EP4098830A1 - Ancre mural - Google Patents

Ancre mural Download PDF

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Publication number
EP4098830A1
EP4098830A1 EP22175994.7A EP22175994A EP4098830A1 EP 4098830 A1 EP4098830 A1 EP 4098830A1 EP 22175994 A EP22175994 A EP 22175994A EP 4098830 A1 EP4098830 A1 EP 4098830A1
Authority
EP
European Patent Office
Prior art keywords
housing
driver
bolt
wall anchor
closing end
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
EP22175994.7A
Other languages
German (de)
English (en)
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.)
ABUS August Bremicker Soehne KG
Original Assignee
ABUS August Bremicker Soehne KG
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 ABUS August Bremicker Soehne KG filed Critical ABUS August Bremicker Soehne KG
Publication of EP4098830A1 publication Critical patent/EP4098830A1/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
    • E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
    • E05B73/0005—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices using chains, cables or the like

Definitions

  • the invention relates to a wall anchor for securing movable objects to a wall, in particular to a building wall.
  • Such wall anchors are intended to form an attachment point for fastening the movable object in a place where there is otherwise no opportunity to securely protect the object from theft, for example in a garage, in a bicycle cellar or on an outer wall of a building.
  • wall anchors merely provide such a point of attachment, while locking is by means of a separate and functionally independent lock from the wall anchor which couples the moveable object to the wall anchor.
  • the use of the wall anchor to fasten an object therefore always requires an additional lock.
  • the wall anchor can be mounted on the wall using fastening screws and dowels.
  • fastening screws and dowels it must be ensured that the fastening screws cannot simply be unscrewed from the wall.
  • a common way to ensure that the wall anchor does not easily detach from the wall is to attach the wall anchor to the wall in an essentially irreversible manner. This can be done, for example, by making the tool engagement of the fastening screws unusable after they have been screwed in.
  • a steel ball can be driven into a tool engagement designed as a hexagon socket of a respective fastening screw, which blocks the hexagon socket and/or deforms it in such a way that even after the ball has been removed, a hexagon wrench no longer grips.
  • a tool engagement designed as a hexagon socket of a respective fastening screw, which blocks the hexagon socket and/or deforms it in such a way that even after the ball has been removed, a hexagon wrench no longer grips.
  • the wall anchor can also be easily detached from the wall after installation, as long as the security of the tightening is not impaired as a result.
  • the wall anchor according to the invention is used to secure movable objects on a wall, in particular a building wall, and includes a locking mechanism and a housing which is designed for attachment to the wall and surrounds the locking mechanism.
  • the housing has at least one insertion opening through which a closing end of an associated flexible securing part can be inserted into the housing, with the locking mechanism being designed to lock the closing end inserted into the housing.
  • Said flexible securing part can in particular be a chain, a cable, an arrangement of successive articulated rods connected to one another in an articulated manner or any other elongate securing part which is suitable for securing the movable object to be secured with to connect to the wall anchor.
  • the object can be a bicycle, for example.
  • those securing parts that are also used in bicycle locks are particularly suitable for the flexible securing part.
  • the closing end can be one of the two ends of a longitudinal extension of the respective securing part, which does not necessarily have to be designed in a special way.
  • the closing end can simply be formed by the first or the last chain link of the link chain.
  • the closing end can also be designed in a special way, in particular with regard to interaction with the locking mechanism, for example as a block, which can have a special engagement structure for locking.
  • the end of the securing part opposite the closing end can in principle also be designed as a closing end, so that the securing part has a first closing end and a second closing end.
  • the first closing end and the second closing end are preferably designed to correspond to one another, so that one or the other end can be inserted through the insertion opening into the housing and locked therein.
  • the securing part can also have only one closing end.
  • the other end of the securing part is then advantageously designed for attachment to the object.
  • the other end can have an eyelet through which the closing end can be passed, so that the securing part forms a loop with which the object can be gripped and/or passed through. It is also conceivable that the other end is permanently attached to the object to be secured.
  • the securing part is associated with the wall anchor in that the wall anchor and the securing part are configured relative to one another such that the closing end of the securing part can be inserted through the insertion opening into the housing of the wall anchor and then, once inserted into the housing, can be locked by means of the locking mechanism .
  • several, possibly different, securing parts can be used with the same wall anchor, in particular if they have corresponding closing ends.
  • a wall anchor and a safety part assigned to it can also form a unit.
  • the invention also relates to a safety device which comprises a wall anchor according to the invention and the safety part assigned to it.
  • the wall anchor can be mounted on the wall as a whole.
  • the housing not only serves to delimit the wall anchor on the outside and to cover the elements of the wall anchor accommodated in the housing and to protect them from unauthorized access, but also to fasten the wall anchor.
  • the locking mechanism is accommodated in the housing, by means of which the closing end can be locked when it is inserted into the housing. Because the housing encloses the locking mechanism, the locking mechanism is protected against manipulation from the outside.
