Disclosed herein is an inventive dual propeller assembly that can be manually or automatively assembled and includes a leading propeller, and a trailing propeller which are coaxially aligned and secured with a propeller shaft and a locking nut. Various embodiments are disclosed with and without interior grooves for alignment. In all embodiments, the two propellers are secured and aligned with a propeller shaft and locking nut assembly.
Propeller assembly
2019-12-03
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
PROPELLER ASSEMBLY AND PROPELLER BLADE RETENTION ASSEMBLY
European Patent Office | 2018
|Propeller assembly and propeller blade retention assembly
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