ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,111, issued on Aug. 19, was assigned to HITACHI CONSTRUCTION MACHINERY Co. LTD. (Tokyo).
"Work machine" was invented by Taro Akita (Tsuchiura, Japan), Shota Ishida (Tsukuba, Japan), Mitsuhiko Kanehama (Kasumigaura, Japan) and Ryohei Fukuchi (Tsukuba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a work machine capable of appropriately switching between prevention of the degradation in a ride quality caused by an inertial force generated in braking of a hydraulic actuator and a work using the inertial force. In the work machine, under a condition where an operation device has been operated from an operation position toward a neutra...