EP1375790B1 - Sicherheitsschloss für Haushaltstüren oder dergleichen - Google Patents

Sicherheitsschloss für Haushaltstüren oder dergleichen Download PDF

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Publication number
EP1375790B1
EP1375790B1 EP03011699A EP03011699A EP1375790B1 EP 1375790 B1 EP1375790 B1 EP 1375790B1 EP 03011699 A EP03011699 A EP 03011699A EP 03011699 A EP03011699 A EP 03011699A EP 1375790 B1 EP1375790 B1 EP 1375790B1
Authority
EP
European Patent Office
Prior art keywords
plates
safety
key
bolt
plate
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.)
Expired - Lifetime
Application number
EP03011699A
Other languages
English (en)
French (fr)
Other versions
EP1375790A3 (de
EP1375790A2 (de
Inventor
Sergio Mottura
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.)
Mottura Serrature di Sicurezza SpA
Original Assignee
Mottura Serrature di Sicurezza SpA
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 Mottura Serrature di Sicurezza SpA filed Critical Mottura Serrature di Sicurezza SpA
Publication of EP1375790A2 publication Critical patent/EP1375790A2/de
Publication of EP1375790A3 publication Critical patent/EP1375790A3/de
Application granted granted Critical
Publication of EP1375790B1 publication Critical patent/EP1375790B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/02—Casings of latch-bolt or deadbolt locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B21/00—Locks with lamelliform tumblers which are not set by the insertion of the key and in which the tumblers do not follow the movement of the bolt e.g. Chubb-locks
    • 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
    • E05B35/083—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys with changeable combination

