WO2024032840A1 - Unité de fonctionnement réglable longitudinalement et système de direction par câble - Google Patents

Unité de fonctionnement réglable longitudinalement et système de direction par câble Download PDF

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Publication number
WO2024032840A1
WO2024032840A1 PCT/DE2023/100392 DE2023100392W WO2024032840A1 WO 2024032840 A1 WO2024032840 A1 WO 2024032840A1 DE 2023100392 W DE2023100392 W DE 2023100392W WO 2024032840 A1 WO2024032840 A1 WO 2024032840A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
receptacle
outer guide
guide tube
dome
Prior art date
Application number
PCT/DE2023/100392
Other languages
German (de)
English (en)
Inventor
Joseph GISSLER
Sebastian Müller
Benjamin Severin
Original Assignee
Schaeffler Technologies AG & Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2024032840A1 publication Critical patent/WO2024032840A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/185—Steering columns yieldable or adjustable, e.g. tiltable adjustable by axial displacement, e.g. telescopically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/04—Ball or roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/12—Arrangements for adjusting play
    • F16C29/123—Arrangements for adjusting play using elastic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles
    • F16C3/03—Shafts; Axles telescopic
    • F16C3/035—Shafts; Axles telescopic with built-in bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/001—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup
    • B62D5/005—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup means for generating torque on steering wheel or input member, e.g. feedback
    • B62D5/006—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup means for generating torque on steering wheel or input member, e.g. feedback power actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/20—Land vehicles
    • F16C2326/24—Steering systems, e.g. steering rods or columns
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/37—Loose spacing bodies
    • F16C33/3713—Loose spacing bodies with other rolling elements serving as spacing bodies, e.g. the spacing bodies are in rolling contact with the load carrying rolling elements

