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US 10,703,455 B2Granted
Jet propelled watercraft
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorsMasayuki Shibata, Shusuke Suzuki, Toshitaka Kouga
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Abstract
A jet propulsion device is mounted to a vessel body and connected to a drive shaft. A bearing rotatably supports the drive shaft. A bulkhead is disposed inside the vessel body and below a deck. The bulkhead supports the bearing and includes a gap disposed between the drive shaft and the deck. The drive shaft and the gap overlap as seen in a vertical direction.
Claims16
A jet propelled watercraft comprising:
- a vessel body including a deck;
- an engine mounted to the vessel body;
- a drive shaft connected to the engine;
- a jet propulsion device mounted to the vessel body and connected to the drive shaft;
- a bearing that rotatably supports the drive shaft;
- and
- a bulkhead disposed inside the vessel body and below the deck, the bulkhead supporting the bearing and including a gap between the drive shaft and the deck;
- wherein
- the bulkhead includes a shaft hole through which the drive shaft extends;
- the gap is separate and spaced away from the shaft hole;
- and
- the drive shaft and the gap overlap as seen in a vertical direction of the vessel body.
9 more elements
Dependencies are inferred from the claim text.