EP0661409B1 - Serrure et ensemble serrure pour porte ou fenêtre - Google Patents

Serrure et ensemble serrure pour porte ou fenêtre Download PDF

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Publication number
EP0661409B1
EP0661409B1 EP19940309895 EP94309895A EP0661409B1 EP 0661409 B1 EP0661409 B1 EP 0661409B1 EP 19940309895 EP19940309895 EP 19940309895 EP 94309895 A EP94309895 A EP 94309895A EP 0661409 B1 EP0661409 B1 EP 0661409B1
Authority
EP
European Patent Office
Prior art keywords
deadbolt
locking
lock
keep
bar
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
EP19940309895
Other languages
German (de)
English (en)
Other versions
EP0661409A3 (fr
EP0661409A2 (fr
Inventor
Melvin John Hutton
Andrew John Waddell
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.)
Era Security Hardware Ltd
Original Assignee
Cego Frameware 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 Cego Frameware Ltd filed Critical Cego Frameware Ltd
Publication of EP0661409A2 publication Critical patent/EP0661409A2/fr
Publication of EP0661409A3 publication Critical patent/EP0661409A3/fr
Application granted granted Critical
Publication of EP0661409B1 publication Critical patent/EP0661409B1/fr
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
    • 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
    • E05C9/1875—Fastening means performing pivoting movements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
    • E05B15/0205—Striking-plates, keepers, staples
    • E05B15/024—Striking-plates, keepers, staples adjustable
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
    • E05B17/2007—Securing, deadlocking or "dogging" the bolt in the fastening position
    • E05B17/2049—Securing, deadlocking or "dogging" the bolt in the fastening position following the movement of the bolt
    • 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
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/16—Locks or fastenings with special structural characteristics with the handles on opposite sides moving independently
    • 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
    • E05C9/02—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening
    • E05C9/021—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening with rack and pinion mechanism
    • 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
    • E05C9/02—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening
    • E05C9/026—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening comprising key-operated locks, e.g. a lock cylinder to drive auxiliary deadbolts or latch bolts

