EP0123192B1 - Schlüssel für Zylinderschlösser - Google Patents

Schlüssel für Zylinderschlösser Download PDF

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Publication number
EP0123192B1
EP0123192B1 EP84103908A EP84103908A EP0123192B1 EP 0123192 B1 EP0123192 B1 EP 0123192B1 EP 84103908 A EP84103908 A EP 84103908A EP 84103908 A EP84103908 A EP 84103908A EP 0123192 B1 EP0123192 B1 EP 0123192B1
Authority
EP
European Patent Office
Prior art keywords
key
section
cross
grooves
fields
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.)
Expired
Application number
EP84103908A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0123192A2 (de
EP0123192A3 (en
Inventor
Lothar Laurenz
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.)
Wilka Schliesstechnik GmbH
Original Assignee
Karrenberg Wilhelm
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6196948&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0123192(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Karrenberg Wilhelm filed Critical Karrenberg Wilhelm
Publication of EP0123192A2 publication Critical patent/EP0123192A2/de
Publication of EP0123192A3 publication Critical patent/EP0123192A3/de
Application granted granted Critical
Publication of EP0123192B1 publication Critical patent/EP0123192B1/de
Expired 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
    • E05B19/0017—Key profiles
    • E05B19/0029—Key profiles characterized by varying cross-sections of different keys within a lock system

Definitions

  • the invention relates to a key for cylinder locks, the profile variation of which is formed by individual ribs and grooves-forming fields, which are formed by circles concentrically to a center line running in a key shaft cross section and from which radially extending planes are formed.
  • Such a key is known from DE-U-1 912 391, the key shaft cross section being circular.
  • a straight line runs from the center of the circle, from which the above-mentioned levels radiate.
  • a circle-ray system is thus created which, owing to the intersection of the circles lying concentrically to the center line with the planes mentioned, forms fields which determine the key shaft profile in such a way that the fields either form a groove or a rib of the key shaft.
  • the fields formed on the basis of this circular ray system allow a wide range of profile variations of the key, which is however not yet sufficient for a high level of security.
  • the invention is therefore based on the object of providing a key of the type mentioned for commercially available cylinder locks, in which an even greater profile variation is possible without dispensing with a circular beam system.
  • the key is designed as a flat key and the key shaft cross-section has a plurality of center lines arranged one above the other in such a way that the groove-forming fields are open towards the broad sides of the key.
  • the subject of the invention increases the profile variations in that there are several straight lines in the center and thus several circular-beam systems.
  • the surprising effect arises that, due to the overlapping areas of the various circular-beam systems, the variety of variations is further increased by the gusset formed by the overlaps of the overlapping fields of different circular-beam systems either a grooving field of one or slotted into a grooving field of the other circular ray system.
  • a targeted addition of the gusset can prevent the grooves formed from having undercuts, which simplifies the manufacturing process of the key.
  • the training as a flat key enables use with commercially available, common cylinder locks, as these are intended for flat keys.
  • the center line lies laterally offset from one another in the transverse direction. This enables a further increase in the possible differences in the key profiles.
  • the key 1 partially shown in FIG. 1, in which the circular radiation system is to be explained in principle, has a key shaft 2 starting from the key cord.
  • the key tip 3 is designed roof-shaped in order to insert the key shaft into a key channel of a locking cylinder and to enable the arrangement of the pin tumblers.
  • the key tip 3 are arranged on one narrow edge 4 closing notches 5 of different depths.
  • the narrow edge 6 of the key shank 2 opposite the narrow edge 4 is rounded, as can be seen from the cross-sectional profile, and in fact it is adapted to the curvature of a cylinder core of normal dimensions.
  • the key 1 shown in FIGS. 1 and 2 is a master key, that is to say a superordinate key.
  • a straight line 7 runs in the middle of the key shaft cross section according to FIG. 2.
  • Circular lines are arranged concentrically to this at a uniform distance.
  • rays arranged in the same angular distribution pass through the center, as a result of which the entire key cross section is divided into fields.
  • the key shaft cross section profile illustrated in FIG. 2 is generated. This results in grooves 10, 11, 12, 13, 14, 15 and 16 arranged on the key broad sides 8 and 9 and corresponding ribs adjacent to the grooves.
  • grooves 11, 15 there are those in which the side walls 11 'and 15' are aligned with the central straight line 7 running in the key shank cross section. This means that these side walls extend on a corresponding beam section, while the convexly curved base surfaces 11 ", 15" are concentric to the straight line 7, that is to say on an arc section of a corresponding concentric circle are located.
  • the side walls 10 ', 12', 13 ', 14', 16 ' run concentrically to the central straight line 7. They are located on corresponding arc sections of the circles lying concentrically to the straight line 7.
  • the bottom surfaces 10 ", 12", 13 ", 14" and 16 ", on the other hand, are centrally aligned with this straight line 7. They thus represent a ray section.
  • the key cross-sectional profile can be varied in many ways in this way, specifically by omitting corresponding fields formed by the rays and arcs.
  • the subordinate key 17 illustrated in FIG. 3 is designed so that the grooves 10, 14, 15 correspond to those of the key 1.
  • the grooves 18, 19, 20, 21 are designed to be smaller in cross-section in that fields 18 ', 19', 20 ', 21' indicated by dash-dotted lines remain on the key profile, as a result of which the grooves 18, 19, 20, 21 differ from the corresponding grooves 11, 12, 13, 16 of the parent key 1 differentiate. Therefore, a higher-level key 1 can be inserted into the lower-level locking cylinder receiving the lower-level key 17.
  • the number of beams illustrated in FIG. 2 can be increased or decreased. There is also the possibility of varying the distance of the circles lying concentrically to the straight line.
  • the key 22 according to the invention illustrated in FIG. 4 has two central straight lines 23 and 24 arranged one above the other in the key shaft cross section. Circles are provided concentrically to these. In addition, rays arranged in the same angular distribution run through the straight lines 23, 24, as a result of which the key shaft cross section is divided into individual fields. By omitting corresponding fields, grooves 25, 26, 27, 28, 29 and 30 are formed on the key broad sides. The side walls of these grooves either run centrally on the straight lines 23, 24 or concentrically to these, while the bottom surfaces of the grooves are either directed centrally to the straight lines or are concentric to these.
  • the undercut occurring on the groove 29 can then be omitted if the gusset 29 ′ formed by the two outer, tangent circles and adjacent to the groove 29 becomes part of the groove 29.
  • An undercut on the groove 26 can also be eliminated by cutting two circles to form a gusset 26 'which is then gripped by the groove 26.
  • the key 31 according to the invention illustrated in FIG. 5 has three central straight lines 32, 33 and 34 arranged one above the other in the key shank cross section, the straight lines 32, 34 being arranged one above the other at the level of one key wide side 36.
  • the straight line 33 extends centrally between the two other straight lines 32, 34, but on the other broad side 36 of the key.
  • Circular arcs are located concentrically to the straight lines 32, 33, 34.
  • straight lines 32, 33, 34 emit rays which subdivide the entire key cross section into individual fields.
  • grooves 37, 38, 39, 40 and 41 are produced by omitting corresponding fields. Their bottom surfaces and side walls lie on the beam sections or circular arc sections.
  • the undercut present in the groove 39 can be avoided if a larger circle is cut around the straight line 34 and intersects the bottom of the groove 39. This creates a gusset 39 'around which the groove 39 becomes smaller.

