Three wheel recumbent vehicle

Claim 1

A recumbent vehicle comprising: a. a plurality of tubular members forming a triangulated main frame comprising a rear triangulated frame, a front triangulated frame including a central longitudinal member substantially along the centerline of said vehicle and two longitudinal members substantially parallel to said central longitudinal member whereby lateral restraint is provided during a turn, and a forward frame extension, b. a single rear drive wheel rotably mounted on rear end of said main frame, c. a seat positioned on said main frame forward of said rear drive wheel, d. a steering mechanism comprising: 1. a steering bar rotably mounted on said main frame forward of said seat, 2. a pair of front wheels rotatably mounted to said main frame, 3. a pair of steering arms mounted to said front wheels, 4. a center pivot plate rotably mounted on said main frame with center of rotation of said center pivot plate located substantially in line with center of rotation of said front wheels and halfway between said front wheels, 5. a push rod directly connecting said steering bar and said center pivot plate, 6. a pair of tie rods connecting said center pivot plate and said steering arms, 7. a means for adjusting said steering mechanism whereby the sensitivity adjustment of the steering of said front wheels in response to the turning of said steering bar can be modified, 8. said steering mechanism providing means for improved steering wherein said front wheels are controlled to form different angles which intersect substantially at the center of the turning radius of said vehicle, e. a drive means mounted on said forward frame extension including a front drive sprocket having foot pedals attached thereto, a variable speed driven sprocket affixed to said rear drive wheel, a drive chain connecting said front drive sprocket and said variable speed driven sprocket, and a plurality of idler sprockets mounted to said main frame whereby said drive chain is guided from said front drive sprocket to said variable speed driven sprocket.