ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,449, issued on Feb. 17, was assigned to AIR COOL INDUSTRIAL Co. LTD. (Taichung, Taiwan).
"Fan blade installation structure with multiple safety mechanisms" was invented by Ken-Tuan Chen (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fan blade installation structure with multiple safety mechanisms includes a blade holder, a rotating member, and a snap member. The rotating member is pivotally connected to the blade holder through an elastic member. A blade can be inserted and secured to the blade holder through the rotating member. The outside of the blade holder has a guide rail. The snap member is slidably connected to the guide ...