Patent ID: 11969617
Assignee: nan
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 4:
5. The exercise device (90) of claim 1, wherein the center stopper (302) comprises a connecting edge (336) the connecting edge in flexible attachment to two halves of the center stopper, with the two halves of the of center stopper defining a center void, with the center void containing the stretched region (332) of the elastic resistance member (301) to retract and push apart the two halves of the center stopper (302) along said connecting edge (336), wherein when the center stopper (302) is disposed inside the center tube (204), an added force on the elastic resistance member (301) is obtained by the center stopper (302) closing on the elastic resistance member and wherein the center stopper comprises tooth protrusions (335) for retaining the stretched section of the elastic resistance member (301).