Patents by Inventor Alfred Weidinger

Alfred Weidinger 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: 10215234
    Abstract: A rolling-element bearing cage or rolling-element bearing cage segment is formed from aluminum alloy AA6082 and/or AA7020 and may have a tensile strength of at least 350 MPa and/or a yield strength of at least 310 MPa and/or a hardness of at least 100 HBW. Also a method of forming a rolling-element bearing cage or rolling-element bearing cage segment from aluminum alloy AA6082 and/or AA 7020.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: February 26, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Anselme Loemba, Joanna Dzwonczyk, Alfred Weidinger
  • Publication number: 20180149199
    Abstract: A rolling-element bearing cage or rolling-element bearing cage segment is formed from aluminum alloy AA6082 and/or AA7020 and may have a tensile strength of at least 350 MPa and/or a yield strength of at least 310 MPa and/or a hardness of at least 100 HBW. Also a method of forming a rolling-element bearing cage or rolling-element bearing cage segment from aluminum alloy AA6082 and/or AA 7020.
    Type: Application
    Filed: July 24, 2015
    Publication date: May 31, 2018
    Inventors: Anselme Loemba, Joanna Dzwonczyk, Alfred Weidinger
  • Patent number: 8882195
    Abstract: A seat base having a first pair of U-shaped tubular elements capable of being deformed, the upper end portion is arranged in a torsionally rigid manner in the vertical direction on a lower surface of the seat part and the lower end portion is arranged in a torsionally rigid manner in the vertical direction on an upper surface of a region of the vehicle floor, and a second pair of S-shaped tubular elements capable of being deformed, the upper end portion is arranged in a torsionally rigid manner in the vertical direction on the lower surface of the seat part and the lower end portion is arranged in a torsionally rigid manner in the vertical direction on the upper surface of the region of the vehicle floor, wherein the first pair of elements is arranged substantially in front of the second pair of elements in the direction of the seat.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: November 11, 2014
    Assignee: Grammer AG
    Inventors: Dirk Kaessner, Wolfgang Beier, Andreas Vogl, Alfred Weidinger
  • Publication number: 20120126592
    Abstract: A seat base having a first pair of U-shaped tubular elements capable of being deformed, the upper end portion is arranged in a torsionally rigid manner in the vertical direction on a lower surface of the seat part and the lower end portion is arranged in a torsionally rigid manner in the vertical direction on an upper surface of a region of the vehicle floor, and a second pair of S-shaped tubular elements capable of being deformed, the upper end portion is arranged in a torsionally rigid manner in the vertical direction on the lower surface of the seat part and the lower end portion is arranged in a torsionally rigid manner in the vertical direction on the upper surface of the region of the vehicle floor, wherein the first pair of elements is arranged substantially in front of the second pair of elements in the direction of the seat.
    Type: Application
    Filed: November 15, 2011
    Publication date: May 24, 2012
    Inventors: Dirk KAESSNER, Wolfgang BEIER, Andreas VOGL, Alfred WEIDINGER
  • Patent number: 6979132
    Abstract: A cylindrical roller bearing includes an outer bearing ring, an inner bearing ring and cylindrical rollers located between the outer and inner bearing rings. One of the rings has side rims forming an axial stop for the cylindrical rollers. The bearing ring on which the side rims are not provided is formed with at least one groove outside the axial extension of the cylindrical rollers. A ring of spring-elastic material is positioned in the groove to form an axial stop for the cylindrical rollers. The periphery of the ring has no interruptions. To improve the running behavior of the cylindrical roller bearing, the ring possesses a V-shaped cross-section with two legs.
    Type: Grant
    Filed: October 7, 2003
    Date of Patent: December 27, 2005
    Assignee: AB SKF
    Inventors: Hans-Jürgen Friedrich, Bernhard Groschek, Torbjörn Hedman, Rut Heemskerk, Jürgen Stürzengerger, Alfred Weidinger
  • Publication number: 20040131296
    Abstract: A cylindrical roller bearing includes an outer bearing ring, an inner bearing ring and cylindrical rollers located between the outer and inner bearing rings. One of the rings has side rims forming an axial stop for the cylindrical rollers. The bearing ring on which the side rims are not provided is formed with at least one groove outside the axial extension of the cylindrical rollers. A ring of spring-elastic material is positioned in the groove to form an axial stop for the cylindrical rollers. The periphery of the ring has no interruptions. To improve the running behavior of the cylindrical roller bearing, the ring possesses a V-shaped cross-section with two legs.
