Marine propulsion – Screw propeller – Propulsion unit casing
Reexamination Certificate
2007-04-16
2008-11-11
Olson, Lars A (Department: 3617)
Marine propulsion
Screw propeller
Propulsion unit casing
C292S113000, C292S123000, C292S229000, C292S247000
Reexamination Certificate
active
07448928
ABSTRACT:
An outboard motor has a cowl having a top cowl and a bottom cowl that are detachably connected using a clamp apparatus. The clamp apparatus has a clamp engaging member on the top cowl, a clamp fixing member on the bottom cowl, and a clamp for connecting the top and bottom cowls. The clamp has an engaging section for engaging the clamp engaging member, a fixing section fixed on the bottom cowl by the clamp fixing member, a mounting pivot formed on the fixing section, and a supporting pivot linked to the mounting pivot. A line is defined between the engaging section and the mounting pivot. In an open clamp state, the supporting pivot is positioned away from the cowl beyond the line. In a closed clamp state, the supporting pivot is positioned adjacent to the cowl within the line. A biasing spring biases the clamp main body toward the cowl at least in the open clamp state.
REFERENCES:
patent: 4830413 (1989-05-01), Bisbing
patent: 5655799 (1997-08-01), Takimoto
patent: 5667258 (1997-09-01), Takimoto
patent: 5873756 (1999-02-01), Takayanagi
patent: 08/268384 (1996-10-01), None
Arai Hideto
Hasegawa Hiroyuki
Knobbe Martens Olson & Bear LLP
Olson Lars A
Yamaha Marine Kabushiki Kaisha
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