US Patent Issued to Zhejiang Zuojian Industry and Trade on Dec. 2 for "Adjustable dumbbell and dumbbell kit" (Chinese Inventor)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,306, issued on Dec. 2, was assigned to Zhejiang Zuojian Industry and Trade Co. Ltd. (Jinhua, China).

"Adjustable dumbbell and dumbbell kit" was invented by Zhaohong Yu (Yongkang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A novel adjustable dumbbell and a dumbbell kit are provided, the adjustable dumbbell includes a dumbbell body, the dumbbell body includes a dumbbell grip rod, and dumbbell shells sleeved on two ends of the dumbbell grip rod and connected to the two ends of the dumbbell grip rod; one or more dumbbell pieces installed on the dumbbell body, each of the dumbbell pieces is provided with one or more dumbbell grooves; and an adju...