ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,790, issued on March 18, was assigned to YUEQING ORIGINALITY PHOTOGRAPHY EQUIPMENT Co. LTD. (Yueqing, China).
"Quick-locking softbox chuck and softbox" was invented by Qingyuan Chen (Yueqing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quick-locking softbox chuck is disclosed, including: an umbrella disc seat having an annular shape and a lower surface thereof being provided with at least two through grooves; a plurality of first support seats and second support seats movably connected to the umbrella disc seat; a locking unit having a locked state in which the second support seat is unfolded with respect to the umbrella disc seat, and a...