EP0552033B1 - Poignée pour serrure - Google Patents

Poignée pour serrure Download PDF

Info

Publication number
EP0552033B1
EP0552033B1 EP19930300217 EP93300217A EP0552033B1 EP 0552033 B1 EP0552033 B1 EP 0552033B1 EP 19930300217 EP19930300217 EP 19930300217 EP 93300217 A EP93300217 A EP 93300217A EP 0552033 B1 EP0552033 B1 EP 0552033B1
Authority
EP
European Patent Office
Prior art keywords
handle
button
push button
locking
plunger
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
EP19930300217
Other languages
German (de)
English (en)
Other versions
EP0552033A1 (fr
Inventor
Colin William Chapman
Melvin John Hutton
Roland Phillip Saville
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.)
PERMACELL FINESSE Ltd
Era Security Hardware Ltd
Original Assignee
Cego 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 Ltd filed Critical Cego Ltd
Publication of EP0552033A1 publication Critical patent/EP0552033A1/fr
Application granted granted Critical
Publication of EP0552033B1 publication Critical patent/EP0552033B1/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
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00—Devices preventing the key or the handle or both from being used
    • E05B13/002—Devices preventing the key or the handle or both from being used locking the handle
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00—Devices preventing the key or the handle or both from being used
    • E05B13/10—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle
    • E05B13/106—Devices preventing the key or the handle or both from being used formed by a lock arranged in the handle for handles pivoted about an axis perpendicular to the wing

