EP3580016B1 - Schaltschrankschlüssel - Google Patents

Schaltschrankschlüssel Download PDF

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Publication number
EP3580016B1
EP3580016B1 EP18711067.1A EP18711067A EP3580016B1 EP 3580016 B1 EP3580016 B1 EP 3580016B1 EP 18711067 A EP18711067 A EP 18711067A EP 3580016 B1 EP3580016 B1 EP 3580016B1
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EP
European Patent Office
Prior art keywords
key
drive profile
tool
arm
bit
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.)
Active
Application number
EP18711067.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3580016A1 (de
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
Original Assignee
Schuebo GmbH
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 Schuebo GmbH filed Critical Schuebo GmbH
Priority to PL18711067T priority Critical patent/PL3580016T3/pl
Priority to EP20172058.8A priority patent/EP3800010A1/de
Publication of EP3580016A1 publication Critical patent/EP3580016A1/de
Application granted granted Critical
Publication of EP3580016B1 publication Critical patent/EP3580016B1/de
Active legal-status Critical Current
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
    • 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
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B25B13/5091—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on wing nuts, hooks, eye hooks or the like

Definitions

  • the invention relates to a control cabinet key with a central base body, from which a plurality of key arms project radially, at the outer ends of which tool heads are formed, at least one tool head being designed as a socket wrench, in which the tool head defines a receiving space which comprises a first drive profile (key surface) , which is designed to operate a complementary clasp, a lock, possibly a nut or the like.
  • the drive profile often includes an enclosed receiving space.
  • the first drive profile extends in a primary key arm tool level of the respective key arm, which in turn extends transversely to a respective key arm longitudinal axis, the key arm longitudinal axes of all key arms crossing at the center of the base body, with which the base body forms the crossing point of the key arm longitudinal axes.
  • a second drive profile can be formed in the tool head, which is different from the first drive profile.
  • Such a cabinet key is from, for example EP 1 422 365 B1 known to the applicant.
  • This switch cabinet key has a central body with four radially protruding key arms. At the outer ends of the Key arms are tool heads that have different head shapes for actuating different control cabinet locks.
  • One or more tool heads of such a control cabinet key are designed as socket wrenches with an inner receiving space, which is circumferentially surrounded by a drive profile or a key surface, which is designed to actuate a complementarily designed clasp, a lock, a control cabinet, a door or the like.
  • the key surface can e.g. be designed as a triangle, a square, but also 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.
  • the object of the invention is to at least partially avoid these disadvantages and to further develop a control cabinet key mentioned at the outset in such a way that material fatigue is avoided as far as possible and the control cabinet key and the joining partners thus have a longer service life.
  • 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.
  • Axially offset means that the central axis of the second drive profile in a key arm tool plane is offset in relation to the central axis of the first drive profile so that it is spaced apart from it so that all corners of the second drive profile are already available in the first key arm tool plane at least for an edge engagement.
  • angular or rotational offset means that two drive profiles are arranged coaxially, i.e. with the same central axis in a key arm tool plane, but the second drive profile is arranged at a different angle in relation to the first drive profile, that is to say in relation to the first drive profile is rotated.
  • the profiles are preferably angularly or rotationally offset from one another at an angle of 45 to 60 degrees, preferably 45 or 60 degrees.
  • linear offset or linear offset means that the second drive profile is arranged in relation to the first drive profile on a different plane in the longitudinal direction along the longitudinal axis of the key arm.
  • the invention now combines these types of offsets in all possible combinations, if possible several times in each key arm.
  • the key arm longitudinal axis extends centrally along each key arm and the primary key arm tool level is in each case the tool level which is directly accessible from the outside of a key head and in this respect extends from the outer surface or the outer opening of a tool head to about 6 mm into the respective tool head and sometimes goes in there a second key arm tool level, which again has a depth of 3-5 mm.
  • this task is already achieved with a switch cabinet key of the type mentioned at the outset in that the second drive profile is partially offset in a proximal linear manner to the base body in a secondary key arm tool level and that this second drive profile is also already partially, at least with the corners in the primary key arm tool level is formed, thus also extends into the first key arm tool level. Since the second drive profile is also rotationally offset from the first drive profile, the corners of the second drive profile in the primary key arm tool level thus form pre-engagement surfaces according to the invention, with which, in most applications, the lock, tool or the like actuated with the second drive profile can already be actuated by the edge engagement .
