ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,805, issued on Oct. 28, was assigned to KOMATSU LTD. (Tokyo).
"Work machine" was invented by Masaho Yamaguchi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An environment-friendly work machine is provided. A work implement includes a boom supported by a vehicular body frame, an arm coupled to the boom, and an attachment coupled to the arm. A boom foot pin rotatably couples the boom to the vehicular body frame. An arm motor is supported by the vehicular body frame. The arm motor generates drive force that moves the arm relatively to the boom. A motive power transmission apparatus mechanically transmits drive force generated by the arm motor t...