Annular fitness ball

Details Annular fitness ball Annular fitness ball

2007-12-11

2007-12-11

Amerson, Lori (Department: 3764)

Exercise devices

Support for entire body of user

C482S140000

Reexamination Certificate

active

11415499

ABSTRACT:
As annular fitness ball has an annular body and an annular air-filled space that is placed inside the annular body. The annular body has an annular surface and a central hole is designed on the external side of the annular body. The cross-sectional diameter of the annular air-filled space must be larger than the cross-sectional diameter of the central hole. Protruding ears extend outwardly from opposite sides of the annular body. Pull strings extend through holes formed in the producing ears.

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