EP3429869B1 - Dispositif de taillage des crayons - Google Patents

Dispositif de taillage des crayons Download PDF

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Publication number
EP3429869B1
EP3429869B1 EP17710531.9A EP17710531A EP3429869B1 EP 3429869 B1 EP3429869 B1 EP 3429869B1 EP 17710531 A EP17710531 A EP 17710531A EP 3429869 B1 EP3429869 B1 EP 3429869B1
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EP
European Patent Office
Prior art keywords
sharpener
counter
unit
elements
force
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EP17710531.9A
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German (de)
English (en)
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EP3429869A1 (fr
Inventor
Stephan Eisen
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Eisen GmbH
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Eisen GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L23/00—Sharpeners for pencils or leads

Definitions

  • the invention relates to a device for sharpening pencils, in particular for sharpening pencils of different diameters, comprising two sharpener units, each comprising a housing part and at least one sharpening device which is arranged or formed at least in sections in the housing part and comprises at least one sharpening element which is accessible via an access opening .
  • Such devices sometimes also referred to as “double or multiple sharpeners”, are known per se.
  • the particular practicality of these devices is that they have two sharpening units which (each) comprise different sharpening devices, by means of which different pencils, i. H. in particular, pins having different outer diameters or different (geometric) outer configurations can be sharpened; different pencils can be sharpened with one and the same device.
  • U.S. 5,987,759 A discloses a pencil sharpener having a closable sharpener opening.
  • U.S. 2009/067912 A1 and DE 15 11 450 A1 disclose pencil sharpeners that have multiple sharpening units and are suitable for use with pencils of various diameters.
  • the invention is based on the object of specifying an improved device for sharpening pins, in particular for sharpening pins of different diameters.
  • the device described herein is generally for sharpening pens.
  • pins with different (geometric) external configurations ie in particular different diameters or different cross-sectional geometry, can be sharpened with this device.
  • the device can be referred to as or considered "double or multiple sharpener" in the appropriate configuration.
  • any type of pencil that can be sharpened ie in particular paint, cosmetic, writing or drawing pencils, can be sharpened with the device.
  • the device includes two (separate) sharpening units.
  • Each sharpener unit comprises a housing part designed in one or more parts, as will be seen below, and at least one sharpener device arranged or formed at least in sections in the housing part.
  • Each sharpening device comprises at least one sharpening element, which is accessible via an access opening, which is in particular conical or funnel-shaped, and is in particular blade- or cutting-edge-shaped.
  • the respective sharpening devices typically differ from one another in that different pencils can be sharpened with the respective sharpening devices.
  • the respective sharpening devices differ e.g. B. in the geometric design, d. H. e.g. B. the cone or funnel-like course, respective access openings or in various parameters influencing the tip properties, d. H. e.g. B. the arrangement, the cut, etc., respective pointed elements.
  • Respective housing parts have a base body.
  • the base body delimits a receiving space that defines a specific spatial volume.
  • the spatial volume is partially occupied by corresponding sharpening devices arranged or formed in the receiving space.
  • the volume of space that is not used by corresponding sharpening devices and is therefore free is set up as a reservoir for receiving material removed when pencils are sharpened.
  • the receiving space is therefore used both for receiving at least one sharpening device, at least in sections, and for receiving material removed during a sharpening process.
  • a respective basic body can have any basic geometric shape.
  • the base body a cylindrical or cylinder-like, a prismatic or prism-like basic shape or a polygonal, z. B. have a triangular, pentagonal, etc., basic shape.
  • the base body can be designed to be open on one side.
  • a cover element in particular a plate-like one, can be provided, optionally as part of a sharpening device of a respective sharpener unit, which can be releasably connected or is connected to the base body in the area of the open side of the base body.
  • the device is equipped with one or more closing elements in order to take account of the problem mentioned at the outset of undesired escape of removal material located in a respective housing part and produced during a sharpening process through respective access openings on the sharpener device.
  • the respective access openings on the sharpener device side can be closed as required, so that an undesired escape of material removed in a respective housing part and produced during a sharpening process is not possible.
  • a first embodiment of the device is characterized by a (single) closing element.
  • the two sharpener units assignable or associated closing element is between a first closed position in which it closes the access opening(s) of a first sharpener and a first open position in which it does not close the access opening(s) of the first sharpener, and between a second closed position in which it closes the access opening(s) a second sharpener, and a second open position in which it does not occlude the access opening(s) of the second sharpener.
  • the first embodiment of the device thus comprises a closing element which is used to open and close all access openings of a first sharpening device belonging to a first sharpener unit and to open and close all access openings of a second sharpening device belonging to a second sharpening unit, and therefore to simultaneously open and close all access openings of all sharpening devices on the sharpener unit side is set up.
  • the closing element is movable, in particular pivotally movable, articulated relative to the access openings on the sharpener device side on a part of the device, ie for example on a housing part or on a connecting element connecting the housing parts on the sharpener unit side to one another.
  • respective access openings on the sharpener unit side or their entry areas are typically aligned facing one another, possibly with a specific lateral offset.
  • a second embodiment of the device is characterized by two (separate) closing elements.
  • a first closure member associated with a first sharpening unit is movable between a closed position in which it closes the access opening(s) of a first sharpening device associated with the first sharpening unit and an open position in which it does not close the access opening(s) of the first sharpening device.
  • a second closure member associated with a second sharpening unit is movable between a closed position in which it closes the access opening(s) of a second sharpening device associated with the second sharpening unit and an open position in which it does not close the access opening(s) of the second sharpening device.
  • the second embodiment of the device thus comprises two separate closing elements, with a first closing element being set up to open and close all access openings of a first sharpening device belonging to a first sharpening unit and a second closing element being set up to open and closing all access openings of a second sharpening device belonging to a second sharpening unit.
  • the first closing element is articulated on the first sharpener unit in a movable, in particular pivotally movable, manner relative to its sharpener-side access opening.
  • the second closing element is articulated on the second sharpener unit in a movable, in particular pivotally movable, manner relative to its sharpener-side access opening.
  • the respective closing element covers or closes the respective access opening(s) in the respective closed positions, so that it is not possible to insert a pin into the respective access opening(s). Equally, it is not possible for removal material that may be contained in the respective housing part to exit via the respective sharpener units or via the respective access opening(s) on the sharpener unit. Conversely, the respective closing element does not cover the respective access opening(s) in the respective open positions, so that it is possible to insert a pin into the respective access opening(s).