Definitions

  • the present invention refers to safety locks for household doors and similar of the type including:
  • the object of the present invention is, a double bitted lock, equipped with a removable core, wherein the lock can be adapted to a key with a different profile, without the need of substituting the core.
  • This object is achieved by providing a safety lock characterized in that the said removable core is provided with means of rekeying, to adapt the lock to a key with a different profile.
  • each safety plate is composed of two half-plates, with one carrying the edge for key engagement and the other the aperture for stop pin engagement.
  • the said means of rekeying are suitable for repositioning and blocking the said half-plates together in various relative positions, for the purposes of adapting the plates in question to a key with a different profile.
  • each of the safety plates is composed of two half-plates, respectively carrying the engagement edge for the key and the engagement aperture for the safety pin, which can be repositioned in various relative positions.
  • the means of rekeying include means for temporarily blocking a first type of half-plates in position, the half-plates that carry the engagement apertures for the safety pin for example, and means for moving, in the direction at right angles to that of the bolt's movement, the second type of half-plates, those carrying the engagement edges for the key for example, whilst the first type of half-plates are kept temporarily blocked.
  • the repositioning of the second type of half-plates with respect to the first type of half-plates is directly achieved via the new key to which the lock must be adapted, engaging the second type of half-plates with this new key, whilst the first type of half-plates are kept temporarily blocked.
  • reference number 1 indicates a complete safety lock for household doors and similar.
  • the lock 1 includes a housing 2 of sheet metal, from which the bolt protrudes, the latter being composed of, for example, a number of steel pins 3 all carried by the same mobile plate inside the lock.
  • the entire operating mechanism of the bolt 3 is contained in a removable core 4, the front of which carries a block 50 with a guide passage 60 for the insertion of a key of the double bitted type.
  • Figure 2 shows the removable core 4 in the extracted position.
  • the core 4 includes an auxiliary frame constituted by two sheet metal plates 4a and 4b, which are mutually parallel and set apart.
  • reference number 40 indicates an additional plate that, when the core 4 is mounted inside a lock, is destined to be directly or indirectly connected to the bolt plate of the lock, thereby resulting operatively associated with the bolt.
  • the bolt plate 40 carries a set of teeth 5 for engagement with the double bitted active portion (indicated as C in Figure 9 ) of the key.
  • the bolt plate 40 also carries a safety pin 6.
  • the bolt plate 40 is mounted such that it can slide inside the removable core 4 in the bolt's direction of movement.
  • the removable core 4 also includes a pack of safety plates 7 arranged between the two plates 4a and 4b.
  • Each safety plate presents an edge 7a for engaging the double bitted active portion of the key, and an aperture with notched edges 7b for engaging the safety pin 6.
  • the above described lock functions in the following manner.
  • the active portion of the key is inserted inside the lock by making it pass through the guide passage 60 in the block 50, and a keyhole 61 made on the front plate 4a.
  • the key Once the key is inserted, its rotation causes the edges of the double bitted portion to engage with the edges 7a of the safety plates 7.
  • the safety plates 7 are moved in a direction at right angles with respect to the bolt's direction of movement (i.e. vertically upwards with reference to Figure 9 ) against the action of springs (not visible in the drawings) that apply a force in the direction indicated by arrow 8 in Figure 9 against an appendage 10 of each safety plate.
  • each safety plate is set in a position determined by the corresponding portion of the profile of the key that engages the relative edge 7a, such that the various apertures 7b of all the plates 7 leave an open corridor for the passage of the safety pin 6 carried by the bolt plate 40.
  • the authorized key is thus capable of continuing its rotation and determining the horizontal movement (with reference to Figure 9 ) of the bolt plate 40, following its engagement against the set of teeth 5.
  • the invention consists in having arranged means for rekeying the lock on the removable core, that is means that allow the lock to be adapted to a key with a different profile. This requirement arises every time that it is wished to re-establish the security of the lock, after the key has been at the disposition of strangers for example.
  • each of the safety plates 7 is constituted by two half-plates 71 and 72 (clearly distinguishable in Figure 11 ) with one carrying an aperture 7b and the other the edge 7a for engagement with the key and presenting reciprocally engaging, facing sets of teeth 73 which allow the two half-plates 71 and 72 to be repositioned and blocked together in different relative positions with reference to the direction at right angles to the bolt's direction of movement (i.e. with respect to the vertical direction in Figures 9-13 ).
  • the original key is inserted in the lock and turned to the half-turn position illustrated in Figure 10 , so as to raise the safety plates 7 in the direction A ( Figure 10 ) against the action of the return springs (represented by the arrow 8).
  • the key also engages the set of teeth 5 of the bolt plate 40, causing a small movement to the right (with reference to the Figures) of the latter.
  • the safety pin 6 finds itself in the position illustrated in Figure 11 , in which it is received in an end slot of the apertures 7b, thereby preventing movement of the half-plates 71 in the direction A.
  • the plates are kept in the said position by continuing to manually hold the active part C of the key in the position illustrated in Figures 10 and 11 , against the action 8 of the return springs.
  • the half-plates 72 are moved away to the left ( Figure 11 ) from the half-plates 71 by acting with a screwdriver at the top of a revolving control member 90 situated on the front of the block 50.
  • a screwdriver 100 can be inserted into a respective seat present on the revolving control member 90 to initially press in the axial direction of the member 90, against the action of a return spring 91, to be able to then rotate the said member around an axis 92.
  • the control member 90 presents an engagement tooth 93 guided in an arched slot 94 on the block 50 and engaged in a slot 95 of a plate 96 that is guided on the structure of the core 4 in a direction parallel to the bolt's direction of movement and which carries an auxiliary safety pin 97.
  • the control member 90 can be engaged with a screwdriver 100 and turned to move the plate 96 to the left, to a position in which it causes, via its two pins 96A that run through the half-plates 72, the moving away of the latter ( Figure 11 ).
  • the auxiliary safety pin 97 is brought to the position illustrated in Figure 11 , inside a corresponding aperture 98 made in each of the half-plates 71, and thereby blocking these half-plates in the aforesaid state.
  • the new key is inserted into the lock, the former having a different profile to which the lock must be adapted.
  • the lock is actioned again as before with the new key, keeping the key in position.
  • the lever 110 is moved again and the auxiliary safety pin 97 is thus free to return to its normal position.
  • the half-plates 72 follow the active part C* of the new key ( Figure 13 ) each one arranging itself in a position corresponding to the shape of the portion of the key's profile that engages it.
  • the screwdriver 100 is used again on the control member 90 in order to bring the half-plates 72 back together with the half-plates 71 again.
  • the pair of half-plates thus reengage with each other in a new relative position with respect to the previous one, suitable for permitting the lock to be actioned with the new key. In this way, rekeying of the lock has been performed.
  • Figure 16 illustrates a variant of Figure 1 that is functionally identical but presents a block 50 that is circular in shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Claims (5)

