Patent ID: 6543740
Filing Date: 2003-04-08
Classification: B23Q,G02B,Y10T

Abstract:
A positioner for transmitting movement in up to six degrees-of-freedom to an object on the positioner, the positioner comprising:a base plate, a first plate and a second plate, said plates being in a stacked relationship with each other; the first plate being mounted on the base plate by a first mechanical linkage, and the second plate being mounted on the first plate by a second mechanical linkage; a first actuator arrangement for moving the first plate in up to three degrees-of-freedom; a second actuator arrangement for moving the second plate in up to three degrees-of-freedom; and a holder attached to the second plate for mounting the object; wherein one of the first and second plates is movable only in a plane, and the other of the first and second plates is movable only out of said plane; whereby the second plate is movable in up to six degrees of freedom.