EP3126596B1 - Electric lock - Google Patents
Electric lock Download PDFInfo
- Publication number
- EP3126596B1 EP3126596B1 EP14732425.5A EP14732425A EP3126596B1 EP 3126596 B1 EP3126596 B1 EP 3126596B1 EP 14732425 A EP14732425 A EP 14732425A EP 3126596 B1 EP3126596 B1 EP 3126596B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric lock
- toothed wheel
- knob
- lock according
- switch
- 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.)
- Active
Links
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Classifications
-
- 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
- E05B63/04—Locks or fastenings with special structural characteristics for alternative use on the right-hand or left-hand side of wings
-
- 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
- E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
- E05B47/0676—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0032—Locks or fastenings for special use for hotel rooms
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
- E05B1/003—Handles pivoted about an axis perpendicular to the wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/0053—Other details of locks; Parts for engagement by bolts of fastening devices means providing a stable, i.e. indexed, position of lock parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/10—Illuminating devices on or for locks or keys; Transparent or translucent lock parts; Indicator lights
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
- E05B2001/0076—The handle having at least two operating positions, e.g. the bolt can be retracted by moving the handle either upwards or downwards
-
- 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
- E05B2047/005—Opening, closing of the circuit
- E05B2047/0053—Opening, closing of the circuit by operating the handle
-
- 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
- E05B2047/0071—Connecting lockparts by electronic communication means only, e.g. bus systems, time multiplexing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B41/00—Locks with visible indication as to whether the lock is locked or unlocked
Definitions
- the present invention relates to an electric lock.
- the component is generally a card that can contain a microprocessor or be provided with a magnetic strip: in any case its purpose is to store a code associated with the lock to be actuated.
- the door protected with this type of lock, has in general, on the inner side, a first handle associated with a respective spring latch, which always allows the door to be opened from the inside.
- a second handle On the outer side, there is a second handle, which is also associated with a respective spring latch, and a reader that is capable of engaging with the codified component in the user's possession, in order to receive its authorization and enable this second handle and thus the movement of the spring latch.
- Doors provided with electronic locks thus have, generally, on the inner side, a knob, which is capable of disabling the second handle which is outside the door, so that it is possible to prevent access to the room by the service staff, or by anyone who has an accredited codified key.
- the devices that make it possible to disable the second, outer handle of the door are generally complex and are constituted by a plurality of components, with consequent higher probability of malfunctioning that, moreover, involves high maintenance costs, because of the need to disassemble and reassemble the various parts, which are often small.
- WO 89/04413 A1 discloses an operating mechanism for a lock of the type comprising a rotatable operating member and a lock member comprises a primary drive gear arranged to be rotated by rotation of the operating member, a driven gear for connection to the lock member, and a transfer gear for transmitting rotary motion from the drive gear to the driven gear.
- the transfer gear is mounted on a corner plate which rotates with the drive gear when an electromagnet is energised to bring the transfer gear into mesh with the driven gear.
- the aim of the present invention is to solve the above-mentioned drawbacks, by providing an electric lock that is constituted by a reduced number of components.
- an object of the invention is to provide an electric lock that is highly versatile.
- Another object of the present invention is to provide an electric lock which is low-cost, easily and practically implemented and safe in application.
- the reference numeral 1 generally designates an electric lock provided, on the inner side, with a first handle 2 and with a knob 3.
- the lock On the outer side, the lock is provided with a second handle and with an assembly for reading a codified key.
- Such key is generally a card or pass on which, according to different methods, a code associated with the lock to be actuated, is stored.
- the card can be provided with a microprocessor, or a bar code, or be provided with a magnetic strip.
- the user by swiping or inserting the codified key in an adapted seat, or simply by bringing it in the proximity of the reading assembly, enables the second handle, and as a consequence the spring latch, thus gaining access to the room.
- Such second handle is associated with a respective spring latch, and means of mutual decoupling 4 are interposed between the handle and the spring latch.
- the electric lock 1 comprises a main body 5 provided with a seat 6 for the rotatable accommodation of a transverse shank 7 of the knob 3.
