Patents by Inventor Erwin Staudigel

Erwin Staudigel 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).

  • Snap cage for ball bearings
    Patent number: 6416230
    Abstract: A plastic snap cage for radial ball bearings includes thin-walled cup-like pocket elements spaced about the circumference and connected with each other in one piece through ribs, thereby forming pockets that are open in the axial direction to receive the balls. The radially inwardly and/or the radially outwardly extending boundary edge of the pockets is rounded in accordance with a selected rounding radius R.
    Type: Grant
    Filed: July 5, 2000
    Date of Patent: July 9, 2002
    Assignee: Ina Wälzlager Schaeffler oHG
    Inventors: Erwin Staudigel, Albert Staudigel, Werner Pest, Alfons Gerner, Herbert Rost, Herbert Zettner
  • Rolling bearing cage
    Patent number: 6261005
    Abstract: The invention concerns a rolling bearing cage (1, 21) made of a resilient plastic and comprising at at least one peripheral point, an axially extending gap (2) formed by a first cage end (4) and a second cage end (3) which is spaced from the first cage end (4), each of the first and the second cage ends (4, 3) comprising at least one projection and at least one recess, said recess and projection having complementary shapes, and as viewed in axial direction, the recess and the projection partially engage each other, and as viewed in peripheral direction, the recess and the projection partially overlap each other.
    Type: Grant
    Filed: November 30, 1999
    Date of Patent: July 17, 2001
    Assignee: Ina Walzlager Schaeffler oHG
    Inventors: Manfred Winkler, Herbert Zettner, Herbert Rost, Walter Wildeshaus, Erwin Staudigel, Tino Beck