| 摘要 |
PROBLEM TO BE SOLVED: To enhance the effect of preventing interference between an attachment and a cabin in a critical section, by making an operator conscious of performing a stop processing release operation and preventing an erroneous operation. SOLUTION: This interference prevention unit is equipped with a controller 15 for stopping the dangerous side motion of the attachment when the working attachment intrudes into the critical section, and a release switch 19 which serves as a momentary switch for releasing stop processing performed by the controller 15. The standby state of the release of the stop processing is brought about when an off-operation is performed after the on-operation of the release switch 19 is performed after the stop processing. The stop processing is released when the on-operation of the release switch 19 is further performed by the time a preset grace time has elapsed since this state. COPYRIGHT: (C)2009,JPO&INPIT
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