  • the insertion opening formed in the housing is preferably designed and arranged in such a way that the locking mechanism is not accessible through the insertion opening at least when the closing end is inserted into the housing through the insertion opening.
  • the insertion opening can in particular be designed in the manner of a blind alley.
  • the wall anchor is preferably designed to Closing can only be inserted up to a limited depth through the insertion opening in the housing of the wall anchor.
  • the closing end cannot be guided through the insertion opening into the housing and out of the housing at another point.
  • the locking mechanism makes it possible to lock the closing end inserted into the housing, i. H. to lock against removal from the housing.
  • the closing end can only be moved out of the housing again through the insertion opening, through which it was inserted into the housing, and thus released from the wall anchor, once the locking has been released again.
  • the locking interaction of the locking mechanism with the closing end preferably takes place entirely within the housing in order to make breaking the lock as difficult as possible.
  • the wall anchor according to the invention has properties of a lock itself due to the provision of the locking mechanism. As a result, a separate lock no longer needs to be provided in order to secure an object using the wall anchor. All that is required for securing is a flexible securing part assigned to the wall anchor. This can be stored in the area of the wall anchor, for example by locking the closing end to the wall anchor even when no object is being secured. In addition, it can be provided that the end of the securing part opposite the closing end can also be connected to the wall anchor. It is also conceivable that the opposite end is permanently connected to the wall anchor.
  • the housing has a base plate which can be fastened to the wall by means of several fastening screws the housing has a hood adapted in a closed position to cover the fastening screws, and the hood being secured against detachment from the base plate when the closing end of the associated flexible securing part is inserted and locked into the housing, namely in particular precisely by the closing end of the associated flexible securing part being inserted into the housing.
  • the closing end In order to secure the hood on the base plate, it can already be sufficient for the closing end to be inserted into the housing through the insertion opening. However, the locking of the closing end ensures that the closing end must first be unlocked in order to release the hood from the base plate. In this way, the same locking mechanism can be used not only to secure the closing end to the wall anchor, but also to secure the hood to the base plate.
  • the base plate For fastening the base plate to the wall by means of the fastening screws, the base plate can have corresponding bores through which the fastening screws can be screwed into the wall.
  • the base plate can form a rear wall of the wall anchor. Provision can be made here for the base plate to be attached directly to the respective wall in contact with the latter. In principle, however, other elements can also be arranged in between.
  • the wall anchor can comprise a protective plate, which is arranged between the base plate and the wall and can extend beyond the base plate, in particular in the direction from which the closing end of the securing part is inserted into the insertion opening, in order to protect the wall in this area to protect against contamination or damage, in particular by the safety part.
  • the hood of the housing can be coupled to the base plate and, when the wall anchor is installed, coupled in such a way that it is separated from the wall anchor Base plate is held. This corresponds to the closed position mentioned. In this position, the hood covers the fixing screws that attach the base plate to the wall. In this way, as long as the hood is in the closed position, the fastening screws are not accessible, so that the fastening of the base plate to the wall, which is essentially reversible, cannot be undone. To do this, the hood would first have to be removed from the base plate. However, it is secured against this when the closing end of the securing part is inserted into the housing and locked, specifically in particular precisely because the closing end of the securing part is inserted into the housing and locked.
  • the wall anchor does not have to be attached to the wall in an irreversible manner or in a manner that has been made irreversible. Rather, fastening screws can be used, which in principle can also be unscrewed from the wall again, but which are not accessible from the outside when the wall anchor is in the installed state. Access to the mounting screws can be gained by removing the hood. However, detaching the hood from the base plate is only possible as long as the closing end of the securing part is not inserted into the housing. Thus, whenever an object is secured to the wall anchor via the securing part, access to the fastening screws through the hood is reliably prevented. In this way, the fastening of the wall anchor can in principle be reversible, without the safety of securing the object being impaired as a result.
  • the hood can be coupled to the base plate and brought into the closed position due to a plug-and-turn connection, ie a connection brought about by a plug-in movement and a subsequent rotary movement.
  • the plug-and-turn connection is preferably reversible, so that the hood can be moved in the opposite direction can be brought out of the closed position and can be detached again from the base plate.
  • a plug-and-turn connection can be designed, for example, in the manner of a bayonet lock.
  • the hood can be connected to the base plate in particular by first moving the hood along an axis towards the base plate (insertion movement) and then rotating it relative to the base plate, in particular about this axis, into its closed position (rotational movement).
  • Said axis, along which the plug-in movement takes place, is preferably aligned perpendicular to the plane of the base plate.
  • the axis can also have a different orientation, in particular it can also be parallel to the plane of the base plate.
  • the hood can have coupling sections which, during the plugging movement, are plugged into corresponding coupling receptacles formed on the base plate.
  • the coupling sections of the hood then engage behind coupling sections of the base plate, which each adjoin a respective one of the coupling receptacles in the direction of rotation.
