US Patent Issued to TADANO on May 13 for "Work machine" (Japanese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,085, issued on May 13, was assigned to TADANO LTD. (Kagawa, Japan).

"Work machine" was invented by Manato Shirai (Kagawa, Japan), Kazu Nagahama (Kagawa, Japan) and Masahide Zushi (Kagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The work machine includes: a telescoping actuator that moves a first boom in the telescoping direction with respect to a second boom; an electrical drive source that is disposed in a movable portion of the telescoping actuator; a first connection mechanism that switches a connection state between the telescoping actuator and the first boom on the basis of the power of the electrical drive source; a second connect...