|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||701/050 ; 180/062 ; 37/348|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 8 인용 특허 : 8|
There are provided with an electric motor driven by a battery, a hydraulic pump driven by the electric motor, a proximal actuator for actuating a working member by working oil from the hydraulic pump, a hydraulic motor for moving a working machine body, and an operating lever which can be operated between a neutral position and an operating position. There are provided with a control valve capable of cutting off a supply of working oil to the proximal actuator in a state where operating lever is positioned at an operating position, and a battery capacity...
[ We claim:] [1.] A battery-driven working machine comprising:a working machine body;a battery mounted on said working machine body;an electric motor mounted on said working machine body and driven by electric power from said battery;a hydraulic pump mounted on said working machine body and operated by said electric motor;an actuator operated by working oil discharged from said hydraulic pump to operate a working member provided on said working machine body;a working machine moving means for moving said working machine body by electric power from said ba...