Patents by Inventor Olof Fridolfsson

Olof Fridolfsson 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).

  • Publication number: 20130049357
    Abstract: The invention relates to a swivel device, in particular designed to connect two pipes or hoses rotating relative to one another, wherein the device (10) includes a first centre part (20) provided with a hole and comprising a fastening portion (22) for the attachment of a first pipe, the device (10) includes a second centre part (30) provided with a hole and comprising a fastening portion (32) for the attachment of a second pipe, the first centre part (20) and the second centre part (30) being rotatable relative to one another. The centre parts (20, 30) are held together by means of an outer sleeve (150) anchored at one end to the second centre part (30) and at its other end arranged in a rotationally slidable manner relative to the first centre part (20). A first axial sliding bearing (140) is arranged between the outer sleeve (150) and the first centre part (20) and a second axial sliding bearing (190) is arranged between the first centre part (20) and the second centre part (30).
    Type: Application
    Filed: March 25, 2011
    Publication date: February 28, 2013
    Inventors: Joakim Harr, Olof Fridolfsson, Niclas Karlsson