Definitions

  • the invention relates to a lock for a door or window comprising a latch which is spring biased towards an operative position and is retractable to allow the door or window to close, a latch operating mechanism for retracting the latch when the door or window is-to be opened, a deadbolt which is movable between an operative, advanced position and an inoperative, retracted position by a deadbolt operating mechanism, and a key operated deadlocking mechanism for deadlocking the deadbolt in its operative position, the deadlocking mechanism comprising a locking member which is movable between a deadlocking position in which it prevents movement of the deadbolt operating mechanism to retract the deadbolt and an inoperative position in which the deadbolt operating mechanism is free to move the deadbolt, a tumbler which is spring biased towards a rest position in which the tumbler prevents the locking member moving to its deadlocking position when in its inoperative position and prevents the locking member moving to its inoperative position when in its deadlocking position, and a follower member which moves in response to turning of the
  • DE-U-9107714 Such a lock is disclosed in DE-U-9107714.
  • the lock of DE-U-9107714 relies on a spring to move the locking member into its deadlocking position.
  • the locking member and the tumbler are linearly slideable.
  • the combination of the pivoted locking arm and the pivoted tumbler provides a particularly simple and reliable method of ensuring that the deadbolt cannot be deadlocked or undeadlocked without using the key.
  • the locking arm and the tumbler lie in different planes and have transversely projecting stops which interengage to prevent movement of the locking arm to its deadlocking position or back to its inoperative position when the tumbler is in its rest position.
  • the locking arm is arranged so that turning the key sufficiently in the undeadlocking direction when the locking arm is in its inoperative position causes the follower member to engage and move the locking arm away from the inoperative position in a direction opposite from the deadlocking position whereby the locking arm acts to retract the latch.
  • the latch operating mechanism may comprise a handle, a rotary cam plate which is rotatable by turning the handle, and a pivoted latch lever on which the cam plate acts to cause the lever to retract the latch against its spring bias when the handle is turned in one direction.
  • the deadbolt operating mechanism preferably comprises a handle, a follower gear which is rotatable by turning the handle, a reciprocable rack member which is engaged by the follower gear, and a transmission gear which is engaged by the rack member and which also engages a rack provided on the deadbolt so that the deadbolt moves in a direction which is substantially at right angles to the direction in which the rack member is movable.
  • it is preferably the rack member of the deadbolt operating mechanism that the locking arm cooperates with to prevent retraction of the deadbolt when the locking arm is moved to its deadlocking position.
  • the handle of the deadbolt operating mechanism may be the same handle as that of the latch operating mechanism, the deadbolt being advanced by turning the handle from a neutral position in the opposite direction to that in which it is turned to retract the latch.
  • the deadbolt operating mechanism may also comprise a second handle which is on the opposite side of the lock from the first handle and is rotatable about an axis offset from that of the first handle, the second handle acting on a second follower gear which engages the rack member so that the deadbolt can also be operated by turning the second handle.
  • the transmission gear is a stepped gear so that the linear travel of the rack member produces a greater linear travel of the deadbolt. Accordingly, the deadbolt may have a throw which is considerably greater than in conventional locks of the same size.
  • the lock comprises a casing formed by a die-cast internal frame providing a rear and two opposite end walls of the casing, and two cover plates fastened to the frame on opposite sides thereof.
  • the internal frame may be made of aluminium or zinc alloy and arranged to support some of the components of the lock, such as the locking arm and the tumbler, and the cover plates may be made of steel, preferably stainless steel, and arranged to support other pivotally mounted components of the lock such as the handles and the latch lever.
  • Such a construction facilitates the manufacture and assembly of the lock, and may also be used advantageously in other forms of lock.
  • the lock of the present invention is intended primarily for use as part of a multi-point locking assembly comprising at least one additional locking device which, in use, is connected to the lock by a connector bar such that a locking member of the or each additional device is advanced and retracted simultaneously with the deadbolt in response to linear movement of the connector bar by the deadbolt operating mechanism of the lock.
  • the locking member of the or each additional locking device of the assembly may be a bolt or a pivoted hook.
  • the locking member of the or each additional locking device is a hook which is pivoted between its advanced and retracted positions by linear movement of a slide plate which is connected to the connector bar and which is connected to the hook by means of a pin carried by either the hook or the slide plate and engaging in a slot in the slide plate or the hook respectively.
  • the assembly includes a keep bar which, in use, is fitted to the fixed frame surrounding the door or window and which is provided with an aperture through which the locking member of the additional locking device projects when the door or window is closed and the locking member is advanced to its operative position.
  • the side face of the free end portion of the locking member may be chamferred on the side facing the side on which the door or window opens, so that the chamferred face will engage the side edge of the keep bar aperture and exert a camming action which draws the door or window tightly closed as the locking member is advanced through the aperture.
  • the position of the camming side edge of the aperture is adjustable in order to ensure that the desired pull-in of the door or window is achieved, and for this purpose the aperture is defined by a slot in a separate keep plate which is mounted on the keep bar so that the slot registers with a slot in the keep bar, the position of the keep plate on the keep bar being adjustable.
