EP2843134B1 - Système de support interchangeable pour un rouleau de compactage et un rouleau compresseur - Google Patents

Système de support interchangeable pour un rouleau de compactage et un rouleau compresseur Download PDF

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Publication number
EP2843134B1
EP2843134B1 EP14182122.3A EP14182122A EP2843134B1 EP 2843134 B1 EP2843134 B1 EP 2843134B1 EP 14182122 A EP14182122 A EP 14182122A EP 2843134 B1 EP2843134 B1 EP 2843134B1
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EP
European Patent Office
Prior art keywords
holder
roller
tool
change holder
change
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EP14182122.3A
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German (de)
English (en)
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EP2843134A1 (fr
Inventor
Matthias Meier
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Hamm AG
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Hamm AG
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/236—Construction of the rolling elements, e.g. surface configuration, rolling surface formed by endless track
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/026—Improving by compacting by rolling with rollers usable only for or specially adapted for soil compaction, e.g. sheepsfoot rollers
    • E02D3/039—Slope rollers

Definitions

  • the present invention relates to a changeover holder assembly according to the preamble of claim 1.
  • a change-holder assembly according to the preamble of claim 1 is from the document US 2 312 471 A known.
  • Another changeover holder assembly is from the WO 2013/107545 A2 known.
  • the changeover holders are elongated in the circumferential direction and have two circumferentially oriented circumferential sides and two axial sides oriented in the direction of the axis of rotation of the compressor roller.
  • the two circumferential sides and also the two axial sides are inclined relative to one another in such a way that the changeover holder is tapered starting from a connection region connected to the compressor roller to a roller tool contact side provided for supporting a roller tool.
  • a holder opening is formed, in which a provided on the roller tool holder shaft can be inserted.
  • a ring-like locking member is provided surrounding the holder shaft, which is on the other hand engageably positioned in a groove-like Arretierorgan matterö réelle on the changeover holder on the one hand and a groove-like Arretierorgan matterö réelle on the holder shaft.
  • the change holder is at its intended to support the roll tool rolling tool plant side so shaped, that it provides with a complementary shape on a provided for support on the change holder holder holder side of a respective roll tool on the other hand, a rotation of a roll tool about the opening longitudinal axis substantially suppressing positive engagement.
  • this object is achieved by a defined in claim 1 change holder assembly for a compactor roller for a soil compactor comprising a fixed to a roll shell change holder and at least one to be determined on the change holder roller tool with a removable holder can be brought into holding engagement and lockable with respect to the interchangeable backstop, wherein the change holder has a roller tool contact side and the at least one roller tool has a support on the roller tool contact side Kirhalterstrom page.
  • additional technical measures may be provided in addition to the above-mentioned complementary and therefore already form-locking configuration of the swap holder on the one hand and a roller tool to be fixed thereto by providing at least one anti-rotation recess and at least one anti-rotation protrusion to be positioned which can be designed in terms of their shape and, for example, their depth of engagement so that an optimal rotation for a roll tool on the change holder is given.
  • an anti-rotation recess and an anti-rotation projection engaging in the latter can be coordinated with one another such that substantially no forces that stress away in the direction of the change-over holder are generated even when the roller tool is rotating.
  • an unwanted detachment of the same is prevented by the change holder even when occurring rotational load of a roller tool.
  • the change holder or the counter holder comprises a holder opening and that the counter holder or the change holder an insertable into the holder opening holder shank, wherein in at least one region laterally of the holder opening an anti-rotation recess and / or an anti-rotation projection is provided and in at least one region laterally of the holder shank an anti-rotation projection and / or an anti-rotation recess is provided.
  • a very stable and an unwanted rotation of a roll tool efficiently inhibiting arrangement can be provided that in a rotation-securing recess and / or an anti-rotation projection is provided in a first region laterally of the holder opening, and an anti-rotation recess and / or an anti-rotation projection is provided laterally of the holder opening, and in a first region laterally of the holder shank an anti-rotation projection or / and an anti-rotation recess is provided and in a first region opposite the second region of the side of the holder shaft, an anti-rotation projection and / or an anti-rotation recess is provided.
