WO2001044604A1 - A lock - Google Patents
A lock Download PDFInfo
- Publication number
- WO2001044604A1 WO2001044604A1 PCT/NZ2000/000253 NZ0000253W WO0144604A1 WO 2001044604 A1 WO2001044604 A1 WO 2001044604A1 NZ 0000253 W NZ0000253 W NZ 0000253W WO 0144604 A1 WO0144604 A1 WO 0144604A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lock
- actuation means
- deadbolted
- nominally
- bolt
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
- E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/0067—Monitoring
- E05B2047/0069—Monitoring bolt position
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0084—Key or electric means; Emergency release
- E05B2047/0086—Emergency release, e.g. key or electromagnet
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0084—Key or electric means; Emergency release
- E05B2047/0088—Key-operated switch
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
- E05B47/0003—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
- E05B47/0004—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being linearly movable
Definitions
- This invention relates to a lock.
- a lock In particular, but not exclusively, it relates to an electric lock that senses when the bolt is deadbolted or not and further relates to an electric lock which is configurable in a power to lock and power to unlock mode.
- Electric locks may include, as part of the locking mechanism a toggle, or similar device driven by a solenoid, whereby the lock becomes deadbolted once extended beyond a certain point.
- the bolt of the deadbolted lock can not then be pushed back into the lock manually by pushing on the bolt. Once the lock has become deadbolted, the lock is secure. Similarly, on retraction of the bolt, once the bolt has been retracted past a certain point, the lock becomes not deadbolted.
- the lock described in WO 99/34079 senses operation of the lock by means of a switch, which detects when the solenoid is actuated and the bolt extended. This provides an accurate measurement of whether the lock is deadbolted when the lock is in power to lock mode as the end of the actuation of the solenoid substantially corresponds to the deadbolting of the lock.
- the switch is only triggered when the bolt is mostly retracted. Therefore, accurate measurement of when the bolt changes to or from deadbolt state is not achieved in power to unlock mode. Accurate measurement of when the bolt is deadbolted or not, rather than when the lock has been substantially fully extended or retracted may be required for security purposes.
- a lock including a bolt, which is extendible and retractable to lock or unlock the lock respectively, the lock configurable as either nominally locked or nominally unlocked, wherein the lock is deadbolted when the bolt is extended beyond a certain extent and not deadbolted otherwise, the lock including: actuation means adapted to either retract the bolt when the lock is nominally locked or extend the bolt when the lock is nominally unlocked by moving from a first to a second position, sensing means to sense, in use, a transition when the lock changes to or from being deadbolted.
- the sensing means may detect the position of the actuation means.
- the sensing means may be configurable to detect either when the actuation means is in a third or a fourth position, wherein the third and fourth position correspond to the transition between the lock being deadbolted or not deadbolted, when the lock is nominally locked or nominally unlocked respectively.
- the actuation means may be electronically controlled and more preferably, the actuation means includes a solenoid.
- the lock may include a further actuation means adapted to unlock the lock independent of the operation of the actuation means.
- the lock may include a further sensing means to sense, in use, whether the lock has been operated by the actuation means or by the further actuation means.
- the further actuation means may unlock the lock by mechanically moving the actuation means when the lock is nominally locked, wherein the further actuation means may be reconfigured corresponding to whether the lock is nominally locked or nominally unlocked so that the mechanical operation of the further actuation means to move the actuation means is disabled when the further actuation means is configured corresponding to when the lock is nominally unlocked.
- the further actuation means may include a removable control member, which in use engages with the actuation means to unlock the lock, wherein the control member is removed when the lock is configured as nominally unlocked.
- the lock may include a controller operable, in use, to unlock the lock when the lock is configured as nominally unlocked by ceasing or interrupting a supply of power to the actuation means on detection by the further sensing means of the actuation of the further actuation means.
- the sensing means may include a single sensor, wherein the sensor is locatable in a first and a second position to sense when the actuation means is either in the third or the fourth position respectively.
- the actuation means may include a sensing means engagement portion locatable in a first and a second position to engage with the sensing means when the actuation means is in the third or fourth position respectively.
- the sensing means may include two sensors or sensing areas, one adapted to sense when the actuation means is in the third position and one to sense when the actuation means is in the fourth position.
- the sensing means and/or further sensing means may include at least one switch.
- the lock may include a protrusion extending from the actuation means, wherein the sensing means senses the position of the protrusion.
- the protrusion may be locatable in two positions along the axis along which the actuation means moves to retract or extend the bolt
- the actuation means may include a first and a second engagement portion adapted to engage said protrusion, the first and second engagement portions located to position the protrusion so that the sensing means is operated by the protrusion to detect the transition of the lock to or from being deadbolted when the lock is configured as nominally locked or nominally unlocked respectively.
