EP3587713A1 - Systeme de blocage - Google Patents

Systeme de blocage Download PDF

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Publication number
EP3587713A1
EP3587713A1 EP18180994.8A EP18180994A EP3587713A1 EP 3587713 A1 EP3587713 A1 EP 3587713A1 EP 18180994 A EP18180994 A EP 18180994A EP 3587713 A1 EP3587713 A1 EP 3587713A1
Authority
EP
European Patent Office
Prior art keywords
locking
base part
wing element
locking part
rotation
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.)
Granted
Application number
EP18180994.8A
Other languages
German (de)
English (en)
Other versions
EP3587713C0 (fr
EP3587713B1 (fr
Inventor
Harald Windecker
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.)
Stuck Edeltraut
Original Assignee
Stuck Edeltraut
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 Stuck Edeltraut filed Critical Stuck Edeltraut
Priority to EP18180994.8A priority Critical patent/EP3587713B1/fr
Publication of EP3587713A1 publication Critical patent/EP3587713A1/fr
Application granted granted Critical
Publication of EP3587713C0 publication Critical patent/EP3587713C0/fr
Publication of EP3587713B1 publication Critical patent/EP3587713B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0004—Additional locks added to existing lock arrangements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0004—Additional locks added to existing lock arrangements
    • E05B63/0008—Mounted on the hinged side of the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0052—Locks mounted on the "frame" cooperating with means on the "wing"
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/001—Other devices specially designed for securing wings, e.g. with suction cups with bolts extending over a considerable extent, e.g. nearly along the whole length of at least one side of the wing
    • E05C19/002—Rotating about a longitudinal axis
    • 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
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0458—Leaf springs; Non-wound wire springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action

Definitions

  • the invention relates to a device for locking a pivotable wing element, a method for securing a wing element by means of this device, the use of the device for locking a wing element and the use of a leaf spring in a device for locking a wing element.
  • the present invention is applicable in the field of home security. Burglaries in houses have become common in many areas in recent years. They usually happen through windows or doors because they are often not adequately secured against being pried open and pushed in. There has been no shortage of attempts to increase the mechanical strength of windows and doors. In particular, this includes locking mechanisms in the frame, such as mushroom head locks, which are difficult or impossible to see from the outside. However, these are difficult to attach later without replacing the entire door or window.
  • DE 20 2016 001 589 describes a device in which a base plate is screwed into the window reveal, which has a groove into which a securing plate can be inserted for securing.
  • this fuse is limited by the fact that the fuse plate has to be inserted from the side each time the fuse is secured. To unlock, the safety plate must be pushed out of the groove on the side again. This device is therefore not suitable for frequent locking and unlocking.
  • This device has several disadvantages, including that the thickness of the snapper and its exclusive attachment to the reveal do not allow securing the underside and center, which is particularly exposed to attack, in the case of double-leaf windows and doors, and the axis of rotation of the wing element, which is neglected by almost all known locks. Furthermore, the geometry results in a necessary distance of the snapper from the window frame, which is why there is play between the window and the snapper, which allows intrusion tools to penetrate into the gap and thus reduces security.
  • the object of the present invention was to reduce or even avoid one or more of the disadvantages of the prior art.
  • the invention relates to a device for locking a wing element, which is pivotally mounted in a frame in a reveal of a window or a door, containing a base part with means for fastening the device either to the frame or the wing element or an inner side facing the wing element Reveal, on which the wing element can be pivoted away from the frame, a locking part movable with respect to the base part about an axis of rotation with a sliding surface and a component extending from the sliding surface in the direction of the base part with a locking surface facing away from the axis of rotation, the locking part opposite the Base part about the axis of rotation between a locking position, in which the locking surface is in a position farther from the base part, and an open position, in which the locking surface is in a position closer to the base part, and is rotatably mounted between the base part l and the locking part arranged spring, wherein the locking surface forms an angle of less than 90 degrees to the sliding surface on the side facing away from the base part.
  • Another object is a method for securing a wing element against burglary, in which a device with a base part and with a locking part with a locking surface and a sliding surface is attached to the frame of the wing element, in which the locking surface to the sliding surface on the side facing away from the base part forms an angle of less than 90 degrees.
  • Another object of the invention is the use of the device according to the invention for locking a wing element in its closed position.
  • the device according to the invention serves to increase the security against break-open of wing elements. This is done because the construction of the device means that the wing element to be secured is locked in the closed position.
  • the device according to the invention is also suitable as an additional security measure in addition to or in combination with conventional closure devices.
  • Wing elements are, for example, windows and doors. However, the requirements for different wing elements can vary depending on their function. This results in different embodiments of the invention, which are explained further below.
  • Wing elements are single-wing elements which are installed in a window frame in a wall opening and are pivotally mounted about at least one axis of rotation. Storage in the frame is usually done via hinges and fittings with which the wing element is attached to and in the associated frame.
  • the axis of rotation is vertical for swivel elements and horizontal for tilting elements.
  • Tilt & Turn hardware allows movement around either a vertical or a horizontal axis of rotation.
  • the invention is also suitable for securing double-leaf or multi-leaf doors and windows, provided that they are adjacent to one another. Several devices according to the invention can also be used to secure a single wing element.