  • the change holder preferably adapted to the curved outer circumference of the compressor roller connection area for connection to an outer peripheral surface of the compressor roller and the trained for supporting a roller tool and the outer peripheral surface of the compressor roller in
  • the changeover holder has two circumferential sides to be oriented substantially in the circumferential direction of a compacting roller and two axial sides to be oriented essentially in the direction of a compactor roller axis.
  • the exchangeable holder is tapered from the connection region to the roller tool contact side and the peripheral sides are under one larger angles are inclined to each other, as the axial sides.
  • At least one anti-rotation recess or / and at least one anti-rotation projection is provided in the region of at least one axial side of the interchangeable holder.
  • a symmetrical arrangement is advantageously provided in which an anti-rotation projection or an anti-rotation recess can be provided on both axial sides.
  • the change holder has a soil cultivation area which comes into contact with the soil to be processed on this roll tool, preferably on at least one circumferential side at least one soil cultivation projection is provided in the soil cultivation area.
  • the holder opening is provided in the change holder and in that the holder opening is surrounded on the roller tool contact side by a first support surface which is preferably substantially orthogonal to an opening longitudinal axis, wherein at least one anti-rotation recess and / or at least one anti-rotation projection is provided in the first support surface and / or adjacent the first support surface.
  • each second support surface is provided in the adjoining region of a peripheral side to an axial side and / or that on the Walzentechnikmaschineuiteseite at least one axial side between two second support surfaces at least is provided with respect to this angled third support surface and / or that is provided on the roll tool plant side at least one peripheral side between two second support surfaces at least one angled relative thereto fourth support surface.
  • At least one roller tool at least a second Jacobabstweil Scheme for support on a second support surface and / or at least a third Jacobabstweil Scheme for support on a third support surface and / or at least a fourth Jacobabstschreib Scheme for support to at least a fourth Has support surface.
  • a stable connection of a roller tool to the changeover holder can be achieved in that the counter holder can be locked by means of a locking member on the change holder.
  • an preferably annular groove-like first Arretierorgan matterö réelle is provided on an inner circumference of the holder opening and / or that on an outer circumference of the holder shank preferably a ringnutartig formed second Arretierorgan matterö réelle is formed, wherein in the first Arretierorgan matterö réelle or the second Arretierorganingö réelle a for locking a roll tool on the change holder in the other Arretierorganingö réelle latched, preferably annular trained locking member is received.
  • the rotational stability of a roller tool is fundamentally not provided by the configuration ensuring the cohesion of the interchangeable holder with a roller tool. This take in the erfindungsgze end structure primarily interlocking anti-rotation projections and anti-rotation recesses.
  • a roll tool to be fixed to such a change holder may comprise a chisel, but in principle may also comprise a stamp foot. It should be noted here that both chisels and stamp feet can be provided with a wide variety of configurations.
  • a roller tool as a padfoot with generally not rotationally symmetrical configuration, the provision of the anti-rotation projections or anti-rotation recesses according to the invention for ensuring a defined Positon ist a roller tool on the changeover holder of substantial importance.
  • the present invention further relates to a compactor roller for a soil compactor, which comprises on an outer periphery thereof at least one changeover holder assembly according to the invention.
  • a plurality of such Kirzieran angelen is provided in each case in annular formations on the outer circumference of the compressor roller in order to produce over the entire roll circumference and over the entire roll length across a uniform compression or crushing functionality can.
  • the invention further relates to a soil compactor having at least one such Verdicherwalze.
  • the in the Fig. 1 and 2 shown exchange holder assembly 10 includes a designated with a generally designated 12 connection area on the outer periphery of a roll shell of a compactor roller of a soil compactor change holder 14.
  • Fig. 1 illustrated side view trapezoidal shaped changeover holder 14 is generally U-shaped and with its two leg portions 16, 18 set for example by welding on the roll shell.
  • change tool plant side 20 of the change holder 14 is formed so that it in the embodiment of the Fig. 1 and 2 record as a stamp foot trained roller tool 22 and can support with the Desihalterstromseite 23.
  • the in Fig. 8 also exchange holder shown in perspective comprises two when mounting the same on the outer circumference of a roll mantle preferably oriented in the direction of a rotation axis of a compressor roll lying axial sides 24, 26 and two circumferentially oriented around this compressor roll axis circumferential sides 28, 30.
  • Both the axial sides 24, 26, as well the peripheral sides 28, 30 are angled with respect to each other, wherein the inclination angle of the peripheral sides 28, 30 with respect to each other is greater than the inclination angle of the axial sides 24, 26th
  • a turf-like projecting soil cultivation projection 34, 36 is provided in each case in a tilling region 32 not covered by the roller tool 22.
  • these tillage projections 34, 36 come into contact with the substrate to be processed and can crush rocks or boulders.
  • a holder opening 38 extending in the direction of an opening longitudinal axis L is formed.
  • a holder shaft 40 which can be introduced into this holder opening 40 is provided. Both the holder opening 38, and the holder shaft 40 are formed for example with a circular cross-section.
  • an example of a ring-like locking member 42 is the holder shaft 40 surrounding received in a formed on the outer peripheral surface Arretierorganfactö réelle 44.
  • a likewise ringnutartig formed Arretierorganfactö réelle 46 is provided, in which the annular locking member 42 can engage.
  • a for opening longitudinal axis L for example, substantially orthogonally oriented first support surface 48 is provided.
  • first support surface 48 is provided at the abutment areas between a respective peripheral side 28, 30 on the axial sides 24, 26 with respect to the opening longitudinal axis L radially outside of the first support surface 48 adjacent second support surfaces 50.
  • a third support surface 52 is provided in each case.
  • respective fourth support surfaces 54 are provided between two respective lateral circumferential sides 28 and 30, respectively, assigned to second support surfaces 50.
  • the second support surfaces 50, third support surfaces 52 and fourth support surfaces 54 form a facet-like or prismatic surface formation surrounding the first support surface 48 in a ring-like manner, which generally provides a form-fitting engagement formation 56.
  • a generally designated 58 counter-form-fitting engagement information.
  • this comprises respective second counter-support regions 60 which can come into contact with the second support surfaces 50.
  • a third is in supporting interaction with a respective third support surface 52.
  • the form-fitting engagement formation 56 and the counter-form-fitting engagement formation 58 may be formed so that all the above-mentioned support surfaces and Jacobabstweil Schemee can come into abutment against each other. In principle, however, could also be provided that z. B. only in the four corners, ie at the second support surfaces 50 and second Schwarzabstweil Schemeen 60 an investment interaction is generated.
  • the interchangeable holder 14 is located in regions 66, 68 located laterally relative to the holder opening 38 Anti-rotation recesses 70, 72 provided. These radially adjoin the first support surface 48, or may extend into the region of the same, and lie substantially diametrically opposite one another with respect to the holder opening 38 or the opening longitudinal axis L.
  • the two anti-rotation recesses 70, 72 are formed substantially in the region of the third support surfaces 52 and both in the direction of the opening longitudinal axis L in the direction away from the connection region 12, as well as in the direction of the axial sides 24, 26 open.
  • anti-rotation projections 78, 80 are provided on the roller tool 22 in areas 74, 76 located laterally relative to the holder shaft 40. These are relative to the holder shaft 40 substantially diametrically opposite one another and are dimensioned and positioned so that they engage in the anti-rotation recesses 70, 72 when mounted on the change holder 14 roller tool 22. Thus, a stable rotational fixation for the roller tool 22 with respect to the interchangeable holder 14 is generated.
  • the anti-rotation recesses 70 have side surfaces 82, 84 oriented essentially parallel to the longitudinal axis L and correspondingly the anti-rotation projections 78, 70 with in the direction of the opening longitudinal axis L or in the direction of the longitudinal axis of the holder shaft 40 substantially parallel side surfaces 86, 88 are limited.
  • a rotational loading of a roller tool 42 thus leads to mutual abutment, for example, of the side surfaces 88 on the side surfaces 84, which generate substantially no force component acting in the direction of the opening longitudinal axis L due to their orientation substantially parallel to the opening longitudinal axis L.
  • a rotational load of the roller tool 22 thus does not lead to a forced axial load, which could have a detachment of the locking member 42 from the change holder 14 to the episode.
  • anti-rotation recesses 70, 72 or anti-rotation projections 78, 80 could of course be provided with a different shape, with a different number or at different positioning, for example in the circumferential direction about the opening longitudinal axis L. It is of course also possible to provide the anti-rotation recesses on the roller tool 22 and the anti-rotation projections on the changeover holder 14. Also could, for example, to allow only a further limited number of mounting positions of a roller tool 22 on the change holder 14, on the roller tool 22 an anti-rotation projection and an anti-rotation recess may be provided, while complementary to the change holder 14 an anti-rotation recess and an anti-rotation projection could be provided.
  • the inventive provision of interlocking anti-rotation projections and anti-rotation recesses is particularly important, especially when a roller tool with a non-rotationally symmetrical and thus a certain relative positioning with respect to the interchangeable holder 14 demanding form is formed.
  • the z. B. may be formed with a dull or roof-like configuration or oriented in various directions wedge-like configuration.
  • a roller tool with a substantially rotationally symmetrical configuration such.
  • a chisel or round shank chisel be set. This can be introduced with a chisel shank as a holder shank into the holder opening 38 and be supported with its chisel head on the holder opening 38 surrounding the first support surface 48 on the roll tool plant side 20.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Road Repair (AREA)
  • Harvester Elements (AREA)
  • Road Paving Machines (AREA)

Claims (17)

  1. Arrangement de support de changement pour un rouleau de compacteur pour un compacteur de sol comprenant un support de changement (14) qui doit être fixé à une enveloppe de rouleau et au moins un outil de rouleau (22) qui doit être fixé au support de changement (14) utilisant un contre-support (40) qui peut être amené en engagement de maintien avec le support de changement (14) et qui peut être verrouillé par rapport au support de changement, le support de changement (14) ayant un côté d'appui d'outil de rouleau (20) et ledit au moins un outil de rouleau (22) ayant un côté d'appui de support de changement (23) qui peut être supporté au côté d'appui d'outil de rouleau (20),
    au moins une projection anti-rotation (78, 80) étant prévue sur au moins un côté parmi côté d'appui d'outil de rouleau (20) et côté d'appui de support de changement (23) et au moins une encoche anti-rotation (70, 72) pour recevoir une projection anti-rotation (78, 80) étant prévue sur l'autre côté parmi côté d'appui d'outil de rouleau (20) et côté d'appui de support de changement (23), le support de changement (14) ou le contre-support (40) comprenant une ouverture de support (38) et le support de changement (14) ou le contre-support (40) comprenant une tige de support (40) qui peut être introduite dans l'ouverture de support (38),
    caractérisé en ce que dans au moins une région (66, 68) latéralement de l'ouverture de support (38) une encoche anti-rotation (70, 72) ou/et une projection anti-rotation (78, 80) est prévue et en ce que dans au moins une région (74, 76) latéralement à la tige de support (40) une projection anti-rotation (78, 80) ou/et une encoche de sécurité anti-rotation est prévue.
  2. Arrangement de support de changement selon la revendication 1,
    caractérisé en ce qu'au moins une encoche anti-rotation (70, 72) ou/et au moins une projection anti-rotation (78, 80) est limitée par des surface latérales (82, 84, 86, 88) qui sont essentiellement parallèles ou sont à positionner parallèlement à un axe longitudinal de l'ouverture de support (38).
