EP0117744B1 - Mécanisme de fermeture - Google Patents

Mécanisme de fermeture Download PDF

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Publication number
EP0117744B1
EP0117744B1 EP19840301224 EP84301224A EP0117744B1 EP 0117744 B1 EP0117744 B1 EP 0117744B1 EP 19840301224 EP19840301224 EP 19840301224 EP 84301224 A EP84301224 A EP 84301224A EP 0117744 B1 EP0117744 B1 EP 0117744B1
Authority
EP
European Patent Office
Prior art keywords
locking
bolt
plate
door
slide 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
Application number
EP19840301224
Other languages
German (de)
English (en)
Other versions
EP0117744A2 (fr
EP0117744A3 (en
Inventor
John Colin Smith
Patrick Ernest Christmas
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.)
Schlegel UK Holdings Ltd
Original Assignee
Schlegel UK Holdings 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 Schlegel UK Holdings Ltd filed Critical Schlegel UK Holdings Ltd
Publication of EP0117744A2 publication Critical patent/EP0117744A2/fr
Publication of EP0117744A3 publication Critical patent/EP0117744A3/en
Application granted granted Critical
Publication of EP0117744B1 publication Critical patent/EP0117744B1/fr
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
    • E05C9/041—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening with rack and pinion mechanism
    • 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
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/185—Preventing actuation of a bolt when the wing is open
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/18—Details of fastening means or of fixed retaining means for the ends of bars
    • E05C9/1825—Fastening means
    • E05C9/1833—Fastening means performing sliding movements
    • E05C9/185—Fastening means performing sliding movements parallel with actuating bar