  • Wing elements can be opened and closed by swiveling around the axis of rotation. They are in an open position in the open state and in a closed position in the closed state.
  • the closure is usually effected by bolts or / and locks.
  • Locking is the fixing of a component in a certain position.
  • a special locking is the fixing of a wing element in the frame on which it is pivotally attached.
  • the device according to the invention can be attached to all sides of the wing element, that is to say the sides in which the axis of rotation lies and those in which it is not.
  • the hinges and fittings on the side of the axis of rotation are included in the securing.
  • it can also (alone or in addition) be attached to the wing side on which the axis of rotation of the Wing element is located, i.e. the side of the hinges and fittings. This also enables the hinges and fittings to be secured.
  • the frame is the component in which the wing element is pivotally attached and which connects the wing element to the building. It also surrounds the wing element towards the reveal and is permanently installed in the wall.
  • the frame has dimensions that are higher and wider than the wing element, so that there is an intermediate space between the reveal and the wing element through which the frame is visible and accessible. It has proven to be expedient to mount the device according to the invention on one side on which the window frame has a width (between 1 and 4 cm, preferably between 1.5 and 3 cm, between the reveal) with a width (hereinafter referred to as open width) facing side of the wing element and the soffit is accessible so that the device can be installed in direct contact with the frame.
  • the minimum open width is determined by the width of the device according to the invention in the open position.
  • the open width must be so large that the wing element can still be swung over the device when the device is installed in the open position.
  • With a larger open width the space between the device according to the invention and the reveal can be filled by means of blocks in order to achieve a stable attachment.
  • the device has a height of 2 cm.
  • the space between the frame and window element should be at least as wide, about 2.5 cm. If the device according to the invention has a height of only 1 cm, less space is correspondingly required, as in the case of narrow conditions or small windows.
  • the reveal is the part of the building where and in which the wing elements are provided in their frame.
  • the reveal usually extends across the entire thickness of the building wall in which the window opening is located.
  • the part of the reveal that extends perpendicularly from the window frame towards the interior space extends over a width of between 5 and 30 cm in the building wall.
  • a special wing element is a window.
  • windows are suitable which can be pivoted into the interior of a building and can be opened there. Windows are used to ventilate the building and to let light into the building. They are not intended to leave the building through them or to enter the building through them. The possibility of having to open a window from the outside without destroying it is therefore usually not desired. However, it may be desirable to pull a window into the closed position from the outside.
  • the device according to the invention is preferably attached to the side on which there is a frame. Since doors are usually so high that you can walk through the door without bumping into them, the device could be so high that it can no longer be used by smaller people, such as children.
  • the device is preferably attached to the side of the door opposite the axis of rotation in the handle area, since experience has shown that this is also the area of attack by a burglar is because he can exert the greatest force on a door, but the device can still be operated by all users.
  • doors In contrast to windows, in which opening from the outside is generally not desired, doors must be able to be opened from two sides, i.e. from the outside and from the inside, but should still be secured against unauthorized access.
  • the fuse off DE 20 2016 000 198 is not usable for this case at all, which in the DE 20 2016 001 589 certainly not described. If the door is closed from the outside with the snapper attached inside, i.e. if the bolt is snapped upwards into the locking position by the spring force once the door has completely slid over, the door can no longer be opened from the other side without being destroyed.
  • the device according to the invention has at least three components, a base part, a locking part and a spring. Depending on the desired functionality, additional components can be added.
  • the base part serves to fix the device relative to the building and serves as a holder for the locking part.
  • the attachment of the base part is possible both on the window reveal and on the frame, but also on both.
  • the attachment to the frame is preferred in the sense of the invention, since then drilling the window sill is not necessary.
  • the base part can be as long as required or desired.
  • the length in relation to components, in particular the base part denotes the extent of the base part along the wing element, and the depth means an extent perpendicular to the wing element. A greater length results in increased security, since the wing element can be secured over a greater length. A shorter length provides less security because it may be easier to pry the wing member off at a point where the device is not.
  • the length is sensibly between 5 cm and 50 cm. Preferred lengths are 10 cm, 30 cm or 50 cm.
  • Height is the extent of a component that extends perpendicularly away from the reveal where the component is located.
  • the height of the device according to the invention therefore results from the height of the base part and the protruding height of the locking part. This can differ for the different functional states. It is lower in the open position than in the closed position. In the open position, it is preferably between 1 and 5 cm, particularly preferably between 2 and 4 cm, and is particularly favorable at approximately 2.5 cm. In the closed position, the height is at least as much greater than the extent to which the locking part protrudes into the movement profile of the wing element when pivoting. This is also related to the height of the restricted area.
  • the height of the device in the locked position is preferably between 0.5 cm and 2 cm, particularly preferably between 0.7 cm and 1.5 cm, greater than in the open position.
  • the base part even if it is not attached to the reveal, is preferably installed along the window reveal. Therefore, the base part has a contact surface, or at least a contact point, which directs the pressure caused by the break-in onto the locking part of the device via the base part against the reveal and is supported there, so that the device cannot be pushed away or levered out.
