US 12,304,606 B2
Outboard motor and marine vessel
Takuma Matsunaga, Shizuoka (JP); and Tomohiro Hagi, Shizuoka (JP)
Assigned to YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka (JP)
Filed by YAMAHA HATSUDOKI KABUSHIKI KAISHA, Iwata (JP)
Filed on Apr. 11, 2022, as Appl. No. 17/717,191.
Claims priority of application No. 2021-071154 (JP), filed on Apr. 20, 2021.
Prior Publication US 2022/0332400 A1, Oct. 20, 2022
Int. Cl. B63H 20/12 (2006.01); B63H 20/00 (2006.01); B63H 20/10 (2006.01)
CPC B63H 20/12 (2013.01) [B63H 20/001 (2013.01); B63H 20/10 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An outboard motor comprising:
an outboard motor body;
a steering shaft;
a steering cylinder including:
a piston rod extending in a right-left direction of the outboard motor body;
a piston fixed to the piston rod; and
a cylinder body including an oil chamber and the piston therein;
an oil passage inside the piston rod and connected to the oil chamber;
a swivel bracket attached to the outboard motor body and rotatable in an upward-downward direction; and
a clamp bracket fixable to a hull and attached to the swivel bracket such that the swivel bracket is rotatable in the upward-downward direction; wherein
the steering cylinder is operable to rotate the steering shaft and the outboard motor body in the right-left direction by adjusting an amount of oil in the oil chamber and moving the cylinder body in the right-left direction; and
the steering cylinder is rotatably attached to the clamp bracket.