EP0018712B1 - Mécanisme de verrou, et enceinte de sécurité munie d'un tel mécanisme - Google Patents

Mécanisme de verrou, et enceinte de sécurité munie d'un tel mécanisme Download PDF

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Publication number
EP0018712B1
EP0018712B1 EP19800300830 EP80300830A EP0018712B1 EP 0018712 B1 EP0018712 B1 EP 0018712B1 EP 19800300830 EP19800300830 EP 19800300830 EP 80300830 A EP80300830 A EP 80300830A EP 0018712 B1 EP0018712 B1 EP 0018712B1
Authority
EP
European Patent Office
Prior art keywords
crank arm
slot
boltwork
drive
mechanism according
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
Application number
EP19800300830
Other languages
German (de)
English (en)
Other versions
EP0018712A1 (fr
Inventor
George William Dyson
Charles Frederick Laxon
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.)
Gunnebo UK Ltd
Original Assignee
Chubb and Sons Lock and Safe Co 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 Chubb and Sons Lock and Safe Co Ltd filed Critical Chubb and Sons Lock and Safe Co Ltd
Publication of EP0018712A1 publication Critical patent/EP0018712A1/fr
Application granted granted Critical
Publication of EP0018712B1 publication Critical patent/EP0018712B1/fr
Expired 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
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0017—Locks with sliding bolt without provision for latching

Definitions

  • the present invention relates to bolt mechanisms, and more particularly is concerned with bolt mechanisms for safes, vaults, strongrooms and the like security enclosures.
  • a known form of bolt mechanism for the door of a safe or the like enclosure comprises a handle or like manually operable member accessible from without the enclosure, and a crank arm rotatable in either sense by the manually operable member, the crank arm being engageable with a drive slot in a linearly moveable transmission member operatively associated with the boltwork of the door whereby rotation of the crank arm in either sense by the manually operable member imparts linear motion to said transmission member in a corresponding sense to throw or withdraw the boltwork.
  • One or more locks are also provided for selectively locking the boltwork when in its thrown condition.
  • the handle or like member of this mechanism is liable to be used in an attack on the enclosure to put force on the boltwork and, specifically, there is the disadvantage that force can be applied through that member in the sense to withdraw the boltwork against the action of the locking mechanism.
  • the coupling block is supported by a platform in which it can slide together with the two parts of the transmission member while the latter remain engaged, the platform and block being carried by the bolt of a lock for selectively locking the main boltwork when in its thrown condition.
  • This arrangement requires the accurate alignment of three elements (the block and two parts of the transmission member) before the lock can be unlocked and the coupling re-engaged after disengagement has taken place.
  • the sliding block also adds to the weight and friction of the transmission member which must be shifted each time the door is opened and closed, and the block and platform adds significantly to the weight of the lock bolt.
  • the present invention is concerned to provide a solution to the same problem as that to which the mechanism of the said specification is directed, but in a manner which avoids the split transmission member and sliding coupling of that mechanism.
  • This problem is solved by a bolt mechanism according to claim 1 which is characterised in that said disengaging means are operable to disengage said crank arm from said drive slot.
  • the disengaging means are operatively associated with a said lock for selectively locking the boltwork when in its thrown condition, whereby operation of the lock acts to disengage the crank arm from the drive slot as aforesaid.
  • the disengaging means may be embodied as an independent key or combination operated mechanism, separate from any such lock.
  • the disengagement of the crank arm from the drive slot may be effected by a movement of the crank arm in a direction transverse to the rotational axis thereof, in which case the crank arm may be provided with a slot within which is received a flat-sided rotary drive member operatively associated with the manually operable member, thereby to permit both the transmission of rotary motion from the drive member to the crank arm upon manipulation of the manually operable member and motion of the crank arm relative to the drive member in a said transverse direction upon operation of the disengaging means.
  • the invention also provides, per se, a safe, vault, strongroom or the like security enclosure of which the door comprises a bolt mechanism in accordance with the foregoing.
  • a handle (not shown) is mounted externally of the door 1 and has a spindle 2 that extends through the door to be coupled to a crank arm 3. More particularly the spindle 2 extends into a slot 4 in the arm 3 and is there fitted with a bush 5 that has flats 5A which contact with the opposite walls 6 of the slot 4.
  • the arm 3 accordingly turns with the spindle 2 under torque applied to the handle, but can slide transversely with respect to the rotational axis of the spindle 2.
  • the arm 3 carries a crank pin 7 to engage in a drive slot 8 of a scotch-yoke coupling to a connecting bar 9.
  • the connecting bar is mounted to slide longitudinally and is coupled to a strap 10 that carries the safe bolts 11 (only one of which is shown in part). Turning of the spindle 2 accordingly turns the crank arm 3 and moves the pin 7 up or down the slot 8. This movement of the pin 7 drives the bar 9 to and fro and thereby throws the bolts 11 or withdraws them in dependence upon the sense in which the external handle is rotated.
  • a fixed locking block 17 which lies in the path of the pin (but being offset from the arm 3, plate 15 and bar 9).
  • the opposing flank 8B of the drive slot 8 is extended in comparison with flank 8A, as shown in the Figure, so that the pin 7 does not become isolated from this longer flank, the blocking of the rotational movement of the pin will provide an additional positive locking action against the withdrawal of the safe bolts.
  • a longitudinal slot 18 is provided in the plate 15 to clear the bush 5 as the plate moves to and fro with the lock bolt 13, and similarly a longitudinal slot 19 is provided in the connecting bar 9 to clear the spindle 2 during its to and fro movement as the safe bolts are thrown and withdrawn.
  • FIGS 3 and 4 A modification to the mechanism is illustrated in Figures 3 and 4.
  • an arm 9 1 , pin 7', plate 15' and slot 16' equivalent to the components identified by the same unprimed reference numerals in Figures 1 and 2.
  • a flat-sided spindle 2' (or an equivalent bush) which engages between the flats 6' of a slot 4' in the arm 3' to drive the latter in rotation when the safe bolts are thrown or withdrawn, but the throw of the lock bolt to which the plate 15' is connected is such that when the plate is moved on operation of the lock the crank pin and arm are carried down into a position in which the spindle 2' lies in an end 4A' of the slot 4' which is opened out to a diameter not less than the greatest cross- sectional dimension of the spindle.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transmission Devices (AREA)
  • Lock And Its Accessories (AREA)

