US Patent Issued to Guangdong Sirui Optical on Sept. 1 for "One trigger activation retraction or extension of a photographic equipment" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,705, issued on Sept. 1, was assigned to Guangdong Sirui Optical Co. Ltd. (Zhongshan, China).

"One trigger activation retraction or extension of a photographic equipment" was invented by Jie Li (Zhongshan, China) and Zhiwu He (Zhongshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A one-touch operation support frame comprises an installation platform, multiple support legs, and an operating handle. Each support leg includes: a leg head end seat; a multi-section leg tube with axial telescoping capability from outer to inner; a leg tube locking assembly for securing or releasing the multi-section leg tube; a transmission shaft assembly rotatab...