EP0838566B1 - Schlüssel mit Zustandsanzeige - Google Patents

Schlüssel mit Zustandsanzeige Download PDF

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Publication number
EP0838566B1
EP0838566B1 EP97111136A EP97111136A EP0838566B1 EP 0838566 B1 EP0838566 B1 EP 0838566B1 EP 97111136 A EP97111136 A EP 97111136A EP 97111136 A EP97111136 A EP 97111136A EP 0838566 B1 EP0838566 B1 EP 0838566B1
Authority
EP
European Patent Office
Prior art keywords
key
head
grooves
circumference
key 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.)
Expired - Lifetime
Application number
EP97111136A
Other languages
English (en)
French (fr)
Other versions
EP0838566A2 (de
EP0838566A3 (de
Inventor
Philippe Mahot
Jean-Claude Mimran
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.)
Tasky Anstalt
Original Assignee
Tasky Anstalt
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 Tasky Anstalt filed Critical Tasky Anstalt
Publication of EP0838566A2 publication Critical patent/EP0838566A2/de
Publication of EP0838566A3 publication Critical patent/EP0838566A3/de
Application granted granted Critical
Publication of EP0838566B1 publication Critical patent/EP0838566B1/de
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
    • E05B19/22—Keys with devices for indicating whether the last operation was locking or unlocking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7802—Multi-part structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7876—Bow or head
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8027—Condition indicators

