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EP4438836A1 - Système de fermeture et porte ou fenêtre dotée d'un tel système de fermeture - Google Patents

Système de fermeture et porte ou fenêtre dotée d'un tel système de fermeture Download PDF

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Publication number
EP4438836A1
EP4438836A1 EP23210394.5A EP23210394A EP4438836A1 EP 4438836 A1 EP4438836 A1 EP 4438836A1 EP 23210394 A EP23210394 A EP 23210394A EP 4438836 A1 EP4438836 A1 EP 4438836A1
Authority
EP
European Patent Office
Prior art keywords
pin
polygonal
slide
locking system
locking
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.)
Pending
Application number
EP23210394.5A
Other languages
German (de)
English (en)
Inventor
Jörg Ruhland
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.)
Hermat Metallwaren B Porst GmbH
Original Assignee
Hermat Metallwaren B Porst GmbH
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 Hermat Metallwaren B Porst GmbH filed Critical Hermat Metallwaren B Porst GmbH
Publication of EP4438836A1 publication Critical patent/EP4438836A1/fr
Pending 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
    • E05B13/005—Disconnecting the handle
    • 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
    • E05B15/0033—Spindles for handles, e.g. square spindles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0035—Locks or fastenings for special use for privacy rooms, e.g. bathrooms

Definitions

  • the invention relates to a locking system for a door or a window and to a door or a window with such a locking system.
  • handles designed as door or window handles to operate a lock on a door or window.
  • These handles are arranged on the two large surfaces of the door or window and are connected to one another via a polygonal pin, in particular designed as a square.
  • the handles are arranged on the polygonal pin in a rotationally fixed manner, so that a synchronous adjustment movement takes place when one of the handles is operated.
  • the polygonal pin passes through a lock nut of a mortise lock, which is inserted into a corresponding lock receptacle on a door leaf or window leaf.
  • the lock nut has a polygonal receptacle with which the polygonal pin engages.
  • the invention is based on the object of creating a locking system by means of which a door or a window can be locked in its closed position from one side by means of a polygonal pin.
  • the invention is also based on the object of providing a window and a door with such a locking system.
  • a locking system for a door or a window which comprises a first handle, a second handle, a polygonal pin with a base pin and a locking slide.
  • the polygonal pin engages the first handle at a first end in a rotationally fixed manner and the second handle at a second end opposite the first end in the axial direction of the polygonal pin.
  • the base pin extends continuously between the two handles.
  • the locking slide is mounted on the base pin so that it can move in the axial direction of the polygonal pin.
  • the polygonal pin has an engagement element for engaging in a lock nut of a lock.
  • the engagement element is mounted so that it can rotate relative to the base pin and can be switched by means of the locking slide between a holding state, in which the engagement element is arranged so that it can rotate relative to the base pin, and a release state. In the release state, the engagement element can be rotated relative to the base pin, in particular about a longitudinal axis of the polygonal pin.
  • the core idea of the invention is that the engagement element can be switched between the holding state and the release state using the polygonal pin.
  • the engagement element In the holding state, the engagement element is rotated together with the base pin when one of the two handles is operated, so that the lock in question can be operated via the lock nut.
  • the release state when one of the handles is operated, only the base pin is rotated relative to the lock or the lock nut, while the engagement element remains untwisted, so that the lock nut or the lock is not operated.
  • the latter corresponds to the locked position of the locking system, in which the door or window cannot be opened even when one of the handles is operated.
  • the base pin can be made up of one or more parts.
  • the polygonal pin for example, is at least partially designed as a square pin.
  • the locking system comprises an emergency release slide that can be moved in the axial direction of the polygonal pin.
  • the emergency release slide is arranged on the side of the polygonal pin facing away from the locking slide and can be moved between a basic position and an emergency position.
  • the emergency release slide In the basic position, the emergency release slide is, for example, disengaged from the engagement element, i.e. spaced from the engagement element or has no connection to the engagement element.
  • the engagement element can therefore be rotated relative to the base pin, for example.
  • the emergency release slide can engage the engagement element in such a way that the engagement element is held in a rotationally fixed manner relative to the base pin. If the emergency release slide is in the emergency position, a rotational movement of the base element can be transferred to the engagement element. Operating one of the handles can thus lead to an operation of the lock nut or the relevant lock, so that the door or window can be opened.
  • the emergency release slide can be slidably mounted on the base pin.
  • the base section comprises at least one guide track on which the locking slide or the emergency release slide is slidably mounted.
  • the base section can have exactly two guide tracks, wherein the locking slide is slidably mounted on a first of the guide tracks and the emergency release slide is slidably mounted on the second guide track.
