1997-12-19
1999-06-15
Trettel, Michael F.
Beds
Crib
Folding
5 931, 5 982, A47C 900
Patent
active
059116536
ABSTRACT:
The present invention relates to a foldable playpen which comprises a main frame constructed of top articulated bars and upright bars, which is provided with a covering to form an enclosure so that a baby can be left to play therewithin. The primary feature of the present invention resides in that the main frame includes a bottom sub-frame structure pivotably mounted at the bottom of the main frame. The bottom sub-frame structure includes at least first, second, third and fourth bottom side-bars, and a folding mechanism. The first, second, third and fourth bottom side-bars are arranged in a pivotingly foldable relationship with the folding mechanism, whereby the present invention can be conveniently folded into a compact package when it is not in use or extended to an erect enclosure for allowing a baby to play therewithin.
REFERENCES:
patent: 2164484 (1939-07-01), Wolfe
patent: 2590129 (1952-03-01), Sawaya
patent: 2620490 (1952-12-01), Bruce
patent: 3967331 (1976-07-01), Glassman
patent: 5384925 (1995-01-01), Vail
patent: 5530977 (1996-07-01), Wang
patent: 5699997 (1997-12-01), Huang
patent: 5730542 (1998-03-01), Cheng
patent: 5752283 (1998-05-01), Arens
Conley Fredrick
Trettel Michael F.
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