Propeller thrust transmission device for a watercraft propulsion device
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United States of America Patent
Stats
-
Mar 9, 2010
Grant Date -
Jun 19, 2008
app pub date -
Dec 14, 2007
filing date -
Dec 14, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A propeller thrust transmission device includes a taper portion of a propeller shaft that is fitted in a spacer divided into a first half and a second half. A thrust force acting on a propeller is received by the taper portion of the propeller shaft through the spacer. The first half includes a taper hole having an inner surface which corresponds in shape to an outer surface of the taper portion and in which the taper portion is fitted. The second half has a smaller diameter portion extending from one side of a ring-shaped wall portion closer to the propeller and fitted in a hole of an attachment device spaced from the propeller shaft, and a larger diameter portion extending from the other side of the ring-shaped wall portion and fitted on an outer peripheral surface of the first half.
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