  • the locking slide and/or the emergency release slide are T-shaped.
  • the at least one guide track can be laterally delimited by side walls which extend away from a base body of the base pin, in particular in extension of the side walls of the base body.
  • the side walls each have a recess.
  • Arms of the T-shaped locking slide or the T-shaped emergency release slide can be arranged in the recesses.
  • the recesses can be aligned with each other in the transverse direction of the polygonal pin.
  • the recesses In the axial direction of the polygonal pin, the recesses have, for example, such a length that the locking slide or the emergency release slide can be moved in the axial direction of the polygonal pin.
  • a length of the recess in the axial direction of the polygonal pin is therefore, for example, greater than an extension of the arms of the T-shaped locking slide or the T-shaped emergency release slide in the axial direction of the polygonal pin.
  • the relative movement range of the locking slide or the emergency release slide to the base pin can be limited.
  • the locking slide is displaced in the holding state in the direction of the engagement element in such a way that the engagement element is arranged, in particular partially, in a groove-like receptacle of the engagement element in such a way that the holding element transmits a rotational movement of the base pin to the engagement element.
  • the groove-like receptacle of the engagement element is aligned with the at least one guide track, in particular with the guide tracks, when the handles are in an unactuated state.
  • the base pin, the engagement element and/or the locking slide are designed as separate components.
  • the locking slide and/or the emergency release slide can (each) have a longitudinal extension, i.e. an extension in the axial direction of the polygonal pin, which is a maximum of half, in particular less than half, of the longitudinal extension of the base pin.
  • the locking slide engages with its end facing away from the engagement element in a shaft of the first handle, on which an actuating element connected, in particular firmly, to the locking slide is arranged.
  • the actuating element can, for example, be screwed to the locking slide.
  • the locking slide can be switched between the holding state and the release state, in particular by moving the locking slide in the axial direction of the polygonal pin.
  • the actuating element is manually accessible, for example, when the locking system is mounted on a door or window.
  • the actuating element can penetrate a shaft of the first handle in the radial direction.
  • the locking system comprises a folding element which is pivotably mounted on the emergency release slide. This allows the folding element to be pivoted between an insertion position and an assembly position.
  • the folding element can be pivoted about a rotation axis extending in the transverse direction of the polygonal pin.
  • the folding element in particular a longitudinal axis of the folding element, is aligned horizontally in the inserted position, while the folding element is aligned vertically in the assembled position.
  • the slider together with the folding element in the inserted position in which the longitudinal axis of the slider and the longitudinal axis of the folding element are aligned parallel, can be easily pushed through the lock nut to mount the actuating device, whereby tilting or wedging of the polygonal pin can be ruled out when mounting the actuating device.
  • the vertical alignment of the folding element in the assembled position in which the locking system is fully mounted on the door or window and in which the longitudinal axis of the folding element is arranged orthogonal to the longitudinal axis of the emergency release slider, allows easy access to the emergency release slider via the folding element.
  • the locking system comprises a spring which pre-tensions the emergency release slide in a basic position.
  • a force acting against the spring force in particular in the direction of the engagement element, is therefore required.
  • the spring automatically returns the emergency release slide to the basic position.
  • the second handle in which the emergency release slide is arranged, comprises at least one tool opening.
  • the second handle can have exactly one tool opening or exactly two tool openings.
  • a tool for moving the emergency release slide, in particular from the basic position to the emergency position, i.e. for moving the emergency release slide in the axial direction of the polygonal pin, can be inserted through the tool opening.
  • the emergency release slide is moved in the direction of the locking slide, for example by means of the tool, i.e. when the emergency release slide is pressed, a rotary movement of the base pin is transmitted via the emergency release slide to the engagement element so that the lock nut can be actuated.
  • the tool opening can be formed on an underside of the handle, in particular in the form of an elongated slot, or on a side of the handle facing away from the first handle, in particular in the form of a round recess.
  • the tool opening can be arranged such that a tool can be inserted through the tool opening in such a way that the tool rests directly on the emergency release slide.
  • the tool opening is arranged, for example, in such a way that a tool can be inserted through the tool opening in such a way that the tool rests against the folding element or engages in a recess in the folding element, which in turn transmits an adjustment movement to the emergency release slide.
