Propeller shock absorber for marine propulsion device

Details Propeller shock absorber for marine propulsion device Propeller shock absorber for marine propulsion device

1984-03-15

1986-03-11

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Nonmetallic resilient mounting

416 93A, 416133, 416169R, B63H 120

Patent

active

045753105

ABSTRACT:
Several embodiments of coupling arrangements for resiliently coupling a propeller to a driving shaft. In each embodiment, a first resilient means provides a resilient coupling for absorbing circumferential vibrations and a second resilient means for absorbing axial vibrations. In one embodiment of the invention, one of the resilient means comprises a coil spring. In the other embodiment, all of the resilient means comprise elastomeric sleeves. In a further embodiment of the invention, axial damping in both forward and reverse directions are provided.

REFERENCES:
patent: 2164485 (1939-07-01), Yantis
patent: 2235605 (1941-03-01), Bugatti
patent: 2751987 (1956-06-01), Kiekhaefer
patent: 3047074 (1962-07-01), Rielag
patent: 3084852 (1963-04-01), Seavey
patent: 3321024 (1967-05-01), Marconi
patent: 3335803 (1967-08-01), Van Ranst
patent: 3754837 (1973-08-01), Shimanckas
patent: 3865510 (1975-02-01), Yoshino
patent: 3871324 (1975-03-01), Snyder
patent: 4338064 (1982-07-01), Carmel
patent: 4486181 (1984-12-01), Cavil

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