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
  • E05B27/0042—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with additional key identifying function, e.g. with use of additional key operated rotor-blocking elements, not of split pin tumbler type
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B19/00—Keys; Accessories therefor
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B19/00—Keys; Accessories therefor
  • E05B19/0017—Key profiles
• • 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

Definitions

• the present invention relates to a lock cylinder and key lock system.
• lock systems comprising a key and a lock cylinder
• Such a lock system comprises a key with a key blade having a plurality of code surfaces arranged one after the other in the longitudinal direction of the key blade, and which is inserted into a key housing existing in a lock cylinder.
• the lock cylinder comprises a stator and a rotor that rotates inside the stator, the cylinder being provided with a plurality of housings, so that in each of said housings a rotor pin and a stator pin move in the radial direction of the lock cylinder, so that when the blade of a valid key is completely inserted into the lock cylinder, said rotor and stator pins are positioned in code, enabling rotation of the rotor, which causes the opening of the lock.
• EP2360334B1 describes a lock system where the lock cylinder comprises a validation element that at least partially extends into the key channel, and where the key comprises a control recess configured to correspond to the lock element in such a way that the locking element is housed in the recess when the key is inserted into the key channel.
• the recess is longer than the length along which the locking element is inserted into the recess.
• the object of the invention is to provide a lock system, as defined in the claims.
• the lock system of the invention comprises a lock key comprising a key blade, a control recess on at least one of the faces of the key blade, and a plurality of code surfaces arranged one following the another in the longitudinal direction of the key blade.
• the lock system of the invention further comprises a lock cylinder.
• Said lock cylinder comprises a stator and a rotor configured to rotate in a hole in the stator, the rotor comprising a key housing configured to receive the key.
• the lock cylinder further comprises a plurality of housings each housing containing at least one rotor pin and one stator pin displaceable in the radial direction of the lock cylinder, the rotor pins and key code surfaces being configured to cooperate each other when the key is fully inserted into the lock cylinder.
• the lock cylinder further comprises a validation element in the key housing configured to lodge in the control recess when the key is inserted.
• the control recess partially overlaps with at least one stator pin when the key has been fully inserted into the lock cylinder and has been rotated to a position where the control recess is facing to said stator python, the stator python acting as an additional locking element in case a fraudulent key is used with a control recess that completely overlaps with said stator python.
• said stator python performs a double function, improving the security provided by the lock system without increasing the number of elements of the lock system.
• Figure 1 shows a side view of a key of a first embodiment of the lock system according to the invention.
• Figure 2 shows a perspective view of the key of Figure 1 in which the code surfaces have not yet been made, and a detail thereof.
• Figure 3 shows a longitudinal sectional view of the lock cylinder of the first embodiment of the lock system according to the invention with the key of Figure 1 fully inserted.
• Figure 4 shows the lock system of Figure 3 with the key turned 180 °.
• Figure 5 shows a cross-sectional view of the lock cylinder of Figure 4 with a fraudulent key and a detail of both.
• Figure 6 shows a perspective view of the rotor of the lock cylinder of Figure 3.
• Figure 7 shows a side view of a key of a second embodiment of the lock system in which the code surfaces have not yet been made.
• Figure 8 shows a longitudinal sectional view of the lock cylinder of the second embodiment of the lock system according to the invention with the key of Figure 7 fully inserted and turned 90 °.
• Figures 1 to 6 refer to a first embodiment of the lock system 100 according to the invention.
• the lock system 100 of the invention comprises a lock key 1 comprising a key blade 11.
• the key blade 11 comprises a front face 115, two major lateral faces 113, 114 and two minor lateral faces 111, 112.
• the lock key 1 further comprises a control recess 12 on at least one of the faces 111, 112, 113, 114, 115 of the key blade 11, and a plurality of code surfaces 14 arranged one after the other in the longitudinal direction of the key blade 11.
• the lock system 100 of the invention further comprises a lock cylinder 2.
• the lock cylinder 2 comprises a stator 21, and a rotor 22.
• the rotor 22 is configured to rotate in a hole in the stator 21 and comprises a key housing 23 configured to receive the key blade 11.
• the key housing 23 extends longitudinally along the rotor 22 and comprises an inlet port on the front face 220 of the rotor 22.
• the lock cylinder 2 further comprises a plurality of housings 24 each housing 24 containing at least one rotor pin 25 and one stator pin 26 movable in the radial direction of the lock cylinder 2, with the rotor pins 25 and the surfaces of code 14 configured to cooperate with each other when key 1 has been fully inserted into lock cylinder 2.
• Rotor pins 25 and stator pins 26 are pushed into key housing 23 in this embodiment by the action of a spring 27 housed in each of housings 24, as shown in Figure 3.
• Lock cylinders in which the rotor pins 25 and the stator pins 26 are pushed into the key housing 23 are known in the state of the art using other means such as magnets, discs, etc.
• the lock cylinder 2 further comprises a validation element 231 in the key housing 23 configured to be housed in the control recess 12 when the key 1 is inserted.
