发明名称 WEIGHT SELECTION METHODS AND APPARATUS
摘要 An exercise dumbbell (100) has at least one weight selector (160) that is rotatable into engagement with various combination of weights (227-229) at opposite ends of the handle (120). On a first embodiment, first and second weight selectors (160) are rotatably mounted on opposite ends of a bar (120) for independent rotation relative to the handle (120). On a second embodiment, first and second weight selectors (560) are keyed to a common bar (510) and rotated together therewith relative to the handle (510).
申请公布号 WO03089070(A1) 申请公布日期 2003.10.30
申请号 WO2003US11542 申请日期 2003.04.15
申请人 KRULL, MARK, A. 发明人 KRULL, MARK, A.
分类号 A63B21/072;A63B21/075;(IPC1-7):A63B21/072;A63B21/08;A63B21/06;A63B21/062 主分类号 A63B21/072
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