EP3375570B1 - Clé d'armoire électrique - Google Patents

Clé d'armoire électrique Download PDF

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Publication number
EP3375570B1
EP3375570B1 EP17160529.8A EP17160529A EP3375570B1 EP 3375570 B1 EP3375570 B1 EP 3375570B1 EP 17160529 A EP17160529 A EP 17160529A EP 3375570 B1 EP3375570 B1 EP 3375570B1
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EP
European Patent Office
Prior art keywords
key
tool
drive profile
arm
switch cabinet
Prior art date
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Active
Application number
EP17160529.8A
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German (de)
English (en)
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EP3375570C0 (fr
EP3375570A1 (fr
Inventor
Stefan Tenhaken
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.)
Schuebo GmbH
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Schuebo GmbH
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Publication date
Application filed by Schuebo GmbH filed Critical Schuebo GmbH
Priority to EP17160529.8A priority Critical patent/EP3375570B1/fr
Publication of EP3375570A1 publication Critical patent/EP3375570A1/fr
Application granted granted Critical
Publication of EP3375570C0 publication Critical patent/EP3375570C0/fr
Publication of EP3375570B1 publication Critical patent/EP3375570B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/005—Cross wrenches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/008—Locks for use with special keys or a plurality of keys ; keys therefor for simple tool-like keys