  • the hood is positively connected to the base plate in its closed position with respect to a direction opposite to the direction of the plug-in movement, so that the hood must first be rotated from the closed position into an open position by an opening rotary movement before it can be rotated in this direction the base plate can be moved away again.
  • detaching the hood from the base plate can therefore presuppose that the plug-in movement and the rotary movement have to be carried out in the reverse order and in the reverse respective direction of movement.
  • the hood is designed (as explained above) by an opening rotary movement from the closed position to be placed in an open position and further adapted to be locked against opening pivotal movement by the closing end of the associated flexible securing member being inserted into the housing.
  • the closing end is inserted into the housing, the cover is automatically secured to the base plate, so that access to the fastening screws by loosening the cover is always not possible when the securing part is connected to the wall anchor, and thus especially not when an object is secured to the wall anchor by means of the securing part.
  • the hood can also be connected due to a plug-and-slide connection, d. H. a connection, which is brought about by a plugging movement and a subsequent sliding movement, can be coupled to the base plate and brought into the closed position.
  • the plug-and-slide connection is also preferably reversible, so that the hood can be brought out of the closed position by an opposite sequence of movements and can be released again from the base plate.
  • the plug-and-slide connection as to the plug-and-turn connection, with the difference that the plug-in movement, in which the hood is moved toward the base plate along an axis that is preferably perpendicular to the plane of the base plate, does not Rotary movement follows, but a sliding movement in which the hood is transverse, in particular perpendicular, this axis is moved relative to the base plate. Due to the plug-in movement, coupling sections formed on the hood can be plugged into coupling receptacles formed on the base plate.
  • the coupling section of the hood engages behind coupling sections of the base plate, each of which adjoins a respective one of the coupling receptacles in the sliding direction, so that the hood in the closed position is positively connected to the base plate with respect to a direction opposite to the direction of the plug-in movement.
  • the hood may be adapted to be brought from the closed position to an open position by an opening sliding movement, in which it can be removed from the base plate by a movement opposite to said plugging movement, and further adapted to be moved by the closing end of the associated flexible securing part inserted into the housing to be locked against the opening sliding movement so that it can be detached from the base plate only when no closing end is inserted into the housing.
  • the hood is designed to be blocked by the closing end of the associated flexible securing part inserted into the housing against the opening rotary movement or against the opening sliding movement does not rule out the hood being additionally locked in the closed position against the opening rotary movement or against the opening sliding movement.
  • the locking screw can be accessible from the outside and connect the hood, for example, directly to the base plate.
  • An externally accessible locking screw does not necessarily increase the security of the fastening screws against unauthorized access, but can be useful to ensure that the hood is not accidentally, especially when inserting the closing end into the insertion opening or removing the closing end from the insertion opening, in the open position is shifted and can detach from the base plate.
  • the locking mechanism has at least one bolt which is between a locking position and an unlocking position, wherein the bolt is designed to lock the inserted into the housing closing end of the associated flexible security part in the locking position, ie to block against removal from the housing, and in the unlocked position the inserted into the housing closing end for to enable removal from the housing, and wherein the locking mechanism has an adjustable driver with at least one blocking section which is designed to block the latch in the locking position of the driver in a blocking position.
  • the latch preferably interacts directly with the closing end of the securing part.
  • the bolt can engage in a receptacle of the closing end, reach through a through-opening of the closing end, or engage behind another engagement structure of the closing end.
  • the bolt can be designed in particular in the form of a hook.
  • a closing end designed as a catch can have, for example, an annular groove or a diameter reduction as an engagement structure.
  • the bolt can in particular have a forked end with which it engages in the annular groove or the diameter reduction and/or engages behind it.
  • the latch is movable between said locked position and said unlocked position.
  • this basic mobility can be restricted depending on the respective closed state of the wall anchor.
  • it can depend on the position of the driver, whose blocking section is designed (for example by being arranged and shaped accordingly) so that when the driver is in the blocking position, it blocks the bolt in its locking position, i.e. against movement in the unlocked position blocks.
  • the driver is preferably designed such that the blocking section forces the bolt into the locking position when the driver is moved into the blocking position, provided it is not already in the locking position.
  • the driver can be designed in one piece or also in several parts. If the driver is designed in several parts, there is preferably a clear drive connection between the different parts of the driver.
  • the blocking section can be designed, for example, in the manner of a cam on the driver.
  • the locking mechanism can include a profile cylinder, preferably a half cylinder, according to DIN 18252:2018-05 and the driver can be designed as part of this profile cylinder.
  • the blocking section can then be formed by the locking bit (also referred to as locking nose) of the profile cylinder.
  • the driver can be formed separately from the lock bit and coupled to the lock bit in such a way that it can be adjusted by adjusting the lock bit.
  • the driver can be adjustable in particular insofar as it can be moved by a user of the wall anchor on the one hand into the blocking position and on the other hand out of the blocking position into at least one release position which is different from the blocking position, in which the blocking section releases the bolt for movement into its unlocked position.
