EP2128362A1 - Mehrpunktverriegelungssystem - Google Patents

Mehrpunktverriegelungssystem Download PDF

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Publication number
EP2128362A1
EP2128362A1 EP09251111A EP09251111A EP2128362A1 EP 2128362 A1 EP2128362 A1 EP 2128362A1 EP 09251111 A EP09251111 A EP 09251111A EP 09251111 A EP09251111 A EP 09251111A EP 2128362 A1 EP2128362 A1 EP 2128362A1
Authority
EP
European Patent Office
Prior art keywords
bar
locking mechanism
lock
bolt
drive bar
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.)
Withdrawn
Application number
EP09251111A
Other languages
English (en)
French (fr)
Inventor
Mark P. Robinson
Crispin Jedrzejewski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hydro Building Systems UK Ltd
Original Assignee
Sapa Building Systems Ltd
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 Sapa Building Systems Ltd filed Critical Sapa Building Systems Ltd
Publication of EP2128362A1 publication Critical patent/EP2128362A1/de
Withdrawn legal-status Critical Current

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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
    • E05B17/2007—Securing, deadlocking or "dogging" the bolt in the fastening position
    • E05B17/203—Securing, deadlocking or "dogging" the bolt in the fastening position not following the movement of the bolt
    • E05B17/2038—Securing, deadlocking or "dogging" the bolt in the fastening position not following the movement of the bolt moving rectilinearly
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
    • 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
    • E05B35/12—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys requiring the use of two keys, e.g. safe-deposit locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/004—Faceplates ; Fixing the faceplates to the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/02—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/02—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening
    • E05C9/026—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening comprising key-operated locks, e.g. a lock cylinder to drive auxiliary deadbolts or latch bolts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
    • E05C9/047—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening comprising key-operated locks, e.g. a lock cylinder to drive auxiliary deadbolts or latch bolts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/18—Details of fastening means or of fixed retaining means for the ends of bars
    • E05C9/1825—Fastening means
    • E05C9/1875—Fastening means performing pivoting movements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B59/00—Locks with latches separate from the lock-bolts or with a plurality of latches or lock-bolts