• the position in which the key 1 has been completely inserted into the lock cylinder 2 can be determined by the validation element 231, such that when said validation element 231 abuts the control recess 12, it defines said position. However, it is not necessary that the validation element 231 abuts the control recess 12 to define said position of the key 1 in the invention.
• the position where key 1 has been fully inserted into lock cylinder 2 may come also determined by a stop element 19, whose stop surface 190 abuts the front face 220 of the rotor 22, as shown in Figure 3.
• the control recess 12 partially overlaps with at least one stator pin 26 when the key 1 has been fully inserted into the lock cylinder 2 and has been rotated to a position where the control recess 12 is confronted with said stator pin 26, the stator pin 26 acting as an additional locking element in case a fraudulent key is used with a control recess 12 that completely overlaps with said stator pin 26
• the stator pin 26 performs a double function: on the one hand it cooperates with the code 14 surfaces and on the other it acts as an additional locking element. In this way a more secure lock system is obtained without increasing the number of elements of the lock system.
• Figure 4 shows a part of the lock system 100 of this embodiment, where the key 1 has been fully inserted into the lock cylinder 2 and has been rotated until the control recess 12 is arranged facing the farthest stator pin 26 of the front face 220 of the rotor 22.
• the control recess 12 partially overlaps with the stator pin 26 farthest from the front face 220 of the rotor 22, in such a way that the key blade 11 prevents the insertion of said stator python 26 in control recess 12.
• control recess 12 does not have sufficient dimensions for validation element 231 to lodge in recess control 12 when the key 1 has been completely inserted into the lock cylinder 2
• the validation element 231 abuts the control recess 12, preventing the key 1 from entering the lock cylinder 2 completely, so that the plurality of code surfaces 14 do not cooperate with the plurality of rotor pins 25, preventing rotor 22 from rotating.
• control recess 12 is disposed on the front face 115, on one of the minor side faces 111 and on the major side faces 113 and 114 of the key blade 11.
• control recess 12 partially overlaps in the transverse direction of the key 1 with the stator pin 26, as shown in Figure 4.
• the control recess 12 when the recess overlaps control 12 in the transverse direction of the key 1 with the stator pin 26, the control recess 12 partially overlaps with a single stator pin 26, the furthest from the front face 220 of the rotor 22.
• the control recess 12 is arranged on the front face 115, on the minor lateral face 111 and on both major lateral faces 113 and 114.
• control recess 12 partially overlaps in the longitudinal direction of the key 1 with the stator pin 26.
• the control recess 12 is arranged on the front face 115, in the minor lateral face 111 and in one of the major lateral faces 113 or 114, the control recess 12 being able to be extended in the longitudinal direction of the key 1.
• the control recess 12 overlaps at least with the spigot of stator 26 furthest from the front face 220 of rotor 22, or last stator pin, and it may overlap with more stator pins 26 depending on how long the control recess 12 is extended in the longitudinal direction of the key 1.
• control recess 12 would go from overlapping only with the last stator pin 26 or stator pin 26 furthest from the front face 220 of the rotor 22, to sol mate with one or more additional stator pins 26, said overlapping being progressive as a function of the length of said control recess 12, beginning with the last stator pin 26 and ending with the first stator pin 26 or stator pin 26 plus close to the front face 220 of the rotor 22.
• the element Validation 231 has a slope shape and extends longitudinally in a section of the key housing 23, decreasing its height in the opposite direction to the direction of insertion of the key 1, as shown in Figure 6.
• the lock cylinder 2 comprises an additional validation element 232 following the validation element 231 in the opposite direction to the direction of introduction of key 1, and key 1 comprises a respective recess 13 configured to house additional validation element 232.
• the additional validation element 232 does abutment with the respective recess 13, preventing the key 1 from entering the lock cylinder 2 completely, so that the plurality of code surfaces 14 do not cooperate with the plurality of rotor pins 25, preventing the rotor 22 from rotating.
• the respective recess 13 of the key 1 is a longitudinal groove 15, as shown in Figures 1 and 2.
• the respective recess 13 of the key 1 is an extension of the control recess 12.
• the additional validation element 232 has a slope shape and extends longitudinally in a section of the key housing 23, decreasing its height in the opposite direction to key entry direction 1.
• the code 14 surfaces of the lock key 1 are located on the minor side face 112 of the key blade 11 opposite to the minor side face 111 of the key blade 11 in which the control recess is located 12.
• control recess 12 partially overlaps with the stator pin 26 when the key 1 has been inserted into the lock cylinder. lock 2 fully and has been rotated 180 ° as shown in Figure 4.
• Figures 7 and 8 show a second embodiment of the lock system 100 of the invention.
• the code 14 surfaces of the lock key 1 are located on at least one major lateral face 113 or 114 of the lock key 1.
• control recess 12 partially overlaps with the stator pin 26 when the key 1 has been inserted into the lock cylinder 2 completely and has been rotated 90 ° or 270 °, the key 1 in the position shown in Figure 8.
• the rotor 22 comprises an unlocking chamfer 221, as shown in Figure 5.
• said stator python 26 slides, housed in the control recess 12, and preventing the rotor 22 from rotating, as shown in Figure 5.
• the chamfer Release 221 of rotor 22 allows key 1 to be rotated in the opposite direction, allowing rotor 22 to rotate in the opposite direction to that of opening and recovery of key 1 from lock cylinder 2.
• stator pins 26 slide, staying in the control recess 12, and preventing the rotor 22 from rotating, allowing the unlocking chamfer 221 to key recovery 1.

