Patents by Inventor Hannu Heikkila

Hannu Heikkila 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).

  • Patent number: 4485693
    Abstract: A vibrating apparatus e.g. for shaking the forming wire of a paper machine, comprising a body (1) and a drive shaft (2) rotatably mounted in the body. The drive shaft supports an eccentric bushing (3) displaceable along but nonrotatably fixed to said drive shaft. A reciprocating rod (9) positioned transversely with respect to the drive shaft is provided with a ring-shaped end (10) rotatably mounted around an outer mantle surface of said bushing stationary in the axial direction (D) of said bushing. The apparatus further comprises adjusting means (11-20) for displacing said bushing along the drive shaft in its axial direction in order to adjust the eccentricity between the drive shaft and the ring-shaped end of the reciprocating rod.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: December 4, 1984
    Assignee: Oy Tampella AB
    Inventor: Hannu Heikkila