EP1319629B1 - Flèche télescopique avec alimentation de lubrifiant - Google Patents

Flèche télescopique avec alimentation de lubrifiant Download PDF

Info

Publication number
EP1319629B1
EP1319629B1 EP02090383A EP02090383A EP1319629B1 EP 1319629 B1 EP1319629 B1 EP 1319629B1 EP 02090383 A EP02090383 A EP 02090383A EP 02090383 A EP02090383 A EP 02090383A EP 1319629 B1 EP1319629 B1 EP 1319629B1
Authority
EP
European Patent Office
Prior art keywords
telescopic
lubricant
section
valve
housing
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP02090383A
Other languages
German (de)
English (en)
Other versions
EP1319629A1 (fr
Inventor
Bernd Backes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Terex Demag GmbH and Co KG
Original Assignee
Terex Demag GmbH and 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 Terex Demag GmbH and Co KG filed Critical Terex Demag GmbH and Co KG
Publication of EP1319629A1 publication Critical patent/EP1319629A1/fr
Application granted granted Critical
Publication of EP1319629B1 publication Critical patent/EP1319629B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/707—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic guiding devices for telescopic jibs

Definitions

  • the invention relates to a telescopic boom, in particular for a vehicle crane is suitable, with a base box and several telescopic telescopic shots according to the preamble of claim 1.
  • Telescopic boom of the generic type have been known for many years. she consist of a basic box in which one or more telescopic Telescopic shots are coaxially mounted one inside the other.
  • the telescopic telescopic shots are often referred to as inner boxes. These are about plain bearings, which are in the Head area of the next larger inner box or of the basic box are arranged, sliding guided.
  • a telescopic shot, the one in cross section The next smaller telescope shot is also taken as a full telescopic shot during the recording of the larger telescopic shot Telescopic shot is also referred to as a comprehensive telescopic section or inner box.
  • plain bearings for example in shape of plastic strips or plastic shells each on the inner wall of a comprehensive telescopic shot to install, these plastic bearings usually in the corner areas or curves of the individual shots of the Telescopic boom used hollow profiles are arranged. In the longitudinal direction of seen individual telescopic shots, the plastic bearings are preferably in Area of the head of the individual telescopic shots attached.
  • An appropriate one Telescopic boom with Kunststoffglertiagern is for example from DE 196 53 502 A1 known. It is also known, the friction in the plain bearings thereby continues to reduce that a lubricant is supplied to the bearing surfaces.
  • Object of the present invention is a generic telescopic boom to further develop that a reliable lubrication without large manual Effort is made possible.
  • the required construction costs should be as low as possible.
  • the invention provides that, with the exception of the last one comprehensive telescope shot - in the head area of the telescopic shots outside at least one lubricant distributor is arranged, on the one hand via a first shut-off valve with a lubricant channel of the respective telescopic section on the other hand, via a fully telescoped state of the next smallest telescopic section (covered telescopic section) closed line coupling with the lubricant distributor of the encompassed Telescopic section is in fluid communication with respect to the lubricant. That's it first shut-off valve of a comprehensive telescope shot each in einteleskop believing Condition of the covered telescopic section closed and in telescoped Condition of the covered telescopic section opened.
  • the lubricant distributor of the basic box of the Telescopic boom which represents in the order of the first lubricant distributor, not fed by another adjacent lubricant distributor, but is connected to a Pressure line connected to the supply of lubricants.
  • a telescope State of the telescopic boom is fed through this pressure line Lubricate first up to the last in the order lubricant distributor before it passes through the lubricant channel on the sliding surface of the respective Slide bearing can escape.
  • Austeleskopieren a telescopic shot of the associated with this telescopic section lubricant distributor of the other Cut off lubricant supply and instead the plain bearing of the last one lubricated not telescoped comprehensive telescopic shot.
  • the lubricant distributor each with a backflow for the Lubricant provided so that the lubricant when Austeleskopieren a Telescope shot after decoupling from an immediately preceding Lubricant distributor can not escape in an unintentional manner.
  • each two lubricant distributor arranged at the Bottom of the telescopic shots.
  • a lubricant distributor via branch lines within a telescopic section one Lubricant distribution to different bearings make.
