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EP0129042A2 - Verfahren zur Modifizierung eines mit einer Falle oder einem schlüsselbetätigten Schloss ausgerüsteten Verschlussgliedes und Baueinheit zur Verwendung bei diesem Verfahren - Google Patents

Verfahren zur Modifizierung eines mit einer Falle oder einem schlüsselbetätigten Schloss ausgerüsteten Verschlussgliedes und Baueinheit zur Verwendung bei diesem Verfahren Download PDF

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Publication number
EP0129042A2
EP0129042A2 EP84105290A EP84105290A EP0129042A2 EP 0129042 A2 EP0129042 A2 EP 0129042A2 EP 84105290 A EP84105290 A EP 84105290A EP 84105290 A EP84105290 A EP 84105290A EP 0129042 A2 EP0129042 A2 EP 0129042A2
Authority
EP
European Patent Office
Prior art keywords
key
control unit
closure member
lock
control rod
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Withdrawn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
EP84105290A
Other languages
English (en)
French (fr)
Other versions
EP0129042A3 (de
Inventor
Leslie Victor Herriott
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.)
Lowe and Fletcher Ltd
Original Assignee
Lowe and Fletcher 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 Lowe and Fletcher Ltd filed Critical Lowe and Fletcher Ltd
Publication of EP0129042A2 publication Critical patent/EP0129042A2/de
Publication of EP0129042A3 publication Critical patent/EP0129042A3/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
    • G07C9/00722—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with magnetic components, e.g. magnets, magnetic strips, metallic inserts
    • G07C9/00738—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with magnetic components, e.g. magnets, magnetic strips, metallic inserts sensed by Hall effect devices

