WO2015145202A1 - Dispositif de protection de serrure de porte - Google Patents

Dispositif de protection de serrure de porte Download PDF

Info

Publication number
WO2015145202A1
WO2015145202A1 PCT/IB2014/060136 IB2014060136W WO2015145202A1 WO 2015145202 A1 WO2015145202 A1 WO 2015145202A1 IB 2014060136 W IB2014060136 W IB 2014060136W WO 2015145202 A1 WO2015145202 A1 WO 2015145202A1
Authority
WO
WIPO (PCT)
Prior art keywords
door lock
protection device
cover plate
lock protection
hole
Prior art date
Application number
PCT/IB2014/060136
Other languages
English (en)
Inventor
Isaac Ashkenazi
Original Assignee
Isaac Ashkenazi
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 Isaac Ashkenazi filed Critical Isaac Ashkenazi
Priority to PCT/IB2014/060136 priority Critical patent/WO2015145202A1/fr
Publication of WO2015145202A1 publication Critical patent/WO2015145202A1/fr

Links

Classifications

    • 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
    • E05B17/2092—Means responsive to tampering or attack providing additional locking

Definitions

  • the present invention in some embodiments thereof, relates to door locks and, more particularly, but not exclusively, to a door lock protection device for use with mechanical and electrical door locks.
  • Doors are generally fitted with mechanical locks or electrical locks.
  • Mechanical locks are typically actuated by a user inserting a key through a keyhole and into a cylinder or other type of opening mechanism.
  • the key is generally manually rotated in one direction to push a locking bolt into a strike, or rotated in an opposite direction to memel the locking bolt from the strike.
  • Electrical locks are typically actuated by the user activating an electromechanical mechanism which rotates the cylinder, or other type of opening mechanism, pushing or pulling the locking bolt.
  • Some means used to activate the electromechanical mechanism may include use of a key, a magnetic card, and/or a biometric sensor.
  • Some break-in techniques may include picking the door lock, drilling through the door lock, and even breaking the door lock.
  • Numerous devices and methods are known in the art which attempt to solve the problem of break-ins through door locks. These may include specially designed door locks or integrating specially machined parts into existing designs of door locks, both of which may be costly. They may additionally require doors which are specially fabricated to accommodate the door locks.
  • a door lock protection device including a hole cover plate for blocking a hole in a door lock leading to an opening mechanism; and a plate guide for guiding a displacement motion of the hole cover plate.
  • the door lock may be an electric door lock.
  • the electric door lock may be a biometric door lock.
  • the door lock may be a mechanical door lock.
  • the plate guide may include a channel. According to an embodiment of the present invention, the plate guide may include lateral slots.
  • the plate guide may include a guide pin.
  • the hole cover plate may include a slot.
  • the door lock protection device may include a spring mechanism.
  • the spring mechanism may include at least one compression spring.
  • the spring mechanism may include a torsion spring.
  • the door lock protection device may include a stopper.
  • a method of blocking an opening in a door lock leading to the door lock's opening mechanism may include abutting an edge of a hole cover plate against a front section of the door lock, and guiding the hole cover plate in a direction covering the opening when the front section is removed.
  • the method may include exerting a displacement force on the hole cover plate in a direction towards the opening.
  • the exerting is by means of any one of gravitational force, magnetic force, spring force, and electromagnetic force.
  • the method may include stopping the hole cover plate when the opening is blocked.
  • the guiding may include a linear displacement of the hole cover plate.
  • the guiding may include a rotational displacement of the hole cover plate.
  • a housing for a biometric door lock including a hole cover plate for blocking an opening in the door lock leading to an opening mechanism, and a plate guide for guiding a displacement motion of the hole cover plate.
  • the housing may additionally include a slot on an upper section of a rim bordering at least an upper portion of the opening.
  • Figures 1A - lC schematically illustrate an exemplary door lock protection device, according to an exemplary embodiment of the present invention
  • Figures 2 A and 2B schematically illustrate an exemplary electrical door lock and an exemplary mechanical door lock, respectively, both including the door lock protection device, according to some embodiments of the present invention
  • Figures 3 A and 3B schematically illustrate an exemplary door lock including a door lock protection device, according to an embodiment of the present invention
  • Figures 4A and 4B schematically illustrate an exemplary door lock including a door lock protection device, according to an embodiment of the present invention
  • Figures 5 A and 5B schematically illustrate the door lock of Figures 4 A and 4B with, a similar door lock protection device and having a different spring mechanism, according to an embodiment of the present invention
  • Figures 6A and 6B schematically illustrate the door lock of Figures 4A and 4B with another door lock protection device, according to an embodiment of the present invention
  • Figure 7A schematically illustrates a view of a housing of a biometric door lock including an exemplary implementation of the door lock protection device of Figure 1, according to an embodiment of the present invention
  • Figure 7B schematically illustrates the housing of the biometric door lock including a front section of the door lock and the door lock protection device, according to an embodiment of the present invention
