Land vehicles – Wheeled – Extensible
Patent
1987-11-23
1989-07-04
Marmor, Charles A.
Land vehicles
Wheeled
Extensible
280647, 280650, 280658, B62B 708
Patent
active
048445045
ABSTRACT:
A folding push-chair comprises two side chassis assemblies 6, each including a main support arm 8 linked to a front strut 9 and a rear strut 10. Each main support arm 8 lies parallel to the front strut 9 and cooperates therewith in a sliding manner, between an outward position when the push-chair is opened-out and a retracted position when collapsed, the rear strut 10 being coupled to the main support arm 8 and to the front strut 9 so that, during the relative sliding movement, the rear strut moves between a collapsed position in which it is closed against the main support arm and the front strut, and an opened-out position, in which it is in an active position, able to support the push-chair.
REFERENCES:
patent: 4386790 (1983-06-01), Kassai
patent: 4412688 (1983-11-01), Giordani
patent: 4412689 (1983-11-01), Lee
patent: 4428598 (1984-01-01), Kassai
patent: 4449732 (1984-05-01), Surot
Ampafrance S.A.
Culbreth Eric
Marmor Charles A.
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