Marine vessel propulsion structure and marine vessel driving...

Details Marine vessel propulsion structure and marine vessel driving... Marine vessel propulsion structure and marine vessel driving...

2006-01-20

2008-08-19

Olson, Lars A (Department: 3617)

Marine propulsion

Screw propeller

Having transmission

C440S076000, C440S078000, C440S079000, C440S082000, C440S083000

Reexamination Certificate

active

07413491

ABSTRACT:
In an outboard drive or an inboard-outboard drive, power generated by a single engine is transmitted in left and right directions from a main drive shaft, thereby finally causing left and right propellers to be rotated, the left and right propellers being arranged about the main drive shaft so as to be spaced apart from the main drive shaft at approximately equal distances from the main drive shaft and facing a travel direction of a marine vessel, the outboard drive or inboard-outboard drive being provided with left and right shift cam assemblies for causing rotation situations of the propellers to be controlled dependently from each other, the rotation situations including normal rotation, reverse rotation and non-rotation situations of the propellers.

REFERENCES:
patent: 2569346 (1951-09-01), Shively
patent: 2705468 (1955-04-01), Dix
patent: 2936730 (1960-05-01), Patty, Jr.
patent: 3112728 (1963-12-01), Krause
patent: 3261229 (1966-07-01), Russell et al.
patent: 3954083 (1976-05-01), Frostrom
patent: 5215486 (1993-06-01), Rizikow
patent: 5413512 (1995-05-01), Belenger
patent: 52-137258 (1976-04-01), None
patent: 57-70999 (1980-10-01), None
patent: 58-40498 (1983-03-01), None
patent: 62-220720 (1987-09-01), None
patent: 05-058389 (1993-03-01), None
Japanese Notice of the reason for refusal, dated May 9, 2007.
Japanese Notice of the reason for refusal, dated Oct. 31, 2007.

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