  • the invention provides that the Lubricant distributor each have a fillable with lubricant housing, which in Area of a reinforcing collar of a telescopic section is arranged, wherein at the front of the telescopic section in each case a part of the line coupling to the next Telescopic shot is arranged.
  • a corresponding Line coupling provided for the connection to the previous telescopic section.
  • the exception here is of course the basic box, which has no previous one Telescopic shot has more and is connected to the lubricant pressure line.
  • a valve cartridge provided, the housing of the lubricant distributor in the direction of the longitudinal axis interspersed with the telescopic boom.
  • a valve cartridge can be designed as Einschraubpatrone, ie with a External threads are provided with a corresponding internal thread in the Housing of the lubricant distributor corresponds.
  • einteleskop Being loved state of Telescopic shots, the individual valve cartridges are cascade-tight arranged one behind the other, so are among each other in fluid technology Connection.
  • valve cartridges preferably have a substantially hollow cylindrical housing, wherein in the end faces of the housing of the Valve cartridges each have at least one opening arranged on the inside Each is closed by a membrane or other seal, which by a compression spring is pressed into its closed position.
  • a membrane or other seal which by a compression spring is pressed into its closed position.
  • In the cylindrical mantle of Housing of the valve cartridges is in each case at least one opening for the passage of the Lubricant from the valve cartridge into the housing of the lubricant distributor arranged.
  • This opening in the jacket of the housing is advantageously by a with the compression spring of the valve cartridge loaded closing piston lockable, which on a front side is slidably guided in the housing of the valve cartridge and a piston rod has, which penetrates this end face of the housing and in dense contact the Valve cartridge to an axially adjacent valve cartridge the closing piston on the Opening in the jacket pushes, so this closes and at the same time the seal of the at least one opening of the front side lifts, so that this lubricant distributor then no lubricant to the assigned him slide bearing, but only the Lubricate to the next lubricant distributor through the opening in the Forward side.
  • a further advantageous embodiment of the invention is an electronic Control provided, depending on the scope of use and / or Use stage of the telescopic boom the temporary supply of lubricant in causes the pressure line to the base box. So that means, for example After a certain period of operation or number of Teleskopiervor réellen or at each new telescoping process at the beginning of telescoping automatically one Lubricant feed can be made without doing this manual intervention requirement. The time required for the lubrication does not have to be like a Manual lubrication of the available operating time of the Telescopic boom are removed, but the lubrication takes place in Cost-optimally held at the same time with the process of conventional telescoping.
  • Fig. 1 shows a telescopic boom 1, a base box 2 and a plurality has telescopically guided shot, of which for simplicity only the inner box 3 is shown.
  • This telescopic boom can with his Foot area (left end), for example, hinged to the upper carriage of a vehicle crane become.
  • the individual telescopic sections 3 are e.g. by means of a not shown hydraulic telescoping cylinder, which mechanically via a coupling device to the single shots 3 can be connected and disconnected from a retracted Position (transport position) in its working position (extended position) displaced and rigidly connectable to each other via bolting systems not shown.
  • Telescopic shots 3 comprising telescopic sections are sliding bearings 7 on the inside arranged, which are not visible here, but from the explained below Fig. 6 are removable.
  • At least one lubricant distributor 10, 10 a, 10 b arranged by a not shown lubricant passage through the wall of the respective Teleskopschusses 2, 3 lubricant to the sliding surfaces of the sliding bearing 7 can promote.
  • Part 2a shows the switching state of the lubricant distribution system in a stage in which all telescopic telescopic shots 3, 4 of the Telescopic boom in the retracted position (transport position) are.
  • the building units of Lubricant distributor 10a are each indicated by dashed lines.
  • the to Base box 2 associated lubricant distributor 10 has a lubricant pressure line 14th on, which is connectable to a lubricant source, not shown.