  • the closing element(s) are typically arranged in a fixed position between the respective housing parts on the sharpener unit side (“sandwich arrangement") .
  • respective access openings on the sharpener unit side or their entry areas are typically aligned facing one another, possibly with a specific lateral offset.
  • a respective closing element typically has a flap- or plate-like base body which can be moved, in particular pivoted, relative to a respective access opening, e.g. B. is arranged on a respective housing part.
  • At least one sealing element can be arranged or formed on a respective closing element.
  • a corresponding sealing element is expediently adapted to the inner contour of an access opening that can be assigned or assigned to it, so that in a respective closed position it can protrude at least in sections into the access opening that can be assigned or assigned to it.
  • a sealing element z. B be formed as a ring (disc)-shaped extending projection which protrudes sealingly in the respective closed position in the entrance area of the access opening.
  • a sealing element can be formed at least in sections from an elastomer material or can be provided with such an elastomer material.
  • the two sharpener units of the device can be or can be connected to one another via at least one connecting element.
  • the connection between the two sharpener units that can be produced or produced via a corresponding connecting element can in principle be detachable (without damage or destruction) or non-detachable (without damage or destruction).
  • the two sharpener units are detachably connected to one another.
  • the connecting elements that correspond to one another are designed to work together to form a detachable connection between the two sharpener units.
  • a detachable connection of the two sharpener units can be realized by a non-positive and/or positive connection, in particular a non-positive and/or positive clamp, press or plug connection.
  • a first connecting element can be designed as a force-fitting element or as a form-fitting element.
  • a second connecting element can be designed as a counter-force-locking element corresponding to the force-locking element or as a counter-positive-locking element corresponding to the form-locking element.
  • the force-locking and counter-force-locking elements or form-locking and counter-form-locking elements that correspond to one another are set up to interact in a force-locking or form-locking manner, forming a detachable connection of the two sharpener units.
  • a detachable connection of the two sharpener units can (alternatively or additionally) also be realized by a magnetic connection.
  • a first connecting element can be designed as a magnetic element or at least include one.
  • a second connecting element can be embodied as a counter-magnetic element that (magnetically) corresponds to the magnetic element, or can at least comprise such a counter-magnetic element.
  • the mutually corresponding magnet and counter-magnet elements are set up to magnetically interact or interact with the formation of a detachable connection of the two sharpener units.
  • Corresponding magnetic or counter-magnetic elements consist at least in sections of (permanent) magnetic material, e.g. B. an iron-cobalt-nickel alloy, or magnetizable material such. B. ferritic steel. This also applies to all magnet and counter-magnet elements mentioned below.
  • Corresponding force-fitting or form-fitting elements or counter-force-fitting or counter-form-fitting elements can be formed integrally with a section of the respective sharpener unit or a section of the respective housing parts on the sharpener unit.
  • Corresponding magnetic elements or counter-magnetic elements can be integrated at least in sections, in particular completely, into a section of the respective sharpener unit, e.g. B. by overmoulding with a spray material forming the respective section of the sharpener unit, d. H. typically a thermoplastic plastics material.
  • a corresponding force-fitting, form-fitting or magnetic element can be arranged or formed on a section of the first sharpener unit that delimits the receiving space on the housing part side.
  • a corresponding counter-force closure, counter-form closure or counter-magnet element can be arranged or formed on a section of the second sharpener unit that delimits a receiving space on the housing part side.
  • Respective sections may form the or part of the front face or side of respective housing parts.
  • a force-fitting, form-fitting or magnetic element can be arranged or formed on the housing part of the first sharpener unit or on a cover element that can be connected or is connected to the base body of the housing part of the first sharpener unit, in particular a plate-like one, in particular as part of the sharpening device of the first sharpener unit.
  • the force-fitting, form-fitting or magnetic element can be attached to an exposed (upper) section of the housing part of the first sharpener unit when the two sharpener units are not connected to one another, in particular to an end face or side of a (substantially) cylindrical or prismatic housing part forming section, or on a section of a cover element that can be connected or connected to a base body of the housing part of the first sharpener unit, in particular a plate-like one, that is exposed when the two sharpener units are not connected.
  • a force-fitting, form-fitting or magnetic element is arranged or formed on a first closing element associated with the first sharpener unit (cf. the above-mentioned second embodiment of the device).
  • the force-fitting, form-fitting or magnetic element can be arranged or formed on a section of the first closing element that is exposed when the first closing element is in the closed position.
  • a non-positive locking, counter-positive locking or counter-magnetic element can be arranged or formed on the housing part of the second sharpener unit or on a cover element that can be connected or connected to a base body of the housing part of the second sharpener unit, in particular a plate-like one, in particular as part of the sharpening device of the second sharpener unit.
  • the housing part of the second sharpener unit can be connected or connected, in particular a plate-like cover element.
  • the or a counter-force closure, counter-form closure or counter-magnet element is arranged or formed on a second closing element associated with the second sharpener unit (cf. the above-mentioned second embodiment of the device).
  • the counterforce closure, counterform closure or countermagnet element can be arranged or formed on a section of the second closing element that is exposed when the second closing element is in the closed position.
  • a force-fitting element or a form-fitting element can be designed as a projection, in particular running like a strip or an edge, on the housing part of the first sharpener unit or a cover element or a closing element that can be connected or connected to a base body of the housing part of the first sharpener unit, in particular as a plate.
  • the projection can be formed by a lateral boundary edge of an elevation of the housing part of the respective sharpener unit or a cover element or a closing element that can be or is connected to a base body of the housing part of the respective sharpener unit, in particular a plate-like one.
  • the respective specific geometric-constructive design of the projection determines whether the connection that can be formed with it is force-fitting or form-fitting.
  • a counter-force-locking element or a counter-form-locking element can be designed as a receptacle, recess or indentation, in particular running like a groove or an edge, on the housing part of the second sharpener unit or a cover element or a closing element that can be connected or connected to a base body of the housing part of the second sharpener unit, in particular a plate-like one be.
  • the receptacle, recess or indentation can be formed by a lateral boundary edge of an indentation in the housing part of the respective sharpener unit or a cover element or a closing element that can be or is connected to a base body of the housing part of the respective sharpener unit, in particular a plate-like one.
  • the respective specific geometric-constructive design of the receptacle, recess or indentation determines whether the connection that can be formed with it is non-positive or positive.