  • the keep plate is secured to the keep bar by at least one screwed connection, and the position of the keep plate relative to the keep bar is set and maintained by a series of longitudinal serrations on the underside of the keep plate which engage with a corresponding series of longitudinal serrations provided on the surface of the keep bar when the or each screwed connection is tightened.
  • the preferred arrangement for mounting and driving the hook of the or each additional locking device and the preferred arrangement for adjustably mounting and corresponding keep plate on the keep bar may also be used in other forms of multi-point locking assembly.
  • the invention also relates to a multi-point locking assembly for a door or window, comprising a main lock having a latch which is spring biased towards an operative position and is retractable to allow the door or window to close, a latch operating mechanism for retracting the latch when the door or window is to be opened, a deadbolt which is movable between an operative, advanced position and an inoperative, retracted position by a deadbolt operating mechanism, and a key operated deadlocking mechanism for deadlocking the deadbolt in its operative position, and at least one additional locking device which, in use, is connected to the main lock by a connector bar such that a locking member of the or each additional locking device is advanced and retracted simultaneously with the deadbolt in response to linear movement of the connector bar by operation of the deadbolt operating mechanism.
  • a multi-point locking assembly of this kind is disclosed in DE-U-9107714.
  • a multi-point locking assembly of the kind set forth above is characterised in that the locking member of the or each additional locking device comprises a hook which is mounted to pivot between its advanced and retracted positions by linear movement of a slide plate which is connected to the connector bar and which is connected to the hook by means of a pin carried by either the hook or the slide plate and engaging in a slot in the slide plate or the hook respectively and in that the pin also engages in an arcuate guide slot which is provided in a casing of the additional locking device and which is centred on the pivot axis of the hook.
  • Such multi-point locking assemblies are primarily intended for doors, especially doors made of reinforced UPVC for the residential market, although they can also be fitted to large windows.
  • the locking assembly shown in the drawings comprises a central primary lock 1 having, as is conventional, a latch 2 and a deadbolt 3, and two separate auxiliary locking devices 4 and 5 having locking members 6, 7 respectively which, in this example, are in the form of pivoted hooks.
  • the assembly also comprises a single face bar 8 for the lock 1 and the auxiliary locking devices 4 and 5, a keep bar 9 and, optionally, four recess liners 10, 11, 12 and 13.
  • the primary lock 1 and the auxiliary locking devices 4, 5 are set into corresponding vertically aligned recesses cut in the vertical free edge of a door or window with a predetermined spacing between them, the auxiliary locking devices 4 and 5 being positioned near the top and bottom respectively of the edge, and the primary lock 1 being positioned substantially centrally.
  • the vertical edge of the door or window is also provided with a vertical groove in line with the recesses, and the face bar 8 is fitted into this groove, being screwed securely to the door or window and to the lock 1 and the top and bottom locking devices 4, 5 through pre-formed screw holes such as indicated at 14.
  • Also pre-formed in the face bar 8 are slots 15 and 16 positioned to allow the latch 2 and the deadbolt 3 respectively to pass through, and slots 17 and 18 positioned to allow the auxiliary locking hooks 6 and 7 respectively to pass through.
  • the face bar 8 carries two longitudinally slidable connector bars 19 and 20 which connect the primary lock 1 to the auxiliary locking devices 4, 5 respectively (as described later in more detail) for the purpose of causing the locking hooks 6 and 7 to be advanced into operative locking positions or retracted into inoperative positions simultaneously with the deadbolt 3 when the latter is caused to advance to its operative locking position or retract to its inoperative position.
  • each connector bar 19, 20 is held captive and guided on the face bar 8 by means of headed location pins 21 which extend through slots 22 in the connector bars and are secured to the face bar 8.
  • the edge of the surrounding door or window frame which faces the vertical free edge of the door or window when the latter is closed is provided with recesses which are sized and positioned to receive the latch 2, the deadbolt 3 and the auxiliary locking hooks 6 and 7 when these are in their operative advanced positions, and the recess liners 10, 11, 12 and 13 (if provided) are fitted into these recesses.
  • the edge of the surrounding frame is also provided with a vertical groove in line with the recesses, and the keep bar 9 is fitted into this groove and screwed securely to the frame through pre-formed screw holes such as indicated at 23.
  • the keep bar 9 has slots 24 and 25 to allow the latch 2 and the deadbolt 3 respectively to pass through the keep bar into their recesses, and two further slots 26 and 27 to allow the locking hooks 6 and 7 to pass through the bar 9 into their respective recesses.
  • the keep bar 9 is completed by two slotted keep plates 28, 29 which are adjustably mounted on the bar (as described later in more detail) over the slots 26, 27 to adjust the effective apertures through the bar.
  • the primary lock 1 comprises a casing formed by a die-cast internal frame 30 (e.g. of aluminium or zinc alloy) defining the rear wall 31 and opposite end walls 32, 33 of the casing, and two cover plates 34, 35 (preferably of stainless steel) screwed to the internal frame 30 to form the opposite side walls of the casing.
  • the frame 30 defines tapped screw holes 36 for the attachment of the face bar 8 to the front of the casing, and portions 37 and 38 for the mounting and guidance of the latch 2 and deadbolt 3 respectively.
  • the latch 2 is attached to a latch bolt 39 which is slidably mounted in the frame 30 of the casing so that the latch is movable between an operative advanced position as shown for example in Figures 4 and 5 and a retracted position as shown in Figure 8b, the latch being biased towards the advanced position by a latch spring 40 which surrounds the latch bolt 39 and acts between the frame 30 and the latch 2.
