SE525750C2 - Component for spline union comprises axle piece with peripheral, alternating bars and tracks, which at first end, axially displaceable, accommodate a corresponding axle piece with complementary bars and tracks - Google Patents
Component for spline union comprises axle piece with peripheral, alternating bars and tracks, which at first end, axially displaceable, accommodate a corresponding axle piece with complementary bars and tracksInfo
- Publication number
- SE525750C2 SE525750C2 SE0401473A SE0401473A SE525750C2 SE 525750 C2 SE525750 C2 SE 525750C2 SE 0401473 A SE0401473 A SE 0401473A SE 0401473 A SE0401473 A SE 0401473A SE 525750 C2 SE525750 C2 SE 525750C2
- Authority
- SE
- Sweden
- Prior art keywords
- component
- piece
- grooves
- fork
- bars
- Prior art date
Links
Classifications
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/387—Fork construction; Mounting of fork on shaft; Adapting shaft for mounting of fork
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D15/00—Corrugating tubes
- B21D15/02—Corrugating tubes longitudinally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
- B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/12—Making machine elements axles or shafts of specially-shaped cross-section
-
- 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
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
- F16D3/185—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth radial teeth connecting concentric inner and outer coupling parts
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
Abstract
Description
20 25 30 fffjl* arna fiff* n ,\,;J Därigenom kan uppnås en mycket höghållfast lättkonstruktion av tunnväggiga komponenter, utan någon som helst bearbetning, varigenom komponentens vikt och kostnaden för dess till- verkning kan minskas. In this way a very high-strength lightweight construction of thin-walled components can be achieved, without any machining, whereby the weight of the component and the cost of its manufacture can be reduced.
Presshärdningen innefattar formning av bommama och spåren genom radiell deformation av rörstycket.Press hardening involves forming the booms and grooves by radial deformation of the pipe piece.
En andra ände av komponenten är förbunden med en axelkomponent genom lasersvetsning.A second end of the component is connected to a shaft component by laser welding.
Genom lasersvetsningen kan undvikas att härdningen löper ut på grund av för stark upphett- ning.Through laser welding, it can be avoided that the hardening expires due to excessive heating.
Axelkomponenten kan vara en kopplingsgaffel för en universalkoppling som likaså är fram- ställt genom varmfornming och presshärdning av ett tunnväggi gt stycke av borstål.The shaft component can be a coupling fork for a universal coupling which is also produced by thermoforming and press hardening of a thin-walled piece of boron steel.
Kopplingsgaffeln kan vara framställd genom förbindning med varandra t.ex. genom limning av två i varandra passande tunnväggi ga gaffelstycken. På detta sätt kan användas tunnväggi ga delar, vilka lätt kan formas var för sig och vilka när de sammanfogas åstadkommer en hög hållfasthet motsvarande den hos ett motsvarande tj ockväggigt gaffelstycke.The coupling fork can be made by connecting to each other e.g. by gluing two matching thin-walled fork pieces. In this way, thin-walled parts can be used, which can be easily formed individually and which, when joined together, provide a high strength corresponding to that of a corresponding thick-walled fork piece.
Andra särdrag och fördelar med uppfinningen framgår av följ ande detaljerade beskrivning och av patentlqaven.Other features and advantages of the invention will become apparent from the following detailed description and from the patent law.
KORTFATTAD RITNIN GSBESKRIVNIN G FIG. 1 visar en del av en kardanaxel framställd av komponenter enligt uppfinningen; FIG. 2 visar med isärdragna delar komponenter enligt uppfinningen; FIG. 3 visar i snitt och med bortbrutna delar ett splinesförband enligt uppfinningen; och FIG. 4 och 5 visar schematiskt i olika arbetslägen ett arrangemang för formning av en spli- neskomponent enligt uppfinningen. 10 15 20 25 30 C TI r t ÄJ-i DETALJERAD BESKRIVNING AV UTFÖRINGSEXEMPEL I FIG. 1 och 2 visas med en med 10 allmänt betecknad kardanaxel, vilken är försedd med komponenter enligt föreliggande uppfinning. Kardanaxeln 10 innefattar på känt sätt ett kar- danrör 12, vars ena ände har en splineskoppling 20 till en universalkopplingsgaffel 40. Endast själva kardanröret 12 av konventionell konstruktion, medan huvudkomponenterna hos spli- neskopplingen 20 och kopplingsgaffeln 40 är framställda enligt uppfinningen.BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows a part of a propeller shaft made of components according to the invention; FIG. 2 shows with disassembled parts components according to the invention; FIG. 3 shows in section and with broken away parts a spline joint according to the invention; and FIG. 4 and 5 schematically show in different working positions an arrangement for forming a spline component according to the invention. 10 15 20 25 30 C TI r t ÄJ-i DETAILED DESCRIPTION OF EMBODIMENTS IN FIG. 1 and 2 are shown by a cardan shaft generally designated 10, which is provided with components according to the present invention. The gimbal shaft 10 comprises in a known manner a gimbal tube 12, one end of which has a spline coupling 20 to a universal coupling fork 40. Only the gimbal tube 12 itself of conventional construction, while the main components of the spline coupling 20 and the coupling fork 40 are made according to the invention.
