发明名称 WORKING MACHINE
摘要 PURPOSE: A working machine is provided to secure smooth manipulation feeling of an operator gripping a handle without uncomfortable feeling caused by the heat of a shaft. CONSTITUTION: A working machine comprises a primary operating device(7) and a secondary operating device(8). The primary operating device comprises a pilot valve(14), a decoration cover(30), a shaft, a grip(10), a boot(13), and a shaft cover(12). The pilot valve generates pilot pressure. The decoration cover covers the pilot valve. The shaft is protruded through a slit and controls the pilot valve. The grip is installed in the upper portion of the shaft. The boot covers some portion of the shaft located the lower portion of the decoration cover. The shaft cover is connected to the grip and the decoration cover. The shaft cover covers the shaft portion between the grip and the boot. The secondary operating device is composed equal to the primary operating device.
申请公布号 KR20120092011(A) 申请公布日期 2012.08.20
申请号 KR20120002370 申请日期 2012.01.09
申请人 HITACHI CONSTRUCTION MACHINERY CO., LTD. 发明人 TAKAHASHI EI;ISAKA WATARU;KOMATSU KAZUNORI
分类号 E02F9/20;G05G25/04 主分类号 E02F9/20
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