| 摘要 |
Propeller shaft ( 2 ) and a propeller ( 7 ) for marine drive units. The shaft has a splines portion ( 3 ) on which the propeller is designed to be fixed. The shaft also has a threaded portion ( 10 ) for a lock nut between the shaft end and the splines portion for axial fixing of the propeller. The splines portion ( 3 ) on the shaft has keyways/grooves ( 4 ) which are narrower than the keys ( 5 ) therebetween, where the propeller has a hub ( 6 ) with corresponding keys ( 8 ) and keyways ( 9 ). |