  • the force-locking or positive-locking connection produced by the respective sharpener units can be a clamp, press or plug-in connection
  • the respective friction-locking and counter-force-locking elements or respective form-locking and counter-form-locking elements can also be used as Clamping and counter-clamping elements, pressing and counter-pressing elements or plug-in and counter-plug elements are designated or considered.
  • combined force and form-fitting elements e.g. B. in the form of threaded elements, d. H. External or internal thread (sections) n, conceivable.
  • Corresponding combined counter-force and counter-form-locking elements can be counter-thread elements, i. H. Internal or external thread (sections) be.
  • Respective threaded elements and counter-threaded elements can be designed in such a way that a connection of the sharpener units formed by a corresponding thread engagement can be released by a specific rotation, e.g. B. a 90 ° - or 180 ° rotation of the attached sharpener units relative to each other.
  • the two sharpener units are permanently connected to one another.
  • the connecting element is associated with both a first sharpening unit and a second sharpening unit.
  • a (single) connecting element can be provided, the connecting element being connected both to the first sharpener unit and to the second sharpener unit.
  • at least two (separate) connecting elements can be provided, with at least a first connecting element being connected to a first sharpener unit and the closing element and at least a second connecting element being connected to a second sharpener unit and the closing element. The closing element is thus connected between the two sharpener units.
  • the connecting element can be arranged on a respective housing part, in particular on an upper edge area of the respective housing part, the respective sharpener unit or on a cover element that can be connected or connected, in particular plate-like, to a base body of the housing part of the respective sharpener unit, in particular on an upper edge area of the respective cover element or be educated.
  • a respective connecting element can be a hinge element, in particular a film hinge.
  • a connecting element designed as a hinge element the two sharpener units can be connected to one another so that they can be moved relative to one another, in particular so that they can be pivoted.
  • the hinge element connects the two sharpening units directly to one another and is correspondingly connected both to a first sharpening unit and to a second sharpening unit.
  • a first hinge element connects a first sharpener unit to the closing element and a second hinge element connects the closing element to the second sharpener unit.
  • the closing element is therefore connected between the two sharpener units.
  • At least one connection securing element can be present to secure a connection position in which the sharpener units are moved against one another with respective contact surfaces, in particular on the end faces.
  • a corresponding connection securing element is therefore set up to secure a connection position in which the sharpener units are moved against one another with respective contact surfaces, in particular on the end faces.
  • at least two mutually corresponding securing elements are present, with at least one first securing element being associated with a first sharpener unit and at least one second securing element being associated with a second sharpener unit.
  • the respective mutually corresponding connection securing elements are set up to form a securing of the moved into the connection position, i. H. e.g. B. mutually pivoted to cooperate sharpener units.
  • connection securing element can correspond structurally to the connection elements described in connection with the detachable connection of respective sharpener units.
  • a first connection securing element as a frictional element or be designed as a form-fitting element.
  • a second connection securing element can be designed as a counter-force-locking element corresponding to the force-locking element or as a counter-form-locking element corresponding to the form-locking element.
  • the force-locking and counter-force-locking elements or positive-locking and counter-positive-locking elements that correspond in each case to one another are set up to interact in a form-fitting manner while securing the sharpener units that have been moved into the connecting position.
  • Securing the sharpener units moved into the connection position in which the sharpener units are moved with respective, in particular frontal, contact surfaces against one another, can (alternatively or additionally) also be realized by a magnetic connection.
  • a first connection securing element can be designed as a magnetic element or at least comprise one.
  • a second connection securing element can be embodied as a counter-magnetic element that (magnetically) corresponds to the magnetic element, or can at least comprise such a counter-magnetic element. The mutually corresponding magnet and counter-magnet elements are set up to magnetically interact or interact to form a safeguard for the sharpener units moved into the connecting position.
  • a corresponding force-fitting, form-fitting or magnetic element can be arranged or formed on a section of the first sharpener unit that delimits the receiving space on the housing part side.
  • a corresponding counter-force closure, counter-form closure or counter-magnet element can be arranged or formed on a section of the second sharpener unit that delimits a receiving space on the housing part side.
  • a force-fitting, form-fitting or magnetic element can be arranged or formed on the housing part of the first sharpener unit or on a cover element that can be connected or is connected to a base body of the housing part of the first sharpener unit, in particular a plate-like one, in particular as part of the sharpening device of the first sharpener unit.
  • the force-fitting, form-fitting or magnetic element can be attached to an exposed (upper) section of the housing part of the first sharpener unit when the two sharpener units are not connected to one another, in particular to a section forming an end face of an (essentially) cylindrical, in particular prismatic, housing part , or on a section of a cover element that can be connected or connected to a base body of the housing part of the first sharpener unit, in particular a plate-like one, that is exposed when the two sharpener units are not connected.
  • a force-fitting, form-fitting or magnetic element is arranged or formed on a first closing element associated with the first sharpener unit (cf. in particular the above-mentioned (second) embodiment of the device with two (separate) closing elements).
  • the force-fitting, form-fitting or magnetic element can be arranged or formed on a section of the first closing element that is exposed when the first closing element is in the closed position.
  • a non-positive locking, counter-positive locking or counter-magnetic element can be arranged or formed on the housing part of the second sharpener unit or on a cover element that can be connected or connected to a base body of the housing part of the second sharpener unit, in particular a plate-like one, in particular as part of the sharpening device of the second sharpener unit.
  • the counter-force closure, counter-form closure or counter-magnetic element can be attached to an (upper) section of the housing part of the second sharpener unit that is exposed when the two sharpener units are not connected, in particular to a section that forms an end face of an (essentially) cylindrical, in particular prismatic, housing part. or be arranged or formed on a section of a cover element, in particular a plate-like one, that can be connected or connected to a base body of the housing part of the second sharpener unit and is exposed when the two sharpener units are not connected.
  • a counter-force closure, counter-form closure or counter-magnet element is arranged or formed on a second closing element associated with the second sharpener unit (cf. in particular the above-mentioned (second) embodiment of the device with two (separate) closing elements).
  • the counterforce closure, counterform closure or countermagnet element can be arranged or formed on a section of the second closing element that is exposed when the second closing element is in the closed position.