Claims (11)

1. Mécanisme de verrouillage de la porte (1) : d'une enceinte de sûreté, comprenant: (a) un organe qui peut être actionné manuellement et qui est accessible de l'extérieur de cette enceinte; (b) un bras de manivelle (3, 3') que cet organe peut faire tourner dans les deux sens et qui peut être mis en prise avec une encoche d'entraînement (8) d'un organe de transmission (9) à déplacement linéaire, coopérant avec l'élément de verrouillage (10, 11) de la porte de façon que, lorsque l'organe actionné manuellement fait tourner ce bras de manivelle dans un sens ou dans l'autre, ledit bras fasse coulisser linéairement cet organe de transmission dans le sens correspondant de manière à pousser ou faire reculer cet élément de verrouillage; (c) une serrure (12), qui est destinée à bloquer à volonté ledit élément de verrouillage (10, 11) lorsque celui-ci a été poussé; et (d) un élément de dégagement (15, 15'), qui est destiné à dégager à volonté l'organe actionné manuellement de l'élément de verrouillage quand celui-ci a été poussé, au moins dans le sens dans lequel cet organe transmet à cet élément un effort tendant à faire reculer ce dernier, mécanisme caractérisé en ce que l'élément de dégagement (15,15') peut agir de façon à dégager le bras de manivelle (3, 3') de l'encoche d'entraînement (8).
2. Mécanisme selon la revendication 1, caractérisé en ce que l'élément de dégagement (15, 15') coopère avec la serrure (12) de façon que le fermeture de cette serrure ait pout effet de dégager le bras de manivelle (3, 3') de l'encoche d'entraînement (8).
3. Mécanisme selon l'une des revendications 1 et 2, caractérisé en ce que le bras de manivelle (3, 3') est déplacé perpendiculairement à son axe de rotation pour être dégagé de l'encoche d'entraînement (8).
4. Mécanisme selon la revendication 3, caractérisé en ce que le bras de manivelle (3, 3') est percé d'une boutonnière (4, 4'), dans laquelle passe un organe rotatif d'entraînement (5, 2') à plats latéraux, coopérant avec l'organe actionné manuellement de manière à permettre, d'une part de transmettre le mouvement de rotation de cette organe d'entraînement au bras de manivelle, en agissant sur cet organe actionné manuellement et d'autre part de déplacer ce bras de manivelle par rapport audit organe d'entraînement, perpendiculairement à l'axe de rotation de ce dernier, en faisant agir l'élément de dégagement (15, 15').
5. Mécanisme selon l'une des revendications 3 et 4, caractérisé en ce que le bras de manivelle (3, 3') est disposé de façon à venir en prise avec l'encoche d'entraînement (8) l'intermédiaire d'un bouton (7, 7') monté sur ce bras, et en ce que l'élément de dégagement est un organe (15, 15') à déplacement linéaire, qui comporte une boutonnière courbe (16, 16') dans laquelle ce bouton passe et le long de laquelle il se déplace lorsque le bras de manivelle est entraîné en rotation dans le but de pousser ou de faire reculer l'élément de verrouillage (10, 11), mais de façon que, en se déplaçant, cet organt de dégagement ait pour effet de dégager le bouton de l'encoche d'en- tratnement (8).
6. Mécanisme selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte un élément (17) destiné à empêcher le bras de manivelle (3, 3') de tourner lorsque celui-ci a été dégagé de l'encoche d'entraînement (8).
