Patent ID: 6193226
Filing Date: 2001-02-27
Classification: G01B,G02B,G12B

Abstract:
A mechanism for a multi-axis flexure positioner for positioning in at least three motion axes, the mechanism including a fixed part and a movable part, the movable part being connected to the fixed part via a plurality of transmissions, one for each motion axis, for transmitting actuation forces for the respective motion axes to the movable part, the transmission for each motion axis including a flexure member arranged to transmit actuation forces for that motion axis to the movable part and to flex between the fixed part and the movable part in response to actuation forces associated with each other motion axis, wherein there are three flexure members arranged to extend along three mutually-perpendicular axes of extent so that each flexure member is flexible along the axes of extent of the other two flexure members, each of the three flexure members comprising a pair of flexure linkages arranged to extend parallel to each other, the three pairs of flexure linkages thus defining three mutually-perpendicular planes.