Definitions

  • This invention relates to a locking mechanism designed for use on horizontal sliding doors and windows but which could be used in other applications to lock a movable member in a closed position.
  • Many sliding doors e.g. patio doors, have a frame for the glass which includes a lock stile, the width of which is small in relation to the overall width of the door.
  • the minimum width of lock stile is dictated by the width of locking cylinder which is a proprietary item and in the case of hollow metal box section lock stiles, the minimum internal width of the box section for most proprietary locking cylinders is about 31 mm.
  • the locking mechanism of this invention has been designed to fit into such minimum width lock stiles.
  • multipoint locking e.g. for there to be locking members provided at spaced locations around the periphery of the leading edge of the door.
  • head and sill bolts are provided but this still leaves the central leading edge portion of the door susceptible to forcing with a jemmy or other suitable object and it is preferred, therefore, that at least one further locking device is provided along the leading edge of the door at a central location.
  • head and sill bolts and two locking devices can be provided, all activated by the same mechanism.
  • a locking mechanism comprising a drive pinion in meshing engagement with a slide plate so that when the drive pinion is rotated in one sense, the slide plate slides in one direction and vice-versa.
  • a lock mechanism is also provided by way of a locking cylinder so that it prevents rotation of the drive pinion between an inoperative position and a locking position.
  • the mechanism also provides multipoint locking with head and sill bolts and an anti-slam device is provided at the head of the door, and when the door is in an open position, a rod projects from the top edge of the door.
  • the rod On closing the door, the rod hits a plate on the door frame which causes it to move into the door, thereby causing rocking movement of a bell-crank lever, which in turn retracts a locking lever out of engagement with a rack movable with the head bolt. This means that the head bolt can then be moved to a door locking position.
  • DE-A-2 621 986 discloses the provision of bolt studs (3) and (4) extending from the locking mechanism in a direction at right angles to the direction of movement of a locking bolt (34), thus giving multi-point locking.
  • a locking bolt 34
  • there is a risk with such projecting bolt studs especially if the lock has been operated inadvertently to cause the bolt studs to project, or the studs or keeper plates for them or even the door or window frame itself, being damaged if the door with the studs projecting is then slammed shut.
  • the present invention prevents such damage occurring, and seeks to provide a more compact anti-slam device than that disclosed in DE-A-2 611 359.
  • a locking mechanism for use with sliding doors and the like, comprising a drive pinion mounted for rotational movement between front and rear support plates, at least one slide plate in meshing engagement with the drive pinion so that when the drive pinion is rotated in one sense, said at least one slide plate will slide in one direction and vice-versa, a bolt movable with the slide plate between a withdrawn inoperative position and an extended locking position, locking means controlled by a locking cylinder and mounted for movement between an inoperative position and a locking position in which it prevents movement of the bolt, and an anti-slam device to prevent the mechanism moving to a locking position when the sliding door or the like to which it is fitted is in an open position, characterised in that a removable bolt stud extends from the mechanism in a direction at right angles to the bolt and in that the anti-slam device includes a plunger mounted in the same leading edge of the door or the like in which the bolt stud is mounted, the plunger being biassed to a projecting position and having
  • the cross-pin is a rectangular bar which is provided adjacent each end with a reduced circular pin, the bar being slidable in the generally L-shaped slot and the reduced circular pins in the transverse slots.
  • two slide plates are provided, one located on each side of the drive pinion and in meshing engagement therewith so that rotation of the pinion in one sense will cause the slide plates to move in opposite directions, there being a second bolt associated with the second slide plate.
  • a bolt rod carrier is supported on an end of each slide plate remote from its point of meshing engagement with the drive pinion to which a respective bolt is adjustably connected, one bolt comprising a head bolt and the other comprising a sill bolt.
  • each bolt rod carrier has a threaded passage therein extending at right angles to the longitudinal axis of the bolt to receive a threaded end of a bolt stud, there preferably being a friction pad interrupting the thread in said passage to lock a bolt stud screw-threadedly engaged in the passage at any suitable adjusted position.
  • the bolt studs preferably have an enlarged head on their free end for engagement with a keep plate having keyhole shaped apertures designed for co-operation with the studs and for mounting on the frame for the door or window to which the mechanism is fitted.
  • the locking means comprises a plate which has an aperture therein for accommodating a boss of the drive pinion and projecting into this aperture from its periphery is a locking lug which engages in a suitable recess in the drive pinion or between its sprocket teeth, when the plate is in a locking position.
  • the locking plate has a tail for engagement with a cam on the locking cylinder at one of its ends and at its opposite end a pair of detents engageable by a leaf spring to hold the plate in either its locking or unlocked position.
  • an aperture is also provided in this end of the plate for engagement by one end of a pivotally mounted locking snib which can be used manually to deadlock the mechanism if the locking cylinder can only be key-operated from one side, e.g. the outside.
  • the mechanism includes a drive pinion 1 rotatably supported between a front plate 2 and a rear plate 3 by means of stepped hubs 31 and 32.
  • the drive pinion has a plurality of castellated drive teeth 33 spaced apart around its circumference, the spacing corresponding approximately to the width of each tooth.
