| 摘要 |
<p num="1">An improved two wheeled reciprocating pedal driven scooter 10 has a frame 11 including a steering assembly attached to the frame 11, a front steering wheel 2 attached to a front axle 3 attached to the steering assembly 12 at the frame 11, a rear drive wheel 4 attached to a rear axle 18 attached to a rear portion of the frame 11 and a drive mechanism 20 for rotating the rear drive wheel 4. The drive mechanism 20 has a pair of reciprocating foot pedals 22R, 22L straddling each side of the frame 11, attached to and extending to a forward proximal hinge attachment location 50 on the frame 11. Each of the foot pedals 22R, 22L has a short portion 23 and an intersecting long portion 21 forming a bend at the intersection wherein an included angle ? between the short and long portions is 90 degrees or greater. The attachment location 24 of the foot pedal 22L, 22R to a coupling 32 of the drive mechanism 20 is at or near the intersection forming the bend of the short and long portions of each foot pedal. The proximal hinge location 50 is vertically located on the frame a distance "Y" at or above the center of a drive axle 18. The short portion 23 of the pedal 22L or 22R extends a distance "Z" from the proximal hinge location 50 to the intersection of the long portion 21 and short portion 23 of the foot pedal to form the bend wherein the bend is located at or below the frame 11. In use, when the long portion 21 of one foot pedal is at the bottom of the foot pedal stroke it is substantially horizontal while the long portion 21 of the other pedal 22L or 22R is at the top of the stroke and is inclined to a maximum stroke angle a of less than 30 degrees, preferably 28 degrees.
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