Patent ID: 7093510

Claim:
A device for linear drive units comprising: a profiled rail along which a carriage is arranged for sliding movement backwards and forwards in response to actuation from a threaded screw, said screw arranged to rotate in opposite directions and being drivingly connected with the carriage and, on either side of the carriage, passing through a through-bore in at least two screw supports, said screw supports being arranged to be displaced by a driver means for movement backwards and forwards along the profiled rail between two end stop positions and forming bearing means carrying said screw intermediate at least two end bearings that support the screw at the ends of the said screw, wherein the driver means kinetically interconnects the screw supports located on either side of the carriage, and wherein the carriage, when being slidingly displaced in one direction, abuts against the screw support on one side of the carriage for displacement of that screw support from one of the end stop positions, said carriage simultaneously, by means of the driver means bringing, along in its movement of the screw support located on the other side of the carriage, and reversely.