Definitions

  • the invention relates to multi-point locking systems.
  • a multi-point locking system comprises a locking mechanism operable to retract and extend a bolt and to move at least one drive bar to retract and extend a latch remote from the locking mechanism.
  • a multi-point locking mechanism is mounted in, for example, an edge of a door and the bolt and the latch are operated to lock the door to an associated frame.
  • the locking mechanism is associated with two moveable drive bars extending from the mechanism in opposite directions and each associated with a respective latch to provide three or more locking points between the door and the frame.
  • a multi-point locking system comprising a locking mechanism operable to retract and extend a bolt and to move at least one drive bar to retract and extend a latch remote from the locking mechanism, the at least one drive bar including a receiver, the at least one drive bar being overlaid by a face bar that is fixed relative to the locking mechanism, the face bar including a receiver that is in register with the receiver in the at least one drive bar when the drive bar has extended the associated latch, an auxiliary lock being located at a position spaced from the locking mechanism and being operable to extend a bolt into the registering receivers of the face bar and the at least one drive bar when the at least one drive bar is extended to lock the at least one drive bar against movement, the bolt being retractable to unlock the at least one drive bar to allow movement thereof.
  • the latch is prevented from being forcibly retracted if the bolt of the mechanism is forced. This provides an additional level of safety.
  • a multi-point locking system according to the first aspect of the invention and fitted to a door.
  • the multi-point locking system comprises an elongate face bar 10 that carries upper and lower drive bars 11a, 11b (see Figure 2 ), a locking mechanism 12, two latches 13a, 13b and an auxiliary lock 14.
  • the face bar 10 is an elongate strip of metal of constant width along its length.
  • the locking mechanism 12 is mounted centrally on the face bar 10 by screws 15.
  • the locking mechanism 12 includes a retractable latch 16 that may be operated via a handle (not shown) connected to a square-section spindle (not shown) extending through a correspondingly shaped hole in a boss 17 of the locking mechanism 12.
  • the locking mechanism 12 also includes a bolt 18 that can be retracted and extended by operation of a key (not shown) inserted through a keyhole 19.
  • the locking mechanism 12 also contains a drive mechanism (not shown) that converts rotation of the boss 17 into linear movement of the drive bars 11a, 11b such that rotation in one sense moves the drive bars 11a, 11b in respective directions from the mechanism 12 and reverse rotation of the boss 17 moves the drive bars 11a, 11b in respective opposite directions from the locking mechanism 12.
  • a drive mechanism (not shown) that converts rotation of the boss 17 into linear movement of the drive bars 11a, 11b such that rotation in one sense moves the drive bars 11a, 11b in respective directions from the mechanism 12 and reverse rotation of the boss 17 moves the drive bars 11a, 11b in respective opposite directions from the locking mechanism 12.
  • the upper and lower drive bars 11a, 11b are connected, at ends remote from the locking mechanism 12, to respective upper and lower latches 13a, 13b.
  • Each latch 13a, 13b includes a locking member 20a, 20b, such as a pivoting hook, that, when the upper and lower drive bars 11a, 11b move from the locking mechanism 12, move to respective locking positions and that, when the upper and lower drive bars 11a, 11b are moved the locking mechanism 12, are retracted from the locking position.
  • the drive bars 11a, 11b slide over a rear surface of the face bar 10.
  • Multi-point locking mechanisms of this general type are known and will not be described in detail.
  • the auxiliary lock 14 is connected to the face bar 10 by screws 21 (see Figure 3 ) that extend through respective slots 22 in the associated drive bar 11a to engage in threaded holes 23 in the auxiliary lock casing 24.
  • the auxiliary lock 14 is located on the face bar 10 at a position between the locking mechanism 12 and the upper latch 13a.
  • the casing 24 houses a locking mechanism that extends and retracts a bolt 25 under the control of a key inserted through a keyhole 26.
  • the auxiliary lock 14 is a key-operated lever deadbolt lock. Alternatives are possible as described below.
  • the face bar 10 is provided with a receiver in the form of a slot 27 aligned with the bolt 25 of the auxiliary lock 14.
  • the upper drive bar 11a is provided with a similar receiver in the form of a slot 28 between the screw slots 22.
  • the upper drive bar slot 28 is in alignment with the bolt 25 and the face bar slot 27 only when the upper drive bar 11a is in its extended locked position.
  • the slots 27, 28 are sized to receive the rectangular cross-section bolt 25.
  • the bolt 25 could have any required cross-section and, in that case, the receivers will be correspondingly shaped.
  • the multi-point locking system is mounted in an edge of a door (not shown), with the edge extending along a side of the door opposite the hinges.
  • the face bar 10 and the drive bars 11a, 11b may be fitted in a so-called Eurogroove extending along the edge face of the door.
  • Suitable cavities are provided for accommodating the locking mechanism 12, the latches 13a, 13b and the auxiliary lock 14.
  • the door is also provided with keyholes to allow access to the locking mechanism keyhole 19 and the auxiliary lock keyhole 26.
  • the associated door frame (not shown) is provided with appropriate keeps for receiving the retractable latch 16, the bolt 18 and the locking members 20a, 20b.
  • a square section spindle (not shown) is inserted through the boss 17 and handles (not shown) attached to each end of the drive rod in known fashion.
  • a handle can be rotated to move the upper and lower drive bars 11a, 11b from the locking mechanism 12 to extend the locking members 20a, 20b of the upper and lower latches 13a, 13b.
  • the receiver 28 in the upper drive bar 11a is in register with the bolt 25 of the auxiliary lock 14 and with the receiver 27 in the face bar 10.
  • the auxiliary locking mechanism 14 can be operated via a key to extend the bolt 25 through the receivers 27, 28. The effect of this is to prevent the upper drive bar 11a moving and since the upper drive bar 11a is connected to the lower bar 11b through the locking mechanism 12, it also prevents movement of the lower drive bar 11b.
  • the bolt 25 of the auxiliary lock 14 when fully extended, has a throw that allows it just to pass through the receivers 27, 28 without engaging the door frame so that the bolt 25 does not extend beyond or extend significantly beyond a face of the face bar remote from the drive bars 11a, 11b.
  • the throw may be 6mm.
  • the bolt 25 so provides just a connection between the upper drive bar 11a and the face bar 10 without the need for a keep in the frame for the bolt 25.
  • auxiliary lock 14 cooperates with the upper drive bar 11a, it could co-operate with the lower drive bar 11b. This might be useful if the door is for use by a disabled person. It would also be possible to include two auxiliary locks 14; one engaging with the upper drive bar 11a and the other engaging with the lower drive bar 11b. This would give maximum security.
  • the auxiliary lock 14 or auxiliary locks need not be a lever lock; could be cylinder locks or thumb turn locks. In this latter case, the lock will be operated manually and not by use of a key.
  • upper and lower drive bars 11a, 11b are shown, there need only be one drive bar.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)
EP09251111A 2008-05-28 2009-04-16 Mehrpunktverriegelungssystem Withdrawn EP2128362A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0809672.9A GB2460295B (en) 2008-05-28 2008-05-28 Multi-point locking systems

