The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 23, 2016
Filed:
Dec. 19, 2014
Applicant:
Yamaha Hatsudoki Kabushiki Kaisha, Iwata-shi, Shizuoka, JP;
Inventors:
Daisuke Nakamura, Shizuoka, JP;
Yoshihito Fukuoka, Shizuoka, JP;
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H 20/32 (2006.01); B63H 20/00 (2006.01); B63H 20/14 (2006.01); F16H 57/04 (2010.01);
U.S. Cl.
CPC ...
B63H 20/002 (2013.01); B63H 20/14 (2013.01); F16H 57/043 (2013.01); F16H 57/0409 (2013.01); F16H 57/0486 (2013.01);
Abstract
A vessel propulsion apparatus includes a drive shaft that is rotationally driven by a prime mover, a drive gear connected to the drive shaft, a front gear that engages the drive gear, a rear gear that engages the drive gear and that is disposed behind the front gear, a dog clutch that selectively engages one of the front gear and the rear gear, and an oil passage that passes through the inside of the front gear and that guides oil from a forward space in front of the front gear to a rearward space behind the front gear.