- the decoupling means 4 comprise a contoured disk 8 which is integral with the knob 3, an idle toothed wheel 9 that is provided with a lower profiled plate 10 that constitutes a cam, and a switch 11 facing the edge 12 of the plate 10.
- the contoured disk 8 comprises a toothing 13 that is distributed over a predefined angle and is coupled removably with respective recesses 14 of the toothed wheel 9.
- the rotation of the knob 3 by the user who is inside the room thus causes the rotation of the disk 8 with consequent entrainment of the toothed wheel 9, limited to the predefined angle of the toothing 13, and orientation of the plate 10 that corresponds to its interference with the button 15 of the switch 11.
- the user in order to actuate the switch 11 and prevent access to the room by the service staff, or by anyone who has an accredited codified key, can rotate the knob 3 in both directions, obtaining in any case the necessary coupling between the disk 8 and the toothed wheel 9, and orienting the plate 10 so that it can interfere with the button 15 of the switch 11.
- the contoured disk 8 can be provided with at least two teeth 16 that are arranged over a predefined angle and are coupled removably with respective recesses 14 of the toothed wheel 9.
- the lock 1, according to the invention, can comprise a dynamometric locking device 17 to prevent the accidental rotation of the toothed wheel 9.
- Such device thus prevents an unforeseen rotation, for example owing to the action of the force of gravity on the toothed wheel 9 or on a component connected thereto, such as the knob 3, from causing the actuation of the switch 11, and the consequent inability of the user to access the room.
- the locking device 17 can comprise a pin 18 that is elastically forced on the recesses 14 of the toothed wheel 9 by way of a spring 19 that has an axial action.
- the elastic action of the spring 19 thus causes the locking of the wheel 9 at applied moments of an intensity lower than a preset value.
- the switch 11 is controlled by a mechanical actuator that decouples the second handle from the spring latch.
- the plate 10 has a shape that is preferably selected from an ellipsoid, a shape with an eccentric circumference, and the like.
- the mechanical actuator which decouples the second handle from the spring latch, can be controlled by the assembly for reading a codified key.
- the switch 11 disables the reading assembly.
- the reading assembly cannot disable the mechanical actuator, and thus access to the room by the service staff, or by anyone who has an accredited codified key, is in this manner prevented.
- the lock 1 can comprise a signaling device, that can emit a light beam of differing preset color depending on whether the switch is engaged or otherwise.
- the user once inside the room, when he or she needs to prevent access thereto by other people, rotates the knob 3, in one direction or the other, until the signaling device emits a light beam of a different and preset color.
- the electric lock 1 is constituted by a reduced number of components.
- the electric lock 1, according to the invention is highly versatile.
- the lock 1 can be mounted without any modification or adaptation being necessary.
- the knob 3 can rotate in both directions, thus ensuring in any case the necessary coupling between the disk 8 and the toothed wheel 9, and orienting the plate 10 so that it can interfere with the button 15 of the switch 11.
- the materials employed may be any according to requirements and to the state of the art.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
Description
- The present invention relates to an electric lock.
- In buildings for communities, such as hotels, residences and office buildings for conferences and meetings, the use is known of electrically-actuated locks, which involve the use of a component provided with a code, as an access key.
- The component is generally a card that can contain a microprocessor or be provided with a magnetic strip: in any case its purpose is to store a code associated with the lock to be actuated.
- The door, protected with this type of lock, has in general, on the inner side, a first handle associated with a respective spring latch, which always allows the door to be opened from the inside.
- On the outer side, there is a second handle, which is also associated with a respective spring latch, and a reader that is capable of engaging with the codified component in the user's possession, in order to receive its authorization and enable this second handle and thus the movement of the spring latch.
- In hotels and in commercial premises, however, the service staff are often provided with universal keys that are capable of opening all doors (in order to carry out cleaning work and the like).
- Doors provided with electronic locks thus have, generally, on the inner side, a knob, which is capable of disabling the second handle which is outside the door, so that it is possible to prevent access to the room by the service staff, or by anyone who has an accredited codified key.