  • a force-fitting element or a form-fitting element can be designed as a projection, in particular running like a strip or an edge, on the housing part of the first sharpener unit or a cover element or a closing element that can be connected or connected to a base body of the housing part of the first sharpener unit, in particular as a plate.
  • the projection can be provided by a lateral boundary edge of an elevation of the housing part of the respective sharpener unit or a cover element that can be connected or is connected to a base body of the housing part of the respective sharpener unit, in particular a plate-like one, or a closing element.
  • the respective specific geometric-constructive design of the projection determines whether the connection that can be formed with it is force-fitting or form-fitting.
  • a counter-force-locking element or a counter-form-locking element can be designed as a receptacle, recess or indentation, in particular running like a groove or an edge, on the housing part of the second sharpener unit or a cover element or a closing element that can be connected or connected to a base body of the housing part of the second sharpener unit, in particular a plate-like one be.
  • the receptacle, recess or indentation can be formed by a lateral boundary edge of an indentation in the housing part of the respective sharpener unit or a cover element or a closing element that can be or is connected to a base body of the housing part of the respective sharpener unit, in particular a plate-like one.
  • the respective specific geometric-constructive design of the receptacle, recess or indentation determines whether the connection that can be formed with it is non-positive or positive.
  • At least one locking securing element which is set up to secure a closing element moved into a respective closed position in the respective closed position, can be present.
  • a closure securing element can be a form-fitting element arranged or formed on the closing element, which in the closed position of the closing element has a form-fitting connection with a corresponding counter-form-fitting element on the housing part of the respective sharpener unit or on a cover element that can be connected or is connected, in particular a plate-like one, to a base body of the housing part of the respective sharpener unit. works together.
  • the positive-locking element can be designed as a projection of the closing element, in particular one that extends like an edge.
  • the counter form-fitting element can be a receptacle, recess or indentation, in particular running in a groove-like manner, in particular formed by an edge delimiting a respective access opening, on the housing part of the respective sharpener unit or on a cover element that can be or is connected to a base body of the housing part of the respective sharpener unit, in particular a plate-like cover element be trained.
  • a locking element can be structurally identical to a sealing element mentioned above.
  • a locking element can also be a force-locking element which, in the closed position of the locking element, has a force-locking connection with a corresponding counter-force-locking element on the housing part of the respective sharpener unit or on a cover element that can be connected or is connected, in particular a plate-like one, to a base body of the housing part of the respective sharpener unit.
  • a corresponding closure securing element corresponds structurally to a connection securing element and vice versa.
  • a corresponding closure securing element can therefore also serve functionally as a connection securing element and vice versa.
  • a locking safety element can (alternatively or additionally) be a magnetic element arranged or formed on the closing element which, in the closed position of the closing element, magnetically connects or is connected to a corresponding counter-magnetic element on the housing part of the respective sharpener unit or on a base body of the housing part of the respective sharpener unit. in particular plate-like, cover element interacts.
  • the magnetic element can be arranged or formed in a projection of the closing element, in particular one that extends like an edge.
  • the counter form-fitting element can be in a receptacle, recess or indentation, in particular running in a groove-like manner and formed in particular by an edge delimiting a respective access opening, on the housing part of the respective sharpener unit or on a cover element that can be or is connected to a base body of the housing part of the respective sharpener unit, in particular a plate-like cover element be arranged or formed.
  • At least one handling element can be arranged or formed on respective closing elements, which is used for handling the closing element in connection with a movement of the closing element carried out by the user in or out a closed position into an open position, or vice versa.
  • a handling element can be z.
  • B. be a section running obliquely with respect to a main plane of the respective closing element.
  • the device i. H. the individual components (groups) and sub-components (groups) forming these, expediently at least in sections, in particular completely, for production engineering and thus economic reasons, in order to be made of a, in particular thermoplastic, plastic material, d. H. e.g. B. ABS, PA, PE, PP, PS formed components.
  • a thermoplastic, plastic material d. H. e.g. B. ABS, PA, PE, PP, PS formed components.
  • different components (groups) or sub-components (groups) can be formed from different plastic materials.
  • the figures show seven different exemplary embodiments of a device 1 for sharpening pencils.
  • the device 1 is intended for sharpening pencils of different (geometric) external configurations, i. H. in particular different diameters or different cross-sectional geometries.
  • the device 1 basically any type of sharpenable pins, i. H. in particular paint, cosmetic, writing or drawing pencils.
  • the device 1 comprises two sharpener units 2, 3.
  • Each sharpener unit 2, 3 comprises a housing part 4, 5.
  • the respective housing parts 4, 5 have—apart from the exemplary embodiment according to FIGS Figures 29 - 32 -
  • a base body 10, 11 having a (substantially) quadrangular basic shape with a lateral surface forming the outer circumference of the respective housing part 4, 5 and respective end faces.
  • a respective receiving space 12, 13 on the housing part side is delimited by the respective base bodies 10, 11.
  • the figure which shows a partially broken representation of the device 1, shows that a sharpening device 6, 7 is arranged or formed in the housing parts 4, 5 on the sharpener unit side.
  • the respective sharpening devices 6, 7 take up a certain part of the respective receiving space 12, 13 on the housing part respective sharpening device 6, 7 resulting ablation material.
  • the sharpening devices 6, 7 each comprise at least one sharpening element (not denoted in more detail) which is in the form of a blade or cutting edge and can also be referred to as a “sharpener knife”.
  • the respective sharpening device-side sharpening elements are accessible via access openings 8, 9 which extend in the manner of a cone or funnel and protrude into the respective receiving spaces 12, 13.
  • the sharpening device 6 associated with the first sharpener unit 2 comprises a (single) sharpening element accessible via a (single) access opening 8 and the sharpening device 7 associated with the second sharpening unit 3 comprises two sharpening elements accessible via a respective access opening 9 .
  • the second sharpening device 7 is therefore intended for sharpening pencils of different outside diameters, which results from the differently dimensioned access openings 9 .
  • the first sharpening device 6 is designed for sharpening pencils with a different, i.e. H. larger, outer diameter determined, which results from the compared to the access openings 9 of the second sharpening device 7 differently dimensioned access opening 8.
  • H. i.e. H. larger, outer diameter determined
  • the device 1 is equipped with one or more closing elements 14, 14a, 14b.
  • the respective access openings 8, 9 on the sharpener device side can be closed as required by the closing element(s) 14, 14a, 14b; an undesired escape of ablated material is then not possible.
  • the respective access opening(s) 8, 9 are covered or closed by the respective closing elements 14, 14a, 14b in the respective closed positions of the closing elements 14, 14a, 14b, so that an exit from in removal material contained in the respective housing part 4, 5 via the respective sharpener units 2, 3 or via the respective access opening(s) 8, 9 on the sharpener unit is not possible.
