EP2304136A1 - Break-in resistant lock - Google Patents
Break-in resistant lockInfo
- Publication number
- EP2304136A1 EP2304136A1 EP08789947A EP08789947A EP2304136A1 EP 2304136 A1 EP2304136 A1 EP 2304136A1 EP 08789947 A EP08789947 A EP 08789947A EP 08789947 A EP08789947 A EP 08789947A EP 2304136 A1 EP2304136 A1 EP 2304136A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plates
- rod
- arm
- break
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B21/00—Locks with lamelliform tumblers which are not set by the insertion of the key and in which the tumblers do not follow the movement of the bolt e.g. Chubb-locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
- E05B35/08—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys
- E05B35/083—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys with changeable combination
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
- E05B15/108—Bolts with multiple head
Definitions
- the present invention relates to a break-in resistant lock, particularly of the type which can be operated by means of double-web keys.
- an object of the present invention is to provide a break-in resistant lock for double-web keys of the type which can be recoded, provided with means adapted to contrast any break-in action which falls within the field of lock picking.
- Another object of the present invention is to provide a break-in resistant lock which has low costs, is relatively simple to provide in practice and is safe in application.
- This aim and these and other objects, which will become better apparent hereinafter, are achieved by the present break-in resistant lock, of the type that comprises a box-like body for accommodating a plurality of contoured plates provided with a respective portion which is suitable for detachable engagement on a corresponding area of a rod which can perform a translational motion and supports, at its free end, at least one bolt which can retract jointly with said rod, said plates being able to perform a vertical translational motion by way of the action of the key and releasing the translational motion, when they are lifted, of said rod and of said bolts for their retraction and protrusion, at least one of said plates being constituted by a respective rear plate and by a respective front tumbler, which are mutually coupled by means of a complementary contoured portion provided on their mutually facing edges, characterized in that said front tumbler comprises a protruding arm
- Figure 1 is a partially sectional perspective view of a lock according to the invention in an inclined configuration
- Figure 2 is an enlarged-scale view of a detail of the perspective view of Figure 1;
- Figure 3 is a partially sectional perspective view of the lock according to the invention in the configuration in which it is inclined at different angle with respect to Figure 1 ;
- Figure 4 is an enlarged-scale view of a detail of the perspective view of Figure 3. Ways of carrying out the invention
- the reference numeral 1 generally designates a break-in resistant lock.
- the lock 1 comprises a box-like body 2 for accommodating a plurality of contoured plates 3 which are provided with a respective portion
- the rod 4 supports (with its end 5) four bolts 6 arranged in a parallel configuration.
- the plates 3 can perform a vertical translational motion by way of the action of the key (not visible in the figure), and are designed to release the translational motion, when they are lifted, of the rod 4 and accordingly of the bolt 6 for their retraction and protrusion.
- At least one of the plates 3 is constituted by a respective rear plate 7
- the plate 7 and the tumbler 8 are mutually coupled by means of a complementarily shaped contoured portion which is provided on their mutually facing edges 9: the contoured portion (which is zigzag-shaped in the accompanying figures) is designed to allow to mutually couple the plate
- the new coding must be performed according to the typical methods of the particular lock 1 being used, by using a suitable key or a specific tool.
- the arm 10 in order to ensure the best possible resistance against break-in actions, has a shape and dimensions which are complementary to the interspace provided between the plate 7 and the housing 11 in order to prevent accessibility to the plate 7 with break-in tools.
- the protruding arm 10 is arranged downward and laterally with respect to the front tumbler 8. It should be noted that according to an embodiment which is particularly interesting in terms of application, at least two of the various tumblers 8 that are present in the respective contoured plates 3 have a protruding arm 10. According to a particular embodiment which is adapted to ensure maximum safety of the lock 1 according to the invention with respect to break-in actions, all the tumblers 8 of the contoured plates 3 have a respective protruding arm 10.
- the portion 12 of the protective housing 11 faces and lies proximate to the end 13 of the arm 10 which is jointly connected to the tumbler 8.
- the end 13 comprises an abutment 15 (constituted by a small substantially flat step) for stable resting with a complementary arrangement of its surface with respect to the surface of the tip 14 of the housing 11.
- the abutment 15, according to an alternative embodiment, can simply face and be proximate to the surface of the tip 14.
- the arm 10 can be rigidly coupled to the tumbler 8 at the end 13 by way of suitable anchoring means.
- the tumbler 8 generally comprises the arm 10: accordingly, they are formed monolithically.
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2008/000307 WO2009136418A1 (en) | 2008-05-06 | 2008-05-06 | Break-in resistant lock |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2304136A1 true EP2304136A1 (en) | 2011-04-06 |
EP2304136B1 EP2304136B1 (en) | 2013-06-26 |
Family
ID=40202147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08789947.2A Not-in-force EP2304136B1 (en) | 2008-05-06 | 2008-05-06 | Break-in resistant lock |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2304136B1 (en) |
CN (1) | CN102016204A (en) |
UA (1) | UA98392C2 (en) |
WO (1) | WO2009136418A1 (en) |
ZA (1) | ZA201008360B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EA027077B1 (en) * | 2010-02-18 | 2017-06-30 | Чиза С.П.А. | Break-in resistant lock |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2080540U (en) * | 1990-06-19 | 1991-07-10 | 张以炜 | Theft-proof lock |
IT1264745B1 (en) * | 1993-12-02 | 1996-10-04 | Italiana Serrature Affini | LOCK WITH PLATES AND CHANGEABLE ENCLOSURE |
IT1279602B1 (en) * | 1995-05-26 | 1997-12-16 | Italiana Serrature Affini | IMPROVEMENTS TO A LOCK WITH PLATE PANELS AND CHANGEABLE ENCRYPTION |
IT1299883B1 (en) * | 1998-03-05 | 2000-04-04 | Italiana Serrature Affini | LOCK WITH PLATE KNOBS AND CHANGEABLE ENCRYPTION. |
DE19826869C1 (en) * | 1998-06-17 | 2000-01-13 | Steinbach & Vollmann | Lock for security door |
CN2549107Y (en) * | 2002-05-21 | 2003-05-07 | 孙秀玲 | Multi-section door lock |
ITTO20020529A1 (en) * | 2002-06-19 | 2003-12-19 | Mottura Serrature Di Sicurezza | SECURITY LOCK FOR HOME DOORS AND SIMILAR |
-
2008
- 2008-05-06 EP EP08789947.2A patent/EP2304136B1/en not_active Not-in-force
- 2008-05-06 WO PCT/IT2008/000307 patent/WO2009136418A1/en active Application Filing
- 2008-05-06 CN CN2008801291312A patent/CN102016204A/en active Pending
- 2008-05-06 UA UAA201014411A patent/UA98392C2/en unknown
-
2010
- 2010-11-22 ZA ZA2010/08360A patent/ZA201008360B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2009136418A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009136418A1 (en) | 2009-11-12 |
EP2304136B1 (en) | 2013-06-26 |
UA98392C2 (en) | 2012-05-10 |
ZA201008360B (en) | 2011-08-31 |
CN102016204A (en) | 2011-04-13 |
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