Patents by Inventor Hans Ake Ulf Carlsson

Hans Ake Ulf Carlsson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Automatic coupling unit for braking and electrical functions between parts in a vehicle combination
    Patent number: 4111452
    Abstract: A connector system for coupling the electrical and brake systems of a tractor vehicle with those of a trailer to be towed by the tractor vehicle. The coupling is done automatically at the time the tractor vehicle couples to the trailer. The connector system has a female receptacle having therein connectors from the electrical and braking systems to the trailer. A male unit having therein connectors from the electrical and braking systems of the tractor is lifted automatically vertically for insertion into the female receptacle. When the insertion is made the various connector carry out connections connecting the electrical and braking system of the tractor vehicle to those of the trailer.
    Type: Grant
    Filed: June 30, 1976
    Date of Patent: September 5, 1978
    Inventor: Hans Ake Ulf Carlsson