Land vehicles – Wheeled – Extensible
Patent
1983-06-06
1985-03-26
Bertsch, Richard A.
Land vehicles
Wheeled
Extensible
280 4737R, B62B 708, B62B 714
Patent
active
045069077
ABSTRACT:
A baby carriage which essentially comprises a pair of wheeled front legs, a pair of wheeled rear legs, sliders having said front legs pivoted thereto and slidable along said rear legs, transverse rods pivoted at one end to said rear legs, rear bars having the other ends of said transverse rods pivoted thereto, rocker bars pivoted at the opposite ends to said rear legs and rear bars, rear rods pivoted at one end to said rocker bars, L-shaped levers pivoted to said rear legs between the mounting points of said rocker bars and rear wheels, pull bars pivoted to said levers and sliders, connector bars pivoted to said front legs and said rear legs between the mounting points of said rocker bars and rear wheels, intersecting pipes pivoted to said sliders and rear legs and each other in intermediate portions of said pipes, and a pusher bar.
REFERENCES:
patent: 2401342 (1946-06-01), Eckhardt
patent: 2872203 (1959-02-01), Hedstrom
patent: 2951708 (1960-09-01), Kujala
patent: 4007947 (1977-02-01), Perego
patent: 4132429 (1979-01-01), Woods
patent: 4248443 (1981-02-01), Ohlson
patent: 4353577 (1982-10-01), Giordani
Bertsch Richard A.
Zojirushi Baby Co., Ltd.
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