Patent ID: 8047095
Filing Date: 2011-11-01
Classification: F16C,H01L,Y10T

Abstract:
1. An XY table actuator comprising: a stationary plate ( 2 ) having a receiving groove ( 20 ) extending in an X-direction and formed in a substantially channel-like configuration; a moving plate ( 5 ) having a receiving groove extending in a Y-direction and formed in a substantially channel-like configuration; an intermediateplate ( 4 ) whose lower body is assembled to the receiving groove of the stationary plate through intermediation of first rolling bodies ( 3 ), whose upper body is assembled to the receiving groove of the moving plate through intermediation of second rolling bodies ( 3 ), and which is movable in the X-direction with respect to the stationary plate, with the moving plate being movable in the Y-direction with respect to the intermediate plate; an X-drive means ( 6 ) for propelling the intermediate plate in the X-direction with respect to the stationary plate; and a Y-drive means ( 7 ) for propelling the moving plate in the Y-direction with respect to the intermediate plate, wherein the intermediate plate is provided with receiving chambers (