  • the adjustability of the driver can, in particular, correspond to the ability of the driver to rotate about an axis of rotation.
  • the blocking section of the driver can be arranged in such a way that it moves on a circular path around the axis of rotation of the driver when the driver is adjusted.
  • the blocking section preferably protrudes radially from the driver with respect to the axis of rotation.
  • the bolt can be moved between the locked position and the unlocked position by shifting, by turning, by superimposing a shifting and a turning or by a specific sequence of such movements.
  • the mobility of the bolt between the locking position and the unlocking position preferably has only one degree of freedom.
  • the bolt can be pivoted about a pivot axis between the locking position and the unlocking position.
  • the above-mentioned mobility of the bolt is therefore a pivotability about the above-mentioned pivot axis.
  • Such mobility of the bolt can contribute to a particularly compact design of the wall anchor.
  • the bolt is biased in the direction of the unlocked position.
  • a bias has the consequence that the latch, as soon as it is released for movement into its unlocked position, in particular is neither urged nor held in its locked position, automatically assumes its unlocked position.
  • This can be expedient in order to release the closing end of the securing part immediately when the driver is moved out of its blocking position, in particular without the bolt having to be moved into its unlocked position by a separate actuation for this purpose.
  • the bolt has a retaining section which is designed to hold the closing end inserted into the housing when the bolt is in the locking position to engage behind in such a way that the bolt is held by the closing end against its bias in the locking position.
  • the bolt can still be in the locking position for the time being, despite the pretension in the unlocking position, because its retaining section engages behind the closing end stay. Only when the rear grip is released does the bolt move into the unlocked position due to the pretension and thus release the closing end.
  • the gripping from behind can be solved, for example, in that the closing end is offset, in particular raised, by hand relative to the bolt. In this way it can be ensured that a user holds the closing end in his hand when the bolt moves from the locking position to the unlocking position, so that the closing end cannot fall down in an uncontrolled manner.
  • the retaining section can in particular be formed by a section of the bolt which protrudes from an engagement section of the bolt, with which the bolt engages lockingly into the closing end or at the closing end of the securing part or engages behind it, in a direction which is at least essentially perpendicular to the direction of movement of the engagement portion is aligned upon movement of the bolt between its locked position and its unlocked position.
  • the retaining section can protrude from the engagement section in particular in a radial direction with respect to the pivot axis (radially away from the pivot axis or, preferably, radially towards the pivot axis).
  • the bolt is pretensioned in the direction of the unlocked position
  • the bolt is pretensioned in the direction of the locking position.
  • the bolt can thereby automatically move to the locked position as long as it is not held in the unlocked position or urged into the unlocked position. Moving the bolt into the unlocked position counteracts the preload and must therefore be active.
  • the driver can be designed to urge or hold the bolt in its unlocked position, depending on its position, against its bias, for example by means of the blocking section or an additional drive section.
  • the bolt can thus be designed in the manner of a door latch which automatically secures the closing end as soon as it is inserted into the housing through the insertion opening.
  • the closing end can already be locked to the wall anchor as a result.
  • the bolt can also be additionally blocked in its locking position, in particular by means of the blocking section of the driver in its blocking position.
  • the bolt can also be designed so that it can be pushed out of the locking position into the unlocking position by the locking end when it is inserted into the insertion opening.
  • the bolt to release the closing end, the bolt must be actively moved from its locked position into its unlocked position, in particular by means of the driver.
  • the driver can preferably only be adjusted by a user of the wall anchor if he has a secret code. This can in particular be a key assigned to the wall anchor or its locking mechanism.
  • the locking mechanism has a lock cylinder or an electric actuator, by means of which the driver can be adjusted.
  • the lock cylinder or the actuator can be coupled to the driver in a drive-effective manner for this purpose.
  • Preferably consists a clear connection between a respective position or a respective state of the lock cylinder or the actuator and the respective position of the driver.
  • the driver can be coupled to rotate together with a cylinder core of the lock cylinder.
  • the driver and the cylinder core can be arranged coaxially to one another and directly coupled to one another.
  • the lock cylinder can be designed in a manner known per se, in particular comprising a cylinder housing and a cylinder core which is fundamentally rotatably mounted in the cylinder housing and which is locked against rotation by tumblers as long as the tumblers are not in an arrangement releasing the cylinder core by a key assigned to the lock cylinder be transferred.
  • the lock cylinder can have pin tumblers, for example.
  • the lock cylinder preferably has disc tumblers that offer a comparatively high degree of security with a comparatively small installation space.
  • both ends of the flexible securing part assigned to the wall anchor are each designed as a closing end that can be locked on the wall anchor, it can not only be provided that one or the other closing end can be optionally inserted through the insertion opening into the housing of the wall anchor and then locked, but can alternatively or additionally be provided that both locking ends can be locked to the wall anchor at the same time.
