US Patent 11473267 Construction machine

A construction machine includes an upper frame, a machine room structure that is disposed on the upper frame and defines a machine room, a hood that has a box shape, has a lower surface, and is connected to the machine room structure so as to be disposed above the machine room, the lower surface including a hood opening communicating with the machine room, and at least one reinforcement plate that is interposed between the machine room structure and the hood to reinforce connection between the machine room structure and the hood. An outer end portion of the reinforcement plate extends further outward in a left-right direction than the beam member of the machine room structure.