  • the base pin comprises two polygonal sections, in particular one polygonal section at each end, and a bearing section connecting the two polygonal sections to one another.
  • the base pin can be designed in one or two parts.
  • one of the polygonal sections and the bearing section is designed as one component and the other polygonal section forms a separate component.
  • At least one of the polygonal sections has at least one guide track.
  • both polygonal sections each include one of the guideways.
  • the polygonal sections can be square sections.
  • the bearing section has a substantially round cross-section and is tapered compared to the polygonal sections.
  • At least one of the polygonal sections can comprise a rectangular base body, from which side walls laterally delimiting the guide track extend in a first region and a second region, so that a U-shaped profile is formed.
  • the engagement element has, for example, a U-shaped profile in cross-section with a further, in particular rectangular, base body and further side walls.
  • the engagement element can have a profile that is closed in cross-section, in particular rectangular or cuboid-shaped.
  • the engagement element has, for example, at least one notch on its upper side in which the locking slide or the emergency release slide can be partially arranged.
  • the receptacle of the engagement element corresponds to the bearing portion, in particular such that the engagement element is rotatable about the axial direction of the polygonal pin, wherein the bearing portion prevents movement of the engagement element in the transverse direction and/or vertical direction.
  • the further basic body can correspond in its design to the basic body.
  • the further side walls can correspond in their design to the side walls. Furthermore, the invention relates to a door comprising a locking system as described above.
  • the invention relates to a window having a locking system as described above.
  • a locking system 10 which serves for installation in a door leaf 12, which is in particular part of a door of a sanitary room or the like.
  • the locking system 10 comprises a first handle 14 and a second handle 16.
  • the handle 14 is arranged on the side of the door leaf 12 facing the sanitary room.
  • the handle 16 is arranged on the outside of the door, i.e. on the side of the door leaf 12 facing away from the sanitary room in question.
  • the handle 14 is rotatably mounted on a first rosette 18 and the handle 16 is rotatably mounted on a second rosette 20.
  • the rosettes 18 and 20 are connected to the door leaf 12 in a rotationally fixed manner.
  • the locking system 10 further comprises a polygonal pin 22, which is formed in several parts and has a base pin 24.
  • the base pin 24 is preferably formed in one piece and engages with a first end 26 in a rotationally fixed manner in a shaft 28 of the handle 14.
  • a second end 30 of the base pin 24 engages in a rotationally fixed manner in a shaft 32 of the handle 16, which is rotatably mounted on the rosette 20.
  • the ends 26 and 30 of the base pin 24 are each formed by polygonal sections which are connected to one another via a rod-like bearing section 34 which has a substantially round cross-section, in particular with a flat upper side, and is tapered relative to the polygonal sections.
  • An engagement element 36 is rotatably mounted on the bearing section 34 of the base pin 24, the external dimensions of which correspond to the dimensions of a receptacle 38 of a lock nut 40 of a mortise lock 42.
  • the mortise lock 42 is arranged in a lock receptacle 44 of the door leaf 12.
  • the polygonal pin 22 has a locking slide 44 which is slidably mounted in a guide track 46 of the polygonal section of the base pin 24 forming the end 26.
  • the locking slide 44 is provided with an actuating element 48 which passes through the shaft 28 of the handle 14 in the radial direction.
  • the locking slide 44 can be manually moved between a door securing position in which it does not engage in a receptacle 50 of the engagement element 36 (see Figures 3 and 4 ), and a holding position in which it engages in the receptacle 50 of the engagement element 36, so that when one of the handles 14 and/or 16 is actuated, the latter is rotated together with the base pin 24, whereby the lock nut 40 and the lock 42 are actuated (see Figures 5 and 6 ).
  • the polygonal pin 22 further comprises an emergency release slide 52 which is slidably mounted in a guide track 54 of the polygonal section of the base pin 24 forming the end 30 and which is pre-tensioned by a spring 56 into a basic position in which it is disengaged from the engagement element 36.
  • an emergency release slide 52 is pressed against the force of the spring 56 into the receptacle 50 of the engagement element 36, the engagement element 36 is secured against rotation relative to the base pin 24, so that actuation of one of the handles 14 and 16 leads to actuation of the lock nut 40.
  • the handle 16 has a tool opening, in particular a tool hole 58, into which a pin-like tool can be inserted and pressed against a bevel 60 of the emergency release slide 52.
  • the emergency release slide 52 can thus be pressed into the engagement element 36 with its end facing away from the bevel 60, so that actuation of the handle 16 leads to actuation of the lock nut 40 (see Figures 7 and 8 )
  • the locking slide 44 and the emergency release slide 52 each have stop knobs 62 and 64, respectively, which interact with corresponding counter stops 66 and 68 of the base pin 24 in such a way that they limit a maximum displacement path of the slides 44 and 52.
  • a locking system 70 which serves for installation in a door leaf 12, which is in particular part of a door of a medical room or the like.
  • the locking system 70 comprises a first handle 72 and a second handle 74.
