SE1001178A1 - Locking device for swing arm bracket - Google Patents

Abstract

Locking device for swinging arm assemblies to windows, doors, shutters or the like, where a casement (5), for instance a window casement, is pivotally suspended by two mirror symmetrical similar swinging arm assemblies (6), comprising one in the one frame plate (9) articulately attached blocking device (11), which blocking device comprises a lock recess (12) arranged to cooperate with a protruding holding element (13), and where the blocking device 11 is arranged to block the movement of the casement (5) both outwards and inwards relative the frame (1) an where the holding element (13) is arranged on an outer assembly arm (7), which assembly arm (7) is articulately arranged in the casement (5). By that the blocking device (11) locks principally between frame and casement, whereby a strong blocking function is obtained.

Description

10 15 20 25 there is also a risk of crushing damage if the window can close uncontrollably.

Known solutions of the above kind are for example SE 8902843-5 where one swing arm fittings are equipped with a teddy bear latch and a separate ventilation latch.

The child lock then consists of a plate with a locking recess in the form of a guiding groove and a nose, the nose guiding a holding member in the form of a shoulder cut into the groove and the groove has a rest position for the rivet in the closed position of the window and a locking position for the window's child safety device. This solution has a separate ventilation barrier in the form of a fold-out arm, which in the child-locked position folds out and is clamped in between the window frame and the jug, whereby the window is prevented from closing involuntarily. With unfolded ventilation lock, the window is locked for movement both outwards and inwards in relation to the jug. The Norwegian NO 320116 is further based on the Swedish patent child insurance but differs from this in that an extra, deep groove in the child lock in connection with the child safety position, whereby a fixed, locked position is obtained where the window is locked in both directions. In this way, both child safety and ventilation lock obtained with one and the same detail.

Said solutions but also other constructions of the above kind are however, encumbered with fl your shortcomings and inconveniences. In fl your solutions is the location of the latch itself such that it is difficult to maneuver, that is to say it is so high placed, for example articulated attachment around the upper turntable attachment point to the corn plate. Maneuvering becomes especially difficult for some combinations of the size of the fitting in combination with the window size. It is It is not uncommon for a piece of furniture such as a desk, sofa or similar to be placed in front of the window. It is then often easy to open the window to its locked position there both child lock and ventilation lock can be active, but to then access that operate this latch at the same time as the window to release the locked position involves great difficulties. Admittedly, the maneuvering of the latch can be something better if it was fitted with, for example, an extra long operating handle or an additional actuator in a favorable position, so that the actuator movement on 10 15 20 25 one way or another linked to the barrier, but this means a more costly and complicated construction that is more sensitive to clogging and dirt with consequence that the mechanism jams.

In one of the above-mentioned solutions, the ventilation barrier consists of two details, the lock together with the child lock, which out of handling and material point of view is a disadvantage. The second solution certainly consists of one detail but has the disadvantage that it always gets stuck in ventilation mode, regardless of this is desired or not, after which the latch must also be operated to be able to close the window.

Another problem with existing barriers is that they do not engage safely when the window frame is turned to the window cleaning position. To ensure in the lock position, the window must be turned close enough to 180 degrees, which can be difficult then there are no handles accessible in this position. The intention is to lock in this position should lock by its own weight in its locking position, but often the catches tighten due to dirt and the like and the window frame must be rotated in principle to 180 degrees in relation to its closed position to force the latch into the locked position.

Furthermore, older solutions show shortcomings in strength when, for example, a deep groove, constituting the locking position, next to the nose of the lock, the strength at the nose portion deteriorates, whereby the barrier can break at greater load. However, crime is not the big thing the problem but rather the suspension that occurs in the entire fitting during application of a force on the bottom of the window frame. The force is taken by the barrier and its stop, its holding means, which is located near the center of the longer fitting arm and this constructive design means that long levers are obtained, which results in as a result of the entire fitting springing under load. This in turn leads to the window opening dimensions at the bottom edge and in the locked position under load, without major difficulties can be doubled against its childproof and unloaded position, which leads to a good safety margin to the northern permitted degree of opening 10 15 20 25 must be met to meet the safety requirements, thus limiting the real the opening at the venting position.

Disclosure of the invention The present invention achieves the object of solving the above problems in the device of the type indicated in the preamble.

Previous solutions mentioned above, have a child lock function where one ratchet / locking hook grips a holding member, usually a shoulder cut or the like.

