Arrangemmmment In Control Device of Work Machine
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United States of America Patent
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Issued Date -
Apr 1, 2010
app pub date -
Feb 8, 2007
filing date -
Feb 14, 2006
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Abandoned
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Abstract
A method for removing impurities from a control device of a work machine and a control device. The control device (1) comprises a trackball (4), from which impurities are flushed away. Flushing medium and impurities collected below the trackball are led along a discharge channel outside the control device. The entry of impurities into a component space comprising electronics is prevented. The discharge channel has a collecting cup for collecting impurities and leading them by means of a hose to a connecting part that has a conical mating surface for receiving the hose.
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