Patents by Inventor Rolf Spielmann

Rolf Spielmann 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: 10046614
    Abstract: Relates to a reinforcing unit and a running gear system with a reinforcing unit, comprising a first shell element and a second shell element, wherein the first shell element and the second shell element each comprise an engagement region on the tube side and an engagement region on the link side, wherein the first shell element and the second shell element each comprise a flange portion, wherein between the flange portion of the first shell element and the flange portion of the second shell element a tensile force can be established, which presses the first and the second shell element against an axle tube in such a manner that the reinforcing unit can be non-positively fixed on the axle tube, wherein the engagement region on the link side can be brought into engagement with a link unit.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: August 14, 2018
    Assignee: SAF-HOLLAND GmbH
    Inventors: Florian Borde, Rolf Spielmann, Roman Seitz
  • Patent number: 9707999
    Abstract: A steering unit includes a guide unit and a support unit having a second fastening section fixed to a first fastening section of the guide unit and a load-bearing section accommodating a spring unit, a second plane is oriented orthogonally with respect to a width of the second fastening section, the load-bearing section is asymmetrical with respect to the second plane, the guide unit extends predominantly along a first plane, wherein, in an assembled state, the first plane is oriented to the second plane, wherein the first plane is oriented orthogonally with respect to a pivot axis of a pivotable mounting of the guide unit in a bearing section, wherein, in a mounted state, at least one fastening structure is arranged in the first plane, and wherein the first plane runs centrally through the bearing section of the guide unit.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: July 18, 2017
    Assignee: SAF-HOLLAND GmbH
    Inventor: Rolf Spielmann
  • Patent number: 9662949
    Abstract: The invention relates to a longitudinal control arm for connection of an axle tube to a vehicle frame, the longitudinal control arm extending along a longitudinal direction and comprising an arrangement section on a frame side and at least one arrangement section on an axle tube side, a centerline of the arrangement section on the axle tube side being offset by an offset from a centerline of the arrangement section on the frame side when seen at an angle to the longitudinal direction.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: May 30, 2017
    Assignee: SAF-HOLLAND GmbH
    Inventors: Rolf Spielmann, Matthias Hoppe
  • Publication number: 20160303936
    Abstract: Relates to a reinforcing unit and a running gear system with a reinforcing unit, comprising a first shell element and a second shell element, wherein the first shell element and the second shell element each comprise an engagement region on the tube side and an engagement region on the link side, wherein the first shell element and the second shell element each comprise a flange portion, wherein between the flange portion of the first shell element and the flange portion of the second shell element a tensile force can be established, which presses the first and the second shell element against an axle tube in such a manner that the reinforcing unit can be non-positively fixed on the axle tube, wherein the engagement region on the link side can be brought into engagement with a link unit.
    Type: Application
    Filed: April 19, 2016
    Publication date: October 20, 2016
    Applicant: SAF-HOLLAND GmbH
    Inventors: Florian Borde, Rolf Spielmann, Roman Seitz
  • Patent number: 9463667
    Abstract: The invention relates to an axle mount for utility or commercial vehicles, comprising a carrier unit and a protective unit, wherein the carrier unit has a first fastening region for the fixing of a utility vehicle axle thereto and has, arranged adjacent to said fastening region, a receiving region for receiving chassis systems, and wherein the protective unit is arranged on the carrier unit such that the receiving region is enclosed transversely with respect to an axial direction by the carrier unit and by the protective unit, in such a way that the ingress of foreign bodies into the receiving region is prevented.
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: October 11, 2016
    Assignee: SAF-HOLLAND GmbH
    Inventor: Rolf Spielmann
  • Publication number: 20160176439
    Abstract: A steering unit includes a guide unit and a support unit having a second fastening section fixed to a first fastening section of the guide unit and a load-bearing section accommodating a spring unit, a second plane is oriented orthogonally with respect to a width of the second fastening section, the load-bearing section is asymmetrical with respect to the second plane, the guide unit extends predominantly along a first plane, wherein, in an assembled state, the first plane is oriented to the second plane, wherein the first plane is oriented orthogonally with respect to a pivot axis of a pivotable mounting of the guide unit in a bearing section, wherein, in a mounted state, at least one fastening structure is arranged in the first plane, and wherein the first plane runs centrally through the bearing section of the guide unit.
    Type: Application
    Filed: July 24, 2014
    Publication date: June 23, 2016
    Inventor: Rolf Spielmann
  • Publication number: 20160152104
    Abstract: The invention relates to a longitudinal control arm for connection of an axle tube to a vehicle frame, the longitudinal control arm extending along a longitudinal direction and comprising an arrangement section on a frame side and at least one arrangement section on an axle tube side, a centerline of the arrangement section on the axle tube side being offset by an offset from a centerline of the arrangement section on the frame side when seen at an angle to the longitudinal direction.
