Operation breaking apparatus for construction equipment

摘要

An operation breaking apparatus for construction machine wherein said cutoff bar (21) has a spring core member with a equipment which is capable of improving its controllability. A cutoff bar (21) is arranged to cut off the entryway (20) to an operator cab (17) of the construction equipment. This cutoff bar (21) is operationally linked with a locking mechanism for a hydraulic valve system of the construction equipment. Further, a displacement enlarging mechanism is provided between an operating knob (28) and the cutoff bar (21). <IMAGE>