ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,383, issued on Oct. 14, was assigned to NINGBO SOMLE AUDIO-VISUAL TECHNOLOGY Co. LTD (Ningbo, China).
"Device rack with braking function" was invented by Liming Tao (Ningbo, China) and Bin Wang (Ningbo, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device rack with a braking function includes a base, a column tube, a mounting member, a plurality of universal rolling members and a brake member telescopically and movably arranged to form the device rack with a braking release state and a braking state. The base achieves centered braking on the support surface by controlling the linked brake member, which facilitates a user to adjust operating...