  • Figures 8A and 8B schematically illustrate an exemplary door lock including a door lock protection device, according to an embodiment of the present invention
  • FIGS 9A and 9B schematically illustrate an exemplary door lock including a door lock protection device, according to an embodiment of the present invention.
  • Break-in techniques employed by burglars frequently employ breaking the door lock. Such techniques may include removing a front section of the door lock into which a key is typically inserted or which includes the handle or knob used to open the door, leaving a hole (e.g. the keyhole). The burglar may then insert a sharp object or tool such as a screwdriver through the hole and access the cylinder or other opening mechanism to open the locking bolt.
  • a sharp object or tool such as a screwdriver
  • a door lock may be configured with a door locking protection device for substantially blocking the hole when the front section of the door lock has been removed.
  • the door lock protection device which is self- closing, prevents access to the cylinder or other opening mechanism through the hole. Furthermore, the door lock protection device is located inside the door and cannot be tampered. Consequently, burglars are prevented from inserting objects through the hole.
  • the "cylinder” and the “other opening mechanism” may be referred to hereinafter as "opening mechanism”.
  • the door locking protection device may be used with both electrical and mechanical door locks known in the art. These may inelude biometric door looks and other electronically activated door locks.
  • the door lock protection device may be assembled as part of the door lock during door lock manufacturing, or may be retrofit onto an existing door lock. Alternatively, the door lock protection device may be assembled or retrofit inside a door and positioned to block the hole when the front section of the door lock has been removed.
  • Door lock protection device 100 may be configured to block a hole 110 in a door lock when a front section of a door lock 112 is removed.
  • front section of door lock 112 is shown by keyed front 114.
  • Door lock protection device 100 may include a hole cover plate 102 and a plate guide 104.
  • Hole cover plate 102 may be slidably displaceable in a plane parallel to a face of the door from an open position to a closed position to block hole 110 when keyed front 114 is removed.
  • Hole cover plate 102 may be self-closing and may be displaced by forces exerted by gravity, a spring mechanism, a pneumatic mechanism, magnetism, electromagneti sm . among other possible acting forces.
  • Figure 1A shows hole plate 102 in the open position
  • Figure IB shows the hole plate 102 partially blocking hole 110 following removal of keyed front 1 14 and following slidable displacement towards the closed position, the direction of displacement indicated by arrow D
  • Figure 1C shows the hole plate in the closed position blocking the hole.
  • Hole cover plate 102 may include any geometric shape which may suitably block hole 110 in the closed position to prevent insertion of a sharp object or tool through the hole.
  • hole cover plate 102 may include a rectangular shape, a circular shape, an elliptical shape, a triangular shape, or other shape, or any suitable combination of shapes.
  • Hole cover plate 102 may be of any material suitable to resist bending or breaking by an intruder attempting to insert a sharp object or tool through hole HO.
  • hole cover plate 102 may be a metal.
  • Plate guide 104 may serve to guide cover plate 102 from the open position to the closed position in the direction D.
  • Plate guide 104 may additionally provide mechanical support to cover plate 102 to substantially prevent it from being pushed or pulled in a direction perpendicular to direction D by the use of a tool or other means (pushed or pulled through hole 112 in a direction, into or out of the door, respectively),
  • Plate guide 104 may include any geometrical shape suitable to allow cover plate 102 to be slidably displaced from the open position to the closed position through the plate support.
  • plate guide 104 may include a channel shape, or may form a channel, or may include a slot, through which cover plate 102 may slide in the direction D.
  • Plate guide 104 may additionally be a separate component which is attached to the door lock, or may be an integral component affixed to the door lock.
  • door lock protection device 100 has been described above as having a plate guide 104 which may serve to guide cover plate 102 and/or support the cover plate, the skilled person may realize thai other means may be used for guiding and/or supporting the cover plate.
  • cover plate 102 may include a slot formed in a direction similar to that indicated by arrow D and may be guided and/or supported by pins or other elements which may fit in the slot and may allow displacement of the cover plate.
  • Other possible guiding and/or support means may be apparent to the skilled person.
  • FIG. 2 A and 2B schematically illustrate an exemplary electrical door lock 150 and an exemplary mechanical door lock 170, both including door lock protection device 100, according to some embodiments of the present invention.
  • electric door lock 150 which may include an electronic door lock, for example, a biometric door lock.
  • Electric door lock 150 may include a lock housing 10 which may internally house a front section 152 and/or a rear section 151.
  • Lock housing 10 may be installed inside a door 1, with front section 152 flush mounted, or alternatively protruding or recessed, with respect to an exterior face of door 1.
  • Rear section 151 may include an opening mechanism 153 which may include an electromagnet 154 and a locking/unlocking means 156 (hereinafter referred to as "locking means" for convenience).
  • Locking means 156 may operate on a locking bolt (not shown) responsive to activation by electromagnet 154.