Definitions

  • the invention relates to a switch cabinet key with a central base body from which several key arms project radially, tool heads being formed at the outer ends of the key arms, at least one tool head being formed as a socket wrench in which the tool head defines a receiving space which contains a first, drive profile (key surface) comprises, which is designed to actuate a complementarily designed clasp, a lock, possibly also a nut or the like.
  • the drive profile includes an enclosed receiving space.
  • the first drive profile extends in a primary key arm tool plane of the respective key arm, which in turn extends transversely to a respective key arm longitudinal axis, with the key arm longitudinal axes of all key arms intersecting in the center point of the base body, with the base body forming the crossing point of the key arm longitudinal axes. Furthermore, a second drive profile is formed in the tool head, which is different from the first drive profile. This second drive profile is arranged linearly offset proximally to the base body in a secondary key arm tool plane.
  • the switch cabinet key according to the invention has a length of 55 or 65 mm from the outer end of a first key arm to the outer end of the opposite key arm.
  • Such a cabinet key is for example from EP 1 422 365 B1 known to the applicant.
  • This Switch cabinet key has a central body with four radially protruding key arms. Tool heads are formed on the outer ends of the key arms, which have different head shapes for actuating different control cabinet locks. Further prior art is known from UK 1 563 400 , US3877327 and EP 2 536 535 A1 .
  • One or more tool heads of such a switch cabinet key are designed as a socket wrench with an inner receiving space which is surrounded on all sides by a drive profile or a key surface which is designed to actuate a complementary clasp, a lock, a switch cabinet, a door or the like.
  • the wrench flat can be designed, for example, as a triangle, a square, but also as a hexagon.
  • the first key arm tool plane extends transversely to the longitudinal axis of a key arm through this receiving space, wherein this first key arm tool plane can extend at any point transversely to the receiving space along its entire longitudinal direction.
  • control cabinet key covers an even broader range of possible uses, that is to say it can be used in even more ways.
  • the invention is based on the object of at least partially avoiding these disadvantages and further developing a switch cabinet key as mentioned at the outset in such a way that material fatigue is avoided as far as possible and the switch cabinet key and the joining partners thus have a longer service life.
  • the invention thus makes use of the knowledge that the corners of the mating surfaces that engage in pairs are particularly important.
  • the angular offset of the drive profiles or their joining surfaces relative to one another ensures that the corners are available for the complementary engagement of the joining surfaces or their edges.
  • the partial formation of the second drive profile in the primary key arm tool level is already sufficient for the realization of the edge engagement.
  • the full engagement is realized when the joining partner to be actuated is pushed completely into the second key arm tool level.
  • the invention also makes use of the combination of different types of offset of a second drive profile in relation to a first drive profile.
  • Off-axis means that the central axis of the second drive profile is offset in a key arm tool plane in relation to the central axis of the first drive profile such that all corners of the second drive profile are already available in the first key arm tool plane at least for an edge engagement.
  • Rotationally offset means that although two drive profiles are arranged coaxially in a wrench arm tool plane, the second drive profile is arranged at a different angle in relation to the first drive profile. The profiles are preferably offset from one another at an angle of 45 to 60 degrees, preferably 45 or 60 degrees.
  • linearly offset means that the second drive profile is located at a different level along the key arm longitudinal axis relative to the first drive profile. The invention combines these types of offsets in all possible combinations, if possible several times in each key arm.
  • the longitudinal axis of the key arm extends centrally along each key arm and the primary key arm tool plane is in each case the tool plane which is directly accessible from the outside of a key head and extends from the outer surface or the outer opening of a tool head up to about 6 mm into the respective tool head and sometimes merges there into a second key arm tool level, which again has a depth of about 3-5 mm.
  • this object is already achieved with a switch cabinet key of the type mentioned at the outset in that the second drive profile is additionally offset axially to the first drive profile, that at least the corners or edges of the second drive profile are partially in the primary key arm tool plane to form pre-engagement surfaces are formed such that the second drive profile is formed smaller than the first drive profile.
  • the second drive profile is only partially formed or pronounced in the first key arm tool level and only then in a second or secondary key arm tool level located below it, which is therefore formed in the direction of the base body in the key arm the full drive profile is formed.
  • This partial formation of the second drive profile in the primary key arm tool level thus already provides an "anticipatory surface" for transmitting smaller torques of the second drive profile, but the full torque only when inserted into the second key arm tool level below the key arm tool level.
  • the drive profiles preferably have different geometric configurations, but the drive profiles can also have different sizes.
  • this embodiment offers the advantage that several different wrench flats can be formed on a tool wrench level in a tool head, ie only minor changes to the tools are required in a minimal space to increase functionality. This is particularly advantageous compared to other configurations with several tools on a switch cabinet key, because no additional keys, adapters or the like have to be provided that would make the switch cabinet key heavier or more complex.
  • the first drive profile can be triangular, for example, and the second drive profile can be square, with the square—second—drive profile being arranged off-center relative to the center point of the triangular wrench flat. This offers the advantage that the square key area is almost completely available for the application of force, although this is partially interrupted by the first, triangular key area.
  • the application possibilities for a given size of the control cabinet key can be increased even further by the fact that different drive profiles are also formed in different planes in the longitudinal direction of extension of a key arm or tool head, i.e. another drive profile in a linearly offset inward from the first key arm tool plane in the direction of the base body - further - Keyarm tool level.
  • a first, central drive profile and a second drive profile offset from the first drive profile are both formed in the first key arm tool plane, and a third drive profile is formed in a second key arm tool plane offset inwards to the base body, e.g. with a smaller hexagon, which only begins at an insertion depth of 9 to 10 mm.
  • each of the key arms preferably has such key surfaces, whereby in a further development different sized key surfaces can be provided on different arms or extending outwards on both sides from the center point on one side and a second other key surface on the opposite side of the key arm.
  • These wrench flats are specially designed for the Interaction with an open-end wrench or open-end wrenches of different sizes.
  • a key arm preferably comprises a double bit as a tool.
  • a double bit comprises a cylindrical base body along the longitudinal axis of the key arm and enclosing it with its cylindrical lateral surface, from which two bits extend radially outwards diametrically opposite one another.
