EP0860566B1 - Lock and key combination - Google Patents

Lock and key combination Download PDF

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Publication number
EP0860566B1
EP0860566B1 EP19980301316 EP98301316A EP0860566B1 EP 0860566 B1 EP0860566 B1 EP 0860566B1 EP 19980301316 EP19980301316 EP 19980301316 EP 98301316 A EP98301316 A EP 98301316A EP 0860566 B1 EP0860566 B1 EP 0860566B1
Authority
EP
European Patent Office
Prior art keywords
lock
key
protruding
central
tumbler
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
EP19980301316
Other languages
German (de)
French (fr)
Other versions
EP0860566A1 (en
Inventor
Martin Mccaffrey
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.)
Camlock Systems Ltd
Original Assignee
Camlock Systems Ltd
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 Camlock Systems Ltd filed Critical Camlock Systems Ltd
Publication of EP0860566A1 publication Critical patent/EP0860566A1/en
Application granted granted Critical
Publication of EP0860566B1 publication Critical patent/EP0860566B1/en
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
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/02—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by the edge of the key
    • E05B27/08—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by the edge of the key arranged axially
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
    • E05B17/2084—Means to prevent forced opening by attack, tampering or jimmying
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/18—Keys adjustable before use

Definitions

  • This invention relates to a lock and key combination and more particularly to the type of lock known as a radial pin tumbler lock or sometimes known as an axial tumbler pin lock.
  • the radial pin lock itself has axially-extending holes arranged around a circle to receive mating actuating pins of a key.
  • Such a surface of the lock is generally planar, which permits the possible abuse of the lock by drilling the tumbler out.
  • US-A-3 783 661 shows a typical tumbler lock incorporating an anti-pick lock assembly.
  • a lock and key combination characterised in that the key has a surface with protruding actuating pins arranged in a circle which mate with corresponding holes in one surface of the lock and the two surfaces having respective non-planar mating configurations with the lock surface having a protruding, central conical formation and the key surface having a central, recessed conical formation corresponding to the protruding formation of the lock.
  • a key 1 includes a key grip 2 and a circular key pin insert or pin holder 4.
  • the pin holder 4 holds, in use, a plurality of protruding pins (not shown) arranged in a circle around the end surface of the pin holder, the pins being of different lengths to provide some four and a half million different key combinations with the lock by interacting with appropriate length combination pins (not shown) and driving pins (not shown) situated, and free to move axially, within the tumbler core holes 9.
  • the key 1 is designed to be inserted into a plurality of holes 9 in a radial pin lock core 5, the holes being arranged in a corresponding circle on an end surface 6 of the tumbler 5.
  • the surface 6 is given a central, non-planar configuration. This configuration, as indicated, is a protruding conical configuration 7.
  • the end surface of the pin holder 4 of the key 1 is given a similar central, non-planar configuration which is of hollow conical form as indicated by the numeral 8.
  • the key 1 can mate precisely with the lock 5.

Landscapes

  • Lock And Its Accessories (AREA)
  • Drilling Tools (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Description