In these older solutions, the holding means is usually placed on one of the pivot arms the lower of the two swing arms and thus it becomes possible to press out the window frame in relation to the frame despite the locked position, because the swingarm bracket itself is resilient via the swingarms. In the present the invention provides a much stronger so-called child lock or opening latch by placing the holding member on the outside of the swingarm bracket fitting arm. In the same way as in the older solutions, the barrier engages with the holding means by the holding means being guided into a locking recess, comprising a first end position for the resting position of the holding member and a second end position arranged for a combined position / instruction for child lock and ventilation lock. Through this second end position, a locking position is obtained between the one fixedly arranged in the vessel the frame plate and the outer fitting arm arranged in the window frame, without long levers and without the fitting becoming resilient relative to the locking position. The closer the holding means is placed in relation to the attachment between the outer fitting ears and the window frame, the stronger the construction with less opportunity resilience to the blocking position as a result. Furthermore, means less resilience in the fitting itself to the opening between the bottom piece of the window frame and the frame is not significantly affected by the applied force, whereby the safety margin on the opening dimension in the locking position in relation to requirements and standards, can be selected different. This leads to a larger opening dimension in the lock position / ventilation position may be permitted, and / or the freedom of choice of ventilation modes increases, ie fl er 10 15 20 25 ventilation modes are allowed if desired. Not least, it will be very difficult, not to say impossible for a small bam to push up the window and fall out. In addition, it is difficult or almost impossible for a possible burglar to push himself through a barred window.

According to one embodiment, the holding means is arranged on the window frame and thereby the locking force is obtained between the frame plate arranged in the frame and the window frame, which gives a very strong and inflexible barrier.

According to a preferred embodiment of the invention, the latch is hingedly attached to the frame plate fixedly mounted in the frame, between the attachment points for it upper and lower swingarm. In this way, the latch is placed lower in the construction and thus better accessible for maneuvering, compared to older solutions where the latch is articulated around the upper pivot arm attachment point to the frame plate. With this new placement of the latch is obtained in addition to the actual, opening dimension between the base of the arch and the frame can be increased compared to the standard permissible opening dimension, because the latch thus gripping lower on the outer fitting arm and thus also closer to it attachment point to the window frame with the consequence that the lifting that occurs between the holding means and the point of attachment to the window frame become shorter. The location is thus more favorable compared to older solutions where the barrier is stored around the attachment point of the upper turntable and too inaccessible.

In order to further increase the accessibility, in a preferred embodiment the lock has articulated attachment placed closer to the attachment of the lower swingarm in the frame plate than the attachment of the upper pivot arm to the frame plate. This leads also to make the latch grip a little lower on the outer fitting arm and thus also closer to its point of attachment to the window frame with the result that the lift that occurs between the holding member and the point of attachment to 10 15 20 25 the window frame becomes shorter. This results in a stronger teddy bear barrier compared with older solutions.

The so-called ventilation lock, which prevents the window from closing on one uncontrolled way, is in no way "automatically" disconnectable in the past solutions, but the latch must be operated in one way or another to be connected from. In a preferred embodiment of the invention, this disadvantage is solved by that the position of the holding means together with the design of the instruction in the locking recess of the latch in the second end position, which constitutes the combined position for the child lock function and the air lock function, means that the closing force, ie usually the force of the hand, which affects the window frame in an inward-facing frame movement when closing, always acts above the articulated attachment of the latch.

The location of the holding means and the design of the track instructions at the locking position, thus makes the angle, located in the direction of the force, and between the tangent to the point of attack of the closing force between the holding means and the side of the track guide, and an imaginary line between the articulated attachment of the latch, its center of rotation, and the center of the holding member in its position in the locking position, is greater than 90 °, which means that the closing force always acts above the center of rotation of the latch. Thus striving the latch automatically, during the closing movement, after being lifted out of its latch position and thus, the latch automatically becomes disengageable when a sufficiently large force applied inwards to the bottom piece of the frame. This eliminates the disadvantages that exist in the older solutions, where you have to disconnect with "two-handed grip" at the same time the latch and move the window frame inwards to close. There is an advantage to this one-handed grip also from a handicap point of view, as the window can be closed without reaching the latch for disengaging the lock.