- In particular, by rotating the knob in the direction for closing the door the handle is disabled, and in opposite direction the handle is re-enabled.
- This implies that, depending on the direction in which the door is mounted (whether it opens to the right or to the left), two different models of electronic locks or knobs must be provided.
- Furthermore, the devices that make it possible to disable the second, outer handle of the door are generally complex and are constituted by a plurality of components, with consequent higher probability of malfunctioning that, moreover, involves high maintenance costs, because of the need to disassemble and reassemble the various parts, which are often small.
-
WO 89/04413 A1 - The aim of the present invention is to solve the above-mentioned drawbacks, by providing an electric lock that is constituted by a reduced number of components.
- Within this aim, an object of the invention is to provide an electric lock that is highly versatile.
- Another object of the present invention is to provide an electric lock which is low-cost, easily and practically implemented and safe in application.
- In accordance with the invention, there is provided an electric lock as defined in the appended claims.
- Further characteristics and advantages of the invention will become more apparent from the description of a preferred, but not exclusive, embodiment of the electric lock according to the invention, which is illustrated by way of non-limiting example in the accompanying drawings wherein:
-
Figure 1 is a perspective view of the electric lock according to the invention; -
Figure 2 is a perspective view of the electric lock, according to the invention, without a covering element; -
Figure 3 is a perspective view from the left of the means of mutual decoupling of the electric lock, according to the invention; -
Figure 4 is a perspective view from the right of the means of mutual decoupling of the electric lock, according to the invention; -
Figure 5 is a front elevation view of the means of mutual decoupling of the electric lock, according to the invention. - With reference to the figures, the
reference numeral 1 generally designates an electric lock provided, on the inner side, with afirst handle 2 and with aknob 3. - On the outer side, the lock is provided with a second handle and with an assembly for reading a codified key.
- Such key is generally a card or pass on which, according to different methods, a code associated with the lock to be actuated, is stored.
- The card can be provided with a microprocessor, or a bar code, or be provided with a magnetic strip.
- The user, by swiping or inserting the codified key in an adapted seat, or simply by bringing it in the proximity of the reading assembly, enables the second handle, and as a consequence the spring latch, thus gaining access to the room.
- In the accompanying figures only the inner side of the
lock 1 is shown, the outer side being mirror-symmetrical to the inner side, differing only in the presence of the reading assembly and the lack of theknob 3. - Such second handle is associated with a respective spring latch, and means of
mutual decoupling 4 are interposed between the handle and the spring latch. - According to the invention, the
electric lock 1 comprises amain body 5 provided with aseat 6 for the rotatable accommodation of atransverse shank 7 of theknob 3. - In particular, the decoupling means 4 comprise a contoured
disk 8 which is integral with theknob 3, an idletoothed wheel 9 that is provided with a lower profiledplate 10 that constitutes a cam, and aswitch 11 facing theedge 12 of theplate 10. - The contoured
disk 8 comprises atoothing 13 that is distributed over a predefined angle and is coupled removably withrespective recesses 14 of thetoothed wheel 9. - The rotation of the
knob 3 by the user who is inside the room thus causes the rotation of thedisk 8 with consequent entrainment of thetoothed wheel 9, limited to the predefined angle of thetoothing 13, and orientation of theplate 10 that corresponds to its interference with thebutton 15 of theswitch 11. - Thus the user, in order to actuate the
switch 11 and prevent access to the room by the service staff, or by anyone who has an accredited codified key, can rotate theknob 3 in both directions, obtaining in any case the necessary coupling between thedisk 8 and thetoothed wheel 9, and orienting theplate 10 so that it can interfere with thebutton 15 of theswitch 11. - According to a specific embodiment of undoubted applicative interest, which is shown in the accompanying
Figures 3 ,4 and5 , the contoureddisk 8 can be provided with at least twoteeth 16 that are arranged over a predefined angle and are coupled removably withrespective recesses 14 of thetoothed wheel 9. - The
lock 1, according to the invention, can comprise adynamometric locking device 17 to prevent the accidental rotation of thetoothed wheel 9. - Such device thus prevents an unforeseen rotation, for example owing to the action of the force of gravity on the
toothed wheel 9 or on a component connected thereto, such as theknob 3, from causing the actuation of theswitch 11, and the consequent inability of the user to access the room. - It should be noted that the
locking device 17 can comprise apin 18 that is elastically forced on therecesses 14 of thetoothed wheel 9 by way of aspring 19 that has an axial action. - The rotation of the
toothed wheel 9 by way of the action of theknob 3 thus causes the retraction of thepin 18 from arecess 14, bypassing of thetooth 20, and insertion in asuccessive recess 14. - The elastic action of the
spring 19 thus causes the locking of thewheel 9 at applied moments of an intensity lower than a preset value. - More specifically, the
switch 11 is controlled by a mechanical actuator that decouples the second handle from the spring latch. - In this manner, anyone outside, after the reading and recognition of the codified key by the reading assembly, who tries to lower the handle will not succeed in opening the door, and thus in accessing the room.