  • the housing has a first insertion opening and a second insertion opening, through which a first closing end of the associated flexible securing part and a second closing end of the same or of another flexible securing part associated with the wall anchor can be inserted into the housing
  • the locking mechanism has a first latch and a second latch
  • the adjustable driver has a first blocking section and a second blocking section, and wherein in the blocking position of the driver the first blocking section blocks the first bolt in its locking position and the second blocking section blocks the second bolt in its locking position.
  • the first insertion opening and the second insertion opening, the first closing end and the second closing end, the first latch and the second latch as well as the first blocking section and the second blocking section can each refer in particular to one of the above for the insertion opening, the closing end, the latch or the Be formed blocking section described ways.
  • both the first bolt and the second bolt can each be moved between a locking position and an unlocking position, with the first bolt being designed in its locking position to lock the respective closing end inserted through the first insertion opening into the housing and in its unlocked position for to release removal from the housing, and the second latch is designed to lock the respective closing end inserted through the second insertion opening into the housing in its locking position and to release it in its unlocking position for removal from the housing.
  • first closing end can be inserted into the housing through the first insertion opening and the second closing end can be inserted into the housing through the second insertion opening.
  • both the first closing end and the second closing end can each be selectively inserted into the housing through the first insertion opening or through the second insertion opening, so that the wall anchor is not restricted to which closing end must be inserted through which insertion opening into the housing in order to then to be locked in the housing.
  • first closing end and the second closing end may be formed at opposite ends of the same securing part.
  • first closing end and the second closing end can also be formed on different securing parts, so that two independent securing parts can be connected to the wall anchor at the same time.
  • the two securing parts preferably have an eyelet at their end opposite the respective closing end, through which the respective closing end can be passed, so that the securing part forms a loop with which the object can be gripped and/or passed through.
  • the first blocking section is designed in particular to block the first bolt in its locking position when the driver is in the blocking position
  • the second blocking section is designed in particular to block the second bolt in its locking position when the driver is in the blocking position.
  • the first blocking section and the second blocking section are adjusted together when the driver is adjusted.
  • the first blocking section and the second blocking section can also execute different adjustment movements when the driver is adjusted.
  • the first bar and the second bar are preferably designed to be structurally identical to one another. This simplifies the manufacture of the wall anchor.
  • the driver In its blocking position, the driver blocks both bolts in their respective locking position by means of a respective blocking section.
  • the driver By moving the driver out of the blocking position, for example via the lock cylinder mentioned or the electric actuator mentioned, the bolts can then be released for movement into their respective unlocked position.
  • the driver can be moved into a release position in which both bolts are released. When the driver is moved into this release position, both bolts can be released essentially at the same time.
  • the driver has a plurality of functionally different release positions which can only be set alternatively to one another or one after the other.
  • the first bolt in a first release position of the driver, the first bolt is released for movement into its unlocked position, and in a second release position of the driver, the second bolt is released for movement into its unlocked position.
  • the wall anchor can be designed in such a way that the two closing ends introduced into the housing can only be released and detached from the wall anchor one after the other.
  • the driver can be adjusted in a first adjustment direction from the blocking position into the first release position and can be adjusted in a second adjustment direction opposite thereto from the blocking position into the second release position.
  • the driver can be adjustable only via the blocking position from the first release position to the second release position and only via the blocking position from the second release position to the first release position.
  • the driver can be adjusted as a result of an opening movement in the same direction from the blocking position via the first release position into the second release position.
  • the driver can be adjusted from the blocking position in an opening adjustment direction into the first release position and can be adjusted further from the first release position in the same opening adjustment direction to the second release position.
  • the driver can then as a result of an opposite rectified closing movement from the second release position to the first release position in the blocking position can be adjusted.
  • the driver can then be moved from the second release position in a closing adjustment direction opposite to the opening adjustment direction into the first release position and further adjusted from the first release position in the same closing adjustment direction to the blocking position.
  • the opening adjustment direction and the closing adjustment direction can in particular be directions of rotation.
  • the first bolt can be biased into its locked position or into its unlocked position by means of a spring.
  • the second bolt can be biased into its locking position or into its unlocking position by means of a spring.
  • the first latch can be pretensioned by means of a first spring, while the second latch is pretensioned by means of a second spring that is separate from the first spring.
  • the first spring and the second spring can each act on the respective bolt as a tension spring or as a compression spring, with the respective spring preferably acting directly on the respective bolt.
  • the two springs can each be supported in particular on the housing of the wall anchor or on a stationary bearing structure of the wall anchor arranged in the housing, on which, for example, the driver can also be rotatably mounted.
  • the locking mechanism has a common spring which prestresses the first latch and the second latch.
  • both bars are prestressed, with the respective prestressing being exerted on both bars by the same, in particular one-piece, spring.
  • the spring is preferably supported on the respective other for the prestressing of one of the two bars.
  • the spring is not connected to any other element of the wall anchor than the two bolts.
  • the two latches can, for example, by the spring biased towards or away from each other.
