending from an inner end of the motor head opposite the outer end member. 21. The architectural covering of claim 20, wherein the motor head is positioned nearer the end of the winding core than the electric motor unit. 22. The architectural covering of claim 20, wherein the rotating end of the electric motor unit engages an inner wall of the winding core. 23. The architectural covering of claim 20, wherein the rotating end of the electric motor unit and a portion of the motor head rotatably support the winding core. 24. The architectural covering of claim 20, wherein the outer end member is stationary. 25. An architectural covering comprising: a winding core; anda drive mechanism for rotating the winding core, the drive mechanism comprising: an electric motor unit including a stationary end and a rotating end for rotating the winding core; anda motor head received at least partially within an end of the winding core and coupled to the electric motor unit via an electrical interface to provide electrical control for the electric motor unit, the motor head including: a housing spaced axially apart from the electric motor unit and including a first end and a second end, the first end positioned closer to the electric motor unit than the second end;a printed circuit board received within the housing;an inner end member distinct from and engaged with the first end of the housing; anda coupling to physically couple the motor head housing to the electric motor unit, the coupling preventing relative rotation between the motor head and the stationary end of the electric motor unit and between the stationary end of the electric motor unit and the first end member, the coupling extending from an inner end of the motor head opposite the first end member. 26. The architectural covering of claim 25, wherein the electrical interface protrudes from the inner end member. 27. The architectural covering of claim 25, wherein the motor head includes an outer end member and a rotatable collar positioned between the second end of the housing and the outer end member.
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