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公开(公告)号：US11453997B2
公开(公告)日：2022-09-27
申请号：US16652820
申请日：2019-01-22
Applicant: KOMATSU LTD.
Inventor： Kenji Ohiwa , Tomohiro Nakagawa , Ryuji Kanda
Abstract: A work implement includes a breaker. Sensors detect an attitude of the work implement. A pilot valve controls the operation of the breaker. A controller controls the pilot valve. The controller detects, from the attitude of the work implement obtained by the sensors, a distance between a tip of the breaker and a striking limit. When it is determined that the tip of the breaker has reached the striking limit, the controller controls the pilot valve to stop the operation of the breaker.
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