Modular system for assembling electromechanically adjustable supporting devices for upholstery of furniture for sitting or reclining

Abstract

Modular system for assembling electromechanically adjustable supporting devices for upholstery of furniture for sitting or lying upon, particularly for bed mattresses. The supporting devices, when assembled, have at least two supporting parts, which can be displaced relative to one another and which serve to support the upholstery. Modular system includes first and second longitudinal member subassemblies joined together, forming a base body of supporting device. Modular system includes an electromechanical drive for displacing the supporting parts relative to one another, and a control device for controlling the electromechanical drive. First and second electromechanical drive units are assigned to respective first and second longitudinal member subassemblies, and the first and second electromechanical drive units are usable together and brought into active connection with the same supporting part of the supporting device for displacing it, and the control device synchronously controls the first and second electromechanical drive units.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application is a continuation of application no. PCT / EP2005 / 002043, filed 26 Feb. 2005, which claims priority of German application no. 10 2004 016 048.1, filed 1 Apr. 2004, and which claims priority of German application no. 20 2004 018 913.5, filed 6 Dec. 2004, and each of which is incorporated herein by reference.FIELD OF THE INVENTION [0002] The invention relates to a modular system for the assembly of an electromechanically adjustable supporting device for upholstery of furniture for one of sitting and lying upon. The invention further relates to an electromechanically adjustable supporting device for upholstery of furniture for one of sitting and lying upon. BACKGROUND OF THE INVENTION [0003] Electromechanically adjustable supporting devices for upholstery of items of furniture for sitting and / or lying upon are generally known, for example, in the form of slatted frames, for example from DE 0 372 032 B2, DE 38 42 078 C2, DE 1...

AI Technical Summary

Benefits of technology

[0008] An object of the invention is to provide a modular system for the assembly of an electromechanically adjustable supporting device for upholstery of furniture for one of sitting and lying upon that does not have the disadvantages, as described above, and that thus can be more simply and cost-effectively produced.

[0011] The basic idea of the teaching of the invention includes allocating two drive units to one of the supporting parts to be adjusted, which are in active connection with this supporting part for the purpose of adjusting the same. In this manner, a first electromechanical drive unit is assigned to and preferably arranged on a first longitudinal member subassembly and a second electromechanical drive unit is allocated to and preferably arranged on the second longitudinal member subassembly, so that the drive force of the first electromechanical drive unit is introduced into a part of the supporting part to be adjusted that is adjacent to the first longitudinal member subassembly, and the drive force of the second electromechanical drive unit is introduced into the part of the supporting part to be adjusted that is adjacent to the second longitudinal member subassembly. In this manner, without costly mechanics, an introduction of force into the supporting part to be adjusted that is symmetrical in relation to the longitudinal center plane of the supporting device is enabled, so that during adjustment of the same, twisting, distortion, or the like can be prevented.

[0013] In this manner, an introduction of force into the supporting parts to be adjusted that is symmetrical in relation to the longitudinal center plane is achieved with a very small number of mechanical components, so that the modular system according to the invention can be produced especially simply and thus cost-effectively. Furthermore, due to the reduced number of mechanical components the assembly of the modular system according to the invention is facilitated.

[0014] One particularly advantageous further development of the teaching of the invention provides that the first electromechanical drive unit can be placed in active connection with a first pivoting shaft that is assigned to the first longitudinal member subassembly, and the second electromechanical drive unit can be placed in active connection with a second pivoting shaft that is assigned to the second longitudinal member subassembly, wherein the first pivoting shaft and the second pivoting shaft can be placed in active connection with the same supporting part of the supporting device to allow adjustment of the same, wherein the control circuit actuates the first electromechanical drive unit and the second electromechanical drive unit such that the first pivoting shaft and the second pivoting shaft pivot essentially synchronously with one another. With this embodiment, a particularly simple, sturdy and cost-effective construction results. The pivoting shafts can be especially and for example non-rotatably connected to pivoting levers, on which the supporting part to be adjusted is movably supported, or which form a component of the supporting part to be adjusted.

[0015] Another advantageous further development of the teaching of the invention provides that the control circuit has a memory unit, especially a permanent memory unit, for storing the respective position of adjustment of the supporting parts that have been adjusted by means of the electromechanical drive units. By using a permanent memory unit it is ensured that the drive units can be placed in operation in a manner that corresponds to the respective control commands, even in the event of a loss of power.

[0016] Expediently, according to the invention the control circuit can have a programmable circuit. Programmable circuits of this type are available as simple and cost-effective standard components.

Problems solved by technology

One disadvantage of the known modular system consists in the fact that, because of the mechanics required to produce an introduction of force into the respective supporting part that is symmetrical relative the longitudinal center plane of the supporting device, the system is very costly and thus expensive to produce.

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