Small watercraft capable of suppressing vibration and noise...

Details Small watercraft capable of suppressing vibration and noise... Small watercraft capable of suppressing vibration and noise...

2007-08-17

2009-08-18

Swinehart, Ed (Department: 3617)

Marine propulsion

Screw propeller

With vibration dampening

C440S038000

Reexamination Certificate

active

07575489

ABSTRACT:
To provide a small watercraft capable of suppressing vibration and noise of a vessel body, a jet pump is mounted to a hull via a thrust plate. A dynamic damper is disposed as an adjunct at a plate mounting portion that attaches the thrust plate to the hull. More specifically, the thrust plate is first mounted to the hull. Then, with a flange portion of the jet pump pressed up against a rear surface of the thrust plate, a second bolt is screwed in toward the thrust plate from an outward side of the hull. The jet pump is thereby attached to the rear surface of the thrust plate.

REFERENCES:
patent: 6383040 (2002-05-01), Ito et al.
patent: 2005/0132945 (2005-06-01), Yamada et al.
patent: 2004-98973 (2004-04-01), None

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