Problem to be solved: to provide a multistage annular elastic body capable of controlling the conformation by continuous bending deformation by the elastic part and the discrete torsion rotation by the joint part.The multi-stage annular elastic body 1 comprises a plurality of elastic portions 100, each of which is elastically deformable, and a plurality of joint parts 200, each of which has a rotary hinge mechanism, and an elastic portion 100 and a joint part 200 are alternately coupled together The whole body is an elastic elastic body.Diagram【課題】弾性部による連続的な曲げ変形と関節部による離散的なねじり回転とによって立体配座の制御を可能とする多節環状弾性体を提供する。【解決手段】多節環状弾性体1は、各々が弾性変形可能な複数の弾性部100と、複数の関節部200とを備え、複数の関節部200の各々は、回転ヒンジ機構を有し、弾性部100と関節部200とが交互に連結されて全体として環状の弾性体をなしている。【選択図】図1
