ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,956, issued on June 10.

"Abdominal exercise wheel" was invented by Quncou Ding (Yongkang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An abdominal exercise wheel includes a base provided with a pair of upwardly curved grip rods. The base is provided with three groups of pulley assemblies at a lower part of the base. The pulley assemblies are triangularly distributed below the base. A position of the pulley assemblies enables the pulley assemblies to support the base more stably while reducing side-turn over during use. Each pulley assembly includes a pulley seat and a pulley rotatably connected onto the pulley seat. The base is provided wit...