ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,124, issued on Oct. 14, was assigned to Ningbo Lesli Industry Co. Ltd. (Ningbo, China).
"Tensioning adjusting mechanism for drum" was invented by Jianrong Le (Ningbo, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The provided is a tensioning adjusting mechanism for a drum, which includes a front plate, a rear plate, a base, a drum, a supporting seat, a motor frame, a motor, a tension spring and a synchronous belt. The base is connected between a bottom of the front plate and a bottom of the rear plate; the drum is rotatably connected between the front plate and the rear plate and located above the base; the supporting seat is disposed on the ...