Patent ID: 6877816

Claim:
An adjustment device for beds, mattresses, seats and the like, comprising a plurality of support elements extending across an adjustment direction and spanning a support plane, and at least one drive device to pivot a plurality of said support elements relative to each other for the purpose of a slope or trend change of the support plane, said support elements being provided with at least one mounting element extending across the support plane, said mounting element being provided with a pivot joint in a first end region of said mounting element, at least one spacer device being provided to maintain the spacing of adjacent mounting elements relative to each other in the region of said pivot joint, and a plurality of spacing adjusters to change the spacing of adjacent mounting elements on the region of a second end of said mounting element that is positioned opposite the pivot joints, said spacing change device including a tension belt, said tension belt is guided upon sensing a force reduction on at least one deflection pulley, said force reduction on said at least one deflection pulley resulting directly or indirectly from said mounting elements.