A particularly important advantage of the adjusting device 6 is that the planetary gear train is small in diametrical size as compared with {HEAD ~ ordinary reduction gears} which generally consist of spur gears or {TAIL ~ helical spur gears} so that the device is both compact and simple 
generally consist of
A particularly important advantage of the adjusting device 6 is that the planetary gear train is small in diametrical size as compared with { HEAD ~ ordinary reduction gears } which generally consist of spur gears or { TAIL ~ helical spur gears } so that the device is both compact and simple
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH