ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,869, issued on Jan. 27, was assigned to HITACHI CONSTRUCTION MACHINERY Co. LTD. (Tokyo).
"Construction machine" was invented by Daiki Ogawa (Tsuchiura, Japan), Shunsuke Asahi (Kasumigaura, Japan), Hiromitsu Kaniwa (Saitama, Japan), Takuto Sasaki (Kasumigaura, Japan) and Tsukuru Tendo (Kasumigaura, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A working mechanism (8) includes a lower boom (9), an upper boom (10), a middle arm (11), an arm (12), a working tool (13), a working tool cylinder (22), and a link (16). The working tool cylinder (22) is disposed on a lower surface (12B) side of the arm (12), and a cylinder guard (23) is fixed on a firs...