Plane motion mechanism.

摘要

The invention relates to a plane motion mechanism suitable for positioning and moving a tool or the like. The mechanism comprises a base (10) with a planar surface (9) on which a table (20) is movable. According to one embodiment of the invention the table (20) is moved by means of four belts (1 to 4). Each belt is wound about the cylindrical peripheral surface of the table and about the shaft of motor means (21 to 24). The motors are controlled by the control unit (30) to obtain a predetermined motion of the table.