  • the spring can preload both the first bolt and the second bolt into the unlocked position.
  • the spring prestresses both the first bolt and the second bolt in each case into the locking position.
  • the spring biases one of the two latches into the locking position and the other into the unlocking position.
  • the driver is arranged between the first bar and the second bar.
  • Such an arrangement enables a particularly compact design of the wall anchor.
  • such an arrangement of the driver simplifies direct interaction of the blocking sections of the driver with the bolts.
  • the wall anchor 11 includes a housing 13 with a base plate 15 and a hood 17.
  • the base plate 15 are three Holes 19 for fastening screws 21 (compare 3 ) formed so that the base plate 15 can be fixed to a wall (not shown) by means of the fixing space 21 .
  • the base plate 15 and the hood 17 each have a substantially circular cross section.
  • the base plate 15 is at least essentially flat.
  • the hood 17 is curved in such a way that, when it is connected to the base plate 15 , it encloses an interior space of the wall anchor 11 together with the base plate 15 .
  • the hood 17 has at least approximately the shape of a hemispherical shell. When connected to the base plate 15, the hood 17 covers the fastening screws 21 so that they are not accessible from the outside.
  • the heads of the fastening screws 21 are then located in the aforementioned interior space of the wall anchor 11, which is bounded on the outside by the hood 17 on the one hand and by the base plate 15 on the other hand, with openings 59, 61, 63 formed in the hood 17 (cf. further below) can be considered as part of the hood 17.
  • the screw shanks of the fastening screws 21 extend out of this interior space, they do extend into the wall and are therefore also inaccessible.
  • the hood 17 is designed to be connected to the base plate 15 via a plug-and-turn connection in the manner of a bayonet lock.
  • the hood 17 has coupling sections 23 which protrude radially inwards at the circular edge of the hood 17, along which the hood 17 is connected to the base plate 15 (cf 2 ).
  • Corresponding coupling receptacles 25 are formed on the base plate 15 so that when the hood 17 is placed onto the base plate 15 by a plugging movement, each coupling section 23 of the hood 17 is inserted into a respective one of the coupling receptacles 25 of the base plate 15 .
  • the hood 17 can then be brought into a closed position relative to the base plate 15 by a rotary movement (closing rotary movement) about an axis of rotation perpendicular to the plane of the base plate 15 .
  • a rotary movement closing rotary movement
  • each coupling section 23 of the hood 17 engages behind a respective coupling section 27 of the base plate 15, which is adjacent to a respective one of the coupling receptacles 25 of the base plate 15 in the direction of the rotary movement.
  • the coupling sections 23 of the hood 17 engage behind the coupling sections 27 of the base plate 15 with respect to the direction opposite to the direction of the plug-in movement.
  • the hood 17 cannot be removed again from the base plate 15 in this direction without first being brought into an open position by a rotary movement (opening rotary movement) opposite to the rotary movement mentioned.
  • the hood 17 can be secured in the closed position by means of a locking screw (not shown) relative to the base plate 15 against the rotary opening movement.
  • the wall anchor 11 also includes a protective plate 29 which is designed to rest against the outside of the base plate 15 so that it is arranged between the housing 13 and the wall when the wall anchor 11 is in the mounted state.
  • the protective plate 29 has the bores 19 of the base plate 15 corresponding bores 31 so that the fastening screws 21 can also extend through the protective plate 29 therethrough.
  • the protective plate 29 extends beyond the base plate 15 in a direction perpendicular to the direction of said insertion movement. As a result, the protective plate 29 can cover an area of the wall that extends beyond the cross section of the housing 13 and is protected in this way from damage or soiling caused by the use of the wall anchor 11 .
  • two bearing pins 33 extend from the outside through the base plate 15 into the interior space of the housing 13 mentioned.
  • the bearing pins 33 are aligned perpendicular to the base plate 15 . All other elements, in particular at least one locking mechanism, of the wall anchor 11 are arranged entirely within the housing 13 .
  • the locking mechanism comprises a first bolt 35 and a second bolt 37, each of which is designed as a swivel bolt.
  • the two bolts 35, 37 are each mounted on one of the two bearing pins 33 pivotably about a pivot axis defined by the respective bearing pin 33 and can pivot at least between a locking position and an unlocking position, which with respect to the Figures 3 to 7 be explained in more detail.
  • the bolts 35, 37 each have a longitudinal extent, at one end of which they are mounted on the respective bearing pin 33. At the opposite end of the longitudinal extent, the bolts 35, 37 each have an engagement section 39 aligned in the circumferential direction about the pivot axis. As a result, the bolts 35, 37 have a hook shape.
  • a retaining portion 41 is formed at the free end of the engagement portion 39, which is shorter than the engagement portion 39 and protrudes perpendicularly from the engagement portion 39, namely in the radial direction with respect to the pivot axis toward the pivot axis.
  • the two bolts 35, 37 are constructed identically to one another.
  • the bolts 35, 37 are arranged in relation to one another in such a way that their engagement sections 39 point in opposite directions, namely away from one another.