  • Valve 11 About one Valve 11, which is closed in the illustrated state, is the lubricant pressure line 14 with the lubrication point leading lubricant channel 9 on the base box. 2 connectable. Since the valve 11 is closed, the lubricant can be supplied via a first Line coupling 12 in the Schmiermrttelverteiler 10 a of the telescopic section. 3 flow. Since the telescopic section 3 is not yet extended, is also the Shut-off valve 11 is closed, so that still no connection with the local Lubricant channel 9 is made. Rather, this is through the line 14 under pressure introduced lubricant to the next line coupling 12 and flows into the lubricant distributor 10b of the telescopic section 4 a.
  • the lubricant distributor 10b needs in the present case as last only a line connection from its line coupling 12 to his but it can, as in Fig. 2, the case, a identical design as in the other telescopic sections 2, 3 with shut-off valves 11th and 13 may be provided to at least one more if necessary install telescopic shot and also lubricate can.
  • the switching state is according to the sub-figure 2b.
  • Austeleskopieren the telescopic section 4 dissolves the Line coupling 12 between the two lubricant distributors 10a, 10b of Telescopic shots 3 and 4.
  • FIG. 5 shows two on the underside in the head area of a telescopic section 3 on the outside arranged lubricant distributor 10. It can be seen that the housing 16 of the two Lubricant distributor 10 in a very space-saving manner in the area of Reinforcement collar 17 of the telescopic section 3 are housed. At the visible Front side of the housing 16 can be seen the circular end face of a valve cartridge 18th The interior of the housing 16 of the lubricant distributor 10 is in each case by a Cross-bore executed lubricant channel 9 with the inner surface of a Sliding bearing 7 connected. This is apparent from the illustration of Fig. 6, which is the interior of the telescopic section 3 as shown in FIG. 5 reproduces. It can also be seen in FIG.
  • Valve cartridge 18 For the introduction of the lubricant in the housing 16 of the lubricant distributor 10th or for the passage of the lubricant through a lubricant distributor 10 is a Valve cartridge 18 is provided, the function of which can be seen in Figures 3 and 4.
  • the Valve cartridge 18 has a substantially hollow cylindrical housing 19 which is connected to the both end faces is closed with walls, in each of which at least one end-side opening 20, 21 is arranged.
  • the opening 20 on the right front side can by a non-return valve 15, which in the present case is designed as a membrane 22, to be shot.
  • a compression spring 25 is inside the housing 19 arranged, which presses the membrane 22 against the right end side, so that Lubricant, which is located in the housing 19, not inadvertently can escape through the opening 20.
  • Lubricant which is introduced under pressure through the opening 20, the membrane 22 against the force of Move spring 25 to the left, leaving the lubricant in the interior of the housing 19 and can flow through an opening 23 in the membrane 22.
  • an opening 27 is arranged through which the incoming lubricant from the housing 19 of the valve cartridge 18 in the interior of the Housing 16 of the associated lubricant distributor (Fig. 7 and 8) can escape.
  • this opening 27 is only free if the one shown in the left part of FIG Closing piston 28 which is slidably mounted in the housing 19, in its left Located on the outskirts.
  • the closing piston 28 is provided with a seal 24, here is simply formed as a left end face of the closing piston 28 and in a similar manner as the membrane 22 in the position shown, an opening 21 in the left end of the Housing 19 closes.
  • the closing piston 28 has a piston rod 29, which the left end face of the housing 19 penetrates.
  • the basic switching states of a valve cartridge with each as dashed Line shown lubricant flow path go from the three representations of Fig. 4.
  • the subfigure 4a shows the switching position in which the inflowing Lubricant not for lubrication of the sliding surfaces of the associated plain bearing can flow out, but in the next (not shown) valve cartridge through the Opening 21 flows over, since the closing piston 28 is in the retracted position located.
  • the sub-figure 4b shows the state in which the membrane 22 due to the under Pressure supplied lubricant is again shifted to the left, so that the Lubricant may enter the valve cartridge 18.
  • the closing piston 28 in its left End position, so that the way for the lubricant through the opening 27 into the interior of the Housing 16 of the lubricant distributor 10 and in the lubricant channel 9 of the associated sliding bearing is open.
  • the subfigure 4c finally shows the state in which the valve cartridge 18 is in the rest position, so the associated telescopic section already extended. In this case, the openings 20 and 21 are due to the effect the compression spring 25 is closed to the associated seals 22 and 24. Only the Opening 27 to the lubricant channel 9 is open.
  • the present invention is based on the example of a telescopic boom with two comprehensive Telescopic shots 2, 3 have been shown.
  • the number of possible Telescopic shots not limited to the top.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Claims (13)

