Land vehicles – Wheeled – Stable vehicles – handle-propelled
Reexamination Certificate
1999-08-25
2001-03-06
Swann, J. J. (Department: 3611)
Land vehicles
Wheeled
Stable vehicles, handle-propelled
C280S650000, C280S047371, C016S110100, C016S421000, C016S430000
Reexamination Certificate
active
06196562
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a push device of a stroller. More particularly, the present invention relates to a push device of a stroller which is reinforced.
Referring to
FIGS. 4 and 5
, a conventional push device of a stroller has a push rod
9
, an upper portion of the push rod
9
inserted in a handle
91
, and two rivets
92
fastening the handle
91
and the upper portion of the push rod
9
together. Since the handle
91
is made of plastics, the strength of the handle
91
will be weakened after a long period of usage.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a push device of a stroller which can be reinforced.
Another object of the present invention is to provide a push device of a stroller which can be assembled without rivets.
Accordingly, a push device of a stroller comprises an upper casing, a generally L-shaped sleeve, and a generally L-shaped rod having a distal arm and a proximal arm. The distal arm of the generally L-shaped rod has two through apertures. The upper casing has an interior, a periphery flange, and two hollow posts. Each of the hollow posts has a recess hole. The generally L-shaped sleeve has a distal portion and a proximal portion. The proximal portion of the generally L-shaped sleeve has a through hole. The distal portion of the generally L-shaped sleeve has a groove, a periphery recess, two protruded bars, and a bottom corrugation. The proximal arm of the generally L-shaped rod is inserted through the respective through hole of the proximal portion of the generally L-shaped sleeve until the distal arm of the generally L-shaped rod is inserted in the groove of the distal portion of the generally L-shaped sleeve. The upper casing covers the distal arm of the generally L-shaped rod until the periphery flange of the upper casing engages with the periphery recess of the distal portion of the generally L-shaped sleeve. Each of the protruded bars is inserted through the respective through aperture and inserted in the respective recess hole.
REFERENCES:
patent: 2483307 (1949-09-01), Wheary, Jr.
patent: 2987149 (1961-06-01), Finkelstein
patent: 3873117 (1975-03-01), Perego
patent: 5008970 (1991-04-01), Tsai
patent: 5299475 (1994-04-01), Stroop
patent: 5475896 (1995-12-01), Wang
patent: 5579556 (1996-12-01), Chung
patent: 6119309 (2000-09-01), Lu
Swann J. J.
Zeender F.
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