US2005277498A1PendingUtilityA1
Gymnastic ball
Est. expiryJun 9, 2024(expired)· nominal 20-yr term from priority
Inventors:Sung-Yeng Chen
A63B 43/02A63B 41/125A63B 65/06
19
PatentIndex Score
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Claims
Abstract
A gymnastic ball is constructed to have a spherical rubber wall, an inflatable inner tube mounted inside the spherical rubber wall, and two rubber handles adhered to and vulcanized with the spherical rubber wall, each rubber handle having a rigid support embedded therein to reinforce the structural strength.
Claims
exact text as granted — not AI-modified1 . A gymnastic ball comprising a ball body and at least one handle fastened to said ball body, wherein said ball body comprising a spherical rubber wall, an inflatable inner tube mounted inside said spherical rubber wall, and an air valve extended from said inflatable inner tube to the outside of said spherical rubber wall for enabling the user to drive forced air into said inflatable inner tube to inflate said inflatable inner tube; said at least one handle is respectively molded from raw rubber and adhered to said spherical rubber wall and vulcanized with said spherical rubber wall, each said handle having a rigid support embedded therein.
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