EP0378124B1 - Spring-latch and bolt lock with emergency opening device - Google Patents

Spring-latch and bolt lock with emergency opening device Download PDF

Info

Publication number
EP0378124B1
EP0378124B1 EP90100205A EP90100205A EP0378124B1 EP 0378124 B1 EP0378124 B1 EP 0378124B1 EP 90100205 A EP90100205 A EP 90100205A EP 90100205 A EP90100205 A EP 90100205A EP 0378124 B1 EP0378124 B1 EP 0378124B1
Authority
EP
European Patent Office
Prior art keywords
spring
latch
opening
lock
lever
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
EP90100205A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0378124A1 (en
Inventor
Deo Errani
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.)
CISA SpA
Original Assignee
CISA 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 CISA SpA filed Critical CISA SpA
Priority to AT90100205T priority Critical patent/ATE97980T1/de
Publication of EP0378124A1 publication Critical patent/EP0378124A1/en
Application granted granted Critical
Publication of EP0378124B1 publication Critical patent/EP0378124B1/en
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
    • E05B59/00—Locks with latches separate from the lock-bolts or with a plurality of latches or lock-bolts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors
    • E05B65/1086—Locks with panic function, e.g. allowing opening from the inside without a ley even when locked from the outside
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B55/00—Locks in which a sliding latch is used also as a locking bolt
    • E05B55/12—Locks in which a sliding latch is used also as a locking bolt the bolt being secured by the operation of a hidden parallel member ; Automatic latch bolt deadlocking mechanisms, e.g. using a trigger or a feeler