Definitions

  • a first aspect of the present invention relates to a method of modifying a combination comprising a closure member and a key-operated lock for locking the closure member in a closed position.
  • the invention is especially useful in hotels where the bedroom doors are equipped with tumbler locks operated by keys which engage the tumblers and displace the tumblers to releasing positions.
  • tumbler locks operated by keys which engage the tumblers and displace the tumblers to releasing positions.
  • substitution of tumbler locks originally fitted to doors by such magnetic locks is expensive and generally inconvenient.
  • modification of existing tumbler locks by removing the tumbler mechanism and substituting sensors responsive to a magnetic field is at least expensive and is often impracticable.
  • a method of modifying a combination comprising a closure member and a key-operated lock for locking the closure member in a closed position, wherein the key is inserted into the lock to leave a handle of the key exposed outside the lock and a control unit is mounted on the closure member to cover the handle of the key whilst the key remains in the lock, the control unit having a body, an opening for receiving a coded element, a driving member and reading means responsive to insertion into the opening of an appropriate coded element to set the control unit in a driving condition, in which the control unit can rotate the key relative to the body, the key being coupled with the driving member for rotation therewith.
  • an existing combination of a closure member and key-operated lock can be modified to permit control by a magnetically coded element without modification or replacement of the original lock.
  • a method of modifying a combination comprising a closure member and a latch for holding the closure member in a closed position, wherein a handle of the latch is removed from the closure member to expose an end portion of a control rod which normally provides a connection between the handle and the latch, and a control unit is mounted on the closure member to cover the exposed end portion of the control rod, the control unit having a body, an opening for receiving a coded element, a driving member and reading means responsive to insertion into the opening of an appropriate coded element to set the control unit in a driving condition, in whch the control unit can rotate the control rod relative to the body, the control rod being coupled with the driving member for rotation therewith.
  • a control unit for use in a method according to either of the first and second aspects of the invention, the unit comprising a body which, in use, is mounted fixedly on a closure member, a driving member adapted to receive a handle of the key or an end portion of the control rod in a manner to constrain the key or control rod to rotate relative to the body with the driving member and reading means adapted to respond to juxtaposition of a suitably coded element with the reading means to set the control unit in a driving condition, in which the unit can rotate the key or control rod relative to the body.
  • the control unit preferably further includes an input element exposed at the outside of the body when the unit is in use and forming a part of, or being operatively associated with, the driving member to transmit drive from a user to the key or control rod.
  • the user applies the torque which turns the key or control rod and unlocks the closure member.
  • Electrical energy may be supplied to the control unit merely for operating the reading means. This energy may be derived from a primary cell or battery of cells incorporated in the control unit or may be supplied to the control unit from an external power source..
  • the reading means is preferably responsive to a field associated with the coded element and may include Hall effect devices which respond to a magnetic field of the coded element.
  • control unit in accordance with the invention will now be described, with reference to the accompanying drawing, wherein there is shown diagrammatically a part of a door fitted with a tumbler lock, a control unit and a coded element for use with the control unit.
  • a closure member which may be the door of a room.
  • a lock 11 having a bolt (not shown) and a tumbler mechanism (also not shown).
  • a key-receiving slot of the lock At an outer face of the door, there is an open end of a key-receiving slot of the lock.
  • a key is shown inserted into the lock from the outside of the door, a handle 12 of the key remaining outside the lock.
  • the tumbler mechanism can be operated to withdraw the bolt into the door.
  • the bolt can also be withdrawn into the door by operation of a handle 13 provided at the inner face of the door.
  • the door is a sliding door and the lock is adapted to prevent sliding from a closed position.
  • control unit 14 having a body 15 which is adapted to be mounted by means of fasteners (not shown) on the door 10 in a manner such that the fasteners are not accessible at the outside of the door. In this way, the body 15 is rigidly secured to the door.
  • the driving member includes an input element 18 which is exposed outside the body 15 and can readily be grasped by a user.
  • the remainder of the driving member is disposed within the body 15 and is formed with an opening which can receive the handle 12 of the key with a small clearance.
  • the driving member is adapted to transmit torque to the key to rotate the latter about the axis 16.
  • the key handle 12 is flat and the opening in the driving member 17 is a parallel-sided slot having opposite boundaries engageable with the flat faces of the key handle.
  • the bolt is guided by the body 15 for sliding along a rectilinear path towards and away from the axis 16 and is urged towards that axis relative to the body by a bolt spring 20.
  • An end portion of the holt which is nearer to the axis 16 can ent p r a recess in the driving member 17 tn hrinq into contact with a boundary of that recess an end face of the bolt. This end face lies in a plane perpendicular to the direction of movement of the bolt and parallel to the axis 16.
  • a detent 21 which is engageable in a notch formed in the bolt and is movable out of that notch in a direction parallel to the axis 16.
  • the detent is guided by the body 15 and is controlled by a springloaded solenoid 22 also contained within the body.
  • the body 15 defines a slot 23 which is open at the exterior of the body and through which a major part of a coded element 24 can be inserted into the body along a predetermined rectilinear path. Adjacent to this path, there is provided in the body a number of sensors 25 capable of responding to a field associated with the coded element 24. Some of the sensors are omitted from the drawinq.
  • the element 24 includes a layer of magnetic material having a number of magnetic poles which are presented towards the sensors 25 when the coded element is inserted into the body 15.
  • the sensors are Hall effect devices arranged to provide respective electrical output signals when subjected to a magnetic field having sufficient strength.
  • the magnetic poles of the element 24 are positioned in accordance with a code. Typically, three or four poles may be present at one face of the coded element.
  • a larger number of sensors 25 are provided in the body 15 but only some of these respond to the insertion of the element 24. Output signals from the sensors 25 are fed to a logic circuit (not shown) which controls energisation of the solenoid 22. Electrical energy for operation of the sensors 25 and of the solenoid 22 is derived either from a cell or batteries (not shown) incorporated in the control unit 14, or from a remote power source connected by electrical conductors (also not shown) with the control unit.
  • the control unit is mounted on the door 10 in a position such that the axis 16 coincides with the axis of rotation of the key in the lock 11. Normally, the bolt 19 is in its locking position and prevents rotation of the key by means of the input element 18.
  • the solenoid 23 is energised to withdraw the detent 21 from the notch in the bolt.
  • the input element 18 can then be rotated to drive the bolt away from the axis 16 and to turn the key 12, thus unlocking the door.
  • the solenoid is de-energised and the detent is urged against the bolt.
  • the bolt spring 20 drives the bolt towards the axis 16 and the bolt rotates the driving member 17 to lock the door.
  • a further spring which assists rotation of the key to lock the door. It will be noted that the control unit 14 prevents direct access to the key.
  • the logic circuit of the control unit prevents energisation of the solenoid 22 and the control unit remains incapable of rotating the key 12 relative to the body 15.
  • the coded element 24 may be in the form of a card, similar to a credit card and having a sandwich construction including at least one layer of magnetic material.
  • the coded element may be a magnetic key, for example a key as disclosed in U.S. 4.112,292.
  • the circuit which includes the Hall effect devices also may be as disclosed in U.S. 4,112,292.
  • the reader and coded element may be as disclosed in G.B. 1,294,608.
  • means is provided for releasably restraining rotation of the driving element and key.
  • a clutch is provided for transmitting drive from the input element to the driving element and operation of the clutch is controlled by the sensors so that, unless an appropriately coded element is inserted into the unit, the input element can be rotated freely without accompanying rotation of the driving element and key.
  • a latch normally includes a mechanism disposed within the closure member and handles mounted on the larger faces of the closure member, the handles and the mechanism being connected together by a control rod having a square cross- section. If one of the handles is removed from the closure member, an end portion of the control rod which projects from the closure member will be exposed, in a similar manner to that in which the handle 12 of the key is exposed in the method hereinbefore described.
  • a control unit similar to the unit 14 can then be applied to the closure member to control operation of the latch. The driving member of this control unit would be adapted to .receive and to transmit torque to the exposed end portion of the control rod.
  • the control unit may be identical with the unit 14 hereinbefore described.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
EP84105290A 1983-06-16 1984-05-10 Verfahren zur Modifizierung eines mit einer Falle oder einem schlüsselbetätigten Schloss ausgerüsteten Verschlussgliedes und Baueinheit zur Verwendung bei diesem Verfahren Withdrawn EP0129042A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8316418 1983-06-16
GB838316418A GB8316418D0 (en) 1983-06-16 1983-06-16 Modifying closure member with key-operated lock