  • Each bit is basically designed as a cuboid body, which includes a distal or end-side bit insertion surface and two bit flanks that are spaced radially outwards from the cylindrical base body and from one another by the width of the insertion surface, which extend from the cylindrical lateral surface of the bit to a radially outer bit outer surface extends, which merge into the lateral surface of the key arm or connect to the rear proximal ends.
  • the stability against wear and tear and the service life is improved with such a double bit in that the double bit has an inside collar or an inside stabilizing flange at the transition to the mangle surface of the key arm, which extend transversely to the longitudinal axis of the key arm.
  • this inner collar significantly reduces the notch effect, particularly at the base of the flanks of the beards of the double bit, so that with such a double bit about 30-50% higher torques than with a double bit without such an inside Bund can be transferred.
  • a further improvement in the service life can be achieved in that the beards, which protrude diametrically radially from the central, cylindrical lateral surface, are made wider in the area of the lateral surface than on the Beard outer surfaces or widen from their radially outer beard surfaces to the cylindrical lateral surface, i.e. from the outside inwards, in order to reduce the notch effect when the beards transition into the central, cylindrical lateral surface of the double bit, or to make the beards more stable and thus to compensate for any play that may occur between the joining partners, i.e. if a beard is not correctly seated in the complementary recess of the joining partner/lock.
  • the concept of the edge engagement according to the invention is utilized.
  • a conical widening of the beards from the outside to the inside turned out to be particularly expedient because this realizes a harmonious transition and compensates for signs of wear on the lock or the joining partners in the long term or realizes a large number of fits even with signs of wear.
  • each burr is 8 to 12 percent, preferably 10 percent wider at the base of the burr, i.e. radially inside, immediately adjacent to the cylindrical base body, than at the radially outer outer flank of the burr.
  • This is done, for example, by a beard flank that is slightly inclined to the central axis, which encloses an angle of between 5 and 8 degrees, preferably 6 degrees, with the central axis.
  • a uniform increase in the width of the beard towards the base of the beard is useful in order to harmoniously compensate for any play that may occur, e.g. due to aging between the joining partners.
  • a particularly long service life or a particularly long service life and stability of a double-bit is achieved by combining the two new developments, i.e. the bits, which spread radially from the outside inwards, into one at their distal ends towards the base body Go over stabilizing flange or have such a stabilization on the flange.
  • proximal is the radially outer end of a key arm and distal is an alignment with the center of the base body.
  • 3 of the 4 key arms in total comprise further drive profiles formed in a second key arm tool level in relation to the first key arm tool level of the respective key arm.
  • first level of the key arm tool there can be two angularly offset square profiles, one of which extends into the second level of the key arm tool or is fully formed only in this second level of the key arm tool.
  • Another design of a key arm provides that a triangular drive profile is formed in the first key arm tool level and offset to this in the first key arm tool level and also rotated to this, another quadrangular drive profile that is formed in the first key arm tool level only with the anticipation surfaces and then as a solid profile in the second key arm tool level offset inwards.
  • the drive profiles are preferably designed as closed profiles, although this does not necessarily have to be the case.
  • the key arms are expediently arranged in one plane and thus form a key plane.
  • the switch cabinet key can also include an adapter piece for receiving an insertion tool, which can preferably be attached to at least one of the tool heads.
  • the insertion tool is preferably attached with an anti-loss device, which is particularly preferably designed as a chain.
  • This chain is preferably attached to an attachment part that is formed laterally on the central body and between two key arms.
  • the insertion tool can have a hexagonal peripheral area that can be inserted into a rotationally fixed mount provided on a tool head.
  • the insertion tool can include a screwing tool, which preferably has different screw drives at opposite ends.
  • the base body can also have a square socket with which a vent valve of a radiator can be opened and closed.
  • a further embodiment provides that a tool head has a pyramid-shaped plug-in element which can be attached to square openings of different sizes.
  • the switch cabinet key is made of plastic or die-cast and includes four key arms that protrude radially from the base body and define a common key plane.
  • the switch cabinet key can also be operated particularly well in confined spaces and with a small design if at least one key arm has a key surface for an open-end wrench or the like on the outside of the key arm. This can be done, for example, by flattening the front and back of at least one key arm, but can also include a square or hexagon on the outside of the key arm.
  • connection In the context of this description, the terms “connected”, “connected” and “integrated” are used to describe both a direct and an indirect connection, a direct or indirect connection and a direct or indirect integration.
  • connection In the figures, identical or similar elements are provided with identical reference symbols, insofar as this is appropriate.
  • FIGs 9 to 12 include sequences of figures each with four individual representations A to D to illustrate the specific design of the respective tool heads.
  • figure A is an enlarged plan view
  • figure B is a cross section of the front view of figure A
  • Figure C shows a cross-section of the top view, i.e. at right angles to the plane defined by the front view according to Figure A
  • Figure C shows a front view of the distal end of the respective tool head.
  • the control cabinet key 1 consists of a central base body 2 with four radially protruding key arms, namely a first key arm 3 with a first tool head 31 designed as a double bit, a second key arm 4 with a second tool head 41 comprising a square/square double tool, a third key arm 5 with a third tool head 51 a square / triangular double tool and a fourth wrench arm 6 with a fourth tool head 61 comprising a triangle / triangular double tool, which together form a wrench cross.
  • the central base body 2 includes two additional tool heads 21, 22 provided. This is approximately perpendicular to the radial key arms 3, 4, 5 and 6 aligned.
  • the key arms 3, 4, 5 and 6 define a main key plane.
  • This tool head is formed with a square socket 21 on one side of the base body 2 and with a hexagon socket 22 on the opposite side.
  • a fastening part 8 for securing against loss is provided on the side of the central base body 2 and between two key arms 4 and 5 .
  • the fastening part 8 is designed as a tab with an opening 81 .
  • a ring-shaped closed chain (not shown) can be provided to prevent loss.
  • An insertion tool and an adapter piece are then suspended from the chain, which can preferably be designed as an insertion tool or as a screwing tool in the form of a so-called bit.
  • the second key arm 4, the third key arm 5 and the fourth key arm 6 always comprise two drive profiles, of which the second drive profile is linearly offset proximally to the base body 2 in a respective secondary Key arm tool plane is formed and whose corners or edges also extend into the primary key arm tool plane that is directly visible from the outside to form pre-engagement surfaces in the respective primary tool planes.