Som särskilt framgår av FIG. 3, består splineskopplingen 20 av en inre splineskomponent 22 och en yttre splineskomponent 32. På vanligt sätt har den inre splineskomponenten 22 utvän- diga bommar 24 och utvändiga spår 26, medan den yttre splineskomponenten 32 på motsva- rande sätt har invändiga bommar 34 och invändiga spår 36, så att den inre splineskomponen- ten 22 kan teleskopiskt törskjutbart upptas i den yttre splineskomponenten 32 och så att sam- tidigt vridmoment kan överföras mellan komponenterna 22, 32.As can be seen in particular from FIG. 3, the spline coupling 20 consists of an inner spline component 22 and an outer spline component 32. Typically, the inner spline component 22 has outer bars 24 and outer grooves 26, while the outer spline component 32 correspondingly has inner bars 34 and inner grooves. groove 36, so that the inner spline component 22 can be telescopically slidably received in the outer spline component 32 and so that simultaneous torque can be transmitted between the components 22, 32.
Enligt uppfinningen är var och en splineskomponentema 22 och 32 framställda genom press- härdning av ett tunnväggigt rörstycke ohärdat borstål. Det är i och för sig känt att ett härdbart stål med en liten tillsats av bor kan presshärdas till ett ultrahöghållfast stål med en sträckgräns på ungefär 1100 MPa. Med presshärdning avses här varmformning av ett upphettat ämne som härdas genom snabb avkylning.According to the invention, each of the spline components 22 and 32 is made by press hardening a thin-walled piece of uncured boron steel. It is known per se that a hardenable steel with a small addition of boron can be die hardened to an ultra-high-strength steel with a yield strength of approximately 1100 MPa. Press curing here refers to thermoforming of a heated substance which is cured by rapid cooling.
Var och en av splineskomponentema 22, 32 kan formas med ett formarrangemang 60 som är schematiskt framställt i FIG. 4 och 5. En fast inre formlqopp 62 har en ytterkontur som mot- svaras av innerkonturen av den splineskomponent 22, 32 som skall framställas. Radiellt för- skjutbara yttre fonnkroppar 68 är jämnt fördelade nmt den inre fonnkroppen 62 och fram och åter drivbara av linjära ställdon 72.Each of the spline components 22, 32 may be formed with a mold arrangement 60 schematically illustrated in FIG. 4 and 5. A fixed inner mold race 62 has an outer contour which corresponds to the inner contour of the spline component 22, 32 to be produced. Radially displaceable outer mold bodies 68 are evenly distributed along the inner mold body 62 and reciprocable by linear actuators 72.
En splineskomponent såsom komponenten 22 fonnas från ett tunnväggigt rörstycke eller rör- ämne 30 som dessförinnan upphettats upphettats i ugn till t.ex. 940 °C. Det upphettade röräm- net 30 träs över den inre formkroppen 62 såsom visas i FIG. 4. Därefter aktiveras samtidigt samtliga ställdon 72 så att var och en av de rörliga fonnkropparna 68 pressar in rörämnets 30 radiellt framförliggande parti i tillhörande spår 64 hos den fasta fonnkroppen 62. De rörliga formkropparna 68 kan ha en sådan form att de i sina fiamskjutna lägen precis övertäcker hela 10 15 20 25 30 :jar-L tuff; ~._. ._ \J 1 2,- Q ämnets 30 omkrets (ej visat), dvs. ej enbart ingriper i spåren 64 utan även med området utan- för bommarna 66 mellan spåren 64. På ömse sidor av var och en av de rörliga formkroppar 68 som inträder i spåren 64 kan, som antyds i FIG. 4 och 5, emellertid i stället finnas separata formkroppar 70 som fjädrande ingriper med rörämnet 30 utanför bommama 66.A spline component such as component 22 is formed from a thin-walled piece of pipe or pipe blank 30 which has previously been heated and heated in an oven to e.g. 940 ° C. The heated tube blank 30 is threaded over the inner mold body 62 as shown in FIG. 4. Thereafter, all actuators 72 are activated simultaneously so that each of the movable mold bodies 68 presses the radially forward portion of the tube blank 30 into associated grooves 64 of the fixed mold body 62. The movable mold bodies 68 may have such a shape that in their interposed positions just covers the whole 10 15 20 25 30: jar-L tough; ~ ._. ._ \ J 1 2, - Q the circumference of the substance (not shown), ie. not only engages the grooves 64 but also the area outside the bars 66 between the grooves 64. On either side of each of the movable shaped bodies 68 entering the grooves 64 can, as indicated in FIG. 4 and 5, however, instead there are separate shaped bodies 70 which resiliently engage the tube blank 30 outside the bars 66.