Definitions

  • the present invention relates to a spring-latch and bolt lock with emergency opening device.
  • Door locks which have a spring-latch, which can be opened by means of an adapted handle, and a locking bolt actuated by a key.
  • DD-A-108,892 Also known from DD-A-108,892 is a spring-latch and bolt lock with emergency opening device as defined in the precharacterising part of claim 1.
  • Locks have therefore been devised which have a single-side opening device constituted by a lever system which opens the bolt upon the actuation of the knob arranged on the inside.
  • said lever system essentially comprises a first lever which releases the bolt and a second lever which controls the opening movement of the bolt itself.
  • Said locks are furthermore generally provided with a safety device adapted to lock the spring-latch in closure position. This device is deactivated by the actuation of the handle or by the actuation of the key which opens the bolt.
  • the aim of the present invention is to provide a spring-latch and bolt lock which allows to perform in a simplified and surely functional manner the quick opening of the bolt by actuating the spring-latch actuation handle.
  • An object of the present invention is to provide a spring-latch and bolt lock which has a spring-latch locking device which is simple in concept and safely reliable in operation.
  • a further object of the present invention is to provide a spring-latch and bolt lock which allows to easily orientate the spring-latch itself.
  • 1 indicates the box of the lock according to the invention, which is mounted in the recess 2 of a door 3; said box 1 has a front plate 4 which closes the recess 2 and allows the lock to be fixed to the door.
  • the lock has a spring-latch 5 and a bolt 6 which are adapted to protrude from the box 1 through the plate 4 to engage, in closure position, respective seats 7 and 8 provided in the doorjamb; the seats 7, 8 face corresponding openings formed in a plate 10 applied to the doorjamb.
  • the spring-latch 5 is provided with a stem 11 on which a return helical spring 12 for the spring-latch is mounted; the spring 12 acts, at its opposite ends, on an abutment 13 rigid with the box and on a ring 14 rigid with the stem 11.
  • a small plate 15 is fixed to the free end of the stem 11, and an opening element, generally indicated by 16, is adapted to act thereon.
  • the spring-latch 5 can be actuated by an adapted handle, not illustrated in the drawings, which is engaged in a square-holed pivot 17.
  • the opening element 16 is mounted on the pivot 17 and is rotatable together with said handle.
  • the opening element 16 comprises a series of variously shaped rings mounted side by side on the pivot 17. More in particular, said series of rings includes a pair of outer rings, which are mutually identical and are both indicated by 18, and an intermediate ring 19.
  • the outer rings 18 define respective projections forming the prongs 18a of a sort of fork which embraces the stem 11 of the spring-latch 5 so as to act on the plate 15 of said stem; in the closure position of the spring-latch, said fork is kept resting on the fixed abutment 13.
  • the outer rings 18 furthermore define respective expansions 18b which are substantially angled at 90° with respect to the prongs 18a in the handle opening direction of rotation A. Only the expansion 18b of the ring which is nearer to the observer has been indicated in figure 1 in order to illustrate the intermediate ring 19.
  • the expansions 18b are adapted to act on a helical return spring 20 of the handle; said spring 20 rests on an abutment 21 which is fixed to the box 1.
  • the bolt 6 can be actuated by a known key device, the seat 22 whereof is illustrated in the drawings.
  • the bolt 6 is provided with a prism-shaped tang 23 which is slidably guided by the engagement of a slot 24 of the tang with a square pivot 25 fixed to the box 1.
  • the bolt 6 is adapted to be locked in the closed position by the engagement of said square pivot 25 with a tooth 26a of a locking element 26 supported by said bolt.
  • the element 26 is biased by a spring 27 which acts on a wing 26b of said element and is intended to be released by the key opening device and by the opening element 16. It should be noted that the element 26 is guided transversely to the tang 23 by the engagement of a tooth 26c and of the wing 26b in correspondent slots of the tang.
  • the lock is provided with a device for the quick release and opening of the bolt, generally indicated by 28.
  • Said device has an opening lever 29 which has a fulcrum 30 rigid with the box 1 and can be angularly rotated by the opening element 16 of the spring-latch by means of the related handle.
  • the outer rings 18 of the element 16 define respective teeth 18c adapted to act on a corresponding flap 29a of the lever.
  • the lever 29 defines, in a center position, a lug 29b which engages a pawl 31 for the release of the bolt 6.
  • Said pawl 31 is pivoted to the tang 23 of the bolt at a pivot 32 and is adapted to engage, by means of a tooth 31a defined by an undercut, the wing 26b of the locking element 26, so as to act in contrast with the spring 27.
  • the pawl 31 normally rests on the lug 29b with a front edge 33 thereof.
  • the tang 23 of the bolt is furthermore provided with a transverse pivot 34 which is slidable in a slot 35 formed at one end of a return lever 36.
  • the return lever 36 is articulated, at the opposite end, at 37, to a wing 19a of the intermediate ring 19 of the opening element 16.
