EP0261298A2 - Profilé pour clé plate pour serrure cylindrique - Google Patents

Profilé pour clé plate pour serrure cylindrique Download PDF

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Publication number
EP0261298A2
EP0261298A2 EP87101157A EP87101157A EP0261298A2 EP 0261298 A2 EP0261298 A2 EP 0261298A2 EP 87101157 A EP87101157 A EP 87101157A EP 87101157 A EP87101157 A EP 87101157A EP 0261298 A2 EP0261298 A2 EP 0261298A2
Authority
EP
European Patent Office
Prior art keywords
key
groove
profile
grooves
arrangement according
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.)
Granted
Application number
EP87101157A
Other languages
German (de)
English (en)
Other versions
EP0261298A3 (en
EP0261298B2 (fr
EP0261298B1 (fr
Inventor
Kurt Prunbauer
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 Werk Spezialerzeugung von Zylinder und Sicherheitsschloessern GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Application filed by EVVA Werk Spezialerzeugung von Zylinder und Sicherheitsschloessern GmbH and Co KG filed Critical EVVA Werk Spezialerzeugung von Zylinder und Sicherheitsschloessern GmbH and Co KG
Publication of EP0261298A2 publication Critical patent/EP0261298A2/fr
Publication of EP0261298A3 publication Critical patent/EP0261298A3/de
Application granted granted Critical
Publication of EP0261298B1 publication Critical patent/EP0261298B1/fr
Publication of EP0261298B2 publication Critical patent/EP0261298B2/fr
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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
    • E05B19/0017—Key profiles

