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