  • the base part therefore preferably has a depth of at least between 5 cm and 20 cm, preferably approximately 7 cm, along the reveal. For reasons of stability, it has proven useful if the contact surface extends over a depth of between 5 and 20 cm, preferably the entire depth, of the base part.
  • the base part preferred for attachment to the reveal Holes through which screws can be screwed into the reveal.
  • the base part Towards the window frame, the base part has a support strip perpendicular to the contact surface, which extends as far as possible over the entire length of the base part.
  • the support bar When installed, the support bar is in contact with the frame and can be used to attach the base part to the frame.
  • it preferably has holes for the passage of fastening means, such as screws, from the inside of the base part into the frame.
  • the width of the support strip must not be greater than the part of the frame exposed when the wing element is closed. This is usually between 1 and 5 cm wide.
  • the base part consists of a material that is as strong and unbreakable as possible, such as plastics or metals.
  • Metals have proven to be particularly suitable; Aluminum has proven to be particularly practical since it allows the outer shape of the base part to be easily manufactured by milling or extrusion.
  • the base part also has an element with which the locking part can be rotatably connected to the base part.
  • This can be part of a joint, for example.
  • the attachment point of the joint part divides the longer leg into a length ratio of the part facing the wing element to the part facing away from the wing element (measured from the axis of rotation) of between 8 to 1, preferably 5 to 1, and 1 to 2, preferably 1 to 1 ,
  • the locking part In its mechanically loaded parts, the locking part also consists of a material that is as strong and unbreakable as possible, such as plastics or metals.
  • Metals have proven to be particularly suitable; Aluminum has proven to be particularly practical, since it allows the outer shape to be easily manufactured by milling or extrusion.
  • the locking part serves to restrict the movement of the wing element so that the wing element cannot be opened.
  • it has a component on the side facing the wing element in the installed state with a blocking surface which prevents the wing element from moving beyond an end position.
  • the locking part has on its side facing away from the base part a sliding surface over which the wing element can slide into a closed position when the wing element is closed. In the locked position, this sliding surface has an angle of between 0.5 and 20 degrees measured from the hinge relative to the base part, so that the wing element presses the sliding surface against the base part as it moves from the open position, thus moving the locking part out of the locked position and above can pivot into the closed position.
  • the locking member is mounted on the base member such that the force expected to act on the locking surface of the locking member can be effectively dissipated to the base member without the locking member being moved beyond the locked position or destroyed.
  • This can be achieved, for example, by varying the depth of the locking part up to the attachment to the base part. For the purposes of the invention, this distance should be between 1 cm and 20 cm; a depth of between 3 cm and 10 cm is preferred. Another possibility of influencing is the angle of the force vector in relation to the horizontal in the end position. It should be between 0.5 and 20 degrees.
  • the length of the locking part is expediently based on the length of the base part, since it is optimal uniform power transmission from the locking surface to the base part can take place. It is therefore between 5 and 50 cm. Preferred lengths are 10 cm, 30 cm or 50 cm.
  • the locking part is movably attached to the base part, so that the locking part can be brought from an open position into a locked position by rotation about an axis of rotation. In the locked position, the movement of the wing element beyond the closed position is prevented.
  • the locking surface of the locking part touches the wing element, preferably on an outer edge of the window frame.
  • the open position the movement of the wing element beyond the closed position into the open position of the wing element is possible, since the locking surface is not in the movement profile of the wing element.
  • the locking part is attached to the base part according to the invention via a joint.
  • This joint allows the locking part to be tilted about an axis of rotation which runs parallel to the length of the locking surface of the locking part in the joint.
  • the joint preferably extends over more than 90%, particularly preferably between 95% and 100% of the length of the entire device. It has proven to be optimal if the joint extends over the entire length of the device, since then the power transmission is particularly uniform and the protective effect is optimal.
  • Any tilt joint is suitable as a joint.
  • Simple tilting joints are those in which both the base part and the locking part each have two holes in two interlocking U-profiles along the axis of rotation, through which a rod is guided and fixed therein. Such a joint is in the DE 20 2016 000 198 described.
  • Such tilting joints are preferred in which the force from the locking part can act on the base part over the entire length of the joint.
  • Such joints are joints that have a socket and a head.
  • the head consists of a cylindrical inner part and an outer pan. This encompasses this cylinder from the outside over an angle of more than 160 degrees, preferably between 190 and 330 degrees.
  • These joints can be built into the device in two ways. In a first embodiment, the cylindrical head is attached to the locking part and the pan to the base part. However, the head is preferably attached to the base part and the pan to the locking part. This enables embodiments in which the comprehensive part has a movement or locking or stop function in addition to the joint function. Particular embodiments of this joint are described below.
  • a stop is preferably provided either on the base part or on the locking part. Should both Locked as well as the open position, two stops are provided.
  • a stop that prevents further tilting can either be in the part of the device in which the blocking surface is located or in the other part of the device that projects beyond the axis of rotation.
  • a stop for limiting the opening position on the base part is particularly preferably in the part of the device in which the locking surface is also located, and the stop for limiting the locking position on the locking part in the part of the device beyond the axis of rotation.
  • this has an essentially L-shaped shape in lateral section, its shorter leg lying in the direction of the wing element carrying the locking surface and its longer leg lying in the direction of the axis of rotation carrying the sliding surface.