  • the latch 2 is of conventional design, being flat on one side and having a curved or angled cam surface on its other side for causing the latch to retract automatically when the door or window is closed.
  • a two armed latch lever 41 is pivotally mounted in the casing by means of a shaft 42 which is journalled in aligned holes 43 in the side plates 34 and 35 of the casing.
  • One arm 44 of the lever 41 is forked and extends on opposite sides of the latch bolt 39 immediately in front of a flange 45 at the tail end of the latch bolt.
  • the other end 50 of the latch lever 41 overlaps a cam plate 51 mounted on a bush 52 which is rotatably mounted at its opposite ends in aligned holes 53 in the casing side plates 34 and 35, the bush 52 having a square sectioned bore 54 for receiving the spindle of a handle (not shown), which may be a lever or a knob.
  • the bush 52 carries a follower bar 55 which extends transversely through the casing parallel to the axis of the bush and is supported and guided at its opposite ends in arcuate slots 56 in the casing side plates 34 and 35.
  • the follower bar 55 extends through a sector shaped slot 57 in the cam plate 51 to provide a lost motion drive coupling between the bush 52 and the cam plate 51.
  • the handle which drives the bush 52 is located on the inside face of the door or window (i.e. on the side facing towards the viewer in Figure 4 and away from the viewer in Figure 5) and turning the handle in a clockwise direction with respect to Figure 5 will cause the follower bar 55 to engage one end of the sector slot 57 and thereby rotate the cam plate 51 with the bush.
  • the handle which engages in the bore 54 of the bush 52 also serves to operate the deadbolt 3.
  • a sector gear 59 is also mounted on the bush 52 and is coupled thereto by means of a sector slot 60 in the gear 59 through which the follower bar 55 of the bush extends to form a lost motion coupling.
  • the teeth of the sector gear 59 engage with a first row of teeth 61 on a rack member 62 which extends longitudinally through the casing near its front face and is guided for reciprocation in the longitudinal direction.
  • the sector slot 57 in the cam plate 51 allows the bush 52 to be turned by the handle to drive the deadbolt 3 to its advanced position without moving the cam plate and the latch.
  • the sector slot 60 in the sector gear 59 allows the bush 52 to be turned by the handle to retract the latch without moving the sector gear and the rack member with the deadbolt 3 is in its retracted position.
  • the sector slot 60 also allows the handle to be returned to its rest position without retracting the deadbolt 3 after it has been advanced. In this condition, however, turning the handle to retract the latch will cause the follower bar 55 to act on both the cam plate 51 and the sector gear 59 so that the latch and the deadbolt are retracted simultaneously.
  • the lock 1 also has a deadlocking mechanism for locking the deadbolt 3 after it has been advanced to its operative position.
  • This mechanism comprises a key operated cylinder lock 69 (shown in Figures 8a and 8b only) which is supported within the casing by the frame 30, the side plates 34 and 35 being provided with aligned key holes 70 for the key 70a of the cylinder lock.
  • the deadlocking mechanism comprises a locking arm 71 which is pivotally supported at one end 72 by the frame 30 and has a pair of jaws 73, 74 defining a recess 75 at its other end facing towards the cylinder lock.
  • the locking arm 71 has an undeadlocked position as shown in Figures 5, 7a and 8a, in which the jaw 74 (but not the jaw 73) lies in the path of a follower 76 on the cylinder of the cylinder lock. In this undeadlocked position the rack member 62 is free to reciprocate so that the deadbolt 3 can be advanced and retracted as desired.
  • the locking arm 71 also has a deadlocked position as shown in Figures 7b and 7c in which the jaw 73 (but not the jaw 74) lies in the path of the cylinder follower 76, and in which the locking arm 71 is operative to prevent movement of the rack member 62 and thereby lock the deadbolt 3 in its advanced position.
  • the locking arm has a lug 98 which projects laterally from one of its sides and engages with a shoulder 99 on the rack member 62 when the latter has been moved to advance the deadbolt and the locking arm has been moved to its deadlocking position.
  • the shoulder 99 may be undercut as indicated by the dotted line 99a in Figure 4, and the cooperating edge of the lug correspondingly angled as indicated by the dotted line 98a.
  • the deadlocking mechanism also comprises a tumbler 77 for preventing movement of the locking arm 71 without using the key 70a in the cylinder lock 69.
  • the tumbler 77 is pivotally mounted on the frame 30 of the casing and is biased by a leaf spring 78 towards a rest position as shown in Figures 7a and 7c, in which a cam surface 79 on the tumbler 77 lies in the path of the cylinder follower 76.
  • the tumbler 77 has a stop 80 projecting from its side which faces towards the locking arm 71, and when the tumbler 77 is in its rest position and the locking arm 71 is in its undeadlocked position as shown in Figure 7a, the stop 80 lies in the path of a complementary stop 81 projecting from the side of the locking arm facing towards the tumbler 77, thereby preventing movement of the locking arm 71 from its undeadlocked position to its deadlocked position.
  • the stop 80 then again lies in the path of the locking arm stop 81, this time to hold the locking arm in the deadlocked position and prevent its return to the undeadlocked position.
  • the key 70a is inserted into the cylinder lock and this time turned in the opposite direction to bring it back into contact with the cam surface 79 so that it is cammed outwards to move the stop 80 out of the path of the locking arm stop 81 before engaging the jaw 73 to pivot the locking arm 71 back to the undeadlocked position, whereupon the follower 76 moves clear of the jaw 73 and the cam surface 79 to allow the tumbler 77 to spring back to its rest position as shown in Figure 7a.
  • the handle which cooperates with the bush 52 is located on the inside face of the door or window.
  • the lock 1 is provided with a second bush 83 which is mounted in a second pair of aligned holes 84 in the casing side plates 34 and 35 so that the bush 83 is rotatable about an axis parallel to but offset from the axis of the bush 52.