Definitions

  • the invention relates to a profile arrangement for flat keys for cylinder locks, wherein lines are provided in a profile cross-sectional grid, in which longitudinal grooves are optionally incorporated into the key material. Furthermore, the invention relates to the corresponding profile arrangement corresponding flat keys and cylinder locks.
  • FIG. 1 shows the side view of a flat key with grooves on a flat side of the key.
  • FIGS. 2 to 12 show schematic sectional representations according to section line II.
  • FIGS. 2 and 3 schematically show two known profile arrangements or profile systems.
  • FIG. 4 shows the profile cross-sectional grid according to the invention and
  • FIG. 5 shows the three basic groove types A, B and C.
  • FIGS. 6, 7 show two different profile designs according to an embodiment of the invention.
  • 8 and 9 schematically show the profile system for the possible groove arrangements in one line of the profile cross-sectional grid.
  • 10, 11 and 12 show exemplary embodiments of flat keys according to the invention, the profile formation of the associated key channel also being shown in FIG. 12.
  • Fig. 1 shows a conventional flat key in side view.
  • Longitudinal grooves extend in a known manner from the key chalk 1 to the key tip 2.
  • the grooves are provided on both flat sides and are distributed over the height 3 of the key profile in accordance with the desired variation.
  • the incisions 4 interact in a known manner with tumbler pins, not shown here, of the associated cylinder lock.
  • the number of incisions 4 can be chosen as desired, but usually ranges between three and seven incisions.
  • profile systems have been proposed, such as shown in Figs. 2 and 3.
  • 2 provides profile elements 5 to 11 on the left key side and profile elements 12 to 18 on the right key side, which can be milled out of the key material depending on the desired variation.
  • a key produced in this way, in which the profile elements 6, 9, 11, 14 and 16 have been milled out, is drawn out with a strong line in the profile cross-sectional grid.
  • the object of the present invention is to eliminate the disadvantages mentioned above and to provide a profile arrangement which permits the production of individual keys, that is to say unique, keys, that is to say keys which have no hierarchical relationship to one another. In the case of such unique items, it is not possible to convert one profile into another profile of the same profile system by post-processing. This object is achieved by the profile arrangement according to the invention.
  • the invention is based on a grid of the key cross section, which is divided into several lines 25 to 29, FIG. 4. Each of these lines can be provided with one of the three profile types, which are designated A, B and C in FIG. 5.
  • the longitudinal center plane of the key is designated 30 in each case.
  • the profile type A has a relatively deep groove 31, which starts from the left flat side of the key and protrudes beyond the longitudinal center plane 30.
  • the right flat side remains full.
  • Profile type B also has a relatively deep groove 32, which extends from the right side of the key over the longitudinal center plane 30. The left flat side remains full.
  • Profile type C has relatively flat grooves 33 on both flat sides.
  • All three profile types A, B and C have grooves with dimensions such that the remaining key material is strong enough to ensure a stable key.
  • the exact cross-sectional shape of the individual profile types is in itself irrelevant for the basic system. The number of profile variations can be increased by choosing different profile shapes.
  • the profile types A, B and C can be arranged as desired over the key height within the grid Fig. 4. So it is also possible to use only the profile type A or B or C any combination.
  • Fig. 6 shows the profile sequence B-B-C-A-C
  • Fig. 7 shows a key with the profile sequence A-B-A-C-A. If you look at these key profiles, you can clearly see that it is not possible to rework any of the profile elements by removing key material in such a way that a profile element of another profile type is created, which results in a usable key. Such non-executable options are shown in broken lines in FIG. 6. With all these possibilities, the key breaks apart along the grooves and is therefore unusable. In the first column of FIG. 6, the additional milling of a groove A would overlap with the existing groove B and the key would be split lengthways.
  • Profile elements of a preferred embodiment are drawn in a raster line.
  • each of these types of grooves can be formed on the key only in a separate line of the cross-sectional profile of the profile.
  • the grooves to be incorporated are arranged asymmetrically to the line symmetry plane 34 within each line.
  • the embodiment in FIG. 9 is a mirror image of the embodiment in FIG. 8. The two symmetry variations can be present on a key, as can be seen in FIGS. 11 and 12.
  • the line consists of an upper and lower boundary line 35, 36.
  • the left and right boundary lines correspond to the key flat sides 37, 38.
  • Two diagonals are possible within the rectangle formed in this way, the embodiment of Fig. 8 the diagonal 39 from the left top to bottom right used as a construction line, while in the embodiment according to FIG. 9 the diagonal 40 runs from top right to bottom left.
  • the upper groove flank 41 extends in the line diagonal 39 for the groove type A. If a type B groove is to be provided, which extends from the right flat key side 38, it is the lower groove flank 42 that is in or approximately in the line diagonal 39 lies.
  • Both grooves A and B have a depth that extends over the longitudinal center plane 30 of the key.
  • a so-called. overlapped profile can be achieved, which increases the locking safety in a known manner.
  • the dashed lines 43, 44 are the boundary lines of the grooves according to type C in FIG. 8. As can be seen, the shape of the flat grooves of type C corresponds exactly to the shape of the grooves of type A and B, only the depth of the groove is shortened.
  • FIG. 9 is self-evident on the basis of the explanation for FIG. 8.
  • the groove types are designated A1, B1 and C1.
  • the individual profile lines are separated from one another by line spaces 45 in order to provide enough key material between the grooves as profile elements for the ribs which remain in this way.
  • the key flat sides 37, 38 run obliquely in the direction of the longitudinal central plane of the key, whereby a so-called. conical profile is provided.
  • the height of the individual lines can vary along a key height and decrease, for example, towards the key face.
  • key profiles are drawn in cross section throughout. It goes without saying that such profiles are provided both on the finished key and on the key blank, the finished key being produced from the key blank by milling grooves for the pin tumblers.
  • the design of the key channel profiles of associated locks must also be carried out analogously, as is obvious to a person skilled in the art.
  • the profile arrangement according to the present invention thus relates in the same way to flat keys, key blanks and lock profiles.
  • Fig. 12 the key 46 is inserted into the associated key channel 47 of an associated lock, but not shown.
  • a groove in the key corresponds to a correspondingly designed rib of the key channel.
  • a major advantage of the construction according to the invention is that a large number of individual keys (unique pieces) can be systematically produced.
  • these are approximately 750 key profiles, which differ from one another to a considerable extent, the smallest difference between two key profiles having a sufficiently large cross section, so that there is a high level of security against locking.
  • Previously known key profiles had to make do with about 60 unique profiles.
  • the 750 key profiles mentioned can still be increased if more lines are used.
  • the key cross-sectional shape can meet the requirements be modified accordingly.
  • the back of the key 48 (FIGS. 1 and 10 to 12) is adapted to the radius of the cylinder core, that is to say it is curved in cross section.
  • the incisions 4 for the pin tumblers are the incisions 4 for the pin tumblers, so that the ribs and grooves of the key profile are omitted at the locations of these incisions depending on the incision depth.