- the first and second engagement portions may be located on a rod extending along the axis that the actuation means moves to retract or extend the bolt and the protrusion may be a cam or e-clip.
- the lock may include communication means to communicate when the lock changes to or from being deadbolted to a receiver and more preferably, the communication means may also be adapted to communicate whether the lock was unlocked by the actuation means or further actuation means.
- a method of detecting when a lock is deadbolted including a bolt extendible and retractable by a bolt actuation means moving between a first and second position to lock and unlock the lock respectively, wherein the lock is deadbolted when the bolt is extended beyond a certain extent and not deadbolted otherwise, and wherein the lock is configurable as either nominally locked or nominally unlocked, the method including providing a sensing means and locating the sensing means to sense when the lock is in a transition of being deadbolted or not deadbolted and using an output from the sensing means to detect when the lock is deadbolted.
- the method may include locating the sensing means to sense when the bolt actuation means is in a position corresponding to the transition of the lock between being deadbolted and not deadbolted.
- the method may include communicating a change in the state of the lock to or from being deadbolted to a supervisor or controller.
- the method may include changing the position and/or orientation of the sensing means between two positions when reconfiguring the lock to detect either when the actuation means is in a third position corresponding to a transition of the lock to or from being deadbolted when the lock is nominally locked or in a fourth position corresponding to a transition of the lock to or from being deadbolted when the lock is nominally unlocked.
- the method may include changing the sensed portion of the actuation means sensed by the sensing means from a first to a second location when reconfiguring the lock to reduce or minimise the change in location of the sensing means.
- the first and second locations may be displaced along an axis of movement of the actuation means.
- the method may further include providing at least one switch as the sensing means.
- Figure 1 Shows a perspective view of an electric lock in power to unlock mode according to one aspect of the present invention.
- Figure 2 Shows a second perspective view of an electric lock in power to unlock mode according to one aspect of the present invention.
- Figures 3A-D Show schematic representations of a side view of the lock during remote operation in power to unlock mode.
- Figures 4A-D Show schematic representations of a side view of the lock during override operation in power to unlock mode.
- Figures 5A-D Show schematic representations of a side view of the lock during remote operation in power to lock mode.
- the lock includes actuation means including a faceplate 2 through which a bolt 3. housed within housing 20 may protrude to engage with a strike plate (not shown).
- the lock 1 includes an electric actuator 4 contained within and supported by a housing 5, a connecting rod 6 and pivotal link 7 (see Figure 2) acting between the electric actuator 4 and the bolt 3.
- the pivotal link 7 pivots about a fixed pivot 8, thereby extending and retracting the bolt 3 depending on the direction of rotation of the pivotal link 7.
- a solenoid rod pin 16 extends from the actuator 4 and out of the housing 5.
- a cam or e-clip 9 is attached to the rod pin 16 and a first switch 10 is positioned so as to be switched by the e-clip 9 as it moves towards or away from the switch 10.
- any other sensing means may be used instead of the switch 10 including, but not limited to proximity sensors, magnetic sensors and optical sensors.
- the e-clip 9 may be replaced by any appropriate protrusion or other part or device detectable by the sensing means.
- a second actuator or control means 11 in this embodiment a keyway, is mounted at a distal end of a chassis 12, which includes a pin or control member 13 near its end.
- the control member 13 controls the movement of the actuator 4 through the engagement means 14.
- the actuator 4 is moved in direction A, thereby retracting the bolt 3.
- a suitable housing 17 is provided to support the control means 11.
- the chassis 12 includes a protrusion 18 which engages with a second switch 19.
- the second switch 19 senses when the control means 1 1 is used to operate the lock 1 and also allows electrical override of the lock 1 as described later herein.
- FIG. 2 shows a second perspective view of the lock 1.
- the connecting rod 6 and pivotal link 7 are pivotally connected by a connecting pivot 15. It will be appreciated by those skilled in the engineering arts that the action of the actuator 4, connecting rod 6 and pivotal link 7 causes the bolt to become deadbolted once it is extended beyond a certain point. Before that point, the bolt 3 may be retracted back into faceplate 2 by pushing the end of bolt 3. Therefore, for security reasons it may be required to sense when the lock becomes deadbolted and when it becomes not deadbolted.
- Figures 3A-D show the remote operation of the lock by controlling actuator 4 in nominally locked or power to unlock mode.
- the bolt 3 is fully extended and actuator 4 is in a first or nominal position.
- actuator 4 has moved slightly in direction A and e-clip 9 has moved sufficiently to change the state of switch 10. This position corresponds to the transition of the bolt 3 becoming not deadbolted.
- Figures 3C and 3D show the acutator 4 moving fully in direction A, thereby fully retracting bolt 3.
- switch 19 does not change state, indicating that the operation of the lock has been caused by the operation of actuator 4.
