EP3528657B1 - Toggle lever closure - Google Patents

Description

The invention relates to a toggle lever closure according to the preamble of claim 1.

An example of a toggle latch is in the document US2015/296924 disclosed.

Such a toggle-lever closure comprises a first closure element, a second closure element which, in order to close the toggle-lever closure, can be pivoted about a first pivot axis relative to the first closure element, and a tensioning element which is articulated to the second closure element about a second pivot axis spaced apart from the first pivot axis.

Such toggle-lever locks have been known from the prior art for a long time and can be used, for example, to tighten a tension belt or also to firmly close a ski boot or other sports shoe. With such a toggle-lever closure, the second closure element can be attached to the first closure element in order to close the toggle-lever closure, with the second closure element being separable from the first closure element in order to open the toggle-lever closure, and the first closure element and the second closure element thus being able to be detached from one another.

In another embodiment, however, it is also possible to connect the first closure element and the second closure element to one another in an articulated and non-detachable manner, in which case In this case, for example, the tensioning element can be releasably connected to a tensioning element, for example a belt, a belt or another element designed to transmit tension (this is often the case with ski boots, for example, in which a tensioning element engages in a tensioning element like a toothed belt ).

Desirable is a toggle-lever lock that, on the one hand, can be easily closed by finding the parts to be attached to one another, and, on the other hand, holds reliably in the closed position. The toggle lock should be easy to use, allow a haptically pleasant opening and closing and be able to guarantee a reliable hold.

The object of the present invention is to provide a toggle lever closure that is easy for a user to operate while being reliably held in the closed position.

This object is achieved by a toggle lever lock with the features of claim 1.

Accordingly, the toggle lever closure has at least one magnetic device that acts between the first closure element and the second closure element and/or between the first closure element and the tensioning element.

The toggle-lever lock is thus designed magnetically, with the magnetic device being able to fulfill different functions.

Firstly, the magnetic device can act, for example, between the first closure element and the second closure element in such a way that when the second closure element is attached to the first closure element, the closure elements can be found in a simple, reliable, correctly positioned manner. In this case, the magnetic device thus makes it easier to find the closure elements for closing the toggle lever closure.

Secondly, it is conceivable and possible that the magnetic device acts between the first closure element and the second closure element and/or between the first closure element and the tensioning element, so that the toggle lever closure is held reliably and resiliently in its closed position. In this case, the magnetic device acts in particular to fix it in the closed position.

In one embodiment, the second closure element can be attached to the first closure element to close the toggle lever closure and can be removed from the first closure element to open the toggle lever closure. In this embodiment of a toggle lever closure, the first closure element and the second closure element can therefore be detached from one another. By attaching the second closure element to the first closure element and by subsequently pivoting the second closure element relative to the first closure element, the tensioning element, which is articulated to the second closure element, is moved and a tensile force is thereby exerted on a tensioning element adjoining the tensioning element, so that the toggle-lever closure is tensioned by tensioning the tensioning element is closed. To open, the second closure element can be pivoted back relative to the first closure element, so that the tension on the tensioning element is relaxed. The toggle lever lock is then opened by removing the second locking element from the first locking element.

In this configuration, the first closure element can have, for example, a fastening element and the second closure element can have an engagement section, the engagement section being attachable to the fastening element for the articulated connection of the second closure element to the first closure element. The engagement portion can, for example, extend longitudinally along the first axis of rotation and be realized by a strut element that provides a hinge axis for pivoting the second closure element to the first closure element. After the second closure element has been attached to the first closure element, the engagement section engages on the fastening element of the first closure element, the engagement of the engagement section with the fastening element being such that an articulated connection is created between the second closure element and the first closure element.

The second closure element can have a one-piece pivoting part on which the engagement section is arranged on the one hand and on which the clamping element acts on the other hand. The engagement section and the second pivot axis, about which the tensioning element can be pivoted relative to the second closure element, are spaced apart from one another, so that when the second closure element is pivoted relative to the first closure element, the tensioning element is moved and a tension element connected to the tensioning element is thereby tensioned.

In an embodiment which is not part of the invention, the second closure element can be configured by a wire clip, in which the engagement section is realized by a cross brace of the clip. The wire clip can be hooked into the fastening element, which in this case is hook-shaped, so that after hooking there is an articulated connection between the second closure element and the first closure element.

In an alternative configuration, the second closure element can also be designed in two parts with parts that can be moved relative to one another. For example, the second closure element can have a pivoting part and an attachment element that is connected to the pivoting part in an articulated manner. The tensioning element is connected in an articulated manner to the pivoting part. The attachment element, on the other hand, can be attached to the first closure element and carries the engagement section, so that after attachment of the attachment element to the first closure part, the attachment element is held in a form-fitting manner on the first closure part and thus creates a connection between the second closure element and the first closure element.