  • the bolts 35, 37 are connected to one another in the region of their respective end of their longitudinal extent remote from the pivot axis by means of a spring 43 designed as a helical spring and are pretensioned by the spring 43 towards one another.
  • the Spring 43 acts as a tension spring.
  • the spring 43 is directly coupled both to the first bolt 35 and to the second bolt 37 .
  • a driver 45 is arranged between the two bolts 35, 37 and is rotatably mounted via a bearing structure 47 which is connected to the base plate 15 via the bearing pins 33.
  • the axis of rotation of the driver 45 is parallel to the pivot axes of the bolts 35, 37 and to the direction of the plug-in movement mentioned, with which the hood 17 is connected to the base plate 15. In particular, the axis of rotation is thus aligned perpendicularly to the base plate 15 .
  • the driver 45 has a first blocking section 49 and a second blocking section 51, which are designed as projections and protrude from the driver 45 at least essentially opposite one another in the radial direction with respect to the axis of rotation.
  • the base plate 15 has three latching projections 53 which are formed separately from the base plate 15 and are inserted into the base plate 15 on the inside thereof.
  • the driver 45 has corresponding locking recesses (not visible in the figures) on its side oriented towards the base plate 15 . As a result, the driver 45 engages in a rotation relative to the base plate 15 at least in the three in the Figures 3 to 7 shown positions of the driver on the base plate 15.
  • the locking mechanism also includes a lock cylinder 55, which is connected to the base plate 15 via the same bearing structure 47 as the driver 45. While a cylinder housing of the lock cylinder 55 is non-rotatably coupled to the bearing structure 47 by positive engagement with the latter, a cylinder core of the lock cylinder 55 is connected by means a key 57 assigned to the lock cylinder 55 (cf. Figures 3 to 7 ) rotatable relative to the cylinder housing about said axis of rotation.
  • the driver 45 is arranged in the axial extension of the cylinder core and coupled with it to rotate together or at least connectable. In this way, by actuating the lock cylinder 55 using the associated key 57, the driver 45 can be rotated, which in turn can act on the bolts 35, 37 using the blocking sections 49, 51 and thus block or release them depending on the position.
  • the hood 17 has a central key insertion opening 59, up to which the lock cylinder 55 extends with its end opposite the driver 45.
  • the hood 17 also has a first insertion opening 61 and a second insertion opening 63 .
  • a first closing end 65 or a second closing end 67 of a flexible securing part 69 embodied as a link chain in the example shown can be inserted into the housing 13 through both insertion openings 61, 63 and then locked in the housing 13 by means of a respective bolt 35, 37 to be, ie to be blocked against being removed from the insertion opening 61 or 63 (cf. Figures 3 to 7 ).
  • the two closing ends 65, 67 are the first and last chain links of the securing part 69.
  • the first closing end 65 and the second closing end 67 can also be formed by a respective end of two different securing parts 69.
  • the insertion holes 61, 63 are arranged such that a locking end 65, 67 inserted through the first insertion hole 61 can be locked by the first latch 35 and a locking end 65, 67 inserted through the second insertion hole 63 can be locked by the second latch 37 can.
  • the locking takes place in that the locking ends 65, 67 designed as chain links are gripped through by the engagement section 39 of the respective bolt 35 or 37.
  • the insertion openings 61, 63 each have a shape that is at least essentially complementary to the closing ends 65, 67, so that the closing ends 65, 67 inserted into the housing 13 have only little play relative to the insertion openings 61, 63.
  • the hood 17 also has only little play in relation to the closing ends 65, 67, so that it is blocked against said opening rotary movement relative to the base plate 15 by a single closing end 65 or 67 inserted into the housing 13. In this way, the hood 17 cannot be detached from the base plate 15 as long as a closing end 65 or 67 is inserted into the housing 13 and, in particular, locked, so that the fastening screws 21 cannot be unscrewed either.
  • the wall anchor 11 is in a locked state together with the securing part 69, in which the first closing end 65 is inserted into the first insertion opening 61 and locked by the first latch 35, i.e. blocked against removal from the first insertion opening 61, and that second closing end 67 is inserted into the second insertion opening 63 and locked by the second bolt 37, ie blocked against removal from the second insertion opening 63, is.
  • the driver 45 is in a blocking position in which the first blocking section 49 of the driver 45 blocks the first bolt 35 in its locked position and the second blocking section 51 of the driver 45 blocks the second bolt 37 in its locked position. Due to the coupling of the driver 45 with the lock cylinder 55 is the Driver 45 locked by the lock cylinder 55 against rotation from this blocking position as long as the cylinder core of the lock cylinder 55 is not released by means of the associated key 57 for rotation and is rotated.
  • the driver 45 can be removed from the in 3 shown blocking position by opening in the same direction (preferably clockwise; cf. the arrow in 3 ) into one into the Figures 4 and 5 shown first release position are rotated and beyond the first release position in one in the Figures 6 and 7 shown second release position are rotated, in which the driver 45 engages in cooperation with the provided on the base plate 15 latching projections 53.
