Drive shaft supporting structure for a small boat, and...

Details Drive shaft supporting structure for a small boat, and... Drive shaft supporting structure for a small boat, and...

2006-03-27

2008-10-07

Sotelo, Jesús D. (Department: 3617)

Marine propulsion

Screw propeller

Propeller arrangement

C440S076000, C440S078000, C440S079000

Reexamination Certificate

active

07431621

ABSTRACT:
A drive shaft supporting structure for a small boat is provided which permits simplification of a hull and for which manufacturing productivity is increased. The drive shaft supporting structure includes a shaft-supporting member for rotatably supporting a drive shaft inside of a hull, and an elongate cylindrical sleeve. The cylindrical sleeve is arranged between the shaft-supporting member and a hull opening which permits penetration of the drive shaft through the hull. The drive shaft supporting structure is configured in such a manner that a front end portion of the cylindrical sleeve is connected to the shaft-supporting member and a rear end portion of the cylindrical sleeve is connected to the hull opening.

REFERENCES:
patent: 5366396 (1994-11-01), Schulze
patent: 7198531 (2007-04-01), Nakamura et al.
patent: 2006/0014445 (2006-01-01), Lawson et al.
patent: 2004-058871 (2004-02-01), None

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