The attachment element can be formed, for example, as in the WO 2014/180512 A1 is described, the content of which should be included in its entirety here.

Alternatively, the attachment element, for example, as in the WO 2014/090926 A1 described, the content of which should also be included in its entirety here.

In particular, the engagement section can extend in a straight line along the first pivot axis. In this case, the engagement section is thus directed transversely to a loading direction (perpendicular to the pivot axes).

Alternatively, the engagement section can also extend at an oblique angle to the first pivot axis.

Alternatively again, the engagement section can have a V-shape, with two sections which are at an angle to one another and each extend obliquely to the first pivot axis and together form a V. The tip of the V can point in a direction of loading, as shown in FIG WO 2014/090926 A1 is described.

If the first closure element and the second closure element are (detachably) attached to one another to close the toggle lever closure, the magnetic device can serve in particular to magnetically support the attachment of the second closure element to the first closure element. For this purpose, the magnetic device can be designed to draw the engagement section of the second closure element magnetically into engagement with the fastening element of the first closure element when it is attached. When the second closure element is attached to the first closure element, the parts are thus largely found automatically, so that attachment is considerably simplified for the user and a user in particular only needs to approach the second closure element to the first closure element, so that the magnetic device then engages the engagement section can pull the fastener.

In a specific embodiment, a first magnet element can be arranged on the first closure element in the area of the fastening element, while a second magnet element is arranged on the second closure element in the area of the engagement section. The first and the second magnetic element can be designed as a permanent magnet. However, it is also conceivable and possible that one of the magnetic elements is formed by a permanent magnet and the other of the magnetic elements by a ferromagnetic armature, so that there is a magnetic attraction between the magnetic elements. When the engaging portion is brought into proximity with the fastener, the magnet members are attracted such that the engaging portion is drawn into engagement with the fastener and thus the second closure member is hinged to the first closure member. If the second closure element is designed with a one-piece pivot part, the second closure element can thus be pivoted about the first pivot axis. If the second closure element is designed in two parts with an attachment element and a pivot part (pivotable about the first pivot axis to the attachment element), the pivot part can be pivoted relative to the attachment element after attachment.

If the second closure element is designed as a wire clip, which is not part of the invention, the wire clip can itself have ferromagnetic properties, for example, so that when it is attached to the first closure element, the second closure element in the form of the wire clip is magnetically attracted to the first closure element. Alternatively or additionally, a cylindrical magnet or a cylindrical component with ferromagnetic on the second closure element in the form of the wire clip Properties be arranged, which is attachable to the fastener of the first closure element.

In an alternative embodiment of the toggle lever closure, which is not part of the invention, the second closure element can, as already explained above, be connected to the first closure element in an articulated but non-detachable manner about the first pivot axis. In this case, the second closure element is thus connected in an articulated manner to the first closure element, but the articulated connection cannot be released in order to open the toggle-lever closure. In this case, the clamping element can have, for example, a connecting element, for example in the form of a hook or an eyelet, which can be releasably connected to a pulling element for transmitting pulling forces. By hooking the tensioning element into the tension element and by subsequently pivoting the second closure element in relation to the first closure element, the toggle lever closure can thus be closed, with a tensioning effect on the tensioning element.

In an alternative embodiment, the clamping element can also be firmly connected to the tension element. This applies to both basic configurations of the toggle-lever lock (ie when the second locking element is releasably connected to the first locking element and when the second locking element is non-releasably connected to the first locking element). The tensioning element is therefore not detachably connected to the tension element, with pivoting of the second closure element relative to the first closure element causing tension on the tensioning element and thereby exerting a tensile force on the tension element.

In a closed position, in one embodiment, the second closure element is arranged relative to the first closure element in such a way that the connecting element of the tensioning element and the second pivot axis come to rest on different sides of the first pivot axis. To close the toggle lever closure, the second closure element is pivoted relative to the first closure element, so that the second closure element is brought closer to the first closure element and the first closure element and the second closure element come to lie approximately one on top of the other. In this way, the tensioning element is pulled along in the pivoting direction and thus tensioned, so that tensile forces are exerted on a tensioning element adjoining the tensioning element. For example, in the closed position, the pivoting part of the second closure element can rest against a body of the first closure element, so that the second closure element assumes a defined position relative to the first closure element.