Definitions

  • the present invention relates to a key and more particularly to a key comprising means making it possible to display the last state, open or closed, of the corresponding lock.
  • a key comprising means making it possible to display the last state, open or closed, of the corresponding lock.
  • This device solves the problem addressed but it is expensive and complex to manufacture. On the other hand, it requires a source of energy in the head of the key in
  • the object of the present invention is to remedy the drawbacks mentioned above and offer a simple device to manufacture, not requiring energy source and which allows the holder of a key to determine by direct reading on the latter the last state of the corresponding lock.
  • This device must also be inexpensive and able to adapt to different types existing keys. This goal is achieved by a key which is distinguished by the characteristics listed in the claim 1.
  • the key consists of traditional way in his upper part of the head of key 2 and in its lower part of the stem or imprint 1 intended to be introduced into the cylinder of the corresponding lock.
  • An opening or window 3 is formed in the center of the head 2 of the key.
  • This window 3 transparent lets appear a visual indication on the last state of the lock. So it will appear through of this window 3 a red color for example when the corresponding lock is in the closed position and a green color when the latter is in position opened. It is obvious that the choice of colors is arbitrary and can be adapted according to the wishes of the user.
  • Figure 2 illustrates the body of the key, the part of which upper is intended to receive the head 2 which will be described in detail with reference to Figures 5 to 8.
  • the part lower 1 of the key constitutes the fingerprint which can be machined according to the cylinder of the lock to which she is destined.
  • the upper body of the key consists of a cylindrical portion 4, the central part 5 has a slightly smaller diameter.
  • This central part 5 is intended to accommodate the information medium which is in the form of a rectangular self-adhesive strip with corresponding length at the circumference of the central part 5.
  • This adhesive tape is tinted, over half of its length, of one color and on the other half of its length of the other color chosen to differentiate the two states of the lock.
  • the first color covers half the circumference of part 5 over its entire length, the other half being tinted by the second color chosen. It is also possible to use a tinted ring of two colors each covering half of its circumference over its entire length.
  • This ring intended to be threaded on the central part 5 of the body of the key, is generally made of material plastic or polycarbonate.
  • the upper part of the body has two grooves 6 each extending over half the circumference of the body 4.
  • the upper and lower grooves 6 are offset 180 degrees so that they each extend on an opposite half of the body's circumference 4.
  • the grooves 6 are finished by a bore 7 whose depth is slightly greater than that of the grooves 6.
  • the body 4 is finished in its upper part by a frustoconical portion 8.
  • Figure 3 illustrates seen from the front the body of the key shown in profile in Figure 2 and used to view over which portions of the cylinder circumference extend the grooves 6.
  • the section illustrated in Figure 4 shows the depth of the bores 7.
  • Figure 5 illustrates one half of the component part head 2 of the key.
  • This piece is usually made of plastic by molding or injection.
  • This piece represented in rectangular form can obviously be shaped differently depending on desired aesthetic, we can give it as non-limiting example of an oval or round shape.
  • the part central of this part has a longitudinal recess 9 semi-cylindrical intended to accommodate the party upper 4 of the key body.
  • One of the two halves of the head of the key has a central rectangular recess 10 constituting the viewing window.
  • This window can be provided with a wall (not shown) in transparent material.
  • each of the two halves of the key head will include a viewing window. When the key head has a window of visualization on each of its faces, it is the two windows must be offset along the axis longitudinal.
  • the central part 5 of cylinder 4 carrying the visual information is separated into two areas.
  • the portions of the circumference of the cylinder 5 wearing the same color are offset 180 degrees one in relation to the other. Therefore the same color appears at the same time through each of the two windows and this regardless of the position of the head of the key in relation to its stem.
  • the recesses 11 are opposite the grooves 6 of the body 4. These recesses 11 receive, as is apparent from the figures 6 and 7, a friction device consisting of pins 12 and springs 13. In service position, that is to say when the key head is in line with the stem, the pins 12 are held under the action of springs 13 at the bottom of the bores 7 of the grooves 6. To simplify the manufacture of the head of the key, the recesses 11 can extend over the entire width of the key and not not just half of it as shown in the drawings.
  • Assembling a key according to the present invention is extremely simple. At first, the two halves making up the head of the key are superimposed then joined by gluing or hot welding. The body 4 of the key is then fully inserted into the head of the key so that only the rod emerges 1. Then introduce the pin 12 and the spring 13 in the upper housing 11, then we exert a slight pressure on the spring 13 using a suitable tool, so as to make it completely penetrate the body of the head of the key. A jumper or blocking clip 14 is introduced into the trapezoidal groove formed by the two halves of the key head. By returning the key, the first friction device being held by the clip 14, we proceed in the same way with the device friction 12,13 housed in the lower recess.
  • Clip 14 can then be pushed fully onto the head of the key as illustrated in figure 6. This assembly process has the advantage of being able to be fully automated without the need for a complex assembly line. Another advantage arises from the fact that clip 14 is simply forced into the trapezoidal groove, the shape of the latter preventing the clip from escaping. The clip 14 being removable, it is possible if necessary to change the springs 13 to replace them with springs having other characteristics if you want to change the torque required to apply to disengage the pins 12 of the bores 7.
  • the locking clip 14 is generally made of material plastic, preferably mass-dyed, offering thus a way to distinguish several identical keys in a keychain.
  • the recesses 11 have at their distal end, a hole of smaller diameter equipped with a pitch of screw.
  • a screw 15 keeps the spring 13 and the pin 12 in their housing.
  • the head of the key once assembled can perform 180 degree rotation from the key body one way or another. This rotation is limited by the fact that the grooves 6 only extend over half of the circumference of the body 4. In the service position, the head of the key is kept in line with the stem of the key thanks to the springs 13 which press the pins 12 at the bottom of the bores 7 ending the grooves 6. After inserting the key into the lock cylinder, the user begins to rotate the key one way or another depending on whether he wants to open or close the lock. The head of the key is therefore in initially secured to the body of the key, the lock offering little resistance until the bolt is trained.
  • the pins 12 are released from the bores 7 and the key head makes a U-turn from the body of the key, thereby moving the viewing window 3 opposite the opposite portion of the cylinder 5. It appears accordingly through window 3, the other color chosen to differentiate the open or closed state.
  • the key head is again aligned with the rod and secured of the latter, the pins 12 engaging in new in the bores 7. Continuing the rotation of the head of the key, we activate the lock.
  • the springs 13 are dimensioned in such a way that the torque to apply to the head of the wrench is less than the one necessary to open or close the lock.
  • the user is certain of not being able to open or close it without first rotate the head of the machine half a turn the key relative to the rod.
  • the user can refocus the barrel of the lock to extract the key for example without the head performing rotation, the torque to be applied to re-center the barrel not being sufficient to cause the disengagement of pins 12.
  • the key according to the invention is therefore extremely reliable, a change of display status cannot intervene only during actual handling (opening or closing) of the lock.
  • the device friction consisting of pins 12 and springs 13 allows by cooperating with the grooves 6 and the bores 7 on the one hand to fix the torque necessary for the rotation of the key relative to its stem and, on the other hand of limit the rotation of the key head to half a turn, these two functions being performed by the same device.

Landscapes

  • Supports Or Holders For Household Use (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Soil Working Implements (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Claims (9)

