Cleaning device for a web-like or rib-like contact element (contact blade) of a car-body skid for a plant for cathodic dip electropriming, which comprises at least one cleaning element resiliently engageable on the contact blade and moving relative thereto, wherein for simple, careful and effective removal of impurities from the contact blade the cleaning element is knife-like or spatula-like in design and is displaceable along the contact blade over its entire length in the longitudinal direction of the contact blade.