Patents by Inventor Sigismund Finzel

Sigismund Finzel 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).

  • Wheel for roller skates or the like
    Patent number: 4219240
    Abstract: A wheel construction comprising a bearing and a mantle circumscribing the bearing made of a given material, and a reinforcing ring of a material harder than the mantle which is embedded therein, the reinforcing ring having a circumferentially extending flexible protrusion extending beyond at least one axial end face of the bearing at one side of the wheel.
    Type: Grant
    Filed: April 26, 1978
    Date of Patent: August 26, 1980
    Assignee: SKF Kugellagerfabriken GmbH
    Inventors: Manfred Brandenstein, Armin Olschewski, Sigismund Finzel, Willi Gossmann, Josef Stark
  • Skateboard
    Patent number: 4194752
    Abstract: A skateboard comprising an elongated board and a pair of trucks mounted adjacent opposite ends of the board, each having a pair of rotatable wheels. Each truck consists of a tensile elastic suspension member and a pivot support consisting of a universally movable ball and socket joint.
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: March 25, 1980
    Assignee: SKF Kugellagerfabriken GmbH
    Inventors: Gerhard Tilch, Wolfgang Friedrich, Herbert Dobhan, Hermann Hetterich, Peter Horling, Sigismund Finzel
  • Clutch release bearing
    Patent number: 4027932
    Abstract: A clutch release bearing including cooperative inner and outer race rings with included rolling elements, and a holding ring having a first flange closely adjacent and facing a second flange of one of said rings, one of said two flanges having spiral grooves or other means for providing with a fluid hydraulic pressure between said flanges, thereby urging said inner and outer race rings together for maintaining a generally fixed axial relationship between them.
    Type: Grant
    Filed: May 20, 1975
    Date of Patent: June 7, 1977
    Assignee: SKF Industrial Trading and Development Company B.V.
    Inventors: Heinrich Kunkel, Manfred Brandenstein, Armin Olschewski, Sigismund Finzel, Willi Gossmann, Peter Horling