  • the extension of the longer leg beyond the joint allows the device according to the invention to be operated more easily.
  • the blocking part can be brought into the blocking position by pressure on the part of the longer leg facing away from the shorter leg, and thus the wing element.
  • the greater the length of this part the greater the leverage effect.
  • the stop for limiting the movement into the locked position is preferably also located there.
  • the blocking part can be brought in the direction of or into the open position by pressure on the part of the longer leg facing the wing element.
  • the sliding surface and a stop to limit the movement into the open position also lie on this part of the longer leg.
  • the dimensions of the legs in the locking part depend on the desired size of the device and the desired security.
  • a length of the shorter leg of between 0.5 cm and 3 cm, preferably between 0.6 cm and 2 cm, has proven to be particularly suitable and completely sufficient to achieve the purpose according to the invention.
  • the longer leg is preferably between 3 cm and 15 cm, preferably between 4 cm and 10 cm long.
  • the two legs of the L can be designed according to aesthetic and functional criteria.
  • the locking part has a component which projects from the axis of rotation beyond the sliding surface and away from the axis of rotation; in the case of an L-shaped component, this is the shorter leg of the L.
  • This component is able to absorb the pressure acting in the direction of the joint and to hold the locking part in the locking position.
  • This component has a locking surface facing away from the axis of rotation, which forms an angle of less than 90 degrees to the sliding surface on the side facing away from the base part.
  • the angle between the straight line extending perpendicularly from the axis of rotation and the tangent on the blocking surface with the plane spanned perpendicularly to the axis of rotation, in which the straight line starting from the axis of rotation lies, is smaller at the intersection of the straight line and the tangent on the side facing away from the base part than 90 degrees.
  • This angular condition preferably applies to a length of more than 5 mm on the intersection curve of the blocking surface with the plane spanned perpendicular to the axis of rotation.
  • This blocking surface preferably lies on the component in the direction of the base part.
  • the blocking area of the window snapper forms the DE 20 2016 000 198 a corresponding angle of more than 90 degrees, namely 90 degrees plus the setting angle of the locking part in the locked position, that is about 100 degrees.
  • the blocking surface preferably has a curved contour.
  • the locking surface is concavely curved relative to the axis of rotation.
  • a further advantageous embodiment results if the concave curvature is wider than the outer curvature of the edge of the wing element against which the blocking surface is directed.
  • the angle in the vicinity of the sliding surface is closer to 90 degrees than further away from the sliding surface.
  • This design has the advantage that, in the event of a break-in attempt in which the wing element moves, the locking part, supported by the spring force acting further in the direction of the locking position, moves even further toward the wing element and clamps it.
  • a special embodiment of the restricted area has a slightly parabolic slope. Together with the spring action, there is a permanent contact with the window. This allows the window to be optimally fixed in its closed position, so that the existing fitting has a supporting effect and is additionally supported by the device according to the invention.
  • the parabolic ramp has the purpose of creating an optimal wedge effect on its flat slope.
  • the steady increase in the slope is due to the fact that the locking could give way due to massive force in its screw connection or material and thus could push the device away from the window.
  • the steep climb at the end of the climb still provides reserves in the support and keeps the distance between the fitting and the window very small despite massive attacks from outside.
  • the dynamic locking is moved up and presses the window all the more firmly into the seals.
  • a side effect of the invention is the energy saving: if inventions mounted all around the window are brought into the locking position and the window sash is pressed against the frame in the tolerances of the elasticity of the seals near each lock, the locks slip and the seals are pressed more strongly and one stronger sealing against drafts. As a result, drafty windows can become a bit denser again and drafts can be avoided.
  • the device according to the invention supports the existing closures of the wing element and is not used as the last resort after their failure.
  • a stop pointing in the interior of the L can be provided in the form of a bar. This engages in a corresponding recess in the base part and serves as a stop when the maximum possible blocking position is reached.
  • the locking part is rotatably mounted about the axis of rotation relative to the base part.
  • This axis of rotation is preferably within the joint.
  • This storage allows the concentric movement of the locking surface from the open position to the locked position.
  • the axis of rotation extends along the length of the base part substantially parallel to the wing element in the end position. In the sense of the invention, the axis of rotation is as close as possible to the sliding surface of the locking part, since then the transmission of force from the locking surface to the base part is best. This distance is preferably between 0.3 and 2 cm, particularly preferably between 0.5 and 1 cm.
  • the device does not have a further axis of rotation between the locking part and the base part.
  • a spring is arranged between the base part and the locking part. The purpose of this is to bring the locking part into the possible positions by its spring force relative to the base part.
  • a leaf spring has proven to be particularly suitable. It differs from a spiral spring wound around the axis of rotation in that it is not concentric with the axis of rotation and its spring force does not only act at the ends of the spiral.
  • the leaf spring advantageously extends over between 10% and 100%, preferably between 15% and 90% of the length of the device, since this best distributes the forces that occur when the wing element is attempted to be broken open.
  • the leaf spring thus has a preferred length of between 5 and 50 cm and a preferred width of between 1 and 5 cm, particularly preferably between 1.5 and 4 cm.
  • a leaf spring is preferably made of metal, particularly preferably steel.
