US Patent Issued to Ningbo Zhenfei Decorated Curtain on Sept. 30 for "Automatic descending structure of roller shade fabric and manually operated roller shade" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,907, issued on Sept. 30, was assigned to Ningbo Zhenfei Decorated Curtain Co. Ltd. (Yuyao, China).

"Automatic descending structure of roller shade fabric and manually operated roller shade" was invented by Jiefei Lu (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are an automatic descending structure for roller shade fabric and a manually operated roller shade. The automatic descending structure for roller shade fabric includes: a roller shade controller for controlling lifting and lowering the roller shade fabric, the roller shade controller includes a roller shade drum and a first housing and a second housing arranged op...