EP3872283B1 - Security system and lock - Google Patents
Security system and lock Download PDFInfo
- Publication number
- EP3872283B1 EP3872283B1 EP21157695.4A EP21157695A EP3872283B1 EP 3872283 B1 EP3872283 B1 EP 3872283B1 EP 21157695 A EP21157695 A EP 21157695A EP 3872283 B1 EP3872283 B1 EP 3872283B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pin
- insertion channel
- cylinder
- counter
- lock
- 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.)
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- 238000003780 insertion Methods 0.000 claims description 66
- 230000037431 insertion Effects 0.000 claims description 66
- 230000007935 neutral effect Effects 0.000 claims description 13
- 238000004904 shortening Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
- E05B35/003—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits
Definitions
- the present invention relates to a security system and a lock.
- the lock referred to herein is of the cylinder type comprising a stator (defining the body of the lock) and a rotor (defining the cylinder of the lock).
- the cylinder is rotatably mounted in the lock body and has an inlet for inserting the actuating key.
- the lock further comprises locking pins mounted in the cylinder and configured to engage with a corresponding shaped profile of the key.
- the lock can be unlocked, that is, the cylinder can rotate inside the lock body to allow rotation of the bolt which opens the door on which the lock is mounted.
- the Applicant realized that nowadays it is increasingly easier for ill-intentioned people to copy the shaped profile of an actuating key in order to access the corresponding lock.
- FR2492872A1 discloses a locking system and a lock in accordance with the preamble of claims 1 and 6.
- WO2019/211740A1 , WO2012/125512A1 and EP3483365A1 disclose examples of know lock assemblies and keys for operating the same.
- the technical task underlying the present invention is to propose a security system and a lock which overcome one or more of the above-mentioned drawbacks of the prior art.
- the present invention provides a security system comprising a lock and a key for actuating the lock.
- the lock comprises a lock body and a cylinder.
- the lock body has an inlet inside which the cylinder is rotatably mounted.
- the cylinder has:
- the lock body has a slot leading into the inlet, inside which a counter-pin is slidably mounted, said counter-pin being designed to cooperate with the second pin in a neutral position of the cylinder in which the second cavity of the cylinder is aligned with the slot of the lock body.
- the counter-pin is configured to be arranged at least partially inside the second cavity when the cylinder is in the neutral position, so as to prevent the rotation of the cylinder.
- the actuating key comprises an elongated shaped body insertable into said insertion channel.
- a spherical element which has a diameter "D” and is movable along a movement direction "X” that is transversal to a main extension direction "Y" of the elongated shaped body, is mounted on said elongated shaped body.
- the first and the second pin are therefore configured to be arranged at a first distance "h" when the elongated shaped body is removed from the insertion channel and the cylinder is in the neutral position, whereas the spherical element is configured to engage with the first and the second pin in order to arrange them at a second distance "H” that is greater than the first distance "h” and equal to the diameter "D" when the elongated shaped body is inserted into the insertion channel, such that the counter-pin is completely moved into the slot and the cylinder is free to rotate inside the lock body.
- the spherical element is advantageously configured to be interposed between the two pins and to be pressed by the first pin so that the spherical element pushes against the second pin, thereby causing the cooperating counter-pin to be displaced so that it is completely arranged inside the slot, leaving the cylinder free to rotate.
- Copying a key provided with a dynamic element such as the movable spherical element is therefore impossible to do by simply taking a picture, which effectively makes the lock impenetrable to unauthorized actuating keys of the type object of the present invention.
- the presence of a spherical element on the key and of two movable pins in the lock allows the level of security and reliability of the security systems known heretofore to be increased.
- a lock comprising a cylinder and a lock body in accordance with the above, and an actuating key comprising an elongated shaped body on which the previously described spherical element is mounted, also form part of the present invention.
- the numeral 100 indicates, as a whole, a security system, from now on simply indicated as the system 100.
- the system 100 comprises a lock 1 and an actuating key 10 for actuating the lock 1.
- the lock 1 comprises a lock body 2 and a cylinder 3, wherein the lock body 2 has an inlet 2a inside which the cylinder 3 is rotatably mounted.
- the cylinder 3 has an insertion channel 3a for inserting the actuating key 10, preferably along an insertion direction A parallel to an axis of rotation R of the cylinder 3.
- the insertion channel 3a extends axially through the cylinder 3 and is shaped so as to receive a key 10 authorized to open the lock 1.
- the cylinder 3 has at least a first cavity 4 leading into the insertion channel 3a, inside which a first movable pin 5, which is movable towards and away from the insertion channel 3a, is slidably mounted.
