Joints and connections – Articulated members – Lockable at fixed position
Patent
1998-08-12
2000-07-04
Browne, Lynne H.
Joints and connections
Articulated members
Lockable at fixed position
403329, 403 92, 5 991, A47D 700
Patent
active
060829222
ABSTRACT:
A foldable joint for a playpen comprises a seat having two spaced apart side plates one of which defines holes respectively in both end and an integral connecting plate; two tubes respectively pivotally mounted on the end of the seat by a pivot, each having a first aperture and second aperture defined therein; and two U-shaped trips respectively disposed in the tubes, each having a first lug being inserted through the first aperture of the tube and the hole of the side plate, and a second lug being inserted through the second aperture of the tube; whereby, the tubes can be folded upward when the first lugs are pressed inward.
REFERENCES:
patent: 4247216 (1981-01-01), Pansini
patent: 5560055 (1996-10-01), Ziegler
patent: 5590974 (1997-01-01), Yang
patent: 5611634 (1997-03-01), Wang
patent: 5803650 (1998-09-01), Wu
patent: 5906013 (1999-05-01), Wang
Browne Lynne H.
Cottingham John R.
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