Publications (1)

Publication Number Publication Date
EP2128362A1 true EP2128362A1 (de) 2009-12-02

Family

ID=39616209

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09251111A Withdrawn EP2128362A1 (de) 2008-05-28 2009-04-16 Mehrpunktverriegelungssystem

Country Status (2)

Country Link
EP (1) EP2128362A1 (de)
GB (1) GB2460295B (de)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013016068A1 (en) * 2011-07-22 2013-01-31 Amesbury Group, Inc. Multi-point lock having sequentially-actuated locking elements
US8628126B2 (en) 2008-12-19 2014-01-14 Amesbury Group, Inc. High security lock for door
US8939474B2 (en) 2011-06-03 2015-01-27 Amesbury Group, Inc. Lock with sliding locking elements
EP2915937A1 (de) * 2014-03-04 2015-09-09 KALE Kilit ve Kalip Sanayi A.S. Sicherheitsschloss mit zusätzlicher Sicherheit
US9637957B2 (en) 2012-11-06 2017-05-02 Amesbury Group, Inc. Automatically-extending remote door lock bolts
US9765550B2 (en) 2012-08-31 2017-09-19 Amesbury Group, Inc. Passive door lock mechanisms
US9790716B2 (en) 2014-10-16 2017-10-17 Amesbury Group, Inc. Opposed hook sliding door lock
US9885200B2 (en) 2012-06-18 2018-02-06 Amesbury Group, Inc. Handle-actuated sliding door lock actuation assemblies
EP3511497A1 (de) * 2018-01-11 2019-07-17 Roto Frank Ag Treibstangenbeschlag für ein gebäudeverschlusselement, entsprechendes gebäudeverschlusselement sowie verfahren zum betreiben eines treibstangenbeschlags und verfahren zum montieren eines treibstangenbeschlags
US10662675B2 (en) 2017-04-18 2020-05-26 Amesbury Group, Inc. Modular electronic deadbolt systems
US10808424B2 (en) 2017-05-01 2020-10-20 Amesbury Group, Inc. Modular multi-point lock
US10968661B2 (en) 2016-08-17 2021-04-06 Amesbury Group, Inc. Locking system having an electronic deadbolt
US11066850B2 (en) 2017-07-25 2021-07-20 Amesbury Group, Inc Access handle for sliding doors
US11441333B2 (en) 2018-03-12 2022-09-13 Amesbury Group, Inc. Electronic deadbolt systems
US11661771B2 (en) 2018-11-13 2023-05-30 Amesbury Group, Inc. Electronic drive for door locks
US11834866B2 (en) 2018-11-06 2023-12-05 Amesbury Group, Inc. Flexible coupling for electronic deadbolt systems