  • insertion of a pin into the respective access opening(s) 8, 9 is not possible.
  • FIG. 1 is a perspective view of the device 1
  • 2 is a partially broken perspective view of the device
  • 3 is a side view of the device
  • 4 , 5 are each perspective representations of first sharpener unit 2 of the device
  • Figures 6, 7 are perspective representations of the second sharpener unit 3 of the device 1.
  • the device 1 comprises two (separate) closing elements 14a, 14b (cf. Figures 4 - 7 ).
  • the first closing element 14a assigned to the first sharpener unit 2 is between a closed position (cf. 6 ), in which it closes the access opening 8 of the first sharpening device 6, and an open position (cf. figure 5 ) in which it does not close the access opening 8 of the first sharpening device 6.
  • the first closing element 14a has a flap-like or plate-like base body (not designated in more detail), which is articulated by means of a film hinge 16 (pivotingly) movable relative to the access opening 8 on a plate-like cover element 15 fastened (releasably) to the front of the base body 10.
  • the cover element 15 can form part of the first sharpener device 6, ie the first sharpener device 6 and the cover element 15 can be designed integrally with one another.
  • the second closing element 14b assigned to the second sharpener unit 7 can be moved between a closed position in which it closes the access openings 9 of the second sharpening device 7 and an open position in which it does not close the access openings 9 of the second sharpening device 7.
  • the second closing element 14b also has a flap-like or plate-like base body (not designated in more detail), which is articulated by means of a film hinge 18 (pivotingly) movable relative to the access openings 9 on a plate-like cover element 17 fastened (releasably) to the front of the base body 11 .
  • the lid member 17 may form part of the second sharpening device 7, i. H. the second sharpener 7 and the lid member 17 may be integral with each other.
  • the second closing element 14b could of course also be designed in several parts, i. H. a plurality of closing element parts (not shown) which are each assigned to a (single) access opening 9 and can be moved independently of one another.
  • the two sharpener units 2, 3 can be or are connected to one another in a detachable manner.
  • the detachable connection of the sharpener units 2, 3 is realized via respective sharpener-side connecting elements 19, 20, with a first connecting element 19 being assigned to the first sharpener unit 2 and a second connecting element 20 corresponding to the first connecting element 19 being assigned to the second sharpener unit.
  • the detachable connection of the two sharpener units 2, 3 is realized by a non-positive connection, ie a non-positive clamp, press or plug connection.
  • the first connecting element 19 is designed as a force-fitting element 21 .
  • the second connecting element 20 is embodied as a counter-force-locking element 22 that corresponds to the force-locking element 21 .
  • the counterforce element 22 is an edge-like recess formed by a lateral delimiting edge of a depression in the cover element 17 .
  • the force-locking and counter-force-locking elements 21, 22, which correspond to one another in each case, are set up to cooperate in a force-locking manner, forming a detachable connection between the two sharpener units 2, 3.
  • form-fitting elements 23 and counter-form-fitting elements 24 formed on the force-fitting element 21 or the counter-force-fitting element 22 can also be seen.
  • the form-fitting elements 23 distributed on the outside along the force-fitting element 21 are projections.
  • the counter-positive locking elements 24 distributed on the inside along the counter-positive locking element 22 are receptacles that correspond to the projections, whereby, as will be seen below, an inverted configuration would of course also be possible.
  • the projections act in the Figures 1, 2 shown connection position of the sharpening units 2, 3, in which the sharpening units 2, 3 are moved against each other on the front (surface) side, with the receptacles together in a form-fitting manner. In this way, the sharpener units 2, 3 moved into the connecting position are secured.
  • the positive-locking elements 23 and counter-positive-locking elements 24 therefore serve as connection securing elements, which are set up to secure the connection position.
  • sealing elements 26, 27 formed on the closing element side can be seen.
  • the sealing elements 26, 27 are adapted to the inner contour of the access opening(s) 8, 9 assigned to them, so that in a respective closed position they protrude into the access opening(s) 8, 9 assigned to them.
  • the conical or funnel-like access openings 8, 9 have an annular (disk)-shaped entrance area.
  • the sealing elements 26, 27 are in the Figures 4 - 7 correspondingly designed as annular (disc)-shaped projections, which in the respective closed position project sealingly into the entrance area of the respective access opening(s) 8, 9.
  • the sealing elements 26, 27 can be designed as funnel-like projections which, in the respective closed position, protrude into the entrance area of the respective access opening(s) 8, 9 to form a seal.
  • the outer contour or the outer circumference of the projections are (in both cases) sealing on the inner contour or the inner circumference of the entrance area of the respective access opening(s) 8, 9.
  • the sealing elements 26, 27 can be formed at least in sections from an elastomer material or can be provided with such an elastomer material.
  • respective handling elements 28, 29 on the closing element side can be seen.
  • the handling elements 28, 29 are used for better handling Closing elements 14a, 14b, in particular in connection with the transfer by the user of those from a respective closed position into a respective open position.
  • the handling elements 28, 29 are sections that run obliquely with respect to the main plane of the respective closing element 14a, 14b.
  • FIG. 8 is a perspective view of the device 1
  • 9 is a partially broken perspective view of the device 1
  • 10 is a side view of the device 1
  • 11 , 12 are perspective representations of the first sharpener unit 2 of the device 1
  • 13, 14 are perspective views of the second sharpener unit 3 of the device 1
  • 15, 16 are further perspective representations of the device 1.
  • a detachable connection of the two sharpener units 2, 3 is here by a non-positive connection, d. H. a non-positive plug-in connection.
  • respective corresponding connecting elements 19, 20 or respective corresponding force-locking and counter-force-locking elements 21, 22 are not formed or arranged on the cover element side, but rather on the closing element side.
  • Respective form-fitting elements 23 serve as connection securing elements, which are set up to secure the connection position in which the sharpener units 2, 3 are moved towards one another at the front (surface) side.
  • the force-fitting element 21 forming the first connecting element 19 is a projection that runs like a strip or an edge and protrudes (vertically) from the section of the first closing element 14a that is exposed in the closed position of the first closing element 14a (cf. 11 ).
  • the counterforce element 22 forming the second connecting element 20 is an edge-like recess formed by a lateral boundary edge of a depression in the section of the second closing element 14b that is exposed in the closed position of the second closing element 14b (cf. 13 ).
  • the force-locking and counter-force-locking elements 21, 22, which correspond to one another in each case, are set up to cooperate in a force-locking manner, forming a detachable connection between the two sharpener units 2, 3.
  • the positive-locking elements 30, 31 are each a section of the respective closing element 14a, 14b that protrudes (vertically) from the section of the respective closing element 14a, 14b that is exposed in the open position and thus from the section that is not exposed in the closed position of the respective closing element 14a, 14b projection (cf. 12, 14 ).
  • the projection forming the form-fitting element 30 is formed by a lateral boundary edge of a plateau-like elevation in the section of the first closing element 14a that is not exposed when the first closing element 14a is in the closed position (cf. 12 ).
  • the projection forming the form-fitting element 31 is formed by a strip-like projection protruding (vertically) from the section of the second closing element 14b that is not exposed when the second closing element 14b is in the closed position (cf. 14 ).