De från varandra vända ändama 28 och 38 hos de samrnankopplade splineskomponentema 22 och 32 är som framgår av FIG. l avsedda att förbindas med universalkopplingsgaffeln 40 re- spektive kardanröret 12. Ändama 28 och 38 har därför en bibehållen cirkulärcylindrisk form.The facing ends 28 and 38 of the interconnected spline components 22 and 32 are as shown in FIG. 1 intended to be connected to the universal coupling fork 40 and the gimbal tube 12, respectively. The ends 28 and 38 therefore have a retained circular-cylindrical shape.
Detta uppnås på ej visat sätt genom en motsvarande fonn hos den inre formkroppen 62 och de yttre formkropparna 68, så att bommama 24, 34 och spåren 26, 36 avslutas på ett avrunda sätt på avstånd från ändarna 28, 38. Kardanröret 12 och kopplingsgaffelrr 40 förbinds enligt upp- finningen med splineskomponentema medelst lasersvetsning. Genom användning av laser- svetsning riskerar inte de härdade delarna att upphettas i sådan utsträckning att härdningen löper ur ståhnaterialet.This is achieved in a manner not shown by a corresponding shape of the inner mold body 62 and the outer mold bodies 68, so that the bars 24, 34 and the grooves 26, 36 terminate in a rounded manner at a distance from the ends 28, 38. The gimbal tube 12 and coupling fork 40 is connected according to the invention to the spline components by means of laser welding. By using laser welding, the cured parts do not risk being heated to such an extent that the curing runs out of the standing material.
Under forrrmingen eller när forrnningen är avslutad kyls snabbt den färdiga splineskomponen- ten 22 på i och för sig känt sätt, t.ex. med vatten. Den fasta och de rörliga formkroppama 62, 68, 70 kan för detta ändamål vara försedda med ej visade inre kanaler i vilka vattnet kan cir- kulera.During preforming or when preforming is complete, the finished spline component 22 is rapidly cooled in a manner known per se, e.g. with water. The fixed and the movable shaped bodies 62, 68, 70 may for this purpose be provided with internal channels (not shown) in which the water can circulate.
Universalkopplingsgaffeln 40 tillverkas likaså genom varmfonnning och presshärdning av tunnväggigt ohärdat borstål. Kopplingsgaffeln 40 är som framgår av FIG. 2 framställd i två stycken, dvs. ett yttre gaffelstycke 42 och ett inre gaffelstycke 46. Det yttre gaffelstycket 42 kan liksom splineskomponentema 22, 32 vara format från ett ej visat rörämne, medan det inre gaffelstycket 46, som har en botten 50, kan vara format genom djupdragrring fi-ån ett ej visat plant plåtämne. Fastän gaffelstyckena 42 och 46 i FIG. 1 och 2 visas med en cirkulärcylind- risk form, har de i själva verket företrädesvis en mer skålforrnig ytterperiferi som vidgas från förbindningsområdet 28 med splineskomponenten 22. Vart och ett av gaffelstyckena 42, 46 har vidare på känt sätt ett par tvärgående axelhål 44, 44 resp. 48, 48 för ett ej visat kopplings- kors. Ett par lagerbussningar 52, 52 sträcker sig genom axelhålen för svänglagring av det ej visade kopplingskorsets axeländar. Varje lagerbussníng 52 kan vara lasersvetsad till kopp- lingsgaffeln 42. Det inre gaffelstyckets 46 ytterkontur har en fin passning till det yttre gaffel- styckets 42 innerkontur. Gaffelstyckena 42, 46 kan förbindas med varandra genom limning.The universal coupling fork 40 is also manufactured by hot forming and press hardening of thin-walled uncured boron steel. The coupling fork 40 is as shown in FIG. 2 produced in two pieces, ie. an outer fork piece 42 and an inner fork piece 46. The outer fork piece 42 may, like the spline components 22, 32, be formed from a tubular blank (not shown), while the inner fork piece 46, which has a bottom 50, may be formed by deep drawing shown flat sheet metal. Although the fork pieces 42 and 46 in FIG. 1 and 2 are shown in a circular-cylindrical shape, in fact they preferably have a more cup-shaped outer periphery which widens from the connecting area 28 with the spline component 22. Each of the fork pieces 42, 46 further has in a known manner a pair of transverse shaft holes 44, 44 resp. 48, 48 for a coupling cross not shown. A pair of bearing bushings 52, 52 extend through the shaft holes for pivotal bearing of the shaft ends of the coupling cross (not shown). Each bearing bushing 52 may be laser welded to the coupling fork 42. The outer contour of the inner fork piece 46 has a fit to the inner contour of the outer fork piece 42. The fork pieces 42, 46 can be connected to each other by gluing.
