Patent ID: 7571659

Claim:
A starting apparatus of a small-sized engine comprising: a cylindrical cam having a cam claw engaged with a centrifugal ratchet of a pulley fixed to a crankshaft of an engine; and a drive gear connected to the cylindrical cam by a damper spring at an inner portion of a starter case, the cylindrical cam being coaxially arranged with the drive gear, wherein the drive gear is connectable to a rope reel engaged therewith and disengaged therefrom by ratchet claws formed at respective side faces thereof, and wherein the drive gear is connectable to an output shaft gear of a cell motor by at least two reduction gears, a first one of the reduction gears engageable with the drive gear including a small diameter gear portion and a large diameter gear portion arranged coaxially, wherein side faces of the small diameter gear portion and the large diameter gear portion are opposed to each other and are formed with engaging claws engaged with each other only in one direction, and wherein the small diameter gear portion and the large diameter gear portion are axially urged into contact with each other via a spring acting on one of the small diameter gear portion and the large diameter gear portion.