In a preferred embodiment of the invention, one is provided automatically detachable latch by the instruction in the latch locking recess, in its second end position, which is the combined position of the child lock function and 10 20 25 ventilation barrier fi action, sufficient ground is made, whereby the closing force, i.e. usually the force of the hand, which affects the window frame in an inward-facing frame movement when closing, always acts above the articulated attachment of the latch. This becomes possible by adjusting the groove depth on this instruction where the groove depth then is made smaller than the transverse seam of the holding member, ie the transverse dimension or raise it on that part of the holding means resting in the track guide in the second end position, the combined the mode for the teddy bear lock function and the air lock function, however, it is overall design well tested so that a satisfactory ventilation barrier is obtained.

Preferably, the holding member has a circular cross-section, where then the cross-member of the holding member in that case is the same as its diameter. Thus a ventilation barrier is obtained, which does not mean a completely fixed locked position but which is automatically switched off when one sufficient force is applied inwards to the bottom of the frame. They eliminate this previously mentioned disadvantages found in the older solutions, where one with "Two-hand grip" at the same time must disengage the latch and bring the window frame inwards to close.

In a preferred embodiment, the second end position, the combined position for the bam lock function and the ventilation lock function, the shape of an open semicircle. Preferably, the holding member has a circular cross-section, and the shape is preferably coordinated with the semicircular shape of the other end position. The holding organ location and the semicircular shape of the other end position, where the depth of the other the end position is also slightly smaller than the diameter of the holding member, makes that the closing force, ie usually the hand force, which affects the window frame in a counter the frame inward movement when closing, always acts above the hinges of the latch attachment, whereby an automatically detachable ventilation lock is obtained. However, is the overall design well tested so that a satisfactory ventilation barrier obtained. 10 15 20 25 According to a further preferred embodiment of the invention comprises the locking device a spring, mounted and clamped around the center of rotation of the latch.

The spring is arranged to force the latch to lock by clamping it the spring force wants to rotate the latch in the direction of the holding means, and when the holding means, during the movement of the window frame, comes to the locking position snaps the locking in towards holding means and then partially encloses the same. Adjacent to the barrier there is one stop heel which is fixedly arranged in the frame plate, and which stop heel restricts the movement of the barrier to operate within a predetermined area.

The spring force also gives the advantage, compared to older solutions, that the latch locks earlier about the holding means both in the frame locking / ventilation position of the arch and in its position reverse position, when the window frame is turned half a turn, for example at window cleaning. This avoids the common problem in older solutions that the window frame, almost must be turned fully to its l80-degree position to the latch must engage the holding means. It is difficult to get a grip on the window and turn it around to almost 180 degrees relative to its closed position. The latch in the new solution snaps into a previous position which means that the window does not have to be swung around as much to achieve locking of the window frame at its inverted position. Furthermore, it is possible through the spring to choose how slow it should be to close the window from its ventilation mode by bias the spring differently. In addition, a clear snap sound is heard when the latch goes in the locked position about the holding means, which also makes it easier for the user.

As the combined locking position (teddy bear lock / ventilation lock) does not allow appreciable e fi ergivness in the actual fitting, it is possible to choose one permitted opening dimension between the bottom piece of the window frame and the frame, which is equal to or very close to what is allowed, and not as in older solutions with a good margin to the allowable measure. This also opens up the possibility of introducing fl era ventilation positions between the outer positions for closed and locked position. In a preferred embodiment therefore comprises the locking recess of the latch two or fl your instructions 10 15 20 25 between the outermost combined child restraint / ventilation mode and the innermost the resting position of the holding member. These instructions are like the ultimate combined locking position, shallow, to allow automatic disconnection at closing or at opening to a greater desired degree of opening or to the child lock position. Here too it is advantageous that the latch is provided with a spring which acts to hold the latch against the holding member in the different positions with a predetermined force, but it is no necessity for the function.

In order to be able to open the window more than in the child lock position, the lock must be on one or otherwise disengaged from its locking position while the window frame is brought in outward movement in relation to the frame, whereby the holding means is allowed to leave the locking recess. IN a preferred embodiment of the invention comprises the latch one actuator, which is preferably a lever fixedly mounted on the latch any length. The actuator is arranged to turn at an applied compressive force the latch so that the hook / nose is lifted, whereby the latch with its latch instruction leaves the holding means. By simultaneously moving the window frame outwards, the holding member leaves the locking recess and the window frame can continue their movement outwards, either to a larger one opening or to be turned about half a turn to get to the position of to for example window cleaning or the like. If desired, there is the mode for operation of the latch should be placed lower on the side of the barrel, it is full possible to. move the actuator further down along the frame and via link devices for surface movement of the actuator to the latch. This might be desirable in some applications, such as handicapped accessible applications and the like.