Publications (2)

Publication Number Publication Date
EP0129042A2 true EP0129042A2 (de) 1984-12-27
EP0129042A3 EP0129042A3 (de) 1985-08-14

Family

ID=10544320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84105290A Withdrawn EP0129042A3 (de) 1983-06-16 1984-05-10 Verfahren zur Modifizierung eines mit einer Falle oder einem schlüsselbetätigten Schloss ausgerüsteten Verschlussgliedes und Baueinheit zur Verwendung bei diesem Verfahren

Country Status (2)

Country Link
EP (1) EP0129042A3 (de)
GB (1) GB8316418D0 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3530620C1 (de) * 1985-08-24 1986-12-18 Manfred 1000 Berlin Kunz Sicherheitsbeschlag fuer ein Tuerschloss
EP0365458A1 (de) * 1988-09-28 1990-04-25 Juan Capdevila Mas Magnetische Schlüssel und Schlösser für Zutrittskontrolle
GB2281339A (en) * 1993-08-25 1995-03-01 Sudhir Kumar Mukherjee Programmable lock with scanner
FR2754007A1 (fr) * 1996-09-30 1998-04-03 Fontaine Sa Serrure electromecanique a controle electronique
AU2006100498B4 (en) * 2006-03-15 2008-11-06 Ray & Co. RayMax Lock Interface
WO2022185060A1 (en) 2021-03-02 2022-09-09 Jones Gavin Thomas Door locks

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995460A (en) * 1975-05-30 1976-12-07 Sedley Bruce S Magnetic card key operated door lock structure
DE2735879A1 (de) * 1976-08-17 1978-02-23 Access Control Syst Magnetische identifikationsvorrichtung
US4133194A (en) * 1976-12-02 1979-01-09 Bruce S. Sedley Magnetic key operated door lock
GB2022678A (en) * 1978-06-08 1979-12-19 Neiman Sa Electrically actuated lock

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995460A (en) * 1975-05-30 1976-12-07 Sedley Bruce S Magnetic card key operated door lock structure
DE2735879A1 (de) * 1976-08-17 1978-02-23 Access Control Syst Magnetische identifikationsvorrichtung
US4133194A (en) * 1976-12-02 1979-01-09 Bruce S. Sedley Magnetic key operated door lock
GB2022678A (en) * 1978-06-08 1979-12-19 Neiman Sa Electrically actuated lock

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3530620C1 (de) * 1985-08-24 1986-12-18 Manfred 1000 Berlin Kunz Sicherheitsbeschlag fuer ein Tuerschloss
EP0365458A1 (de) * 1988-09-28 1990-04-25 Juan Capdevila Mas Magnetische Schlüssel und Schlösser für Zutrittskontrolle
US5085062A (en) * 1988-09-28 1992-02-04 Juan Capdevila Keys and related magnetic locks to control accesses
GB2281339A (en) * 1993-08-25 1995-03-01 Sudhir Kumar Mukherjee Programmable lock with scanner
GB2281339B (en) * 1993-08-25 1996-03-20 Sudhir Kumar Mukherjee A security device
FR2754007A1 (fr) * 1996-09-30 1998-04-03 Fontaine Sa Serrure electromecanique a controle electronique
AU2006100498B4 (en) * 2006-03-15 2008-11-06 Ray & Co. RayMax Lock Interface
WO2022185060A1 (en) 2021-03-02 2022-09-09 Jones Gavin Thomas Door locks

Also Published As

Publication number Publication date
GB8316418D0 (en) 1983-07-20
EP0129042A3 (de) 1985-08-14

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Effective date: 19860415

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Inventor name: HERRIOTT, LESLIE VICTOR