A motorcycle similar to a Harley-Davidson motorcycle that has a very rigid frame that does not twist and flex appreciably while rapidly accelerating and turning at high speeds of sixty miles per hour and greater. Both front and rear wheels remain in close alignment during acceleration and at high sp
A motorcycle similar to a Harley-Davidson motorcycle that has a very rigid frame that does not twist and flex appreciably while rapidly accelerating and turning at high speeds of sixty miles per hour and greater. Both front and rear wheels remain in close alignment during acceleration and at high speeds for improved performance, when traveling in a straight line and when turning. The motorcycle has the engine drive sprocket and the transmission driven sprocket on the left side of the motorcycle, and the drive chain, drive chain sprocket and transmission drive gear mounted on the right side of the motorcycle. The transmission is separate from the engine and drives a chain drive to the rear wheel on the right side of the motorcycle, and the distance between the driven shaft of the transmission and the drive shaft of the engine minimized, providing the strength and flex resistance to absorb large quantities of torque and horsepower because of the capability of providing both greater housing support at the drive shaft's outermost point and an outermost bearing support system as well.
대표청구항▼
[ What is claimed is:] [1.] In a motorcycle having an exposed two-cylinder air-cooled engine, said motorcycle having a front wheel and a rear wheel, said motorcycle having a mainframe to which is a front wheel assembly with handlebars is rotatably connected and to which a rear wheel assembly is pivo
[ What is claimed is:] [1.] In a motorcycle having an exposed two-cylinder air-cooled engine, said motorcycle having a front wheel and a rear wheel, said motorcycle having a mainframe to which is a front wheel assembly with handlebars is rotatably connected and to which a rear wheel assembly is pivotally connected, the improvement comprising:a. a rigid, generally rectangular mainframe includingi. a single rigid tubular backbone having a generally horizontal portion having a front end and a rear end, and a generally vertical portion having an upper end and a lower end, said rear end of said generally horizontal portion being rigidly connected to said upper end of said generally vertical portion, said generally vertical portion having a connection cylinder rigidly connected thereto near said lower end of said generally vertical portion,ii. a single rigid tubular downtube having an upper end and a lower end, said upper end of said downtube being rigidly connected to said front end of said generally horizontal portion of said tubular backbone,iii. an engine support cradle having a front end and a rear end, said front end of said engine support cradle being rigidly connected to said lower end of said downtube and said rear end of said engine support assembly being rigidly connected to said lower end of said generally vertical portion of said backbone, said engine support cradle having an engine support member having a front end and a rear end, the front end of said engine support member being rigidly connected to said lower end of said downtube and the rear end of said engine support member being rigidly connected to said lower end of said vertical portion of said backbone,b. a two cylinder air cooled engine rigidly connected to said engine support cradle and to said horizontal portion of said backbone, said engine having a generally horizontal drive shaft located on the left side of said engine, said horizontal drive shaft having a first sprocket connected thereto,c. a transmission connected to said engine and to said connection cylinder, said transmission being located adjacent to said engine and inside said mainframe, said transmission having a generally horizontal driven shaft on the left side of said engine, said generally horizontal driven shaft of said transmission being parallel to said drive shaft of said engine, said horizontal driven shaft having a second sprocket connected thereto, said horizontal driven shaft being driven by a belt rotatably connecting said first sprocket to said second sprocket, said first sprocket and said second sprocket being covered by a plate rigidly connected to said engine and said transmission and to said connection cylinder, said transmission having a drive shaft on the right side of said transmission for driving a chain connected to said rear wheel of said motorcycle, said drive shaft on the right side of said engine being covered by a plate rigidly connected to said transmission and to said connection cylinder, andd. a rear wheel support assembly pivotally connected to said connection cylinder, said rear wheel support assembly having two parallel swingarms, each of said swing arms having a front end and a rear end, the front ends of each of said two parallel swingarms being pivotally connected to said connection cylinder, said rear wheel being rotatably connected to each of said rear ends of said parallel swingarms.
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이 특허에 인용된 특허 (5)
Crenshaw Rodney D. (4103 Sapling La. Augusta GA 30906) Goffe Bobby E. (2227 Killebrey Ave. Augusta GA 30906) Masters John V. (315 Berckman Rd. Augusta GA 30906), Motorcycle engine stabilizer.
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