EP2803791A2 - Clé destinée à actionner une serrure cylindrique et combinaison de la clé avec la serrure cylindrique - Google Patents

Clé destinée à actionner une serrure cylindrique et combinaison de la clé avec la serrure cylindrique Download PDF

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Publication number
EP2803791A2
EP2803791A2 EP14450022.0A EP14450022A EP2803791A2 EP 2803791 A2 EP2803791 A2 EP 2803791A2 EP 14450022 A EP14450022 A EP 14450022A EP 2803791 A2 EP2803791 A2 EP 2803791A2
Authority
EP
European Patent Office
Prior art keywords
key
hard plastic
lock cylinder
fiber
polyetherimide
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.)
Withdrawn
Application number
EP14450022.0A
Other languages
German (de)
English (en)
Other versions
EP2803791A3 (fr
Inventor
Kristijan Davidovac
Reinhard Amon
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.)
EVVA Sicherheitstechnologie GmbH
Original Assignee
EVVA Sicherheitstechnologie 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 EVVA Sicherheitstechnologie GmbH filed Critical EVVA Sicherheitstechnologie GmbH
Publication of EP2803791A2 publication Critical patent/EP2803791A2/fr
Publication of EP2803791A3 publication Critical patent/EP2803791A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/26—Use of special materials for keys
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/16—Use of special materials for parts of locks
    • E05B15/1635—Use of special materials for parts of locks of plastics materials
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
    • E05B47/0045—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets keys with permanent magnets

