Tire chain device for automobiles travelling on snow-covered terrain

摘要

This invention relates to a tire chain device for automobiles travelling on snow-covered terrain and, in particular, to one having two steel hoops connected by a plurality short lengths of chains, a plurality of plastic tubes enclosing the steel hoops, two packings located between every two of the plastic tubes, a plurality of guide rings disposed between adjacent packings of one of the steel hoops, a ring member disposed at each end of the steel hoops and a binding chain connected to one ring member of one of the steel hoops. During use of the device the plurality of short lengths of chains are held tightly across the outside of the tire, disposed to be substantially parallel to the axis of tire rotation to enhance traction.