Patent ID: 9737985
Date: 2017-08-22
CPC Classifications: B25J,F16H,Y10T

Claim:
1. A parallel link robot, comprising: a base part; a movable part; three link parts which link said base part and said movable part and respectively have single degrees of freedom with respect to said base part; and three actuators configured to drive the respective link parts, wherein each of said link parts comprises wherein the parallel link robot further comprises ball joints which are arranged wherein each of said ball joints includes a ball and a one-piece housing which covers a maximum diameter part of said ball, a first part of a surface of the ball at one side of the maximum diameter part and a second part of the surface of the ball at another side of the maximum diameter part, wherein the parallel link robot further comprises wherein the two elongated plates are arranged in parallel with each other by the two spacers between the two elongated plates, the two elongated plates are pivotable, with respect to the driven links, around the rotary shafts, the two elongated plates are positioned closer to a linking part between the drive link and the two driven links than the moveable part, each of the two elongated plates further comprises an opening elongated in the longitudinal direction of the elongated plate, the elongated plates are configured to maintain a distance between the driven links constant, the housing of each of said ball joints has an extended part extending away from the ball of said ball joint, the extended part has a threaded part engaged with a corresponding threaded part at an end of the corresponding driven link, and the threaded parts are configured to adjust a center distance between the two ball joints coupled to said driven link, and the driven links are not connected to each other between the elongated plates and the moveable part.