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• Lock And Its Accessories (AREA)

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Cited By (4)

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Citations (6)

Family Cites Families (5)

• 2018
  • 2018-09-13 LT LTEP18194349.9T patent/LT3623549T/lt unknown
  • 2018-09-13 HU HUE18194349A patent/HUE057292T2/hu unknown
  • 2018-09-13 PT PT181943499T patent/PT3623549T/pt unknown
  • 2018-09-13 PL PL18194349T patent/PL3623549T3/pl unknown
  • 2018-09-13 EP EP18194349.9A patent/EP3623549B1/en active Active
• 2019
  • 2019-09-09 ES ES201930785A patent/ES2753597B2/es active Active
  • 2019-09-09 WO PCT/ES2019/070594 patent/WO2020053461A1/es active Application Filing
  • 2019-09-09 MX MX2021002300A patent/MX2021002300A/es unknown
  • 2019-09-09 CN CN201980057050.4A patent/CN112673143B/zh active Active
  • 2019-09-11 AR ARP190102581A patent/AR116308A1/es active IP Right Grant
  • 2019-09-13 UY UY0001038372A patent/UY38372A/es unknown
• 2021
  • 2021-02-16 CL CL2021000407A patent/CL2021000407A1/es unknown
  • 2021-02-19 CO CONC2021/0002026A patent/CO2021002026A2/es unknown
  • 2021-03-04 SA SA521421401A patent/SA521421401B1/ar unknown

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