Land vehicles – Wheeled – Coasters
Reexamination Certificate
1999-08-31
2001-06-12
Mai, Lanna (Department: 3619)
Land vehicles
Wheeled
Coasters
C280S649000, C297S005000, C248S407000, C248S431000
Reexamination Certificate
active
06244606
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a fixing safety-control device for a collapsible child walker, which is provided with a pressing article and a stopping board to fix the seat structure in a certain height, and more particularly to the fixing safety-control device with innovative features which can let the seat structure keep a safe distance from the base member so as to prevent a user's hands from being clamped when a child walker being collapsed.
2. Description of the Related Art
Referring to
FIG. 1
, a conventional child walker is generally composed by a base member
10
, a connection structure
20
and a seat structure
30
. When being collapsed, the catch board
301
of the seat structure
30
is pressed to make the catch portion
302
separate from the ratchet
303
, as shown in
FIGS. 2 and 3
, so as to make the sliding article
201
of the connection structure
20
be forced to slide along the sliding groove
101
of the base member
10
so that the seat structure
30
will rapidly fall down to rest against the base member
10
. Because of no safety-control device, when the seat structure
30
being forced to fall down, a user's hands are often clamped and hurt, as shown in FIG.
4
.
SUMMARY OF THE INVENTION
Therefore, the present invention is directed to a fixing safety-control device for a collapsible child walker that substantially obviates the drawback of the related conventional art.
An object of the present invention is to provide a fixing safety-control device which can fix the sliding article of the connection structure against the stopping surface of the stopping board when the seat structure of a child walker being collapsed.
Another object of the present invention is to provide a fixing safety-control device which can fix the seat structure in a certain height to keep a safe distance from the base member so as to prevent a user's hands from being clamped when a child walker being collapsed.
Yet another object of the present invention is to provide a fixing safety-control device whose pressing article can be pressed to make the stopping board separate from the sliding article to let a child walker be collapsed safely and successfully.
Accordingly, to achieve these advantages, a fixing safety-control device for a collapsible child walker in the present invention is composed by a pressing article and an integral stopping board. On a proper section of one reinforcing rib in the bottom of the base member is provided with a crooked groove. The inserting strip provided on one end of the stopping board is inserted into the crooked groove to be fixed, and then the pressing article is penetrated through the sliding groove of the base member to let the front head be inserted into the hole of the stopping board so as to be in a fixed position. When the seat structure being collapsed, the sliding article of the connection structure will be stopped against the stopping surface of the stopping board and fixed so as to keep a safe distance from the base member to prevent a user's hands from being clamped. At last, the pressing article is pressed to let the stopping board separate from the sliding article, and by the elasticity of the hook, the child walker can be collapsed successfully and safely.
REFERENCES:
patent: 4045045 (1977-08-01), Boucher et al.
patent: 4433869 (1984-02-01), Payne et al.
patent: 4759541 (1988-07-01), Chen
patent: 5324064 (1994-06-01), Sumser et al.
patent: 5351978 (1994-10-01), Chen
patent: 5564724 (1996-10-01), Huang
patent: 5820527 (1998-10-01), Lai
Mai Lanna
Restifo Jeffrey J.
Rosenberg , Klein & Lee
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