  1. Sicherheitsschloss für Haustüren und dergleichen, umfassend:
    - ein Gehäuse (2) mit einem Schlüsselloch zum Einsetzen eines Doppelbart-Schlüssels,
    - wenigstens einen Bolzen (3), der im Inneren des Gehäuses (2) angeordnet ist und von einer Seite des Gehäuses vorsteht,
    - eine Bolzenplatte (40), die mit dem Bolzen (3) verbunden ist und einen Satz von Zähnen (5) aufweist, die mit dem Schlüssel in Eingriff gebracht werden können, um die Bewegung des Bolzens zu steuern, und
    - einen Stapel von Sicherheitsplatten (7) innerhalb des Gehäuses (2), die Öffnungen (7b) mit gekerbten Kanten ausbilden, durch die sich ein Sicherheitsstift (6), der durch die Bolzenplatte (40) gehalten wird, bewegt, wobei die Sicherheitsplatten (7) jeweils eine Eingriffskante (7a) für einen entsprechenden Bereich des Schlüssels aufweisen, und wobei die Sicherheitsplatten (7) dazu geeignet sind, sich in Bezug auf die Richtung der Bolzenbewegung in rechten Winkeln aufgrund des Eingriffseffektes des Schlüssels gegen die Wirkung von elastischen Rückstellmitteln (8) in Richtung einer Position zu bewegen, in der die Öffnungen (7b) einen Korridor für den freien Durchgang des Sicherheitsstiftes (6) definieren,
    - wobei der Stapel von Sicherheitsplatten (7) und die jeweiligen elastischen Rückstellmittel (8) an einem Hilfsrahmen (4a und 4b) derart gehalten sind, dass sie einen Kern (4) bilden, der an dem Gehäuse (2) in entfernbarer Weise gehalten ist,
    - wobei das Schlüsselloch (61) zum Einsetzen des Schlüssels ebenfalls an dem bewegbaren Kern (4) erzielt wird, und
    - wobei die Bolzenplatte (40) ebenfalls an dem Hilfsrahmen (4a und 4b) derart befestigt ist, dass sie frei gleiten kann, wobei diese Platte (40) mit dem Bolzen (3) derart verbunden ist, dass sie entkoppelt werden kann,
    dadurch gekennzeichnet, dass
    der bewegbare Kern (4) mit Rekeying-Mitteln versehen ist, um das Schloss an einen Schlüssel mit einem anderen Profil anzupassen.
  2. Sicherheitsschloss nach Anspruch 1, dadurch gekennzeichnet, dass jede Sicherheitsplatte (7) jeweils aus zwei Halbplatten (71 und 72) ausgebildet ist, welche die Eingriffsöffnung (7b) für den Sicherheitsstift (6) und die Eingriffskante (7a) für den Schlüssel tragen, und dass diese Halbplatten (71 und 72) wechselseitig in verschiedenen Relativpositionen positioniert und gesperrt werden können.
  3. Sicherheitsschloss nach Anspruch 2, dadurch gekennzeichnet, dass das Rekeying-Mittel zum Sperren von Halbplatten (71) einer ersten Art in einer Position aufweist, während Halbplatten der zweiten Art (72) repositioniert werden.
  4. Sicherheitsschloss nach Anspruch nach Anspruch 3, dadurch gekennzeichnet, dass die Mittel zum Repositionieren der zweiten Art von Halbplatten (72) durch den neuen Schlüssen gebildet werden, an den das Schloss angepasst werden muss.
  5. Sicherheitsschloss nach Anspruch 4, dadurch gekennzeichnet, dass die Mittel zum Sperren der ersten Art von Halbplatten (71) einen Hilfssicherheitsstift (97) schaffen, der an einer Hilfsplatte (96) bewegbar in einer Richtung parallel zu der Bewegungsrichtung des Bolzens über ein Steuerelement (90) gehalten ist, wobei der Hilfssicherheitsstift (97) dazu geeignet ist, mit einer Hilfsöffnung an der ersten Art von Halbplatte (71) in Eingriff zu kommen und in dieser Position über einen zusätzlichen Sperrhebel (110) sperrbar ist.
EP03011699A 2002-06-19 2003-05-23 Sicherheitsschloss für Haushaltstüren oder dergleichen Expired - Lifetime EP1375790B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2002TO000529A ITTO20020529A1 (it) 2002-06-19 2002-06-19 Serratura di sicurezza per porte di abitazioni e simili
ITTO20020529 2002-06-19

Publications (3)

Publication Number Publication Date
EP1375790A2 EP1375790A2 (de) 2004-01-02
EP1375790A3 EP1375790A3 (de) 2006-10-18
EP1375790B1 true EP1375790B1 (de) 2008-03-19