In this case, the magnetic device can in particular (also) serve to fix the toggle-lever lock in the closed position. For this purpose, the magnetic device can have a magnetically attractive effect at a location that is spaced apart from the first pivot axis between the first closure element and the second closure element or between the first closure element and the tensioning element, so that the toggle lever closure is held in the closed position. Because the magnetic device acts at a distance from the first pivot axis, the magnetic fixing forces act with a lever arm on the first pivot axis, with the magnetic fixation being able to act between the first closure element and the second closure element or also between the first closure element and the tensioning element.

The magnetic forces can be dimensioned in such a way that, when there is a load during operation, it is not possible to open the toggle-lever lock due to the loading forces acting on the toggle-lever lock. Opening is only possible by deliberate actuation to pivot the second closure element back relative to the first closure element.

Additionally or alternatively, a latching device can be provided which mechanically latches the first closure element and the second closure element (and/or the first closure element and the tensioning element) to one another in the closed position. An additional mechanical locking mechanism is thus provided, which holds the toggle lever closure in the closed position.

In one embodiment, spring-mechanical pretensioning forces can act between the tensioning element and the second closure element, which tension the second closure element about the second pivot axis (about which the second closure element and the tensioning element are articulated to one another) in relation to the tensioning element in the direction of a preferred position. Such a bias can be brought about, for example, by a torsion spring that acts about the second pivot axis.

However, such a pretensioning can also be brought about by the second closure element having arms which are offset relative to one another, for example along the second pivot axis and which act on the tensioning element at different locations which are offset from one another transversely to the second pivot axis. In a preferred position, the arms are (largely) relaxed. However, the second closure element will moved relative to the clamping element, a tension is caused on the arms, which leads to a spring preload.

In one embodiment, the second closure element has an operating element that can be actuated to open the toggle lever closure. The operating element can be designed, for example, as a flexible, limp release tab (for example a piece of tape) which can be pulled in order to open the toggle lever lock. The operating element can, for example, protrude under the clamping element in the closed position of the toggle lever closure in such a way that the clamping element can be raised by pulling on the operating element and the second closure element can be detached from the first closure element.

Another type of closure device not forming part of the invention comprises a first closure member having a fastener in the form of a hook and a second closure member in the form of a wire clip for attachment to the fastener of the first closure member. It is provided here that the first closure element interacts with the second closure element in a magnetically attractive manner.

A particularly simple closure is thus created, which is not part of the invention, in which a second closure element in the form of a wire clip is simply hooked into a hook-shaped fastening element of a first closure element to close the closure. Magnetic forces act between the first closure element and the second closure element, so that the attachment of the second closure element to the first closure element is supported magnetically.

In one configuration, the first closure element can have a first magnetic element or be made at least in sections from a ferromagnetic material. In addition or as an alternative, the second closure element can have a second magnet element or can be made at least in sections from a ferromagnetic material. In any case, magnetically attractive magnetic forces act between the first closure element and the second closure element. The attachment of the second closure element to the first closure element is thus supported magnetically, and the hold of the second closure element on the first closure element is magnetically secured when the closure device is closed.

Such a closure device can be part of a toggle lever closure, as has been described above. In this context, reference should be made to what was stated above.

Fig. 1

eine schematische Ansicht eines orthopädischen Hilfsmittels, das über Kniehebelverschlüsse an der Extremität eines Patienten zu befestigen ist;

Fig. 2A

eine perspektivische Ansicht eines ersten Ausführungsbeispiels eines Kniehebelverschlusses, beim Schließen;

Fig. 2B

eine Seitenansicht der Anordnung gemäß Fig. 2A;

Fig. 2C

eine perspektivische Ansicht des Kniehebelverschlusses in einer Schließstellung;

Fig. 2D

eine Seitenansicht der Anordnung gemäß Fig. 2C;

Figuren 3A bis 3D

sind nicht Teil der Erfindung.

3A

eine perspektivische Ansicht eines Kniehebelverschlusses, beim Schließen;

Fig. 3B

eine Seitenansicht der Anordnung gemäß Fig. 3A;

Fig. 3C

eine perspektivische Ansicht des Kniehebelverschlusses, in einer Schließstellung;

Fig. 3D

eine Seitenansicht der Anordnung gemäß Fig. 3C;

Fig. 4A

eine perspektivische Ansicht eines weiteren Ausführungsbeispiels eines Kniehebelverschlusses, vor dem Schließen;

Fig. 4B

eine Ansicht des Kniehebelverschlusses beim Schließen;

Fig. 4C

eine Ansicht des Kniehebelverschlusses beim weiteren Schließen;

Fig. 4D

eine Ansicht des Kniehebelverschlusses in einer Schließstellung;

Fig. 5A

eine schematische Ansicht zur Erläuterung des Kniehebelverschlusses gemäß Fig. 4A bis 4D;

Fig. 5B

eine vergrößerte Ansicht im Ausschnitt X gemäß Fig. 5A;

