ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,767,273, issued on Oct. 20.
"Snowmobile transmission" was invented by Sergey Vladimirovich Koynov (Saint-Petersburg, Russia).
According to the abstract* released by the U.S. Patent & Trademark Office: "Snowmobile transmission, including a housing with a cover, an input shaft and an output shaft arranged inside the housing, and a chain transmission drive including a chain connecting a drive sprocket arranged on the input shaft to a driven sprocket arranged on the output shaft, a reverse gear axle about which a reverse gear sprocket freely rotates also arranged inside the housing, the reverse gear sprocket engaging with the chain, and a reverse gear engaging with a movable gear arrange...