  • the front and rear plates 2 and 3 are held in spaced relationship by suitable stepped fixing rivets 34 which themselves are hollow and have transverse bores 35 therein to assist with fixing the mechanism in a door stile.
  • a pair of slide plates 4 and 5 Slidably supported between the front and rear plates 2 and 3 are a pair of slide plates 4 and 5, the plate 4 sliding against the inside surface of the front plate 2 and having apertures therein to accommodate the stepped boss 32 and the rivets 34, and the plate 5 being similarly mounted for sliding movement against the rear face of the rear plate 3.
  • Each cfthe plates 4 and 5 has a plurality of apertures 36 therein for meshing engagement with the teeth 33 on the pinion 1 so as to provide what is in effect a rack and pinion.
  • the exact construction of the rack and pinion arrangement could be different from that illustrated. It will thus be appreciated that when the pinion 1 is rotated in one sense, by operation of a handle 22, secured thereto in known manner, the plates 4 and 5 will move apart and vice-versa. As is apparent from Figures 2 and 3, rotation of the pinion 1 in a clockwise direction will cause the plates 4 and 5 to move from an extended locking position towards each other to a withdrawn unlocked position.
  • the plate 5 At its end remote from its meshing engagement with the pinion 1, the plate 5 has a bolt rod carrier or block 7 connected thereto with which a sill bolt 15 is screw-threadedly engaged so as to be adjustable relative thereto.
  • a transverse internally threaded bore 37 is also provided in the carrier 7 optionally to receive a bolt stud 9 having an enlarged head 38.
  • the bolt stud 9 has an external screw-thread for engagement in the bore 37 and the amount by which it projects from the carrier 7 can be adjusted merely by screwing the stud into or out of the carrier so as to accommodate manufacturing tolerances in the door or window and its frame in which the mechanism is fitted, and the stud is held in any adjusted position by means of a friction pad 39 which interrupts the screw thread in the bore 37 in known manner.
  • a similar bolt rod carrier 6 is supported on the slide plate 4 at its end remote from its meshing engagement with the pinion 1 and this adjustably supports a head bolt 16 and a bolt stud 8 in a similar manner to the bolt 15 and stud 9.
  • both the head and sill bolts 15 and 16 may in fact be bolt rods having actual bolt members secured to their ends (not shown) remote from the carriers 6 and 7.
  • Each of the bolt studs 8 and 9 is optional and if fitted each is arranged to co-operate with a keep plate (not shown) which would be fitted to a stationary frame member.
  • This keep plate would incorporate a pair of generally keyhole shaped apertures facing in opposite directions, the large portion of each aperture having a size sufficient to allow the heads of the studs to pass therethrough when the door or window to which the mechanism is fitted is moved to a closed position, and the narrow portion of each aperture being sufficiently wide just to accommodate the shaft of each bolt stud with the enlarged head of the bolt stud riding in a hollow space behind the keep plate when the mechanism is moved to a locking position.
  • the mechanism is designed with a deadlock facility operated by a traditional key-operated locking cylinder 17 which is held in position in the mechanism by a cylinder screw 18.
  • the locking cylinder has a cam 40 associated therewith and this is arranged to co-operate with a turned over end portion 41 of a lock plate 10 which itself is slidably supported on the hub 32 of the pinion 1, there being an elongated aperture 42 in the plate 10 for this purpose. Projecting into this aperture from the periphery thereof is a lug 43 which can engage in a recess 44 in the pinion 1 when the pinion has been rotated to a bolt locking position.
  • the lug 43 may be replaced by a different shaped lug which can be engaged between the teeth 33 on the pinion 1.
  • the lock plate 10 has a pair of spaced detents 45 therein, one of which can be engaged by a nose on a leaf spring 21 when the lock plate is in its released position and the other of which is engaged by the nose on the spring 21 when the lock plate is in its locking position.
  • an aperture 46 which may be engaged by the free end of an interior locking snib 11 which is provided if the locking cylinder 17 is only provided with an external key aperture.
  • the locking snib 11 would be pivotally mounted in known manner by means of an axle 47 supported on the lock stile of the door indicated at 14 in Figure 1.
  • a handle spacer is schematically shown at 13 and the base plate for the handle 22 is shown at 12, there being suitable apertures therein to accommodate the snib 11.
  • the locking snib is moved from its broken line position to its full line position to move the lock plate into a deadlocked position.
  • a locking mechanism is provided which is extremely compact and capable of fitting in the smallest possible door stile which will also accept a standard key-operated locking cylinder.
  • the mechanism is shown as fitted with head and sill bolts 15 and 16 and a pair of bolt studs 8 and 9, but it will be appreciated that any one or more of these may be omitted.
  • the bolt studs 8 and 9 could have different constructions, for example, they could have a hook shape rather than be provided with the enlarged heads 9.
  • the head and/or sill bolts may not be provided, in which case a further anti-slam device is provided to prevent the bolt studs which have been inadvertently moved to their locking position damaging the keeper plates if the door is slammed.
  • a plunger 51 is slidably supported, so as to project through a leading face of the door (the same face from which studs 9 project), by means of a rectangular crossbar 61, the reduced circular ends 53 of which are slidable in slots 55 in the front and rear support plates 2 and 3.
  • the plunger 51 is biassed to its projecting position ( Figure 3) by a coil spring 59.
  • Each end of crossbar 61 is arranged to be accommodated in an L-shaped slot 63 in each slide plate 4 and 5.
  • the slots 63 have their longer limb 65 extending parallel to the direction of movement of the slide plates 4, 5, and their shorter limbs 67 extending normal to this direction.