  3. Arrangement de support de changement selon les revendications 1 ou 2,
    caractérisé en ce que dans une première région (66) latéralement à l'ouverture de support (38) une encoche anti-rotation (70) ou/et une projection anti-rotation est prévue et en ce que dans une deuxième région (68) opposée à la première région (66) latéralement à l'ouverture de support (38) une encoche anti-rotation (72) ou/et une projection anti-rotation est prévue et en ce que dans une première région (74) latéralement à la tige de support (40) une projection anti-rotation (78) ou/et une encoche anti-rotation est prévue et en ce que dans une deuxième région (76) opposée à la première région (74) latéralement à la tige de support (40) une projection anti-rotation (80) ou/et une encoche anti-rotation est prévue.
  4. Arrangement de support de changement selon une des revendications 1 à 3,
    caractérisé en ce que le support de changement (14) comprend une région de connexion (12) de préférence adaptée à la circonférence extérieure courbée du rouleau de compacteur, formée pour la connexion à une surface circonférentielle extérieure du rouleau de compacteur et un côté d'appui d'outil de rouleau (20) formé pour supporter un outil de rouleau (22) et qui doit être arrange à distance de la surface circonférentielle extérieure du rouleau de compacteur, où de préférence le support de changement (14) comprend deux côtés circonférentiels (28, 30) qui doivent être orientés essentiellement dans le sens circonférentiel d'un rouleau de compacteur, et deux côtés axiaux (24, 26) qui doivent être orientés essentiellement dans le sens d'un axe de rotation de rouleau de compacteur, où en outre le support de changement (14) se rajeunit de préférence de la région de connexion (12) vers le côté d'appui d'outil de rouleau (20) et les côtés circonférentiels (28, 30) sont inclinés l'un par rapport à l'autre avec un angle plus grand que les côtés axiaux (24, 26).
  5. Arrangement de support de changement selon la revendication 4,
    caractérisé en ce qu'au moins une encoche anti-rotation (70, 72) ou/et au moins une projection anti-rotation (78, 80) est prévue dans la région d'au moins un côté axial (24, 26) du support de changement (14).
  6. Arrangement de support de changement selon les revendications 4 ou 5,
    caractérisé en ce qu'entre la région de connexion (12) et le côté d'appui d'outil de rouleau (20) le support de changement (14) comprend une région de traitement du sol (32) entrant en contact avec le sol à traiter quand un outil de rouleau (22) est attaché, où de préférence à au moins un côté circonférentiel (28, 30) dans la région de traitement du sol (32) au moins une projection de traitement du sol (34, 36) est prévue.
  7. Arrangement de support de changement selon une des revendications 2 à 6,
    caractérisé en ce que l'ouverture de support (38) est prévue dans le support de changement (14) et en ce que sur le côté d'appui d'outil de rouleau (20) l'ouverture de support (38) est entourée par une première surface de support (48) qui est de préférence essentiellement orthogonal par rapport à un axe longitudinal d'ouverture (L) où dans la première surface de support (48) ou/et adjacent à la première surface de support (48) au moins une encoche anti-rotation ou/et au moins une projection anti-rotation est prévue.
  8. Arrangement de support de changement selon les revendications 1 à 7,
    caractérisé en ce que sur le côté d'appui d'outil de rouleau (20) un membre de connexion intégrée (56) est prévu pour produire un engagement intégré avec un contre-membre de connexion intégrée (58) sur le côté d'appui de support de changement (23) dudit au moins un outil de rouleau (22).
  9. Arrangement de support de changement selon la revendication 8,
    caractérisé en ce que l'ouverture de support (38) est prévue dans le support de changement (14) et en ce qu'une pluralité de deuxièmes surfaces de support inclinées l'une par rapport à l'autre (50) est prévue sur le côté d'appui d'outil de rouleau (20) autour de l'ouverture de support (38), où chaque deuxième surface de support (50) est prévue dans une région où un côté circonférentiel (28, 30) est adjacent à un côté axial (24, 26).