Definitions

  • the invention relates to a key for actuating a lock cylinder comprising a Reide and a shaft with a mechanically and / or magnetically scannable coding.
  • the invention further relates to a lock cylinder comprising a housing and a rotatable in the housing cylinder core, which is blocked in the blocking position by locking elements.
  • the invention relates to the combination of a key of the above type with a lock cylinder of the aforementioned type, wherein the key is designed for actuating the lock cylinder and the key and the lock cylinder matched coding elements and cooperating with these sensing elements.
  • Keys of the type mentioned above are usually made of metal.
  • the production of a metal key is very complex due to the many process steps that are required to provide the key with the respective individual mechanical and / or magnetic coding.
  • a mechanically scannable coding having key is usually from a blank, which already has a cross-sectional profile, which is adapted to the shape of the associated keyway of the lock cylinder.
  • These elevations and depressions are formed on the blank by means of a milling tool.
  • the reide of the key must still be edited to contain labels, such as coding numbers or brand names by embossing od. Like. To bring.
  • a post-processing is required, for example, to avoid sharp edges.
  • Metal keys have a high weight and can trigger allergies especially in the case of a nickel containing material. Furthermore, the profiling of the keys is subject to certain limitations due to the manufacturing process, so that the number of coding possibilities is low. Furthermore, there is the disadvantage that a colored design of metal keys is limited. The color of the metal can hardly be influenced. A color design is possible only by applying a paint, which is naturally subject to high wear. Furthermore, it is difficult for metal keys to integrate electronic or magnetic coding elements. Electronic coding elements such as microchips can therefore only be integrated into the reide if it is formed from a non-metallic material.
  • the metal shaft and the Reide can thus not be made of one and the same material, which further increases the cost of manufacture.
  • magnetic coding elements although these can be embedded in the metallic key bit according to the prior art, there is the disadvantage that the metal shaft can adversely affect the magnetic field lines.
  • Plastic keys have not prevailed despite various proposals for stiffening the key body in practice. Plastic keys are therefore carried out only as a toy key or possibly as a reserve key, which are carried in a check card-like holder and are used only in an emergency to lock a lock.
  • the present invention therefore aims to overcome the drawbacks mentioned above in connection with metal keys, without having to accept relevant losses in terms of wear resistance and torsional and bending stiffness of the key.
  • the key should also have an abrasion resistance that allows for a number of usage cycles, so that the key can be used daily for many years.
  • the key shank consists at least partially of a hard plastic from the group of polyimides.
  • Polyimides are high-performance plastics whose most important structural feature is the imide group.
  • the polyimides include, for example, polyetherimides and polyamide-imides, which have been shown in experiments to be particularly polyetherimides for use in key production are particularly preferred.
  • Polyimides are generally characterized by high mechanical strength, high chemical resistance and high temperature resistance.
  • Polyetherimide meets the typical requirements for keys such as high strength, low abrasion and high temperature resistance.
  • polyetherimides are also to be regarded as preferred in particular because, in contrast to other polyimides, they can be processed by injection molding. This reduces the manufacturing costs and the corresponding costs.
  • the production is particularly simplified, although the Reide at least partially. a hard plastic from the group of polyimides.
  • the Reide and the key shank made of the same hard plastic, in particular polyetherimide, wherein the key shank and the Reide are preferably formed integrally with each other.
  • the entire key can thus preferably be produced in a single work step, in which connection preferably an injection molding process is used. If, as corresponds to a preferred development, the key shank and / or the Reide completely made of a hard plastic, the corresponding part or the entire key can be made in one piece and from a single plastic component by injection molding. If different parts of the key are to consist of different plastics, it is possible to proceed in such a way that a two- or multi-component injection molding process is used.
  • the use of two or more types of plastic may be advantageous, for example, when the Reide is to be coated with a softer material than the hard plastic, in particular polyetherimide, in order to enhance the feel improve.
  • the use of a two- or multi-component injection molding process may also be necessary if, as is preferably provided, the hard plastic is mixed with a filler in at least one subregion of the key shaft.
  • the filler may be preferred. be ferromagnetic, so that in said at least a portion of a magnetic coding can be done.
  • the magnetic coding can be individualized in particular by the fact that the magnetic properties of said subregion depend on the volume fraction or the absolute amount of the ferromagnetic filler in the hard plastic.
  • the key body is made of the hard plastic, in particular polyetherimide and provided on the surface with a thin metal layer (for example 10-100 microns), in particular vapor-deposited.
  • the key according to the invention need not necessarily consist entirely of the hard plastic. Rather, only a blank of the shaft, the Reide or the whole key can be made of hard plastic.
  • the key shape and, in particular, the shape of the mechanical key profiling of the key shank is not subject to any manufacturing constraints.
  • the mechanical Codieruhgsvielfalt be significantly increased, whereby the Nachsperrschreib is increased.
  • the key has at least one magnetic or electronic coding component.
  • the named component can in embedded in the hard plastic of the key shaft or the reide or completely enclosed by the hard plastic.
  • the magnetic or electronic coding component is a microchip.
  • the microchip may be formed in a particularly preferred manner as an RFID transponder.
  • an embodiment in which the microchip operates passively, ie without its own power source, is particularly advantageous.
  • a passive RFID transponder is preferred in this context.
  • the component serving for the magnetic or electronic coding comprises a permanently magnetisable material, in particular samarium cobalt.
  • a permanently magnetisable material in particular samarium cobalt.
  • Such a component made of permanently magnetisable material is used, for example, in so-called magnetic locks, in which the locking elements of the lock cylinder comprise magnet rotors whose rotational position can be changed by magnetic forces resulting from said permanently magnetizable material, such as samarium cobalt inserts.
  • the integration of the component serving for magnetic or electronic coding into the key takes place, with particular preference in terms of production technology, by virtue of the fact that said component is inserted into the injection mold before injection molding.
  • the said component is encapsulated during the injection molding or embedded in the key body produced by the injection molding.
  • the injection mold may preferably be further developed such that during injection molding in the same step usually formed in the field of Reide markings, such as a brand name or a coding identification.
  • the material properties can preferably be further improved by the hard plastic, in particular polyetherimide, fiber-reinforced, with reinforcement preferably for coal and / or glass fibers are used.
  • the fiber reinforcement serves in particular to increase the torsional and bending stiffness of the key body.
  • the fiber-reinforced hard plastic, in particular the fiber-reinforced polyether imide has a fiber content of 5-40, preferably 20-35 vol .-% based on the hard plastic.
  • a preferred embodiment provides that the fibers are in the same orientation state.
  • the hard plastic in particular polyetherimide
  • various additives can be added to influence the material properties.
  • any color pigments can be used to influence the color design of the key.
  • a luminescent, in particular phosphorescent additive, such as Dualglo® can be introduced into the hard plastic. This leads to the key after activation by UV irradiation (eg daylight), luminescent.
  • the proportion of the additive can be up to 30% depending on the desired luminous intensity.
  • a lock cylinder comprising a housing and a cylinder core rotatable in the housing, wherein the cylinder core is blocked in the blocking position by locking elements, wherein the cylinder core according to the invention at least partially made of a hard plastic from the group of polyimides, in particular polyetherimide , consists.
  • the cylinder core can have the same hard plastic, in particular polyetherimide, as the associated key.
  • the core pins displaceably guided in the cylinder core of a pin tumbler can also consist of a hard plastic from the group of polyimides, in particular polyetherimide.
  • the cylinder core and / or the core pins are made entirely of the hard plastic.
  • the hard plastic in particular the polyetherimide, is fiber-reinforced, with preference for reinforcing coal and / or Glass fibers are used.