- the cylinder 3 has a second cavity 6 leading, on a first side, into the insertion channel 3a, and on a second side opposite to the first one, towards the lock body 2, inside which a second movable pin 7, which is movable towards and away from the insertion channel 3a, is slidably mounted.
- first and the second pin 5, 7 face each other and lead onto opposite sides of the insertion channel 3a.
- the first pin 5 is movable along a first movement axis 5a and the second pin 7 is movable along a second movement axis 7a, wherein said movement axes 5a, 7a are parallel to each other, and even more preferably coincident with each other.
- the lock body 2 has a slot 8 leading into the inlet 2a, inside which a counter-pin 9 is slidably mounted, said counter-pin 9 being designed to cooperate with the second pin 7 in a neutral position of the cylinder 3 in which the second cavity 6 of the cylinder 3 is aligned with the slot 8 of the lock body 2.
- the second pin 7 is configured to be kept in contact with the counter-pin 9.
- the counter-pin 9 is preferably movable along a third movement axis 9a.
- the counter-pin 9 is configured to be arranged at least partially inside the second cavity 8 when the cylinder 3 is in the neutral position, so as to prevent the rotation of the cylinder 3.
- the second pin 7 has a first portion 7' aligned with the first pin 5, along the first movement axis 5a coincident with the second movement axis 7a, and an eccentric second portion 7" aligned with the counter-pin 9, along the third movement axis 9a.
- the actuating key 10 comprises an elongated shaped body 11 insertable into the insertion channel 3a of the cylinder 3.
- the key 10 comprises a grip portion 12 connected to the elongated shaped body 11, which is configured to allow the key 10 to be gripped.
- a spherical element 13 which has a diameter D and is movable along a movement direction X that is transversal, preferably perpendicular, to a main extension direction Y of the elongated shaped body 11, is mounted on said elongated shaped body 11.
- the spherical element 13 is inserted inside a housing 14 of the elongated shaped body 11 leading onto opposite faces 11a, 11b of the elongated shaped body 11 at respective apertures 15a, 15b shaped so as to prevent the spherical element 12 from completely exiting the housing 14.
- the spherical element 13 is constrained inside the housing 14.
- the apertures 15a, 15b have a circular section and have a diameter d smaller than the diameter D of the spherical element.
- the housing 14 is preferably obtained at a tip portion of the elongated shaped body 11.
- the spherical element is free to slide inside the housing 14 along the movement direction X, between a first operating position (shown in dashed lines in Figure 2A ), in which the spherical element obstructs the first aperture 15a by partially protruding from the first face 11a, and a second position (shown in Figure 2A ), in which the spherical element 13 obstructs the second aperture 15b by partially protruding from the second face 11b.
- a portion of the spherical element 13 defining a spherical cap protrudes out of the housing 14.
- the first and the second pin 5, 7 are configured to be arranged at a first distance "h" when the elongated shaped body 11 is removed from the insertion channel 3a and the cylinder is in the neutral position, whereas, when the elongated shaped body 11 is inserted into the insertion channel 3a, the spherical element 13 is configured to engage with the first and the second pin 5, 7, interposing itself between them and arranging them at a second distance "H".
- the second distance H is greater than the first distance h and is equal to the diameter D so that the counter-pin 9 is completely moved into the slot 8 and the cylinder 3 is free to rotate inside the lock body 2.
- the spherical element 13 pushes the second pin 7 into the second cavity 6 so that, as it moves along the second movement axis 7a, said second pin 7 pushes the counter-pin 9 completely into the slot 8, releasing the counter-pin 9 from the cylinder 3.
- the first portion 7' of the second pin 7 is configured to engage with the spherical element 13 and extends along a respective extension axis that is coincident with the first movement axis 5a of the first pin 5, whereas the second portion 7" of the second pin 7 is configured to engage with the counter-pin 9 and extends along a respective extension axis, which is eccentric with respect to the first movement axis 5a of the first pin 5 and coincident with the third movement axis 9a.
- the eccentricity of the second pin 7 allows the counter-pin 9 to be made in a slot 8 which is axially central with respect to the lock body 2, thereby simplifying the structure of the piece and the manufacturing process.
- the elongated shaped body 11 when it is inserted into the insertion channel 3a, would push the second pin 7 backward into the second cavity 6, thus completely moving the counter-pin 9 into the slot 8 but also moving the second pin 7 at least partially into the slot 8, thereby preventing the cylinder 3 from rotating freely inside the lock body 2.
- the second pin 7 would not be pushed onto the counter-pin 9 and therefore the counter-pin 9 would not be pushed completely backward into the slot 8, thereby preventing the cylinder 3 from rotating.
