Electric Corrosion Preventing Structure of Marine Vessel Propelling Machine

An electric corrosion preventing structure of a marine vessel propelling machine comprising:

• a stern bracket fixed to a marine vessel;
• a propelling unit tiltably coupled to the stern bracket via a swivel bracket;
• a tilting cylinder apparatus interposed between the stern bracket and the swivel bracket;
• the tilting cylinder apparatus integrally forming a cylinder in a cylinder block;
• a rod slidably supported to a rod guide coupled to the cylinder, the rod inserted to an oil chamber in an inner portion of the cylinder;
• a piston fixed to an insertion end of the rod to the cylinder;
• and
• an anode electrically connected to the cylinder block,
• wherein the cylinder is integrally formed in the cylinder block,
• an electric interconnection of the rod guide and the cylinder is provided by the coupling of the rod guide to the cylinder,
• an electric interconnection of the piston and the rod is provided by the coupling of the piston to the rod in the inner portion of the cylinder, and
• the piston coupled to the rod strikes against the rod guide in an electrically connected state, at a maximum extension when the rod protrudes out of the cylinder.