150508 ⎘
Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions; Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers; Planetary rollers between nut and screw with means for shifting planetary rollers axially, e.g. into central position
Planetary roller screw
#2Actuating mechanism with a planetary roller screw mechanism
#3Roller screw mechanism with magnetized means
#4Roller screw mechanism with cage
#5Roller screw bidirectional and alternated preloading structure with built-in metal springs
#6Roller screw bidirectional axial preloading structure