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201111074D0 (en) * 2011-06-29 2011-08-10 Sapa Building Systems Ltd Multi-point locking systems
JP6587835B2 (ja) * 2015-06-08 2019-10-09 タキゲン製造株式会社 多点締め込み式ロックシステム及びこれを用いた防爆扉

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0408784A1 (de) * 1989-07-19 1991-01-23 Gebrüder Goldschmidt Baubeschläge Gesellschaft Mit Beschränkter Haftung Blockiervorrichtung für einen Drehkippbeschlag
FR2679953A1 (fr) * 1991-07-29 1993-02-05 Ferco Int Usine Ferrures Ferrure pour porte, fenetre ou analogue comprenant une cremone ou cremone-serrure et un dispositif de condamnation electrique.
GB2280474A (en) * 1993-07-29 1995-02-01 Accent Group Ltd Locking system for doors
EP0653533A1 (de) * 1993-11-12 1995-05-17 Wilhelm Weidtmann GmbH & Co. KG Schloss für eine schlüsselbetätigte Festsetzung der Treibstange des Beschlages eines Schiebe-Kipp-Fensters
DE29807860U1 (de) * 1998-05-01 1998-08-27 Berchtold, Reinhold, 87651 Bidingen Sicherheitsverriegelungseinrichtung für Türen o.dgl.
EP1113134A2 (de) * 1999-12-22 2001-07-04 Mila Hardware Limited Schlossmechanismus
WO2001079633A1 (fr) * 2000-04-14 2001-10-25 Henri Morel Procede de condamnation d'une serrure a larder multipoints
GB2449467A (en) * 2007-05-23 2008-11-26 Fullex Locks Ltd Locking apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771339A (en) * 1972-01-24 1973-11-13 E Smith Protective apparatus for door locks employing latch-rods
GB2225052A (en) * 1988-10-25 1990-05-23 Bayley Bryan Locking mechanism
DE9011216U1 (de) * 1990-07-31 1990-10-25 Gretsch-Unitas GmbH Baubeschläge, 7257 Ditzingen Tür mit Hauptschloß und Zusatzschloß
DE19607403A1 (de) * 1996-02-28 1997-09-04 Fliether Karl Gmbh & Co Treibstangenverschluß
CA2326478C (en) * 1999-11-22 2007-07-03 Truth Hardware Corporation Multi-point lock
US6282929B1 (en) * 2000-02-10 2001-09-04 Sargent Manufacturing Company Multipoint mortise lock

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0408784A1 (de) * 1989-07-19 1991-01-23 Gebrüder Goldschmidt Baubeschläge Gesellschaft Mit Beschränkter Haftung Blockiervorrichtung für einen Drehkippbeschlag
FR2679953A1 (fr) * 1991-07-29 1993-02-05 Ferco Int Usine Ferrures Ferrure pour porte, fenetre ou analogue comprenant une cremone ou cremone-serrure et un dispositif de condamnation electrique.
GB2280474A (en) * 1993-07-29 1995-02-01 Accent Group Ltd Locking system for doors
EP0653533A1 (de) * 1993-11-12 1995-05-17 Wilhelm Weidtmann GmbH & Co. KG Schloss für eine schlüsselbetätigte Festsetzung der Treibstange des Beschlages eines Schiebe-Kipp-Fensters
DE29807860U1 (de) * 1998-05-01 1998-08-27 Berchtold, Reinhold, 87651 Bidingen Sicherheitsverriegelungseinrichtung für Türen o.dgl.
EP1113134A2 (de) * 1999-12-22 2001-07-04 Mila Hardware Limited Schlossmechanismus
WO2001079633A1 (fr) * 2000-04-14 2001-10-25 Henri Morel Procede de condamnation d'une serrure a larder multipoints
GB2449467A (en) * 2007-05-23 2008-11-26 Fullex Locks Ltd Locking apparatus