  • the driver 45 is turned relative to the blocking position in such a way that the first blocking section 49 no longer blocks the first bolt 35 in its locked position but releases it for movement into its unlocked position, whereas the second blocking section 51 continues to block the second bolt 37 in its locked position .
  • the first bolt 35 is indeed biased in its unlocked position.
  • the retaining section 41 of the first bolt 35 engages behind the first locking end 65 in the direction of rotation about the pivot axis of the first bolt 35, the first bolt 35 is initially still held in its locking position (cf. 4 ). Only when the first closing end 65 is raised, i.e.
  • the retaining section 41 of the second bolt 37 prevents the second bolt 37 from immediately moving into its unlocked position by reaching behind the second closing end 67 .
  • the second closing end 67 must first be raised so that the retaining section 41 no longer reaches behind the second closing end 67, whereupon the second latch 37 is pivoted by the spring 43 into its unlocked position (cf. Figure 7 ). The second closing end 67 is thereby released and can be removed from the second insertion opening 63 .
  • the insertion and locking of the two closing ends 65, 67 on the wall anchor 11 takes place essentially in the correspondingly reverse manner. If the driver 45 is in the second release position and the second bolt 37 assumes its unlocked position due to the preload (cf. 7 ), the second closing end 67 can be inserted into the second insertion hole. By turning the driver 45 into the first release position, the second bolt 37 is then pushed into its locking position by the second blocking section 51, so that the second bolt 37 reaches through the second closing end 67 with its engagement section 39 and thereby locks it; at the same time, the first bolt 35 is no longer blocked in its locking position by the second blocking section 51, but is released for movement into its unlocking position, into which it is pivoted by the preload of the spring 43 (cf.
  • the first locking end 65 can be inserted into the first insertion opening 61 and then the cam 45 can be rotated to its blocking position, so that the first blocking portion 49 of the cam 45 forces the first bolt 35 into its locking position, in which the first bolt 35 reaches through the first locking end 65 with its engagement section 39 and thus locks it (cf. 3 ).
  • the first bolt 35 and the second bolt 37 are blocked again by the first blocking section 49 and the second blocking section 51 of the driver 45 in their respective locking position.
  • the key 57 can then be removed from the lock cylinder 55.
  • the key 57 can preferably only be removed from the lock cylinder 55 when the driver 45 is in the blocking position.
  • the driver 45 does not necessarily have to move from the blocking position to the second locking position or from the second locking position to the blocking position to be disguised. In many cases, it may be sufficient to adjust the driver 45 between the blocking position and the first locking position in order to only lock one closing end 65 of the securing part 69 on the wall anchor 11 via the first insertion opening 61 or to release it from it, while the other closing end 67 can remain locked to the wall anchor 11 throughout.
  • the embodiment shown of a wall anchor 11 according to the invention also offers the possibility of completely detaching the securing part 69 from the wall anchor 11 by moving the driver 45 into the second release position.

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EP22175994.7A 2021-06-04 2022-05-30 Ancre mural Pending EP4098830A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021114427.2A DE102021114427A1 (de) 2021-06-04 2021-06-04 Wandanker

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Publication Number Publication Date
EP4098830A1 true EP4098830A1 (fr) 2022-12-07

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Application Number Title Priority Date Filing Date
EP22175994.7A Pending EP4098830A1 (fr) 2021-06-04 2022-05-30 Ancre mural

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Country Link
EP (1) EP4098830A1 (fr)
DE (1) DE102021114427A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268223A (en) * 1992-06-23 1994-01-05 Philip Denman Security device
US5325686A (en) * 1993-04-26 1994-07-05 Bentley James K Wall mount gun lock assembly
WO2006091265A2 (fr) * 2004-12-22 2006-08-31 Peak Recreational Products Llc Ensemble cadenas pour securiser un bien personnel a monter sur un vehicule
US20150314820A1 (en) * 2014-05-05 2015-11-05 Louis Fournier Bicycle storage device
US9228375B1 (en) * 2014-10-29 2016-01-05 Mandex, Inc. Lock for a chain

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859826A (en) 1973-02-21 1975-01-14 M Leonard Singer Apparatus for securing office equipment at a remote station

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268223A (en) * 1992-06-23 1994-01-05 Philip Denman Security device
US5325686A (en) * 1993-04-26 1994-07-05 Bentley James K Wall mount gun lock assembly
WO2006091265A2 (fr) * 2004-12-22 2006-08-31 Peak Recreational Products Llc Ensemble cadenas pour securiser un bien personnel a monter sur un vehicule
US20150314820A1 (en) * 2014-05-05 2015-11-05 Louis Fournier Bicycle storage device
US9228375B1 (en) * 2014-10-29 2016-01-05 Mandex, Inc. Lock for a chain

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