CPC A63B 21/075 (2013.01) [A63B 21/0724 (2013.01); A63B 21/0728 (2013.01)] | 17 Claims |
1. An adjustable weight lifting device, comprising:
a tube;
wherein the adjustable weight lifting device includes:
a cylindrical member disposed in the tube, the tube and the cylindrical member being rotatable relative to each other and axially fixed relative to each other;
a first housing having an axially inner portion nonrotatably attached to the tube at a first end of the tube and an axially outer portion nonrotatably attached to the cylindrical member at a first end of the cylindrical member, and
a second housing having an axially inner portion nonrotatably attached to the tube at a second end of the tube and an axially outer portion nonrotatably attached to the cylindrical member at a second end of the cylindrical member.
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