Definitions

  • the present invention relates to a length-adjustable operating unit for influencing the direction of travel of a motor vehicle by a user, in particular for use in a steer-by-wire system, comprising a telescopic pull-out device with an outer guide tube, in in which an inner extension tube is guided in a translationally displaceable manner relative to the outer guide tube, the telescopic extension device being coupled on the one hand to a steering means, an actuation of the steering means representing a steering direction causing a rotation of the outer guide tube or the inner extension tube, and the telescopic extension device on the other hand with a Motor is coupled, by means of which the outer guide tube or the inner extension tube can be acted upon with a motor torque.
  • the invention further relates to a steer-by-wire system.
  • Electric steering devices are used - among other things in motor vehicles - to receive a driver's direction request and to convert it into corresponding movements of one or more wheels.
  • a distinction is made between electrical steering devices between electrically assisted steering devices and fully electric steering devices, so-called “steer-by-wire” steering devices.
  • these steer-by-wire steering devices have the advantage that the control unit can be positioned relatively freely within the vehicle independently of mechanical connection components, which, in addition to cost savings when distinguishing between, for example, right-hand and left-hand drive vehicles, also improves accident behavior due to the absence a steering column.
  • a steer-by-wire steering system in the context of the present invention is to be understood as meaning a steering system which essentially consists of a so-called hand wheel actuator (HWA), for example the actuator system around the commanding vehicle steering wheel, and a road wheel actuator ( RWA), i.e. the one on the actuators connected to the steering mechanism connected to the vehicle wheels.
  • HWA hand wheel actuator
  • RWA road wheel actuator
  • the steering signal is transmitted from the HWA to the RWA via wire.
  • Such systems are basically known from the prior art.
  • DE 102015224602 A1 discloses an adjustable steering column for a steer-by-wire steering device of a motor vehicle, comprising an actuating unit which includes a steering spindle rotatably mounted in a casing unit about a longitudinal axis, the casing unit having a first casing tube in which at least one second casing tube is arranged in a rotationally fixed manner with respect to the longitudinal axis and is mounted in a telescopic, axially displaceable manner, with an actuator being connected to the first and second casing tubes, of which the second casing tube can be axially retracted and extended relative to the first casing tube, and which comprises a spindle drive with a parallel to the longitudinal axis, which can be driven in rotation by an electric servomotor and which is supported on a casing tube and which is screwed into a spindle nut which is attached to the other casing tube in a rotationally fixed manner, the threaded spindle extending within the first casing tube, and the spin
  • DE 102018212696 B3 also discloses an adjustment drive for a motor-adjustable steering column for a motor vehicle, comprising a motor drive unit and an external threaded spindle which has an external thread and a coaxial internal thread into which an internally threaded spindle engages, wherein the external threaded spindle and the internal threaded spindle can be driven by the drive unit to rotate relative to one another about an axis.
  • DE 102018 212696 B3 proposes that the external threaded spindle engages with its external thread in a drive nut, wherein the drive nut or the internally threaded spindle of the drive unit can be driven in rotation and is supported in the direction of the axis relative to the drive unit.
  • the object of the invention is an improved length-adjustable operating unit for influencing the direction of travel of a motor vehicle by a user, in particular for use in a steer-by-wire system. It is also the object of the invention to realize an improved steer-by-wire system.
  • a length-adjustable operating unit for influencing a driving direction of a motor vehicle by a user comprising a telescopic extension device with an outer guide tube, in which an inner extension tube is translational relative to the outer guide tube is displaceably guided, the telescopic extension device being coupled on the one hand to a steering means, an actuation of the steering means representing a steering direction causing a rotation of the outer guide tube or the inner extension tube, and the telescopic extension device on the other hand being coupled to a motor, by means of which the outer guide tube or the inner extension tube can be acted upon by a motor torque, the outer guide tube and the inner extension tube being mounted in a translationally displaceable manner relative to one another in a torque-transmitting manner via a rolling bearing arrangement, the rolling bearing arrangement having at least one first bearing element with a dome-like receptacle formed in a base body, which has a dome-like receptacle
  • the Telescopic pull-out device has extremely low wear, which can also be adjusted, for example, using a built-in spring element. Furthermore, the telescopic pull-out device is particularly acoustically inconspicuous. Due to the springing of the bodies, further damping is achieved at higher moments and savings can be made in the shape accuracy of the raceways. Due to this arrangement, depending on the variant, a raceway is only necessary in the pipe or in the shaft.
  • the first bearing ball can in particular be formed from a metallic material. It is also possible for the first bearing ball to be made of ceramic or to have a ceramic coating.
  • the group of second bearing balls can also be formed from a metallic material.
  • the second bearing balls can be formed from a ceramic material. Furthermore, it is conceivable that the second bearing balls have a ceramic coating. It is particularly preferred that the group of second bearing balls consists of essentially identical bearing balls.
  • the inner extension tube can be designed as a hollow shaft or solid shaft. It is also conceivable that the inner extension tube is configured in sections as a hollow shaft and in sections as a solid shaft.
  • the rolling bearing arrangement has at least one second bearing element with a dome-like receptacle formed in a base body, which has a first bearing ball arranged in the dome-like receptacle and protruding therefrom and a group of second bearing balls arranged within the receptacle has, wherein the diameter of the first bearing ball is larger than the diameter of a second bearing ball of the group, the group of second bearing balls being arranged between the first bearing ball and the dome-like receptacle, so that the first bearing ball rolls on the group within the dome-like receptacle of the second bearing balls and the first one protruding from the at least second bearing element Bearing ball engages rollingly in a raceway extending axially through the outer guide tube or the inner extension tube, so that the outer guide tube and the inner extension tube are fixed to one another in the circumferential direction.
  • the rolling bearing arrangement has at least one third bearing element with a dome-like receptacle formed in a base body, which has a first bearing ball arranged in the dome-like receptacle and protruding from it and a group arranged within the receptacle of second bearing balls, the diameter of the first bearing ball being larger than the diameter of a second bearing ball of the group, the group of second bearing balls being arranged between the first bearing ball and the dome-like receptacle, so that the first bearing ball rolls within the dome-like receptacle rests on the group of second bearing balls and the first bearing ball protruding from the at least third bearing element rolls into a raceway extending axially through the outer guide tube or the inner extension tube, so that the outer guide tube and the inner extension tube are fixed to one another in the circumferential direction.
  • a statically determined rolling bearing can be provided solely by the low-friction bearing elements.
  • at least one of the raceways is designed as a groove into which one of the bearing balls engages.
  • the advantageous effect of this configuration is due to the fact that the raceways can be produced economically, for example by broaching and/or swaging.
  • the groove has a trapezoidal cross-sectional contour, with the bearing ball on the non-parallel sides of the trapezoidal groove, which allows good transmission of torque with good axial displacement at the same time.
  • the bearing ball then only has two point contacts on the non-parallel sides, which enables particularly low-friction and acoustically quiet operation of the telescopic pull-out device.
  • the invention can also be further developed in such a way that the first bearing element, the second bearing element and the third bearing element are designed to have essentially the same parts, whereby the component complexity and consequently also the costs can be reduced.
  • the outer guide tube or the inner extension tube has at least one receptacle extending in the radial direction, in which one of the bearing elements is accommodated.
