Concrete Patents (Class 105/405)
  • Patent number: 4405271
    Abstract: A railroad car as a chassis of two parts and which are connected together by a coupling device. By lifting one end of the chassis by jacks it is possible to remove a railroad type truck and replace it with truck fitted with wheels and tires. The coupling is then opened and each half of the railroad car can be converted into a semi-trailer connected by means of a pivot to a tractor truck.
    Type: Grant
    Filed: July 22, 1981
    Date of Patent: September 20, 1983
    Inventor: Albert Adams