Patent ID: 6237639
Filing Date: 2001-05-29
Classification: B63B,Y10T

Abstract:
A dump-valve device for a boat having a transom provided with a through hole at the lower part thereof, comprising:a cylindrical tubular body arranged to be fixed in said through hole of said transom with a first end outside the boat, said first end having a valve seat,a plug valve in said tubular body which is movable substantially rectilinearly thereto between a closed position and an open position, and which has a plug head adapted to engage sealingly said valve seat of said tubular body in its closed position,drive means angularly rotatable with respect to said tubular body and provided with operation means located inside the boat and adjacent the transom,coupling means provided between the drive means and the plug valve so as to convert said angular rotation movement of the drive means with respect to said tubular body into said rectilinear movement of said plug valve with respect to said tubular body, andpassage means provided in either or both of the plug valve and drive means so as to allow water to outflow from the inside of the boat when said plug valve is in its open position.