  • bearing elements can be inserted in the guide tube and/or extension tube in a simple and safe manner and to be coupled to it. It can also be advantageous to further develop the invention in such a way that at least one of the bearing elements is preloaded in the radial direction by means of a spring element, so that the bearing ball rests against the raceway under spring force.
  • the advantage that can be achieved in this way is that the telescopic pull-out device can be designed without play.
  • angle compensation and tolerance compensation can also be provided in this way. It can be particularly preferred that all bearing elements are each preloaded via a spring element.
  • the spring element is supported on the one hand on the base body of the bearing element and on the other hand against the receptacle.
  • the object of the invention is further achieved by a steer-by-wire system for a motor vehicle comprising a length-adjustable operating unit according to one of claims 1-9. The invention will be explained in more detail below using figures without restricting the general idea of the invention.
  • Figure 1 a length-adjustable operating unit in an axial sectional view
  • Figure 2 a first embodiment of a length-adjustable operating unit in a cross-sectional view
  • Figure 3 a second embodiment of a length-adjustable operating unit in a cross-sectional view
  • Figure 4 a detailed view of a bearing element in a cross-sectional view
  • Figure 5 an isolated one Detailed view of the first bearing ball of the bearing element in a perspective view
  • Figure 6 shows a telescopic pull-out device in a schematic axial section view
  • Figure 7 shows a motor vehicle with a steer-by-wire steering system in a schematic block diagram.
  • Figure 1 shows a length-adjustable control unit 1 for influencing a Direction of travel of a motor vehicle 2 by a user, in particular for use in a steer-by-wire system 3, as is also sketched as an example in FIG.
  • the operating unit 1 comprises a telescopic pull-out device 4 with an outer guide tube 5, in which an inner pull-out tube 6 is guided in a translationally displaceable manner relative to the outer guide tube 5.
  • the telescopic extension device 4 is, on the one hand, coupled to a steering means 7, with an actuation of the steering means 7 representing the steering direction causing a rotation of the outer guide tube 5 or the inner extension tube 6, and the telescopic extension device 4, on the other hand, is coupled to a motor 8, by means of which the outer Guide tube 5 or the inner extension tube 6 can be acted upon by a motor torque.
  • the motor 8 therefore serves as a force feedback actuator in the embodiment shown.
  • the steering means 7 is a steering wheel in the exemplary embodiment shown.
  • an end angle limiter is installed axially outwards, which is supported on the casing tubes.
  • the outer guide tube 5 and the inner extension tube 6 are mounted in a translationally displaceable manner relative to one another in a torque-transmitting manner via a rolling bearing arrangement 9, the rolling bearing arrangement 9 having at least one first bearing element 10 with a dome-like receptacle 11 formed in a base body 15, which has a dome-like receptacle 11 arranged in the dome-like receptacle 11 and has a first bearing ball 12 protruding from this and a group of second bearing balls 13 arranged within the receptacle 11.
  • FFA force feedback actuator
  • the diameter of the first bearing ball 12 is larger than the diameter of a second bearing ball 13 of the group, the group of second bearing balls 13 being arranged between the first bearing ball 12 and the dome-like receptacle 11, so that the first bearing ball 12 is within the dome-like receptacle 11 rolls against the group of second bearing balls 13.
  • the first bearing ball 12 protruding from the first bearing element 10 engages in a rolling manner in a raceway 14 which extends axially through the outer guide tube 5 or the inner extension tube 6, so that the outer guide tube 5 and the inner extension tube 6 are fixed to one another in the circumferential direction.
  • Rolling bearing arrangement 9 has a second bearing element 20 with a dome-like receptacle 21 formed in a base body 25, which has a first bearing ball 22 arranged in the dome-like receptacle 21 and protruding therefrom and a group of second bearing balls 23 arranged within the receptacle 21.
  • the diameter of the first bearing ball 22 is larger than the diameter of a second bearing ball 23 of the group, the group of second bearing balls 23 being arranged between the first bearing ball 22 and the dome-like receptacle 21, so that the first bearing ball 22 is within the dome-like Recording 21 rolls against the group of second bearing balls 23.
  • the first bearing ball 22 protruding from the at least second bearing element 20 engages in a rolling manner in a raceway 24 which extends axially through the outer guide tube 5 or the inner extension tube 6, so that the outer guide tube 5 and the inner extension tube 6 are fixed to one another in the circumferential direction.
  • the first bearing ball 22 is captively accommodated in the second bearing element 20 in that the opening diameter of the corresponding circular opening in the second bearing element 20 is smaller than the diameter of the first bearing ball 22.
  • the rolling bearing arrangement 9 a third bearing element 30 with a dome-like receptacle 31 formed in a base body 35, which has a first bearing ball 32 arranged in the dome-like receptacle 31 and protruding therefrom and a group of second bearing balls 33 arranged within the receptacle 31.
  • the diameter of the first bearing ball 32 is larger than the diameter of a second bearing ball 33 of the group, the group of second bearing balls 33 being arranged between the first bearing ball 32 and the dome-like receptacle 31, so that the first bearing ball 32 rolls within the dome-like receptacle 31 rests against the group of second bearing balls 33.
  • the first bearing ball 32 protruding from the third bearing element 30 engages in a rolling manner in a raceway 34 which extends axially through the outer guide tube 5 or the inner extension tube 6, so that the outer guide tube 5 and the inner extension tube 6 are fixed to one another in the circumferential direction.
  • the first bearing ball 32 is captively accommodated in the third bearing element 30 in that the opening diameter of the corresponding circular opening in the third bearing element 30 is smaller than the diameter of the first bearing ball 32.
  • Figures 2-3 also show that the first bearing element 10, the second bearing element 20 and the third bearing element 30 are designed to be essentially the same parts.
  • the raceways 14, 24, 34 are each designed as a groove, into which one of the bearing balls 12, 22, 32 engages correspondingly.
  • Figure 4 also shows that the groove has a trapezoidal cross-sectional contour, with the bearing ball 12, 22, 32 resting on the non-parallel sides 42 of the trapezoidal groove.
  • the outer guide tube 5 or the inner extension tube 6 has a total of three receptacles 40 extending in the radial direction, in which one of the bearing elements 10, 20, 30 is accommodated.
  • the bearing elements 10, 20, 30 are arranged in the inner extension tube 6, with the bearing balls 12, 22, 32 then rolling on the raceways 14, 24, 34 of the outer guide tube 5.
  • the bearing elements 10, 20, 30 are arranged in the outer guide tube 5, with the bearing balls 12, 22, 32 rolling here on the raceways 14, 24, 34 of the inner extension tube 6. 2 also shows that one of the bearing elements 10 is prestressed in the radial direction by means of a spring element 41, so that the bearing ball 12 rests against the raceway 14 under spring force.
  • the spring element 41 supports on the one hand on the base body 15 of the bearing element 10 and on the other hand against the receptacle 40.
  • the spring element 41 can in particular be designed as a plate spring.
  • the bearing elements 20 and 30 can also be preloaded by means of a spring.
  • Figure 6 shows the embodiment known from Figure 2 in an axial sectional view.
  • the outer guide tube 5 is connected to the motor 8, which is arranged in a stationary manner with the guide tube 5 in the operating unit 1.
  • the inner extension tube 6 can then be translationally displaced by the rolling bearing arrangement 9, so that the steering means 7 can be pulled out or retracted relative to the outer guide tube 5.
  • Figure 7 shows a steer-by-wire system 3 for a motor vehicle 2 comprising a length-adjustable operating unit 1, as is known, for example, from Figure 1.
  • control unit 1 which can also be referred to as an HWA - hand wheel actuator
  • RWA - road wheel actuator 43 is then electrically controlled, which then converts the steering movement of the HWA to the vehicle wheels.
  • the invention is not limited to the embodiments shown in the figures. The foregoing description is therefore not to be viewed as limiting but rather as illustrative.
  • the following patent claims are to be understood as meaning that a stated feature is present in at least one embodiment of the invention. This does not exclude the presence of other features.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Ocean & Marine Engineering (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