  10. Arrangement de support de changement selon la revendication 9,
    caractérisé en ce que sur le côté d'appui d'outil de rouleau (20) sur au moins un côté axial (24, 26) entre deux deuxièmes surfaces de supports (50) au moins une troisième surface de support (52) inclinée par rapport à celles-ci est prévue ou/et en ce que sur le côté d'appui d'outil de rouleau (20) sur au moins un côté circonférentiel (28, 30) entre deux deuxièmes surfaces de supports (50) au moins une quatrième surface de support (54) inclinée par rapport à celles-ci est prévue.
  11. Arrangement de support de changement selon les revendications 9 ou 10, si elles se réfèrent à la revendication 7,
    caractérisé en ce que les deuxièmes surfaces de support (50) ou/et les troisièmes surfaces de support (52) ou/et les quatrièmes surfaces de support (54) sont inclinées par rapport à la première surface de support (48) et l'entourent de préférence de manière annulaire.
  12. Arrangement de support de changement selon une des revendications 9 à 11,
    caractérisé en ce qu'au moins un outil de rouleau (22) comprend au moins une deuxième région de support opposée (60) pour le support sur une deuxième surface de support (50) et/ou au moins une troisième région de support opposée (62) pour le support sur une troisième surface de support (52) et/ou au moins une quatrième région de support opposée (64) pour le support sur une quatrième surface de support (54).
  13. Arrangement de support de changement selon une des revendications 2 à 12,
    caractérisé en ce que le contre-support (40) peut être verrouillé au support de changement (14) en utilisant un membre de verrouillage (42).
  14. Arrangement de support de changement selon la revendication 13,
    caractérisé en ce qu'une première ouverture de réception de membre de verrouillage (46) de préférence annulaire est prévue sur une circonférence intérieure de l'ouverture de support (38) ou/et en ce qu'une deuxième ouverture de réception de membre de verrouillage (44) de préférence de forme rainure annulaire est formée sur une circonférence extérieure de la tige de support (40) ou dans la première ouverture de réception de membre de verrouillage (46) ou la deuxième ouverture de réception de membre de verrouillage (44) un membre de verrouillage (42), de préférence annulaire, est reçu pour verrouiller un outil de rouleau (22) au support de changement (14) dans l'autre ouverture de réception de membre de verrouillage.
  15. Arrangement de support de changement selon une des revendications 1 à 14,
    caractérisé en ce qu'au moins un outil de rouleau comprend un ciseau ou/et en ce qu'au moins un outil de rouleau (22) comprend un pied-de-mouton.
  16. Rouleau de compacteur pour un compacteur de sol comprenant sur une circonférence extérieure au moins un arrangement de support de changement (10) selon une des revendications précédentes.
  17. Compacteur de sol comprenant au moins un rouleau de compacteur selon la revendication 16.
EP14182122.3A 2013-08-27 2014-08-25 Système de support interchangeable pour un rouleau de compactage et un rouleau compresseur Active EP2843134B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013217043.2A DE102013217043A1 (de) 2013-08-27 2013-08-27 Wechselhalteranordnung für eine Verdichterwalze für einen Bodenverdichter

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EP2843134A1 EP2843134A1 (fr) 2015-03-04
EP2843134B1 true EP2843134B1 (fr) 2018-01-17

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US (1) US9376775B2 (fr)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020120377A1 (de) * 2020-08-03 2022-02-03 Hamm Ag Ummantelung für eine Bodenbearbeitungswalze
DE102020131448A1 (de) * 2020-11-27 2022-06-02 Hamm Ag Walzenwerkzeug für eine Bodenbearbeitungswalze
DE102021127441A1 (de) 2021-10-22 2023-04-27 Hamm Ag Walzenwerkzeug für eine Bodenbearbeitungswalze
DE102021127443A1 (de) 2021-10-22 2023-04-27 Hamm Ag Walzenwerkzeug für eine Bodenbearbeitungswalze

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US20150063908A1 (en) 2015-03-05
US9376775B2 (en) 2016-06-28
EP2843134A1 (fr) 2015-03-04
DE102013217043A1 (de) 2015-03-05

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