  • the first tool head 31 is designed as a double-bit, which comprises a cylindrical base body 311, the lateral surface of which encloses the longitudinal axis of the key arm running through the middle of the key arm. Formed in one piece on this cylindrical base body 311, two beards 312, 313 protrude radially opposite one another to the outside. At the inside end of the double bit at the transition to the first key arm 3, the latter is designed with a circumferential stabilizing flange 314, which additionally stabilizes the bits 312, 313 and significantly reduces the notch effect on the bits 312, 313 of the cylindrical base body 311.
  • FIG. 9 shows an enlarged detailed view of the first tool head 31 with the double bit, i.e. along the longitudinal axis of the key arm at the distal end of the first key arm 3, the details for better clarity only being provided with reference numbers for one bit 312.
  • Each bit 312, 313 of the double bit is formed by a front bit insertion surface 3121, from which two bit flanks 3122, 3123 extend rearward at a distance from one another to the stabilizing flange 314 and between the cylindrical base body 311 and a bit outer surface 3124 to form the cuboid bit 312, 313.
  • the stabilizing flange 314 is also wider than the cylindrical base body 311
  • the beards 312, 313 are preferably designed in such a way that the beard flanks 3122, 3123 widen conically from the beard outer surface 3124 to the cylindrical base body 311, with this widening being particularly pronounced in the area of the Body 311 increases such that this widening provides an increased area for edge engagement (see in particular figure 15 ).
  • FIG. 15 The front view according to Figure 9D and the enlarged end view according to FIG. 15 also show a bit holder 315 for a mini-bit hexagon, which is provided in the annular central opening of the cylindrical base body 311, which encloses the longitudinal axis of the key arm in a circular ring with its outer lateral surface, proximal to the double bit in a secondary key arm tool surface.
  • a bit holder 315 for a mini-bit hexagon which is provided in the annular central opening of the cylindrical base body 311, which encloses the longitudinal axis of the key arm in a circular ring with its outer lateral surface, proximal to the double bit in a secondary key arm tool surface.
  • the second tool head 41 is designed as a "square/square". This comprises a first drive profile designed as a first square 411 arranged in the primary, distal key arm tool plane and proximal to this primary key arm tool plane in the secondary key arm tool plane, a second drive profile designed as a second square 412 .
  • the second square 412 is arranged collinear with the first square 411, but smaller than the first square 411 and offset in terms of rotation by about 45 degrees relative to it about the longitudinal axis of the key arm.
  • a hexagon socket 413 is provided collinear to the first square 412 and the second square 412, and proximal to the latter in a tertiary wrench arm tool surface, which in turn is smaller than the second square 412 and is bordered or surrounded by it .
  • the first triangle 411 is about 6 mm deep in the primary, i.e. distal key arm tool plane, which extends from the distal outer edge to the end of this square key face
  • the second square 412 which is coaxial to the primary key arm tool face proximal to the first and rotated 45 degrees about the long axis of the key arm at a depth of 3 to 5 mm following the primary key arm tool level, but the four edges or corners of the second square 412 extend into the first key arm tool level and form the pre-engagement surfaces according to the invention there, but which are provided in this way on each tool head are.
  • the third tool head 51 is designed as a double wrench head and comprises the combination of a triangular and a square drive profile (triangular/square).
  • the larger, triangular drive profile 511 is again arranged in the primary tool key plane collinear to the key arm longitudinal axis of the third key arm 5.
  • the smaller, square drive profile 512 is arranged in the secondary key arm tool plane proximal to the primary and also axially and rotationally offset to the triangular drive profile 511.
  • the smaller square drive profile 512 is also arranged about twice as deep in the key arm 5 as the square drive profile 511, but extends from the secondary key tool plane at least with its edges/corners into the primary key arm tool plane.
  • the fourth tool head 61 is also designed as a double wrench head (triangle/triangle), with a first triangle 611 in the primary, i.e. distal key arm tool plane, and a second triangle 612, which is proximal to the first triangle 611 and is smaller than it.
  • the first triangle 611 and the second triangle 612 are collinear along the
  • the key arm is arranged along the longitudinal axis, but aligned at an angle of approx. 60° with a rotational offset to one another.
  • the second triangle 612 is approximately twice as deep as the first triangle 611 and smaller than the first triangle.
  • a hexagon socket 613 is provided in a tertiary key arm tool plane proximal to the secondary key arm tool plane.
  • each tool head is designed according to the invention in such a way that it comprises at least two drive profiles (key heads), of which one drive profile is arranged in the distal primary key arm tool level and a second drive profile in the secondary key arm tool level proximal thereto, with the second drive profile in the secondary Key arm tool level is each smaller than the drive profile in the primary key arm tool level, preferably a key size smaller.
  • the second drive profiles/key surfaces preferably extend at least with the edges or corners into the first key arm tool plane and provide the pre-engagement surfaces according to the invention there for the edge engagement.
  • a third or fourth drive profile can also be formed in each tool head, which is then preferably arranged in a respective tertiary key arm tool plane proximal to the respective secondary key arm tool plane in the key arm, and this tertiary key arm tool plane in turn is designed to be smaller than the respective second drive profile in the respective secondary key arm tool level.
  • the front and back of the key arms 3, 4, 5, 6 of the Switch cabinet key are flattened and thus define a key surface for an open-end wrench, so that each key arm can apply sufficient force for rotation or closure even in confined spaces and with a small configuration of the switch cabinet key of e.g. 65 or 55 mm overall length from one proximal key surface outer edge to the opposite proximal key surface outer edge can.
  • the outer lateral surfaces of the key arms 3, 4, 5, 6 can of course also have other geometric outer surfaces to achieve the same effect, as long as this offers a sufficient force application surface for a tool key.
  • inventive concept of the axial offset of two or more drive profiles along a key arm longitudinal axis in a key arm, with the proximal second drive profile moving at least with the edges/corners from the proximal to the distal key arm tool plane to provide the pre-engagement surfaces for edge engagement extends can also be implemented alone, i.e. on a tool that only includes such a tool.
  • control cabinet key with different key arms and different tool heads represents the particularly preferred design.
  • the double bit with the stabilizing flange and/or the bit flanks which widen radially inwards cannot be combined with other tool heads on one Switch cabinet key is designed, but also as a separate, so can be designed as a single tool.
  • This embodiment can also be designed separately from the combination with a double bit or other key arms as a single tool.
  • the combination of a switch cabinet key with several different tool heads represents the particularly preferred embodiment.
  • a third drive profile can also be provided in a tertiary key arm tool level, which in turn is smaller than the second drive profile.