L'invention concerne une unité de commande (1) réglable longitudinalement comprenant un dispositif à extraction télescopique (4) doté d'un tube de guidage externe (5), dans lequel un tube d'extraction interne (6) est guidé de manière à pouvoir se déplacer en translation par rapport au tube de guidage externe (5), le dispositif d'extraction télescopique (4) étant accouplé d'un côté à un moyen de direction (7), un actionnement du moyen de direction (7) représentant une direction de direction provoquant une rotation du tube de guidage externe (5) ou du tube d'extraction interne (6), et le dispositif d'extraction télescopique (4) étant accouplé de l'autre côté à un moteur (8) au moyen duquel un couple moteur peut être appliqué au tube de guidage externe (5) ou au tube d'extraction interne (6), le tube de guidage externe (5) et le tube d'extraction interne (6) étant supportés de manière à transmettre un couple par l'intermédiaire d'un agencement de roulement à rouleaux (9) de façon à pouvoir être déplacés en translation l'un par rapport à l'autre, l'agencement de roulement à rouleaux (9) ayant au moins un premier élément de roulement (10) avec un réceptacle de type coupelle (11) formé dans un corps principal (15), lequel réceptacle de type coupelle a une première bille de roulement (12) agencée dans le réceptacle de type coupelle (11) et faisant saillie hors de celui-ci et a un groupe de secondes billes de roulement (13) agencées à l'intérieur du réceptacle (11).
PCT/DE2023/100392 2022-08-08 2023-05-25 Unité de fonctionnement réglable longitudinalement et système de direction par câble WO2024032840A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022119869.3A DE102022119869A1 (de) 2022-08-08 2022-08-08 Längenverstellbare Bedieneinheit und Steer-By-Wire-System
DE102022119869.3 2022-08-08