  • Preferred embodiments include that the second drive profile is also arranged so as to be rotationally offset from the first drive profile.
  • An angle between 0 and 45 degrees of rotation has proven to be expedient for this angular or rotational offset, particularly preferred results and stable wall thicknesses of the key arm were achieved at an offset of 45 degrees.
  • the second drive profile is only partially formed or pronounced in the first key arm tool level and in an underlying second or secondary key arm tool level, which is thus formed in the direction of the base body in the key arm, only then full drive profile is formed.
  • This partial formation of the second drive profile in the primary key arm tool level thus already provides a "grip area" for transmitting smaller torques of the second drive profile ready, 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 geometrical configurations, but can also have the drive profiles in different sizes.
  • This configuration offers, with surprisingly simple means, the advantage that a plurality of different key surfaces can be formed in a tool head on one tool key level, that is to say only minimal changes to the tools are required in a minimal space in order to increase the functionality. This is particularly advantageous compared to other configurations with several tools on a switch cabinet key, because no further 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 e.g. be triangular and the second drive profile is square, the square - second - drive profile being arranged off-axis from the center of the triangular key surface. This offers the advantage that the square key surface is almost completely available for the force intervention, although this is partially interrupted by the first, triangular key surface.
  • the application possibilities for a given size of the control cabinet key can be increased even further by the fact that a key arm also extends in the longitudinal direction or tool head, different drive profiles are formed in different planes, that is to say a further drive profile in a - further - key arm tool plane linearly displaced inwards from the first key arm tool plane in the direction of the base body.
  • 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 level, and a third drive profile is formed in a second key arm tool level offset inwards from the base body, for example with a smaller hexagon, which only begins at an insertion depth of 9 to 10 mm.
  • At least one of the key arms has an outside key surface for attacking an open-end wrench, particularly preferably designed as a hexagon.
  • Each of the key arms preferably has key areas of this type, it being possible in a further development to provide key surfaces of different sizes on different arms or to extend on both sides from the center on the one side a first key surface and on the opposite side of the key arm a second other key surface.
  • These wrench flats are designed in particular for interaction with a wrench or wrenches of different key sizes.
  • a key arm preferably comprises a double bit as a tool.
  • Such a double beard includes one along the longitudinal axis of the key arm and this cylindrical base body enclosing this with its cylindrical outer surface, from which two beards extend radially outwards in a diametrically opposite manner.
  • Each beard is basically designed as a cuboid body, which comprises a distal or frontal beard insertion surface and two beard flanks which are spaced radially outward from the cylindrical base body and to one another by the width of the insertion surface and which extend from the cylindrical outer surface of the to a radially outer beard outer surface extends, which at the - rear - proximal ends merge into the lateral surface of the key arm or connect to it.
  • the stability against wear and the service life of such a double bit is improved in that the double bit has an inside collar or an inside stabilizing flange at the transition into the lack surface of the key arm, which extend transversely to the key arm longitudinal axis.
  • this inside collar significantly reduces the notch effect, in particular at the base of the flanks of the beards of the double beard, so that with such a double beard about 30-50% higher torques than with a double beard without such an inside Confederation can be transferred.
  • a further improvement in the service life can be achieved in that the diametrically radial beards projecting from the central, cylindrical outer surface are wider in the region of the outer surface than on the beard outer surfaces or from their radially outer beard surfaces to the cylindrical outer surface, i.e. from the outside tapering inwards to widen the notch effect when the beards transition into the central, cylindrical surface to reduce the double beard, 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 positioned in the complementary recess of the joining partner / lock.
  • the concept of edge intervention according to the invention is used.
  • each beard on the base of the beard that is to say radially on the inside, immediately after the cylindrical base body, is in the range from 8 to 12%, preferably 10%, wider than on the radially outer outer flank of the beard. This is done e.g. due to a beard flank that is slightly inclined towards the central axis, e.g. includes an angle of between 5 and 8 degrees, preferably 6 degrees, with the central axis.
  • a steady increase in the beard width to the beard base is advisable to avoid any play, e.g. to compensate harmoniously by aging between the joining partners.
