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    • 3. 发明授权
    • Adjustable dumbbell and system
    • 可调哑铃和系统
    • US06228003B1
    • 2001-05-08
    • US09042755
    • 1998-03-17
    • Patrick J. HaldWilliam T. DaleboutF. Troy Miller
    • Patrick J. HaldWilliam T. DaleboutF. Troy Miller
    • A63B21075
    • A63B21/0728A63B21/00065A63B21/075
    • A weight lifting system features (i) one or more weights; and (ii) a weightlifting bar configured to selectively engage the one or more weights. A weight of the present invention has an upstanding first end, an upstanding second end, and a cross member extending therebetween. Each of the first and second ends of the weight has an aperture therein. The weight lifting bar features (i) a handle having opposing ends; and (ii) a mechanism for selectively attaching each end of the handle to a corresponding end of the weight when the handle is disposed between the first end and second end of the weight. The mechanism for selectively attaching each end of the handle to a corresponding end of the weight preferably includes: (i) a pinion gear rotatably disposed within a channel of the handle; (ii) a first rod movably disposed within the channel; and (iii) a second rod movably disposed within the channel. Each rod has teeth formed along a length thereof which engage the pinion gear. By selectively moving one of the rods, the user manually advances both rods through opposing ends of the handle. Thus, the rods pass through the apertures in the first and second ends of the weight, removably coupling the weight to the handle.
    • 举重系统具有(i)一个或多个重量; 和(ii)配重杆,其构造成选择性地接合所述一个或多个重物。 本发明的重量具有直立的第一端,直立的第二端和在它们之间延伸的横向构件。 重物的第一和第二端中的每一个在其中具有孔。 举重杆具有(i)具有相对端的手柄; 以及(ii)当所述把手设置在所述重物的第一端和第二端之间时,用于选择性地将所述手柄的每个端部附接到所述重物的相应端部的机构。 用于选择性地将手柄的每个端部附接到配重的相应端部的机构优选地包括:(i)可旋转地设置在手柄的通道内的小齿轮; (ii)可移动地设置在所述通道内的第一杆; 和(iii)可移动地设置在通道内的第二杆。 每个杆具有沿其长度形成的齿,其啮合小齿轮。 通过选择性地移动杆中的一个,用户通过手柄的相对端手动地将两个杆推进。 因此,杆穿过重物的第一和第二端中的孔,将重物可拆卸地连接到手柄。