Marine propeller drive
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United States of America Patent
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-
May 21, 2013
Grant Date -
Sep 7, 2006
app pub date -
Dec 5, 2005
filing date -
Jun 5, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A propeller drive for boats features a transition cone between the gearbox housing and the propeller hub(s). The propeller hub (that is closest to the gearbox housing) is smaller in cross-sectional dimension than the gearbox housing. The dimension of the front end of the transition cone corresponds to the cross-sectional dimension of the gearbox housing, and the dimension of the rear end of the transition cone corresponds to the cross-section dimension of the (closest) propeller hub. The transition cone has a bulging shoulder between the front and rear ends, the largest peripheral cross-sectional dimension of which is greater than the cross-sectional dimension of the front of the transition cone.
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