Vertically adjustable stern mounted marine drive

Details Vertically adjustable stern mounted marine drive Vertically adjustable stern mounted marine drive

1997-06-24

1998-08-11

Swinehart, Ed L.

Marine propulsion

Inboard engine mount

Having thru-hull sealing means

440 63, 440 58, 440 53, B63H 2336

Patent

active

057919542

ABSTRACT:
A stern mounted vertically adjustable propeller and rudder marine drive. The aft end of a propeller shaft, the propeller, the rudder and printle and a skeg are vertically moveable to adjust a boat's draft for use in the water and when trailering. A stern underwater slot in the boat hull and shaped to enhance water flow accommodates the propeller shaft which is driven by an inboard engine. As the propeller shaft passes through the hull slot it engages a flexible water seal mechanism which self adjusts or maintains itself in various up and downward positions; its pivotal point is common with the conterline pivotal point of a universal joint, which is attached to a drive shaft connected to the transmission of an inboard engine.

REFERENCES:
patent: 830908 (1906-09-01), Martin

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