| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a turntable drive device capable of returning a position of a movable table to a predetermined direction. <P>SOLUTION: An outer movable table 4 is turnably supported by rotating shafts 2a1 and 2b1, an inner movable table 5 is turnably supported by turning shafts 4a and 4b provided in the outer movable table 4. The inner movable table 5 is turned around the turning shafts 4a and 4b when a connection plate 30 is linearly moved in the X direction. When a connection plate 40 is linearly moved in the Y direction, the outer movable table 4 is turned together with the inner movable table 5 around the turning shafts 2a1 and 2b1, based on an engagement operation between a rack 40c1 formed in the connection plate 40 and a partial gear 6b formed in the outer movable table 4. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