  • the bush 83 has a square sectioned bore 85 for receiving the spindle of an outside handle (not shown), and carries a follower bar 86 which extends transversely through the casing and is supported and guided at its opposite ends by arcuate slots 87 in the casing side plates 34 and 35.
  • a sector gear 88 which meshes with the first set of teeth 61 on the rack member 62 is mounted on the bush 83, and the follower bar 86 extends through a sector slot 89 in the gear 88 to provide a lost motion coupling between the bush and the gear.
  • rotation of the sector gear 59 by its handle to cause the rack member 62 to advance or retract the deadbolt 3 will be followed by the sector gear 88, but without movement of the bush 83 and its associated handle due to the lost motion provided by the sector slot 89, and vice versa.
  • the bush 83 is not coupled to the latch operating mechanism, and the latch cannot therefore be retracted from outside the door or window except by inserting and turning the key 70a in the cylinder lock 69.
  • the opposite ends 90, 91 of the rack member 62 project from the top and bottom ends of the casing adjacent its front face so that, in use, they lie adjacent the rear face of the face bar 8.
  • the rack member 62 has a notch 92 cut in its front edge to form a lug 93 at its tip, and the rack member is connected to the lower end of the upper connector bar 19 by means of the lug 93 which fits into a hole 94 formed near the end of the bar 19 with the end of the bar received in the notch 92.
  • the rack member 62 is connected in a similar manner to the upper end of the lower connector bar 20 by means of a lug 95 at the tip of the member 62 which fits into a hole 96 in the connector bar while the end of the bar is received in a notch 97 in the member 62. In this way the connector bars 19 and 20 will move longitudinally with the rack member 62.
  • auxiliary locking device 4 shown in Figures 1 and 9a, this comprises a shallow rectangular box-like casing 100 having its open side closed by a cover plate 101 screwed to the casing, and a front edge face 102 to which, in use, the face bar 8 is screwed.
  • the locking hook 6 of the device 4 is pivotally mounted on a boss 103 within the casing 100, and the front edge face 102 of the casing is provided with an aperture (not shown) through which the end portion 104 of the hook 6 moves as the hook is pivoted between its operative advanced position as shown in Figure 1 and its inoperative retracted position as shown in Figure 9a.
  • a slide plate 105 which is guided to move longitudinally within the casing parallel to its front edge face 102.
  • the slide plate 105 has a leg 106 which projects from the lower end of the casing 100 adjacent its front edge face 102, and this leg 106 is connected to the upper end of the connector bar 19 by means of a tab 107 at the end of the leg 106 which fits into a hole 108 provided near the end of the bar 19 while the end of the bar is received in a notch 109 in the leg 106.
  • the connector bar 19 thus causes the slide member 105 to follow the movement of the rack member 62 of the primary lock 1.
  • the hook 6 carries a pin 110 which is parallel to and offset from the pivot axis of the hook, and which projects firstly through a drive slot 111 in the slide plate 105 and then into an arcuate guide slot 112 provided in the cover plate 101, the centre of curvature of the guide slot 112 lying on the pivot axis of the hook 6.
  • the lower locking device 5 shown in Figures 1 and 9b is similar to the upper locking device 4 in having a casing 113 to which the face bar 8 is screwed and in which the hook 7 is pivotally mounted and arranged to be pivoted by longitudinal movement of a slide plate 114 also mounted within the casing, the hook 7 being connected to the slide plate 113 by means of a pin 115 carried by the hook and projecting through a slot 116 in the slide plate into an arcuate guide slot 117 in the cover plate 118 of the casing.
  • the leg 119 of the slide plate 114 projects from the upper end of the casing and is connected to the lower end of the connector bar 20.
  • the hook 7 is required to pivot in the opposite direction to the hook 6 in response to movement of the slide plates 105 and 114 in the same direction as each other by the rack member 62, the positions of the pin 115 and the cooperating slots 116 and 117 in the lower device 5 are different from those in the upper device 4.
  • the side face 120 of the free end portion 104 of each hook 6, 7 is chamferred on the side facing the side on which the door or window opens, so that the chamferred face 120 will engage the side edge of the respective aperture of the keep bar and exert a camming action which draws the door or window tightly closed as the hooks 6 and 7 are advanced through the apertures.
  • the keep bar 9 is provided with a screw clearance hole 121, 122, each arranged in the middle of a series of longitudinally extending serrations 123, 124 spaced apart across the bar, and beyond each series of serrations the bar 9 has a punched hole 125, 126.
  • the keep plate 28 is slightly narrower than the keep bar 9 and has a length approximately equal to the distance between the punched holes 125 and 126 in the bar, the ends of the plate 28 being provided with down-turned tabs 127, 128 which, in use, are inserted through the holes 125, 126 and turned under the bar 9.
  • the keep plate 28 has a slot 129 which registers with the slot 26 of the keep bar 9 but is narrower than the slot 26.
  • the keep plate 28 is secured on the keep bar by screws which are inserted through the slots 130, 131 and the holes 121, 122 and are screwed into a tapping plate 134 ( Figure 1) located behind the keep bar, the serrations 132, 133 on the underside of the keep plate engaging with the serrations 123, 124 on the keep bar to maintain the set transverse position of the keep plate 28 on the bar 9.
  • the slot 129 of the keep plate 28 which determines the effective aperture through which the locking hook 6 passes, and the position of the camming edge of the slot 129 can be adjusted by loosening the securing screws to allow the transverse position of the keep plate 28 on the bar 9 to be adjusted and then re-tightening the screws to re-engage the serrations. This provides a particularly simple and reliable method of adjustment.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Coin-Freed Apparatuses For Hiring Articles (AREA)