  1. Schlüssel mit einem Kopf (2), der mit zumindest einem Fenster (3) versehen ist, das einen Teil (5) des Schlüsselkörpers hervortreten lässt, wobei der Kopf (2) bezüglich des Schlüsselkörpers schwenkbar angebracht ist und dieser Schlüssel mit einer Vorrichtung (6, 7, 12) versehen ist, die die Drehung des Kopfes bezüglich des Körpers in beiden Richtungen auf eine halbe Umdrehung begrenzt, dadurch gekennzeichnet, dass der Körper (4) des Schlüssels zwei Rillen (6) umfasst, die sich über je eine der entgegengesetzten Hälften des Umfangs des Körpers (4) des Schlüssels erstrecken.
  2. Schlüssel gemäss Anspruch 1, dadurch gekennzeichnet, dass die Rillen (6) in einer Bohrung (7) enden, deren Tiefe wesentlich grösser als die der Rille ist.
  3. Schlüssel gemäss einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Kopf (2) des Schlüssels zwei Höhlungen (11) umfasst, die zur Längsachse des Schlüssels senkrecht sind und in die Rillen (6) des Körpers (4) münden, und dadurch, dass eine Friktionsvorrichtung in diesen Höhlungen untergebracht ist.
  4. Schlüssel gemäss einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Friktionsvorrichtung aus Stiften (12) besteht, die durch elastische Organe in die Bohrungen (7) der Rillen (6) gedrückt werden.
  5. Schlüssel gemäss einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Höhlungen (11) an ihrem distalen Ende eine Justiervorrichtung (15) umfassen, die es gestattet, den Anpressdruck der Stifte (12) an die Rillen (6) abzuwandeln.
  6. Schlüssel gemäss einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass ein Datenträger mit zwei unterschiedlichen Zuständen auf dem mittleren Abschnitt (5) des Körpers (4) des Schlüssels aufgebracht ist.
  7. Schlüssel gemäss Anspruch 6, dadurch gekennzeichnet, dass der Datenträger aus einem in zwei unterschiedlichen Farben gefärbten Selbstklebeband besteht, wobei jede Farbe die Hälfte der Länge des Klebebandes und somit die Hälfte des Umfangs des mittleren Abschnitts (5) des Körpers (4) des Schlüssels einnimmt.
  8. Schlüssel gemäss Anspruch 6, dadurch gekennzeichnet, dass der Datenträger aus einem in zwei unterschiedlichen Farben gefärbten Ring besteht, wobei jede Farbe die Hälfte des Umfangs dieses Ringes einnimmt.
  9. Schlüssel gemäss einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Kraft, die angewendet werden muss, um eine Drehung des Kopfes des Schlüssels bezüglich seines Schafts zu bewirken, kleiner als die Kraft ist, die angewendet werden muss, um den Riegel des entsprechenden Schlosses zu betätigen.
EP97111136A 1996-10-22 1997-07-03 Schlüssel mit Zustandsanzeige Expired - Lifetime EP0838566B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH02582/96A CH689625A5 (fr) 1996-10-22 1996-10-22 Clé munie d'un affichage d'état.
CH2582/96 1996-10-22
CH258296 1996-10-22

Publications (3)

Publication Number Publication Date
EP0838566A2 EP0838566A2 (de) 1998-04-29
EP0838566A3 EP0838566A3 (de) 1999-12-08
EP0838566B1 true EP0838566B1 (de) 2002-04-24

Family

ID=4237038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97111136A Expired - Lifetime EP0838566B1 (de) 1996-10-22 1997-07-03 Schlüssel mit Zustandsanzeige

Country Status (7)

Country Link
US (1) US5870917A (de)
EP (1) EP0838566B1 (de)
JP (1) JPH10121801A (de)
AT (1) ATE216748T1 (de)
CA (1) CA2217041A1 (de)
CH (1) CH689625A5 (de)
DE (1) DE69712151D1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19654443A1 (de) * 1996-12-31 1998-07-02 Vos Verkehrs Optimierungs Syst Verfahren und Vorrichtung zur Schließkontrolle von Schlössern
EP1141505B1 (de) * 1998-12-16 2003-07-30 Huf Hülsbeck & Fürst GmbH & Co. KG Elektronischer schlüssel, insbesondere für kraftfahrzeuge
US6604308B1 (en) 1999-05-14 2003-08-12 Sergio F. Robles Key with identifying system
US6196036B1 (en) * 1999-08-10 2001-03-06 Lucent Technologies Inc. Torque-limited key
GB0008716D0 (en) * 2000-04-10 2000-05-31 Long Robert Improved key and lock mechanisms
FR2815068B1 (fr) * 2000-10-09 2003-05-09 Valeo Electronique CLE DE SERRURE AVEC ECRAN D'AFFICHAGE PROTEGE PAR l'INSERT DE LA CLE
US6523380B1 (en) * 2000-11-15 2003-02-25 Strattec Security Corporation Overmolded key including an ornamental element and method of making same
JP2004521208A (ja) * 2001-04-26 2004-07-15 黄永鎭 螺旋錠アセンブリ
KR20030068023A (ko) * 2002-02-09 2003-08-19 이호철 열쇠의 수동식 잠금 확인 방법
US6886382B1 (en) 2004-04-30 2005-05-03 Harold St. Felix Key with indicator
US20060048553A1 (en) * 2004-09-03 2006-03-09 Keyworks, Inc. Lead-free keys and alloys thereof
JP4510698B2 (ja) * 2005-05-19 2010-07-28 株式会社東海理化電機製作所 メカキー
CN101821790B (zh) 2007-04-12 2014-03-12 写吧-写吧！有限公司 标签系统
US8085125B2 (en) * 2007-09-08 2011-12-27 Nima Bigdely-Shamlo Method, apparatus, and system for an electronic key usage history indicator
WO2011045783A1 (en) * 2009-10-12 2011-04-21 Or Agassi A key with mechanical lock and unlock visual indication
GB2491175A (en) * 2011-05-26 2012-11-28 Jasmine Daher Indicating means for the rotation of a key
IL227163B (en) * 2013-06-24 2018-02-28 Yoav Yakov Krochmal Key for a mortise lock
US9506272B2 (en) * 2013-08-16 2016-11-29 The Hillman Group, Inc. Two-piece key assembly
US9243426B2 (en) * 2013-08-16 2016-01-26 The Hillman Group, Inc. Multi-piece key assembly
KR200475818Y1 (ko) * 2013-10-21 2015-01-05 인제대학교 산학협력단 잠금 여부 표시기능을 구비한 열쇠
WO2016040501A1 (en) * 2014-09-09 2016-03-17 Hartwell Corporation Clevis sensing lock
US11280579B2 (en) * 2018-07-09 2022-03-22 Peace KEYper, Inc. Self-defense key holder
JP3221283U (ja) * 2019-02-26 2019-05-16 オムロン株式会社 鍵付属品
IL292955A (en) * 2022-05-11 2023-12-01 Arcire Alexandru A device and method showing a lock state

