EP0275437B1 - Clé, notamment pour serrure cylindrique - Google Patents

Clé, notamment pour serrure cylindrique Download PDF

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Publication number
EP0275437B1
EP0275437B1 EP87117906A EP87117906A EP0275437B1 EP 0275437 B1 EP0275437 B1 EP 0275437B1 EP 87117906 A EP87117906 A EP 87117906A EP 87117906 A EP87117906 A EP 87117906A EP 0275437 B1 EP0275437 B1 EP 0275437B1
Authority
EP
European Patent Office
Prior art keywords
key
handle
shank
concave
edge
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 - Lifetime
Application number
EP87117906A
Other languages
German (de)
English (en)
Other versions
EP0275437A2 (fr
EP0275437A3 (en
Inventor
Klaus Dr. Ing. Abend
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.)
Aug Winkhaus GmbH and Co KG
Original Assignee
Aug Winkhaus 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.)
Filing date
Publication date
Application filed by Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Priority to AT87117906T priority Critical patent/ATE74991T1/de
Publication of EP0275437A2 publication Critical patent/EP0275437A2/fr
Publication of EP0275437A3 publication Critical patent/EP0275437A3/de
Application granted granted Critical
Publication of EP0275437B1 publication Critical patent/EP0275437B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Definitions

  • the invention relates to a key, in particular for lock cylinders, comprising a key handle and a key shaft connected in one piece, at least the key handle being made from a flat metal material cut, the key handle being asymmetrical with respect to a central plane perpendicular to its main plane and parallel to the longitudinal axis of the key shaft is formed and the boundary edge of the key handle, which is located on the side of the key shaft chest and runs in the direction of the key shaft axis, is concave over its entire length.
  • Such a key is known for example from FR-PS 24 04 089.
  • This known key has an asymmetrical key handle with respect to the longitudinal axis of the key shaft, the outline of which is roughly that of a trapezoid, the base of which is parallel to the longitudinal axis of the key shaft, but whose side opposite the base line is not parallel to this side, but rather is concave approximates curved shape.
  • the shortest distance is between the base line of the trapezoid and the side opposite the base line where the key shaft attaches to the key handle.
  • the key handle is provided with asymmetrical plastic pads both to identify the key and to improve the possibility of grasping the key handle with the locking hand.
  • This key shape is intended to ensure that the key handle is ergonomically favorable in the hand.
  • a tactile distinction between different keys should be possible due to the plastic pads.
  • a disadvantage of this known embodiment is that the volume and in particular the ability to arrange the keys within a keychain is adversely changed by the plastic pads.
  • a with several keys with a plastic padded keychain quickly takes up a volume that is troublesome in your pocket or in other usual key receiving rooms.
  • a key with a rectangular key handle is also known in the prior art from US Pat. No. 3,881,333.
  • this known key has no concave edge on its handle and therefore does not have a defined position of the minimum of the concave edge.
  • a key with a rectangular key handle is known from US Pat. No. 4,099,398; this key as a whole is bent lengthwise so that the bending axis runs parallel to the axis of the key shaft.
  • the edges of the key handle are straight in plan view, and the entire key is curved when viewed from the rear edge of the key handle.
  • FR-PS 23 52 934 a flat key is also known, the handle is not rectangular and the lower handle limit has a concave part, but the center is not naturally in the middle of a lower side of the rectangle. Rather, this key shows a significant offset between the center of gravity of the handle and the minimum of the concave part.
  • the invention is therefore based on the object of specifying a key in which the transmission of power from the closing hand to the key handle is possible optimally and without risk of injury, but which is nevertheless not disturbing in the pocket or in the other key storage spaces.
