To provide a crusher with constitution enabling work efficiency to be increased and maintenance work therefor to be reduced.
The crusher is provided with a self-propelled working machine main body, a working arm attached to the working machine main body and a crushing attachment 9 attached to the working arm. The attachment 9 is provided with a casing 10 to be attached to the working arm, a ram 16 housed in the casing 10 ascendably and descendably, a hydraulic cylinder 20 for driving the ram 16, a chuck device 21 of the ram 16 provided between a lower end of the hydraulic cylinder 20 and the ram 16 and an engagement releasing means 44 which is provided at the casing 10 and releases engagement of the ram 16 with the chuck device 21 by elevation of the ram 16.
COPYRIGHT: (C)2008,JPO&INPIT
| JPS55119448 | HAND CRUSHER |
| JPS5410471 | SELFFPROPELLED CRUSHER |
KOMATA TAKAYUKI
TAKADA TATSUYUKI
HITACHI CONSTRUCTION MACHINERY
| JPS58179363A | 1983-10-20 | |||
| JPS5785490A | 1982-05-28 | |||
| JP349989Z | ||||
| JP2000337309A | 2000-12-05 | |||
| JP21999Z |
| WO2002018054A1 | 2002-03-07 |
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