Fig. 5C

eine Draufsicht zur Erläuterung des Kniehebelverschlusses;

Fig. 6A

eine Ansicht eines weiteren Ausführungsbeispiels eines Kniehebelverschlusses, vor dem Schließen;

Fig. 6B

eine Ansicht des Kniehebelverschlusses beim Schließen;

Fig. 6C

eine Ansicht des Kniehebelverschlusses in einer Schließstellung;

Fig. 7A

eine Explosionsansicht des Kniehebelverschlusses gemäß Fig. 6A bis 6C;

Fig. 7B

eine weitere Explosionsansicht des Kniehebelverschlusses gemäß Fig. 6A bis 6C;

Fig. 8

eine schematische Ansicht eines anderen Ausführungsbeispiels eines Kniehebelverschlusses; und

Fig. 9

eine schematische Ansicht eines Kniehebelverschlusses. (Nicht Teil der Erfindung)

The idea on which the invention is based is to be explained in more detail below with reference to the exemplary embodiments illustrated in the figures. Show it:

1

a schematic view of an orthopedic aid that is to be fastened to a patient's extremity via toggle lever locks;

Figure 2A

a perspective view of a first embodiment of a toggle lock, when closing;

Figure 2B

a side view of the arrangement according to FIG Figure 2A ;

Figure 2C

a perspective view of the toggle lock in a closed position;

2D

a side view of the arrangement according to FIG Figure 2C ;

Figures 3A to 3D

are not part of the invention.

3A

a perspective view of a toggle lock when closing;

Figure 3B

a side view of the arrangement according to FIG Figure 3A ;

Figure 3C

a perspective view of the toggle lock, in a closed position;

3D

a side view of the arrangement according to FIG Figure 3C ;

Figure 4A

a perspective view of another embodiment of a toggle lock, before closing;

Figure 4B

a view of the toggle lock when closing;

Figure 4C

a view of the toggle lock during further closing;

Figure 4D

a view of the toggle lock in a closed position;

Figure 5A

a schematic view for explaining the toggle lever lock according to FIG Figures 4A to 4D ;

Figure 5B

an enlarged view of section X according to FIG Figure 5A ;

Figure 5C

a plan view to explain the toggle lock;

Figure 6A

a view of another embodiment of a toggle lever closure, before closing;

Figure 6B

a view of the toggle lock when closing;

Figure 6C

a view of the toggle lock in a closed position;

Figure 7A

an exploded view of the toggle lock according to FIG Figures 6A to 6C ;

Figure 7B

another exploded view of the toggle latch according to FIG Figures 6A to 6C ;

8

a schematic view of another embodiment of a toggle lever closure; and

9

a schematic view of a toggle lever closure. (Not part of the invention)

1 shows a schematic view of an orthopedic aid 3 in the form of a splint that can be attached to the extremity of a patient, in the example shown to the patient's leg B, and is used, for example, as a knee or foot orthosis. For this purpose, the orthopedic aid 3 is attached to the leg B and fixed via a plurality of tension elements 2 in the form of bands by using toggle-lever locks 1 .

Different exemplary embodiments of such toggle lever closures 1 will be explained below, it being pointed out here that such toggle lever closures can be used in very different ways and are therefore not limited to use on orthopedic aids. Toggle locks 1 can, for example, generally for tensioning a belt or Straps are used, for example as a closure of a container or as a closure for a sports shoe, such as a ski boot.

at a in Figures 2A to 2D illustrated embodiment of a toggle lock 1, a first closure element 10 has a body 100, for example fixed to an object, such as an orthopedic aid 3 according to 1 , is attached. A fastening element 101 protrudes from the body 100, to which a second closure element 11 can be attached in such a way that an engagement section 112 of the second closure element 11 comes to rest on a sliding surface 104 of the fastening element 101, which is delimited by a projection 102, and thus an articulated connection between the second closure element 11 and the first closure element 10 creates. A tensioning element 12 (in the form of a bracket in the illustrated embodiment) is attached in an articulated manner via ends 121 to the second closure element 11, with a tension element 2, for example in the form of a strap or Belt can be attached.

In the exemplary embodiment shown, the second closure element 11 and the first closure element 10 can be detached from one another. To close the toggle-lever lock 1 , the second locking element 11 is attached with the engagement section 112 to the fastening element 111 , so that the engagement section 112 comes to rest with a sliding surface 114 on the sliding surface 104 of the fastening element 101 . After attachment, the second closure element 11 can be pivoted about a first pivot axis D1 relative to the first closure element 10, as is the case in the transition from Figure 2A , B to Figure 2C , D is shown.

