EP0860566B1 - Lock and key combination - Google Patents
Lock and key combination Download PDFInfo
- 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
Links
Images
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)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Drilling Tools (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 akey grip 2 and a circular key pin insert orpin holder 4. Thepin 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 radialpin lock core 5, the holes being arranged in a corresponding circle on anend surface 6 of thetumbler 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, thesurface 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 thekey 1 is given a similar central, non-planar configuration which is of hollow conical form as indicated by thenumeral 8. Thus, thekey 1 can mate precisely with thelock 5.
Claims (2)
- 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.
- A lock and key combination according to claim 1, wherein said actuating pins are held in a pin holder (4) of the key.
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)
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)
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 |
-
1997
- 1997-02-20 GB GB9703501A patent/GB2322403A/en not_active Withdrawn
-
1998
- 1998-02-20 DE DE1998603104 patent/DE69803104T2/en not_active Expired - Lifetime
- 1998-02-20 EP EP19980301316 patent/EP0860566B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2322403A (en) | 1998-08-26 |
DE69803104D1 (en) | 2002-02-14 |
GB9703501D0 (en) | 1997-04-09 |
DE69803104T2 (en) | 2002-08-01 |
EP0860566A1 (en) | 1998-08-26 |
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