  • the key handle has a rectangular outline shape and that the lowest region of the concave boundary edge lies in the longitudinal central region thereof.
  • the design of the key handle in a square outline serves the same purpose, since in this case the requirements of good torque transmission and the small size and thus the good storage can be fulfilled particularly well. It is expedient for the key handle to project beyond the key shaft in the dimension transverse to the longitudinal axis of the key shaft, preferably on both sides, that is to say both beyond the back of the shaft and beyond the shaft face.
  • the concave configuration of the edge of the key handle lying on the side of the key shaft breast serving for better power transmission and protection against injuries can also be used for better palpation of the correct key, e.g. B. be used in the dark; For this purpose, tactile markings, e.g. B. corrugations or cams.
  • the entire key is expediently made of a flat metal sheet, preferably of titanium sheet or a sheet with a high height Titanium content.
  • a flat metal sheet preferably of titanium sheet or a sheet with a high height Titanium content.
  • Such a sheet is lighter due to its lower specific weight than steel, but is still very strong.
  • a hole through which a key ring can be pulled can be arranged in the key handle near the rear handle edge. This hole is conveniently arranged near the rear edge of the handle so that it lies on the extended axis of the key shaft, since in this case the key hangs straight down.
  • the figure shows a lock cylinder 10 of a conventional type and a key 12 with a key shaft 14 and a key handle 16.
  • Key shaft 14 and key handle 16 are stamped in one piece from titanium sheet.
  • the key shaft points a back 14a and a key chest 14b and guide grooves 14c.
  • the guide grooves 14c are dimensioned for engagement with guide ribs in the key channel 10a of the lock cylinder.
  • the key chest 14b is serrated, the serrations being used to control the usual pin tumblers. Elevations and / or preferably depressions 14d can also be provided in the side surfaces of the key shaft for controlling additional locking pins of a known type.
  • the key handle 16 has an outline which is rectangular in shape with edges 16a, 16b, 16c and 16d.
  • the transitions of the edges are rounded, as can be seen at 16e.
  • the boundary edge 16c is concave.
  • the user grasps the key handle with its side surfaces between the thumb and index finger of one hand, so that the middle finger comes to rest on the concave boundary edge 16d.
  • the curvature of the concave boundary edge 16c therefore adapts well to the circumferential curvature of the middle finger.
  • the middle finger can rest against the concave boundary edge 16c over a relatively large length, so that a low surface pressure is established. Therefore, it is also possible to feel tactile markings on the concave boundary edge, e.g. B. to attach cams 16f.
  • the boundary edge 16c is the edge which is aligned with the key face 14b of the key shaft 14.
  • a hole 16g is provided in the key handle 16, which is used to line up the key on a keychain. It can be seen that the key handle protrudes upwards and downwards about the same distance over the key back 14a or the key chest 14b. This is a particularly favorable form, in particular in connection with a position of the hole 16g approximately in alignment with the axis of the key shaft. The keys then hang out on a keychain in an optimal way.
  • the production of the key from titanium sheet achieves a considerable reduction in weight, which is particularly noticeable when several keys are combined to form a set of keys.
  • the hardness of the titanium sheet is so great that a small wall thickness of the key is sufficient without the risk of premature wear.
  • the wall thickness of the key is, however, limited with regard to the guide grooves 14c. There is also a limit to the reduction in wall thickness with regard to the risk of pain or injury from the edges.
  • a key ring through hole is provided approximately in the area of the central parallels of the rectangular, in particular square, contour parallel to the shaft axis near an edge remote from the key shaft.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (11)