  • a particularly long service life or a particularly long service life and stability of a double beard is achieved by combining the two new developments, i.e. the beards that widen radially from the outside inward, at their distal ends to the base body, or into a stabilizing flange Have stabilization on the flange.
  • the radially outer end of a key arm is proximal and the distal designation is an orientation to the center of the base body.
  • 3 of the total of 4 key arms comprise further drive profiles formed in a second key arm tool level compared to the first key arm tool level of the respective key arm.
  • a second key arm tool level compared to the first key arm tool level of the respective key arm.
  • a key arm provides that a triangular drive profile is formed in the first key arm tool level and rotated relative to it in the first key arm tool level and further rotated to this, a further square drive profile that is formed in the first key arm tool level only with the look-ahead surfaces and then as a full profile in the second key arm tool level that is 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 comprise 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 a captive lock, which is particularly preferably designed as a chain is.
  • This chain is preferably attached to a fastening part that is formed laterally on the central base body and between two key arms.
  • the insertion tool can have a hexagonal circumferential area which can be inserted into a rotationally fixed receptacle provided on a tool head.
  • the insertion tool can comprise a screwing tool, which preferably has different screw drives at opposite ends.
  • the base body can also have a square holder, 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 comprises four key arms which protrude radially from the base body and define a common key level.
  • the switch cabinet key is particularly easy to operate even in confined spaces and in a small configuration, 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 e.g. by flattening the front and the back of at least one key arm, but can also include an outside square or hexagon on 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. Identical or similar elements are provided with identical reference symbols in the figures, insofar as this is expedient.
  • FIG. 9 to 12 include figure sequences each with four individual representations A to D to clarify the specific design of the respective tool heads.
  • FIG. A shows an enlarged top view
  • FIG. B each shows a cross section of the front view according to FIG. A
  • FIG. C shows a cross section of the top view, i.e. at right angles to the plane defined by the front view according to FIG. A
  • FIG. D 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 projecting 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 comprising a square / triangular double tool and a fourth key arm 6 with a fourth tool head 61 comprising a triangular / triangular double tool, which together form a key cross.
  • the central base body 2 comprises two additional tool heads 21, 22. This is oriented approximately perpendicular to the radial key arms 3, 4, 5 and 6.
  • the key arms 3, 4, 5 and 6 define a key main level.
  • This tool head is formed with an internal square 21 on one side of the base body 2 and with an internal hexagon 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 chain, not shown, which is closed in a ring 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 first tool head 31 is designed as a double bit, which comprises a cylindrical base body 311, the lateral surface of which surrounds the key arm longitudinal axis running through the center of the key arm. Formed in one piece on this cylindrical base body 311, two beards 312, 313 project radially opposite to the outside. At the inside end of the double bit at the transition to the first key arm 3, the latter is formed with a circumferential stabilizing flange 314, which additionally stabilizes the whiskers 312, 313 and considerably reduces the notch effect on the whiskers 312, 313 of the cylindrical base body 311.
  • Sequence of figures 9 with individual figures 9A to 9D shows an enlarged detailed view of the first tool head 31 with the double bit, that is along the longitudinal axis of the key arm onto the distal end of the first key arm 3, the details being provided with reference numerals only for a beard 312.
  • Each beard 312, 313 of the double beard is formed by a front beard insertion surface 3121, from which two beard flanks 3122, 3123 extend at a distance from one another to the rear to the stabilizing flange 314 and between the cylindrical base body 311 and a beard outer surface 3124 to form the rectangular beards 312, 313.
  • the stabilizing flange 314 is also wider than the cylindrical base body 311
  • the beards 312, 313 are preferably designed such that the beard flanks 3122, 3123 extend from the beard outer surface 3124 widen conically to the cylindrical base body 311, this widening increasing particularly strongly in the region of the base body 311, so that this widening provides an enlarged area for the edge engagement (see in particular Figure 15 ).
  • the front view according to Figure 9D as well as the enlarged front view according to Figure 15 also show a bit holder 315 for a minibit hexagon, which is provided proximal to the double bit in a secondary key arm tool surface in the circular central opening of the cylindrical base body 311, which surrounds the key arm longitudinal axis in a ring with its outer 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 level and proximal to this primary key arm level in the secondary key arm tool level, a second drive profile designed as a second square 412.
