公开(公告)号：US20180058033A1

公开(公告)日：2018-03-01

申请号：US15447383

申请日：2017-03-02

申请人： Hitachi Construction Machinery Tierra Co., Ltd.

发明人： Takashi HIGUCHI ,  Kouhei MAEDA ,  Tomoyuki TANAKA ,  Junya KAWAMOTO

IPC分类号： E02F3/32 ,  E02F9/18 ,  E02F9/22 ,  E02F9/20 ,  E02F9/16

CPC分类号： E02F3/325 ,  E02F3/384 ,  E02F9/16 ,  E02F9/163 ,  E02F9/18 ,  E02F9/2004 ,  E02F9/22 ,  E02F9/2267 ,  G05G1/30

摘要： A floor support frame (8) is provided with a left side pilot valve (21). The left side pilot valve (21) is provided with a left side operating pedal (23) that is foot-operated. The left side operating pedal (23) is configured of a first foot board (26) that is mounted on the left pilot valve (21) to be rotatable in an upper-lower direction, a shaft (27) that is mounted in a rear portion of the first foot board (26), and a second foot board (28) that is mounted through the shaft (27) on the first foot board (26) to be rotatable in a horizontal direction. The second foot board (28) is rotatable between a storage position of overlapping the first foot board (26) and a use position of being rotated in the rear side of the first foot board (26). An operation regulating mechanism (29) is provided in the front side of the first foot board (26) to be engaged to the second foot board (28) when the second foot board (28) is rotated to the storage position to regulate a foot operation.