ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,173, issued on Sept. 29, was assigned to ZHEJIANG YIHENGYUE MEDICAL TECHNOLOGY Co. LTD (Taizhou, China).
"Brake apparatus, wheel body assembly and rollator" was invented by Mao Gong (Guangzhou, China) and Yong Li (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a brake apparatus, a wheel body assembly, and a rollator. The brake apparatus comprises a shaft body, a housing, a magnetic induction mechanism and an adjustment mechanism. The housing rotates relative to the shaft body; the magnetic induction mechanism is arranged in the housing to generate resisting force opposite to a rotation direction of the housing or the ...