Patent ID: 7216886
Filing Date: 2007-05-15
Classification: B60D

Abstract:
1. Trailer coupling for motor vehicles, comprising; a bearing element having a receiving member, a towing element having a bearing member, said towing element being pivotable in relation to the bearing element about a pivot axis of a pivot bearing between an operative position and a rest position and displaceable in a direction of displacement parallel to the pivot axis between a pivoting position and a fixing position at least in the operative position, the bearing member engaging in said receiving member at least in the fixing position, the bearing member being movable in relation to said receiving member between the pivoting position and the fixing position in the direction of displacement and vice versa, and a fixing device for fixing the towing element in position on the bearing element so as to be unmovable at least in the operative position and upon reaching the fixing position, said fixing device having a blocking device blocking the bearing member with respect to any movement in the direction of displacement relative to the receiving member, said blocking device having at least one blocking member arranged on one of the elements and movable from a release position in a direction of a blocking position acted upon by a force and at least one blocking surface arranged on the other one of the elements, and said blocking member engaging behind said blocking surface in the blocking position.