Dual propulsion tricycle

Claim 1

A tricycle comprising: a frame, a seat mounted on said frame, a fork swivelably mounted on the fore end of said frame, a front wheel axled in the free ends of said fork, a handle bar fixedly mounted on said fork for steering said tricycle, pedal means comprising a pair of pedals rotatably mounted on a rotatable axle mounted in suitable bearings in said frame, means for mounting in axial alignment a pair of wheels at the aft end of said frame, said means comprising a pair of coaxially aligned tubular members, means rigidly interconnecting said tubular members to hold the inner ends of said tubular members in axially spaced position, means on the outer end of one of said tubular members arranged to be fixed to one end of the bearing axle of one of said pair of wheels to support said one of said pair of wheels in operative position, an axle shaft journaled in the other of said tubular members having an inner end projecting into said space between the inner ends of said tubular members, a drive sprocket fixed to said inner end of said axle shaft adapted to be driven by a regular bicycle chain connected to a sproCket on said axle of said pedal means, a driving flange fixed on the outer end of said axle shaft arranged to be fixed to peripheral teeth of a drive sprocket of a standard coaster-brake to support the coaster-brake on the other of said pair of wheels, a direct current motor mounted on said frame, a battery mounted on said frame, switch means interconnecting said battery to said motor to actuate same, drive means interconnecting said motor and said bearing axle of said one of said wheels to rotatably drive said one of said wheels, and means for selectively driving said one of said wheels by said motor.