  • the second square 412 is arranged collinearly with the first square 411, but smaller than the first square 411 and offset by approximately 45 degrees relative to the first square 411 about the key arm longitudinal axis.
  • a hexagon socket 413 is provided collinear with the first square 411 and the second square 412, and proximal to the latter in a tertiary key arm tool surface, which in turn is smaller than the second square 412 and in this respect is enclosed or enclosed by it .
  • the second square 412 which is coaxial to the primary key arm tool surface, is formed proximal to the first and rotated by 45 degrees around the longitudinal axis of the key arm at a depth of approximately 3 to 5 mm following the primary key arm tool plane, whereby but the four edges or corners of the second square 412 extend into the first key arm tool plane and form the pre-engagement surfaces according to the invention there, but which are provided in this way on each tool head.
  • the third tool head 51 is designed as a double key 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 from the triangular drive profile 511, as a result of which a sufficient wall thickness of the key head 51 is also provided for the square drive profile 512 and that from the leg of the triangular one Drive profile 511 downwardly projecting area of the square drive profile 512 is provided as additional contact surfaces for the transmission of the torque and in particular all corners of the square drive profile 512 are available for edge engagement.
  • the smaller square drive profile 512 is also arranged approximately twice as deep in the key arm 5 as the triangular drive profile 511, but extends at least with its edges / corners into the primary key arm tool level from the secondary key tool level.
  • the fourth tool head 61 is also designed as a double key head (triangular / triangular), specifically with a first triangular 611 in the primary, i.e. distal key arm tool plane, and a second triangular 612, which is formed proximal to the first triangular 611 and smaller than this.
  • the first triangle 611 and the second triangle 612 are arranged collinearly along the longitudinal axis of the key arm, but aligned at an angle of approximately 60 degrees with respect to one another.
  • the second triangle 612 is approximately twice as deep as the first triangle 611 and smaller than the first triangle 611.
  • collinear with the first triangle 611 and second triangle 612, along the longitudinal axis of the key arm is an internal hexagon 613 in a tertiary key arm tool plane proximal to the secondary key arm tool plane intended.
  • 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 is located in the secondary key arm tool level proximally therefrom, the second drive profile in the secondary key arm tool level is each made 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 there provide the pre-engagement surfaces according to the invention for the edge engagement.
  • a third or fourth drive profile can be formed in each tool head, which is then preferably in a respective tertiary key arm tool level proximal to the respective secondary key arm tool level is arranged in the key arm, and wherein this tertiary key arm tool level is in turn made smaller than the respective second drive profile in the respective secondary key arm tool level.
  • the front and the back of the key arms 3, 4, 5, 6 of the control cabinet key are flattened and thus define a key area for an open-end wrench, so that each key arm can be used in tight spaces and with a small configuration of the control cabinet key, e.g. A total length of 65 or 55 mm from one proximal outer surface of the key surface to the opposite outer edge of the outer surface of the key surface can exert sufficient force for the rotation or closure.
  • the outer circumferential surfaces of the key arms 3, 4, 5, 6 can of course also have other geometrical outer surfaces to achieve the same effect, as long as this offers a sufficient force application surface for a tool key.
  • the concept according to the invention of the axial offset of two or more drive profiles along a key arm longitudinal axis in a key arm, the proximal second drive profile extending at least with the edges / corners from the proximal to the distal key arm tool plane to provide the pre-engagement surfaces for the edge engagement extends can also be implemented alone, that is to say on a tool which only comprises one such tool.
  • the double bit according to the invention with the stabilizing flange and / or the radially inwardly widening beard flanks is not designed in combination with other tool heads on a switch cabinet key, but can also be designed as a separate, i.e. single tool.
  • This configuration can also be designed as a single tool separately from the combination with a double bit or other key arms.
  • the combination on 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.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Prostheses (AREA)
  • Dry Shavers And Clippers (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Coin-Freed Apparatuses For Hiring Articles (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
EP18711067.1A 2017-03-13 2018-03-09 Schaltschrankschlüssel Active EP3580016B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL18711067T PL3580016T3 (pl) 2017-03-13 2018-03-09 Klucz do szafy sterowniczej
EP20172058.8A EP3800010A1 (de) 2017-03-13 2018-03-09 Schaltschrankschlüssel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017105219.4A DE102017105219B4 (de) 2017-03-13 2017-03-13 Schaltschrankschlüssel
PCT/EP2018/055924 WO2018166915A1 (de) 2017-03-13 2018-03-09 Schaltschrankschlüssel

