US Patent Issued to Manitowoc Crane Cos. on Jan. 20 for "Lift crane with improved movable counterweight" (Wisconsin Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,676, issued on Jan. 20, was assigned to Manitowoc Crane Cos. LLC (Manitowoc, Wis.).

"Lift crane with improved movable counterweight" was invented by David J. Pech (Manitowoc, Wis.), Joseph R. Rucinski (Manitowoc, Wis.), Joel D. Zick (Manitowoc, Wis.), Bronson E. Foust (Manitowoc, Wis.) and Charles E. Wernecke (Manitowoc, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lift crane includes a carbody and movable ground engaging members mounted on the carbody. A rotating bed is rotatably connected to the carbody and includes a counterweight support frame including a rack coupled directly to a lower surface of the rotating bed. A boom is pivotally ...