EP0265863A1 - Safety lock for an armoured door or the like, the lock being provided with an opening and/or closing device - Google Patents

Safety lock for an armoured door or the like, the lock being provided with an opening and/or closing device Download PDF

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Publication number
EP0265863A1
EP0265863A1 EP87115554A EP87115554A EP0265863A1 EP 0265863 A1 EP0265863 A1 EP 0265863A1 EP 87115554 A EP87115554 A EP 87115554A EP 87115554 A EP87115554 A EP 87115554A EP 0265863 A1 EP0265863 A1 EP 0265863A1
Authority
EP
European Patent Office
Prior art keywords
plates
lock
safety lock
opening
seats
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Withdrawn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
EP87115554A
Other languages
German (de)
English (en)
French (fr)
Inventor
Carlo Gasperi
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.)
DUTO SpA
Original Assignee
DUTO 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 DUTO SpA filed Critical DUTO SpA
Publication of EP0265863A1 publication Critical patent/EP0265863A1/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • E05B21/003—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 comprising tumblers moving in opposite directions, e.g. tumbler sets on opposite sides of the keyhole for operation by a double-bit key

Definitions

  • the present invention relates to a safety lock with a changeable map, in particular for an armoured door. It is known that in this field, the art provides devices with changeable maps for opening and/or closing armoured doors or the like. However these devices present disadvantages or defects either in their assembling or in their functioning. In fact, in order that the use of a device of this kind is made sure, very frequent setting-ups and adjustements of the same are necessary. Another inconvenience consists in the very rapid wear of the stressed elements of the devices, and owing to this wear the lock is not very reliable.
  • the present invention solves the problems presented by the known devices and other problems, as well, and is built in a very simple, highly reliable manner.
  • the invention is characterized in particular in that for consisting of a box in the inner part of which there are seats for housing little plates shaped in a particular manner, these plates sliding in said seats; the plates show projections and recesses alternately which mate with counter profiles of corresponding little plates which are adjustable and supported by means of a sliding body acting as a latch; moreover spring elements, as well as locking, unclamping elements are provided for permitting the opening and/or closing map to be diversified so that it is possible to insert keys showing whatever profiles in the lock.
  • the safety lock consists essentially of a box 2 provided with a latch 3.
  • the latch 3 may slide in an inner seat 4 of the box 2, as described below.
  • Slide blocks 5 are mounted on side walls of the inner part of the box 2.
  • the slide blocks 5 are provided with recessed seats 6 in which extensions 7 of plates 8 particularly shaped may slide.
  • the plates 8 are placed one upon another in order to form a unit in which a middle seat 9 is obtained.
  • the middle seat 9 acts as a lock.
  • the plates 8 show further side extensions 10 and are arranged in such a way that the extension 10 of each plate is alternately staggered with respect to the extensions of the adjacent plates.
  • the plates 8 may move transversally in two opposed directions alternately and move in contrast with a spring 8 ⁇ .
  • the plates 8 open, so that the extensions 10 insert in corresponding seats 14 of a further plate unit consisting of plates 11.
  • the plates 11 move according to the movement of the latch 3 and are mounted near the seat 4.
  • the plates 11, which are provided with the seats 14, are arranged in order to permit the latch 3 to be pulled back when inserting a key with a profile corresponding to a predetermined map.
  • the extensions 10 may be inserted in the corresponding seats 14.
  • the plates 11 insert perfectly in the plates 8, the extensions 10 of which show a single vee groove and couple with corresponding angles of seats 14.
  • the plates may be arranged in a different manner according to the profile of the new key to be inserted in the lock.

Landscapes

  • Lock And Its Accessories (AREA)
EP87115554A 1986-10-27 1987-10-23 Safety lock for an armoured door or the like, the lock being provided with an opening and/or closing device Withdrawn EP0265863A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8663345U IT211081Z2 (it) 1986-10-27 1986-10-27 Serratura di sicurezza per porte blindate o similari, con dispotivi di apertura e/o chiusura a mappa variabile.
IT6334586U 1986-10-27

Publications (1)

Publication Number Publication Date
EP0265863A1 true EP0265863A1 (en) 1988-05-04

Family

ID=11294743

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87115554A Withdrawn EP0265863A1 (en) 1986-10-27 1987-10-23 Safety lock for an armoured door or the like, the lock being provided with an opening and/or closing device

Country Status (2)

Country Link
EP (1) EP0265863A1 (it)
IT (1) IT211081Z2 (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2663072A1 (fr) * 1990-06-08 1991-12-13 Conforti Spa Serrure a cle changeable.
ES2064226A2 (es) * 1991-10-24 1995-01-16 Fiam Ind Serrature Spa Cerradura con llave intercambiable.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT329401B (de) * 1972-10-27 1976-05-10 Litvin Noel Turschloss mit einem drehbaren handgriff, einem riegel und einem mit diesem gekoppelten kombinationsschloss
CH653082A5 (en) * 1980-11-12 1985-12-13 Steinbach & Vollmann Lock, especially for prison doors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT329401B (de) * 1972-10-27 1976-05-10 Litvin Noel Turschloss mit einem drehbaren handgriff, einem riegel und einem mit diesem gekoppelten kombinationsschloss
CH653082A5 (en) * 1980-11-12 1985-12-13 Steinbach & Vollmann Lock, especially for prison doors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2663072A1 (fr) * 1990-06-08 1991-12-13 Conforti Spa Serrure a cle changeable.
ES2064226A2 (es) * 1991-10-24 1995-01-16 Fiam Ind Serrature Spa Cerradura con llave intercambiable.

Also Published As

Publication number Publication date
IT211081Z2 (it) 1989-02-13
IT8663345V0 (it) 1986-10-27

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19890718

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Inventor name: GASPERI, CARLO