Patent ID: 6360836
Filing Date: 2002-03-26
Classification: B62B

Abstract:
An add-on drive assembly for a stroller having a U-shaped frame defined by a rear axle having an idler wheel at either end, a pair of spaced upright side elements connected to the axle, and a bridging element spaced above the axle and connected to the respective side elements, the assembly comprising:a. a planar generally rectangular chassis having a forward edge having pivot connectors adapted to connect to the axle, and a distal edge mounting an electric motor having a horizontal drive shaft parallel to the forward edge with a drive spur gear extending outward from the chassis, b. a controllable electric power source adapted to be supported by the stroller and electrically connected to the motor, c. a horizontal drive wheel shaft mounted on the distal edge of the chassis, d. a drive wheel mounted on an end of the drive wheel shaft, the drive wheel having an internal ring gear meshing with the spur gear, e. a support strut pivotally connected at one end to the distal edge of the chassis and the other end adapted to be connected to the U-shaped frame above the axle.