  • the lever 29 opens the bolt 6, pushing with its lower end against the wing 26b of the element 26 which conveniently protrudes from the face of the tang 23 and moving the elements 26 and the bolt 6 to the opened position (to the right in figure 1).
  • the actuation of the knob which is conveniently arranged on the side of the door directed toward the inside of the room, allows to open the door immediately even when the bolt is locked.
  • the return lever 36 has the important function of opening the spring-latch 5, acting on the opening element 16, if the bolt is opened by means of the key. This obviously allows not to mount the handle on the outer side of the door, so as to allow opening only by means of said key.
  • the lock has a safety device which is adapted to lock the spring-latch and is generally indicated by 39.
  • Said safety device 39 has a locking lever 40 preventing shifting of the spring-latch 5 and hinged at a fulcrum 41 on the box 1.
  • the locking lever 40 can be angularly rotated by the spring-latch opening element 16.
  • the intermediate ring 19 of the element 6 defines a shoulder 19b which engages a lug 40a of the lever 40; the engagement of the shoulder 19b with the lever 40 is ensured by a spring 42 which is mounted on the fulcrum 41 and engages, with its opposite ends, the fixed abutment 13 and a flap 40b of said lever.
  • the ring 19 furthermore defines an expansion 19c which is arranged between the prongs 18a of the outer rings 18 of the element 16 and acts on the plate 15.
  • the ring 19 furthermore has a tab 19d which is folded downward (in the drawing) and rigidly associates the inner ring 19 with the outer rings 18 when the element 16 is rotated by the handle.
  • the locking lever 40 is controlled by an element 43 for sensing the closure of the door 9; said element is frontally rounded and beveled like the spring-latch 5.
  • Said sensor 43 is axially movable under the thrust of a spring 44 guided in a seat 43a provided in the body of said sensor; the spring 44 reacts on a fixed abutment 45 of the box 1.
  • the sensor 43 can protrude from the box 1, through the plate 4, and retract in the door closure position when it abuts against the front plate 10 of the doorjamb.
  • the sensor 43 is guided in its movements by the plate 4 and the abutment 45.
  • a transmission lever 47 is articulated at 46 to the sensor element 43 and is adapted to release the locking lever 40 in the door opening configuration.
  • the transmission lever 47 centrally abuts against an internal wing 48 of the box 1 and engages in turn, at its end, the flap 40b of the locking lever 40 on the side opposite to the spring 42.
  • the locking lever 40 prevents the movement of the spring-latch 5 when the door is closed, but is brought in an ineffective position by the rotation of the opening element 16 in direction A.
  • the outward movement of the sensor 43 caused by the spring 44 holds the locking lever 40 in a position in which it does not intercept the free sliding of the spring-latch 5.
  • the lock is furthermore provided with a spring-latch orientation device, generally indicated by the reference numeral 49.
  • Said orientation device has a slider element 50 mounted on the rear wall 1a of the box 1 in front of the spring-latch 5 and slidable along a vertical direction (in the drawing).
  • the slider 50 is guided by a transverse pivot 51 rigid therewith in a slot 52 of the box and can be actuated from the outside of the box by means of a tooth 53.
  • the slider 50 has an opening 54 adapted to be aligned with the stem 11 of the spring-latch, so as to allow the axial rotation thereof.
  • the slider 50 is movable between said alignment position and an off-center position of the opening 54, said positions being defined by the engagement of a pair of notches 55 of said slider with corresponding protrusions 56 formed on the rear wall 1a of the box which is opposite to the front plate 4.
  • the slider 50 when the slider 50 is in the off-centered position, i.e. in the normal condition of use of the lock, the slider 50 acts as stop element for the axial sliding of the stem 11, preventing the accidental extraction of the spring-latch from its seat.
  • a substantial advantage of the present invention is constituted by the fact that the elements, by virtue of their arrangement, allow to leave free large regions of the walls which laterally delimit the box 1. This allows to provide, in said regions, holes through which through screws are driven; said screws also traverse the thickness of the door and can retain the plates of the handles.
  • the materials employed, as well as the shape and dimensions, can be any according to the requirements.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Lock And Its Accessories (AREA)
  • Connection Of Plates (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Paper (AREA)
  • Cookers (AREA)
  • Ladders (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Electrophonic Musical Instruments (AREA)
EP90100205A 1989-01-11 1990-01-05 Spring-latch and bolt lock with emergency opening device Expired - Lifetime EP0378124B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90100205T ATE97980T1 (de) 1989-01-11 1990-01-05 Schnappriegel und riegelschloss mit einer einrichtung zur oeffnung im notfall.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8903306A IT1233297B (it) 1989-01-11 1989-01-11 Serratura a scrocco e catenaccio con apertura antipanico
IT330689 1989-01-11