  • the mating form-fitting elements 32, 33 are each an edge-like recess formed by a respective lateral boundary edge of a respective depression in the section of the respective cover element 15, 17 that is exposed in the open position of the respective closing element 14a, 14b (cf. 12, 14 ).
  • first closing element 14a associated with the first sharpener unit 2 is moved into the open position and the second closing element 14b associated with the second sharpener unit 3 is moved into the closed position.
  • the force-fitting element 21 formed on the first closing element 14a engages in a force-fitting manner in the counterforce-fitting element 22 formed on the second closing element 14b and thus establishes a connection between the two sharpener units 2, 3.
  • In 16 is one to 15 reversed arrangement is shown, in which the first closing element 14a associated with the first sharpener unit 2 is moved into the closed position and the second closing element 14b associated with the second sharpener unit 3 is moved into the open position.
  • the counter-force-locking element 22 formed on the second closing element 14b positively engages in the force-locking element 21 formed on the first closing element 14a and thus establishes a connection between the two sharpener units 2, 3.
  • 17 is a perspective view of the device 1
  • 18 is a partially broken perspective view of the device 1
  • Figures 19 - 22 are further perspective representations of the device 1.
  • a closing element 14 is provided here only on the side of the first sharpener unit 2 .
  • the closing element 14 can nevertheless be assigned to both sharpener units 2, 3.
  • the access openings 9 of the second sharpener unit 3 are thus either in the 17, 18 arrangement shown and in the 22 shown arrangement, in which the closing element 14 associated with the first sharpener unit 2 is moved into the open position, with the closing element-side connecting or non-positive locking elements 19, 21 of the first sharpener unit 2 being non-positively connected to the corresponding lid element-side connecting or counter-positive locking elements 20, 22 of the second Sharpener unit 3 cooperate, closed.
  • first sharpener unit 2 could also be designed without a closing element 14 and the second sharpener unit 3 with a closing element 14 .
  • the positive-locking elements 23, which are designed here as receptacles, and the corresponding counter-positive-locking elements 24, which are designed here as projections, serve both as connection securing elements and as closure securing elements;
  • the form-fitting elements 23 and counter-form-fitting elements 24 are on the one hand to secure the connection position in which the sharpener units 2, 3 are moved towards one another at the front (surface) side, and on the other hand (at least) in relation to the sharpener unit 3 to secure the closing element 14 moved into the closed position in the set up closed position.
  • the sharpener units 2, 3 are no longer detachably but permanently connected to one another.
  • connection of the sharpener units 2, 3 is realized in each case by means of one or more connecting elements 34, 34a, 34b designed as hinge elements and arranged on an upper edge area of the or the respective cover element 15, 17. Due to the design of the connecting elements 34, 34a, 34b as hinge elements, the sharpener units 2, 3 can be moved relative to one another, in particular pivoted, and are connected to one another.
  • 23 is a perspective view of the device 1
  • 24 is a partially broken perspective view of the device 1
  • 25 - 28 are further perspective representations of the device 1.
  • the device 1 comprises (only) a (single) closing element 14 (cf. 25, 26 ).
  • the closing element 14 assigned to the two sharpener units 2, 3 is between a first closed position (cf. 28 ), in which it closes the access opening 8 of the first sharpening device 6, and a first open position, in which it does not close the access opening 8 of the first sharpening device 6, and between a second closed position (cf. 27 ), in which there are access openings 9 of second sharpening device 7 closes, and a second open position in which it does not close the access openings 9 of the second sharpening device 7, movable.
  • the closing element 14 has a flap-like or plate-like base body (not described in more detail below), which by means of connecting elements 34a, 34b in the form of hinge elements (pivoting) can be moved relative to the sharpener units 2, 3 or the access openings 8, 9 on the sharpener unit, e.g. B. is articulated on the respective end faces of the respective base bodies 10, 11 attached to the housing part-side cover elements 15, 17.
  • the sharpener units 2, 3 are connected to one another via the two connecting elements 34a, 34b and the interposed closing element 14.
  • a first connecting element 34a connects the first sharpener unit 2 to the closing element 14
  • a second connecting element 34b connects the closing element 14 to the second sharpener unit 3.
  • form-locking elements 30, 31 are formed on the closing element 14 and corresponding counter-form-locking elements 32, 33 are formed on the respective cover elements 15, 17 on the sharpener unit.
  • the form-fitting interaction of the respective form-locking elements 30, 31 on the closing element side and the respective counter-form-locking elements 32, 33 on the cover element side ensures that the closing element 14 moved into a respective closed position is secured in the respective closed position, analogously to the second exemplary embodiment.
  • the respective form-fitting elements 30, 31 and counter-form-fitting elements 32, 33 therefore also serve as locking securing elements here, which are set up to secure the closing element 14 moved into a respective closed position in the respective closed position.
  • connection securing elements namely, the form-fitting elements 30, 31 and counter-form-fitting elements 32, 33 are also set up to secure the connection position, in which the sharpener units 2, 3 are moved towards one another at the front (surface) side.
  • FIG. 29 is a perspective view of the device 1
  • 30 is a partially broken perspective view of the device
  • 31, 32 are further perspective representations of the device 1.
  • the fifth embodiment differs from the previous fourth Embodiment in particular in the basic shape of the housing parts 4, 5 of the respective sharpener units 2, 3, which is triangular here.
  • the triangular basic shape of the housing parts 4, 5 results in the in the 31, 32 "Unfolded" state of the device 1 a three-dimensional spatial extension. Otherwise, all statements in connection with the previous fourth exemplary embodiment apply analogously.
  • Figure 33 is a perspective view of the device 1
  • 34 is a partially broken perspective view of the device 1
  • 35 - 38 are further perspective representations of the device 1.
  • connecting element 34 for connecting the two sharpener units 2, 3 here.
  • the connecting element 34 is in turn a hinge element.
  • the closing element 14, which is also the only one here, is articulated (pivotingly) movable on the connecting element 34 (cf. Figure 35 ).
  • Figure 39 is a perspective view of the device 1
  • figure 40 is a partially broken perspective view of the device 1
  • Figure 41 , 42 are further perspective representations of the device 1.
  • the seventh exemplary embodiment comprises two (separate) closing elements 14a, 14b, analogously to the first exemplary embodiment.
  • the seventh embodiment can be seen as a combination of the sixth embodiment, from which the direct connection of the sharpener units 2, 3 via a connecting element 34 designed as a hinge element is taken, and the first embodiment, from which the arrangement and design of respective closing elements 14a, 14b on the sharpener unit side is taken , are considered, so that the corresponding statements in connection with the sixth and first exemplary embodiment apply analogously.
  • Respective threaded elements and counter-threaded elements can be designed in such a way that a connection of the sharpener units 2, 3 formed by a corresponding thread engagement can be broken by a specific rotation, e.g. B. a 90 ° - or 180 ° rotation, the attached sharpener units 2, 3 relative to each other.
  • a plastic material in particular thermoplastic, ie e.g. ABS, PA , PE, PP, PS, formed components.
  • thermoplastic ie.g. ABS, PA , PE, PP, PS
  • different components (groups) or sub-components (groups) can be formed from different plastic materials.

