Land vehicles – Wheeled – Extensible
Reexamination Certificate
1999-07-19
2001-02-27
Mar, Michael (Department: 3619)
Land vehicles
Wheeled
Extensible
C280S062000, C280S030000, C280S648000, C280S047180, C297S130000
Reexamination Certificate
active
06193263
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a seat positioning frame of a stroller. More particularly, the present invention relates to a seat positioning frame of a stroller which can be disposed on a stroller stably.
A conventional stroller has a large seat which is not suitable for a small baby. It is dangerous to place a small seat on the conventional stroller if the small seat cannot be fastened on the conventional stroller stably.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a seat positioning frame which can be disposed on a stroller stably.
Another object of the present invention is to provide a seat positioning frame which can be detached from a stroller easily.
Accordingly, a stroller comprises two handle push rods, two front wheel support rods, two rear wheel support rods, two base rods, and two pivot joints. Each of the pivot joints is connected to the respective handle push rod, the respective front wheel support rod, and the respective rear wheel support rod. A seat positioning frame is disposed on the stroller. The seat positioning frame comprises a transverse frame and a longitudinal frame. The longitudinal frame and the base rods are fastened by connectors. The transverse frame has two transverse pipes, two transverse tubes, and four T-shaped joints. Each of the T-shaped joints is connected to the respective transverse pipe and the respective transverse tube. The transverse pipes and the handle push rods are fastened by two fasteners. The longitudinal frame has two longitudinal rods connected to one of the transverse tubes, two connectors, and two insertion devices. Each of the connectors is inserted in a bottom of the respective longitudinal rod. Each of the connectors has a protruded end and a through hole formed on the protruded end. Each of the insertion devices has a generally U-shaped wire and a plug connected to the generally U-shaped wire. The plug is inserted through the respective through hole and a through aperture of the respective base rod.
REFERENCES:
patent: 2425688 (1947-08-01), Schulte
patent: 2961248 (1960-11-01), Meyers
patent: 4620711 (1986-11-01), Dick
patent: 5695212 (1997-12-01), Hinkston
patent: 5842713 (1998-12-01), Barnes et al.
patent: 5934757 (1999-08-01), Smith
patent: 6036220 (2000-03-01), Zhen
patent: 6053525 (2000-04-01), Lin
Mar Michael
Phan Hau
LandOfFree
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