| 摘要 |
To monitor a plough for pick loss, in particular for loss of its base picks, a sensor (proximity switch) sensing the presence of the pick is arranged according to the invention on the pick holder, which sensor, to indicate the pick loss, is coupled to an indicating device via a transmission system, preferably via a high-frequency coupling with the use of a transmitter arranged on the plough and at least one receiver arranged at the face, preferably in the drive area of the plough unit.
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