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP20172058.8A Division EP3800010A1 (de) 2017-03-13 2018-03-09 Schaltschrankschlüssel

Publications (2)

Publication Number Publication Date
EP3580016A1 EP3580016A1 (de) 2019-12-18
EP3580016B1 true EP3580016B1 (de) 2020-05-20

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ID=61628339

Family Applications (2)

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EP20172058.8A Pending EP3800010A1 (de) 2017-03-13 2018-03-09 Schaltschrankschlüssel
EP18711067.1A Active EP3580016B1 (de) 2017-03-13 2018-03-09 Schaltschrankschlüssel

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20172058.8A Pending EP3800010A1 (de) 2017-03-13 2018-03-09 Schaltschrankschlüssel

Country Status (5)

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EP (2) EP3800010A1 (pl)
DE (1) DE102017105219B4 (pl)
ES (1) ES2808143T3 (pl)
PL (1) PL3580016T3 (pl)
WO (1) WO2018166915A1 (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022001482A1 (de) * 2022-04-28 2023-11-02 Schuebo Gmbh SCHLÜSSELELEMENT-VERWENDUNG, SCHLÜSSELELEMENT, SCHLÜSSEL und SCHLÜSSELELEMENT-HERSTELLUNG

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB715163A (en) * 1952-05-06 1954-09-08 Res Eng & Mfg Driving tool for socket head fasteners
GB1563400A (en) * 1975-12-10 1980-03-26 Tokai Rika Co Ltd Lock mechanism
DE20216931U1 (de) * 2002-10-31 2003-01-16 Schünke und Bockmühl GmbH, 57223 Kreuztal Schaltschrankschlüssel
EP2781309A2 (de) * 2013-03-21 2014-09-24 Schünke GmbH Universalschlüssel
EP3053707A1 (de) * 2015-02-04 2016-08-10 Schuebo GmbH Universalschlüssel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US838109A (en) 1906-06-15 1906-12-11 Frederick A Hanes Ratchet-wrench.
DE202009005858U1 (de) * 2009-04-21 2009-06-18 Schünke und Bockmühl GmbH Universalschlüssel
ES2496770T3 (es) 2010-02-17 2014-09-19 Knipex-Werk C. Gustav Putsch Kg Combinación de llaves para armarios de distribución eléctrica

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB715163A (en) * 1952-05-06 1954-09-08 Res Eng & Mfg Driving tool for socket head fasteners
GB1563400A (en) * 1975-12-10 1980-03-26 Tokai Rika Co Ltd Lock mechanism
DE20216931U1 (de) * 2002-10-31 2003-01-16 Schünke und Bockmühl GmbH, 57223 Kreuztal Schaltschrankschlüssel
EP2781309A2 (de) * 2013-03-21 2014-09-24 Schünke GmbH Universalschlüssel
EP3053707A1 (de) * 2015-02-04 2016-08-10 Schuebo GmbH Universalschlüssel

Also Published As

Publication number Publication date
WO2018166915A1 (de) 2018-09-20
ES2808143T3 (es) 2021-02-25
DE102017105219A1 (de) 2018-09-13
EP3580016A1 (de) 2019-12-18
PL3580016T3 (pl) 2020-11-16
EP3800010A1 (de) 2021-04-07
DE102017105219B4 (de) 2019-02-21

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