Three-wheel vehicle and concentric intermediate sprocket assembly therefor
First Claim
1. A three-wheel vehicle, comprising:
- a frame;
an engine supported by the frame;
a pair of front wheels supported by the frame;
a single rear wheel;
a swing arm, the swing arm rotatably supporting the rear wheel at a first end and pivotally connected to the frame at a second end at a pivot point;
a concentric sprocket assembly attached to the frame at the pivot point, the concentric sprocket assembly including a first sprocket and a second sprocket;
a first transmission member operatively connecting an output shaft of the engine and the first sprocket; and
a second endless flexible transmission member operatively connected between the rear wheel and the second sprocket.
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0 Petitions
Accused Products
Abstract
A three-wheel vehicle has two forward steered wheels and one rear powered wheel operatively connected to an engine disposed on a frame assembly. A straddle-type seat is disposed between the forward and rear wheels. A rear swing arm is pivotally connected at a first end to the frame at a pivot point and rotatably supports the rear wheel at a second end. A concentric sprocket assembly having first and second sprockets is attached to the swing arm at the pivot point. A transmission member operatively connects an output shaft of the engine and the first sprocket and a second endless flexible transmission member is operatively connnected between the rear wheel and the second sprocket. An eccentric endless flexible transmission member tension adjustment mechanism is attached to the swing arm to move the concentric assembly sprocket relative to a longitudinal axis of the swing arm.
128 Citations
20 Claims
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1. A three-wheel vehicle, comprising:
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a frame;
an engine supported by the frame;
a pair of front wheels supported by the frame;
a single rear wheel;
a swing arm, the swing arm rotatably supporting the rear wheel at a first end and pivotally connected to the frame at a second end at a pivot point;
a concentric sprocket assembly attached to the frame at the pivot point, the concentric sprocket assembly including a first sprocket and a second sprocket;
a first transmission member operatively connecting an output shaft of the engine and the first sprocket; and
a second endless flexible transmission member operatively connected between the rear wheel and the second sprocket. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A three-wheel vehicle, comprising:
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a frame;
an engine supported by the frame;
a pair of front wheels supported by the frame;
a single rear wheel;
a swing arm, the swing arm rotatably supporting the rear wheel at a first end and pivotally connected to the frame at a second end at a pivot point;
a concentric sprocket assembly attached to the frame at the pivot point, the concentric sprocket assembly including a sprocket and a pulley;
a first endless flexible transmission member operatively connecting an output shaft of the engine and the pulley; and
a second endless flexible transmission member operatively connected between the rear wheel and the second sprocket. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification