US Patent Issued to HANGZHOU JOYSING IMP&EXP on Nov. 3 for "Mop capable of fixing mopping cloth by push and pull" (Chinese Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,374, issued on Nov. 3, was assigned to HANGZHOU JOYSING IMP&EXP Co. LTD (Hangzhou, China).

"Mop capable of fixing mopping cloth by push and pull" was invented by Xing Hong (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mop capable of fixing mopping cloth by push and pull is provided. By arrangement of a protection frame, an inner wall groove, a movable column, elliptical holes, an outer convex bar, a column body with an elliptical section, and a helical twisted part, when a mop rod is manually extended downwards to drive the movable column to move downwards, a connecting column with an I-shaped section can be driven to rotate, so t...