Patent ID: 6196138
Filing Date: 2001-03-06
Classification: B23Q,F16C,G03F,Y10T

Abstract:
A movable table unit comprising:a table base plate;a movable table supported movably on said table base plate;a first track rail installed on the table base plate along an Y axial direction;a plurality of rotating and two-axis guiding systems guided by the first track rail, for guiding the movable table along a different direction from the Y axial direction and supporting the movable table rotatably;a first driving means fixed to the table base plate for driving at least one of the rotating and two-axis guiding systems along the Y axial direction; anda plurality of second driving means fixed to the rotating and two-axis guiding systems for driving the movable table independently along the different direction from the Y axial direction,wherein each of the rotating and two-axis guiding systems comprises a moving block guided by the first track rail, a second track rail guided by the moving block along an X axial direction and a rotation system for supporting the movable table rotatably relative to the moving block, andwherein the rotation system is arranged between the movable table and the second track rail.