Patent ID: 11884099
Assignee: FUJIMIYASEISAKUSHO CO., LTD.
Field: Furniture, games (Other fields)
Classification: CPC A  B  E  F | IPC A  B  F

Claim 5:
6. The variable shape structure of claim 1, comprising:
a plurality of cross units each including a first arm and a second arm that are crossed in an X shape, at an intersection of which both the arms are pivotally coupled, the cross units adjacent to each other being pivotally coupled together at the cross units ends, wherein
each of the first arm and the second arm comprises the first bend member, the second bend member, the third bend member, and the fourth bend member, wherein
the third bend member is pivotally coupled at the third one-end coupling point to the first one-end coupling point of the first bend member, and wherein
the fourth central coupling point is pivotally coupled to the third central coupling point of the third bend member.