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:
May. 15, 2007
Filed:
Feb. 09, 2006
Yoshihide Takano, Shizuoka, JP;
Yoshihide Takano, Shizuoka, JP;
Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka-Ken, JP;
Abstract
The present invention discloses an engine device for motorcycles in which a starter motor for transmitting drive force to a crankshaft through a reduction gear train can be disposed closer to the crankcase. The engine has a starter motor with a motor shaft, a crankshaft, and a reduction gear train for transmitting drive force of the starter motor to the crankshaft. The reduction gear train includes first gears supported for rotation on the first support shaft disposed parallel to the motor shaft of the starter motor, second gears supported on the second support shaft disposed parallel to the first support shaft, third gears supported on the generator shaft disposed parallel to the second support shaft, and a starter gear provided on the crankshaft disposed parallel to the generator shaft. The motor shaft of the starter motor is located closer to the generator shaft than the first support shaft.