| 摘要 |
PURPOSE: A jump play equipment is provided to allow an elevation seat to go down toward the ground while repeatedly rising and falling for giving pungent thrill and joy to passengers. CONSTITUTION: A jump play equipment consists of a post(100), an elevation seat(200), and a weight balance(300). The post of specific height is vertically installed on the ground. The post has a wire rope for raising and lowering an elevation carrier, and a hydraulic cylinder. The elevation seat is formed with the elevation carrier having a roller(211) on the rear surface thereof. The elevation seat is repeatedly raised and lowered from the highest position to the ground. The weight balance comprising a hydraulic tank(310), a hydraulic pump(311), and a nitrogen tank(312) is firmly positioned to the post. The hydraulic pump is used to supply working fluid to the hydraulic cylinder or to withdraw the working fluid from the hydraulic cylinder. When the working fluid is supplied to the hydraulic cylinder, the elevation seat is raised to the highest position. The elevation seat is repeatedly raised and lowered according to a predetermined program.
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