  1. Clé, notamment pour serrure cylindrique, comportant une poignée de clé (16) et une tige de clé reliée d'un seul tenant à celle-ci, la poignée de clé (16) au moins étant réalisée dans une découpe de métal à plat, la poignée de clé (16) étant asymétrique par rapport à un plan médian perpendiculaire à son plan principal et parallèle à l'axe longitudinal de la tige de clé (14) et le bord de délimitation (16c) de la poignée de clé (16), situé sur le côté avant de la tige de clé (14b) et s'étendant en direction de l'axe de la tige de clé, étant concave sur toute sa longueur, caractérisée en ce que la poignée de clé (16) a un contour de forme rectangulaire et en ce que la zone la plus profonde du bord de délimitation (16c) concave se situe dans la partie centrale de sa longueur.
  2. Clé selon la revendication 1, caractérisée en ce que la poignée de clé (10) a un contour de forme carrée.
  3. Clé selon la revendication 1 ou 2, caractérisée en ce que la poignée de clé (16), mesurée dans son plan principal perpendiculairement à l'axe de la tige de clé, présente une hauteur supérieure à celle de la tige de clé (14).
  4. Clé selon la revendication 3, caractérisée en ce que la poignée de clé (16), dans son plan principal incluant aussi la tige de clé (14), dépasse le dos de la tige dé clé (14a) ainsi que l'avant de la tige de clé (14b).
  5. Clé selon l'une des revendications 1 à 4, caractérisée en ce que le bord de délimitation (16c) concave présente des marquages palpables.
  6. Clé selon l'une des revendications 1 à 5, caractérisée en ce que les marquages palpables du bord concave (16c) sont constitués d'ondulations.
  7. Clé selon l'une des revendications 1 à 6, caractérisée en ce que les marquages palpables du bord concave (16c) sont constitués d'ergots (16f).
  8. Clé selon une ou plusieurs des revendications 1 à 7, caractérisée en ce que toute la clé est formée dans une découpe de tôle métallique à plat.
  9. Clé selon une ou plusieurs des revendications 1 à 8, caractérisée en ce que toute la clé est en tôle de titane ou en tôle d'alliage contenant une proportion élevée de titane.
  10. Clé selon une ou plusieurs des revendications 1 à 9, caractérisée en ce qu'à proximité du bord (16b) éloigné de la tige de clé de la poignée de clé, il est prévu un trou de passage d'anneau de clé (16g).
  11. Clé selon la revendication 10, caractérisée en ce que le trou de passage d'anneau de clé (16g) se situe à peu près sur le prolongement de l'axe de la tige de clé (14).
EP87117906A 1987-01-21 1987-12-03 Clé, notamment pour serrure cylindrique Expired - Lifetime EP0275437B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87117906T ATE74991T1 (de) 1987-01-21 1987-12-03 Schluessel, insbesondere fuer schliesszylinder.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8700975U 1987-01-21
DE8700975U DE8700975U1 (de) 1987-01-21 1987-01-21 Schlüssel, insbesondere für Schließzylinder

Publications (3)

Publication Number Publication Date
EP0275437A2 EP0275437A2 (fr) 1988-07-27
EP0275437A3 EP0275437A3 (en) 1988-10-19
EP0275437B1 true EP0275437B1 (fr) 1992-04-15

Family

ID=6803840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87117906A Expired - Lifetime EP0275437B1 (fr) 1987-01-21 1987-12-03 Clé, notamment pour serrure cylindrique

Country Status (4)

Country Link
EP (1) EP0275437B1 (fr)
AT (1) ATE74991T1 (fr)
DE (2) DE8700975U1 (fr)
ES (1) ES2031111T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9923698D0 (en) * 1999-10-08 1999-12-08 Yale Security Prod Uk Ltd Security device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099398A (en) * 1974-04-18 1978-07-11 Societe Neiman Sa Lock key, method for its manufacture and lock employing this key
US3881333A (en) * 1974-08-28 1975-05-06 William Christmas Lock for window sashes
DE2623539C3 (de) * 1976-05-26 1980-06-26 Neiman Gmbh & Co Kg, 5657 Haan Schließzylinder mit Flachschlüssel
FR2404089A1 (fr) * 1977-09-23 1979-04-20 Bricard Cle de surete perfectionnee
FR2427447A1 (fr) * 1978-05-31 1979-12-28 Neiman Sa Perfectionnements aux serrures pour vehicules automobiles
DE3229224A1 (de) * 1982-08-05 1984-02-09 Hirakazu Chuo Fukuoka Kichise Schluessel

Also Published As

Publication number Publication date
ATE74991T1 (de) 1992-05-15
DE3778338D1 (de) 1992-05-21
EP0275437A2 (fr) 1988-07-27
EP0275437A3 (en) 1988-10-19
DE8700975U1 (de) 1987-03-05
ES2031111T3 (es) 1992-12-01

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