| 摘要 |
A jungle gym is provided which has a base frame group where three cubic frames are formed continuously in a y axis direction by pluralities of pipes provided in an x, y and z axis directions, and a plurality of ungle gym joints each including a joint main body and a rotary member and where the rotary member is connected rotatably to the joint main body so as to form a folding portion which can be folded in one direction within an angular extent of 90 degrees, and the pipes in the y and z axis directions are connected to the joint main bodies, while the pipes in the x axis direction are connected to end portions of the rotary members lying opposite to end portions where the folding portions are formed, all the folding portions being rotated in the same direction. |
