Patent ID: 6018415
Filing Date: 2000-01-25
Classification: B23Q,G02B,G05G,Y10T

Abstract:
An X-Y table for moving an object in X and Y directions perpendicular to one another, the X-Y table comprising:a Y-axis moving plate movable in the Y direction, and an X-axis moving plate movable in the X direction and in the Y direction,said X-axis moving plate being slidably fitted to said Y-axis moving plate so as to be carried by the Y-axis moving plate when the Y-axis moving plate moves in the Y direction, and so as to be guided by the Y-axis moving plate for movement relative thereto in the X direction, andsaid Y-axis moving plate comprising two members each of which is disposed to a respective side of said X-axis moving plate so as to sandwich the X-axis moving plate therebetween, and at least one connecting rod extending across the bottom of said X-axis moving plate and connecting said members together;an object holder mounted on said X-axis moving plate so as to move therewith;a fixed plate supporting the Y-axis moving plate, said Y-axis moving plate being slidably fitted to the fixed plate so as to be guided by the fixed plate for movement in the Y direction;X-axis driving means for driving the X-axis moving plate in the X direction, said X-axis driving means comprising an X-axis belt extending in the X direction; andY-axis driving means for driving the Y-axis moving plate, and the X-axis moving plate slidably fitted thereto, in the Y direction, said Y-axis driving means comprising a Y-axis belt extending in the Y direction.