Claims (23)

  1. Serrure (1) de porte ou fenêtre comprenant un pêne demi-tour (2) rappelé élastiquement vers une position de travail et qui peut reculer pour permettre la fermeture de la porte ou de la fenêtre, un mécanisme de manoeuvre de pêne demi-tour (39, 41, 45, 51, 52, 55, 57, 58) destiné à faire reculer le pêne demi-tour lorsque la porte ou la fenêtre doit être ouverte, un pêne dormant (3) qui est mobile entre une position avancée de fonctionnement et une position reculée de repos sous la commande d'un mécanisme de manoeuvre de pêne dormant (52, 59, 62, 65) et un mécanisme de verrouillage (71, 77) commandé par une clé et destiné à verrouiller le pêne dormant en position de fonctionnement, le mécanisme de verrouillage (71, 77) comprenant un organe de verrouillage (71) mobile entre une position de verrouillage dans laquelle il empêche le déplacement du mécanisme de manoeuvre de pêne dormant (52, 54, 59, 62, 64) pour faire reculer le pêne dormant (3), et une position de repos dans laquelle le mécanisme de manoeuvre de pêne dormant (52, 54, 59, 62, 65) est libre de déplacer le pêne dormant (3), un arrêt (77) rappelé par un ressort vers une position de repos dans laquelle l'arrêt (77) empêche le déplacement de l'organe de verrouillage (71) vers sa position de verrouillage lorsqu'il est en position de repos et qui empêche l'organe de verrouillage (71) de se déplacer vers sa position de repos lorsqu'il est en position de verrouillage, et un organe de toucheau (76) qui se déplace lors de la rotation de la clé (70a), caractérisé en ce que l'organe de verrouillage est un bras (71) de verrouillage monté de manière pivotante, en ce que l'arrêt (77) est monté de manière pivotante, en ce que l'organe de toucheau (76) se déplace lors de la rotation de la clé de manière que, lorsque la clé (70a) est tournée pour verrouiller le pêne dormant (3), l'organe de toucheau (76) agit sur l'arrêt (77) pour le déplacer de sa position de repos avant de venir au contact du bras de verrouillage (71) et pour le déplacer vers la position de verrouillage puis pour permettre à l'arrêt (77) de revenir en position de repos, et en ce que, lorsque la clé (70a) est ramenée pour déverrouiller le pêne dormant (3), l'organe de toucheau (76) agit sur l'arrêt (77) pour le déplacer de sa position de repos avant qu'il vienne au contact du bras de verrouillage (71) et déplace celui-ci vers sa position de repos, puis permette à l'arrêt (77) de revenir à sa position de repos.
  2. Serrure (1) selon la revendication 1, dans laquelle le bras de verrouillage (71) et l'arrêt (77) se trouvent dans des plans différents et ont des organes d'arrêt (80, 81) qui dépassent transversalement et qui viennent coopérer pour empêcher le déplacement du bras de verrouillage (71) vers sa position de verrouillage ou son retour à sa position de repos lorsque l'arrêt (77) est dans sa position de repos.
  3. Serrure (1) selon la revendication 1 ou 2, dans laquelle le bras de verrouillage (71) a une extrémité en forme de fourche dans laquelle pénètre l'organe de toucheau (76) lors du déplacement du bras de verrouillage (71) vers une position de verrouillage ou en retour vers sa position de repos.
  4. Serrure (1) selon l'une quelconque des revendications précédentes, dans laquelle le bras de verrouillage (71) est disposé afin que la rotation suffisante de la clé (70a) dans le sens du déverrouillage, lorsque le bras de verrouillage (71) est en position de repos, provoque la mise de l'organe de toucheau (76) au contact du bras de verrouillage (71) afin qu'il s'écarte de sa position de repos en sens opposé à la position de verrouillage, si bien que le bras de verrouillage (71) provoque le recul du pêne demi-tour (2).
  5. Serrure (1) selon l'une quelconque des revendications précédentes, dans laquelle le mécanisme de verrouillage comprend un barillet (69) de verrouillage commandé par une clé et qui peut être monté sur la serrure (1) et l'organe de toucheau (76) fait partie du barillet (69).
  6. Serrure (1) selon l'une quelconque des revendications précédentes, dans laquelle le mécanisme de manoeuvre du pêne demi-tour comporte une douille (52) destinée à loger la tige d'une poignée, une plaque rotative de came (51) qui peut tourner par rotation de la poignée, et un levier pivotant (41) de pêne demi-tour sur lequel agit la plaque de came (51) afin que le levier (41) fasse reculer le pêne demi-tour (2) malgré la force élastique lorsque la poignée est tournée dans un premier sens.
  7. Serrure (1) selon la revendication 6, lorsqu'elle dépend de la revendication 4, dans lequel le bras de verrouillage (71) agit sur le levier (41) du pêne demi-tour à l'extrémité opposée à la plaque de came (51) afin que le pêne demi-tour (2) recule.
  8. Serrure (1) selon l'une quelconque des revendications précédentes, dans laquelle le mécanisme de manoeuvre du pêne dormant comprend une douille (52) destinée à loger la tige d'une poignée, un pignon de toucheau (59) qui peut tourner par rotation de la poignée, un organe de crémaillère (62) mobile en translation, coopérant avec le pignon de toucheau (59) et un pignon de transmission (65) coopérant avec l'organe de crémaillère (62) et qui coopère aussi avec une crémaillère placée sur le pêne dormant (3) afin que le pêne dormant (3) se déplace dans une direction pratiquement perpendiculaire à la position de déplacement de l'organe de crémaillère (62).
  9. Serrure (1) selon la revendication 8, dans laquelle, en position de verrouillage, le bras de verrouillage (71) coopère avec l'organe de crémaillère (62) du mécanisme de manoeuvre de pêne dormant (52, 59, 62, 65) pour empêcher le recul du pêne dormant (3).
  10. Serrure (1) selon la revendication 8 ou 9 lorsqu'elle dépend de la revendication 6, dans lequel la douille (52) du mécanisme de manoeuvre de pêne dormant (52, 59, 62, 65) est la douille (52) du mécanisme de manoeuvre de pêne demi-tour (39, 41, 45, 51, 52, 55, 57, 58), le pêne dormant (3) avançant par rotation de la poignée qui, pendant l'utilisation, est en prise avec la douille (52), depuis une position neutre en sens opposé à celui dans lequel elle est tournée pour faire reculer le pêne demi-tour (2).
  11. Serrure (1) selon l'une quelconque des revendications 8 à 10 dans laquelle le mécanisme de manoeuvre de pêne dormant (52, 59, 62, 65) comporte aussi une seconda douille (83) destinée à loger la tige de la seconde poignée qui se trouve du côté de la serrure (1) opposé au côté de la première poignée et qui peut tourner autour d'un axe décalé par rapport à celui de la première douille (52), la seconde douille (83) agissant sur un second pignon de toucheau (88) qui coopère avec l'organe de crémaillère (62) afin que le pêne dormant (3) puisse aussi être manoeuvré par rotation de la seconde poignée.
  12. Serrure (1) selon l'une quelconque des revendications 8 à 11, dans laquelle le pignon da transmission (65) est un pignon étagé afin que le déplacement linéaire de l'organe de crémaillère (62) provoque un plus grand déplacement linéaire du pêne dormant (3).
  13. Serrure (1) selon l'une quelconque des revendications précédentes, comprenant un carter (31, 32, 33) formé par un cadre interne moulé formant une paroi arrière (31) et deux parois opposées d'extrémité (32, 33) du carter, les deux plaques (34, 35) de couvercle étant fixées au cadre sur des côtés opposés de celui-ci.
