ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,551, issued on July 14, was assigned to Zhongshan Shengyi Electric Appliance Co. Ltd. (Zhongshan, China).
"Fan blade quick installation structure and a fan using the same" was invented by Yonghong Fu (Zhongshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a fan blade quick installation structure, comprising a turntable and a fan blade body, the periphery of turntable is provided with a slot, and the slot side of turntable is provided with a movable locking device having an operating portion that extends out of the turntable, the locking device has a tendency to enter the slot to approach the fan blade body, t...