Patent ID: 8152579
Filing Date: 2012-04-10
Classification: B63H

Abstract:
1. A direct propulsion apparatus for an inboard engine in a boat, in which the engine and a propeller constitute a unit assembly capable of pivoting vertically and horizontally comprising: a cradle ( 3 ) supporting the engine ( 2 ) and pivoting close to a transom ( 16 ) of the boat ( 1 ) about a horizontal axis (A 2 ); the engine being coupled to a driveshaft ( 4 ) in line with its rotational axis and bearing the propeller ( 5 ); a whole assembly being made rigid by virtue of two semicircular side arms ( 6 ) centered on the axis (A 2 ); each of these semicircular arms being connected by a rear arm ( 7 ) to a bracket ( 8 ) supporting said driveshaft and by a side arm ( 9 ) to the supporting cradle; the assembly being connected to an inverted brace ( 15 ) fastened inside the transom ( 16 ) and enabling said assembly to rotate about an approximately vertical axis (A 1 ) in order to orient the propeller ( 5 ) to steer the boat ( 1 ).