  • This invention relates to a lock and key combination and more particularly to the type of lock known as a radial pin tumbler lock or sometimes known as an axial tumbler pin lock.
  • With some known types of such locks, the radial pin lock itself has axially-extending holes arranged around a circle to receive mating actuating pins of a key. Such a surface of the lock is generally planar, which permits the possible abuse of the lock by drilling the tumbler out.
  • US-A-3 783 661 shows a typical tumbler lock incorporating an anti-pick lock assembly.
  • According to the present invention, there is provided a lock and key combination, characterised in that the key has a surface with protruding actuating pins arranged in a circle which mate with corresponding holes in one surface of the lock and the two surfaces having respective non-planar mating configurations with the lock surface having a protruding, central conical formation and the key surface having a central, recessed conical formation corresponding to the protruding formation of the lock.
  • For a better understanding of the present invention and to show how the same may be carried into effect, reference will now be made, by way of example, to the accompanying drawings, in which:-
  • Figure 1 is a perspective view of a key for a radial pin tumbler lock,
  • Figure 2 is a plan view of the key shown in Figure 1,
  • Figure 3 is a diagrammatic sectional view of the key, with its pin holder and a radial pin tumbler lock for the key, the parts being shown separated, and
  • Figure 4 is a view of the components shown in Figure 3 with the key inserted in the lock core.
  • Referring to the drawings, a key 1 includes a key grip 2 and a circular key pin insert or pin holder 4. The pin holder 4 holds, in use, a plurality of protruding pins (not shown) arranged in a circle around the end surface of the pin holder, the pins being of different lengths to provide some four and a half million different key combinations with the lock by interacting with appropriate length combination pins (not shown) and driving pins (not shown) situated, and free to move axially, within the tumbler core holes 9.
  • The key 1 is designed to be inserted into a plurality of holes 9 in a radial pin lock core 5, the holes being arranged in a corresponding circle on an end surface 6 of the tumbler 5.
  • In order to prevent misuse of an inappropriate key and to inhibit the user of a drill from getting a purchase on the surface 6, the surface 6 is given a central, non-planar configuration. This configuration, as indicated, is a protruding conical configuration 7.
  • The end surface of the pin holder 4 of the key 1 is given a similar central, non-planar configuration which is of hollow conical form as indicated by the numeral 8. Thus, the key 1 can mate precisely with the lock 5.

Claims (2)

  1. A lock (5) and key (1) combination, characterised in that the key (1) has a surface (8) with protruding actuating pins arranged in a circle which mate with corresponding holes in one surface (6) of the lock and the two surfaces (6, 8) having respective non-planar mating configurations with the lock surface (6) having a protruding, central conical formation and the key surface (8) having a central, recessed conical formation corresponding to the protruding formation of the lock.
  2. A lock and key combination according to claim 1, wherein said actuating pins are held in a pin holder (4) of the key.
EP19980301316 1997-02-20 1998-02-20 Lock and key combination Expired - Lifetime EP0860566B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9703501A GB2322403A (en) 1997-02-20 1997-02-20 Drill resistant lock and key combination
GB9703501 1997-02-20

Publications (2)

Publication Number Publication Date
EP0860566A1 EP0860566A1 (en) 1998-08-26
EP0860566B1 true EP0860566B1 (en) 2002-01-09

Family

ID=10807986

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980301316 Expired - Lifetime EP0860566B1 (en) 1997-02-20 1998-02-20 Lock and key combination

Country Status (3)

Country Link
EP (1) EP0860566B1 (en)
DE (1) DE69803104T2 (en)
GB (1) GB2322403A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2877974B1 (en) * 2004-11-18 2008-07-04 Securite Machimes Systemes Sms MACHINE SECURITY LOCKING DEVICE AND METHOD FOR CODING SUCH A DEVICE

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3339384A (en) * 1965-07-06 1967-09-05 Louis Wolff Tumbler lock
US3756049A (en) * 1971-08-19 1973-09-04 Chicago Lock Co Axial pin tumbler lock assembly and combination reset key therefor
US3783661A (en) * 1972-07-26 1974-01-08 Kidde & Co Walter Anti-pick lock assembly
US4099396A (en) * 1977-08-15 1978-07-11 Chicago Lock Co. Pick-resistant axial split-pin tumbler-type lock mechanism
GB2125093B (en) * 1982-08-04 1985-09-18 Castell Safety Int Security lock
US5020348A (en) * 1990-02-02 1991-06-04 Linden D. Nelson Key ring
US5209088A (en) * 1991-08-08 1993-05-11 Rimma Vaks Changeable code lock

Also Published As

Publication number Publication date
GB2322403A (en) 1998-08-26
GB9703501D0 (en) 1997-04-09
DE69803104T2 (en) 2002-08-01
EP0860566A1 (en) 1998-08-26
DE69803104D1 (en) 2002-02-14

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