Publications (1)

Publication Number Publication Date
WO2024032840A1 true WO2024032840A1 (fr) 2024-02-15

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ID=86760341

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Application Number Title Priority Date Filing Date
PCT/DE2023/100392 WO2024032840A1 (fr) 2022-08-08 2023-05-25 Unité de fonctionnement réglable longitudinalement et système de direction par câble

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DE (1) DE102022119869A1 (fr)
WO (1) WO2024032840A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280341A (en) * 1978-02-04 1981-07-28 Uni-Cardan Ag Telescopic drive shaft
US20060188183A1 (en) * 2003-09-12 2006-08-24 Kaoru Iguchi Ball bearing
DE102015224602A1 (de) 2015-12-08 2017-06-08 Thyssenkrupp Ag Lenksäule für eine steer-by-wire-Lenkeinrichtung
DE102018212696B3 (de) 2018-07-30 2019-11-07 Thyssenkrupp Ag Verstellantrieb für eine Lenksäule und Lenksäule für ein Kraftfahrzeug
DE102019007741A1 (de) * 2019-11-04 2021-05-06 Willi Elbe Gelenkwellen Gmbh & Co. Kg Verstelleinrichtung für eine Lenksäule eines Fahrzeuges, vorzugsweise eines Kraftfahrzeuges

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280341A (en) * 1978-02-04 1981-07-28 Uni-Cardan Ag Telescopic drive shaft
US20060188183A1 (en) * 2003-09-12 2006-08-24 Kaoru Iguchi Ball bearing
DE102015224602A1 (de) 2015-12-08 2017-06-08 Thyssenkrupp Ag Lenksäule für eine steer-by-wire-Lenkeinrichtung
DE102018212696B3 (de) 2018-07-30 2019-11-07 Thyssenkrupp Ag Verstellantrieb für eine Lenksäule und Lenksäule für ein Kraftfahrzeug
DE102019007741A1 (de) * 2019-11-04 2021-05-06 Willi Elbe Gelenkwellen Gmbh & Co. Kg Verstelleinrichtung für eine Lenksäule eines Fahrzeuges, vorzugsweise eines Kraftfahrzeuges

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DE102022119869A1 (de) 2024-02-08

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