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)
  • Lock And Its Accessories (AREA)
  • Supports Or Holders For Household Use (AREA)
EP14450022.0A 2013-05-14 2014-05-08 Clé destinée à actionner une serrure cylindrique et combinaison de la clé avec la serrure cylindrique Withdrawn EP2803791A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA399/2013A AT514536A1 (de) 2013-05-14 2013-05-14 Schlüssel zum Betätigen eines Schließzylinders sowie Kombination des Schlüssels mit dem Schließzylinder

Publications (2)

Publication Number Publication Date
EP2803791A2 true EP2803791A2 (fr) 2014-11-19
EP2803791A3 EP2803791A3 (fr) 2016-07-06

Family

ID=50841725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14450022.0A Withdrawn EP2803791A3 (fr) 2013-05-14 2014-05-08 Clé destinée à actionner une serrure cylindrique et combinaison de la clé avec la serrure cylindrique

Country Status (2)

Country Link
EP (1) EP2803791A3 (fr)
AT (1) AT514536A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107989475A (zh) * 2017-12-06 2018-05-04 北京金汇中电力科技有限公司 多功能钥匙
WO2024016036A3 (fr) * 2022-07-20 2024-05-16 Evva Sicherheitstechnologie Gmbh Clé pour serrure à barillet et serrure à barillet

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0305588A2 (fr) 1987-09-03 1989-03-08 Axxess Entry Technologies Tige de la clé en plastique renforcée

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3518354A1 (de) * 1985-05-22 1986-11-27 Heinrich Winkelhard GmbH & Co KG Plastik- u. Metallwarenfabrik, 4708 Kamen Verfahren zur herstellung von schluesseln oder von schluesselrohlingen fuer schloesser
EP0401541A1 (fr) * 1989-05-15 1990-12-12 Masaji Terada Clé ayant une partie rugueuse faite en résine synthétique
AT400061B (de) * 1993-09-17 1995-09-25 Evva Werke Elektrisches oder elektronisches schloss
JP2010236194A (ja) * 2009-03-30 2010-10-21 Denso Corp 電子キーシステムの携帯機、エマージェンシーキー

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0305588A2 (fr) 1987-09-03 1989-03-08 Axxess Entry Technologies Tige de la clé en plastique renforcée

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107989475A (zh) * 2017-12-06 2018-05-04 北京金汇中电力科技有限公司 多功能钥匙
WO2024016036A3 (fr) * 2022-07-20 2024-05-16 Evva Sicherheitstechnologie Gmbh Clé pour serrure à barillet et serrure à barillet

Also Published As

Publication number Publication date
AT514536A1 (de) 2015-01-15
EP2803791A3 (fr) 2016-07-06

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