When attaching the second fastener element 11 to the first fastener element 10, the fastening element 101 of the first fastener element 10 engages with an opening 111 on a pivoting part 110 of the second fastener element 11. Attaching the second fastener element 11 to the first fastener element 10 and finding the engaging portion 112 with the fastening element 101 is magnetically supported by magnetic elements 103, 113, which are arranged on the one hand in the area of the fastening element 101 on the body 100 of the first closure element 10 and on the other hand in the area of the engagement section 112 on the second closure element 11, as is shown schematically in Figure 2B is shown. The magnetic elements 103, 113 face each other in a magnetically attractive manner, so that the engaging portion 112 is automatically drawn into engagement with the fastening element 101 and in particular the sliding surfaces 104, 114 come into contact with one another.

In contrast, the clamping element 12 can be pivoted about a second pivot axis D2 relative to the second closure element 11 . By pivoting the second closure element 11 relative to the first closure element 10, the tensioning element 12 is taken along, so that a tensile force is exerted on the tensioning element attached to the tensioning element 12, and the tensioning element 2 is thus tensioned.

In the closed position, shown in Figures 2C and 2D , the second closure element 11 is in contact with the pivoting part 110 against the body 100 of the first closure element 10. In the closed position, the second pivot axis D2 comes to rest on a first side of the fastening element 101, while the connecting element 120 of the tensioning element 12 on which the Tension element 2 attacks, is arranged on another, second side of the fastening element 101 . The second pivot axis D2 and the connecting element 120 are thus arranged on different sides of the fastening element 101 .

On the body 100 of the first closure element 10 (in addition to the magnetic element 103) there is a magnetic element 103' which, in the closed position, lies magnetically opposite to a magnetic element 113' (additional to the magnetic element 113) on the pivot part 110 of the second closure element 11. The second closure element 11 is thus held magnetically in the closed position, so that the position of the second closure element 11 relative to the first closure element 10 is fixed in the closed position.

The magnetic attraction is preferably dimensioned in such a way that unintentional release, in particular under the effect of a load acting on the clamping element 12 via the tension element 2, is not easily possible, at least not without intentionally opening the second closure element 11.

To open, the second closure element 11 can be removed from the Figures 2C and 2D shown position back to the in Figures 2A and 2B position shown are pivoted so that the magnetic elements 103 ', 113' are separated from each other. The closure elements 10, 11 can then be removed from one another, so that the connection between the closure elements 10, 11 is released.

at a in Figures 3A to 3D illustrated toggle closure 1, which is not part of the invention, the second closure element 11 is realized as a wire clip, which can be attached to a fastening element 101 in the form of a hook of a first closure element 10.

In the exemplary embodiment shown, a magnetic element 103 is arranged on the fastening element 101 in the area of the sliding surface 104, which, when the second closure element 11 is attached, is opposite a magnetic element 113 on a transverse strut 116 of the second closure element 11. The magnetic element 113 can be designed as a permanent magnet or also as a ferromagnetic component and is opposite the magnetic element 103 on the fastening element 101 in a magnetically attractive manner.

It is conceivable here to design the magnetic element 103 of the fastening element 101 as a permanent magnet. In this case, the magnetic element 113 can be designed as a permanent magnet or as a ferromagnetic component.

However, it is also conceivable to design the magnetic element 103 as a ferromagnetic component. In this case, the magnetic element 113 is realized by a permanent magnet.

If the magnetic element 103 is designed as a permanent magnet, a separate, cylindrical magnetic element 113 can also be dispensed with if the wire bracket that implements the second closure element 11, which is not part of the invention, is made of a ferromagnetic material and is therefore itself magnetically attractive to the Magnetic elements 103 interacts.

Away from the magnetic element 113, the second closure element 11 in the form of the wire clip, which is not part of the invention, is articulated to a tensioning element 12 on which a tension element 2, for example in the form of a belt or band, is arranged. The toggle lock 1 is used to tighten the clamping element 12 by the second closure element 11, as in the transition between Figures 3A and 3B to Figures 3C and 3D is shown is pivoted about the first pivot axis D1 relative to the first closure element 10 .

In the closed position, shown in Figures 3C and 3D , The second closure element 11 in the form of the wire clip, which is not part of the invention, is pivoted to a latching device 105 on the body 100 of the first closure element 10 such that a transverse strut 115 of the second Closure element 11 with a locking recess 106 of the locking device 105 engaged reaches and the second closure element 11 is thus held in a latching position relative to the first closure element 10 .

The second closure element 11 is thus latched to the first closure element 10 in the closed position. In addition, the clamping element 12 is also held in position, so that the toggle lever closure 1 is fixed in its closed position.