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

Claims (11)

1. Mécanisme de fermeture, destiné à être utilisé avec des portes coulissantes et analogues, comprenant un pignon d'entraînement (1) monté de manière à pouvoir tourner entre des plaques de support avant et arrière (2, 3), au moins une glissière (4, 5) engrenant avec le pignon d'entraînement (1) de sorte que, lorsque le pignon d'entraînement (1) tourne dans un sens, ladite au moins une glissière (4 ou 5) glisse dans une direction et vice versa, un boulon (16 ou 15) déplaçable avec la glissière (4 ou 5) entre une position inactive rétractée (4 sur la figure 3) et une position étendue de fermeture (4 sur la figure 4), des moyens de verrouillage (10) commandés par un cylindre de verrouillage (17) et montés de manière à pouvoir se dèplacer entre une position inactive (10 sur la figure 3) et une position de verrouillage (10 sur la figure 4), dans laquelle il empêche le dèplacement du boulon (15 ou 16), et un dispositif empêchant une fermeture brusque (51-67) servant à empêcher le mécanisme de venir dans une position de verrouillage lorsque la porte coulissante ou analogue, sur laquelle il est monté, est dans une position ouverte, caractérisé en ce qu'un goujon fileté amovible (8 ou 9) s'étend à partir du mécanisme dans une direction perpendiculaire au boulon (16 ou 15) et en ce que le dispositif empêchant la fermeture brusque (51-67) comporte un poussoir (51) monté dans le même bord avant de la porte ou analogue, que celui dans lequel le goujon fileté (8, 9) est monté, le poussoir (51) étant sollicité dans une position saillante (51) sur la figure (3) et possédant une goupille transversale (53, 61) servant à supporter le poussoir de manière qu'il glisse dans des fentes transversales (55) ménagées dans les plaques de support avant et arrière (2, 3), la groupille transversale pouvant glisser dans une fente en forme générale de L (63) méngée dans la ou chaque glissière (4, 5), la branche la plus courte (67) de la fente en forme de L (63) s'étendant transversalement par rapport à la direction de déplacement de la ou chaque glissiére (4, 5) et étant située de telle sorte que, lorsque la glissière (4 ou 5) vient dans sa position inactive rétractée, la branche la plus courte (67) est disposée de manière à permettre au poussoir (51) de se déplacer, sous l'action de la sollicitation de son ressort (59), en direction de sa position saillante de sorte que la goupille transversale (61) peut se déplacer depuis sa position normale dans la branche la plus longue (65) de sa fente en forme de 1 (63) pour venir dans la branche la plus courte (67), le poussoir (51) empêchant ainsi la ou chaque glissière (4,5) de venir dans sa position de verroullage' juqu'à ce que la porte vienne dans une position fermée, auquel cas le poussoir (51) s'applique contre un montant (69) prévu pour la porte et est repoussé dans une position rétractée lorsque la porte se rapproche du montant (69), ce qui dégage la goupille transversale de la branche la plus courte (67) de la fente (63) de sorte que la ou chaque glissière (4, 5) peut être déplacée si bien que le boulon (16 ou 15) peut être amené dans une position de verrouillage.
2. Mécanisme de fermeture selon la revendication 1, caractérisé en ce que la goupille transversale est un barrette rectangulaire (61) comportant, au voisinage de chaque extrémité, des goupilles transversales circulaires (53) de taille réduite, les goupilles transversales (53) glissant à l'intérieur des fentes (55) et la barrette rectangulaire (61) pouvant glisser dans la fente en forme générale de 1 (63).
3. Mécanisme de fermeture selon la revendication 1 ou 2, caractérisé en ce que les deux glissiéres (4, 5) sont prévues de telle sorte que chacune d'elles est située de chaque côté du pignon d'entraînement (1) et engrène avec ce dernier de sorte que la rotation du pignon (1) dans un sens entraîne un déplacement des glissières (4, 5) dans des directions opposées, un second boulon (15 ou 16) étant associé à la seconde glissière (5 ou 4).
4. Mécanisme de fermeture selon la revendication 3, caractérisé en ce qu'un support (6 ou 7) de tige de boulon est supporté par une extrémité de chaque glissière (4 ou 5) dans une position distante de son point d'engrènement avec le pignon d'entraînement (1), auquel un boulon respectif (15 ou 16) est raccordé d'une manière pouvant être ajustée, un boulon (16) étant formé par un boulon à tête tandis que l'autre est formé par un boulon à embase (15).
5. Mécanisme de fermeture selon la revendication 4, caractèrisé en ce que chaque support (6 ou 7) de tige de boulon comporte un passage taraudé (37) perpendiculaire à l'axe longitudinal du boulon (16 ou 15) et servant à recevoir une extrémité filetée (9) d'un goujon fileté (8 ou 9).
6. Mécanisme de fermeture selon la revendication 5, caractérisé en ce qu'un tampon defriction (39) interrompt le taraudage (37) situé dans ledit passage de manière à verrouiller un goujon fileté (8 ou 9) inséré par vissage dans le passage, dans n'importe quelle position ajustée appropriée.
7. Mécanisme de fermeture selon la revendication 5 ou 6, caractérisé en ce que les goujons filetès (8, 9) possèdent, au niveau de leur extrémité libre, une tête èlargie (38) destinèe à coopérer avec une plaque de retenue possédant des ouvertures en forme de rainures de clavette et conçues pour coopérer avec les goujons (8, 9), et à être montée sur le cadre prévu pour la porte ou la fenêtre, dans lequel le mécanisme est monté.
8. Mécanisme de fermeture selon l'une quelconque des revendications précédentes, caractérisé en ce que les moyens de verrouillage comprennent une plaque (10) possédant une ouverture (42) destinée à recevoir un bossage (31, 32) du pignon d'entraînement et qu'à partir du pourtour de cette ouverture (42) et à l'intérieur de cette ouverture fait saillie un ergot de verrouillage (43) qui s'engage dans un renfoncement approprié (44) ménagé dans le pignon d'entraînement (1) ou entre les dents d'entraînement (33) de ce pignon lorsque la plaque est dans une position de verrouillage (10 sur la figure 4).
9. Mécanisme de fermeture selon la revendication 8, caractérisè en ce que l'ergot de verrouillage (43) ne peut engrener avec le pignon d'entraînement (1) que lorsque le ou chaque boulon (16 ou 15) se trouve dans une position étendue de verrouillage.
10. Mécanisme de fermeture selon la revendication 8 ou 9, caractérisé en ce que la plaque de verrouillage (10) comporte, à l'une de ses extrémités, un élément de queue (41) destiné à venir en contact avec une came (40) située sur le cylindre de verrouillage (17), et, à son extrémité opposée, un couple d'arrêts (45) dans lesquelles peut s'engager un ressort à lame (21) pour retenir la plaque (10) dans sa position de verrouillage ou dans sa position non verrouillée.
11. Mécanisme de fermeture selon la revendication 10, caractérisé en ce que dans cette extrémité de la plaque se trouve également prévue une ouverture (46) dans laquelle peut s'engager une extrémité d'un élément d'arrêt de verrouillage (11) monté pivotant, qui peut être utilisé pour bloquer le mécanisme si le cylindre de verrouillage (17) peut être actionné par une clé uniquement d'un côté, par exemple à partir de l'extérieur.
EP19840301224 1983-02-28 1984-02-24 Mécanisme de fermeture Expired EP0117744B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838305504A GB8305504D0 (en) 1983-02-28 1983-02-28 Locking mechanism
GB8305504 1983-02-28