  • the spring constant in each of the static positions is so large that the locking part remains in this position, but not so large that the locking part can no longer be moved out of this position if desired.
  • the thickness of the material and the elasticity of the spring can be chosen so that the spring constant meets these conditions.
  • Such leaf springs are easy to manufacture and inexpensive to buy.
  • the spring force can also be increased by appropriate preload.
  • the spring force can also be adjusted by the length of the leaf spring or by providing several short leaf springs over the length of the device.
  • the use of a leaf spring in a device for locking a wing element is new and leads to a number of very advantageous designs of locking devices.
  • functions of the device can be controlled and set in a simple manner by means of a leaf spring, such as the function of being able to hold a locking element statically in more than one position, or providing applications of the device, such as the use of the same basic and locking parts in different situations Installation of the same leaf spring at different points of engagement of the device.
  • the locking part can be in at least two positions, a locking position and an open position.
  • the blocking position the blocking part prevents the movement with the help of the blocking surface, which in this position lies on the movement profile of the wing element of the window from the closed position prevents the opening of the wing element.
  • This position is defined by the geometry of the locking part and the base part and their precise installation, but can be optimized by adjusting these parts to each other.
  • the open position the wing element can be opened from the closed position, since the locking surface of the locking part does not lie on the movement profile of the wing element. This position can also be determined by adjustment.
  • the distance of the locking surface in the locking position from the wing element in the locking position is between 0 and 2 mm, preferably less than 1 mm, optimally 0 mm when correctly installed.
  • either the locked position or the open position or both can be designed as static positions.
  • a static position is a position of the locking part in which it can neither move independently from the open position into the locked position nor independently from the locked position into the open position.
  • the locking part can be moved actively, that is to say by intervening from the outside, into the locking position or the open position, for example by moving the locking part from one position to the other, for example by manual operation.
  • both the blocking position and the opening position of the blocking part are designed as static positions. This also distinguishes this embodiment of the device according to the invention from the snap lock DE 20 2016 000 198 , because in this the open position is not a static position, because the snapper always jumps back into the locked position due to the constantly acting spring tension.
  • the movement of the locking part from the open position into the locking position is achieved in that the locking part is rotated about the axis of rotation, so that the locking surface of the locking part comes to lie in the movement profile of the wing element.
  • the deflection of the locking part essentially perpendicular to the movement profile of the wing element at the height of the end position of the wing element is between 2 mm and 2 cm, preferably between 3 mm and 1 cm. In particular versions of the device, this deflection can be adjusted manually.
  • a particularly safe design results if the outer contour of the blocking surface can be moved on a path concentric to the axis of rotation, since the distance of the blocking surface from the wing element can then be kept very small.
  • a spring force acts on the locking part, which holds the locking part in the respective position.
  • the spring force is dimensioned such that it can be overcome by moving the wing element over the sliding surface, but after reaching the end position of the wing element ensures that the locking part is returned to the locked position.
  • a non-destructive reopening of the wing element from the closed position is no longer possible without unlocking, that is, without the locking part being brought out of the locked position.
  • the spring force is so great that the open position cannot be overcome without can be exited, for example, by pressure on that part of the locking part which faces away from the wing element and lies beyond the axis of rotation.
  • the blocking position as well as the opening position as static positions can be achieved in various ways.
  • a permanent spring force acts in the direction of the blocking position. This can be done by a spiral spring, as in DE 20 2016 00 198 described, but also by a leaf spring, the spring force of which is used for the constant spring spacing of the base part and the locking part.
  • the wing element In this first functional state, the wing element is permanently secured against opening in the direction of the device.
  • the open position In this case, the open position, in which the wing element can be opened by pivoting past the device, the spring must be tensioned. In this case, an additional locking is provided in the device in the open position, which prevents the locking part from being returned to the locking position by the spring force. After moving the locking part into the open position, the locking part is locked so that it remains in the open position.
  • Another possibility of locking is to provide a knurled screw through the locking part on the side of the locking part facing away from the wing element, which screw-in fixes the distance of the locking part from the base part. By lifting the catch or locking it is achieved that the locking part, driven by the restoring force of the spring, moves back independently into the locking position.
  • This version is particularly suitable for wing elements if they are only to be closed for a short time and securing them for this short time is not necessary or useful. This applies, for example, to maintenance work on the wing element.
  • the spring permanently pushes the locking part into the open position.
  • the wing element is not secured against opening in the direction of the device.
  • the locking part is locked in the locking position, so that the locking part cannot move back independently into the open position.
  • This can be done by providing a knurled screw, which can also extend through the locking part to a stop in the base part. However, this screw does not prevent the locking part from moving up when the window is jerked.
  • the additional knurled screw is useful for windows that are rarely opened and for long periods of absence.
  • a knurled screw is that the locking part can be individually adjusted to the correct height with respect to the casement using the thread of the knurled screw. Such an execution is in Figure 6 shown.
  • the knurled screw is advantageously removed when the additional locking is not required so that it does not come to rest in the movement profile of the wing element and interferes with sliding over the sliding surface.
  • lockable screws or screws with a lockable direction of rotation for example a knob screw M6
  • a knob screw M6 can be used in this embodiment, which again increases security.