To release the toggle lever closure 1, the second closure element 11 can be released from the latch, so that the second closure element 11 from the position shown in FIG Figures 3C and 3D towards the position according to Figures 3A and 3B can be pivoted in order to then remove the second closure element 11 from the first closure element 10 and to open the toggle-lever closure 1 .

A locking device of the in Figures 3A to 3D The type shown can also be used without a clamping element 12 . In this case, the closure is not designed as a toggle lever closure, but as a simple closure, in which a second closure element 11 is simply hooked into the fastening element 101 of the first closure element 10 to close the closure device and the hold of the closure elements 10, 11 on one another is magnetically secured is.

A locking device is not required in this case. The closure is closed by simply hooking the second closure element 11 into the first closure element 10. The above description of the Figures 3A to 3D is not part of the invention.

at a in Figures 4A to 4D illustrated embodiment of a toggle lock 1, the second closure element 11 is formed in two parts. The second closure element 11 has an attachment element 117, which can be designed as shown in FIG WO 2014/180512 A1 is described, the content of which should be included in its entirety here.

A pivoting part 110 is articulatedly connected to the attachment element 117 - pivotable about the first pivot axis D1.

To close the toggle-lever closure 1, the attachment element 117 is attached to the first closure element 10, so that the attachment element 117 has an engagement section 112 in the fastening element 101 and that arranged thereon Projection 112 is engaged, as in Figure 4B is shown. The attachment element 117 comes to rest between the fastening element 101 and a blocking element 107 in the form of a projection on the body 100 of the first closure element 10 so that the position of the attachment element 117 on the first closure element 10 is fixed.

Both the attachment element 117 and the body 100 of the first closure element 10 each have a magnetic element, so that the attachment element 117 is attached to the body 100 in a magnetically assisted manner. The attachment element 117 is attracted to the body 100, so that the attachment element 117 is magnetically assisted in the in Figure 4B position shown.

If the attachment element 117 has been attached to the first closure element 10, the pivoting part 110 can be pivoted about the first pivot axis D1 relative to the attachment element 117 in order in this way to tension the clamping element 12 with the tension element 2 arranged thereon, as was done in the transition from Figure 4B towards Figure 4D is shown.

Pivoting part 110 is pivoted in a pivoting direction S1 about first pivot axis D1 relative to attachment element 117 and thus relative to first closure element 10, with clamping element 12 being pivoted in a pivoting direction S2 about second pivot axis D2 relative to pivoting part 110, as is shown in Fig transition from Figure 4B to Figure 4D is evident. The tension element 2 on the tensioning element 12 is taken along and thus tensioned by tension.

A handle 122 is attached to the tensioning element 12, which a user can grip in order to close the toggle-lever lock 1 or to open it again. For example, a user can pull on the handle 142 to open it and thus lift the clamping element 12 so that the pivoting part 110 is pivoted back around the first pivot axis D1 and the clamping element 12 is also pivoted around the pivot axis D2.

In the embodiment according to Figures 4A to 4D the arms 118, 119 of the pivoting part 110, via which the attachment element 117 is connected to the clamping element 12, do not extend parallel to one another, but run at an angle to one another, as is shown in Figures 5A to 5C is shown. This is how the arms 118, 119 grip as shown in the enlarged view Figure 5B seen, with their ends 118A, 118B at a distance A transverse to the (in this case virtual) second pivot axis D2 at the Connecting portion 123 of the clamping element 12, which means that the pivoting part 110 is biased in a preferred position.

In this preferred position, shown in Figures 5A and 5B , the arms 118, 119 are largely relaxed. When pivoting part 110 is pivoted relative to clamping element 12 about second pivot axis D2, arms 118, 119 are deformed, which leads to clamping forces on arms 118, 119 that try to return pivoting part 110 in the direction of the preferred position.

The ends 118A, 119A can, for example, engage in mutually offset openings on both sides of the connecting section 123 on the tensioning element 12, so that the arms 118, 119 are held on the connecting section 123 at a distance A from one another via their ends 118A, 119A.

The pivoting part 110 can also be pretensioned relative to the tensioning element 12 in a different way, for example via a torsion spring which acts about the second pivoting axis D2 and pretensions the pivoting part 110 in the direction of a preferred position relative to the tensioning element 12 .

at a in Figures 6A to 6C and 7A, 7B illustrated embodiment of a toggle lever lock 1 is an engagement element 117 (similar to the embodiment according to Figures 4A to 4D designed) is attached to a first closure element 10 for closing the toggle-lever closure 1 and thereby engages with a fastening element 101 of the first closure element 10. The position of the attachment element 117 is determined by a blocking element 107 in the form of a projection on the body 100 of the first closure element 10 also defined rearwardly of the fastener 101 by the attachment element 117 being received between the fastener 101 and the blocking element 107 .

