Small watercraft

Details Small watercraft Small watercraft

2006-10-31

2006-10-31

Swinehart, Ed (Department: 3617)

Ships

Boats, boat component, or attachment

Hull construction

C440S052000, C114S123000

Reexamination Certificate

active

07128018

ABSTRACT:
The present invention relates to saddle-riding type watercraft and other small watercraft. In an embodiment, the invention is a small watercraft capable of reducing noise by utilizing the sponson. For example, a small watercraft is provided with a sponson made of synthetic resin, characterized in that within the sponson there has been fixed a weight matched to the frequency of the hull to thereby have a function as a dynamic damper. In an embodiment, the weight is a plate-shaped weight made of metal along the longitudinal direction of the sponson. In an embodiment, the weight is embedded in the sponson along the longitudinal direction thereof.

REFERENCES:
patent: 3130700 (1964-04-01), Peterson
patent: 3804292 (1974-04-01), Chiti
patent: 5050517 (1991-09-01), Kobayashi
patent: 5676088 (1997-10-01), Blaisdell et al.
patent: 5908006 (1999-06-01), Ibata

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