发明名称 AQUATIC STEP EXERCISE APPARATUS
摘要 <p>Step exercise apparatus (10) primary intended for use in an aquatic environment such as a pool or the like. The apparatus includes a step platform (11) maintained in elevated relation above a foundation surface by a pair of support members (12). The apparatus has a specific gravity greater than one so as to sink within a body of water, and slots (23) extend through the platform to prevent entrapment of air bubbles when the platform is placed in a pool. Handles (36) in the sides and ends of the apparatus assist the user in manipulating the apparatus while exercising in the water. Removable extension feet (43) selectively increase the step distance between the platform and the pool bottom or other foundation surface on which the apparatus rests.</p>
申请公布号 WO1993023118(A1) 申请公布日期 1993.11.25
申请号 US1993004526 申请日期 1993.05.12
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