- In particular, the
plate 10 has a shape that is preferably selected from an ellipsoid, a shape with an eccentric circumference, and the like. - The mechanical actuator, which decouples the second handle from the spring latch, can be controlled by the assembly for reading a codified key.
- According to an embodiment of particular practical and applicative interest, the
switch 11 disables the reading assembly. - As a consequence, even if the codified key is correctly read, the reading assembly cannot disable the mechanical actuator, and thus access to the room by the service staff, or by anyone who has an accredited codified key, is in this manner prevented.
- Furthermore, the
lock 1 according to the invention can comprise a signaling device, that can emit a light beam of differing preset color depending on whether the switch is engaged or otherwise. - The user, once inside the room, when he or she needs to prevent access thereto by other people, rotates the
knob 3, in one direction or the other, until the signaling device emits a light beam of a different and preset color. - In this manner, the user will immediately be aware of the condition of access to the room.
- Advantageously, the
electric lock 1 is constituted by a reduced number of components. - Conveniently the
electric lock 1, according to the invention, is highly versatile. - In fact, independently of the direction in which the door is mounted (whether it opens to the right or to the left), the
lock 1 can be mounted without any modification or adaptation being necessary. - The
knob 3 can rotate in both directions, thus ensuring in any case the necessary coupling between thedisk 8 and thetoothed wheel 9, and orienting theplate 10 so that it can interfere with thebutton 15 of theswitch 11. - The invention, thus conceived, is susceptible of numerous modifications and variations, all of which are within the scope of the appended claims. Moreover, all the details may be substituted by other, technically equivalent elements as long as they are defined by the appended claims.
- In the embodiments illustrated, individual characteristics shown in relation to specific examples may in reality be interchanged with other, different characteristics, existing in other embodiments.
- In practice, the materials employed, as well as the dimensions and the shapes, may be any according to requirements and to the state of the art.
- Where the technical features mentioned in any claim are followed by reference numerals and/or signs, those reference numerals and/or signs have been included for the sole purpose of increasing the intelligibility of the claims and accordingly, such reference numerals and/or signs do not have any limiting effect on the interpretation of each element identified by way of example by such reference numerals and/or signs.
Claims (8)
- An electric lock provided on the inner side with a first handle (2) and with a knob (3), and on the outer side with a second handle and with an assembly for reading a codified key, interposed between said second handle and a said spring latch means of mutual decoupling (4) being provided, a main body (5) provided with a seat (6) for the rotatable accommodation of a transverse shank (7) of said knob (3), said decoupling means (4) comprising a contoured disk (8), an idle toothed wheel (9), said contoured disk (8) comprising a toothing (13) that is distributed over a predefined angle and is removably coupled with respective recesses (14) in said toothed wheel (9), the electric lock being characterized in that said contoured disk (8) is integral with said knob (3), said toothed wheel (9) being provided with a lower profiled plate (10) that constitutes a cam, and the lock further comprising a switch (11) facing an edge (12) of said plate (10), the rotation of said knob (3) determining the rotation of said disk (8), with consequent entrainment of said toothed wheel (9), limited to the predefined angle of said toothing (13), and orientation of said plate (10) corresponding to its interference with a button (15) of said switch (11), wherein said switch (11) disables said reading assembly.
