EP0752509B1 - Poignée verrouillable pour fenêtre, porte etc. - Google Patents

Poignée verrouillable pour fenêtre, porte etc. Download PDF

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Publication number
EP0752509B1
EP0752509B1 EP19950203033 EP95203033A EP0752509B1 EP 0752509 B1 EP0752509 B1 EP 0752509B1 EP 19950203033 EP19950203033 EP 19950203033 EP 95203033 A EP95203033 A EP 95203033A EP 0752509 B1 EP0752509 B1 EP 0752509B1
Authority
EP
European Patent Office
Prior art keywords
handle
coupling element
screw
teeth
neck
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
EP19950203033
Other languages
German (de)
English (en)
Other versions
EP0752509A1 (fr
Inventor
Per Baunsgaard
Manfred Tröger
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.)
LARMI FINANS A/S
Original Assignee
LARMI FINANS AS
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 LARMI FINANS AS filed Critical LARMI FINANS AS
Priority to EP19950203033 priority Critical patent/EP0752509B1/fr
Publication of EP0752509A1 publication Critical patent/EP0752509A1/fr
Application granted granted Critical
Publication of EP0752509B1 publication Critical patent/EP0752509B1/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
    • E05B13/10—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 lockable operating handle for windows, doors or the like of the type specified in the preamble of claim 1.
  • Lockable handles are used for security against burglary and for child security (security for children).
  • Several types of lockable handles are known, some types of which only enable locking when the windows or doors are fully closed, while other types also allow locking in the tilted position.
  • Lockable handles that are as small and compact as possible would generally be desirable. This is partly due to economic considerations because it saves material and partly due to aesthetic considerations. At the same time, however, the usual requirements or guidelines regarding the strength of such handles must be met. If the word strength is used in this connection, this means in particular resistance to vandalism and the like, in connection with unauthorized attempts to open it (break-in). Worth mentioning of such guidelines is the "RAL for Rast olives,” which prescribe a moment test according to which the handle must be able to withstand a torque of 200 Nm. Finally, it goes without saying that the fewer individual components are received in the handle, and the less complicated the production of such individual components is, the cheaper the handle will be.
  • the handle as such is usually made in a casting process from such materials as aluminum, zinc, brass, copper or alloys thereof.
  • the choice of materials depends, among other things. depending on the desired properties of the handle, including the appearance, and of the casting process concerned. The person skilled in the art is fully capable of making such a choice of suitable raw materials, while observing the requirements that the handle must meet.
  • Lockable actuating handles are known, for example, from DE-C2-32 04 931, EP-A1-0 296 865, EP-A1-0-460 297 and EP-B1-0 386 651.
  • EP-A1-0 460 297 and EP-B1-0 386 651 thereof describe a lockable actuating handle of the type specified in the preamble of claim 1.
  • EP-A1-0 460 297 describes a handle with a two-part coupling which comprises a locking sleeve or bushing and a locking ring which is axially displaceable on its outer circumference.
  • the locking bush is in a non-rotatable but axially displaceable engagement with the screw-on body or the cover plate through a corresponding recess.
  • the bolt bushing points at the top radially protruding ears with an intermediate hole that corresponds to a nose on the locking ring.
  • the locking ring has a radial extension with organs that are to interact with a locking pin or locking pin.
  • a push-button latch If a push-button latch is activated or pressed in, the nose snaps out of the engagement in the hole between the ears on the latch sleeve, and the handle can be pivoted.
  • Embodiments with two or four ears on the locking sleeve are described.
  • the former corresponds to a "tilt-before-turn,” type locking mechanism, while the latter relates to a 4-point locking mechanism.
  • This handle is a typical child lock handle, in that the handle can only be swiveled when the push button is pressed in at the same time.
  • This known handle does not meet the requirements described above with regard to the complexity of the manufacturing process and with regard to the strength and size of the handle.
  • the necessary recess in the handle must be made with a large positive tolerance, which allows the locking ring to slide without resistance but without play.
  • this known handle does not have the required strength.
  • the locking ring is axially slidable in traces in the handle.
  • the locking ring is never locked in the locking cycle in the screw-on plate.
  • the only locking takes place between the nose and the ears, i.e. a locking which is very limited in the radial direction as well as in the axial direction (only a single locking or engagement point, or of a limited height).