The first closure element 10 has a magnetic element 103, as shown in FIG Figures 7A and 7B as can be seen, and likewise the attachment element 117 has a magnetic element (not visible in the figures) so that on attachment the attachment element 117 is magnetically drawn into engagement with the fastening element 101 .

Both the first closure element 10 and the attachment element 117 can have a magnetic element in the form of a permanent magnet. However, it is also conceivable and possible for one of the elements to have a permanent magnet and the other of the elements to have a ferromagnetic armature.

Closing of the toggle-lever lock 1 takes place in a similar manner to that described above for the exemplary embodiment according to FIG Figures 4A to 4D described. By pivoting the pivoting part 110 about the first pivoting axis D1 relative to the attachment element 117 and thus relative to the first closure element 10 and by simultaneously pivoting the clamping element 12 about the second pivoting axis D2 relative to the pivoting part 110, the toggle lever closure 1 reaches the closed position according to Figure 6C , in which the tensioning element 12 lies essentially on the first closure element 10 and thus a tension element 2 acting on the tensioning element 12 (see Figure 6A ) is excited.

A locking device 124 in the form of two hooks, which are not part of the invention, is formed on a connecting section 123, to which the pivoting part 110 of the second closure element 11 is attached in an articulated manner about the second pivot axis D2 105 are in the form of two locking recesses 106 of the first closure element 10 engaged, so that the tensioning element 12 is locked in relation to the first closure element 10. The toggle lock 1 is thus secured in the closed position and cannot be opened easily, at least not unintentionally under the effect of load forces on the tension element 2 .

In the exemplary embodiment shown, an operating element 13 in the form of a release tab is arranged on attachment element 117 , which a user can pull to open toggle-lever closure 1 . By lifting the tensioning element 12 using a handle 122 and by pulling on the operating element 13 , the toggle lever closure 1 can be opened and the attachment element 117 can be detached from the first closure element 10 .

It is also conceivable and possible here, in a modified embodiment, not to provide a handle 122 on the clamping element 12 but rather to let the operating element 13 protrude under the clamping element 12 in the closed position. By pulling on the operating element 13, the tensioning element 12 can then be raised and the attachment element 117 detached from the first closure element 10 in one movement sequence.

In the above-described embodiments, the engaging portion 112 extends linearly along the first pivot axis D1. However, this is not limiting. Other configurations of the engagement section 112 are also conceivable.

For example, the engagement section 112 can form a V-shape, as is shown schematically in 8 is shown. In this case, the engagement section 112 can engage with a likewise V-shaped fastening element 101 on the first closure element 10 and thus create a positive connection when the second closure element 11 is attached to the first closure element 10 . The attachment element can be formed in this case, as for example in the WO 2014/090926 A1 is described.

In the exemplary embodiments described above, the second closure element 11 is to be attached (releasably) to the first closure element 10 in order to close the toggle lever closure 1 . When the toggle-lever closure 1 is opened, the second closure element 11 can be removed from the first closure element 10 in order in this way to release the connection between the second closure element 11 and the first closure element 10 .

In another embodiment, which is not part of the invention, shown schematically in 9 However, it is also conceivable to connect the second closure element 11 to the first closure element 10 in an articulated but non-detachable manner about the first pivot axis D1. The tensioning element 12 can here, for example, be articulated and also non-detachably pivotable about the second pivot axis D2 on the second closure element 11, wherein the tensioning element 12 can be releasably connected to the tension element 2, for example by the tensioning element 12 being hooked into a hook 20 of the tension element 2 becomes. Once again, a toggle-lever lock 1 is created in which clamping forces can be exerted on the pull element 2 by pivoting the second locking element 11 .

In a modified embodiment is also conceivable in accordance with the embodiment 9 the connection of the tensioning element 12 to the tension element 2 should not be detachable. In this case, by closing the toggle lock 1, a tension can be brought about that can be relieved by opening the toggle lock 1, but without parts having to be detached from one another in this case.

The idea on which the invention is based is not limited to the exemplary embodiments described above, but can in principle also be implemented in a completely different manner.

A toggle-lever lock of the type described here can be used in very different ways for connecting parts to one another in a tensioning manner. One application may be in the attachment of an orthopedic device, for example an orthosis, to a patient, in which case the orthopedic device is placed in a tensioned manner on an extremity of the patient via one or more toggle latches. However, a toggle-lever closure of the type described here can also be used, for example, to close a container, for example a box or a bag, or to close a sports shoe, for example a ski boot.

