Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure
Patent
1975-03-17
1976-05-18
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Support mounting, carrier or fairing structure
151 28, 403259, B63H 120
Patent
active
039573940
ABSTRACT:
A shaft coupled at one end to motive means is externally threaded in spaced proximate relation with the opposite free end thereof. A plurality of keyways supporting a plurality of keys are provided at the free end of the shaft. A propeller mount supporting a marine propeller for rotation therewith is coaxially positioned over the shaft and has an internally threaded axial bore threadedly coupled to the threading of the shaft. A component is coaxially positioned over part of the propeller mount. An annular restraining member is coaxially positioned over the shaft and within an axial bore of the component. A plurality of bores are formed through the restraining member in alignment with bores of the propeller mount. The restraining member is coupled to the propeller mount via a plurality of screws in the bores thereof with a predetermined gap between the restraining member and the propeller mount thereby preventing axial movement of the propeller mount. An assembly nut member has a plurality of adjoining axial bores of different diameters formed therethrough. The nut member is threadedly coupled to the component via an externally threaded part of the component. A plurality of set screws in radially extending bores of the assembly nut member are threadedly coupled in radially extending bores of the component.
REFERENCES:
patent: 1290450 (1919-01-01), Wiley
patent: 1317058 (1919-09-01), Wiley
patent: 2317070 (1943-04-01), Le Tourneau
patent: 2336164 (1943-12-01), Chaskin
patent: 3104459 (1963-09-01), Wendt
patent: 3792938 (1974-02-01), Wilde
Powell Jr. Everette A.
Tick Daniel Jay
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