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).
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Patent number: 10046614Abstract: 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: GrantFiled: April 19, 2016Date of Patent: August 14, 2018Assignee: SAF-HOLLAND GmbHInventors: Florian Borde, Rolf Spielmann, Roman Seitz
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Patent number: 9707999Abstract: 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: GrantFiled: July 24, 2014Date of Patent: July 18, 2017Assignee: SAF-HOLLAND GmbHInventor: Rolf Spielmann
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Patent number: 9662949Abstract: 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: GrantFiled: June 17, 2014Date of Patent: May 30, 2017Assignee: SAF-HOLLAND GmbHInventors: Rolf Spielmann, Matthias Hoppe
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Publication number: 20160303936Abstract: 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: ApplicationFiled: April 19, 2016Publication date: October 20, 2016Applicant: SAF-HOLLAND GmbHInventors: Florian Borde, Rolf Spielmann, Roman Seitz
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Patent number: 9463667Abstract: 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: GrantFiled: September 20, 2012Date of Patent: October 11, 2016Assignee: SAF-HOLLAND GmbHInventor: Rolf Spielmann
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Publication number: 20160176439Abstract: 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: ApplicationFiled: July 24, 2014Publication date: June 23, 2016Inventor: Rolf Spielmann
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Publication number: 20160152104Abstract: 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: ApplicationFiled: June 17, 2014Publication date: June 2, 2016Inventors: Rolf Spielmann, Matthias Hoppe
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Publication number: 20160107495Abstract: 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: ApplicationFiled: June 27, 2014Publication date: April 21, 2016Applicant: SAF-HOLLAND GmbHInventors: Rolf Spielmann, Roger Jansen, III
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Publication number: 20160009133Abstract: 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: ApplicationFiled: September 20, 2012Publication date: January 14, 2016Inventor: Rolf Spielmann
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Publication number: 20150061253Abstract: 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: ApplicationFiled: September 20, 2012Publication date: March 5, 2015Inventor: Rolf Spielmann
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Publication number: 20140124995Abstract: 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: ApplicationFiled: July 9, 2012Publication date: May 8, 2014Inventor: Rolf Spielmann
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Patent number: 8353562Abstract: 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: GrantFiled: February 28, 2008Date of Patent: January 15, 2013Assignee: Saf-Holland GmbHInventors: Rolf Spielmann, Bjorn Meyer, Olaf Drewes
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Patent number: 7823429Abstract: 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: GrantFiled: September 15, 2006Date of Patent: November 2, 2010Assignee: SAF-Holland GmbHInventors: Olaf Drewes, Rolf Spielmann
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Publication number: 20100013295Abstract: 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: ApplicationFiled: February 28, 2008Publication date: January 21, 2010Inventors: Rolf Spielmann, Bjorn Meyer, Olaf Drewes
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Publication number: 20080250833Abstract: 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: ApplicationFiled: September 15, 2006Publication date: October 16, 2008Inventors: Olaf Drewes, Rolf Spielmann