  • this handle is very sensitive: When a large force is applied, the locking bush as such is twisted by torsion or destroyed at the point of engagement in the screw-on plate, because of the relatively large distance between the engagement below and the ears above. And then the handle can be swiveled freely.
  • a handle with a four-part clutch is known from EP-B1-0 386 651, with an upper and lower clutch ring and an upper and lower control rail cylinder.
  • the upper coupling ring is axially displaceable in the handle, but non-rotatably as a result of radial lugs which are snapped into the handle with corresponding radial recesses.
  • the upper coupling ring also has a radial extension for interaction with a locking pin of a locking cylinder.
  • the lower coupling ring is firmly connected to the screw-on body.
  • the two coupling rings furthermore have axially outstanding, mutually facing claws, which engage in locked engagement when the locking mechanism is activated.
  • the additional rings in the form of intermediate control track cylinders, the the upper one in the rotationally fixed engagement with the upper coupling ring, the lower one firmly connected to the screw-on body, serve to enable a limited opening, in spite of locking, for example a pivoting of the handle by 90 °, ie a tilting opening.
  • the coupling ring is also displaceable as such in the handle recess, and therefore a large positive dimensional tolerance is again necessary between the recess in the handle and the coupling ring, so the coupling ring is not totally enclosed, which significantly reduces the ability to torque to transfer to a tightly enclosed clutch ring means.
  • This known handle also has the disadvantage that a fine adjustment of the recess in the handle is required. Otherwise, the clutch functions like the one mentioned above, only with a different type of engagement with claws, i.e. of considerably less strength because these claws are not enclosed by the screw-on body. As a result, the strength is significantly reduced when compared to an enclosed clutch ring. Finally, because of the "additional" cam track cylinders, this known handle is of a very complicated construction.
  • this handle still has an insufficient strength, although larger than for the handles mentioned above, because in this handle the wall of the sliding coupling element has to absorb all the stress in the event of attempts to break it open.
  • the coupling element is not enclosed by the screw-on plate, which is why the coupling ring itself deforms when the torque is increased.
  • the grip bush as such is made of steel, for example, quite simply in a sinter-based process.
  • the economic advantage is at least great, because the costs of the aftertreatment previously required are much greater than the manufacturing and assembly costs of this additional element.
  • the locking members of the locking arrangement mentioned in claim 1 on the coupling element and the locking arrangement connected to the screw-on body can have any shape, for example teeth, pins, claws or the like, and can occur in any number. What is essential is only the non-rotatable engagement between the parts mentioned, and that an axial displacement for engaging and disengaging is possible.
  • the handle bushing is pressed into the handle in the wording of claim 1. This means that it can be pressed or pressed straight into the recess of the handle with a tight fit.
  • the wording "tightly enclosing" of claim 1 the storage of the jack around around the handle neck means that the bushing is correctly centered with respect to the handle neck and with very close adjustment.
  • the handle neck is the only fixed point in the manufacturing process.
  • the grip bush must therefore tightly enclose the circumference of the grip neck.
  • the socket is axially slidable for mounting and dismounting on the handle neck.
  • the aforementioned non-rotatable enclosure can be achieved in various ways, for example by one or more teeth, pins, claw (s) or the like on the coupling element or on the grip bushing, in connection with corresponding recesses, holes or grooves on the other Part. The same applies to the firm indentation of the grip bush in the grip.
  • the handle according to claim 2 is particularly robust and its operation is very smooth because the coupling element in its two end positions, i.e. a locked or unlocked handle accordingly, is enclosed on the entire circumference by the handle bushing.
  • the coupling element is held very precisely and securely in its entire locking cycle, which ensures safe, smooth operation, regardless of the type of engagement between the coupling element and the screw-on body.
  • An externally toothed coupling element has a larger diameter, so that the torsional force when the actuating handle is locked results in a reduced transverse force in the coupling element.
  • the coupling element In the locked position, the coupling element is completely enclosed on the inside by the neck of the screw-on body or the handle neck and on the outside by the grip bush in the handle and the groove in the screw-on body.
