CPC A63B 71/0036 (2013.01) [A45F 3/18 (2013.01); A63B 21/0724 (2013.01); A45F 2003/003 (2013.01)] | 20 Claims |
1. A method for lifting a barbell to remove or add weight plates to an end portion of the barbell, the method comprising:
assembling a barbell jack assembly by coupling a bottle to a bottle lid having a barbell jack device;
wedging the barbell jack assembly between the barbell and a ground surface wherein a distance between a first and a second contact points is greater than a first height distance of the barbell to the ground surface, the first contact point defined by the barbell jack assembly and the barbell, the second contact point defined by the barbell jack assembly and the ground surface, and, the first height distance defined by a radius of the weight plate;
while maintaining a position of the first contact point, rotating the barbell jack assembly and the barbell around the second contact point to lift the barbell to a second height distance greater than the first height distance; and
removing or adding weight plates to the end portion of the barbell.
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