  1. Flèche télescopique, en particulier pour une grue automotrice, comportant un caisson de base (2) ainsi que plusieurs tronçons télescopiques (caissons intérieurs 3, 4) qui sont guidés par l'intermédiaire de paliers lisses (7) dans la zone de tête du caisson intérieur immédiatement supérieur (3, 4) ou du caisson de base (2) (tronçons télescopiques emboítants), un lubrifiant pouvant être amené aux surfaces de glissement des paliers lisses (7) à travers la paroi du tronçon télescopique emboítant (2, 3, 4) au moyen d'un canal de lubrifiant (9),
    caractérisée en ce que
    au moins un distributeur de lubrifiant (10a) est agencé à l'extérieur dans la zone de tête des tronçons télescopiques emboítants (2, 3), à l'exception du dernier tronçon télescopique emboítant (4), et est relié, d'une part, par l'intermédiaire d'une première vanne d'arrêt (11), à un canal de lubrifiant (9) du tronçon télescopique concerné (2, 3) et, d'autre part, communique en ce qui concerne le lubrifiant avec le distributeur de lubrifiant (10a) du tronçon télescopique emboíté (3, 4) par l'intermédiaire d'un connecteur (12) fermé lorsque le tronçon télescopique immédiatement inférieur (3, 4) (tronçon télescopique emboíté) est entièrement rentré, la première vanne d'arrêt (11) d'un tronçon télescopique emboítant (2, 3) étant fermée lorsque le tronçon télescopique emboíté (3, 4) est rentré et ouverte lorsque le tronçon télescopique emboíté (3, 4) est sorti et le connecteur (12) entre un tronçon télescopique emboítant (2, 3) et un tronçon télescopique emboíté (3, 4) s'ouvrant par la sortie du tronçon télescopique emboíté (3, 4),
    en ce que les distributeurs de lubrifiant (10, 10a) sont munis chacun d'une deuxième vanne d'arrêt (13) qui est agencée juste avant le connecteur correspondant (12) et est fermée lorsque le connecteur (12) est ouvert et ouverte lorsque le connecteur (12) est fermé,
    en ce que le caisson intérieur le plus intérieur ne présente pas de distributeur de lubrifiant actif et le distributeur de lubrifiant (10b) du caisson intérieur (4) l'emboítant est ouvert côté sortie seulement vers le canal de lubrifiant (9) de ce caisson intérieur emboítant (4) et
    en ce que le (ou les) distributeur(s) de lubrifiant (10) du caisson de base (2) est (sont) raccordé(s) à une conduite de pression (14) pour l'alimentation en lubrifiant.
  2. Flèche télescopique selon la revendication 1,
    caractérisée en ce que les distributeurs de lubrifiant (10, 10a, 10b) sont munis d'un clapet anti-retour (15) pour le lubrifiant dans la zone du connecteur (12).
  3. Flèche télescopique selon l'une des revendications 1 à 2,
    caractérisée en ce qu'au moins deux distributeurs de lubrifiant (10, 10a, 10b) sont agencés sur les tronçons télescopiques emboítants (2, 3, 4).
  4. Flèche télescopique selon la revendication 3,
    caractérisée en ce que les distributeurs de lubrifiant (10, 10a, 10b) sont agencés sur la face inférieure des tronçons télescopiques emboítants (2, 3, 4).
  5. Flèche télescopique selon l'une des revendications 1 à 4,
    caractérisée en ce que les distributeurs de lubrifiant (10, 10a, 10b) présentent chacun un carter (16) pouvant être rempli de lubrifiant qui est agencé dans la zone d'une collerette de renforcement (17) d'un tronçon télescopique (2, 3, 4), une partie du connecteur (12) vers le tronçon télescopique suivant (3, 4) étant agencée sur la face frontale du tronçon télescopique (2, 3, 4).