  14. Ensemble de verrouillage en plusieurs points, comprenant une serrure (1) selon l'une quelconque des revendications précédentes, et au moins un dispositif supplémentaire de verrouillage (4, 5) qui, pendant l'utilisation, est raccordé à la serrure (1) par une barre de raccordement (19, 20) afin qu'un organe de verrouillage (6, 7) du dispositif ou de chaque dispositif supplémentaire (4, 5) avance et recule en même temps que le pêne dormant (3) lors du déplacement linéaire de la barre de raccordement (19, 20) par le mécanisme de manoeuvre de pêne dormant (52, 59, 62, 65) de la serrure (1).
  15. Ensemble de verrouillage selon la revendication 14, dans lequel l'organe de verrouillage (6, 7) du dispositif ou de chaque dispositif supplémentaire de verrouillage (4, 5) est un crochet (6, 7) qui peut pivoter entre ses positions avancée et reculée par déplacement linéaire d'une plaque de glissière (105, 114) raccordée à la barre de raccordement (19, 20) et qui est raccordée au crochet par une broche (110, 115) portée par le crochet (6, 7) ou la plaque de glissière (105, 114) et coopérant avec une fente (111, 116) de la plaque de glissière (105, 114) ou du crochet (6, 7) respectivement.
  16. Ensemble selon la revendication 15, dans laquelle la broche coopère aussi avec une fente courbe de guidage (112, 117) qui est formée dans un carter (100, 113) du dispositif supplémentaire de verrouillage et qui est centrée sur l'axe de pivotement du crochet (6, 7).
  17. Ensemble selon l'une quelconque des revendications 14 à 16, comprenant une barre de retenue (9) qui, pendant l'utilisation, est montée sur le châssis fixe entourant la porte ou la fenêtre et qui a une ouverture (26, 27) par laquelle passe l'organe de verrouillage (6, 7) du dispositif supplémentaire de verrouillage (4, 5) lorsque la porte ou la fenêtre est fermée et l'organe de verrouillage (6, 7) avance vers sa position de travail, la face latérale (120) de la partie d'extrémité libre de l'organe de verrouillage (6, 7) étant chanfreinée du côté tourné vers le côté auquel s'ouvre la porte ou la fenêtre, si bien que la face chanfreinée (120) coopère avec le bord latéral de l'ouverture (26, 27) de la barre de retenue et exerce un effet de came qui tire la porte ou la fenêtre en position de fermeture intime lorsque l'organe de verrouillage (6, 7) avance dans l'ouverture (26, 27).
  18. Ensemble selon la revendication 17, dans lequel l'ouverture (26, 27) est délimitée par une fente (129) formée dans une plaque séparée de retenue (28, 29) qui est montée sur la barre de retenue (9) afin que la fente (129) soit en face d'une fente (26, 27) de la barre de retenue (9), la position de la plaque de retenue (28, 29) sur la barre de retenue (9) étant réglable pour l'ajustement de la position du bord latéral de came de l'ouverture afin qu'une traction voulue vers l'intérieur appliquée à la porte ou la fenêtre soit obtenue.
  19. Ensemble selon la revendication 18, dans lequel la plaque de retenue (28, 29) est fixée à la barre de retenue (9) par au moins un raccord vissé, et la position de la plaque de retenue (28, 29) par rapport à la barre de retenue (9) est réglée et maintenue par une série de crénelages longitudinaux (132, 133) placée à la face inférieure de la plaque de retenue (28, 29) et qui coopère avec une série correspondante de crénelages longitudinaux (122, 123) placée à la surface de la barre de retenue (9) lorsque le raccord ou chaque raccord vissé est serré.
  20. Ensemble de verrouillage en plusieurs points pour porte ou fenêtre, comprenant une serrure principale (1) ayant un pêne demi-tour (2) rappelé élastiquement vers une position de fonctionnement et qui peut reculer pour permettre la fermeture de la porte ou de la fenêtre, un mécanisme de manoeuvre de pêne demi-tour (39, 41, 45, 51, 52, 55, 57, 58) destiné à faire reculer le pêne demi-tour (2) lorsque la porte ou la fenêtre doit être ouverte, un pêne dormant (3) mobile entre une position avancée de fonctionnement et une position reculée de repos sous la commande d'un mécanisme de manoeuvre de pêne dormant (52, 59, 62, 65), et un mécanisme de verrouillage commandé par une clé (71, 77) destiné à verrouiller le pêne dormant (3) dans sa position de fonctionnement, et au moins un dispositif supplémentaire de verrouillage (4, 5) qui, pendant l'utilisation, est raccordé à la serrure principale (1) par une barre de raccordement (19, 20) afin qu'un organe de verrouillage (6, 7) du dispositif ou de chaque dispositif supplémentaire de verrouillage (4, 5) avance et recule en même temps que le pêne dormant (3) lors du déplacement linéaire de la barre de raccordement (19, 20) lors de la manoeuvre du mécanisme de manoeuvre du pêne dormant (52, 59, 62, 65), caractérisé en ce que l'organe de verrouillage (6, 7) du dispositif ou de chaque dispositif supplémentaire de verrouillage (4, 5) comporte un crochet (6, 7) monté afin qu'il pivote entre ses positions avancée et reculée par déplacement linéaire d'une plaque de glissière (105, 114) qui est raccordée à la barre de raccordement (19, 20) et qui est raccordée au crochet par une broche (110, 115) portée par le crochet (6, 7) ou la plaque de glissière (105, 114) et coopérant avec une fente (111, 116) de la plaque de glissière (105, 114) ou du crochet (6, 7) respectivement, et en ce que la broche (110, 115) coopère aussi avec une fente courbe de guidage (112, 117) qui est placée dans un carter (100, 113) du dispositif supplémentaire de verrouillage (4, 5) et qui est centrée sur l'axe du pivot du crochet (6, 7).
  21. Ensemble de verrouillage selon la revendication 20, comprenant une barre de retenue (9) qui, pendant l'utilisation, est montée sur le châssis fixe entourant la porte ou la fenêtre et qui a une ouverture (26, 27) par laquelle passe le crochet (6, 7) du dispositif supplémentaire de verrouillage (4, 5) lorsque la porte ou la fenêtre est fermée et le crochet (6, 7) a avancé en position de fonctionnement, la face latérale (120) de la partie d'extrémité libre du crochet (6, 7) étant chanfreinée du côté tourné vers le côté d'ouverture de la porte ou de la fenêtre, si bien que la face chanfreinée vient au contact du bord latéral de l'ouverture (26, 27) de la barre de retenue et exerce un effet de came qui tire la porte ou la fenêtre en position de fermeture intime lorsque le crochet (6, 7) avance dans l'ouverture (26, 27).
  22. Ensemble de verrouillage selon la revendication 21, dans lequel l'ouverture (26, 27) est délimitée par une fente (129) d'une plaque séparée de retenue (28, 29) montée sur la barre de retenue (9), afin que la fente (129) soit en face d'une fente (26) de la barre de retenue (9), et la position de la plaque de retenue (28, 29) sur la barre de retenue (9) est réglable pour l'ajustement de la position du bord latéral de came de l'ouverture afin que la force de traction voulue appliquée vers l'intérieur à la porte ou la fenêtre soit obtenue.
  23. Ensemble de verrouillage selon la revendication 22, dans lequel la plaque de retenue (28, 29) est fixée à la barre de retenue (9) par au moins un raccord vissé, et la position de la plaque de retenue (28, 29) par rapport à la barre de retenue est réglée et maintenue par une série de crénelages longitudinaux (132, 133) placée à la face inférieure de la plaque de retenue (28) et qui coopère avec une série correspondante de crénelages longitudinaux (123, 124) formée à la surface de la barre de retenue (9) lorsque le raccord ou chaque raccord vissé est serré.
EP19940309895 1993-12-29 1994-12-29 Serrure et ensemble serrure pour porte ou fenêtre Expired - Lifetime EP0661409B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9326532A GB2285280B (en) 1993-12-29 1993-12-29 Lock and locking assembly for a door or window
GB9326532 1993-12-29

