초록 ▼

An improved foldable base for a playpen includes a first pair of side rails pivotally connected to a first side joint and a second pair of side rails pivotally connected to a second side joint. A pair of T-shaped joints are situated between the pairs of rails. A center joint is located in a center o

An improved foldable base for a playpen includes a first pair of side rails pivotally connected to a first side joint and a second pair of side rails pivotally connected to a second side joint. A pair of T-shaped joints are situated between the pairs of rails. A center joint is located in a center of the playpen and has an outer and an inner joint members pivotally connected with each other. Two pairs of bars are provided, each pair of the bars pivotally connected with one of the respective T-shaped joints and with two of the respective side rails. Two linking rods are also provided, each pivotally connected at an end thereof with one of the respective T-shaped joints and secured at an opposing end thereof to one of the respective joint members of the center joint.

대표청구항 ▼

[ What is claimed is:] [1.] An improved foldable base for a playpen comprising:a first pair of side rails having a first side joint centrally and pivotally connected therebetween;a second pair of side rails having a second side joint centrally and pivotally connected therebetween;a pair of T-shaped

[ What is claimed is:] [1.] An improved foldable base for a playpen comprising:a first pair of side rails having a first side joint centrally and pivotally connected therebetween;a second pair of side rails having a second side joint centrally and pivotally connected therebetween;a pair of T-shaped joints situated between said pairs of rails;a center joint having an outer joint member, an inner joint member pivotally connected with said outer joint member, locking means for preventing and allowing rotation of said outer joint member and said inner joint member in relation to each other, a latch member provided with a latch tongue for facilitating said latch member to extend into said inner joint member and a foot member extending from the inner joint member and is arranged to provide support for the playpen against a surface;two pairs of bars, each pair of said bars having one of said T-shaped joints pivotally connected therebetween and being pivotally connected with said pairs of side rails via ears provided with a pair of wings extending therefrom for receiving an end of said bar therebetween;two linking rods each fixedly connected at an end thereof with one of said T-shaped joints and fixedly secured at an opposing end thereof to said inner joint member and said outer joint member, respectively, of said center joint;wherein a pivotal movement between said inner joint member and said outer joint member facilitates folding of said base.