Claims (9)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0401473A SE0401473L (en) | 2004-06-10 | 2004-06-10 | Component for a spline dressing and method and apparatus for making such a component |
DE112005001328T DE112005001328T5 (en) | 2004-06-10 | 2005-06-03 | Component for grooved connection |
PCT/SE2005/000841 WO2005121582A1 (en) | 2004-06-10 | 2005-06-03 | Spline joint part |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0401473A SE0401473L (en) | 2004-06-10 | 2004-06-10 | Component for a spline dressing and method and apparatus for making such a component |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0401473D0 SE0401473D0 (en) | 2004-06-10 |
SE525750C2 true SE525750C2 (en) | 2005-04-19 |
SE0401473L SE0401473L (en) | 2005-04-19 |
Family
ID=32653566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0401473A SE0401473L (en) | 2004-06-10 | 2004-06-10 | Component for a spline dressing and method and apparatus for making such a component |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE112005001328T5 (en) |
SE (1) | SE0401473L (en) |
WO (1) | WO2005121582A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107000014A (en) * | 2014-11-26 | 2017-08-01 | 蒂森克虏伯普利斯坦股份公司 | The method and flexible steering spindle of the Special hollow axle of the flexible steering spindle of production |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007037784B4 (en) * | 2007-08-07 | 2020-07-09 | Elisabeth Braun | Gear component for the transmission of driving forces |
DE102008025165B4 (en) * | 2008-05-26 | 2013-06-06 | Elisabeth Braun | driving member |
US9616484B2 (en) * | 2008-12-18 | 2017-04-11 | Pratt & Whitney Canada Corp. | Method and apparatus for forming a turbofan mixer |
MX2013000085A (en) | 2010-07-06 | 2013-03-27 | Value Extraction Llc | Collapsible shaft assembly. |
CN103264120B (en) * | 2013-05-31 | 2015-05-06 | 长春一汽富维江森自控汽车金属零部件有限公司 | Automobile seat cushion rear pipe cold forming technology |
US10081845B2 (en) * | 2015-12-04 | 2018-09-25 | Baker Hughes, A Ge Company, Llc | Tubular strengthening and patterning method for enhanced heat transfer |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4470290A (en) * | 1981-09-04 | 1984-09-11 | Anderson-Cook, Inc. | Thin-wall sleeve forming |
DE10149220C1 (en) * | 2001-10-05 | 2002-08-08 | Benteler Automobiltechnik Gmbh | Process for producing a hardened sheet metal profile |
-
2004
- 2004-06-10 SE SE0401473A patent/SE0401473L/en not_active IP Right Cessation
-
2005
- 2005-06-03 DE DE112005001328T patent/DE112005001328T5/en not_active Withdrawn
- 2005-06-03 WO PCT/SE2005/000841 patent/WO2005121582A1/en active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107000014A (en) * | 2014-11-26 | 2017-08-01 | 蒂森克虏伯普利斯坦股份公司 | The method and flexible steering spindle of the Special hollow axle of the flexible steering spindle of production |
US10634184B2 (en) | 2014-11-26 | 2020-04-28 | Thyssenkrupp Ag | Method for producing a profiled hollow shaft for a telescopic steering shaft and telescopic steering shaft |
Also Published As
Publication number | Publication date |
---|---|
SE0401473D0 (en) | 2004-06-10 |
DE112005001328T5 (en) | 2007-05-03 |
WO2005121582A1 (en) | 2005-12-22 |
SE0401473L (en) | 2005-04-19 |
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Legal Events
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NUG | Patent has lapsed |