Patents by Inventor Lothar Schaumann

Lothar Schaumann 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: 11339824
    Abstract: A ball joint including a ball stud which has a spherical portion, two bearing shells that are arranged on the spherical portion such that there is a small gap between the two bearing shells, and a housing that is made from plastic in one piece and encloses the two bearing shells such that the two bearing shells are urged against the spherical portion by the housing.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: May 24, 2022
    Assignee: THK RHYTHM AUTOMOTOVE GMBH
    Inventors: Lothar Schaumann, Harald Walter
  • Patent number: 11286975
    Abstract: A ball joint includes a carrier part and a hollow ball which is a component separate from the carrier part and is fixed on the carrier part.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: March 29, 2022
    Assignee: THK Rhythm Automotive GmbH
    Inventors: Lothar Schaumann, Harald Walter
  • Publication number: 20210332844
    Abstract: A ball joint includes a carrier part and a hollow ball which is a component separate from the carrier part and is fixed on the carrier part.
    Type: Application
    Filed: April 22, 2021
    Publication date: October 28, 2021
    Inventors: Lothar SCHAUMANN, Harald WALTER
  • Publication number: 20210131484
    Abstract: The invention relates to a ball joint (5) including a ball stud (10) which has a spherical portion (12), two bearing shells (20) that are arranged on the spherical portion (12) such that there is a small gap (30) between them, and a housing (40) that is made from plastic in one piece and encloses the two bearing shells (20) such that they are urged against the spherical portion (12) by the housing (40).
    Type: Application
    Filed: February 22, 2019
    Publication date: May 6, 2021
    Inventors: Lothar SCHAUMANN, Harald WALTER
  • Patent number: 10087983
    Abstract: This invention relates to a joint housing (10) of a ball joint (12), comprising a sheet-metal part (14) for accommodating a ball head (16), which is substantially rotationally symmetrical with respect to a joint axis (A) and includes a circumferential wall portion (18), wherein the circumferential wall portion (18) includes a housing opening (26) at an axial end (24), through which a joint pin (28) can extend, wherein the sheet-metal part (14) is formed with two layers at this axial end (24) of the circumferential wall portion (18). Furthermore, the invention also relates to a method for mounting such joint housing (10) on a carrier element (34).
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: October 2, 2018
    Assignee: THK RHYTIIM AUTOMOTIVE GmbH
    Inventors: Uwe Forthaus, Lothar Schaumann, Harald Walter
  • Patent number: 9573615
    Abstract: The invention relates to a rack-and-pinion steering, including a toothed rack having a longitudinal axis, a toothed rack housing in which the toothed rack is guided for axial displacement between two end stops, and an end stop damping assembly which includes at least one stop ring and at least one elastic compression body, the compression body surrounding the toothed rack, and its spring/damping section having an axial length in a non-loaded condition. The stop ring has a continuously surrounding axial guide extension which is located radially inside in relation to the compression body and which has an axial length that is smaller than the axial length of the spring/damping section of the compression body.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: February 21, 2017
    Assignee: TRW AUTOMOTIVE GMBH
    Inventor: Lothar Schaumann
  • Publication number: 20170030402
    Abstract: This invention relates to a joint housing (10) of a ball joint (12), comprising a sheet-metal part (14) for accommodating a ball head (16), which is substantially rotationally symmetrical with respect to a joint axis (A) and includes a circumferential wall portion (18), wherein the circumferential wall portion (18) includes a housing opening (26) at an axial end (24), through which a joint pin (28) can extend, wherein the sheet-metal part (14) is formed with two layers at this axial end (24) of the circumferential wall portion (18). Furthermore, the invention also relates to a method for mounting such joint housing (10) on a carrier element (34).
    Type: Application
    Filed: August 1, 2016
    Publication date: February 2, 2017
    Applicant: THK RHYTHM AUTOMOTIVE GmbH
    Inventors: Uwe Forthaus, Lothar Schaumann, Harald Walter
  • Patent number: 9518602
    Abstract: A ball joint which comprises a joint housing, a bearing shell received in the joint housing, and a ball stud having a ball head arranged for pivoting movement in the bearing shell. The ball head is prestressed by a spring system substantially in the direction of a longitudinal axis of the ball stud against the joint housing. The spring system is composed of spring elements connected in parallel and/or in series, at least one spring element of the spring system being made of a polymer material or of an elastomer material.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: December 13, 2016
    Assignee: THK RHYTHM AUTOMOTIVE GmbH
    Inventors: Uwe Forthaus, Vat Phiaphakdy, Lothar Schaumann, Harald Walter, Dagmar Woelki
  • Patent number: 9429186
    Abstract: A joint housing of a ball joint comprises a sheet-metal part for accommodating a ball head, which is substantially rotationally symmetrical with respect to a joint axis and includes a circumferential wall portion, wherein the circumferential wall portion includes a housing opening at an axial end, through which a joint pin can extend, wherein the sheet-metal part is formed with two layers at this axial end of the circumferential wall portion.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: August 30, 2016
    Assignee: THK RHYTHM AUTOMOTIVE GmbH
    Inventors: Uwe Forthaus, Lothar Schaumann, Harald Walter
  • Publication number: 20140212205
    Abstract: A joint housing of a ball joint comprises a sheet-metal part for accommodating a ball head, which is substantially rotationally symmetrical with respect to a joint axis and includes a circumferential wall portion, wherein the circumferential wall portion includes a housing opening at an axial end, through which a joint pin can extend, wherein the sheet-metal part is formed with two layers at this axial end of the circumferential wall portion.
