Ball cage for a worm-and-nut type drive unit

Ball cage for helical ballspline

Ball circulating groove structure of ball nut

Ball circulation path in rotation transmitter using balls

Ball circulation screw gear

Ball circulation type of spiral gearing

Ball connecting body and ball screw apparatus using the same

Ball coupled compound traction drive

Ball groove profile of ball screw

Ball joint and pole assembly for starter motor

Ball locking mechanism

Ball nut and means for attaching a mounting flange thereto

Ball nut and method of high volume manufacturing of same

Ball nut and method of manufacturing same

Ball nut and screw assemblies and methods of attaching extension

Ball nut and screw assemblies with improved crossovers

Ball nut and screw assembly

Ball nut and screw assembly

Ball nut and screw assembly with an improved ball nut connector

Ball nut and screw assembly with backdrive control