Patent Number: 6,169,948

Title: Front control system, area setting method and control panel for construction machine

Abstract: A setting device for a front control system for a construction machine includes a direct setting switch for instructing a direct teaching setting, a numeral input key consisting of up- and down-keys for instructing a numeral input setting, a setting changeover switch for changing over a setting mode from the direct teaching setting to the numeral input setting, an LED lighting up when the setting changeover switch is pushed, an area limiting switch for starting an area limiting excavation control, an LED lighting up when the area limiting switch is pushed, and a display screen for indicating the position of a bucket end of a front device in terms of a numeral value when the setting changeover switch is not pushed, and indicating the numeral value input with the numeral input with the numeral input setting when the setting changeover switch is pushed.

Inventors: Fujishima; Kazuo (Ibaraki-ken, JP), Watanabe; Hiroshi (Ushiku, JP), Haga; Masakazu (Ibaraki-ken, JP), Nakagawa; Takashi (Ibaraki-ken, JP)

Assignee: Hitachi Construction Machinery Co., Ltd.

International Classification: E02F 9/26 (20060101); E02F 9/20 (20060101); E02F 3/43 (20060101); E02F 3/42 (20060101); E02F 003/00 ()

Expiration Date: 01/02/2018