Definitions

  • the invention relates to a locking handle for a door or window, the locking handle being of the kind comprising a fixing plate, a handle which is pivotally mounted on the fixing plate for movement between open and closed positions, and a catch which automatically engages when the handle is moved into the closed position to prevent subsequent movement of the handle to an open position until the catch is released, the catch comprising a push button which is mounted on the handle and is resiliently biassed to urge a first portion of the button into engagement with a first recess of the fixing plate when the handle is in the closed position, said engagement preventing turning of the handle, and the arrangement being such that depression of the push button releases the catch by moving the first portion of the button out of the first recess against the action of its resilient bias.
  • Locking handles of this general type are well known, and may be of the cockspur type in which the handle has a nose arranged to engage with a striker or keep plate, or of the espagnolette type in which the handle carries a drive spindle which is rotated by turning the handle in order to operate an espagnolette locking mechanism.
  • EP-A-0260517 and GB-A-2076455 disclose examples of such handles in which the push button is axially slidably mounted in the handle and depression of the button acts to pull the first portion of the button out of the recess in a direction which is parallel to the axis of the button.
  • a locking handle of the kind described is characterised in that the push button is pivotally mounted on the handle, and depression of the push button causes the button to rock about its pivot axis against the resilient bias so that the first portion of the button is moved out of the first recess in a direction which is substantially at right angles to the direction in which the button is depressed.
  • the handle When the catch has been released, the handle can be turned to its open position so that the door or window can be opened, and the push button can be released as soon as the handle has been turned sufficiently for the button to be moved out of alignment with the first recess of the fixing plate.
  • the button comes into engagement with a portion of the fixing plate and is caused by a camming action to rock against the resilient bias so as to allow the handle to be moved to the closed position, whereupon the button is realigned with the first recess and is caused by the resilient bias to move into the first recess to lock the handle in the closed position.
  • the push button is arranged to be depressed in a direction which is substantially parallel to the pivot axis of the handle, and the push button is resiliently biased by means of a suitable spring, such as a torsion spring or a compression spring, acting between the button and a portion of the handle.
  • a suitable spring such as a torsion spring or a compression spring
  • the push button is pivotally mounted on the handle by means of a fixed pivot pin carried by the handle and a channel shaped socket which is carried by the push button and is a snap-fit onto the pivot pin so that the pin is received captively by the socket and the socket can rotate about the pin.
  • This arrangement facilitates manufacture and assembly of the locking handle, especially if the push button comprises a moulded plastics body and the socket is formed integrally with the body.
  • manufacture and assembly of the locking handle may be further simplified if the resilient bias acting on the push button is provided by a leaf spring which is formed integrally with the body of the push button and bears against a portion of the handle.
  • the push button may be provided with a key operated locking plunger which is movable between a retracted position within the button and a locking position in which it projects from the button, operation of the key to move the plunger to its locking position when the first portion of the button is in engagement with the first recess causing the plunger to engage in a second recess of the fixing plate to prevent depression of the button to release the catch.
  • operation of the key to move the plunger to its locking position when the handle is closed and the catch engaged acts to lock positively the handle in this position. The catch cannot then be released to allow the handle to be turned to the open position until the key has been used to retract the locking plunger from the second recess.
  • the locking handle shown in Figures 1 and 2 comprises a fixing plate 1 of elongate, substantially rectangular shape, the plate having a substantially flat undersurface 2 and an upper surface provided with a raised central portion 3 between opposite end portions 4 and 5 each of which has two recessed, countersunk screw holes 4a,4b and 5a,5b centred on the longitudinal axis of the fixing plate.
  • the underside of the fixing plate is provided with a recess 6 beneath the raised central portion 3, and the raised portion 3 is provided with an aperture 7 communicating with the recess 6, the axis of the aperture 7 being parallel to the axes of the recessed screw holes 4a,4b, 5a,5b and perpendicular to the plane of the flat undersurface 2.
  • the central portion 3 has a pair of side walls 8 (only one of which is shown) extending parallel to the longitudinal axis of the fixing plate 1 towards the end 5 on opposite sides of the screw hole recess 5b, the outer sides of the walls 8 being flush with the sides of the fixing plate 1, and the inner sides of the walls 8 defining, together with the end wall 9 of the portion 3, a recess 10 which is open at the top and its end remote from the central portion 3.
  • the locking handle also comprises a handle 11 which is pivotally mounted on the fixing plate 1, the handle 11 having a body portion 12 provided with a boss 13 projecting from the underside of the body portion and received rotatably in the aperture 7 of the raised central portion 3 of the fixing plate so that the handle 11 can turn relative to the fixing plate about a pivot axis coincident with the axis of the aperture 7.
  • a bearing sleeve 14 is provided between the boss 13 and part of the aperture 7, and the free end 15 of the boss 13 is swaged radially outwardly over bearing washers 16 to prevent removal of the handle from the fixing plate, although any other suitable retention method may be adopted if preferred.
  • the boss 13 is provided with a bore 17 which is open at the free end 15 for receiving a conventional square sectioned spindle (not shown) for driving an espagnolette mechanism, although as mentioned earlier the handle may alternatively be of the cockspur type.
  • the handle 11 also has a hand grip portion 18 which extends from the upper end of the body portion 12 in a direction substantially perpendicular to the pivot axis of the handle and parallel to the plane of the undersurface 2 of the fixing plate.