- the elongated shaped body 11 allows the authorized key 10 to axially move the pins 5, 7 and the counter-pin 9 into the respective positions shown in Figure 4 , in which the counter-pin 9 does not protrude beyond the outer surface of the cylinder 3, so that it does not prevent the cylinder 3 from rotating relative to the lock body 2.
- the cylinder 3 comprises a first elastic element 4a, preferably a spring, mounted inside the first cavity 4 and associated with the first pin 5.
- the first elastic element 4a is configured to:
- the lock body 2 further comprises a second elastic element 8a, preferably a spring, mounted inside the slot 8 and associated with the counter-pin 9.
- a second elastic element 8a preferably a spring
- the second elastic element 8a is configured to:
- the key 10 and the lock 1 according to the present invention make it possible to provide an efficient and secure security system 100 which prevents the unlocking of the lock 1 with unauthorized cloned keys 10.
- the presence of the spherical element 13 which is free to move inside the housing 14 of the key allows the system of the pins 5, 7 and the counter-pin 9 to be moved in a unique and non-replicable manner in order to provide a secure access.
- the present invention achieves the intended objects, overcoming the drawbacks of the prior art and providing a security system 100, a lock 1 and a key 10, which are innovative and allow the security conditions against unauthorized access to be improved.
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- Burglar Alarm Systems (AREA)
- Alarm Systems (AREA)
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- Crystals, And After-Treatments Of Crystals (AREA)
Description
- The present invention relates to a security system and a lock.
- In particular, the lock referred to herein is of the cylinder type comprising a stator (defining the body of the lock) and a rotor (defining the cylinder of the lock).
- The cylinder is rotatably mounted in the lock body and has an inlet for inserting the actuating key.
- Typically, the lock further comprises locking pins mounted in the cylinder and configured to engage with a corresponding shaped profile of the key.
- If the key inserted into the inlet is authorized, i.e., it has a shaped profile such as to allow correct engagement with the locking pins, the lock can be unlocked, that is, the cylinder can rotate inside the lock body to allow rotation of the bolt which opens the door on which the lock is mounted. However, the Applicant realized that nowadays it is increasingly easier for ill-intentioned people to copy the shaped profile of an actuating key in order to access the corresponding lock.
- In particular, the Applicant found that the use of 3D printing techniques can allow a cloned key to be created in a short time, simply starting from a photograph or a three-dimensional acquisition of an unattended key.
FR2492872A1 claims WO2019/211740A1 ,WO2012/125512A1 andEP3483365A1 disclose examples of know lock assemblies and keys for operating the same. - In this context, the technical task underlying the present invention is to propose a security system and a lock which overcome one or more of the above-mentioned drawbacks of the prior art.
- In particular, it is an object of the present invention to provide a security system which allows the level of efficiency and security of the lock to be increased by preventing the unlocking of the lock by means of cloned keys.
- The specified technical task and objects are substantially achieved by means of a security system comprising the technical features set forth in one or more of the accompanying claims.
- In particular, the present invention provides a security system comprising a lock and a key for actuating the lock.
- The lock comprises a lock body and a cylinder.
- The lock body has an inlet inside which the cylinder is rotatably mounted. Advantageously, the cylinder has:
- a channel for inserting the actuating key,
- a first cavity leading into the insertion channel, inside which a first movable pin, which is movable towards and away from the insertion channel, is slidably mounted,
- a second cavity leading, on a first side, into the insertion channel, and on a second side opposite to the first one, towards the lock body, inside which a second movable pin, which is movable towards and away from the insertion channel, is slidably mounted.
- Furthermore, the lock body has a slot leading into the inlet, inside which a counter-pin is slidably mounted, said counter-pin being designed to cooperate with the second pin in a neutral position of the cylinder in which the second cavity of the cylinder is aligned with the slot of the lock body.
- Advantageously, the counter-pin is configured to be arranged at least partially inside the second cavity when the cylinder is in the neutral position, so as to prevent the rotation of the cylinder.
- The actuating key comprises an elongated shaped body insertable into said insertion channel.
- Advantageously, a spherical element, which has a diameter "D" and is movable along a movement direction "X" that is transversal to a main extension direction "Y" of the elongated shaped body, is mounted on said elongated shaped body.
- The first and the second pin are therefore configured to be arranged at a first distance "h" when the elongated shaped body is removed from the insertion channel and the cylinder is in the neutral position, whereas the spherical element is configured to engage with the first and the second pin in order to arrange them at a second distance "H" that is greater than the first distance "h" and equal to the diameter "D" when the elongated shaped body is inserted into the insertion channel, such that the counter-pin is completely moved into the slot and the cylinder is free to rotate inside the lock body.
