Patent ID: 6835033
Filing Date: 2004-12-28
Classification: B23Q,Y10T

Abstract:
A device configured to permit positioning and displacement of a mobile element, comprising:a parallel structure comprising: a fixed element; three acting elements, each comprising a fixed part and a mobile part, the fixed part being interdependent with the fixed element, the mobile part being interdependent with the mobile element, and three linkage elements, each including a first end mounting with the mobile part and a second end mounting with the mobile element, the three linkage elements configured to maintain an inclination and an orientation of the mobile element regardless of a movement of the mobile parts; and a balancing means comprising: a linking module connecting with the mobile element; and a support module connecting with the linking module, wherein the mobile element comprises a support-sheath of a tool-holder, the longitudinal tool-holding axis of the support-sheath extending along a horizontal axis, and wherein the support module is configured to permit rectilinear motion of said support-sheath along at least one of an X, Y, and Z axis, and to support the support-sheath such that a weight of the support-sheath is not transferred to said parallel structure.