  • the handle 11 has a locking catch 19 housed in a passage 20 of substantially rectangular section provided in the body portion 12 between the boss 13 and the hand grip portion 18, the passage 20 extending in a direction substantially parallel to the pivot axis of the handle and being open at both the upper and lower surfaces of the body portion 12.
  • the locking catch 19 comprises a moulded plastics push button 21 of substantially rectangular section having a width slightly less than the width of the passage 20 so that the button 21 fits closely between the side walls of the passage 20.
  • the push button 21 is formed with an integral mounting portion 22 defining a transversely oriented channel shaped socket 23 which encloses a 270° arc and is a snap-fit over a fixed pivot pin 24 extending transversely between the side walls of the passage 20 near the upper end of the passage adjacent the hand grip portion 18 so that the push button 21 is pivotally mounted on the pivot pin 24 for rocking movement in the longitudinal plane of the handle 11.
  • a spring 25 is mounted to act between the push button 21 and the hand grip end 26 of the passage 20 in order to bias the button to pivot about the pin 24 in a direction towards the opposite end 27 of the passage 20, i.e. towards the pivot axis of the handle.
  • the spring 25 comprises a torsion spring which is mounted on the push button 21 so that opposite ends of the spring act on the hand grip end 26 of the passage 20 and the facing end of the button 21 to press them apart.
  • the spring 25 may take any suitable alternative form.
  • the upper end 28 of the push button 21 projects from the passage 20 at the upper surface of the handle, and the lower end 29 of the button projects from the passage at the undersurface of the handle.
  • the handle 11 is in its closed position shown in Figure 1, i.e. with the longitudinal axis of the handle 11 parallel to the longitudinal axis of the fixing plate 1, a part 29a of the lower end of the push button 21 is received in the recess 10 between the side walls 8 projecting from the raised central portion 3 of the fixing plate, the button 21 being held in this position with the end portion 29a engaging the end wall 9 of the recess 10 under the action of the spring 25. In this position the catch 19 is engaged and prevents the handle 11 from being turned to an open position.
  • a longitudinal bore 30 extending through the push button 21 is substantially co-axially aligned with the screw recess 5b which opens in the upper surface of the fixing plate 1 between the side walls 8 of the recess 10.
  • a cylindrical locking plunger 31 having a part helical cam slot 32 provided in its external surface, this slot receiving and cooperating with a lug 33 fixed to the inner wall of the bore 30.
  • the locking plunger 31 is provided with a keyway 34 for receiving the lower end of an operating key 35 which is insertable into the bore 30 through a slotted entrance guide 36 mounted in the upper end of the bore 30.
  • the catch 19 can be disengaged from the recess 10 to allow the handle 11 to be turned to its open position. Disengagement of the catch 19 is caused by depressing the upper end portion 28 of the push button 21 towards the fixing plate 1, i.e. in a direction substantially parallel to the pivot axis of the handle, thus causing the push button 21 to pivot about the pin 24 so that the lower end 29 of the push button moves away from the raised central portion 3 of the fixing plate to a position in which the portion 29a of the lower end of the button has moved clear of the recess 10 as shown in Figure 2 . The handle 11 can then be turned to the open position, and the push button 21 can be released to allow the spring 25 to return it to its rest position.
  • the handle When the handle is moved back to the closed position, the lower end portion 29a of the button 21 comes into engagement with the outer surface of the nearer side wall 8 of the recess 10, and the button 21 is thereby caused to rock about the pivot pin 24 against the action of the spring 25 as the handle moves further towards the closed position, the wall 8 and the lower end portion of the button being shaped to facilitate this camming action.
  • the push button 21 is gradually deflected to enable it to move past the wall 8 as the handle is moved to the closed position, and when the handle reaches the fully closed position the push button 21 becomes aligned with the recess 10 and the bias exerted by the spring 25 acts to move the lower end 29 of the button into engagement with the recess 10 to hold the handle in the closed position.
  • the handle can then be locked in this position by inserting and turning the key 35 to advance the locking plunger 31 into the recess 5b.
  • the locking plunger 31' comprises two parts, a first part 40 which receives the key (not shown) and is rotatable but axially fixed relative to the button 21', and a second part 41 which is connected to the first part 40 so that it is rotatable with the first part and is axially movable relative thereto, the outer surface of the second part 41 having a part helical slot 32' which receives and cooperates with a lug 33' provided on the internal surface of the bore 30'.
  • This arrangement enables the handle to be deadlocked in the closed position, the first part 40 of the locking plunger 31' comprising a deadlocking cylinder which cannot be rotated without insertion of the correct key.
  • This part 40 has an annular peripheral groove 42 which receives a lug 43 provided on the internal surface of the bore 30' in order to prevent axial movement of the part 40 within the bore 30' while permitting rotation thereof, and at its lower end the part 40 has an axially offset leg 44 projecting in an axial direction, the leg 44 having a radially inwardly directed foot 45 at its free end.
  • leg 44 and its foot 45 are received in an axially extending slot 46 in the second part 41, the part 41 having a shoulder 47 at the upper end of the slot 46 which is cooperable with the foot 45 to prevent the two parts from becoming axially separated.
  • the interengagement of the leg 44 and foot 45 in the slot 46 locks the two parts 40 and 41 together rotationally, but allows the part 41 to move axially relative to the part 40 between a retracted position as shown in Figures 4 and 6 and a locking position in which it projects from the lower end of the push button 21' as shown in Figures 3 and 5.
  • the lug 33,33' is mounted on the inside surface of the bore 30,30' of the push button, and the part helical slot 32,32' with which it cooperates is provided in the outer surface of the locking plunger 31,31'. It will of course be appreciated, however, that the position of these parts may be reversed, so that the slot is provided in the internal surface of the bore 30,31' and the lug is provided on the outer surface of the locking plunger.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (9)