- The presence of the two movable pins therefore allows the rotation of the cylinder, hence the release of the counter-pin from the second cavity, solely and exclusively by inserting an actuating key provided with the corresponding movable spherical element.
- The spherical element is advantageously configured to be interposed between the two pins and to be pressed by the first pin so that the spherical element pushes against the second pin, thereby causing the cooperating counter-pin to be displaced so that it is completely arranged inside the slot, leaving the cylinder free to rotate.
- Copying a key provided with a dynamic element such as the movable spherical element is therefore impossible to do by simply taking a picture, which effectively makes the lock impenetrable to unauthorized actuating keys of the type object of the present invention.
- Advantageously, the presence of a spherical element on the key and of two movable pins in the lock allows the level of security and reliability of the security systems known heretofore to be increased.
- A lock comprising a cylinder and a lock body in accordance with the above, and an actuating key comprising an elongated shaped body on which the previously described spherical element is mounted, also form part of the present invention.
- The dependent claims, hereby incorporated by reference, correspond to different embodiments of the invention.
- Further features and advantages of the present invention will become more apparent from the indicative, and therefore non-limiting description of a preferred, but not exclusive, embodiment of a security system, a lock and a related actuating key, as illustrated in the accompanying drawings wherein:
-
Figure 1 is a schematic perspective view of a security system in accordance with the present invention, -
Figure 2 is a schematic perspective view of an actuating key according to the present invention, -
Figure 2A is a cross-section in the area of the spherical element of the key inFigure 2 , -
Figure 3 is a cross-section of a lock according to the present invention, and -
Figure 4 is a cross-section of the lock inFigure 3 when the key inFigure 2 is inserted in the cylinder of the lock. - With reference to the accompanying drawings, the
numeral 100 indicates, as a whole, a security system, from now on simply indicated as thesystem 100. - The
system 100 comprises alock 1 and an actuatingkey 10 for actuating thelock 1. - According to the present invention, the
lock 1 comprises alock body 2 and acylinder 3, wherein thelock body 2 has aninlet 2a inside which thecylinder 3 is rotatably mounted. - The
cylinder 3 has aninsertion channel 3a for inserting the actuatingkey 10, preferably along an insertion direction A parallel to an axis of rotation R of thecylinder 3. - In other words, the
insertion channel 3a extends axially through thecylinder 3 and is shaped so as to receive a key 10 authorized to open thelock 1. - The
cylinder 3 has at least afirst cavity 4 leading into theinsertion channel 3a, inside which a firstmovable pin 5, which is movable towards and away from theinsertion channel 3a, is slidably mounted. - The
cylinder 3 has asecond cavity 6 leading, on a first side, into theinsertion channel 3a, and on a second side opposite to the first one, towards thelock body 2, inside which a secondmovable pin 7, which is movable towards and away from theinsertion channel 3a, is slidably mounted. - In particular, the first and the
second pin insertion channel 3a. - With particular reference to the embodiment shown in
Figures 3 and 4 , preferably, thefirst pin 5 is movable along afirst movement axis 5a and thesecond pin 7 is movable along asecond movement axis 7a, wherein saidmovement axes - The
lock body 2 has aslot 8 leading into theinlet 2a, inside which acounter-pin 9 is slidably mounted, saidcounter-pin 9 being designed to cooperate with thesecond pin 7 in a neutral position of thecylinder 3 in which thesecond cavity 6 of thecylinder 3 is aligned with theslot 8 of thelock body 2. - In particular, the
second pin 7 is configured to be kept in contact with thecounter-pin 9. - With particular reference to the embodiment shown in
Figures 3 and 4 , thecounter-pin 9 is preferably movable along athird movement axis 9a. Advantageously, thecounter-pin 9 is configured to be arranged at least partially inside thesecond cavity 8 when thecylinder 3 is in the neutral position, so as to prevent the rotation of thecylinder 3. - In other words, when the
cylinder 3 is in the neutral position and thecounter-pin 8 is arranged astride thesecond cavity 8 and theslot 9, any rotation of thecylinder 3 inside thelock body 2 is prevented. - Preferably, the
second pin 7 has a first portion 7' aligned with thefirst pin 5, along thefirst movement axis 5a coincident with thesecond movement axis 7a, and an eccentricsecond portion 7" aligned with thecounter-pin 9, along thethird movement axis 9a. - According to the present invention, the actuating
key 10 comprises an elongatedshaped body 11 insertable into theinsertion channel 3a of thecylinder 3. - Preferably, moreover, the
key 10 comprises agrip portion 12 connected to the elongatedshaped body 11, which is configured to allow thekey 10 to be gripped. - Advantageously, a
spherical element 13, which has a diameter D and is movable along a movement direction X that is transversal, preferably perpendicular, to a main extension direction Y of the elongatedshaped body 11, is mounted on said elongatedshaped body 11. - Preferably, the