- FIG 4A the bolt 3 is fully extended and actuator 4 is in a first or nominal position.
- Figure 4B the control means 11 has been rotated, moving the chassis 12 and control member 13 to the left and hence moving the actuator 4 to the left and slightly retracting the bolt 3.
- Figure 4B illustrates the position of the bolt 3 when the lock makes the transition from being deadbolted to not deadbolted. Therefore, to detect this change in status, the switch 10 and e-clip 9 are positioned so that the state of the switch 10 is changed at this point. At substantially the same point, protrusion 18 causes switch 19 to change state. By sensing the state of switch 19, indication that the lock 1 has been unlocked by control means 1 1 is given.
- Figures 4C and 4D show the bolt 3 being further retracted until the actuation means has moved to a second position and the bottom of the bolt lies flush or above the faceplate 2.
- the switch 10 will change state again at the point where the lock becomes deadbolted. Therefore, the switch 10 provides an effective means of sensing when the lock is deadbolted.
- switch 19 indicates when the control means 1 1 is used to lock the lock 1.
- the switch 10 is reversed to face to the right and the e-clip 9 is repositioned along the solenoid rod pin 16 (see Figure 5).
- Switch 19 remains in the same position.
- Two recesses 21, 22 are provided in the rod pin 16 to position and hold the e- clip 9, recess 21 used when the lock 1 is configured as power to unlock and recess 22 used when the lock 1 is configured as power to lock.
- the housing 5 provides support for the rod pin 16 to help prevent the rod pin 16 being bent during the repositioning of e-clip 9.
- the actuator 4 is shown in the first position, which would correspond to the nominal position of a solenoid, and the bolt 3 is fully retracted.
- the bolt 3 is extended out from the faceplate 2 until it reaches the transition where the lock 1 becomes deadbolted. This transition corresponds to the position shown in Figure 5C.
- the actuator 4 is in a position whereby the e-clip 9 is in contact with switch 10 and the state of the switch 10 is changed.
- Control means 1 1 may also be used in this configuration to retract the bolt 3.
- the override mechanism In power to lock mode, the override mechanism is electrical rather than mechanical. Therefore, the control member 13 is removed to avoid it stopping the lock 1 from becoming unlocked when the electrical override is operated.
- the control member 13 may be stored within the lock 1 in any appropriate position, and may for example, be screwed into the housing 5.
- the switch 10 senses the moment the lock 1 changes to either become deadbolted or not deadbolted.
- the switch 10 may be connected to a communication means which could signal a controller or supervisor that the status of the lock 1 has changed.
- the switch 19 indicates whether the lock has been operated by control means 11.
- a controller may be signalled regarding the status of the lock 1 , or the controller may interrogate the lock 1 or directly interrogate the status of the switch 10 in order to ascertain whether the lock 1 is in a deadbolted state. If after an attempt to lock or unlock the lock 1 , switch 10 does not indicate a change in status of the lock 1 to or from being deadbolted, the controller may attempt to lock or unlock the lock 1 after a predetermined delay.
- an alarm may sound or a communication sent to a supervisor.
- the controller may be located on the lock 1 , local to the lock 1 or at a central location. The controller may be in communication and control one or a plurality of locks 1.
- two sensing means or a sensing means capable of sensing two positions of the e-clip may be used instead of repositioning switch 10.
- switches 10 In the case of two switches 10 being used, one may be positioned in each location shown in Figures 3 and 5. Of course space considerations may require an alternative sensing means from the switch shown Figures 3 and 5.
- a function selector for example a jumper may determine which switch 10 is active, depending on whether the lock is configured in a power to lock or power to unlock mode. If one e-clip 9 is used, it is repositioned depending on the required configuration of the lock. Of course, if two e-clips 9 are used, they will not need to be moved and can be permanently secured to the solenoid rod pin 8.
- a first switch 10 or other sensing means may be positioned as shown in Figure 3 and a second switch (not shown) positioned towards direction A from the first switch and is oriented in the opposite direction.
- a single e-clip 9 or equivalent device is required and the e-clip does not need to be moved.
- the first switch 10 is used to sense the transition to and from deadbolt when the lock 1 is in power to unlock mode and the second switch is used to sense when the lock is in power to lock mode.