  • Door lock protection device 100 may be positioned in electric door lock 150 with an edge 105 of cover plate 102 abutting front section 152. As long as front section is in place, edge 105 may be supported by front section 152 and cover plate 102 may be prevented from sliding over hole 110 to block the hole. In this mode, cover plate 102 is in the open position.
  • edge 105 may no longer be supported by the front section and cover plate 102 may slide over hole 110 and block the hole.
  • cover plate 102 is in the closed position.
  • Plate guide 104 may guide movement of cover plate 102 over hole 110 and may support it in place in the closed position. Additionally, plate guide 104 may support cover plate 102 in place while in the open position and when sliding into the closed position, and to prevent removal of the cover plate in the closed position.
  • Door lock protection device 100 may include use of gravity as the displacement force for displacing cover plate 102 from the open position to the closed position.
  • cover plate 102 and plate guide 104 may be positioned in electromagnetic door lock 150 above, or on an upper portion of, front section 152.
  • other displacement forces may be used, some examples to be described further on herein with relation to some embodiments of the present invention.
  • Door lock protection device 100 may be installed inside lock housing 10, as shown in Figure 2 A, on an inner surface of an exterior wall 11 of the lock housing. Alternatively, door lock protection device 100 may be installed on an outer surface of exterior wall 11.
  • Mechanical door lock 170 may include a lock housing 20 which may internally house a front section 172 and/or a rear section 171.
  • Lock housing 20 may be installed inside a door 1, with front section 172 flush mounted, or alternatively protruding or recessed, with respect to an exterior face of door 20.
  • Rear section 171 may include an opening mechanism 174 which may include a cylinder. Opening mechanism 174 may operate on a locking bolt (not shown) responsive to manual turning of a key inserted in front section 110 or of a handle connected to the front section.
  • Door lock protection device 100 in door lock 170 may operate in a similar manner as in door lock 150 with cover plate 102 moving from the open position to the closed position when front section 172 is removed. In the closed position, cover plate 102 may cover hole 110.
  • Door lock protection device 100 may be installed inside lock housing 20, as shown in Figure 2B, on an inner surface of an exterior wall 21 of the lock housing. Alternatively, door lock protection device 100 may be installed on an outer surface of exterior wall 21.
  • Door lock 250 may include a mechanical door lock or an electric door lock.
  • Door lock protection device 200 may be functionally similar to door lock protection device 100, configured to block a hole 210 in door lock 250 when a front section of the door lock is removed. Hole 210 may be, for example, a keyhole or other type of hole which may allow access to an opening mechanism in the door lock.
  • Door lock protection device 200 may include cover plate 102 which may be slidably displaced from an open position, as shown in Figure 3 A, to a closed position to cover hole 210, as shown in Figure 3B. Gravity may serve, similarly to door locks 150 and 170, to move cover plate 102 from the open position to the closed position when the front section of the door lock is removed.
  • Plate guide 204 may be functionally similar to plate guide 104, but may include lateral slots 203 along its length into which lateral edges of cover plate 102 may fit and may be guided along. Lateral slots 203 may additionally serve to support cover plate 102 in place while in the open position and when sliding into the closed position and to prevent removal of the cover plate in the closed position.
  • Door lock protection device 200 may be installed on an external wall 251 of a door lock housing 252, as shown in Figures 2 A and 2B. Alternatively, door lock protection device may be installed inside door lock housing 252 on an inner surface of external wall 251.
  • Door lock 350 may include a mechanical door lock or an electric door lock.
  • Door lock protection device 300 may be functionally similar to door lock protection device 100, configured to block a hole 310 in door lock 350 when a front section of the door lock is removed.
  • Hole 310 may be, for example, a keyhole or other type of hole which -may allow access to an opening mechanism in the door lock.
  • Hole cover plate 302 which may be functionally similar to hole cover plate 102, may be slidably displaced from the open position, as shown in Figure 3 A, to the closed position, as shown in Figure 3B.
  • Cover plate 302 may include a slot 303 which accommodates a guide pin 304.
  • a spring mechanism 305 may provide the displacement force for moving cover plate 302 to the closed position when the front section is removed.
  • Guide pin 304 may be functionally similar to plate guide 104 and may allow cover plate 302 to slide from the open position to the closed position while being displaced relative to the guide pin inside the slot. Guide pin 304 may additionally serve to support cover plate 302 in place while in the open position and when sliding into the closed position, and to prevent removal of the cover plate in the closed position.
  • Spring mechanism 305 may include two compression springs 305A and 305B as shown, or alternatively, one compression spring or more than two compression springs, for example, 3 compression springs, A stopper 307 may serve to stop cover plate 302 from moving past hole 310 due to the action of spring mechanism 305 when the front section is removed.
  • compression springs 305 A and 305B other types of springs may be used. For example, as shown in Figures 5 A and 5B to which reference is now also made.
  • Figures 5A and 5B schematically illustrate door lock 350 with a door lock protection device 400 which may be similar to door lock protection device 300 with the exception that compression springs 305A and 305B are replaced by a single torsion spring 405.
