Patent ID: 7762933
Filing Date: 2010-07-27
Classification: A63B

Abstract:
1. A weight-adjustable kettle-shaped dumbbell, comprising: a body, having a space at a bottom thereof; one or more weight pieces, stacked in the space of the body, each of the weight pieces having a selection portion; and a selector unit, disposed in the body, by adding the weight pieces with the selection portion to changing the connection of the body and the weight pieces, wherein the body comprises a pair of extending portions, each of the extending portions being formed with slots at an inner side thereof; each of the weight pieces being formed with a pair of notches, the selection portion being disposed at an inner end of each notch; the selector unit comprising an operating member disposed on the top of the body, the operating member being connected with a linking member, the linking member having two ends each connected with a cable member, the cable member having a terminal extending downward along a track in a relative extending portion of the body; each of the extending portions being provided with a plurality of selection boards close to an inner side of a relative cable member, each of the selection boards being formed with an inclined plane at an outer side thereof and a selection end at an inner side thereof, the selection end facing a relative notch.