  • the wing element is permanently against opening in the direction of Device secured. This version is particularly useful if the wing element is often to be opened and closed without a fuse and only occasionally a fuse is required.
  • the lock which holds the locking part in the open position
  • a latching mechanism such as a conventional link mechanism, into which the locking part of the open position snaps is suitable. After a locking point has been exceeded, the locking part is locked so that it remains in the open position. By pressing the locking part again, the catch can be released again, so that the locking part, driven by the restoring force of the spring, moves back into the locking position independently.
  • the same lock can also be used for the static holding of the locking part in the locking position, according to the first embodiment.
  • the locking part is sprung against the base part in the manner of a rocker.
  • This can be achieved by a leaf spring which is installed between the locking part and the base part such that there is an apex from which a movement of the locking part in one direction triggers a spring force in the direction of the locking position, while the movement in the opposite direction Triggers spring force in the direction of the open position.
  • the leaf spring is tensioned at this apex while it relaxes both in the direction of the open position and in the direction of the blocking position.
  • the apex lies somewhat outside the movement profile of the wing element in the direction of the base part, so that closing the wing element and thus (temporary) movement of the locking part in the open position does not move the locking part over the apex, so that a restoring force is still in Direction of the blocking position is present.
  • the static blocking position set in this embodiment the automatic locking of the wing element when the wing element is closed is ensured.
  • An additional locking of the locking part in the locking position is then not necessary because the locking part remains in the locking position by itself, but is possible for further securing.
  • the wing element can be closed over the sliding surface, but it cannot be opened beyond the end position.
  • the wing element In the second functional state, in which the locking part is pressed into the open position by the spring force, that is to say the locking part is in the static opening position, the wing element can be opened and closed without locking.
  • This version can be used if the wing element is only intended to be closed for a short time and security is not desired during this time.
  • the locking part can be brought back into the locking position simply by moving the locking part over the apex.
  • the leaf spring is stretched between the locking part and the base part such that one end engages near the joint on the locking part and the other end engages in the direction of the part of the base part close to the locking surface of the locking part.
  • the points of engagement determine whether the spring force acts in the direction of the blocking position or the opening position or whether there is an apex. It is important whether the leaf spring below or above the resultant of the force between the base part and the locking part is attached to the base part or the locking part.
  • the position of the point of engagement allows the resultant of the spring force to be determined, ie whether it pushes the locking part up or down, or whether it can do both. If it is a sharp-edged spring, in addition to the function of pressing the locking part into a static position and holding it there, it can also have the function of preventing the device from falling apart again after assembly.
  • a device according to the invention can be used for each of the above-mentioned embodiments if there are sufficient engagement points for the leaf spring in the locking and base parts.
  • the engagement points are preferably parallel grooves in the material of the locking and base part, which are at least as long as the length of the leaf spring, and are so wide and deep that the leaf spring is held in it so that it does not slip and does not accidentally moved from one groove to another, since a change in the position of the leaf spring can result in a change in the functional state of the device and thus inadvertent deactivation of the safety function can result. It is particularly simple if the grooves extend over the entire length of both the locking part and the base part.
  • the device according to the invention preferably has grooves both below and above the bisector between the locking position and the opening position on the base part and on the locking part.
  • the device in which the spring force, depending on the position of the locking part, acts both in the locking position and in the opening position, the device also has grooves in the vicinity of the bisector.
  • 3 to 5 engagement points for the leaf spring are provided on the base part and on the locking part.
  • the leaf spring is cast into the locking part and / or the base part during injection molding.
  • the leaf spring preferably extends over the entire length of the device.
  • this component is a knurled screw which, by screwing it into the locking or the base part and supporting it against the base or locking part, ensures that a certain distance is maintained and thus remains in a static position.
  • the defined static position can be set by screwing the knurled screw in or out.
  • This additional locking of the locking part in one of its positions can be done by conventional bolts. These can be located anywhere in the device, for example in the joint, but also on the frame or in the reveal. A locking mechanism that can be released again by pressing a button is particularly preferred here.
  • this button is positioned in a location that is difficult to access from the outside or is unlikely to be guessed, it is almost impossible from the point of view of a burglar to find and operate this additional lock, possibly together with moving the locking part into the open position. This is particularly useful for snapping into the locked position.
  • a lock Another version of a lock is a lock, by which the locking of the locked position is secured. With the help of the lock, the unauthorized unlocking of the lock can be prevented or at least made more difficult.
  • a lock is preferably located in the joint and is a pressure lock, as is known in glass showcases.
  • the head and pan In order to accommodate the lock in the head of the joint, the head and pan must be slightly larger, but this is not a disadvantage in view of the greater stability, but rather a further advantage.
  • the small locking cylinder In the open position, the small locking cylinder protrudes; if you want to lock it, you push it into the housing and it clicks into place. The push button can be unlocked again by turning it with a key so that the pressure cylinder moves out again.
  • Locking in the open position is also very advantageous if more than one device for securing a wing element is to be used. Then, even when the installation locations are far apart, both devices can be conveniently unlocked by first locking one of the devices, which is a device according to the invention, in the static opening position and then the other, which is also a conventional securing device (like one after) DE 20 2016 000 198 ) can be, but is preferably also a device according to the invention is unlocked. It is preferred to use different devices according to the invention To combine designs with one another, for example a device of the third design with a vertex with a device of the first design, in which the locking part is permanently held in the locked position by the spring.
