Toy vehicle with track and roller drive train

Details Toy vehicle with track and roller drive train Toy vehicle with track and roller drive train

1991-03-22

1993-05-04

Focarino, Margaret A.

Land vehicles

Wheeled

Occupant propelled type

280253, 74 48, B62M 104

Patent

active

052074420

ABSTRACT:
A toy vehicle for a child includes a track and roller drive train for propelling the vehicle. Each of a pair of pedal arms is pivotally mounted at its forward end and has a split track mounted at the rear end thereof which rides on a roller mounted on either side of the axle. As the pedal arms are reciprocated by a rider, the tracks drive the rollers and axle with the gap between ramps of the track allowing the track to straddle the axle at the bottom of each stroke. The track may be generally curvilinear, or compound angled to balance the torque generated by each stroke in either the forward or rearward direction, and to also provide a smoother driving action through substantially 180.degree. of axle rotation with each stroke.

REFERENCES:
patent: 594980 (1897-12-01), Booth et al.
patent: 2108868 (1938-02-01), Rumsey
patent: 4258485 (1981-03-01), Gof
patent: 4880249 (1989-11-01), Gray et al.

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