Robotic manipulator arm

Abstract From the Canadian patent

A robotic system including a manipulator arm for moving a device to a predetermined point within a working volume under control of microprocessor based control means. The manipulator arm includes various sections and joints defining a base a, shoulder, an arm and a wrist. The wrist is jointed to pivot about a pitch axis and a roll axis. The manipulator is arranged to pivot the arm about the base axis and shoulder axis which axes, intersect at a common point. The arm includes a section which is extendable through the use of telescoping links. The wrist is mounted on the end of the telescoping links with the pitch and, roll axes intersecting at a second point. The second point lies along the …