Hub assembly for marine propeller

摘要

A propeller assembly (10) is provided for mounting on a rotatable propeller shaft (12) of a watercraft. The propeller assembly includes a hub structure extending along a longitudinal axis. The hub structure (20) includes an outer surface (26) having a plurality of circumferentially spaced propeller blades (30) projecting therefrom and an inner surface (28) having a longitudinally extending keys (50) projecting therealong. An adaptor (74) has an inner surface (80) defining a passageway (84) for receiving the propeller shaft (12) therethrough and an outer surface (78) having longitudinally extending keys (86) extending therealong. A tubular bushing (56) interconnects the adaptor (74) to the hub structure. The tubular bushing (56) has a first set of keyways (66) for receiving corresponding keys (88) of the adaptor in a mating relationship and a second set of keyways (54) for receiving the keys (50) of the hub structure in a mating relationship.