Marine propulsion – Screw propeller – With vibration dampening
Patent
1996-10-01
1997-09-09
Swinehart, Edwin L.
Marine propulsion
Screw propeller
With vibration dampening
440 88, B63H 115
Patent
active
056649762
ABSTRACT:
An outboard motor comprises, in an installed or mounted state, an engine holder, an engine located to an upper portion of the engine holder, a drive shaft housing located to a lower portion of the engine holder for housing a drive shaft extending downward from the engine, and an oil pan formed to the engine holder, the oil pan being provided with a wall section to which steering brackets are secured through upper mounts. A first seal member is disposed at a mating surface portion of an upper surface of the drive shaft housing and a lower surface of the oil pan and a second seal member is disposed at a mating surface of an upper surface of the oil pan and a lower surface of the engine to thereby expose the drive shaft between the first and second seal members.
REFERENCES:
patent: 5309877 (1994-05-01), Shigedomi et al.
patent: 5388555 (1995-02-01), Shiomi et al.
patent: 5501621 (1996-03-01), Shigedomi et al.
Matsui Fumio
Mishima Shuichi
Noda Atsushi
Shimada Hidetsugu
Takayanagi Masashi
Suzuki Kabushiki Kaisha
Swinehart Edwin L.
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