  • the torsional force therefore has no deformative effect on the coupling element.
  • a handle of a particularly high strength and with a particularly light, robust and flawless operation as well as operating feeling is provided because the locking arrangement of the coupling element, i.e. the external toothing extends or extends over the entire axial height of this element. Likewise, the internal toothing of the grip bushing extends over the entire inner axial height of this bushing.
  • the depth of the groove in the screw body is about 2 to 4 mm, preferably 3 mm. It has been found, in the favorable design of the coupling element, the grip bushing and the screw-on body according to claims 3 and / or 4, that such a locking of the above-mentioned axial extension works very well in view of the desired resistance to attempts to break open. The smaller this lock, the smaller and more compact the handle itself.
  • a handle 1 with an axially fixed and rotatable handle neck 7 mounted in a screw-on body 5 is shown in FIG. 1, the screw-on body 5 being mounted on a window gear (or more correctly on a gear lock), for example by means of screws inserted through screw holes 24, 25. Other fixations of this body to the window gear are possible.
  • An axial direction is given by the line AA.
  • a driving arrangement in the form of a square pin 10 for engagement with a corresponding gear nut of a gear lock or another lock for the actuation and locking of a door or a window is mounted in the handle neck 7. Other driving arrangements can also be used.
  • a locking cylinder 16 with locking pin 23 is inserted in the handle. In the locked position according to FIG.
  • the pin 23 is maximally displaced out of the locking cylinder 16.
  • a key (not shown), possibly in combination with a push button, is used to activate this locking pin.
  • the lock is of the type provided with a locking pin which can be displaced parallel to the axial direction AA.
  • the locking pin 23 interacts with a coupling element 2, namely through a radial extension 11 there.
  • the locking pin 23 and the extension 11 can be connected, for example, by a screw connection 19 ( Fig. 2).
  • the coupling element 2 encloses the handle neck 7 in an axially displaceable manner.
  • the coupling element 2 has locking arrangements for establishing a non-rotatable (rotation-proof) locking engagement with a corresponding locking arrangement connected to the screw-on body 5.
  • the locking arrangements of the coupling element 2 have an external toothing around the entire outer circumference of the element, wherein the toothing can be locked in a locked engagement with a corresponding locking arrangement in the form of a recess or groove 8 on the screw-on body 5, which recess corresponds to the toothing of the coupling element Has gearing.
  • a depth of about 3 mm has been found to be sufficient to achieve the required strength.
  • a recess 9 corresponding to the handle bushing 4 shown hatched in section in FIG. 1 is provided around the handle neck 7 (FIGS. 2 and 6).
  • the grip bushing 4 is pressed into this recess, tightly enclosing the grip neck, but is axially displaceably mounted with regard to mounting and dismounting.
  • the grip bushing 4 has organs for the rotationally fixed enclosure of the coupling element 2, namely a External teeth of the coupling element corresponding internal teeth around the inner circumference of the socket.
  • FIG. 1 An unlocked handle is shown in FIG. It can be seen that the locking pin is shifted upwards in comparison to FIG. 1 (by approximately 3 mm), the coupling element 2 being shifted upwards by the extension 11 and the screw 19, a corresponding piece into the grip bushing 4, out of engagement with the recess 8 in the screw-on body 5. In this position the handle can be turned.
  • one or more slide rings 20 can be used, for example made of Teflon or another plastic, and, if desired, also one or more spacer rings 21, for example made of steel. Such spacer rings can be desired, for example, for manufacturing reasons.
  • Such rings 20, 21 are exposed at the top of a neck 6 of the rosette 5, are mounted against an inner collar of the grip bushing 4 and are shown by the coupling element 2 so as to enclose them firmly (see, inter alia, FIG. 4).
  • the coupling element 2 slides on this neck 6 during the locking and unlocking; it is also correct that the coupling element surrounds the handle neck 7 and is axially displaceable with respect to this.
  • a cover plate 15 can be attached to the top of the screw-on body. Such a plate serves only aesthetic purposes.
  • a corrugated ring 13 resiliently holds the cover plate.
  • a flare bushing 17, possibly with a locking insert 18 and a corrugated locking spring 14, can sit below the screw-on body in order to indicate the locking of the handle in a desired position with a clicking sound (audible).
  • the manufacture of the handle as such in a casting process has already been mentioned, and an aluminum-containing raw material is often used.
