Patents Assigned to ThyssenKrupp Presta Aktiengesellschaft
  • Publication number: 20150191195
    Abstract: In a plain bearing for a steering spindle of a steering column for a motor vehicle having an inner ring for receiving and slidingly mounting the steering spindle, the inner ring is surrounded by an outer ring, and elastic intermediate pieces are arranged between the inner ring and the outer ring. A respective elastic intermediate piece holds the inner ring at the location of the intermediate piece at a spacing from the outer ring in relation to the radial direction in the unloaded state of the plain bearing and can be compressed in the case of a force which acts on the inner ring and is directed outwards in the radial direction, the inner ring bearing against the outer ring if a limiting value of the radial force is exceeded.
    Type: Application
    Filed: May 7, 2013
    Publication date: July 9, 2015
    Applicant: THYSSENKRUPP PRESTA AKTIENGESELLSCHAFT
    Inventors: Markus Domig, Thomas Raich
  • Publication number: 20150135882
    Abstract: Steering column for a motor vehicle having a column tube for rotatably mounting a steering spindle and having a carrier body which engages around the column tube, at least in certain areas, wherein the column tube is mounted in the carrier body so as to be slidable at least in a longitudinal direction of the steering spindle, wherein the steering column has at least one leaf spring which presses against a cylindrical-column-shaped section of the column tube, in a transverse direction orthogonally with respect to the longitudinal direction of the steering spindle, wherein the leaf spring has at least two support faces which are spaced apart from one another in the circumferential direction (10) of the column tube, with which supports faces said leaf spring presses against the column tube directly or with the interposition of at least one bearing body, wherein both during the direct pressing and during pressing with the interposition of the bearing body, the leaf spring presses against the column tube exclusive
    Type: Application
    Filed: March 5, 2013
    Publication date: May 21, 2015
    Applicant: THYSSENKRUPP PRESTA AKTIENGESELLSCHAFT
    Inventors: Adrian Rauber, Thomas Raich
  • Publication number: 20150117943
    Abstract: In a method for working a functional part, which extends in a longitudinal direction and has a lateral surface that surrounds a longitudinal central axis of the functional part running in the longitudinal direction and has an end face bounding the functional part at a free end in the axial direction, a punch that can be moved in the longitudinal direction of the functional part is pressed against the end face of the functional part, while the functional part is initially located in a cavity of a tool, at least over a partial portion of its longitudinal extent that adjoins its free end, which cavity is bounded in the radial direction with respect to the longitudinal central axis by a wall surface surrounding the lateral surface and lying at least partially against the lateral surface, and furthermore the tool, is pulled off from the functional part over the free end of the functional part over a pulling-off travel, while the punch remains pressed against the end face of the functional part, at least over a par
    Type: Application
    Filed: April 3, 2012
    Publication date: April 30, 2015
    Applicant: THYSSENKRUPP PRESTA AKTIENGESELLSCHAFT
    Inventors: Thomas Keppler-Ott, Helmut Kirmsze
  • Patent number: 9010807
    Abstract: A steering shaft bearing unit for rotatably mounting a steering shaft of a steering column for a motor vehicle includes at least one circumferentially closed region for accommodating at least one bearing for rotatably mounting the steering shaft, and at least one securing region for securing the steering shaft bearing unit to a console part of the steering column. At least one through-hole, in particular two through-holes, for guiding a clamping bolt of the steering column therethrough is/are arranged in the securing region. The steering shaft bearing unit is formed by joining, preferably welding, together at least two, preferably exactly two half-shells, each of which includes at least one section of the securing region and at least one section of the at least one circumferentially closed region.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: April 21, 2015
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventor: Rony Schnitzer
  • Patent number: 8991862
    Abstract: A steering column for a motor vehicle includes a console part for securing the steering column to a body of the motor vehicle, and a steering shaft bearing unit for rotatably mounting a steering shaft of the steering column. The steering shaft bearing unit is mounted between at least two lateral cheeks of the console part. A bearing part is arranged between the lateral cheeks of the console part and the steering shaft bearing unit. A clamping bolt of the steering column penetrates the lateral cheeks of the console part, the bearing part, and the steering shaft bearing unit. The bearing part has at least one bearing part bead, while the steering shaft bearing unit has at least one steering shaft bearing unit bead, at least some areas of the bearing part bead lying flat against the steering shaft bearing unit bead. The clamping bolt penetrates the bearing part in the bearing part bead and penetrates the steering shaft bearing unit in the steering shaft bearing unit bead.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: March 31, 2015
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventor: Rony Schnitzer
  • Patent number: 8991863
    Abstract: The invention relates to a locking device for an adjustable steering column for a motor vehicle, wherein the locking device has a cam bracket having at least one cam arranged in a fixed manner thereon and at least one mating cam bracket having at least one mating cam arranged in a fixed manner thereon and at least one stop. The cam bracket and the mating cam bracket are arranged so as to be rotatable relative to each other around an axis of rotation, and the cam of the first cam bracket interacts with the mating cam of the mating cam bracket upon rotation of the cam bracket and mating cam bracket relative to each other around the axis of rotation in order to generate a stroke in the longitudinal direction of the axis of rotation.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: March 31, 2015
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventors: Michael Hahn, Martin Fleischer
  • Publication number: 20150063737
    Abstract: In a method for producing an extruded bearing journal, the bearing journal is extruded in an extrusion tool by means of at least one extrusion punch and, after the extrusion of the bearing journal, reworking of the bearing journal is performed in order to improve the cylindricity of the bearing journal at least over a section of the longitudinal extent of the bearing journal. During the reworking, the bearing journal is arranged, at least over a section of its longitudinal extent adjoining its free end, in a cavity that is delimited in a radial direction of the bearing journal by a wall surface surrounding the lateral surface of the bearing journal, and a reworking punch which is movable in the longitudinal direction of the bearing journal is moved toward the free end of the bearing journal and is pressed against the face surface of the bearing journal and, in this way, a plastic deformation of the bearing journal, with a flow of material of the bearing journal, is effected.