  • the first device can first be unlocked and brought into the functional state of the open position, and then the second device can be briefly brought into the open position while the wing element is being opened.
  • Such a construction is easy to use for the user who knows the system, but it is practically impossible for a burglar to overcome the system, since he cannot see from the outside where the fuses are and which of them which of the above versions is set.
  • the lock can also be hidden by the shape of the locking part, for example a curved outer contour.
  • a special embodiment of a lock consists in that the component with which the locking is effected is also used for the active movement of the locking part from the locking or opening position into the opening or locking position. So that this can happen, this component engages either the locking part or the base part or both parts and changes their relative position by movement.
  • the locking part can be moved from the locked position into the open position and vice versa by screwing the knurled screw in or out. Such an execution is in Figure 3 shown.
  • the aim of the present invention is to significantly increase the security against break-in of almost all inward opening wing elements, such as windows and balcony doors, and to make the intrusion of unauthorized persons considerably more difficult, if not to prevent it.
  • the installation position of the device above the window or the balcony door can prevent and make it difficult for children to open it.
  • the invention can successfully protect above and below.
  • the installation position below is particularly advantageous because burglars can naturally provide the greatest strength by supporting them with their body weight.
  • the invention can also be used in the lower position and prevents quick success with a heavy burglary device. When using a device below and above the sash element, the window or door can practically no longer be levered out.
  • Double-leaf windows can be secured together using a single device according to the invention if the device extends over parts of both wing elements.
  • the invention is particularly well suited for securing wing elements that open inwards.
  • the device is attached to either the reveal or the frame on the inside.
  • the invention can also be used to secure wing elements that are opened to the outside.
  • the device according to the invention is not attached to the reveal or the frame, but from the inside to the wing element.
  • Figure 1 schematically shows the possible positions for the attachment of a device (1) according to the invention using the example of a frequently occurring variant of the window, in which a balcony door and a window are coupled to one another, as is typically the case with balcony doors. These options can be used alone or in combination.
  • the devices (1) secure the wing element (22), that is to say the window or the balcony door, from opening inwards. Hinges (24) and casement frames (23) are also shown. The devices are only indicated as black bars.
  • Figure 2 Device (1) according to the invention is shown schematically installed on the frame (23) both above a window sill below and on the side of the hinges / hinges (24) and above on a double-leaf window (22).
  • the devices at the top and bottom secure both windows at the same time.
  • FIG 3 shows schematically a side view of a device (1) according to the invention, in which a leaf spring (19) presses the locking part (13) into the open position, so that the wing element (22) is not prevented from opening by the locking surface (14).
  • the locking surface (14) is located on the shorter leg (15) of the locking part (13).
  • the longer leg (16) of the locking part (13) is in the lower stop (29) of the base part (2), so that the sliding surface (17) does not lie on the movement profile of the sash frame (23) of the sash element (22).
  • the base part (2) of the device (1) is fastened to the frame (5) by means of a screw (26, not shown) through a hole (21) through the support strip (4), so that the support surface (3) along the reveal ( 6) comes to rest.
  • the leaf spring (19) is in the point of engagement (8) in the direction of the wing element (22) on the base part (2) on or above the resultant (25) and in the vicinity of the joint (10) below the resultant (25) in one the grooves (20) of the locking part (13), namely the engagement point (18), fixed, whereby the locking part (13) remains statically in the open position.
  • the joint (10) is formed by the joint socket (11) and the joint head (12).
  • the axis of rotation (9) lies in the center of the joint (10).
  • Figure 4 shows schematically a side view of the device (1) according to the invention Figure 3 , in which a leaf spring (19) presses the locking part (13) into the locking position, so that the wing element (22) is prevented from leaving the locking position by the locking surface (14).
  • the locking surface (14) is located on the shorter leg (15) of the locking part (13).
  • the longer leg (16) of the locking part (13) is in the upper stop, so that the sliding surface (17) lies on the movement profile of the sash frame (23) of the sash element (22).
  • the leaf spring (19) is in the engagement point (8) in the vicinity of the joint (10) on the base part (2) on or below the resultant (25) and in the vicinity of the wing element (22) above the resultant (25) in one of the grooves (20), namely the point of engagement (18) fixed.
  • a stop (28) On the shorter part of the longer leg of the locking part there is a stop (28) which prevents the locking part from moving beyond the locking position.
  • Figure 5 are the individual components of the variant of the device Figure 3 can be seen, including a knurled screw (30) for securing in the locked position through the thread (31).
  • Figure 6 shows schematically a side view of a device (1) according to the invention Figure 4 , but in which a leaf spring (19) presses the locking part (13) into the locking position, so that the wing element (22) is prevented by the blocking surface (14) from opening further than the end position of the current position of the blocking surface (14).
  • the locking part is fixed statically by the knurled screw (30) screwed into the thread (31).
  • FIG 7 shows schematically an enlargement of the device (1) according to the invention Figure 3 , in which a leaf spring (19) presses the locking part (13) into the open position.