    Type: Application
    Filed: October 7, 2003
    Publication date: July 8, 2004
    Applicant: AB SKF
    Inventors: Hans-Jurgen Friedrich, Bernhard Groschek, Torbjorn Hedman, Rut Heemskerk, Jurgen Sturzengerger, Alfred Weidinger
  • Patent number: 6579011
    Abstract: An antifriction bearing includes a plurality of rolling elements each having a lateral surface possessing a conical shape, with the rolling elements being positioned between a conical raceway and a cylindrical raceway to roll along the conical raceway and the cylindrical raceway. The lateral surface of each rolling element forms an angle with a center axis of the rolling element that is 3° at maximum, and the lateral surface of each rolling element has a convex curvature that is superimposed on the conical shape. The bearing can also include a first bearing ring having a running surface constituting one of the conical and cylindrical raceways. An antifriction bearing arrangement incorporating such an antifriction bearing is also provided with a stop element having a stop face contacting the end face of each of the rolling elements.
    Type: Grant
    Filed: November 23, 2001
    Date of Patent: June 17, 2003
    Assignee: SKF GmbH
    Inventors: Klaus Muschiol, Robert Grüll, Armin Olschewski, Alfred Weidinger
  • Publication number: 20020061152
    Abstract: An antifriction bearing includes a plurality of rolling elements each having a lateral surface possessing a conical shape, with the rolling elements being positioned between a conical raceway and a cylindrical raceway to roll along the conical raceway and the cylindrical raceway. The lateral surface of each rolling element forms an angle with a center axis of the rolling element that is 3° at maximum, and the lateral surface of each rolling element has a convex curvature that is superimposed on the conical shape. The bearing can also include a first bearing ring having a running surface constituting one of the conical and cylindrical raceways. An antifriction bearing arrangement incorporating such an antifriction bearing is also provided with a stop element having a stop face contacting the end face of each of the rolling elements.
    Type: Application
    Filed: November 23, 2001
    Publication date: May 23, 2002
    Inventors: Klaus Muschiol, Robert Grull, Armin Olschewski, Alfred Weidinger
  • Patent number: 6213648
    Abstract: A process for producing a sheet metal cage for roller bearings involves using a press roll to form a disk-shaped circular sheet metal blank into a tubular element having radially inwardly projecting and axially extending ribs, and stamping window-shaped pockets into the tubular element between adjoining ribs to produce a cage of a rolling bearing for receiving rolls in the window-shaped cutouts. The sheet metal cage produced by the method possesses a conically rolled outer surface and side rings arranged at opposite ends. The cage includes ridges extending between the side rings and window-shaped pockets between adjacent pairs of ridges for receiving tapered rolls. The cage also includes ribs extending inwardly from each of the ridges, with the ribs possessing tapering side surfaces.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: April 10, 2001
    Assignee: SKF GmbH
    Inventor: Alfred Weidinger
  • Patent number: 6196728
    Abstract: A solid cage for roller bearings, where the pitch circle of the rollers is between the radial center of the cage and its bore, with guide surfaces on the webs which conform to the lateral surface of the rollers, thus forming retaining edges in the area of the bore, across which the rollers are snapped into the pockets, characterized in that the guide surface 4 is interrupted by at least one strip 10, which curves to form an arc facing the roller 3, this strip being recessed into the guide surface 4 in the radially outward area of the cage, but projecting beyond the guide surface 4 in the radially inward area to serve as an additional retaining projection 12 for the roller3.
    Type: Grant
    Filed: November 23, 1998
    Date of Patent: March 6, 2001
    Assignee: SKF GmbH
    Inventors: Michael Wahler, Alfred Weidinger
  • Patent number: 5096310
    Abstract: A rolling bearing having separated bearing ring having held together by a dimensionally stable holding ring tightly fit over the ends of the ring halves. The axial holding of the ring halves is effected by a row of snap elements distributed about the circumference of the holding ring, the snap elements extending into annular grooves adjacent the ends of the ring halves. The snap elements are joined to the surface of the holding ring to enable bending at the joints thereof.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: March 17, 1992
    Assignee: SKF GmbH
    Inventors: Hans Meining, deceased, by Jurgen G. Meining, Heir, Alfred Weidinger, Theo Schmitt, Manfred Schlegelmilch