Publications (3)

Publication Number Publication Date
EP0117744A2 EP0117744A2 (fr) 1984-09-05
EP0117744A3 EP0117744A3 (en) 1985-02-20
EP0117744B1 true EP0117744B1 (fr) 1988-07-27

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ID=10538733

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840301224 Expired EP0117744B1 (fr) 1983-02-28 1984-02-24 Mécanisme de fermeture

Country Status (3)

Country Link
EP (1) EP0117744B1 (fr)
DE (1) DE3472994D1 (fr)
GB (1) GB8305504D0 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8899635B2 (en) 2008-10-03 2014-12-02 Truth Hardware Corporation Sliding door multipoint mortise lock with shoot bolts

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2598171B2 (fr) * 1986-05-02 1993-09-03 Ferco Int Usine Ferrures Ferrure de verrouillage, notamment pour ouvrant coulissant
GR1000094B (el) * 1989-06-08 1991-03-15 Konstantinos Gerousis Μηχανισμος ασφαλισεως συρομενων κουφωματων σε τεσσερεις θεσεις συγχρονως.
GB9001901D0 (en) * 1990-01-27 1990-03-28 Marston & Co Ltd Albert Fastening mechanism
GB2360062B (en) * 2000-03-10 2002-05-22 Santos Manuf Lda Improvements in espagnolette bolting systems
US8550506B2 (en) * 2009-06-30 2013-10-08 Truth Hardware Corporation Multi-point mortise lock mechanism for swinging door
US9482035B2 (en) 2014-06-20 2016-11-01 Truth Hardware Corporation Recessed lock actuating device for sliding doors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486460A (en) * 1946-05-22 1949-11-01 Frederick A Bonenberger Multiple door lock
NL163593C (nl) * 1975-05-21 1980-09-15 Herpen Frederik Cornelis Van Deur- of raamsluiting.
DE2611359C2 (de) * 1976-03-18 1983-08-04 Scovill Sicherheitseinrichtungen Gmbh, 5620 Velbert Treibstangenverschluß für Türflügel
GB2043762B (en) * 1979-02-15 1982-11-24 Schlegel Uk Ltd Lock for sliding door
GB2101667B (en) * 1981-05-05 1984-12-05 Schlegel Lock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8899635B2 (en) 2008-10-03 2014-12-02 Truth Hardware Corporation Sliding door multipoint mortise lock with shoot bolts

Also Published As

Publication number Publication date
EP0117744A2 (fr) 1984-09-05
EP0117744A3 (en) 1985-02-20
GB8305504D0 (en) 1983-03-30
DE3472994D1 (en) 1988-09-01

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