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

Claim 8:
9. The variable shape structure of claim 8, wherein
the fourth central coupling point is pivotally coupled to the third central coupling point of the third bend member, wherein
the third one-end coupling point of the third bend member is pivotally coupled to the first one-end coupling point of the first bend member, wherein
the fourth one-end coupling point of the fourth bend member is pivotally coupled to the second one-end coupling point of the second bend member, and wherein
the fourth bend member has the same shape and the same size as those of the first bend member, the second bend member, and the third bend member.