Publications (2)

Publication Number Publication Date
EP0378124A1 EP0378124A1 (en) 1990-07-18
EP0378124B1 true EP0378124B1 (en) 1993-12-01

Family

ID=11104656

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90100205A Expired - Lifetime EP0378124B1 (en) 1989-01-11 1990-01-05 Spring-latch and bolt lock with emergency opening device

Country Status (8)

Country Link
EP (1) EP0378124B1 (xx)
JP (1) JPH02225781A (xx)
AT (1) ATE97980T1 (xx)
DE (1) DE69004807T2 (xx)
EG (1) EG18891A (xx)
ES (1) ES2046536T3 (xx)
IT (1) IT1233297B (xx)
PT (1) PT92819B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103233624A (zh) * 2013-04-23 2013-08-07 佛山市思歌锁业科技有限公司 一种电子防盗锁体

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES1014353Y (es) * 1990-06-08 1992-03-01 Talleres De Escoriaza, S.A. (Tesa) Dispositivo perfeccionado de accionamiento de cerradura.
AT396164B (de) * 1991-06-21 1993-06-25 Roto Frank Eisenwaren Einstemmschloss
ES2082670B1 (es) * 1991-07-29 1996-10-16 Talleres Escoriaza Sa Cerradura automatica, preferentemente de embutir.
IT1253045B (it) * 1991-10-01 1995-07-10 Italiana Serrature Affini Perfezionamenti nelle serrature da inserire comprendenti scrocco e catenaccio e dotate di dispositivo antipanico
IT227823Y1 (it) * 1992-03-24 1998-01-21 Italiana Serrature Affini Dispositivo per neutralizzare lo scrocco di una serratura elettrica per mantenere la porta in costante condizioni di apertura
ES2066673B1 (es) * 1992-07-20 1996-10-16 Talleres Escoriaza Sa Cerradura antipanico perfeccionada.
DE9403648U1 (de) * 1994-03-04 1995-07-06 Karl Fliether Gmbh & Co, 42551 Velbert Türschloß, insbesondere Einsteckschloß
DE19626746C1 (de) * 1996-07-03 1997-10-16 Dorma Gmbh & Co Kg Selbstverriegelndes Panikschloß
DE19626745C1 (de) * 1996-07-03 1997-10-16 Dorma Gmbh & Co Kg Selbstverriegelndes Panikschloß
DE19701761C1 (de) * 1997-01-20 1998-04-16 Fuss Fritz Gmbh & Co Selbstverriegelndes Schloß
ES2138523B1 (es) * 1997-02-27 2000-05-16 Talleres Escoriaza Sa Cierre de seguridad para control de accesos.
ES2211277B1 (es) * 2002-04-10 2005-10-01 La Industrial Cerrajera, S.A. Cerradura de seguridad con doble control del picaporte y funcion antipanico.
ES2265195B1 (es) * 2002-10-02 2007-08-01 Talleres De Escoriaza, S.A. Cerradura multiple con dispositivo anti-retraccion del picaporte.
DE202009007147U1 (de) 2009-05-18 2009-08-13 Kfv Karl Fliether Gmbh & Co. Kg Schloss
CN105888407B (zh) * 2016-06-25 2018-05-04 李晋东 一种具有上提锁门的双向紧急锁体
CN108086826B (zh) * 2017-12-22 2024-01-05 深圳市新国都支付技术有限公司 一种锁合结构及无扣手pos机打印用纸盒
EP3569800B1 (de) * 2018-05-18 2021-08-11 dormakaba Deutschland GmbH Schloss, insbesondere sperrfallenschloss
EP3643860B1 (en) 2018-10-26 2021-08-18 Bauxt S.R.L. Security lock for a closing element, in particular an armored door
TWI663316B (zh) * 2018-11-16 2019-06-21 安得烈股份有限公司 基於單次控制之鎖栓長距傳動之鎖閘結構
ES2917348B2 (es) * 2021-01-07 2023-04-14 La Ind Cerrajera Sa Cerradura automática de seguridad contra eyección indeseada

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD108792A1 (xx) * 1973-12-20 1974-10-05
DE2433322C3 (de) * 1974-07-11 1980-06-26 Scovill Sicherheitseinrichtungen Gmbh, 5620 Velbert Panik-Hauptschloß mit Fallen-Nebenverschlüssen
DE3032086C2 (de) * 1980-08-26 1983-08-11 Scovill Sicherheitseinrichtungen Gmbh, 5620 Velbert Türschloßbeschlag

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103233624A (zh) * 2013-04-23 2013-08-07 佛山市思歌锁业科技有限公司 一种电子防盗锁体
CN103233624B (zh) * 2013-04-23 2015-07-22 佛山市思歌锁业科技有限公司 一种电子防盗锁体

Also Published As

Publication number Publication date
EP0378124A1 (en) 1990-07-18
IT8903306A0 (it) 1989-01-11
EG18891A (en) 1994-06-30
DE69004807D1 (de) 1994-01-13
JPH02225781A (ja) 1990-09-07
PT92819A (pt) 1991-09-13
IT1233297B (it) 1992-03-26
ES2046536T3 (es) 1994-02-01
ATE97980T1 (de) 1993-12-15
PT92819B (pt) 1996-02-29
DE69004807T2 (de) 1994-04-14

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