spherical element 13 is inserted inside ahousing 14 of the elongatedshaped body 11 leading ontoopposite faces shaped body 11 atrespective apertures spherical element 12 from completely exiting thehousing 14. - In other words, the
spherical element 13 is constrained inside thehousing 14. - With reference to the embodiment shown in the accompanying drawings, preferably, the
apertures - The
housing 14 is preferably obtained at a tip portion of the elongatedshaped body 11. - Advantageously, the spherical element is free to slide inside the
housing 14 along the movement direction X, between a first operating position (shown in dashed lines inFigure 2A ), in which the spherical element obstructs thefirst aperture 15a by partially protruding from thefirst face 11a, and a second position (shown inFigure 2A ), in which thespherical element 13 obstructs thesecond aperture 15b by partially protruding from thesecond face 11b. - In other words, in the first and the second operating position, a portion of the
spherical element 13 defining a spherical cap protrudes out of thehousing 14. - Advantageously, the first and the
second pin shaped body 11 is removed from theinsertion channel 3a and the cylinder is in the neutral position, whereas, when the elongatedshaped body 11 is inserted into theinsertion channel 3a, thespherical element 13 is configured to engage with the first and thesecond pin - In particular, the second distance H is greater than the first distance h and is equal to the diameter D so that the
counter-pin 9 is completely moved into theslot 8 and thecylinder 3 is free to rotate inside thelock body 2. - In other words, the
spherical element 13 pushes thesecond pin 7 into thesecond cavity 6 so that, as it moves along thesecond movement axis 7a, saidsecond pin 7 pushes thecounter-pin 9 completely into theslot 8, releasing thecounter-pin 9 from thecylinder 3. - Preferably, the first portion 7' of the
second pin 7 is configured to engage with thespherical element 13 and extends along a respective extension axis that is coincident with thefirst movement axis 5a of thefirst pin 5, whereas thesecond portion 7" of thesecond pin 7 is configured to engage with thecounter-pin 9 and extends along a respective extension axis, which is eccentric with respect to thefirst movement axis 5a of thefirst pin 5 and coincident with thethird movement axis 9a. - Advantageously, the eccentricity of the
second pin 7 allows thecounter-pin 9 to be made in aslot 8 which is axially central with respect to thelock body 2, thereby simplifying the structure of the piece and the manufacturing process. - It should be noted that a key without the
spherical element 13 would therefore not allow thecylinder 3 to be released from thelock body 2. - In fact, if the
spherical element 13 is not present, the elongated shapedbody 11, when it is inserted into theinsertion channel 3a, would push thesecond pin 7 backward into thesecond cavity 6, thus completely moving thecounter-pin 9 into theslot 8 but also moving thesecond pin 7 at least partially into theslot 8, thereby preventing thecylinder 3 from rotating freely inside thelock body 2. - Similarly, if the key 10 is provided with a
housing 14 but not with the spherical element 13 (which cannot be replicated by 3D printing), thesecond pin 7 would not be pushed onto thecounter-pin 9 and therefore thecounter-pin 9 would not be pushed completely backward into theslot 8, thereby preventing thecylinder 3 from rotating. - Advantageously, therefore, the elongated shaped
body 11 allows the authorized key 10 to axially move thepins Figure 4 , in which thecounter-pin 9 does not protrude beyond the outer surface of thecylinder 3, so that it does not prevent thecylinder 3 from rotating relative to thelock body 2. - The
cylinder 3 comprises a firstelastic element 4a, preferably a spring, mounted inside thefirst cavity 4 and associated with thefirst pin 5. Advantageously, the firstelastic element 4a is configured to: - keep the
first pin 5 at least partially arranged inside theinsertion channel 3a when the elongated shapedbody 11 is removed from theinsertion channel 3a, - allow the
first pin 5 to move back inside thefirst cavity 4 when the elongated shapedbody 11 is pushed into theinsertion channel 3a against thefirst pin 5, and - allow the
first pin 5 to move towards theinsertion channel 3a when thefirst pin 5 engages with thespherical element 13. - In the embodiment shown in
Figures 3 and 4 , therefore: - the first
elastic element 4a is at rest when the elongated shapedbody 11 is not inserted in theinsertion channel 3a, or is inserted but has not yet intercepted the section of thecylinder 3 where thepins Figure 3 ), and thefirst pin 5 protrudes inside theinsertion channel 3a, - the first
elastic element 4a undergoes a temporary shortening when thefirst pin 5 is intercepted by thefirst face 11a of the elongated shapedbody 11, while the latter is being inserted into theinsertion channel 3a, and - the first
elastic element 4a returns to the rest configuration, releasing its elastic force, and translates thefirst pin 5 inside thefirst cavity 4 towards theinsertion channel 3a, pushing thespherical element 13 onto thesecond pin 7, when thefirst pin 5 is inserted through thefirst aperture 15a partially into thehousing 14, thus pushing the spherical element towards thesecond aperture 15b. - Preferably, the
