| 摘要 |
A junction ball for connecting two passageways in a modular playground at any desired angle utilizing two rotatably interlocking hollow half spheres having one access port each. The halves are adapted to be fitted together, rotated to produce the proper angle, and locked into place. A single half may be used for terminating a passageway in conjunction with a viewing dome. The modular half spheres are preferably molded in one piece from plastic. The spherical view port is preferably constructed from polycarbonate. These components are supported by and mounted into a standard pipe structure consisting of pipe and assorted clamps.
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