US Patent Issued to GUANGZHOU TUSUNNY HOME PRODUCTS on July 15 for "Locking head apparatus of dual automatic locking protective door bar" (Chinese Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,505, issued on July 15, was assigned to GUANGZHOU TUSUNNY HOME PRODUCTS Co. LTD. (Guangzhou, China).

"Locking head apparatus of dual automatic locking protective door bar" was invented by Hongjuan Wang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a locking head apparatus of a dual automatic locking protective door bar. The locking head apparatus includes a housing, a first toggling button, a second toggling button, a sliding seat, a fixation seat, a linkage locking mechanism and a rotating mechanism. A hydraulic rod is mounted inside the fixation seat, and the hydraulic rod is connected to the sliding seat. The second...