Family

ID=11459420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03011699A Expired - Lifetime EP1375790B1 (de) 2002-06-19 2003-05-23 Sicherheitsschloss für Haushaltstüren oder dergleichen

Country Status (9)

Country Link
EP (1) EP1375790B1 (de)
CN (1) CN1303301C (de)
BR (1) BR0301681B1 (de)
ES (1) ES2301728T3 (de)
GR (1) GR1004785B (de)
IT (1) ITTO20020529A1 (de)
PL (1) PL208001B1 (de)
PT (1) PT1375790E (de)
RU (1) RU2309233C2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9003845B2 (en) 2002-01-03 2015-04-14 Master Lock Company Llc Lock apparatus and method
USRE45627E1 (en) 2004-04-01 2015-07-28 Kwikset Corporation Re-keyable lock cylinder

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20050406A1 (it) * 2005-06-10 2006-12-11 Mottura Serrature Di Sicurezza Serratura di sicurezza per porte di abitazioni, cancelli e simili
ITBS20050164A1 (it) * 2005-12-23 2007-06-24 Iseo Serrature Spa Serratura di sicurezza a doppia mappa per porte e cancelli
EP2106489B1 (de) * 2007-01-22 2012-06-13 ISEO SERRATURE S.p.A. Sicherheitsschloss mit hoher verwendungsflexibilität
EP2212493B1 (de) * 2007-10-31 2011-05-25 CISA S.p.A. Einbruchsicheres schloss
EP2304136B1 (de) * 2008-05-06 2013-06-26 CISA S.p.A. Einbruchsicheres schloss
RU2462571C2 (ru) * 2008-05-06 2012-09-27 Чиза С.П.А. Противовзломный замок
CN101618767B (zh) * 2009-02-11 2013-09-25 贵州航天精工制造有限公司 一种飞机上雷达罩的快卸方法及旋转锁
IT1399264B1 (it) * 2010-03-16 2013-04-11 Mottura Serrature Di Sicurezza Serratura di sicurezza
IT1402186B1 (it) * 2010-09-17 2013-08-28 O M R Di Roberto Olivi & C S N C Serratura di sicurezza con chiave a doppia mappa perfezionata.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4195504A (en) * 1978-08-10 1980-04-01 Best Lock Corporation Mortise lock adaptation to key-removable cores
US5044180A (en) * 1990-05-25 1991-09-03 Master Lock Company Rekeyable shrouded lock
IT1264745B1 (it) * 1993-12-02 1996-10-04 Italiana Serrature Affini Serratura con nottolini a piastre e a cifratura cambiabile
IT1279602B1 (it) * 1995-05-26 1997-12-16 Italiana Serrature Affini Perfezionamenti ad una serratura con nottolini a piastre e cifratura cambiabile
IT1295464B1 (it) * 1997-10-03 1999-05-12 Mottura Serrature Di Sicurezza Serratura di sicurezza per porte di abitazioni o simili.
IT1299883B1 (it) * 1998-03-05 2000-04-04 Italiana Serrature Affini Serratura con nottolini a piastre e cifratura cambiabile.
IT1305505B1 (it) * 1998-07-21 2001-05-09 Bi Porte Blindate S R L Di Mezzi per la chiusura di infissi.
IT1320349B1 (it) * 2000-05-12 2003-11-26 Mottura Serrature Di Sicurezza Serratura di sicurezza per porte di abitazioni o simili.
CN2467687Y (zh) * 2001-03-07 2001-12-26 刘述义 可改变钥匙牙型的叶片式门锁

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9003845B2 (en) 2002-01-03 2015-04-14 Master Lock Company Llc Lock apparatus and method
USRE45627E1 (en) 2004-04-01 2015-07-28 Kwikset Corporation Re-keyable lock cylinder

Also Published As

Publication number Publication date
CN1467357A (zh) 2004-01-14
ITTO20020529A0 (it) 2002-06-19
ES2301728T3 (es) 2008-07-01
ITTO20020529A1 (it) 2003-12-19
PT1375790E (pt) 2008-05-29
GR1004785B (el) 2005-01-25
PL208001B1 (pl) 2011-02-28
RU2309233C2 (ru) 2007-10-27
EP1375790A3 (de) 2006-10-18
CN1303301C (zh) 2007-03-07
EP1375790A2 (de) 2004-01-02
PL360721A1 (en) 2003-12-29
GR20030100016A (el) 2004-02-25
BR0301681A (pt) 2004-08-24
BR0301681B1 (pt) 2013-12-17

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