EP3749818B1 - Loquet à ressort réglable pour verrous - Google Patents

Loquet à ressort réglable pour verrous Download PDF

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Publication number
EP3749818B1
EP3749818B1 EP18720024.1A EP18720024A EP3749818B1 EP 3749818 B1 EP3749818 B1 EP 3749818B1 EP 18720024 A EP18720024 A EP 18720024A EP 3749818 B1 EP3749818 B1 EP 3749818B1
Authority
EP
European Patent Office
Prior art keywords
spring latch
tubular element
box
configuration
adjustable spring
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.)
Active
Application number
EP18720024.1A
Other languages
German (de)
English (en)
Other versions
EP3749818A1 (fr
Inventor
Matteo Fabbri
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.)
CISA SpA
Original Assignee
CISA SpA
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Filing date
Publication date
Application filed by CISA SpA filed Critical CISA SpA
Publication of EP3749818A1 publication Critical patent/EP3749818A1/fr
Application granted granted Critical
Publication of EP3749818B1 publication Critical patent/EP3749818B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C1/00Fastening devices with bolts moving rectilinearly
    • E05C1/08Fastening devices with bolts moving rectilinearly with latching action
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00Locks or fastenings with special structural characteristics
    • E05B63/06Locks or fastenings with special structural characteristics with lengthwise-adjustable bolts ; with adjustable backset, i.e. distance from door edge