  1. Poignée de blocage pour une porte ou fenêtre, comprenant une plaque de fixation (1), une poignée (11) qui est montée de manière à pouvoir pivoter sur la plaque de fixation entre des positions ouverte et fermée, et un élément d'arrêt (19) qui entre automatiquement en prise lorsque la poignée est déplacée dans la position fermée pour empêcher un mouvement ultérieur de la poignée vers une position ouverte avant que l'élément d'arrêt ne soit libéré, l'élément d'arrêt (19) comprenant un bouton-poussoir (21) qui est monté sur la poignée (11) et est rappelé de manière élastique pour forcer une première partie (29a) du bouton en engagement avec un premier évidement (10) de la plaque de fixation (1) lorsque la poignée est dans la position fermée, cet engagement empêchant une rotation de la poignée, et l'agencement étant tel qu'un enfoncement du bouton-poussoir (21) libère l'élément d'arrêt (19) par déplacement de la première partie (29a) du bouton en dehors du premier évidement (10), à l'encontre de l'action de son rappel élastique, caractérisée en ce que le bouton-poussoir est monté de manière à pouvoir pivoter sur la poignée et en ce qu'un enfoncement du bouton-poussoir provoque un basculement du bouton autour de son axe de pivotement, à l'encontre du rappel élastique, de façon que la première partie du bouton soit déplacée en dehors du premier évidement dans une direction qui est sensiblement à angle droit par rapport à la direction suivant laquelle le bouton est enfoncé.
  2. Poignée de blocage suivant la revendication 1, caractérisée en ce que le bouton-poussoir (21) est enfoncé suivant une direction qui est sensiblement parallèle à l'axe de pivotement de la poignée (11).
  3. Poignée de blocage suivant l'une des revendications 1 et 2, caractérisée en ce que le bouton-poussoir (21) est monté de manière à pouvoir pivoter sur la poignée (11) au moyen d'un tourillon fixe (24) qui est supporté par la poignée et d'une douille en forme de canal (23) qui est supportée par le bouton-poussoir et est encliquetée sur le tourillon de façon que le tourillon soit logé de manière imperdable dans la douille et que la douille puisse tourner autour du tourillon.
  4. Poignée de blocage suivant la revendication 3, caractérisée en ce que le bouton-poussoir (21) comprend un corps en matière plastique moulé et en ce que la douille (23) est façonnée d'une pièce avec le corps.
  5. Poignée de blocage suivant la revendication 4, caractérisée en ce que le bouton-poussoir (21) est rappelé de manière élastique au moyen d'un ressort à lame qui est façonné d'une pièce avec le corps et qui s'applique contre une partie (26) de la poignée (11).
  6. Poignée de blocage suivant l'une quelconque des revendications 1 à 4, caractérisée en ce que le bouton-poussoir (21) est rappelé de manière élastique au moyen d'un ressort de torsion (25) ou d'un ressort de compression agissant entre le bouton et une partie (26) de la poignée.
  7. Poignée de blocage suivant l'une quelconque des revendications précédentes, caractérisée en ce que le bouton-poussoir (21) est pourvu d'un piston de blocage (31) qui est manoeuvré par une clef et qui est déplaçable entre une position en retrait à l'intérieur du bouton et une position de blocage dans laquelle il fait saillie hors du bouton, une manoeuvre de la clef (35) pour déplacer le piston (31) dans sa position de blocage lorsque la première partie (29a) du bouton est en engagement avec le premier évidement (10) provoquant un engagement du piston dans un deuxième évidement (5b) de la plaque de fixation (1) pour empêcher un enfoncement du bouton en vue de libérer l'élément d'arrêt.
  8. Poignée de blocage suivant la revendication 7, caractérisée en ce que le piston de blocage (31) est monté pour tourner autour de son propre axe en réponse à l'insertion et à la rotation de la clef (35), une rotation du piston provoquant son déplacement axial entre sa position de retrait et sa position de blocage à la suite d'un engagement d'un élément suiveur (33) supporté par le bouton-poussoir (21) ou le piston (31) dans une gorge hélicoïdale (32) prévue respectivement dans le piston ou le bouton-poussoir.
  9. Poignée de blocage suivant la revendication 7, caractérisée en ce que le piston de blocage (31') est en deux parties, une première partie (40) qui reçoit la clef et est capable de tourner par rapport au bouton-poussoir (21'), mais est axialement fixe par rapport à lui lorsque la clef est tournée, et une deuxième partie (41) qui est reliée à la première partie (40) de façon à pouvoir tourner avec la première partie et à être axialement déplaçable par rapport à elle, la deuxième partie (41) présentant l'élément suiveur (33') ou la gorge hélicoïdale (32').
EP19930300217 1992-01-17 1993-01-14 Poignée pour serrure Expired - Lifetime EP0552033B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9201060 1992-01-17
GB9201060A GB2263304B (en) 1992-01-17 1992-01-17 Locking handle