Claims (8)

  1. Clé d'armoire électrique (1) avec un corps de base (2) central, duquel plusieurs bras de clé (3, 4, 5, 6) dépassent radialement, au niveau des extrémités extérieures radiales desquelles des têtes d'outil sont réalisées, dans laquelle au moins une tête d'outil '(31, 41, 51, 61) est réalisée comme clé à douille, pour laquelle la tête d'outil présente un premier profil d'entraînement (511) pour détacher et fixer un moyen de fixation, par exemple une fermeture d'une serrure, un écrou, une vis ou similaire, qui s'étend dans un plan d'outil de bras de clé primaire du bras de clé (3, 4, 5, 6) respectif, dans laquelle un deuxième profil d'entraînement (512) est réalisé au niveau de la tête d'outil, lequel est différent du premier profil d'entraînement (511), dans laquelle le deuxième profil d'entraînement est réalisé de manière proximale en déport linéaire du corps de base (2) dans un plan d'outil de bras de clé secondaire,
    dans laquelle le deuxième profil d'entraînement est en outre en déport axial du premier profil d'entraînement,
    dans laquelle au moins les coins du deuxième profil d'entraînement sont réalisés partiellement dans le plan d'outil de bras de clé primaire pour la formation de surfaces de pré-prise,
    dans laquelle le deuxième profil d'entraînement est réalisé plus petit que le premier profil d'entraînement,
    et dans laquelle au moins un des bras de clé présente une surface de clé côté extérieur pour la saisie d'une clé à fourche,
    caractérisée en ce que
    la clé d'armoire électrique (1) présente une longueur de 55 ou 65 mm depuis l'extrémité extérieure d'un premier bras de clé à l'extrémité extérieure du bras de clé opposé
    et qu'au moins un des bras de clé présente une surface de clé côté extérieur pour la saisie d'une clé à fourche.
  2. Clé d'armoire électrique (1) selon la revendication 1, CARACTERISEE EN CE QUE le déport angulaire s'élève de préférence à 45 degrés.
  3. Clé d'armoire électrique (1) selon l'une quelconque des revendications 1 ou 2, CARACTERISEE EN CE QU'au moins une tête d'outil comporte un troisième profil d'entraînement dans un plan d'outil de bras de clé tertiaire en déport proximal du plan d'outil de bras de clé secondaire, et QUE le troisième profil d'entraînement est réalisé plus petit que le deuxième profil d'entraînement respectif.
  4. Clé d'armoire électrique (1) selon l'une quelconque des revendications précédentes, CARACTERISEE EN CE QU'au moins deux têtes d'outil (41, 51, 61) réalisées comme clé à fourche sont prévues.
  5. Clé d'armoire électrique (1) selon l'une quelconque des revendications précédentes, CARACTERISEE EN CE QUE les différents profils d'entraînement présentent différentes géométries et/ou grandeurs.
  6. Clé d'armoire électrique (1) selon l'une quelconque des revendications précédentes, CARACTERISEE EN CE QUE les bras de clé (3, 4, 5, 6) sont agencés dans un plan ou définissent un plan.
  7. Clé d'armoire électrique (1) selon l'une quelconque des revendications précédentes, CARACTERISEE EN CE QUE quatre bras de clé (3, 4, 5, 6) sont prévus, lesquels forment une croix de clé.
  8. Clé d'armoire électrique (1) selon l'une quelconque des revendications précédentes, CARACTERISEE EN CE QUE le corps de base (2) présente au moins une tête d'outil (21, 22) supplémentaire qui est orientée à peu près perpendiculairement aux bras de clé (3, 4, 5, 6) radiaux.
EP17160529.8A 2017-03-13 2017-03-13 Clé d'armoire électrique Active EP3375570B1 (fr)