    Type: Application
    Filed: June 17, 2014
    Publication date: June 2, 2016
    Inventors: Rolf Spielmann, Matthias Hoppe
  • Publication number: 20160107495
    Abstract: A wrap for attaching a trailing arm to an axle tube, having a substantially tubular cross-section that extends along a longitudinal axis, an outer contour and an inner contour, having an internal diameter, the wrap having a compensation portion extending substantially along a longitudinal axis, and configured to modify the internal diameter , wherein the compensation portion includes at least one of an inner gap having a gap width and arranged at the inner contour and an outer gap having a gap width and arranged at the outer contour configured to modify the internal diameter, the gaps extending substantially along the circumferential direction of the wrap, and wherein the internal diameter may be modified by modifying the gap widths.
    Type: Application
    Filed: June 27, 2014
    Publication date: April 21, 2016
    Applicant: SAF-HOLLAND GmbH
    Inventors: Rolf Spielmann, Roger Jansen, III
  • Publication number: 20160009133
    Abstract: The invention relates to an axle mount for utility vehicles, comprising a carrier unit and a protective unit, wherein the carrier unit has a first fastening region for the fixing of a utility vehicle axle thereto and has, arranged adjacent to said fastening region, a receiving region for receiving chassis systems, and wherein the protective unit is arranged on the carrier unit such that the receiving region is enclosed transversely with respect to an axial direction by the carrier unit and by the protective unit, in such a way that the ingress of foreign bodies into the receiving region is prevented.
    Type: Application
    Filed: September 20, 2012
    Publication date: January 14, 2016
    Inventor: Rolf Spielmann
  • Publication number: 20150061253
    Abstract: The invention relates to an axle mount for utility vehicles, comprising a carrier unit and a protective unit, wherein the carrier unit has a first fastening region for the fixing of a utility vehicle axle thereto and has, arranged adjacent to said fastening region, a receiving region for receiving chassis systems, and wherein the protective unit is arranged on the carrier unit such that the receiving region is enclosed transversely with respect to an axial direction by the carrier unit and by the protective unit, in such a way that the ingress of foreign bodies into the receiving region is prevented.
    Type: Application
    Filed: September 20, 2012
    Publication date: March 5, 2015
    Inventor: Rolf Spielmann
  • Publication number: 20140124995
    Abstract: A bearing unit for axle systems includes a holding element, a sleeve element and a bearing element, wherein the holding element has a first engagement region which is designed in order substantially to enclose the bearing element in one plane, wherein the bearing element has a first recess which is directed transversely with respect to the plane and in which the sleeve element is arranged, wherein the sleeve element is mounted resiliently in the plane relative to the holding element via the bearing element, wherein the holding element has a second engagement region in which a fixing element engages in order to fix the first engagement region frictionally on the bearing element, and wherein at least one of the first fastening region and the bearing element has a non-circular shape such that a rotational movement of the bearing element relative to the holding element is prevented.
    Type: Application
    Filed: July 9, 2012
    Publication date: May 8, 2014
    Inventor: Rolf Spielmann
  • Patent number: 8353562
    Abstract: The invention relates to an axle body, particularly for a commercial vehicle, wherein the body is configured substantially as an axle pipe, which comprises a center section and at least one receiving section connected thereto for receiving an axle guide, wherein the axle body in the center section has a substantially constant wall thickness, and wherein the axle body in the receiving section, at least in some regions, has a wall thickness that is greater than the wall thickness of the center section.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: January 15, 2013
    Assignee: Saf-Holland GmbH
    Inventors: Rolf Spielmann, Bjorn Meyer, Olaf Drewes
  • Patent number: 7823429
    Abstract: The invention relates to a method for manufacturing an axle component having the following steps: arranging a hollow semi-finished product such as a tube in a die for forming the axle component; introduction of fluid into the interior of the hollow semi-finished product; and loading of the fluid with high pressure, in order to deform the hollow semi-finished product in accordance with the die as a result.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: November 2, 2010
    Assignee: SAF-Holland GmbH
    Inventors: Olaf Drewes, Rolf Spielmann
  • Publication number: 20100013295
    Abstract: The invention relates to an axle body, particularly for a commercial vehicle, wherein the body is configured substantially as an axle pipe, which comprises a center section and at least one receiving section connected thereto for receiving an axle guide, wherein the axle body in the center section has a substantially constant wall thickness, and wherein the axle body in the receiving section, at least in some regions, has a wall thickness that is greater than the wall thickness of the center section.
    Type: Application
    Filed: February 28, 2008
    Publication date: January 21, 2010
    Inventors: Rolf Spielmann, Bjorn Meyer, Olaf Drewes
  • Publication number: 20080250833
    Abstract: The invention relates to a method for manufacturing an axle component having the following steps: arranging a hollow semi-finished product such as a tube in a die for forming the axle component; introduction of fluid into the interior of the hollow semi-finished product; and loading of the fluid with high pressure, in order to deform the hollow semi-finished product in accordance with the die as a result.
    Type: Application
    Filed: September 15, 2006
    Publication date: October 16, 2008
    Inventors: Olaf Drewes, Rolf Spielmann