Definitions

  • Locks are generally constituted by a box-like body that contains a plurality of kinetic mechanisms actuated by a cylinder (a cylinder lock) and/or by a handle for moving a sliding latch and a spring latch.
  • the door leaf (the door, for example) on which the lock is installed can therefore be opened only by acting on the cylinder and/or on the handle: if the sliding latches are extracted, it will be necessary to make them return (via the rotation of the key in the cylinder or, in particular technical solutions, with a specific movement of the handle) and, in any case, it will be necessary to act specifically to make the spring latch return (specific rotation of the key in the cylinder and/or rotation of the handle). If the spring latch does not enter into the shape of the box-like body of the lock (therefore exiting from the respective opening present in the strike plate of the jamb) then the door leaf cannot be opened.
  • the presence of plays (gaps of imprecise breadth) between the door leaf and the frame can determine the non-insertion or partial insertion of the spring latch into the respective accommodation cavity defined in the frame (on the jamb).
  • the spring latch will need to be removed: in such configuration the screw remains facing outward and, given its narrow diameter, it can be easily damaged as a consequence of involuntary impacts. Damage to the screw on which the spring latch is coupled can render the entire lock unusable.
  • the aim of the present invention is to solve the above mentioned drawbacks, by providing an adjustable spring latch for locks that can be easily arranged in any configuration comprised between that of maximum protrusion and that of minimum protrusion.
  • an object of the invention is to provide an adjustable spring latch for locks that can easily be inverted without exposing any delicate part of the lock during such operations.
  • Another object of the invention is to provide an adjustable spring latch for locks that permits adjustments of the protrusion even to a considerable extent.
  • a still further object of the present invention is to provide an adjustable spring latch for locks which is low cost, easily and practically implemented and safe in use.
  • an adjustable spring latch for locks that comprise a box-like body inside which lever mechanisms are functionally associated for actuating at least one spring latch and at least one sliding latch, both of which can move from a retracted configuration to a protruding configuration with respect to said box-like body
  • said adjustable spring latch comprising a through hole, aligned with the direction of sliding within the lock, for rotatably accommodating a tubular element which is provided with an internal threading, a fixed threaded pin, integral with a respective lever mechanism for actuating said spring latch, being externally threaded for coupling to said tubular element, the screwing and the unscrewing of said tubular element on said threaded pin causing the sliding of said spring latch between a configuration of maximum protrusion and a configuration of minimum protrusion with respect to said box-like body, said tubular element is externally grooved, said through hole of said spring latch being intercepted by a transverse channel for accommodating a locking prong for
  • the reference numeral 1 generally designates an adjustable spring latch for locks A.
  • the locks A comprise a box-like body B inside which lever mechanisms are functionally associated for actuating at least one spring latch and at least one sliding latch, both of which can move from a retracted configuration to a protruding configuration with respect to the box-like body B.
  • the spring latch 1 comprises a through hole 2, aligned with the direction of sliding within the lock A, for rotatably accommodating a tubular element 3 which is provided with an internal threading.
  • a fixed threaded pin 4 integral with a respective lever mechanism for actuating the spring latch 1, is externally threaded for coupling to the tubular element 3.
  • the screwing and unscrewing of the tubular element 3 on the threaded pin 4 causes the sliding of the spring latch 1 between a configuration of maximum protrusion and a configuration of minimum protrusion with respect to the box-like body B.
  • the tubular element 3 is externally grooved.
  • the through hole 2 of the spring latch 1 is intercepted by a transverse channel 5 for accommodating a prong 6 for locking the tubular element 3.
  • the prong 6 interferes with the at least one groove 7, 8 of the tubular element 3, preventing translations thereof and permitting rotations thereof about its axis of symmetry.
  • the external grooves 7, 8 of the tubular element 3 can positively be at least two in number, for accommodating a portion of a respective prong 6, inserted into the channel 5 of the spring latch 1, according to different locked configurations which correspond to different protrusions of the spring latch 1 from the box-like body B.
  • the tubular element 3 can positively present, on its front directed toward the outside in the configuration of use, a shaping, of the type preferably selected from at least one notch (9), a toothing, a predefined shape structure and the like.
  • tubular element 3 can advantageously be made of material preferably selected from metals, metal alloys, polymers, composite materials, ceramic materials, sintered materials and combinations thereof.
  • the through hole 2 of the spring latch 1 has its axis coinciding with the straight line according to which the median sagittal plane and the front plane of the spring latch 1 proper intersect.
  • the spring latch 1 can, that is to say, be mounted according to one of the two possible directions of opening of the door leaf in which the lock A will be installed.
  • threaded pin 4 is conveniently integral with the rod C (generally known in the sector as a spring latch rod) which can slide within the box-like body B as a result of actuating at least one component selected from the handle and the key inserted in the rotor of the actuation cylinder.
  • rod C generally known in the sector as a spring latch rod
  • the present invention solves the above mentioned problems, by providing an adjustable spring latch 1 for locks A that can be easily arranged in any configuration comprised between that of maximum protrusion and that of minimum protrusion.
  • such adjustment can be carried out by way of screwing/unscrewing the element 3 on the pin 4 and/or by way of coupling the element 3 to the spring latch 1 using different grooves 7, 8 which are present on the element 3 and are adapted to engage a portion of the prong 6 inserted into the channel 5 (which interferes with the hole 2).
  • the spring latch 1 according to the invention can be inverted easily without exposing any delicate part of the lock A during such operations: as seen previously the pin 4 remains within the shape of the box-like body B.
  • the adjustable spring latch 1 also makes it possible to adjust the protrusion to a considerable extent, by virtue of the possibility of coupling the element 3 to the hole 2 according to different configurations corresponding to the different grooves 7, 8 that are present on the element 3 proper (which partially accommodate the prong 6 for coupling the element 3 to the spring latch 1).
  • the materials employed, as well as the dimensions, may be any according to requirements and to the state of the art.

Landscapes

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

Claims (6)