  • the first handle 72 is arranged on the side of the door leaf 12 facing the medical room.
  • the second handle 74 is arranged on the outside of the door, i.e. on the side of the door leaf 12 facing away from the medical room in question.
  • the first handle 72 is rotatably mounted on a first rosette 76 and the second handle 74 is rotatably mounted on a second rosette 78.
  • the rosettes 76 and 78 are in turn connected to the door leaf 12 in a rotationally fixed manner.
  • the locking system 70 comprises a polygonal pin 80.
  • the polygonal pin 80 has, as shown in particular Figure 10 , a base pin 82 and an engagement element 94.
  • the base pin 82 comprises a bearing section 92 and two polygonal sections 126 and 128.
  • the polygonal sections 126 and 128 are connected to one another via the bearing section 92, i.e. they adjoin the bearing section 92 at the end.
  • the bearing section 92 has a round outer circumferential surface in a lateral and lower area.
  • the bearing section 92 is flat on its upper side and is aligned with guide tracks 98 and 106 of the polygonal sections 126 and 128, respectively.
  • the locking slide 96 can be rotated on the bearing section 92 about the longitudinal axis of the polygonal pin 80.
  • the polygonal sections 126 and 128 each comprise a base body 132 with a rectangular cross-section and side walls 130.
  • An upper side of the base body 132 forms the guide track 98 or 106.
  • the guide track 98 or 106 is laterally delimited by the side walls 130 in a first partial area and a second partial area.
  • the side walls 130 form extensions of the outer sides of the base body 132 that extend upwards in the vertical direction. Between the first area and the second area, the side walls 130 each have a recess 134.
  • the locking system 70 further comprises a locking slide 96, which is mounted on the base pin 82, in particular in the guide track 98, so as to be displaceable in the longitudinal direction of the polygonal pin 80.
  • the locking slide 96 is T-shaped, i.e. it comprises a base body extending in the axial direction of the polygonal pin 80, from which arms 136 extending in the transverse direction extend laterally.
  • the arms 136 are in an assembled state, as particularly shown in Figure 11 can be seen, arranged in the recesses 134, while the base body of the locking slide 96 rests on the guide track 98.
  • the recesses 134 have a larger dimension in the longitudinal direction of the polygonal pin 80 than the arms 136. This enables and limits a displacement of the locking slide 96 in the guide track 98.
  • the locking slide 96 comprises a stop knob 114, which interacts with corresponding counter stops 116 of the base pin 24, so that the maximum displacement path of the locking slide 96 is fixed.
  • the locking slide can be displaced in the axial direction of the polygonal pin 80 in the direction of the engagement element by means of an actuating element 100, which passes through the shaft 86 of the first handle 72 in the radial direction, in such a way that the locking slide 96 is partially arranged in a receptacle 102 of the engagement element 94.
  • the engagement element 94 is thereby in a holding position in which the engagement element 94 is rotated together with the base pin 82 when one of the handles 72 and 74 is actuated, whereby the lock nut 40 and the lock 42 are actuated and the door can be opened.
  • the engagement element 94 is in a release state.
  • the base pin 82 can be rotated relative to the engagement element 94, so that actuation of the handles 72 and 74 does not cause actuation of the lock nut 40 and the lock 42.
  • the locking system 70 further comprises an emergency release slide 104 for emergency release of the door from a side on which the second handle 74 is arranged.
  • the Emergency release slide 104 is T-shaped, i.e. it comprises arms 136 extending in the transverse direction and a base body extending in the longitudinal direction of the polygonal pin 80. At the end of the base body, a bevel 112 adjoins it, which extends downwards in the vertical direction.
  • a folding element 120 is pivotably mounted on the edge 112 about a pivot axis extending in the transverse direction.
  • the folding element 120 can be pivoted between an insertion position and an assembly position because it is connected in an articulated manner to the emergency release slide 104.
  • the folding element In the inserted position, the folding element is aligned horizontally, i.e. it extends in the axial direction of the polygonal pin 80. In the assembled position, the folding element 120 is aligned vertically, i.e. in the vertical direction. This enables the emergency release slide 104 together with the folding element 120 to be easily pushed through the lock nut 40 for mounting the actuating device in the inserted position, in which the longitudinal axis of the emergency release slide 104 and the longitudinal axis of the folding element 120 are aligned parallel to one another (see Figure 14 ).
  • the folding element 120 is, as shown in the Figures 15 to 17 is shown, from which in Figure 15 shown insertion position into the mounting position, which is in Figure 17 shown.
  • the second handle 74 further comprises a tool slot 122 on an underside of the shaft.
  • the tool 124 can be brought into engagement with the folding element 120 through the tool slot 122, so that the folding element 120 can be displaced in the direction of the door leaf 12.
  • the folding element 120 in turn transmits the displacement movement to the emergency release slide 104.
  • the emergency release slide 104 is displaced in the direction of the engagement element 94 in the axial direction of the polygonal pin 80 in such a way that a front end of the emergency release slide 104 is arranged in the receptacle 102 of the engagement element 94, whereby the engagement element 94 is in the holding state.