7. Mécanisme selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de dégagement (15, 15') peut agir de façon à dégager le bras de manivelle (3, 3') de celui (8A) des flancs de l'encoche d'en- trainement (8) qui transmet, de ce bras à l'organe de transmission (8), l'effort destiné à faire reculer l'élément de verrouillage (10, 11), mais sans le dégager du flanc opposé (8B).
8. Mécanisme selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de dégagement (15') a encore pour effet de dégager assez le bras de manivelle (3') d'un organe rotatif d'entraînement (2'), qui coopère avec l'organe actionné manuellement et qui et disposé de manière à transmettre normalement dans les deux sens le mouvement de rotation de cet organe actionné manuellement à ces bras de manivelle, pour empêcher ce mouvement de rotation d'être transmis.
9. Mécanisme selon la revendication 9, caractérisé en ce que le bras de manivelle (3') est déplacé perpendiculairement à son axe de rotation pour être dégagé de l'organe rotatif d'entraînement (2').
10. Mécanisme selon la revendication 9, caractérisé en ce que l'organe rotatif d'en- trainement (2') comporte deux plats latéraux opposés et est logé dans une boutonnière (4') du corps de manivelle (3'); en ce que cette boutonnière comporte une première partie dont les flancs (6') sont complémentaires des plats latéraux de cet organe d'entraînement et une seconde partie adjacente (4A'), dont la section droite est assez grande pour permettre audit organe d'y tourner librement; et en ce que l'élément de dégagement (15') peut être actionné de façon à faire passer ce bras de manivelle, d'une position dans laquelle l'organe d'entraînement se trouve dans la première partie de la boutonnière à une position dans laquelle il se trouve dans la seconde partie de cette boutonnière.
11. Enceinte de sécurité, caractérisée en ce que sa porte (1) comporte un mécanisme de verrouillage selon l'unè quelconque des revendications précédentes.
EP19800300830 1979-03-23 1980-03-19 Mécanisme de verrou, et enceinte de sécurité munie d'un tel mécanisme Expired EP0018712B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7910358 1979-03-23
GB7910358 1979-03-23

Publications (2)

Publication Number Publication Date
EP0018712A1 EP0018712A1 (fr) 1980-11-12
EP0018712B1 true EP0018712B1 (fr) 1983-01-12

Family

ID=10504102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19800300830 Expired EP0018712B1 (fr) 1979-03-23 1980-03-19 Mécanisme de verrou, et enceinte de sécurité munie d'un tel mécanisme

Country Status (2)

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EP (1) EP0018712B1 (fr)
DE (1) DE3061569D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT74223B (en) * 1981-01-07 1983-07-21 Chubb & Sons Lock & Safe Co Door-locking mechanisms for security enclosures

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE333657C (de) * 1919-05-20 1921-03-02 Jozef Gralla Sicherheitsschloss
GB936155A (en) * 1960-07-29 1963-09-04 Ratner Safe Company Ltd Improvements in or relating to locks for the doors of safes, strong rooms and the like

Also Published As

Publication number Publication date
DE3061569D1 (en) 1984-01-26
EP0018712A1 (fr) 1980-11-12

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