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