  • the leaf spring (19) is fixed in the vicinity of the joint (10) on the locking part (13) below the resultant (25) and in the vicinity of the wing element above the resultant (25) in the engagement point (8).
  • the knurled screw (31) holds the locking part in the locked position.
  • FIG 8 shows schematically a side view of the device (1) according to the invention in a state in which the spring (19) presses the locking part (13) from the apex position, ie between the open and the locked position, either into the locked position or the open position.
  • the leaf spring (19) is fixed both in the vicinity of the joint (10) on the locking part (13) and in the vicinity of the wing element (22) on the resultant (25) in one of the grooves (20).
  • the locking part (13) of the device (1) according to the invention is fixed in the locking position with an additional locking device, in this case the knurled screw.
  • Figure 9 shows explicitly the angle (32) with which the locking surface (14) is concavely bent relative to the casement. This angle is smaller than an angle than 90 °. In the direction of the end of the shorter leg of the locking part, this angle decreases even more.
  • the tensioning effect via the spring (19) or even more effectively through the knurled screw (30) causes the wedging against the window frame (23). Due to the shape of the blocking surface, the pressure acting thereon when the wing element is broken open can be absorbed very efficiently.
  • a leaf spring presses the locking part permanently in the direction of the locking position. To lock in the locking position, the knurled screw is turned through a thread in the locking part onto the stop in the base part.
  • FIG 10 A device (1) according to the invention is shown in a 3D view with the blocking part (13) in the stop (28).
  • the stop (29) of the base part (2) in the open position is not used.
  • the spring (19) presses the locking part into the locking position, but can push the locking part into the open position after the apex has been exceeded.
  • the device according to the invention can be sold in specialist shops for security technology, in DIY stores or on the Internet. Installation to secure sash elements is possible either by window fitters or skilled do-it-yourselfers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
EP18180994.8A 2018-06-29 2018-06-29 Systeme de blocage Active EP3587713B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18180994.8A EP3587713B1 (fr) 2018-06-29 2018-06-29 Systeme de blocage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18180994.8A EP3587713B1 (fr) 2018-06-29 2018-06-29 Systeme de blocage

Publications (3)

Publication Number Publication Date
EP3587713A1 true EP3587713A1 (fr) 2020-01-01
EP3587713C0 EP3587713C0 (fr) 2023-06-07
EP3587713B1 EP3587713B1 (fr) 2023-06-07

Family

ID=62841882

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18180994.8A Active EP3587713B1 (fr) 2018-06-29 2018-06-29 Systeme de blocage

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Country Link
EP (1) EP3587713B1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2056394B1 (de) * 1970-10-28 1972-05-25 Metallbau Koller Ag, Muttenz (Schweiz) Verschluß für Fenster , Türen od.dgl
GB2153903A (en) * 1984-02-11 1985-08-29 Duskhurst Limited Fastening means
DE3447796A1 (de) * 1984-12-29 1986-07-10 Oskar D. Biffar Gmbh + Co Kg, 6732 Edenkoben Vorrichtung zum sicheren verschliessen von haustueren
FR2622243A1 (fr) * 1987-10-26 1989-04-28 Reseco Luken Daniele Dispositif de fermeture de securite pour portes d'entree ou coulissantes, rideaux ou volets roulants
US5149154A (en) * 1992-01-27 1992-09-22 Ideal Security Inc. Door latch
US20130000205A1 (en) * 2011-06-28 2013-01-03 Daz Raz Ltd. Arrangement for securing a panel closure
DE202016000198U1 (de) 2016-01-11 2016-02-15 Detlev Sommer Schnappriegel für Fenster und Türen
DE202016001589U1 (de) 2016-03-10 2016-06-28 Manfred Löffler Tür oder Fenstersicherung / Einbruch - Aufhebel Sicherung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2161542A (en) * 1938-05-10 1939-06-06 Harry W Titus Door holder or latch

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2056394B1 (de) * 1970-10-28 1972-05-25 Metallbau Koller Ag, Muttenz (Schweiz) Verschluß für Fenster , Türen od.dgl
GB2153903A (en) * 1984-02-11 1985-08-29 Duskhurst Limited Fastening means
DE3447796A1 (de) * 1984-12-29 1986-07-10 Oskar D. Biffar Gmbh + Co Kg, 6732 Edenkoben Vorrichtung zum sicheren verschliessen von haustueren
FR2622243A1 (fr) * 1987-10-26 1989-04-28 Reseco Luken Daniele Dispositif de fermeture de securite pour portes d'entree ou coulissantes, rideaux ou volets roulants
US5149154A (en) * 1992-01-27 1992-09-22 Ideal Security Inc. Door latch
US20130000205A1 (en) * 2011-06-28 2013-01-03 Daz Raz Ltd. Arrangement for securing a panel closure
DE202016000198U1 (de) 2016-01-11 2016-02-15 Detlev Sommer Schnappriegel für Fenster und Türen
DE202016001589U1 (de) 2016-03-10 2016-06-28 Manfred Löffler Tür oder Fenstersicherung / Einbruch - Aufhebel Sicherung

Also Published As

Publication number Publication date
EP3587713C0 (fr) 2023-06-07
EP3587713B1 (fr) 2023-06-07

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