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8628126B2 (en) 2008-12-19 2014-01-14 Amesbury Group, Inc. High security lock for door
US9758997B2 (en) 2008-12-19 2017-09-12 Amesbury Group, Inc. High security lock for door
US8939474B2 (en) 2011-06-03 2015-01-27 Amesbury Group, Inc. Lock with sliding locking elements
CN103827420A (zh) * 2011-07-22 2014-05-28 埃美斯博瑞集团有限公司 具有顺序驱动的锁定元件的多点锁
WO2013016068A1 (en) * 2011-07-22 2013-01-31 Amesbury Group, Inc. Multi-point lock having sequentially-actuated locking elements
US9428937B2 (en) 2011-07-22 2016-08-30 Amesbury Group, Inc. Multi-point lock having sequentially-actuated locking elements
CN103827420B (zh) * 2011-07-22 2017-05-24 埃美斯博瑞集团有限公司 具有顺序驱动的锁定元件的多点锁
US9885200B2 (en) 2012-06-18 2018-02-06 Amesbury Group, Inc. Handle-actuated sliding door lock actuation assemblies
US9765550B2 (en) 2012-08-31 2017-09-19 Amesbury Group, Inc. Passive door lock mechanisms
US9637957B2 (en) 2012-11-06 2017-05-02 Amesbury Group, Inc. Automatically-extending remote door lock bolts
WO2015132231A1 (en) * 2014-03-04 2015-09-11 Kale Kilit Ve Kalip Sanayii A.S. A safety lock with an additional security improvement
EP2915937A1 (de) * 2014-03-04 2015-09-09 KALE Kilit ve Kalip Sanayi A.S. Sicherheitsschloss mit zusätzlicher Sicherheit
EA030409B1 (ru) * 2014-03-04 2018-07-31 Кале Килит Ве Калип Санайи А.С. Замок с секретом с дополнительной повышенной степенью безопасности
US9790716B2 (en) 2014-10-16 2017-10-17 Amesbury Group, Inc. Opposed hook sliding door lock
US10968661B2 (en) 2016-08-17 2021-04-06 Amesbury Group, Inc. Locking system having an electronic deadbolt
US10662675B2 (en) 2017-04-18 2020-05-26 Amesbury Group, Inc. Modular electronic deadbolt systems
US11634931B2 (en) 2017-04-18 2023-04-25 Amesbury Group, Inc. Modular electronic deadbolt systems
US10808424B2 (en) 2017-05-01 2020-10-20 Amesbury Group, Inc. Modular multi-point lock
US11066850B2 (en) 2017-07-25 2021-07-20 Amesbury Group, Inc Access handle for sliding doors
EP3511497A1 (de) * 2018-01-11 2019-07-17 Roto Frank Ag Treibstangenbeschlag für ein gebäudeverschlusselement, entsprechendes gebäudeverschlusselement sowie verfahren zum betreiben eines treibstangenbeschlags und verfahren zum montieren eines treibstangenbeschlags
US11441333B2 (en) 2018-03-12 2022-09-13 Amesbury Group, Inc. Electronic deadbolt systems
US11834866B2 (en) 2018-11-06 2023-12-05 Amesbury Group, Inc. Flexible coupling for electronic deadbolt systems
US11661771B2 (en) 2018-11-13 2023-05-30 Amesbury Group, Inc. Electronic drive for door locks

Also Published As

Publication number Publication date
GB0809672D0 (en) 2008-07-02
GB2460295A (en) 2009-12-02
GB2460295B (en) 2013-01-02

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