- The electric lock according to claim 1, characterized in that said contoured disk (8) is provided with at least two teeth (16) that are arranged at a predefined angle and are removably coupled with respective recesses (14) of said toothed wheel (9).
- The electric lock according to claim 1, characterized in that it comprises a dynamometric locking device (17) to prevent the accidental rotation of said toothed wheel (9).
- The electric lock according to claim 3, characterized in that said dynamometric locking device (17) comprises a pin (18) that is elastically forced on said recesses (14) of said toothed wheel (9) by way of a spring (19) that has an axial action, the rotation of said wheel (9) by means of the action of said knob (3) causing the retraction of said pin (18) from a recess (14), bypassing of the tooth (20), and insertion in a successive recess (14), the elastic action of said spring (19) causing the locking of said wheel (9) with applied moments of intensity lower than a preset value.
- The electric lock according to one or more of the preceding claims, characterized in that said switch (11) is controlled by a mechanical actuator that decouples said second handle from said spring latch.
- The electric lock according to one or more of the preceding claims, characterized in that said plate (10) has a shape that is preferably selected from an ellipsoid, a shape with an eccentric circumference, and the like.
- The electric lock according to claim 5, characterized in that said actuator is controlled by said assembly for reading a codified key.
- The electric lock according to one or more of the preceding claims, characterized in that it comprises, on the inner side, a signaling device, said signaling device emitting a light beam of differing preset color depending on whether said switch (11) is engaged or otherwise.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2014/000092 WO2015151121A1 (en) | 2014-04-02 | 2014-04-02 | Electric lock |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3126596A1 EP3126596A1 (en) | 2017-02-08 |
EP3126596B1 true EP3126596B1 (en) | 2019-06-26 |
Family
ID=50981787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14732425.5A Active EP3126596B1 (en) | 2014-04-02 | 2014-04-02 | Electric lock |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3126596B1 (en) |
WO (1) | WO2015151121A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111236743A (en) * | 2020-02-21 | 2020-06-05 | 中国商用飞机有限责任公司 | Locking mechanism for handle |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8726106D0 (en) * | 1987-11-06 | 1987-12-09 | Uniqey Holdings Ltd | Lock operating mechanism |
AU3259689A (en) * | 1988-04-07 | 1989-10-12 | Efco Manufacturing Company Pty. Ltd., The | An improved door lock assembly |
US5198643A (en) * | 1991-02-26 | 1993-03-30 | Computerized Security Systems, Inc. | Adaptable electronic key and lock system |
CA2332682A1 (en) * | 2000-01-31 | 2001-07-31 | Pierre Doyon | Override mechanism for unlocking an electronic door lock |
US20010010166A1 (en) * | 2000-01-31 | 2001-08-02 | Christian Doucet | Override mechanism for unlatching an electronic door lock |
AU2004240257C1 (en) * | 2004-12-22 | 2013-12-19 | Assa Abloy Australia Pty Limited | A Multimode Lock with a Visual Indicator to the Selected Mode |
-
2014
- 2014-04-02 EP EP14732425.5A patent/EP3126596B1/en active Active
- 2014-04-02 WO PCT/IT2014/000092 patent/WO2015151121A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
None * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111236743A (en) * | 2020-02-21 | 2020-06-05 | 中国商用飞机有限责任公司 | Locking mechanism for handle |
CN111236743B (en) * | 2020-02-21 | 2021-04-20 | 中国商用飞机有限责任公司 | Locking mechanism for handle |
Also Published As
Publication number | Publication date |
---|---|
EP3126596A1 (en) | 2017-02-08 |
WO2015151121A1 (en) | 2015-10-08 |
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