Land vehicles – Wheeled – Extensible
Patent
1996-02-15
1997-12-09
Camby, Richard M.
Land vehicles
Wheeled
Extensible
280650, 280 62, 301111, B62B 706
Patent
active
056952120
ABSTRACT:
A three-wheeled jogging stroller with demountable wheels, a removable cloth-like seat and a collapsible frame assembly. The frame assembly includes a primary structural rear axle assembly having a member of an enlarged diameter tubular construction with couplers at opposite ends thereof for supporting demountable or removable large diameter spoked wheel pneumatic tires with the axles thereof canted so that the wheels are downwardly divergent relative to the ground. The rear axle assembly has pivotally coupled thereto a pair of upright support members and a fork assembly. A pair of generally parallel fork members support the removable front wheel at one end thereof, while at the other end, the fork members are pivotally coupled to the rear axle member by means so that the pivotable coupling is displaced, or offset, a given distance from the axis of the rear axle member so that, on folding, the fork and the upright support members are generally parallel to one another. The handlebar assembly includes a first generally U-shaped handlebar member and a second tubular portion including first and second tubes having first ends thereof pivotally coupled to support members attached at the forward end of the fork, the other ends of each of the tubes being fixedly coupled to an interconnect member, to which is pivotally couples the upper U-shaped handlebar portion which includes handle gripping material thereabout. The seat is releasably attached to the frame assembly to that the center of gravity of an infant is over the rear axle, while the handlebar assembly lies in a plane generally in line with the axis of the front wheel.
REFERENCES:
patent: B297525 (1988-09-01), Baechler
patent: 5188389 (1993-02-01), Baechler et al.
patent: 5299825 (1994-04-01), Smith
patent: 5356171 (1994-10-01), Schmidlin et al.
Camby Richard M.
Roberts Edward E.
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