Landscapes

  • Lock And Its Accessories (AREA)
  • Adornments (AREA)
EP19870101157 1986-09-26 1987-01-28 Profilé pour clé plate pour serrure cylindrique Expired - Lifetime EP0261298B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT258686A AT395198B (de) 1986-09-26 1986-09-26 Flachschluessel fuer ein zylinderschloss und zylinderschloss fuer diesen flachschluessel
AT2586/86 1986-09-26

Publications (4)

Publication Number Publication Date
EP0261298A2 true EP0261298A2 (fr) 1988-03-30
EP0261298A3 EP0261298A3 (en) 1988-08-17
EP0261298B1 EP0261298B1 (fr) 1992-01-15
EP0261298B2 EP0261298B2 (fr) 1997-08-27

Family

ID=3536955

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870101157 Expired - Lifetime EP0261298B2 (fr) 1986-09-26 1987-01-28 Profilé pour clé plate pour serrure cylindrique

Country Status (3)

Country Link
EP (1) EP0261298B2 (fr)
AT (1) AT395198B (fr)
DE (1) DE3776046D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4125017A1 (de) * 1991-07-27 1993-01-28 Dom Sicherheitstechnik Aus schluessel und schliesszylinder bestehende schliesseinrichtung
EP0969169A1 (fr) * 1998-07-02 2000-01-05 August Börkey Nachf. GmbH. Clef plate pour serrure cylindrique
WO2002012659A1 (fr) 2000-08-08 2002-02-14 IKON GmbH Präzisionstechnik Systeme serrure-cle
AT521007A3 (de) * 2018-03-13 2024-03-15 Karl Heinz Strahl Stiftzylinder-schlüssel-system und schlüssel dafür

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016119036A1 (de) * 2016-10-07 2018-04-12 Assa Abloy Sicherheitstechnik Gmbh Schlüsselprofil für Flachschlüssel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT371879B (de) 1976-01-28 1983-08-10 Evva Werke Schluessel-schlosskombination

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1553482C3 (de) * 1966-04-21 1975-07-24 C. Ed. Schulte Gmbh, 5620 Velbert Seitenprofilvariation fur Flachschlüssel von Drehzylinderschlossern in Hauptschlusselanlagen
AT358951B (de) * 1977-06-23 1980-10-10 Grundmann Gmbh Geb Verschlussanlage auf zylinderschlossbasis
DE2551523C3 (de) * 1975-11-17 1982-03-18 Scovill Sicherheitseinrichtungen Gmbh, 5620 Velbert Gruppen-Flachschlüssel für Drehzylinderschlösser von Schließanlagen
AT347285B (de) * 1977-05-03 1978-12-27 Evva Werke Zylinderschloss
DE2862126D1 (en) * 1978-08-22 1983-01-20 Berchtold Ag Cylinder lock and reversible flat key
AT359389B (de) * 1978-12-15 1980-11-10 Grundmann Gmbh Geb Flachschluessel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT371879B (de) 1976-01-28 1983-08-10 Evva Werke Schluessel-schlosskombination

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4125017A1 (de) * 1991-07-27 1993-01-28 Dom Sicherheitstechnik Aus schluessel und schliesszylinder bestehende schliesseinrichtung
EP0969169A1 (fr) * 1998-07-02 2000-01-05 August Börkey Nachf. GmbH. Clef plate pour serrure cylindrique
WO2002012659A1 (fr) 2000-08-08 2002-02-14 IKON GmbH Präzisionstechnik Systeme serrure-cle
DE10042070A1 (de) * 2000-08-08 2002-02-28 Ikon Ag Schloss-Schlüssel-System
DE10042070C2 (de) * 2000-08-08 2002-09-26 Ikon Ag Schloss-Schlüssel-System
US6851292B2 (en) 2000-08-08 2005-02-08 IKON Aktiengesellschaft Präzisionstechnik Lock-key system
AT521007A3 (de) * 2018-03-13 2024-03-15 Karl Heinz Strahl Stiftzylinder-schlüssel-system und schlüssel dafür

Also Published As

Publication number Publication date
DE3776046D1 (de) 1992-02-27
EP0261298A3 (en) 1988-08-17
EP0261298B2 (fr) 1997-08-27
AT395198B (de) 1992-10-12
ATA258686A (de) 1992-02-15
EP0261298B1 (fr) 1992-01-15

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