  1. Pêne à ressort réglable pour des serrures (A) qui comportent un corps analogue à un boîtier (B) à l'intérieur duquel des mécanismes à levier sont fonctionnellement associés pour actionner au moins un pêne à ressort (1) et au moins un verrou coulissant, dont les deux peuvent se déplacer d'une configuration rétractée à une configuration en saillie par rapport audit corps analogue à un boîtier (B), ledit pêne à ressort réglable comportant un trou traversant (2), aligné avec la direction de coulissement à l'intérieur de la serrure (A), pour recevoir de manière rotative un élément tubulaire (3) qui est pourvu d'un filetage interne, une goupille filetée fixe (4), solidaire d'un mécanisme à levier respectif pour actionner ledit pêne à ressort (1), étant filetée extérieurement pour un accouplement audit élément tubulaire (3), le vissage et le dévissage dudit élément tubulaire (3) sur ladite goupille filetée (4) entraînant le coulissement dudit pêne à ressort (1) entre une configuration de saillie maximale et une configuration de saillie minimale par rapport audit corps analogue à un boîtier (B),
    caractérisé en ce que ledit élément tubulaire (3) est rainuré extérieurement, ledit trou traversant (2) dudit pêne à ressort (1) étant intercepté par un canal transversal (5) pour recevoir un bras de blocage (6) pour bloquer ledit élément tubulaire (3), dans la configuration bloquée, ledit bras (6) interférant avec la au moins une rainure (7, 8) dudit élément tubulaire (3), en empêchant des translations de celui-ci et en permettant des rotations de celui-ci autour de son axe de symétrie.
  2. Pêne à ressort réglable selon la revendication 1, caractérisé en ce que lesdites rainures externes (7, 8) dudit élément tubulaire (3) sont au moins au nombre de deux, pour recevoir une partie d'un bras (6) respectif, inséré dans ledit canal (5) dudit pêne à ressort (1), en fonction de différentes configurations bloquées qui correspondent à différentes saillies dudit pêne à ressort (1) à partir dudit corps analogue à un boîtier (B).
  3. Pêne à ressort réglable selon la revendication 1, caractérisé en ce que ledit élément tubulaire (3) présente, sur son avant dirigé vers l'extérieur dans la configuration d'utilisation, une mise en forme, du type de préférence choisi parmi au moins une encoche (9), une denture, une structure de forme prédéfinie et analogue, pour un appariement avec un outil, de forme et de dimensions sensiblement complémentaires, qui est adapté pour régler la saillie dudit pêne à ressort (1).
  4. Pêne à ressort réglable selon la revendication 1, caractérisé en ce que ledit élément tubulaire (3) est constitué d'un matériau de préférence choisi parmi des métaux, des alliages de métaux, des polymères, des matériaux composites, des céramiques, des matériaux frittés et des combinaisons de ceux-ci.
  5. Pêne à ressort réglable selon la revendication 1, caractérisé en ce que ledit trou traversant (2) dudit pêne à ressort (1) a son axe coïncidant avec la ligne droite selon laquelle le plan sagittal médian et le plan avant dudit pêne à ressort (1) se coupent, ledit pêne à ressort (1) pouvant être inséré dans la cavité respective dudit corps analogue à un boîtier (B) en fonction de deux configurations séparées, présentant mutuellement une symétrie spéculaire.
  6. Pêne à ressort réglable selon une ou plusieurs des revendications précédentes, caractérisé en ce que ladite goupille filetée (4) est solidaire de la tige (C) du pêne à ressort qui peut coulisser à l'intérieur dudit corps analogue à un boîtier (B) en résultat d'un actionnement d'au moins un composant choisi parmi la poignée et la clé insérée dans le rotor du barillet d'actionnement.
EP18720024.1A 2018-02-07 2018-02-07 Loquet à ressort réglable pour verrous Active EP3749818B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2018/000016 WO2019155498A1 (fr) 2018-02-07 2018-02-07 Loquet à ressort réglable pour verrous

Publications (2)

Publication Number Publication Date
EP3749818A1 EP3749818A1 (fr) 2020-12-16
EP3749818B1 true EP3749818B1 (fr) 2022-04-20

Family

ID=62046992

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18720024.1A Active EP3749818B1 (fr) 2018-02-07 2018-02-07 Loquet à ressort réglable pour verrous

Country Status (3)

Country Link
EP (1) EP3749818B1 (fr)
ES (1) ES2915509T3 (fr)
WO (1) WO2019155498A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2597539B1 (fr) * 1986-04-18 1992-01-24 Tirard Sa Jean Ensemble de verrouillage pourvu d'au moins un pene reglable dans le sens de la longueur
FR2628782B1 (fr) * 1988-03-21 1990-08-10 Tirard Sa Ets Jean Dispositif de reglage de la longueur utile de la partie active d'au moins un pene d'un ensemble de verrouillage
US5489128A (en) * 1994-06-17 1996-02-06 Florian; David W. Lockset having adjustable backset
ATE352689T1 (de) * 2002-02-22 2007-02-15 Comunello Flii Spa Fallenschloss

Also Published As

Publication number Publication date
EP3749818A1 (fr) 2020-12-16
WO2019155498A1 (fr) 2019-08-15
ES2915509T3 (es) 2022-06-22

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