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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||50/991 ; 50/981 ; 50/931 ; 256/025|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 8 인용 특허 : 1|
A supporting structure for play yard includes a top frame, a bottom frame and at least three support posts mounted between the top frame and the bottom frame to define an interior cavity. Each of the support posts includes a frame post having an adjustment base axially affixed to a bottom end of the frame post. Each of the adjustment bases has a threaded upper shank and an enlarged base turner. To assemble the supporting structure, penetrate each of the support posts through a threaded adjusting hole of a respective holding joint of the bottom frame unti...
[ What is claimed is:] [1.] A supporting structure adapted to construct with a boundary shelter to form a play yard, comprising:a ring-shaped top frame which comprises at least three head joints and three top construction posts, each of said head joints comprising two connecting ends and a tubular head sleeve integrally connecting between said two connecting ends and having a bottom opening, wherein each of said top construction posts is connected between two of said head joints by respectively connecting two ends of each of said top construction posts t...