Patent ID: 7752810

Claim:
A support device for a displaceable separation element that is guided along a rail having at least a center portion, two lateral portions, each of said lateral portions having a foot portion coupled thereto distally from said center portion, the device comprising: at least one magnetic or ferromagnetic rail element that is coupled to said rail; at least one carriage that is coupled to said separation element and that is guided by said rail; said carriage comprising: at least two mechanical support elements coupled to the carriage, and mechanically supported by a respective one of said foot portions; a carriage body comprising ferromagnetic material, and further having: a plurality of recesses on the side opposing the at least one rail element, each of said recesses is sunk into said ferromagnetic material and comprises a sunken base; a plurality of carriage magnets each at least partially disposed in a respective recess, and contacting the sunken base of the respective recess the magnets being magnetically coupled to said ferromagnetic material of said carriage body; and to said rail element thus exerting a force therethrough for opposing the gravitational force exerted by said separation element.