US Patent Issued to Kawasaki Jukogyo on April 22 for "Arm robot" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,497, issued on April 22, was assigned to Kawasaki Jukogyo K.K. (Kobe, Japan).

"Arm robot" was invented by Takuya Kawata (Kobe, Japan), Masato Yamamoto (Kobe, Japan), Norihisa Tatsuta (Kobe, Japan) and Akinori Takagi (Kobe, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wrist of an arm robot includes a first motor, a first speed reducer, a second motor, a transmission shaft, and a second speed reducer. The first motor is arranged at a base and generates a first rotational drive force to rotate a first distal portion. The first speed reducer is arranged at the first distal portion, includes a hollow portion, and reduces a rotational speed of th...