Beds – Crib – Folding
Reexamination Certificate
2002-01-16
2003-06-03
Luu, Teri Pham (Department: 3673)
Beds
Crib
Folding
C005S093100, C005S108000, C005S105000
Reexamination Certificate
active
06571408
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to playpen and more particularly to an improved oscillatory device in the lower corner members of a collapsible playpen.
A playpen is indispensable for a family to raise a baby, especially a collapsible playpen which is readily to make a compact volume to collect and keep is welcomed public. A typical collapsible playpen
10
(as shown in
FIG. 1
) is combined with four upper corner members
11
, four lower corner members
12
, four posts
13
respectively secured to the upper and lower corner members
11
and
12
, four upper transverse rods or rails
14
respectively pivoted to the upper corner members
11
and four lower transverse rods
15
respectively pivoted to the lower corner members
12
. Each of the transverse rods
14
and
15
has a collapsible adapter
16
and
17
at a center. So that the playpen is collapsible. However, the lower corner members are stable this type of collapsible playpen is not oscillatory.
SUMMARY OF THE PRESENT INVENTION
The present invention has a main object to provide an improved oscillatory device for a collapsible playpen by which the collapsible playpen is readily oscillated or fixed not to oscillate.
Another object of the present invention is to provide an improved oscillatory device for a collapsible playpen which is operated by foot of the user who needs not to squate or to bow his body.
Further object of the present invention is to provide an improved oscillatory device for a collapsible playpen in which a safety device is provided to present the playpen to drop down even that the baby inadvertently touches the pedal.
Accordingly, the improved oscillatory device for a collapsible playpen comprises generally a collapsible playpen having four modified lower corner members each of which has a receiving space for receiving an improved oscillatory device. The improved oscillatory devices each has a hollow interior base, a pedal member, a resistance member and a suspending member disposed inside the base which a controlled by the pedal member to decide whether or not the improved oscillatory device is oscillated.
The present invention will become more fully understood by reference to the following detailed description thereof when read in conjunction with the attached drawings.
REFERENCES:
patent: 5956786 (1999-09-01), Huang
patent: 6026524 (2000-02-01), Barger
patent: 6158067 (2000-12-01), Cheng
patent: 6341394 (2002-01-01), Wang
patent: 6349434 (2002-02-01), Zhuang
patent: 6438773 (2002-08-01), Hsia
patent: 6470515 (2002-10-01), Hsia
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