Marine propulsion – Screw propeller – Propulsion unit casing
Reexamination Certificate
2006-08-15
2009-02-03
Olson, Lars A (Department: 3617)
Marine propulsion
Screw propeller
Propulsion unit casing
C440S075000, C440S078000
Reexamination Certificate
active
07485020
ABSTRACT:
An outboard motor includes a case extending generally vertically and supported on a hull. An engine is supported at an upper end of the case. A propeller is supported by a lower end of the case. A drive shaft is supported within the case for rotation about a generally vertical axis. The driveshaft has an upper end operatively connected to the engine and a lower end operatively connected to the propeller. An upper portion of the case includes an elongate extruded portion having substantially the same cross-sectional shape along its length.
REFERENCES:
patent: 2489478 (1949-11-01), Buske
patent: 2943592 (1960-07-01), Benson et al.
patent: 3841130 (1974-10-01), Scott et al.
patent: 6033274 (2000-03-01), Mizuguchi et al.
patent: 6099370 (2000-08-01), Tanaka et al.
patent: 6146222 (2000-11-01), Murata et al.
patent: 2006/0116034 (2006-06-01), Nakamura
patent: 08-034394 (1996-02-01), None
Fujii Isao
Nakamura Daisuke
Wakui Ken
Knobbe Martens Olson & Bear LLP
Olson Lars A
Yamaha Marine Kabushiki Kaisha
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