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EP3375570A1 EP3375570A1 (fr) 2018-09-19
EP3375570C0 EP3375570C0 (fr) 2023-06-07
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CN109352566A (zh) * 2018-12-08 2019-02-19 江苏东南测绘科技有限公司 一种适用于修理测绘仪器的工具
IT202000006460A1 (it) * 2020-03-27 2021-09-27 Polykap S R L Avvitatore per tappo filettato e dispositivo di serraggio
CN112681902A (zh) * 2020-12-29 2021-04-20 广东电网有限责任公司广州供电局 柜门钥匙

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US3877327A (en) * 1973-01-02 1975-04-15 Harold Gustave Erm Socket wrenches
EP1422365A2 (fr) * 2002-10-31 2004-05-26 Schünke & Bockmühl GmbH Clé pour armoire électrique

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JPS572621Y2 (fr) * 1975-12-10 1982-01-18
EP2536535B1 (fr) * 2010-02-17 2014-06-04 KNIPEX-WERK C. Gustav Putsch KG Combinaison de clefs pour armoires électriques

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Publication number Priority date Publication date Assignee Title
US3877327A (en) * 1973-01-02 1975-04-15 Harold Gustave Erm Socket wrenches
EP1422365A2 (fr) * 2002-10-31 2004-05-26 Schünke & Bockmühl GmbH Clé pour armoire électrique

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EP3375570A1 (fr) 2018-09-19

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