| 摘要 |
Reversing gears for boats, comprising an angle gearing with two gears (4,5) rotatably mounted on a secondary shaft (8) and alternately lockable to the shaft by means of a clutch sleeve (11). The clutch sleeve consists of aluminum and has exterior coupling cones with surfaces (12,13), which are oxidized and impregnated with a fluoroplastic and are heat-treated. The rotatably mounted gears (4,5) have interior coupling cones (14,15) of tempered steel.
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