  6. Flèche télescopique selon la revendication 5,
    caractérisée en ce que pour la liaison de fluide entre chaque distributeur de lubrifiant (10a) d'un tronçon télescopique (3) et les distributeurs de lubrifiant (10 ou 10b) du tronçon télescopique (2) emboítant ce tronçon télescopique (3) et du tronçon télescopique (4) emboíté par ce tronçon télescopique (3), il est prévu une cartouche de vanne (18) qui traverse le carter (16) du distributeur de lubrifiant (10a) dans la direction de l'axe longitudinal de la flèche télescopique.
  7. Flèche télescopique selon la revendication 6,
    caractérisée en ce que la cartouche de vanne (18) est conçue comme une cartouche à visser.
  8. Flèche télescopique selon l'une des revendications 6 à 7,
    caractérisée en ce que les cartouches de vanne (18) sont agencées couchées et serrées les unes derrière les autres en cascade lorsque les tronçons télescopiques (3, 4) sont rentrés.
  9. Flèche télescopique selon la revendication 8,
    caractérisée en ce que les cartouches de vanne (18) présentent un boítier (19) essentiellement cylindrique creux.
  10. Flèche télescopique selon l'une des revendications 8 ou 9,
    caractérisée en ce qu'il est agencé, dans les faces frontales du boítier (19) de la cartouche de vanne (18), au moins une ouverture (20, 21) qui peut être fermée du côté intérieur par une membrane (22) ou autre garniture d'étanchéité (24), laquelle est comprimée par un ressort de pression (25) dans sa position de fermeture.
  11. Flèche télescopique selon la revendication 10,
    caractérisée en ce qu'au moins une ouverture (27) est agencée dans l'enveloppe des cartouches de vanne (18) pour le passage du lubrifiant de la cartouche de vanne (18) au carter (16) du distributeur de lubrifiant (10).
  12. Flèche télescopique selon la revendication 11,
    caractérisée en ce que l'ouverture (27) dans l'enveloppe peut être fermée par un piston de fermeture (28) commandé par le ressort de pression (25) et guidé sur une face frontale en glissant dans le boítier (19) de la cartouche de vanne (18) et présentant une tige de piston (29) qui traverse cette face frontale du boítier (19) et qui, en cas de contact étanche de la cartouche de vanne (18) contre une cartouche de vanne (18) immédiatement voisine dans le sens axial, pousse le piston de fermeture (28) dans l'enveloppe par l'intermédiaire de l'ouverture (27) et décolle ainsi la garniture d'étanchéité (24) de l'ouverture au moins unique (21) dans la face frontale.
  13. Flèche télescopique selon l'une des revendications 1 à 12,
    caractérisée en ce qu'il est prévu une commande électronique qui provoque l'alimentation intermittente de lubrifiant dans la conduite de pression (14) vers le caisson de base (2) en fonction de l'étendue d'utilisation et/ou du stade d'utilisation de la flèche télescopique (1).
EP02090383A 2001-12-14 2002-11-19 Flèche télescopique avec alimentation de lubrifiant Expired - Lifetime EP1319629B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10164565 2001-12-14
DE10164565A DE10164565C2 (de) 2001-12-14 2001-12-14 Teleskopausleger mit Schmiermittelzuführung

