发明名称 Amphibious foldable treadmill
摘要 An amphibious foldable treadmill includes: a main frame having at least a wheel rotatably mounted on a base of the main frame to be rolled on a ground floor or on a pool bottom, a tread belt device pivotally secured to the main frame and unfolded from the main frame to be laid on the floor or pool bottom for treading operation, and a hand rail device pivotally secured to the main frame and pivotally connected with the tread belt device, whereby upon folding of the hand rail device and the tread belt device to the main frame, the treadmill can be folded for convenient handling, moving, launching in a pool or landing on the ground floor from the pool for successfully serving as an amphibious treadmill.
申请公布号 US7291096(B2) 申请公布日期 2007.11.06
申请号 US20050182044 申请日期 2005.07.15
申请人 HO HELEN;HO DIANA 发明人 HO HELEN;HO DIANA
分类号 A63B22/02 主分类号 A63B22/02
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