- a lock 1 which can sense the transition between when the lock 1 is deadbolted or not and how the lock was operated, either by electronic remote control or override by local control means. This information can be used, for example, to notify a central supervisor or controller, set off an alarm, or create a record in log. It is envisaged that the lock 1 will have particular application in situations when security is important.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lock And Its Accessories (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU24132/01A AU784880B2 (en) | 1999-12-17 | 2000-12-18 | A lock |
NZ519533A NZ519533A (en) | 1999-12-17 | 2000-12-18 | A lock |
DE10085310T DE10085310T1 (en) | 1999-12-17 | 2000-12-18 | Lock |
HK04100625A HK1057912A1 (en) | 1999-12-17 | 2004-01-30 | A lock |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ501900 | 1999-12-17 | ||
NZ50190099 | 1999-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001044604A1 true WO2001044604A1 (en) | 2001-06-21 |
Family
ID=19927685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NZ2000/000253 WO2001044604A1 (en) | 1999-12-17 | 2000-12-18 | A lock |
Country Status (6)
Country | Link |
---|---|
CN (1) | CN1246559C (en) |
AU (1) | AU784880B2 (en) |
DE (1) | DE10085310T1 (en) |
HK (1) | HK1057912A1 (en) |
TW (1) | TW414826B (en) |
WO (1) | WO2001044604A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1870545A2 (en) * | 2006-06-22 | 2007-12-26 | Anselmi, Enzo | Self-locked and self-retained safety electrolock |
GB2551976A (en) * | 2016-06-30 | 2018-01-10 | Gianni Ind Inc | Electric lock device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106246008B (en) * | 2016-08-31 | 2019-07-12 | 宁波明太医疗器械有限公司 | A kind of locking device for door-lock of sterilizer |
US20230147481A1 (en) * | 2021-11-09 | 2023-05-11 | Frameless Hardware Company Llc | Magnetic door lock control system and method |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2050486A (en) * | 1979-05-22 | 1981-01-07 | Nat Res Dev | Lock with Door-opening Restrictor |
US4691542A (en) * | 1982-06-30 | 1987-09-08 | Southern Steel Company | Door locking system |
EP0482786A1 (en) * | 1990-10-24 | 1992-04-29 | Abloy Security Ltd. Oy | Electromechanical door lock |
AU2212892A (en) * | 1991-09-09 | 1993-03-11 | Solvay (Societe Anonyme) | Process for manufacturing a mixed oxide powder and its use to obtain a powder intended for the manufacture of electric capacitors and resistors |
AU8048294A (en) * | 1991-09-05 | 1995-02-16 | Assa Abloy Australia Pty Limited | Deadlock monitoring |
GB2285479A (en) * | 1994-01-07 | 1995-07-12 | Fox Thomas Co Ltd | An electrically operated lock |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU657349C (en) * | 1991-09-05 | 2006-02-09 | Assa Abloy Australia Pty Limited | Remote controlled lock |
-
1999
- 1999-12-20 TW TW88122442A patent/TW414826B/en not_active IP Right Cessation
-
2000
- 2000-12-18 CN CN 00817249 patent/CN1246559C/en not_active Expired - Fee Related
- 2000-12-18 WO PCT/NZ2000/000253 patent/WO2001044604A1/en active IP Right Grant
- 2000-12-18 DE DE10085310T patent/DE10085310T1/en not_active Withdrawn
- 2000-12-18 AU AU24132/01A patent/AU784880B2/en not_active Ceased
-
2004
- 2004-01-30 HK HK04100625A patent/HK1057912A1/en not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2050486A (en) * | 1979-05-22 | 1981-01-07 | Nat Res Dev | Lock with Door-opening Restrictor |
US4691542A (en) * | 1982-06-30 | 1987-09-08 | Southern Steel Company | Door locking system |
EP0482786A1 (en) * | 1990-10-24 | 1992-04-29 | Abloy Security Ltd. Oy | Electromechanical door lock |
AU8048294A (en) * | 1991-09-05 | 1995-02-16 | Assa Abloy Australia Pty Limited | Deadlock monitoring |
AU2212892A (en) * | 1991-09-09 | 1993-03-11 | Solvay (Societe Anonyme) | Process for manufacturing a mixed oxide powder and its use to obtain a powder intended for the manufacture of electric capacitors and resistors |
GB2285479A (en) * | 1994-01-07 | 1995-07-12 | Fox Thomas Co Ltd | An electrically operated lock |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1870545A2 (en) * | 2006-06-22 | 2007-12-26 | Anselmi, Enzo | Self-locked and self-retained safety electrolock |
EP1870545A3 (en) * | 2006-06-22 | 2013-02-27 | Enzo Anselmi | Self-locked and self-retained safety electrolock |
GB2551976A (en) * | 2016-06-30 | 2018-01-10 | Gianni Ind Inc | Electric lock device |
Also Published As
Publication number | Publication date |
---|---|
TW414826B (en) | 2000-12-11 |
CN1246559C (en) | 2006-03-22 |
HK1057912A1 (en) | 2004-04-23 |
CN1433497A (en) | 2003-07-30 |
DE10085310T1 (en) | 2002-12-05 |
AU2413201A (en) | 2001-06-25 |
AU784880B2 (en) | 2006-07-20 |
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