Landscapes

  • Toys (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Claims (14)

  1. Dispositif (1) permettant de tailler des crayons, en particulier de tailler des crayons de diamètres différents, comprenant :
    - deux unités de taillage (2, 3), lesquelles comprennent respectivement une partie de boîtier (4, 5) et au moins un appareil de taillage (6, 7) disposé ou formé, au moins dans certaines régions, dans la partie de boîtier (4, 5), lequel appareil de taillage comprend au moins un élément de taille, en particulier en forme de lame ou de tranchant, accessible par l'intermédiaire d'une ouverture d'accès (8, 9), en particulier en forme d'entonnoir,
    - un élément de fermeture (14), lequel est mobile entre une première position de fermeture, dans laquelle il ferme une ouverture d'accès (8) d'un premier appareil de taillage (6) associé à une première unité de taillage (2), et une première position d'ouverture, dans laquelle il ne ferme pas l'ouverture d'accès (8) du premier appareil de taillage (6), ainsi qu'entre une seconde position de fermeture, dans laquelle il ferme une ouverture d'accès (9) d'un second appareil de taillage (7) associé à une seconde unité de taillage (3), et une seconde position d'ouverture, dans laquelle il ne ferme pas l'ouverture d'accès (9) du second appareil de taillage (7) ; caractérisé en ce que les parties de boîtier (4, 5) présentent un corps de base qui est utilisé à la fois pour recevoir, au moins dans certaines régions, au moins un appareil de taillage (6, 7) et pour recevoir de la matière à enlever produite lors d'un processus de taille.
  2. Dispositif (1) permettant de tailler des crayons, en particulier de tailler des crayons de diamètres différents, comprenant :
    - deux unités de taillage (2, 3), lesquelles comprennent respectivement une partie de boîtier (4, 5) et au moins un appareil de taillage (6, 7) disposé ou formé, au moins dans certaines régions, dans la partie de boîtier (4, 5), lequel appareil de taillage comprend au moins un élément de taille, en particulier en forme de lame ou de tranchant, accessible par l'intermédiaire d'une ouverture d'accès (8, 9), en particulier en forme d'entonnoir,
    - un premier élément de fermeture (14a), lequel est mobile entre une position de fermeture, dans laquelle il ferme une ouverture d'accès (8) d'un premier appareil de taillage (6) associé à une première unité de taillage (2), et une position d'ouverture, dans laquelle il ne ferme pas l'ouverture d'accès (8) du premier appareil de taillage (6), et
    - un second élément de fermeture (14b), lequel est mobile entre une position de fermeture, dans laquelle il ferme une ouverture d'accès (9) d'un second appareil de taillage (7) associé à une seconde unité de taillage (3), et une position d'ouverture, dans laquelle il ne ferme pas l'ouverture d'accès (9) du second appareil de taillage (7), caractérisé en ce que les parties de boîtier (4, 5) présentent un corps de base qui est utilisé à la fois pour recevoir, au moins dans certaines régions, au moins un appareil de taillage (6, 7) et pour recevoir de la matière à enlever produite lors d'un processus de taille.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les deux unités de taillage (6, 7) peuvent être ou sont reliées l'une à l'autre par l'intermédiaire d'au moins un élément de liaison (19, 20, 34, 34a, 34b).
  4. Dispositif selon la revendication 3, caractérisé en ce que les deux unités de taillage (2, 3) peuvent être ou sont reliées l'une à l'autre de manière amovible par l'intermédiaire de l'au moins un élément de liaison (19, 20).
  5. Dispositif selon la revendication 4, caractérisé en ce qu'au moins deux éléments de liaison (19, 20) correspondant l'un à l'autre sont prévus, au moins un premier élément de liaison (19) étant associé à une première unité de taillage (2) et au moins un second élément de liaison (20) étant associé à une seconde unité de taillage (3).
  6. Dispositif selon la revendication 5, caractérisé en ce qu'un premier élément de liaison (19) est réalisé sous forme d'élément de mise en prise à force (21) ou d'élément de mise en prise par complémentarité de forme ou comprend au moins un tel élément, l'élément de mise en prise à force (21) ou l'élément de mise en prise par complémentarité de forme étant disposé ou formé au niveau d'une section de la première unité de taillage (2) délimitant un espace de réception (12) côté partie de boîtier permettant de recevoir de la matière à enlever produite lorsque les crayons sont taillés au moyen d'un appareil de taillage (6) de la première unité de taillage (2), et
    un second élément de liaison (20) est réalisé sous forme de contre-élément de mise en prise à force (22) correspondant à l'élément de mise en prise à force (21) ou de contre-élément de mise en prise par complémentarité de forme correspondant à l'élément de mise en prise par complémentarité de forme ou comprend au moins un tel élément, le contre-élément de mise en prise à force (22) ou le contre-élément de mise en prise par complémentarité de forme (22) étant disposé ou formé au niveau d'une section de la seconde unité de taillage (3) délimitant un espace de réception (13) côté partie de boîtier permettant de recevoir de la matière à enlever produite lorsque les crayons sont taillés au moyen d'un appareil de taillage (7) de la seconde unité de taillage (3).
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce qu'un premier élément de liaison (19) est réalisé sous forme d'élément magnétique ou comprend au moins un tel élément, l'élément magnétique étant disposé ou formé au niveau d'une section de la première unité de taillage (2) délimitant un espace de réception (12) côté partie de boîtier permettant de recevoir de la matière à enlever produite lorsque les crayons sont taillés au moyen d'un appareil de taillage (6) de la première unité de taillage (2), et
    un second élément de liaison (20) est réalisé sous forme de contre-élément magnétique correspondant à l'élément magnétique ou comprend au moins un tel élément, le contre-élément magnétique étant disposé ou formé au niveau d'une section de la seconde unité de taillage (3) délimitant un espace de réception (13) côté partie de boîtier permettant de recevoir de la matière à enlever produite lorsque les crayons sont taillés au moyen d'un appareil de taillage (7) de la seconde unité de taillage (3).
  8. Dispositif selon l'une des revendications 5 à 7, caractérisé en ce qu'un premier élément de liaison (19) est réalisé sous forme d'élément de mise en prise à force (21) ou d'élément de mise en prise par complémentarité de forme ou comprend au moins un tel élément, l'élément de mise en prise à force (21) ou l'élément de mise en prise par complémentarité de forme étant disposé ou formé au niveau du premier élément de fermeture (14a) associé à la première unité de taillage (2), et
    un second élément de liaison (20) est réalisé sous forme de contre-élément de mise en prise à force (22) correspondant à l'élément de mise en prise à force (21) ou de contre-élément de mise en prise par complémentarité de forme correspondant à l'élément de mise en prise par complémentarité de forme ou comprend au moins un tel élément, le contre-élément de mise en prise à force (22) ou le contre-élément de mise en prise par complémentarité de forme étant disposé ou formé au niveau du second élément de fermeture (14b) associé à la seconde unité de taillage (3).
  9. Dispositif selon l'une des revendications 5 à 8, caractérisé en ce qu'un premier élément de liaison (19) est réalisé sous forme d'élément magnétique ou comprend au moins un tel élément, l'élément magnétique étant disposé ou formé au niveau du premier élément de fermeture (14a) associé à la première unité de taillage (2), et
    un second élément de liaison (20) est réalisé sous forme de contre-élément magnétique correspondant à l'élément magnétique ou comprend au moins un tel élément, le contre-élément magnétique étant disposé ou formé au niveau du second élément de fermeture (14b) associé à la seconde unité de taillage (3).
  10. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que les deux unités de taillage (2, 3) peuvent être ou sont reliées l'une à l'autre de façon permanente par l'intermédiaire de l'au moins un élément de liaison (34, 34a, 34b).
  11. Dispositif selon la revendication 10, caractérisé en ce qu'un élément de liaison (34) est prévu, l'élément de liaison (34) étant relié à la fois à la première unité de taillage (2) et à la seconde unité de taillage (3), ou
    en ce que deux éléments de liaison (34a, 34b) sont prévus, un premier élément de liaison (34a) étant relié à une première unité de taillage (2) et à l'élément de fermeture (14) et un second élément de liaison (34b) étant relié à une seconde unité de taillage (3) et à l'élément de fermeture (14).
  12. Dispositif selon la revendication 10 ou 11, caractérisé en ce que les deux unités de taillage (2, 3) sont reliées l'une à l'autre de manière mobile et l'une par rapport à l'autre par l'intermédiaire de l'au moins un élément de liaison (34, 34a, 34b), l'élément de liaison (34, 34a, 34b) étant formé de préférence en tant qu'élément de charnière, en particulier en tant que charnière à film, ou comprenant au moins un tel élément.
  13. Dispositif selon l'une des revendications 10 à 12, caractérisé par au moins un élément de sécurité de liaison qui est conçu pour sécuriser une position de liaison dans laquelle les unités de taillage (2, 3) sont déplacées l'une contre l'autre avec des surfaces d'appui respectives, en particulier côté face frontale.
  14. Dispositif selon l'une des revendications précédentes, caractérisé par au moins un élément de sécurité de verrouillage qui est conçu pour sécuriser un élément de fermeture (14, 14a, 14b), déplacé dans une position de fermeture respective, dans la position de fermeture respective, et/ou
    au moins un élément de manipulation (28, 29) disposé ou formé au niveau d'au moins un élément de fermeture (14, 14a, 14b) et conçu pour manipuler l'élément de fermeture (14, 14a, 14b) en relation avec un mouvement de l'élément de fermeture (14, 14a, 14b) effectué par l'utilisateur dans une ou hors d'une position de fermeture vers une position d'ouverture, ou inversement.
EP17710531.9A 2016-03-16 2017-03-13 Dispositif de taillage des crayons Active EP3429869B1 (fr)