    Type: Application
    Filed: July 12, 2012
    Publication date: July 31, 2014
    Applicant: TRW AUTOMOTIVE GmbH
    Inventors: Uwe Forthaus, Lothar Schaumann, Harald Walter
  • Patent number: 8734044
    Abstract: A ball joint, particularly a radial ball joint, includes a housing, a bearing shell which is arranged in the housing, and a ball pin having a ball head which is arranged in the bearing shell, the housing having a mounting opening to receive the bearing shell and the ball head, the mounting opening being closed by a housing cover which is fastened to the housing. The bearing shell is deformed by the ball head and the housing cover such that the restoring force resulting from the deformation urges the ball head away from the housing cover and prestresses it against the housing.
    Type: Grant
    Filed: December 11, 2007
    Date of Patent: May 27, 2014
    Assignee: TRW Automotive GmbH
    Inventor: Lothar Schaumann
  • Publication number: 20120301214
    Abstract: The invention relates to a ball joint which comprises a joint housing, a bearing shell received in the joint housing, and a ball stud having a ball head arranged for pivoting movement in the bearing shell. The ball head is prestressed by a spring system substantially in the direction of a longitudinal axis of the ball stud against the joint housing. The spring system is composed of spring elements connected in parallel and/or in series, at least one spring element of the spring system being made of a polymer material or of an elastomer material.
    Type: Application
    Filed: January 19, 2011
    Publication date: November 29, 2012
    Applicant: TRW AUTOMOTIVE GMBH
    Inventors: Uwe Forthaus, Vat Phiaphakdy, Lothar Schaumann, Harald Walter, Dagmar Woelki
  • Publication number: 20120111132
    Abstract: The invention relates to a rack-and-pinion steering, including a toothed rack having a longitudinal axis, a toothed rack housing in which the toothed rack is guided for axial displacement between two end stops, and an end stop damping assembly which includes at least one stop ring and at least one elastic compression body, the compression body surrounding the toothed rack, and its spring/damping section having an axial length in a non-loaded condition. The stop ring has a continuously surrounding axial guide extension which is located radially inside in relation to the compression body and which has an axial length that is smaller than the axial length of the spring/damping section of the compression body.
    Type: Application
    Filed: May 3, 2010
    Publication date: May 10, 2012
    Applicant: TRW AUTOMOTIVE GMBH
    Inventor: Lothar Schaumann
  • Patent number: 7785029
    Abstract: A ball joint, particularly an axial joint, having a housing, a bearing shell which is arranged in the housing, and a ball pin with a ball head which is arranged in the bearing shell, is characterized in that the bearing shell is bent open elastically by the ball head so that the restoring force resulting from its deformation applies a prestress onto the ball head which attempts to press the latter out of the housing.
    Type: Grant
    Filed: February 14, 2007
    Date of Patent: August 31, 2010
    Assignee: TRW Automotive GmbH
    Inventor: Lothar Schaumann
  • Publication number: 20100092235
    Abstract: The invention relates to a ball joint, particularly a radial ball joint, including a housing, a bearing shell which is arranged in the housing, and a ball pin having a ball head which is arranged in the bearing shell, the housing having a mounting opening to receive the bearing shell and the ball head, the mounting opening being closed by a housing cover which is fastened to the housing. The bearing shell is deformed by the ball head and the housing cover such that the restoring force resulting from the deformation urges the ball head away from the housing cover and prestresses it against the housing.
    Type: Application
    Filed: December 11, 2007
    Publication date: April 15, 2010
    Inventor: Lothar Schaumann
  • Publication number: 20090154989
    Abstract: A ball joint, particularly an axial joint, having a housing, a bearing shell which is arranged in the housing, and a ball pin with a ball head which is arranged in the bearing shell, is characterized in that the bearing shell is bent open elastically by the ball head so that the restoring force resulting from its deformation applies a prestress onto the ball head which attempts to press the latter out of the housing.
    Type: Application
    Filed: February 14, 2007
    Publication date: June 18, 2009
    Inventor: Lothar Schaumann