lock body 2 further comprises a secondelastic element 8a, preferably a spring, mounted inside theslot 8 and associated with thecounter-pin 9. - Advantageously, the second
elastic element 8a is configured to: - keep the counter-pin 9 at least partially arranged inside the
insertion channel 3a when the elongated shapedbody 11 is removed from theinsertion channel 3a, - allow the counter-pin 9 to move back inside the
second cavity 6 when the elongated shapedbody 11 is pushed into theinsertion channel 3a against thefirst pin 5, and - allow the counter-pin 9 to retract such that it is completely arranged inside the
slot 8 when thesecond pin 7 engages with thespherical element 13. - In the embodiment shown in
Figures 3 and 4 , therefore: - the second
elastic element 8a is at rest when the elongated shapedbody 11 is not inserted in theinsertion channel 3a, or is inserted but has not yet intercepted the section of thecylinder 3 where thepins Figure 3 ), and thesecond pin 7 protrudes inside theinsertion channel 3a, - the second
elastic element 8a undergoes a first shortening when thesecond pin 7 is intercepted by thesecond face 11b of the elongated shapedbody 11, while the latter is being inserted into theinsertion channel 3a, thereby translating thesecond pin 7 inside thesecond cavity 6 away from theinsertion channel 3a, and - the second
elastic element 8a undergoes a further shortening when thespherical element 13 partially removed from thehousing 14 through thesecond aperture 15b, pushed by thefirst pin 5, engages thesecond pin 7 moving it away from theinsertion channel 3a and pushing it (preferably completely) into thesecond cavity 6, so that thecounter-pin 9 is completely inserted into theslot 8. - Advantageously, therefore, the key 10 and the
lock 1 according to the present invention make it possible to provide an efficient andsecure security system 100 which prevents the unlocking of thelock 1 with unauthorizedcloned keys 10. - The presence of the
spherical element 13 which is free to move inside thehousing 14 of the key allows the system of thepins - The present invention achieves the intended objects, overcoming the drawbacks of the prior art and providing a
security system 100, alock 1 and a key 10, which are innovative and allow the security conditions against unauthorized access to be improved.
Claims (9)
- A security system (100) comprising a lock (1) and an actuating key (10) for actuating said lock (1),wherein said lock (1) comprises a lock body (2) and a cylinder (3), wherein said lock body (2) has an inlet (2a) within which said cylinder (3) is rotatably mounted, said cylinder (3) having an insertion channel (3a) for inserting the actuating key (10);wherein said cylinder (3) has a first cavity (4) leading into said insertion channel (3a); a first movable pin (5), which is movable towards and away from said insertion channel (3a), being slidably mounted inside said first cavity (4);wherein said cylinder (3) has a second cavity (6) leading, on a first side, into said insertion channel (3a), and on a second side opposite to the first one, towards the lock body (2); a second movable pin (7), which is movable towards and away from said insertion channel (3a), being slidably mounted inside said second cavity (6);wherein said lock body (2) has a slot (8) leading into said inlet (2a); a counter-pin (9) being slidably mounted inside said slot (8), said counter-pin (9) being designed to cooperate with said second pin (7) in a neutral position of the cylinder (3) in which said second cavity (6) of the cylinder (3) is aligned with the slot (8) of the lock body (2),said counter-pin (9) being configured to be arranged at least partially inside said second cavity (6) when the cylinder (3) is in the neutral position, so as to prevent the rotation of the cylinder (3);wherein said actuating key (10) comprises an elongated shaped body (11) insertable into said insertion channel (3a),wherein a spherical element (13), which has a diameter (D) and is movable along a movement direction (X) that is transversal to a main extension direction (Y) of the elongated shaped body (11), is mounted on said elongated shaped body (11),wherein said first and said second pin (5, 7) are configured to be arranged at a first distance (h) when the elongated shaped body (11) is removed from the insertion channel (3a) and the cylinder (3) is in the neutral position,and wherein said spherical element (13) is configured to engage with said first and said second pin (5, 7) in order to arrange them at a second distance (H) that is greater than the first distance (h) and equal to the diameter (D) when the elongated shaped body (11) is inserted into the insertion channel (3a), such that the counter-pin (9) is completely moved into the slot (8) and the cylinder (3) is free to rotate inside the lock body (2);characterised in that said cylinder (3) comprises a first elastic element (4a) mounted inside said first cavity (4) and associated with said first pin (5), said first elastic element (4a) being configured to:- keep the first pin (5) at least partially arranged inside the insertion channel (3a) when the elongated shaped body (11) is removed from the insertion channel (3a),- allow the first pin (5) to move back inside the first cavity (4) when the elongated shaped body (11) is pushed into the insertion channel (3a) against the first pin (5), and- allow the first pin (5) to move towards the insertion channel (3a) when the first pin (5) engages with the spherical element (13).
