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Construction machine and operation state management system for the same

  • US 9,792,737 B2
  • Filed: 09/30/2014
  • Issued: 10/17/2017
  • Est. Priority Date: 09/30/2014
  • Status: Expired due to Fees
First Claim
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1. A construction machine comprising:

  • a cumulative value storage device configured to store a cumulative value in which an amount of operation of the construction machine is accumulated and have an adjustment function to the stored cumulative value, the cumulative value storage device comprising a memory;

    a user input device for adjusting the cumulative value by rewriting the cumulative value stored in the cumulative value storage device at a present moment;

    an adjustment existence determining unit configured to determine, based on the cumulative value rewritten by the user input device, whether the cumulative value has been adjusted, the adjustment existence determining unit comprising a processor; and

    a communication terminal configured to communicate with a management apparatus outside the construction machine and transmit adjustment information indicating that at least the cumulative value has been adjusted to the management apparatus when the adjustment existence determining unit has determined that the adjustment has been performed,wherein when the cumulative value storage device obtains a correction request instruction to correct the cumulative value to a value specified by the management apparatus from the management apparatus, the cumulative value storage device corrects the cumulative value stored in the cumulative value storage device to the specified value, andwherein after the cumulative value storage device obtains the correction request instruction, the cumulative value storage device corrects the cumulative value to the specified value after a key switch of the construction machine has been turned OFF and turned ON again.

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