  • the screw-on body is also produced in a casting process, usually from zinc-containing alloys.
  • the coupling element and the grip bush are made of sintered steel in a sintering process.
  • the person skilled in the art will know to choose from the suitable possible raw materials and production processes for the individual parts of the handle. It is preferable to choose steel in the form of powder metal for the latter two elements.
  • FIG. 3 shows a plan view (seen from above)
  • FIG. 4 shows a sectional view along line II in FIG. 3
  • FIG. 5 shows a sectional view according to FIG Line II-II in Fig. 3.
  • a projecting neck 6 is formed centrally in the screw-on body, around which the coupling element 2 is to be attached in an axially slidable manner.
  • the coupling element 2 In the lower position, the coupling element 2 is in non-rotatable, locked engagement with the screw-on body, specifically in the recess 8 is shaped according to the coupling element.
  • the coupling element 2 In the upper position, delimited upwards by the grip bushing 4, the coupling element 2 is out of engagement with the recess 8 in the screw-on body 5.
  • the handle neck 7 projecting centrally from the paper plan has a hole 10 'corresponding to the square pin 10.
  • the hole 9 is, according to the illustrated embodiment of the grip sleeve 4, predominantly or generally circular and has a number of radially protruding recesses 26 corresponding to some radial extensions 12 of the grip sleeve 4 (FIG. 9).
  • Four such recesses 26 / extensions 12 are shown, but a different number can also be used. However, it has been found that just four is a preferred number, with regard to the resistance of the grip bushing 4 when the handle is turned against rotation in relation to the grip.
  • the shape of the recesses 26 / extensions 12 is of course variable within the scope of the invention.
  • a square hole 27 is shown on the right in FIG. 6, the contour of which roughly corresponds to that of the radial extension 11 of the coupling element 2. If the handle is unlocked, the coupling element is displaced in its end position against the bottom of the grip bushing 4, and depending on the axial position of this extension 11 on the coupling element 2, space is required in the grip bottom. According to the invention, this recess 9 can be produced with sufficient tolerance in the casting process alone. No aftertreatment is required because the grip bushing 4 is pressed into the recess.
  • the recesses 26 are intentionally formed too small, and a large tolerance is accepted on the circular arc segments that connect these recesses. The required precision is achieved in that the grip bushing is centered very precisely around the grip neck 7 and in that the extensions 12 are pressed down into the recesses 26.
  • the coupling element 2 shown in FIGS. 7 and 8 has a radial extension 11 with a hole for the screw 19.
  • the radial extension is accommodated in a maximum axial position, but this extension can also be accommodated in any other axial position.
  • Protruding teeth 3 are shown in the entire axial height of the coupling element 2, namely two different types of teeth: two plus two teeth 3 'in the area of the extension 11 and in the area diametrically opposite these teeth 3', and teeth 3 '' along of the remaining scope.
  • the extensions of the inclined side walls of the teeth 3 'and 3'' cut the circumference at two different angles.
  • the groove 8 in the screw-on body 5 is correspondingly toothed, and it can thus be seen that the coupling element 2, as indicated by dash-dotted lines B in FIG. 7, can engage with the screw-on body in two positions rotated by 180 °.
  • the use of the same handle in right and left hinged windows and doors is achieved (which is important if the Handle is asymmetrical), as well as a locking option in a 180 ° rotated position of the handle, ie in the tilted position.
  • the handle bushing 4 shown in FIGS. 9 and 10 has an internal toothing around the entire inner circumference and extends in the entire inner axial height of the bushing 4, as well as radially projecting lugs 12.
  • the handle bushing has a recess corresponding to the radial extension 11 of the coupling element.
  • FIG. 11 A perspective view of an embodiment of the handle according to the invention is shown in FIG. 11, namely broken down into its components.
  • FIG. 11 A perspective view of an embodiment of the handle according to the invention is shown in FIG. 11, namely broken down into its components.
  • Fig. 12 is a detailed perspective view of the grip bushing, the coupling element and the screw-on plate.
  • FIG. 12 Two components of FIG. 12 are shown in FIG. 13, partly in section, in the unlocked position.
  • the axial extension of the handle as such is 43.5 mm
  • the outside diameter of the handle bushing is 26.2 mm
  • the "clearance" in the sliding movement of the inner parts of the handle is approximately 3 mm.
  • the height of the grip bushing is approximately 8.5 mm and that of the coupling element is approximately 10.0 mm.