- The security system (100) according to claim 1, wherein said lock body (2) comprises a second elastic element (8a) mounted inside said slot (8) and associated with said counter-pin (9), said second elastic element (8a) being configured to:- keep the counter-pin (9) at least partially arranged inside the insertion channel (3a) when the elongated shaped body (11) is removed from the insertion channel (3a),- allow the counter-pin (9) to move back inside the second cavity (6) when the elongated shaped body (11) is pushed into the insertion channel (3a) against the first pin (5), and- allow the counter-pin (9) to retract such that it is completely arranged inside the slot (8) when the second pin (7) engages with the spherical element (13).
- The security system (100) according to claim 1 or 2, wherein said first and said second pin (5, 7) are movable along respective parallel movement axes (5a, 7a).
- The security system (100) according to claim 3, wherein said second pin (7) comprises a first portion (7a') configured to engage with the spherical element (13) and extending along a respective extension axis that is coincident with the movement axis (5a) of the first pin (5), and a second portion (7") configured to engage with the counter-pin (9) and extending along a respective extension axis that is eccentric with respect to the movement axis (5a) of the first pin (5).
- The security system (100) according to one or more of the preceding claims, wherein said spherical element (13) is inserted inside a housing (14) of the elongated shaped body (11) leading onto opposite faces (11a, 11b) of said elongated shaped body (11) at respective apertures (15a, 15b) shaped so as to prevent the spherical element (13) from completely exiting said housing (14); said spherical element (13) being free to slide inside said housing (14) along the movement direction (X), between a first operating position, in which the spherical element (13) obstructs a first aperture (15a) of said apertures (15a, 15b) by partially protruding from a first face (11a) of said faces (11a, 11b), and a second position, in which the spherical element (13) obstructs a second aperture (15b) of said apertures (15a, 15b) by partially protruding from a second face (11b) of said faces (11a, 11b).
- A lock (1) comprising:- a cylinder (3) having an insertion channel (3a) for the insertion of an actuating key (10),- a lock body (2) having an inlet (2a) inside which said cylinder (3) is rotatably mounted;wherein said cylinder (3) has a first cavity (4) leading into said insertion channel (3a); a first movable pin (5), which is movable towards and away from said insertion channel (3a), being slidably mounted inside said first cavity (4); andwherein said cylinder (3) has a second cavity (6) leading, on a first side, into said insertion channel (3a), and on a second side opposite to the first one, towards the lock body (2); a second movable pin (7), which is movable towards and away from said insertion channel (3a), being slidably mounted inside said second cavity (6);wherein said lock body (2) has a slot (8) leading into said inlet (2a); a counter-pin (9) being slidably mounted inside said slot (8), said counter-pin (9) being designed to cooperate with said second pin (7) in a neutral position of the cylinder (3) in which said second cavity (6) of the cylinder (3) is aligned with the slot (8) of the lock body (2),said counter-pin (9) being configured to be arranged at least partially inside said second cavity (6) when the cylinder (3) is in the neutral position, so as to prevent the rotation of the cylinder (3);said lock (1) being arranged so as to be actuated by an actuating key (10) comprising an elongated shaped body (11) insertable into said insertion channel (3a), wherein a spherical element (13), which has a diameter (D) and is movable along a movement direction (X) that is transversal to a main extension direction (Y) of the elongated shaped body (11), is mounted on said elongated shaped body (11);said first and said second pin (5, 7) being configured to be arranged at a first distance (h) when the elongated shaped body (11) is removed from the insertion channel (3a) and the cylinder (3) is in the neutral position, said first and said second pin (5, 7) being engageable with said spherical element (13) in order to be arranged at a second distance (H) that is greater than the first distance (h) and equal to the diameter (D) when the elongated shaped body (11) is inserted into the insertion channel (3a), such that the counter-pin (9) can be completely moved into the slot (8) and the cylinder (3) is free to rotate inside the lock body (2);characterised in that said cylinder (3) comprises a first elastic element (4a) mounted inside said first cavity (4) and associated with said first pin (5), said first elastic element (4a) being configured to:- keep the first pin (5) at least partially arranged inside the insertion channel (3a) when the elongated shaped body (11) is removed from the insertion channel (3a),- allow the first pin (5) to move back inside the first cavity (4) when the elongated shaped body (11) is pushed into the insertion channel (3a) against the first pin (5), and- allow the first pin (5) to move towards the insertion channel (3a) when the first pin (5) engages with the spherical element (13).