  • Figure 5 A shows door lock protection device 400 in the open position (the front section is in place), and
  • Figure 5B shows the door lock protection device in the closed position, following removal of the front section.
  • Door lock protection device 500 may include a hole cover plate 502 with a slot 503, guide pin 304, stopper 307, and a torsion .spring 505.
  • Door lock protection device 500 may be functionally similar to door lock protection device 300 with the exception that cover plate 502 may swivel from the open position to the closed position under the action of torsion spring 505 when the front section of door lock 350 is removed, blocking hole 310. This is in contrast to door lock protection device 300 where cover plate 302 may be linearly displaced by compression springs 305A and 305B from the open position to the closed position when the front section is removed. Slot 503 may be shaped allow the swivel action of cover plate 502 while guided and supported by guide pin 304.
  • Figure 6A shows door lock protection device 500 in the open position (the front section is in place), and Figure 6B shows the door lock protection device in the closed position, following removal of the front sec tion.
  • Housing 700 includes an exemplary implementation of door lock protection device 100 disclosed herein.
  • the door lock protection device may be included as part of the design of housing 700 and may be implemented when the housing is manufactured, or may be added as part of a retrofitting implementation.
  • housing 700 is shown including an opening 710 which accommodates a front section 714 of the door lock including a door knob 715 which may be manipulated by a user to open the door once the user's biometric parameters have been properly identified. Removal, of front section 714 and door knob 715 may allow access through opening 710 to the opening mechanism of the door lock, and thereby an intruder may break into a premise.
  • Figure 7B shows housing 700 following removal of front section 714 and door knob 715, allowing a substantially clear view of opening 710.
  • the Applicant has solved the problem of access to the opening mechanism when the knob is removed by fitting onto housing 700 a hole cover plate, for example, hole cover plate 102, and a plate guide, for example plate guide 104, as shown in the Figures.
  • the Applicant has additionally provided a slot 707 in an upper section of a rim 711 peripherally surrounding opening 710 through which the cover plate may be slidably displaced into opening 710 under the effect of gravity, blocking the opening. Once blocked, access to the opening mechanism is substantially prevented and the door lock may not be opened by an intruder.
  • rim 711including slot 707 may serve a similar function to that of plate guide 104, eliminating a possible use of plate guide 104.
  • rim 711 may not be included in housing 700.
  • hole cover plate 102 is supported in the open position by front section 714. Removal of front section 714 may allow cover plate 102 to slide through plate guide 104 and through slot 707 blocking opening 710.
  • Door lock protection device 800 may be functionally similar to door lock protection device 100 or any one of the door lock protection devices disclosed herein.
  • Door lock protection device 800 may be a single unit which may include a. plate guide 803 and a cover plate 802 which may be slidably displaced along the plate guides from an open position, as shown in Figure 8 A, to a closed position to cover hole 810, as shown in Figure 8B, Gravity may act on cover plate 802 for moving the cover plate from the open position to the closed position when the front section of door lock 850 is removed.
  • Plate guide 804 may include lateral slots 803 along a portion of its length into which lateral edges of cover plate 802 may fit and may be guided along. Lateral slots 803 may additionally serve to support cover plate 802 in place while in the open position and when sliding into the closed position and to prevent removal of the cover plate in the closed position.
  • Door lock protection device 800 may be included as part of the design of door lock 850 and may be implemented when the door lock is manufactured, or may be added as part of a retrofitting implementation. Door lock protection device 800 may be installed on an external wall 851 of a door lock housing 852, as shown in Figures 8 A and SB. Alternatively, door lock protection device may be installed inside door lock housing 852 on an inner surface of external wall 853.
  • Door lock protection device 900 may be functionally similar to door lock protection device 100 or any other door lock protection device disclosed herein.
  • Door lock protection device 800 may include a cover plate 902 and guide channels 904 along which the cover plate may be slidably displaced an open position- as shown in Figure 9 A, to a closed position to cover hole 810, as shown in Figure 9B. Gravity may act on cover plate 902 for moving the cover plate from the open position to the closed position when the front section of door lock 850 is removed.
  • Cover plate 902 may include a slot 903 extending along a portion of its length and which may accommodate a fastener (not shown) which may fit into an opening 905 on door lock housing 852, allowing the cover plate to slide from the open to the closed position while the fastener is inside the slot.
  • a fastener not shown
  • Door lock protection device 900 may be included as part of the design of door lock 850 and may be implemented when the door lock is manufactured, or may be added as part of a retrofitting implementation. Door lock protection device 900 may be installed on external wall 851 of door lock housing 852, as shown in. Figures 9A and 9B. Alternatively, door lock protection device may be installed inside door lock housing 852 on an inner surface of external wall 851.