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE16690C (de) * O. STRAUSS in Frankfurt a. M Schlüssel, welcher angiebt, ob mit demselben das Schlofs zuletzt geöffnet oder geschlossen ist
GB184763A (en) * 1921-08-16 1923-02-22 Joseph Douglas An improved form of recording key for safe and other locks
US1843335A (en) * 1930-03-25 1932-02-02 Oberfield Louis Lock and key indicator
US2176465A (en) * 1938-11-22 1939-10-17 Jan Leyenaar Automatic lock operation indicator for keys
US2198484A (en) * 1939-04-01 1940-04-23 Jan Leyenaar Indicator key
CH236199A (it) * 1944-11-07 1945-01-31 Domeniconi Guido Chiave con indicatore dello stato della serratura.
CH385660A (it) * 1963-01-29 1964-12-15 Domeniconi Guido Chiave indicativa dello stato della serratura
DE2634969A1 (de) * 1976-08-04 1978-02-09 Hinte Karl Arnold Schluessel
DE3130744C2 (de) * 1980-12-08 1985-04-18 Jost 7801 Vörstetten Hoener Schlüssel
US4440011A (en) * 1981-06-04 1984-04-03 Martin Klein Lock position indicator
DE3143495A1 (de) * 1981-11-03 1983-05-11 Jost 7801 Vörstetten Hoener Schluessel
DE3148542A1 (de) * 1981-12-08 1983-06-16 Jost 7801 Vörstetten Hoener Schluessel
DE3207998A1 (de) * 1982-03-05 1983-09-08 Jost 7801 Vörstetten Hoener Schluessel
DE3242766A1 (de) * 1982-11-19 1984-05-24 Heinz 3200 Hildesheim Stache Anzeigeelement
DE3407033A1 (de) * 1983-05-25 1984-11-29 Jost 7801 Vörstetten Hoener Schluessel
DE3407034A1 (de) * 1984-02-27 1985-09-05 Jost 7801 Vörstetten Hoener Anzeigeelement fuer einen schluessel
DE3503671A1 (de) * 1985-02-04 1986-08-07 Jost 7801 Vörstetten Hoener Schluessel
DE8507137U1 (de) * 1985-03-12 1985-09-05 Kordts, Hugo, 4430 Steinfurt Schlüssel mit Anzeigevorrichtung
US5435160A (en) * 1993-06-28 1995-07-25 Linsalato; Randy Key locking indicator
JPH07217272A (ja) * 1994-02-03 1995-08-15 Kiichi Fukuyama 鍵掛け忘れ防止キー
JPH07269187A (ja) * 1994-03-30 1995-10-17 Inaba Denki Sangyo Co Ltd 施錠装置

Also Published As

Publication number Publication date
EP0838566A2 (de) 1998-04-29
ATE216748T1 (de) 2002-05-15
CA2217041A1 (fr) 1998-04-22
CH689625A5 (fr) 1999-07-15
US5870917A (en) 1999-02-16
JPH10121801A (ja) 1998-05-12
EP0838566A3 (de) 1999-12-08
DE69712151D1 (de) 2002-05-29

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