- The lock (1) according to claim 6, wherein said lock body (2) comprises a second elastic element (8a) mounted inside said slot (8) and associated with said counter-pin (9), said second elastic element (8a) being configured to:- keep the counter-pin (9) at least partially arranged inside the insertion channel (3a) when the elongated shaped body (11) is removed from the insertion channel (3a),- allow the counter-pin (9) to move back inside the second cavity (6) when the elongated shaped body (11) is pushed into the insertion channel (3a) against the first pin (5), and- allow the counter-pin (9) to retract such that it is completely arranged inside the slot (8) when the second pin (7) engages with the spherical element (13).
- The lock (1) according to one or more of claims 7, wherein said first and said second pin (5, 7) are movable along respective parallel movement axes (5a, 7a).
- The lock (1) according to claim 8, wherein said second pin (7) comprises:- a first engagement portion (7') configured to engage with the spherical element (13) and extending along a respective extension axis, which is coincident with the movement axis (5a) of the first pin (5), and- a second engagement portion (7") configured to engage with the counter-pin (9) and extending along a respective extension axis, which is coincident with a movement axis (9a) of the counter-pin (9) and eccentric with respect to the movement axis (5a) of the first pin (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HRP20230100TT HRP20230100T1 (en) | 2020-02-25 | 2021-02-17 | Security system andlock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102020000003844A IT202000003844A1 (en) | 2020-02-25 | 2020-02-25 | SAFETY SYSTEM, LOCK AND RELATIVE OPERATION KEY |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3872283A1 EP3872283A1 (en) | 2021-09-01 |
EP3872283B1 true EP3872283B1 (en) | 2022-11-16 |
Family
ID=70738907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21157695.4A Active EP3872283B1 (en) | 2020-02-25 | 2021-02-17 | Security system and lock |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3872283B1 (en) |
ES (1) | ES2938041T3 (en) |
HR (1) | HRP20230100T1 (en) |
HU (1) | HUE061023T2 (en) |
IT (1) | IT202000003844A1 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2492872B1 (en) * | 1980-08-13 | 1985-10-11 | Vachette Sa | BUILT-IN PUSH-BUTTON AND SAFETY BARREL USING THE SAME |
ATE237059T1 (en) * | 1999-06-23 | 2003-04-15 | Talleres Escoriaza Sa | LOCKING SYSTEM |
GB2463289A (en) * | 2008-09-08 | 2010-03-10 | Mul T Lock Technologies Ltd | A key with movable portion for use in more than one lock |
IL211697A (en) * | 2011-03-13 | 2015-02-26 | Mul T Lock Technologies Ltd | Lock assembly with movable element |
CN204983952U (en) * | 2015-08-31 | 2016-01-20 | 陈志和 | Novel lockset |
CN106088821A (en) * | 2016-07-11 | 2016-11-09 | 陈志和 | A kind of anti-theft key and assembly method thereof |
EP3483365B1 (en) * | 2017-11-09 | 2020-05-13 | BKS GmbH | Key for operating a lock cylinder and locking system with key and lock cylinder |
IT201800005083A1 (en) * | 2018-05-04 | 2019-11-04 | SAFETY LOCK AND RELATIVE OPERATION KEY |
-
2020
- 2020-02-25 IT IT102020000003844A patent/IT202000003844A1/en unknown
-
2021
- 2021-02-17 EP EP21157695.4A patent/EP3872283B1/en active Active
- 2021-02-17 HR HRP20230100TT patent/HRP20230100T1/en unknown
- 2021-02-17 ES ES21157695T patent/ES2938041T3/en active Active
- 2021-02-17 HU HUE21157695A patent/HUE061023T2/en unknown
Also Published As
Publication number | Publication date |
---|---|
HUE061023T2 (en) | 2023-05-28 |
HRP20230100T1 (en) | 2023-03-17 |
EP3872283A1 (en) | 2021-09-01 |
ES2938041T3 (en) | 2023-04-04 |
IT202000003844A1 (en) | 2021-08-25 |
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