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  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un dispositif de protection de serrure de porte comprenant une plaque de recouvrement de trou pour bloquer un trou dans une serrure de porte conduisant à un mécanisme d'ouverture; et une plaque guide pour guider un mouvement de déplacement de la plaque de recouvrement de trou.
PCT/IB2014/060136 2014-03-25 2014-03-25 Dispositif de protection de serrure de porte WO2015145202A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IB2014/060136 WO2015145202A1 (fr) 2014-03-25 2014-03-25 Dispositif de protection de serrure de porte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2014/060136 WO2015145202A1 (fr) 2014-03-25 2014-03-25 Dispositif de protection de serrure de porte

Publications (1)

Publication Number Publication Date
WO2015145202A1 true WO2015145202A1 (fr) 2015-10-01

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ID=54194029

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2014/060136 WO2015145202A1 (fr) 2014-03-25 2014-03-25 Dispositif de protection de serrure de porte

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WO (1) WO2015145202A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020222722A1 (fr) * 2019-05-02 2020-11-05 Антон Валэрийовыч РЭМИЗ Dispositif de signalisation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US433291A (en) * 1890-07-29 Key-hole guard
GB2195141A (en) * 1986-09-20 1988-03-30 Thorn Emi Protech Limited A device for protecting a key- hole of a lock for a closure member
EP0727551A2 (fr) * 1995-02-20 1996-08-21 Hendrik Jan Ter Haar Armoire protégée contre le vandalisme et protection de serrure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US433291A (en) * 1890-07-29 Key-hole guard
GB2195141A (en) * 1986-09-20 1988-03-30 Thorn Emi Protech Limited A device for protecting a key- hole of a lock for a closure member
EP0727551A2 (fr) * 1995-02-20 1996-08-21 Hendrik Jan Ter Haar Armoire protégée contre le vandalisme et protection de serrure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020222722A1 (fr) * 2019-05-02 2020-11-05 Антон Валэрийовыч РЭМИЗ Dispositif de signalisation

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