Patents by Inventor Mikael Josefsson

Mikael Josefsson 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).

  • Sealing assembly for a moving mechanical member, in particular a rotary shaft of a hydraulic pump
    Patent number: 5967527
    Abstract: A sealing assembly (1) for a rotary shaft (2), having a metal structure (4) defined by a sleeve portion (6) and by a radially inner flange (7), and a sealing ring (5) cooperating in sliding manner with the shaft (2); the sealing ring (5) in turn has a connecting portion (15) for connection to the flange (7), and a portion (18) projecting from the flange; two sealing lips (19, 20) extend axially from opposite sides of the projecting portion (18); the two sealing lips (19, 20) and the projecting portion (18) are connected in one piece to one another at respective narrow sections (21, 22, 23), each defining a respective virtual hinge permitting rotation of each element with respect to the others; and the respective centers of rotation (A, B, C) of the virtual hinges are defined, at each axial section of the sealing assembly, by three points arranged substantially in the form of a triangle.
    Type: Grant
    Filed: November 10, 1997
    Date of Patent: October 19, 1999
    Assignee: Forsheda AB
    Inventors: Roberto Fabro, Mikael Josefsson, Peter Koski