RACCO: A Modal - Logic Programming Language for Writing Models of Real - time Process - Control Syst

A universal joint assembly comprising a yoke to be connected to a drive shaft, another yoke to be connected to a driven shaft, a spider and needle bearings for rotatably supporting the trunnions of the spider. The joint is used to interconnect the drive shaft and the driven shaft at an angle of intersection of up to 15 degrees. The ratio of the diameter d of the trunnion to the allowable swing diameter D of the universal joint, namely d/D, is greater than 24%.