Landscapes

  • Lock And Its Accessories (AREA)
  • Mechanically-Actuated Valves (AREA)

Claims (7)

  1. Poignée d'actionnement à verrouillage pour des fenêtres, portes ou analogues, comportant un manche d'actionnement (1) et un col (7), monté de façon à pouvoir tourner et axialement fixe dans un corps de vissage (5) et recevant une tige à quatre pans (10), et avec un cylindre de serrure (16) équipé d'un tourillon de fermeture (23) qui est déplaçable dans une direction parallèle à la direction (A-A), ainsi qu'un élément de couplage (2) qui entoure le col (7), et l'élément d'accouplement (2) présentant un prolongement radial (11), destiné à coopérer avec le tenon de fermeture (23), et présentant un dispositif de verrouillage, l'élément d'accouplement (2) étant relié, au moyen du tenon de fermeture (23), de façon déplaçable axialement par rapport au col (7), en provoquant un encliquetage et un décliquetage avec un dispositif de verrouillage correspondant, qui est relié au corps de vissage (5), caractérisée en ce qu'une douille d'engagement (4) est enfoncée dans le levier, douille d'engagement (4) qui entoure le col (7) rigidement et l'élément d'accouplement (2) de façon assujettie en rotation, en permettant cependant un déplacement axial.
  2. Poignée d'actionnement selon la revendication 1, caractérisée en ce que l'entourage, avec assujettissement en rotation, de l'élément d'accouplement (2) par la douille (4) est obtenu au moyen d'une denture ménagée sur la totalité de la périphérie intérieure de la douille (4) et d'une denture correspondante, réalisée sur la périphérie extérieure complète de l'élément d'accouplement (2).
  3. Poignée d'actionnement selon l'une des revendications 1 à 2, caractérisée en ce que le dispositif de verrouillage de l'élément d'accouplement (2) est constitué par une denture réalisée sur toute sa périphérie extérieure, et en ce que le dispositif de verrouillage correspondant, relié au corps de vissage, comprend une cavité (8) dentée, dont le contour et la dimension correspondent à l'agencement de verrouillage de l'élément d'accouplement (2).
  4. Poignée d'actionnement selon la revendication 3, caractérisée en ce que la denture extérieure de l'élément d'accouplement (2) s'étend sur toute la hauteur axiale de cet élément, cette denture constituant tant le dispositif de verrouillage, destiné à produire un effet de possibilité de verrouillage sur le corps de vissage (5), qu'également assurant l'entourage, avec assujettissement en rotation, de l'élément d'accouplement (2) de la douille (4), et en ce que la denture de la douille (4) s'étend sur toute la hauteur axiale intérieure de cette douille.
  5. Poignée d'actionnement selon l'une des revendications 3 à 4, caractérisée en ce que la profondeur de la cavité (8) ménagée dans le corps de vissage (5) est de 2 à 4 mm.
  6. Poignée d'actionnement selon l'une des revendications 3 à 5, caractérisée en ce que l'élément d'accouplement (2) peut être montée en un engagement assujetti en rotation avec le corps de vissage (5), en deux positions différentes, chaque position correspondant à une rotation de 180° de l'autre position, autour de l'axe longitudinal de l'élément (2).
  7. Poignée d'actionnement selon la revendication 6, caractérisée en ce que la denture extérieure de l'élément d'accouplement (2) et, de même, la denture de la cavité (8) reliée au corps de vissage (5) sont constituées par deux types de dents (3', 3"), les prolongements (B, C) des parois latérales de ces dents, s'étendant dans la direction de l'intérieur de l'élément d'accouplement (2), coupant sa périphérie sous des angles différents.
EP19950203033 1995-07-07 1995-11-08 Poignée verrouillable pour fenêtre, porte etc. Expired - Lifetime EP0752509B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19950203033 EP0752509B1 (fr) 1995-07-07 1995-11-08 Poignée verrouillable pour fenêtre, porte etc.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP95201861 1995-07-07
EP95201861 1995-07-07
EP19950203033 EP0752509B1 (fr) 1995-07-07 1995-11-08 Poignée verrouillable pour fenêtre, porte etc.

Publications (2)

Publication Number Publication Date
EP0752509A1 EP0752509A1 (fr) 1997-01-08
EP0752509B1 true EP0752509B1 (fr) 1997-08-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950203033 Expired - Lifetime EP0752509B1 (fr) 1995-07-07 1995-11-08 Poignée verrouillable pour fenêtre, porte etc.

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EP (1) EP0752509B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19744141C1 (de) * 1997-10-07 1999-03-04 Roto Frank Ag Beschlag für Fenster, Türen oder dergleichen
DE202008004598U1 (de) * 2008-04-02 2009-08-13 Hoppe Ag Beschlag für Fenster oder Türen
NL1035287C2 (nl) * 2008-04-14 2009-10-15 Ami B V Raamsluiting.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3204931C2 (de) 1982-02-12 1985-09-12 Fa. Franz Karl Melchert, 5628 Heiligenhaus Drehbetätigungshandhabe für Fenster oder dergleichen
GB8714726D0 (en) 1987-06-24 1987-07-29 Window Machinery Sales Ltd Lockable handle
DE59000162D1 (de) 1989-03-04 1992-07-23 Hoppe Gmbh Co Kg Betaetigungshandhabe.
DE9006484U1 (fr) 1990-06-08 1990-08-09 Hoppe Gmbh & Co Kg, 3570 Stadtallendorf, De

Also Published As

Publication number Publication date
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