US Patent Issued to HARMONIC DRIVE SYSTEMS on July 15 for "Space rolling bearing and space strain wave gearing device" (Japanese Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,710, issued on July 15, was assigned to HARMONIC DRIVE SYSTEMS INC. (Tokyo).

"Space rolling bearing and space strain wave gearing device" was invented by Yoshihide Kiyosawa (Azumino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wave bearing of a space strain wave gearing device comprises an inner ring formed from a bearing steel, an outer ring formed from a martensitic stainless steel, and balls formed from ceramics. On the inner ring formed from a bearing steel, a ceramic coating formed by an AD method is formed as a rust-preventive coating. In the space strain wave gearing device that adopts solid lubrication (powder lubrication), it is ...