US Patent Issued on Jan. 13 for "Crankshaft slider type drive mechanism and a tongue sucking masturbation cup and peristaltic anal plug" (Chinese Inventor)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,304, issued on Jan. 13.

"Crankshaft slider type drive mechanism and a tongue sucking masturbation cup and peristaltic anal plug" was invented by Shiwen Jia (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a crankshaft slider type drive mechanism and a tongue sucking masturbation cup and peristaltic anal plug, which are controlled and driven by a PCBA circuit board, and a reduction motor provides power and drives the crankshaft transmission mechanism to rotate. The crankshaft of the crankshaft transmission mechanism will make reciprocating movements up and down in sequence through a slider that cooper...