(under subclass 242) Device wherein a connecting means is provided which has means to disconnect a towed object or to otherwise reduce the pulling force acting through the connecting means when the force exceeds a predetermined limit.
SEE OR SEARCH CLASS
254, Implements or Apparatus for Applying Pushing or Pulling Force,
272+, for a cable pulling drum provided with a control mechanism having a cable deflecting or path-defining component; the component shifts when variations in the tension on the cable occur.