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Continuous Casting (AREA)
  • Image Generation (AREA)
EP84103908A 1983-04-21 1984-04-07 Schlüssel für Zylinderschlösser Expired EP0123192B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3314417 1983-04-21
DE19833314417 DE3314417A1 (de) 1983-04-21 1983-04-21 Schluessel fuer zylinderschloesser

Publications (3)

Publication Number Publication Date
EP0123192A2 EP0123192A2 (de) 1984-10-31
EP0123192A3 EP0123192A3 (en) 1985-03-27
EP0123192B1 true EP0123192B1 (de) 1987-07-01

Family

ID=6196948

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84103908A Expired EP0123192B1 (de) 1983-04-21 1984-04-07 Schlüssel für Zylinderschlösser

Country Status (2)

Country Link
EP (1) EP0123192B1 (US06824948-20041130-C00056.png)
DE (2) DE3314417A1 (US06824948-20041130-C00056.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE505885C2 (sv) * 1993-12-30 1997-10-20 Bo Widen Cylinderlås-nyckelkombination, nyckel, nyckelämne och lås ingående i kombinationen
SE505364C2 (sv) * 1993-12-30 1997-08-11 Bo Widen Cylinderlås-nyckelkombination, nyckel, nyckelämne och lås
DE10306371B4 (de) * 2003-02-15 2004-12-23 Wilka Schließtechnik GmbH Profilvariation an Flachschlüsseln bzw. den Schlüsselkanälen zugehöriger Schließzylinder
CZ302949B6 (cs) 2010-11-30 2012-01-25 Tokoz A.S. Kódovací ústrojí pro válcový zámek s otácivým klícem a polotovar tohoto otácivého klíce
CH716812B1 (de) * 2019-11-18 2023-09-29 Sea Schliess Systeme Ag Schlüsselrohling, Schlüssel, Zylinderschloss und Verfahren zur Herstellung eines Schlüsselrohlings und eines Schlüssels.
CZ309265B6 (cs) * 2021-04-16 2022-06-29 TOKOZ a.s Uzamykací systém válcového zámku a klíče, válcový zámek a klíč

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR828397A (fr) * 1937-10-28 1938-05-17 Perfectionnements aux clefs et serrures
DE1030727B (de) * 1955-09-23 1958-05-22 Zeiss Ikon Ag Flachschluessel fuer Stiftzylinderschloesser
DE1912391U (de) * 1962-06-27 1965-03-18 Aug Boerkey Nachf K G Zylinderschloss.
DE7017411U (de) * 1970-05-09 1970-08-27 August Bremicker Soehne Kg Flachschluessel fuer zylinderschloesser.
AT340802B (de) * 1976-01-28 1978-01-10 Evva Werke Schlussel-schlosskombination

Also Published As

Publication number Publication date
DE3314417A1 (de) 1984-10-31
DE3464512D1 (en) 1987-08-06
EP0123192A2 (de) 1984-10-31
DE3314417C2 (US06824948-20041130-C00056.png) 1987-05-14
EP0123192A3 (en) 1985-03-27

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