US Patent Issued to HITACHI ASTEMO on Aug. 25 for "Disc brake and planetary gear speed reduction mechanism" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,413, issued on Aug. 25, was assigned to HITACHI ASTEMO LTD. (Ibaraki, Japan).

"Disc brake and planetary gear speed reduction mechanism" was invented by Hiroshi Shigeta (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A disc brake includes a planetary gear speed reduction mechanism. A first sun gear of the planetary gear speed reduction mechanism in the disc brake includes a cylindrical supporting portion configured to rotatably support a second sun gear, an annular wall portion facing another gear at a distance away in an axial direction of the other gear, and a reaction force receiving portion disposed to overlap with the other ge...