Patents Assigned to Liebher-Hydraulikbagger GmbH
  • Patent number: 7409879
    Abstract: The present invention relates to a construction machine such as an excavator, a crawler-type vehicle, a wheeled loader or the like, comprising at least one interchangeable equipment item which is actuable by means of an electronic control, wherein the control has a control handle, preferably movable through multiple axes, in particular a joystick, for the generation of control commands for the interchangeable equipment item, wherein at least one actuation element is arranged at the control handle whose actuation is sensed by means of a sensor device and is converted into a control signal. In accordance with the invention, the construction machine is characterized in that a dynamometer and/or torque meter is provided as the sensor device which is connected to the actuation element and senses actuation forces and/or actuation torques exerted onto the actuation element.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: August 12, 2008
    Assignee: Liebher-Hydraulikbagger GmbH
    Inventor: Tobias Glatz