| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a trim tilt system for ship propulsion machine that absorbs an excessive impact force even when an impact force caused by a collision between an underwater obstacle and a ship propulsion machine is excessive. <P>SOLUTION: In the trim tilt system for ship propulsion machine, an oil path 73B for guiding an inlet 73A communicating with a first tilt chamber 42A of a shock relief valve 73 provided on a tilt piston 71 to a communication path 46 with the first trim chamber at an elongation end of a piston rod 61 is provided on the tilt piston 71. <P>COPYRIGHT: (C)2012,JPO&INPIT |