    Type: Application
    Filed: April 3, 2012
    Publication date: March 5, 2015
    Applicant: THYSSENKRUPP PRESTA AKTIENGESELLSCHAFT
    Inventor: Thomas Keppler-Ott
  • Publication number: 20150028574
    Abstract: The invention relates to a steering column for a motor vehicle, which steering column can be displaced in at least one displacement direction, which comprises, for the purpose of displacement in the displacement direction or in at least one of the displacement directions, a spindle drive driven by a drive motor, which spindle drive has a threaded spindle extending in an axial direction. The drive motor is connected to a part of the steering column, which carries the drive motor, via a damping unit that has a primary connecting part having a first contact surface and a secondary connecting part having a second contact surface, wherein the first and the second contact surface are spaced apart from each other in the axial direction of the threaded spindle, and an elastomer or viscoelastic damping material is arranged between the first and the second contact surfaces.
    Type: Application
    Filed: February 14, 2013
    Publication date: January 29, 2015
    Applicant: THYSSENKRUPP PRESTA AKTIENGESELLSCHAFT
    Inventors: Martin Meyer, Sebastian Huber
  • Patent number: 8939468
    Abstract: A fixing device has at least one clamping device and at least one locking element which can be acted upon by the clamping device, and at least one counter locking element. In a closed position of the clamping device, the locking element and the counter locking element are arranged in an engagement position, and the fixing device has at least one elastic resetting element for resetting the locking element in an open position of the clamping device. The fixing device has at least one engagement element which, in the closed position of the clamping device, is in engagement by preferably plastic deformation of at least one surface of the locking element and/or of the counter locking element in a form-fitting manner with the surface.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: January 27, 2015
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventors: Rony Schnitzer, Thomas Heitz
  • Publication number: 20150013493
    Abstract: The invention relates to a steering column for a motor vehicle, with a support part for directly or indirectly mounting the steering column on a body of the motor vehicle and with at least one carriage displaceably mounted in a displacement direction on the support part, at least in the event of a crash, wherein a steering spindle of the steering column is rotatably mounted directly or indirectly on the carriage, wherein the carriage is clamped onto the support part by means of at least one clamping of the steering column, wherein the carriage is further braced on the support part by at least two contact points arranged on opposite sides of the clamping device and spaced away from the clamping device, wherein at least one free space between the carriage and the support part is arranged in regions between the clamping device and each of the contact points.
    Type: Application
    Filed: January 18, 2013
    Publication date: January 15, 2015
    Applicant: THYSSENKRUPP PRESTA AKTIENGESELLSCHAFT
    Inventors: Rodrigo Back, Robert Galehr
  • Patent number: 8910365
    Abstract: The invention relates to a method of producing a steering shaft part that forms a section of a steering shaft, the steering shaft part including a reinforcement section at least in an end area, over which reinforcement section the steering shaft part has a wall thickness that is enlarged relative to an adjacent section of the steering shaft part extending toward the longitudinal center of the steering shaft part. The steering shaft part includes a pipe and a sleeve that is arranged in the reinforcement section of the steering shaft part and that form the enlarged wall thickness.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: December 16, 2014
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventor: Michael Walser
  • Patent number: 8905436
    Abstract: The invention relates to an adjustable steering column for a motor vehicle including a clamping device, in the opened state of which the steering column is adjustable and in the closed state of which the set position of the steering column is fixed and which has an operating lever and a clamping pin having a longitudinal axis. A clamping part, which can be rotated by the operating lever about the longitudinal axis of the clamping pin in order to open and close the clamping device, is arranged on the clamping pin or is integrated with the clamping pin as one piece. The clamping pin and/or the clamping part includes a toothing, which surrounds the longitudinal axis of the clamping pin and the teeth of which extend in the direction of the longitudinal axis of the clamping pin.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: December 9, 2014
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventor: Sebastian Huber
  • Patent number: 8894097
    Abstract: An adjustable steering column for a motor vehicle has at least two components and at least one locking device. The components can be adjusted in the position thereof relative to each other along an adjustment path in an open position of the locking device and are locked in the position thereof relative to each other in a closed position of the locking device. A stop element is arranged at least a first of the components such that the stop element limits the adjustment path and can be detached from the first of the components when a force value is exceeded. The adjustable steering column has a tool which can be inserted between the stop element and the first of the components in order to detach the stop element.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: November 25, 2014
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventors: Hansjörg Sulser, Rony Schnitzer, Mathias Senn
  • Patent number: 8882147
    Abstract: A steering column includes a steering spindle mounted rotatably about the steering-spindle longitudinal axis thereof, and a bracket unit fixed to the motor vehicle. The casing unit is held on the bracket unit so as to be displaceable in at least one direction parallel to and/or transversely with respect to the steering-spindle longitudinal axis and can be locked in differing positions by a locking mechanism. The locking mechanism has at least one locking element which is mounted moveably, preferably rotatably. In at least one locking position of the locking element, the casing unit is locked in the position thereof in the bracket unit and, in at least one release position of the locking element, the casing unit can be displaced relative to the bracket unit in at least one of the directions parallel to and/or transversely with respect to the steering-spindle longitudinal axis.
