ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,167, issued on Jan. 20, was assigned to KOKI HOLDINGS Co. LTD. (Tokyo).
"Working machine" was invented by Takahiro Hirai (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A working machine includes a striking unit, an ejection unit, and a supply unit. The ejection unit ejects a nail, struck by the striking unit, to a lower side along a virtual axis extending in an up-down direction. The supply unit is on a back side relative to the ejection unit. The ejection unit has an end surface at a lower end portion. The end surface has flat, receded, and cutout portions. The flat portion is on a front side relative to the axis, and extends to sur...