Publications (3)

Publication Number Publication Date
EP0661409A2 EP0661409A2 (fr) 1995-07-05
EP0661409A3 EP0661409A3 (fr) 1996-04-10
EP0661409B1 true EP0661409B1 (fr) 2000-02-23

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EP19940309895 Expired - Lifetime EP0661409B1 (fr) 1993-12-29 1994-12-29 Serrure et ensemble serrure pour porte ou fenêtre

Country Status (4)

Country Link
EP (1) EP0661409B1 (fr)
DE (1) DE69423084T2 (fr)
ES (1) ES2142385T3 (fr)
GB (2) GB2313620B (fr)

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US8939474B2 (en) 2011-06-03 2015-01-27 Amesbury Group, Inc. Lock with sliding locking elements
US9428937B2 (en) 2011-07-22 2016-08-30 Amesbury Group, Inc. Multi-point lock having sequentially-actuated locking elements
WO2021109951A1 (fr) * 2019-12-05 2021-06-10 美律科技（福建）有限公司 Nouveau verrou lié à plusieurs niveaux, et boîtier l'appliquant

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US7261330B1 (en) 2000-06-27 2007-08-28 Builder's Hardware Sliding door latch assembly
US8939474B2 (en) 2011-06-03 2015-01-27 Amesbury Group, Inc. Lock with sliding locking elements
US9428937B2 (en) 2011-07-22 2016-08-30 Amesbury Group, Inc. Multi-point lock having sequentially-actuated locking elements
WO2021109951A1 (fr) * 2019-12-05 2021-06-10 美律科技（福建）有限公司 Nouveau verrou lié à plusieurs niveaux, et boîtier l'appliquant

Also Published As

Publication number Publication date
EP0661409A3 (fr) 1996-04-10
DE69423084D1 (de) 2000-03-30
EP0661409A2 (fr) 1995-07-05
GB9326532D0 (en) 1994-03-02
GB2313620B (en) 1998-06-03
DE69423084T2 (de) 2000-06-21
GB9716890D0 (en) 1997-10-15
GB2285280B (en) 1998-06-03
ES2142385T3 (es) 2000-04-16
GB2313620A (en) 1997-12-03
GB2285280A (en) 1995-07-05

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