  • An adjustment movement of the emergency release slide 104 relative to the polygonal pin 80 is defined by a geometric configuration of the arms 136 in relation to the recess 134.
  • the locking system 70 comprises a spring 108, a pin 118 and a bearing element 138, which is fixed to an underside of the emergency release slide 104.
  • the base pin 82 has a spring receiving space at the end.
  • the spring 108 and an end region of the pin 118 facing the base pin 82 are arranged in the spring receiving space.
  • the bearing element 138 transmits an adjustment movement of the emergency release slide 104 to the pin 118.
  • the pin 118 in turn compresses the spring 108, thereby tensioning it.
  • the emergency release slide 104 is thus returned to its starting position due to the tension of the spring 108, in which the emergency release slide 104 is not arranged in the receptacle 102 of the engagement element 94.
  • FIGS. 19 and 20 show an alternative embodiment of a polygonal pin 140 of a locking system according to the invention.
  • the polygonal pin 140 can be used instead of the polygonal pin 22 or the polygonal pin 80 of the locking system 10 or 70.
  • the multi-edge pin 140 essentially corresponds in its design to the multi-edge pins 22 80. Therefore, structurally identical elements are provided with the same reference numerals and the above statements regarding these apply accordingly to the multi-edge pin 140. In the following, therefore, only the distinguishing features are explained.
  • the polygonal pin 140 is designed in several parts.
  • the polygonal pin 140 comprises a first polygonal pin element 162, a second polygonal pin element and a third polygonal pin element.
  • the first polygonal pin element 162, the second polygonal pin element and the third polygonal pin element are designed as separate components.
  • the first polygonal pin element 162 forms a two-part base pin together with the second polygonal pin element.
  • the first polygonal pin element 162 comprises a first polygonal section 146 and a bearing section 144.
  • the first polygonal pin element 162 is formed from the first polygonal section 146 and the bearing section 144.
  • the first polygonal section 146 corresponds in its design to the polygonal sections 126 of the shooting system 70.
  • the bearing section 144 corresponds in its design to the bearing section 92 of the locking system 70, with the exception that the bearing section 144 has a tapered end section 156 at an end facing away from the polygonal section 146.
  • the tapered end section 156 has a round cross-section, i.e. it is rod-shaped.
  • the second polygonal pin element is formed from a second polygonal section 148.
  • the second polygonal section 148 corresponds in its design to the polygonal section 128 of the locking system 70, with the exception that the second polygonal section 148 has a blind hole 154 at its end facing the first polygonal pin element 162 (see Figure 21 ).
  • the second polygonal section 148 analogous to the polygonal section 128, comprises a further blind hole 164 for receiving a spring and/or a pin.
  • the further blind hole 164 is arranged on a side of the polygonal section 148 opposite the blind hole 154.
  • the third polygonal pin element is an engagement element 150.
  • the engagement element 150 corresponds in its design to the engagement element 94 of the locking system 70, with the exception that the engagement element 150 is designed to be closed in the vertical direction and in the transverse direction.
  • the engagement element 150 is therefore essentially rectangular.
  • a through hole 152 extends through the engagement element 150.
  • a first notch 158 and a second notch 160 are provided on a wall of the engagement element 150 which delimits the through hole 152 at the top.
  • the first Notch 158 is formed on a side of the top of the engagement element 150 facing the first polygonal section 146.
  • the second notch 160 is formed on a side of the top of the engagement element 150 opposite the first notch 158, i.e. on a side facing the second polygonal section 148.
  • the first notch 158 and the second notch 160 each have a geometry such that a locking slide or a groove release slide can be arranged in them for locking or releasing the locking system.
  • the engagement element 150 is pushed onto the bearing section 144 in an assembled state of the polygonal pin 140, the bearing section 144 is thus arranged in the through hole 152 of the engagement element 150 in such a way that the engagement element 150 rests against the first polygonal section 146.
  • side walls 130 of the first polygonal section 146 can adjoin side walls which define the first notch 158, so that a continuous guide track 98 is formed.
  • the notch 158 of the engagement element 150 therefore directly adjoins the guide track 98 of the first polygonal section 146.
  • the tapered end section 156 protrudes at least partially, in particular completely, at an end facing the second polygonal section 148.
  • the engagement element 150 is therefore pushed onto the bearing section in such a way that the tapered end section 156 emerges again from the through hole 152 of the engagement element 150 on the side facing away from the first polygonal section 146.
  • the second polygonal section 148 is pushed onto the tapered end section 156, in particular the protruding region of the tapered end section 156, such that the second notch 160 adjoins a guide track 106 of the polygonal section 148.
  • the one in the Figure 19 and Figure 20 The polygonal pin 140 shown differs from the ones shown in the Figures 1 to 18 shown polygonal pins 22 and 80, in particular in that the base pin is designed in two parts and not in one part.