Applications Claiming Priority (2)

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DE102016104851.8A DE102016104851A1 (de) 2016-03-16 2016-03-16 Vorrichtung zum Spitzen von Stiften
PCT/EP2017/055822 WO2017157843A1 (fr) 2016-03-16 2017-03-13 Dispositif de taillage des crayons

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EP3429869A1 EP3429869A1 (fr) 2019-01-23
EP3429869B1 true EP3429869B1 (fr) 2022-05-04

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EP (1) EP3429869B1 (fr)
CN (1) CN108883656B (fr)
DE (1) DE102016104851A1 (fr)
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DE102020132446A1 (de) * 2020-12-07 2022-06-09 Eisen Gmbh Vorrichtung zum Anspitzen wenigstens eines Stifts

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DE202007010303U1 (de) * 2007-07-20 2007-10-25 Eisen Gmbh Spitzer für Schreib-, Zeichen-, Mal- und Kosmetikstifte
US7886395B2 (en) * 2007-09-06 2011-02-15 Acme United Corporation Pencil sharpener with eraser
DE202012009430U1 (de) * 2012-10-02 2013-07-10 Fritz Lüttgens Lochverschluss
US20150224816A1 (en) * 2014-02-12 2015-08-13 Melissa & Doug, Llc Sharpener for marking instruments

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DE1511450A1 (de) * 1966-10-22 1969-08-28 Klebes & Co Kg A Minenspitzer
US5987759A (en) * 1997-08-14 1999-11-23 Nita; Ilie Pencil sharpener

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EP3429869A1 (fr) 2019-01-23
CN108883656B (zh) 2020-11-06
CN108883656A (zh) 2018-11-23
WO2017157843A1 (fr) 2017-09-21

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