Patent ID: 6371891
Filing Date: 2002-04-16
Classification: A63B,B62M,Y10T

Abstract:
A pedal driven device comprising:a generally trapezoidal frame with a diagonal frame member; at least one forward wheel mounted between a pair of front forks; at least one rearward drive wheel; a left and an opposite right handlebar communicating with said at least one forward wheel; and an adjustable pedal drive mechanism including: a lateral pedal arm plate bushing affixed across said diagonal frame member; a left side and an opposite right side pedal arm plate assembly affixed to one another and pivotally secured to said frame through said pedal arm plate bushing, each said plate assembly including a pedal arm attachment point, and a separate bushing attachment point for pivotally securing each said plate assembly to said pedal arm plate bushing of said frame; a left and an opposite right pedal arm, pivotally attached to said pedal arm attachment point respectively of said left and said right plate assembly and having a reciprocating arcuate travel path relative thereto comprising a generally forward and opposite rearward stroke; a rear wheel hub having a left and a right side; a first and a second one way drive means disposed to each said side of said rear wheel hub, with each said first and said second one way drive means accepting rotary force and engaging with said rearward drive wheel in a first direction of rotation, and rotating freely and disengaging from said drive wheel in a second direction of rotation opposite said first direction of rotation; and a left and an opposite right tension member respectively extending from said left and said right pedal arm and generally across each corresponding said plate assembly to the respective said first one way drive means, and incorporating tensioning means for each said tension member and returning to the respective said second one way drive means, thence returning to said corresponding said plate assembly, for transmitting power from each said pedal arm to said rear wheel hub during said forward and said rearward stroke of each said pedal arm.