Reference List

1

Toggle lock

10

closure element

100

Body

101

fastener

102

head Start

103, 103'

magnetic element

104

sliding surface

105

locking device

106

notch

107

blocking element (protrusion)

11

closure element

110

swivel part

111

opening

112

engagement section

113, 113`

magnetic element

114

sliding surface

115, 116

cross brace

117

attachment element

118, 119

poor

118A, 119A

End

12

clamping element

120

fastener (bracket)

121

end up

122

Handle

123

connection section

124

locking device

13

Attack element (release flag)

2

(Flexible) tension element (band)

20

Hook

3

item (rail element)

A

Distance

B

limb (leg)

D1, D2

pivot axis

S1, S2

pan direction

Claims (15)

1. A toggle lever closure (1), comprising

   - a first closure element (10),

   - a second closure element (11) which is pivotable about a first pivot axis (D1) with respect to the first closure element (10) in order to close the toggle lever closure (1), and

   - a tensioning element (12) which is connected in an articulated manner to the second closure element (11) about a second pivot axis (D2) spaced apart from the first pivot axis (D1),

   characterized by
   at least one magnetic device (103, 103', 113, 113') which acts between the first closure element (10) and the second closure element (11) and/or between the first closure element (10) and the tensioning element (12).
2. The toggle lever closure (1) as claimed in claim 1, characterized in that the second closure element (11) is attachable to the first closure element (10) in order to close the toggle lever closure (1) and is removable from the first closure element (10) in order to open the toggle lever closure (1).
3. The toggle lever closure (1) as claimed in claim 2, characterized in that the first closure element (10) has a fastening element (101) and the second closure element (11) has an engagement portion (112), wherein the engagement portion (112) is attachable to the fastening element (101) for the articulated connection of the second closure element (11) to the first closure element (10).
4. The toggle lever closure (1) as claimed in claim 3, characterized in that the engagement portion (112) is formed by a strut element extending longitudinally along the first axis of rotation (D1).
5. The toggle lever closure (1) as claimed in claim 3 or 4, characterized in that the second closure element (11) has a pivoting part (110) and an attachment element (117) which is connected in an articulated manner to the pivoting part (110), is attachable to the first closure element (10) and on which the engagement portion (112) is formed.
6. The toggle lever closure (1) as claimed in one of claims 3 to 5, characterized in that the engagement portion (112) is extended along the first pivot axis (D1), at an oblique angle with respect to the first pivot axis (D1) or in a V-shaped manner.
7. The toggle lever closure (1) as claimed in one of claims 3 to 6, characterized in that the magnetic device (103, 103', 113, 113') is designed in order, upon attachment, to draw the engagement portion (112) magnetically into engagement with the fastening element (101).
8. The toggle lever closure (1) as claimed in one of claims 3 to 7, characterized in that a first magnetic element (103') is arranged in the region of the fastening element (101) and a second magnetic element (113') is arranged in the region of the engagement portion (112), wherein the first magnetic element (103') and the second magnetic element (113') are designed in order, upon attachment, to draw the engagement portion (112) magnetically into engagement with the fastening element (101).
9. The toggle lever closure (1) as claimed in one of the preceding claims, characterized in that the tensioning element (12) has a connecting element (120) which is fixedly connected or releasably connectable to a tension element (2) for transmitting tensile forces.
10. The toggle lever closure (1) as claimed in claim 9, characterized in that, in a closed position, the second closure element (11) is arranged with respect to the first closure element (10) in such a manner that the connecting element (120) of the tensioning element (12) and the second pivot axis (D2) come to lie on different sides of the first pivot axis (D1).
11. The toggle lever closure (1) as claimed in claim 10, characterized in that, at a location which is spaced apart from the first pivot axis (D1), the magnetic device (103, 103', 113, 113') acts in a magnetically attracting manner between the first closure element (10) and the second closure element (11) or between the first closure element (10) and the tensioning element (12) in order to hold the toggle lever closure (1) in the closed position.
12. The toggle lever closure (1) as claimed in claim 10 or 11, characterized by a latching device (105) which is designed to mechanically latch the first closure element (10) and the second closure element (11) to each other in the closed position.
13. The toggle lever closure (1) as claimed in one of the preceding claims, characterized in that the tensioning element (12) is prestressed in relation to the second closure element (11) about the second pivot axis (D2) in the direction of a preferred position.
14. The toggle lever closure (1) as claimed in one of the preceding claims, characterized in that the second closure element (11) has arms (118, 119) which are offset with respect to each other along the second pivot axis (D2) and act on the tensioning element (12) at different locations offset with respect to each other transversely with respect to the second pivot axis (D2).
15. The toggle lever closure (1) as claimed in one of the preceding claims, characterized by an operating element (13), which is arranged on the second closure element (11), for opening the toggle lever closure (1).

Images