Patent ID: 7024710

Claim:
A parallel-link table comprising: a top plate for supporting a subject; an upper structure for supporting said top plate, said upper structure moving relative to said top plate only in a longitudinal direction of said top plate; a base plate for supporting said upper structure, said base plate moving relative to said upper structure only in said longitudinal direction; a platform on a floor, for supporting said top plate, said upper structure and said base plate; a first bracket of a height greater than a distance between said upper structure and said base plate, said first bracket being secured to said upper structure on a side near said platform; parallel links for coupling said base plate and said platform using a first set of movable joint portions; a first position correcting link of a length half that of one of said parallel links, for connecting a middle point of the one of said parallel links and said first bracket portion lying on said base plate in said longitudinal direction by a second set of movable joint portions; and a first actuator portion for moving said upper structure up/down with respect to said platform.