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US 2019/0168061 A1Published application
Doorway squat and calves workout system
OwnerAnton Bioninventor
Life of this patent
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Abstract
The system of the present invention includes elastic bands that are affixed and inserted within elastic band insertion slots that are disposed on a u-shaped frame and a rectangular-shaped frame. The squatting motion the user performs on the present invention activates the expansion and retraction of the elastic bands, which exerts resisting force upon the user, simulating weights.
Claims20
A doorway workout system comprising:
- a pair of first frame members each having two frame insertion openings for slidably receiving two second frame members and a doorway base coupled to the second frame members.
Dependencies are inferred from the claim text.