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  • Lock And Its Accessories (AREA)
EP23210394.5A 2023-03-27 2023-11-16 Système de fermeture et porte ou fenêtre dotée d'un tel système de fermeture Pending EP4438836A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202023101539 2023-03-27

Publications (1)

Publication Number Publication Date
EP4438836A1 true EP4438836A1 (fr) 2024-10-02

Family

ID=88837626

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23210394.5A Pending EP4438836A1 (fr) 2023-03-27 2023-11-16 Système de fermeture et porte ou fenêtre dotée d'un tel système de fermeture

Country Status (1)

Country Link
EP (1) EP4438836A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2255798A (en) * 1991-05-16 1992-11-18 Marston & Co Ltd Albert Latch furniture assembly
US20100126239A1 (en) * 2008-10-31 2010-05-27 Berger Mark J Conical shank anti-ligature releasable door lever
US20210238882A1 (en) * 2020-01-30 2021-08-05 Karcher Gmbh Door locking system
EP4060147A1 (fr) * 2021-03-16 2022-09-21 Hermat-Metallwaren B. Prost GmbH Dispositifs d'actionnement pour une serrure, ainsi que systèmes serrures pourvus de tels dispositifs d'actionnement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2255798A (en) * 1991-05-16 1992-11-18 Marston & Co Ltd Albert Latch furniture assembly
US20100126239A1 (en) * 2008-10-31 2010-05-27 Berger Mark J Conical shank anti-ligature releasable door lever
US20210238882A1 (en) * 2020-01-30 2021-08-05 Karcher Gmbh Door locking system
EP4060147A1 (fr) * 2021-03-16 2022-09-21 Hermat-Metallwaren B. Prost GmbH Dispositifs d'actionnement pour une serrure, ainsi que systèmes serrures pourvus de tels dispositifs d'actionnement

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