Patent ID: 6572421
Filing Date: 2003-06-03
Classification: B63H,F15B

Abstract:
A tilt device for a marine propulsion unit comprising:a clamp bracket adapted to be fixed to the hull; a swivel bracket tiltably connected to the clamp bracket, designating a horizontal axis as a center of rotation; a cylinder device comprising a cylinder formed of a tubing material and connected in series to a valve block of a pump device, the cylinder being disposed between the clamp bracket and the swivel bracket, the pump device for extending and contracting the cylinder device; wherein a propelling unit of the marine propulsion unit is supported by the swivel bracket, the cylinder device and the pump device are arranged in a substantially vertical series, and wherein a motor of the pump device is connected in series to said valve block, using a space formed by said motor and the valve block as a tank for accommodating hydraulic fluid, and wherein a pump is arranged in the space formed by said motor and the valve block, and said pump is fixed inversely to the valve block; the tilt device further comprising a sub tank for hydraulic fluid provided on a cylinder side of said valve block, wherein the sub tank communicates with the tank via a communicating path.