Publications (2)

Publication Number Publication Date
EP0552033A1 EP0552033A1 (fr) 1993-07-21
EP0552033B1 true EP0552033B1 (fr) 1995-06-14

Family

ID=10708807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930300217 Expired - Lifetime EP0552033B1 (fr) 1992-01-17 1993-01-14 Poignée pour serrure

Country Status (3)

Country Link
EP (1) EP0552033B1 (fr)
DE (1) DE69300186T2 (fr)
GB (1) GB2263304B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IES60832B2 (en) * 1994-03-28 1994-08-24 Patrick J Daly Fastener including lock
IES940608A2 (en) * 1994-07-29 1994-11-30 Basta Hardware Ltd A fastener
GB2331549B (en) * 1997-11-21 2001-08-01 Securistyle Ltd A handle assembly
US6178789B1 (en) * 1999-03-30 2001-01-30 Kason Industries, Inc. Convertible cylinder lock
US7484390B1 (en) 2007-03-28 2009-02-03 Kason Industries, Inc. Lockable strike for walk-in cold rooms
US9089214B2 (en) 2009-09-04 2015-07-28 Daniel Kelly Storage assembly with angled support surfaces
US9068376B2 (en) 2013-04-22 2015-06-30 Kason Industries, Inc. Strike for walk-in cold rooms

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2076455B (en) * 1980-05-14 1984-05-10 Titon Hardware Lockable window fastener
DE3204931C2 (de) * 1982-02-12 1985-09-12 Fa. Franz Karl Melchert, 5628 Heiligenhaus Drehbetätigungshandhabe für Fenster oder dergleichen
EP0241245B2 (fr) * 1986-04-07 1993-12-15 Regent Lock Co. Ltd. Poignée
DE8624544U1 (fr) * 1986-09-13 1986-12-18 Hoppe Gmbh & Co Kg, 3570 Stadtallendorf, De
GB2203481A (en) * 1987-04-16 1988-10-19 Schlegel Lockable handle
GB8711750D0 (en) * 1987-05-19 1987-06-24 Mckechnie Metals Ltd Handle assembly
DE3943290A1 (de) * 1989-05-22 1990-11-29 Wehag Leichtmetall Gmbh Griff fuer fenster, tueren oder dergleichen
GB2233702B (en) * 1989-07-11 1993-11-03 Mckechnie Metals Ltd A handle assembly for a pivoted window or door

Also Published As

Publication number Publication date
DE69300186D1 (de) 1995-07-20
DE69300186T2 (de) 1996-02-15
GB2263304A (en) 1993-07-21
GB9201060D0 (en) 1992-03-11
EP0552033A1 (fr) 1993-07-21
GB2263304B (en) 1994-12-07

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