Land vehicles – Wheeled – Extensible
Patent
1997-01-28
1998-12-08
Johnson, Brian L.
Land vehicles
Wheeled
Extensible
280649, 403 93, B62B 706, F16D 300
Patent
active
058459251
ABSTRACT:
A safety device for a stroller includes a first member with a first disk and a second disk which is pivotally connected to the first disk of the first member. The first member is connected to a segment of the stroller and the second disk has a connecting bar connected to another segment of the stroller. A torsion spring is disposed between the first member and the second disk with one end of the torsion spring connected to the first member and the other end of the torsion spring connected to the second disk. The first member has a first protrusion extending laterally from the first disk, the second disk having a second recess defined therein so as to receive the first protrusion therein. The first member has an extending portion extending laterally therefrom which has a first recess defined therein so as to receive a second protrusion extending radially from the second disk therein. A lever extends from the extending portion and has a stop extending laterally therefrom such that when the stroller is to be folded, the second protrusion passes the stop by pushing the lever and the torsion spring facilitates easy folding of the stroller.
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patent: 5524503 (1996-06-01), Ishikura
patent: 5620272 (1997-04-01), Sheng
Avery Bridget
Johnson Brian L.
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