US Patent Issued to Northeastern University on July 14 for "Ultra-large bottom opening and closing type three-dimensional loading apparatus and test method" (Chinese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,926, issued on July 14, was assigned to Northeastern University (Shenyang City, China).

"Ultra-large bottom opening and closing type three-dimensional loading apparatus and test method" was invented by Xiwei Zhang (Shenyang City, China), Xiating Feng (Shenyang City, China), Qinghe Zhu (Shenyang City, China) and Lei Shi (Shenyang City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an ultra-large bottom opening and closing type three-dimensional loading apparatus and a test method. The apparatus comprises a horizontal reaction frame, a vertical reaction frame, a sample bearing lifting walking beam, lifting cylinders, a reaction sup...