| 摘要 |
A planetary transmission, in particular for machine tools, with a drive shaft that is connected to a sun gear, with an output shaft that is connected to a planetary carrier and with an interior gear, that in a first operating position engages with the housing, and in the second operating position engages with the sun gear, with a hub that surrounds the drive shaft concentrically and with a sliding collar that surrounds the hub concentrically and that engages with the hub in an operating position. The sliding collar ( 5 ) engages in the loose end of the interior gear ( 4 ) with a centering diameter ( 7 ) concentrically located with the hub ( 6 ), which in the engaged position of the sliding collar ( 5 ) engages with the hub ( 6 ) in a concentric position with the hub's axle on its centering collar ( 8 ).
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