Publications (2)

Publication Number Publication Date
EP1319629A1 EP1319629A1 (fr) 2003-06-18
EP1319629B1 true EP1319629B1 (fr) 2005-07-06

Family

ID=7711202

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02090383A Expired - Lifetime EP1319629B1 (fr) 2001-12-14 2002-11-19 Flèche télescopique avec alimentation de lubrifiant

Country Status (3)

Country Link
EP (1) EP1319629B1 (fr)
AT (1) ATE299125T1 (fr)
DE (2) DE10164565C2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008058606A1 (de) * 2008-11-19 2010-05-27 Terex-Demag Gmbh Anordnung zur Befestigung von Gleitelementen zum Führen der Schüsse an Teleskopkranen
SE534416C2 (sv) * 2009-11-30 2011-08-16 Cargotec Patenter Ab Teleskopisk anordning innefattande ett glidelement
DE102011115634B4 (de) 2011-03-25 2021-12-30 Tadano Demag Gmbh Teleskopausleger
DE102011084105A1 (de) 2011-10-06 2013-04-11 Schaeffler Technologies AG & Co. KG Teleskopierbare Rohranordnung
IT201800004277A1 (it) * 2018-04-06 2019-10-06 Braccio telescopico per una gru di sollevamento di carichi

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285431A (en) * 1965-04-30 1966-11-15 Universal Marion Corp Guide roll assembly for telescopic boom
DE19653502C2 (de) * 1996-12-20 2000-06-21 Grove Us Llc Vorrichtung zum Arretieren bzw. Lösen der Arretierung von Schüssen eines Teleskopauslegers für einen fahrbaren Kran
DE29917677U1 (de) * 1999-10-07 2000-02-17 Liebherr Werk Nenzing Kranausleger
JP2001158594A (ja) * 1999-12-06 2001-06-12 Sumitomo Constr Mach Co Ltd 移動式クレーン

Also Published As

Publication number Publication date
DE10164565A1 (de) 2003-07-03
EP1319629A1 (fr) 2003-06-18
DE50203556D1 (de) 2005-08-11
ATE299125T1 (de) 2005-07-15
DE10164565C2 (de) 2003-12-11

Similar Documents

Publication Publication Date Title
DE2423243A1 (de) Hydraulisches steuerventil
DE1550342B2 (de) Selbsttaetige steuereinrichtung zur verteilung von druck fluessigkeit von einer fluessigkeitsquelle auf zweihydrau liksysteme von denen eines gegenueber dem anderen vorrang besitzt
DE3701211A1 (de) Stroemungsmittelventilaufbau
DE3115088A1 (de) Mehrabschnitts-steuerventilbank
DE102019121433B4 (de) Fluidrückführvorrichtung für einen doppeltwirkenden Zylinder und Verfahren zum Betreiben eines solchen Zylinders
DE3622424A1 (de) Zweistufiger teleskopzylinder
EP1319629B1 (fr) Flèche télescopique avec alimentation de lubrifiant
DE2419654A1 (de) In zwei richtungen arbeitendes koaxialventil als steuerungs- und entlastungsorgan fuer stroemungen, insbesondere in hydrostatischen getrieben
EP1681486A2 (fr) Système et procédé de refroidissement d'embrayage de véhicule automobile comprenant un dispositif de soupape
EP0121600B1 (fr) Soupape de commande
DE102011100632A1 (de) Kolben-Zylinder-Einheit
DE3107012A1 (de) Schieberventil fuer oel-in-wasser-emulsionen
DE2910029C2 (de) Steuerventil
DE1773415C3 (de) Druckregelventil fur hydraulische Flüssigkeiten
CH509535A (de) Sicherheitsventil für druckmittelbetriebene Vorrichtungen
DE3511252A1 (de) Reversier- oder umschaltventil
DE3507866A1 (de) Ventil
DE3806390A1 (de) Teleskopierzylindersystem
DE3625805C2 (fr)
DE2155409A1 (de) Hydraulischer Kraftverstärker
EP0214325B1 (fr) Distributeur hydraulique
EP0574682B1 (fr) Accouplement à friction d'un arbre avec un élément de machine
DE3339851C1 (de) Mehrstufiger hydraulischer Teleskopzylinder
DE2049876C3 (de) Hydraulisches Steuerventil
DE202017003786U1 (de) Ventilanordnung und Ventilbaugruppe

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17P Request for examination filed

Effective date: 20030630

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: TEREX-DEMAG GMBH & CO. KG

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050706

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050706

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050706

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050706

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050706

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050706

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050706

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050706

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050706

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050706

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: E. BLUM & CO. PATENTANWAELTE

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REF Corresponds to:

Ref document number: 50203556

Country of ref document: DE

Date of ref document: 20050811

Kind code of ref document: P

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051006

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051006

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051006

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051006

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051119

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051130

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051130

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051212

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20050706

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20060407

EN Fr: translation not filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060901

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: TEREX-DEMAG GMBH & CO. KG

Free format text: TEREX-DEMAG GMBH & CO. KG#DINGLERSTRASSE 24#66482 ZWEIBRUECKEN (DE) -TRANSFER TO- TEREX-DEMAG GMBH & CO. KG#DINGLERSTRASSE 24#66482 ZWEIBRUECKEN (DE)

BERE Be: lapsed

Owner name: TEREX-DEMAG G.M.B.H. & CO. KG

Effective date: 20051130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20071115

Year of fee payment: 6

Ref country code: AT

Payment date: 20071116

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050706

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081119

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081130

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20141119

Year of fee payment: 13

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 50203556

Country of ref document: DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50203556

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160601