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Traveling control equipment of construction machine

  • US 5,529,134 A
  • Filed: 03/16/1995
  • Issued: 06/25/1996
  • Est. Priority Date: 09/22/1992
  • Status: Expired due to Fees
First Claim
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1. A traveling control equipment suitable for use with a construction machine having a hydraulic pump, left and right traveling hydraulic motors, and control valves arranged in hydraulic lines connecting the hydraulic pump and the traveling hydraulic motors together, said traveling control equipment comprising:

  • a palm rest;

    a mechanism for selectively holding said palm rest at neutral, forward, and rearward positions;

    a position detector for providing a position signal responsive to a position of said palm rest;

    a traveling pedal;

    a control input detector for providing a pedal control signal responsive to a control input via said traveling pedal;

    a left traveling knob and a right traveling knob;

    a left control input detector for providing a left control input signal responsive to a control input via said left traveling knob;

    a right control input detector for providing a right control input signal responsive to a control input via said right traveling knob; and

    a controller for receiving said position signal, said pedal control signal, said left control input signal and said right control input signal, and outputting to said control valves forward or rearward speed signals for the left and right traveling hydraulic motors.

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