| 摘要 |
PURPOSE: A seesaw apparatus is provided, which enables one person as well as more than two persons to play seesaw without opponents. CONSTITUTION: A seesaw apparatus comprises: a pillar(10) fixed in the surface; a support plate(20) installed on the pillar; an elastic member(30) installed on the support plate; a seesaw bar(40) of which the central part is installed on the elastic member and which makes flexible seesaw movement possible; and a rotating member(50) in which the support plate, elastic member, and seesaw bar are rotated in the limited range. The elastic member includes: a square case; a rhomboid core; and four rubber round rods. |
