ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,239, issued on Nov. 25, was assigned to NAKAMURA Co. LTD. (Tokyo).
"Caster" was invented by Akira Nakamura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A caster whose overall height can be reduced. A caster includes a wheel, a wheel support portion having a plate shape provided with an opening where the wheel is disposed and rotatably supporting the wheel, and a swivel mechanism portion that holds an outer peripheral portion of the opening in the wheel support portion in a horizontally swivelable manner."
The patent was filed on Sept. 2, 2022, under Application No. 18/689,491.
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