Patent ID: 7146872
Filing Date: 2006-12-12
Classification: B25J,Y10T

Abstract:
1. A micro manipulator equipped with three link mechanisms for connecting a base and an end effector, wherein said three link mechanisms are produced by fabricating a sheet of flexible metal plate and are formed with plate-like arm portions provided radially at the periphery of said end effector, flexure hinge portions that are positioned at both ends and a middle position of each said arm portion in its longitudinal direction and act as revolving joints if the amounts of displacement of the flexure hinge portions are very small, and a link element that is positioned between one end and middle position in the longitudinal direction of each said arm portion and act as a parallelogrammatic joint if the amount of displacement of the link element is very small, wherein said flexure hinge portions are formed with slits in the lateral direction of each of said arm portion.