    Type: Grant
    Filed: November 6, 2010
    Date of Patent: November 11, 2014
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventors: Rony Schnitzer, Hansjörg Sulser
  • Patent number: 8827311
    Abstract: The invention relates to a spring element including at least one spring tongue for spring-loading a separate locking part of a steering column of a motor vehicle and at least one fastening part for fastening the spring element to a pin of the steering column. The spring element also has at least one carrier arm, preferably at least two carrier arms, arranged opposite each other for carrying along the locking part when the spring element moves.
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: September 9, 2014
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventors: Rony Schnitzer, Simon Blättler
  • Patent number: 8827310
    Abstract: An adjustable steering column for a motor vehicle includes a casing unit that rotatably supports a steering shaft, first and second lateral flanges, which can be fastened to the body and between which the casing unit is arranged, a locking device that comprises a clamping bolt, which penetrates the lateral flanges through openings and which is moved in the axial direction when the locking device is opened and closed, and first and second locking elements, between which the casing unit is arranged. The first locking element interacts with a first mating locking element in the closed state of the locking device, and the second locking element interacts with a second mating locking element in the closed state of the locking device. A stop element is arranged on or against the clamping bolt in the area between the two lateral flanges, said stop element being at a distance from a counter-stop in the closed state of the locking device.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: September 9, 2014
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventor: Rony Schnitzer
  • Patent number: 8783719
    Abstract: A steering column for a motor vehicle has a rotatably mounted steering spindle and a motor-powered steering assistance device for steer angle superposition and/or torque assistance. The steering assistance device is connected to the steering spindle by at least one transmission element, and the steering spindle has at least two steering spindle parts connected to one another in torque-transmitting fashion. The steering spindle parts connected to one another in at the steering spindle between the transmission element and a steering wheel connection of the steering spindle, by at least one damping body for damping vibrations transmitted via the steering spindle. At least one of the steering spindle parts is rotatably mounted in a casing unit of the steering column. In the damping body, there is formed a cavity into which the casing unit can slide preferably in the event of a crash-induced deformation and/or displacement within the steering column.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: July 22, 2014
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventor: Sebastian Huber
  • Publication number: 20140137682
    Abstract: Steering pinions and methods for producing the same are described. The steering pinion has a toothed section for meshing with a gear rack and a connection section for connecting to a steering shaft. The toothed section includes a toothed part and the connection section includes a connection part. The toothed part and the connection part are pressed together in a rotationally fixed manner.
    Type: Application
    Filed: July 13, 2012
    Publication date: May 22, 2014
    Applicant: THYSSENKRUPP PRESTA AKTIENGESELLSCHAFT
    Inventors: Frank Birkwald, Christian Ziegler, Hubert Heck, Paul Schwarzhans, Roger Kollmeier, Aksel Maier, Kai Vohwinkel
  • Patent number: 8689659
    Abstract: A steering column for a motor vehicle includes a first and a second part, which in the event of a vehicle crash can be displaced relative to each other in a displacement direction. At least one absorption element acts between the two parts for absorbing energy during the mutual displacement of the two parts, and at least one shift unit, which includes a shift component that can be shifted between a passive and an active shift position. The amount of the energy absorbed during the mutual displacement of the two parts differs in the passive and the active shift position of the shift component.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: April 8, 2014
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventors: Rony Schnitzer, Simon Blättler, Mathias Senn, Martin Rohr, Hansjörg Sulser
  • Patent number: 8613237
    Abstract: A steering arrangement for a motor vehicle includes a rotatable steering handle, in particular a steering wheel, and a steering spindle connected torsion-tight therewith. At least one generator device is provided for generating at least one haptic signal, and at least one rocker bar is fixed on a structural part of the steering arrangement in a fixing region. On the rocker bar, a pinging hammer is held such that it is deflectable with respect to the fixing region, and the rocker bar for the deflection of the pinging hammer is connected with the generator device. The pinging hammer can be brought into contact with a structural part of the steering arrangement.
    Type: Grant
    Filed: August 23, 2010
    Date of Patent: December 24, 2013
    Assignee: Thyssenkrupp Presta Aktiengesellschaft
    Inventor: Christian Lutz