According to a preferred embodiment, the locking device comprises the latch and closer determined its locking recess, a first guide lug between the first end position / rest position for the holding means and the second end position / locking position, which is the first guide lug arranged to initiate a rotational movement of the latch when the arc with its latch moves in 10 15 20 25 10 direction to the rest position, which is the closed position of the window. Then the holding member in relation to the latch is moved in the direction from the latch position until the sleep position is started a rotational movement of the latch in the upward direction, relative to the holding means, and the window, in that the locking recess has a designated first guide lug which lifts the latch when the holding means passes this first guide lug. The rotational movement then continues on due to the fact that the latch has a rounded side which faces the core and reaches the latch comes into contact with the frame, the rotational movement of the latch continues until the rest position for the latch, and thus also for the holding member, is assumed. This is advantageous in relation to older solutions where the rotational movement only begins when the latch takes in the frame, which increases the friction between the fitting and the frame with increased wear as a result.

According to a preferred embodiment, the locking recess of the latch comprises a second guide lug between the first end position / rest position and the lower of the guide surfaces to the locking socket. The guide surfaces are located on each side of the locking recess opening and are arranged to guide the holding member into the locking recess. This other guide lug is arranged to turn the latch so that the holding member, in its movement from it the first end position / rest position to the second end position / lock position, will land in it second end position / lock position. This is advantageous because the latch passes through it control certainly engages the retaining member even if the embodiments do not would include a fi vein function, which was described above, or that the spring function would stop working for some reason.

In a preferred embodiment, the latch includes a stop side, below it the lower guide surface, i.e. below the opening of the locking recess. When the locking device works properly, the latch is in such a position that the guide surfaces, which are located on either side of the opening of the locking recess, guide in the holding means in the locking recess, the combined teddy bear lock / ventilation lock comes into operation as previously described. To ensure that the user 10 15 20 25 11 pay attention if the lock for some reason would not work, it wants say that the latch has ended up in a position where it cannot come into operation, is prevented the closure of the arch if the latch is stuck in an upright position, for example due to dirt or the like, preferably at the hinged attachment of the latch. By the holding means hits the stop side of the latch, i.e. below the lower one the control surface, it is not possible to close the window completely and thus pay attention the user on the problem and is given the opportunity to fix the problem if it is possible. This also means that if the window can be closed, the latch works as intended, which provides increased operational security.

In a preferred embodiment, the locking recess of the latch comprises an area in which the holding means is insertable from the side, i.e. approximately perpendicular to in relation to the distribution area of the barrier. This is to further guarantee that the latch works if the window can be closed. This additional security works in such a way that if the arch for some reason is not centered in the frame at closing, and this causes the holding member, when it moves towards the lock, misses the latch laterally, that is, passes next to the latch, comes the holding means still to be inserted into the locking recess of the latch, but then substantially from the side, that is, perpendicular to the latch and the locking recess. In the arch's almost closed mode or completely closed mode, there is no other option for the latch than to enter in the locking recess and thus the locking functions also work in these cases.

To ensure that the latch does not slip off the holding member due to a lateral movement of the arch comprises the holding means, in a preferred embodiment, a collar at the free end of the holding member, the opposite end relative to it end fixedly mounted in the outer fitting arm. This collar prevents the latch to slide off the holding member in the direction of its free end. 10 15 20 25 12 According to a further preferred embodiment, the locking device comprises another latch, that is, both are mirror-symmetrically equal the respective core plate of the swingarm fittings comprises a catch with the corresponding holding means placed on the respective outer fitting arm. In this embodiment, the placement of holding members and corresponding barriers, mainly in height, different on respective core plate, the advantage being that the total number of barrier and ventilation modes are extended. Within the scope of the invention, it is also understood that the number does not limited to one latch per complete window, nor one latch / one holding member per core plate, without the number of barriers / holding means it is quite possible to expand depending on needs.

In a preferred embodiment, the two comprise mirror symmetrically equal the respective arm plate of the swing arm fittings each has a catch with the corresponding holding means, but where each barrier has different distances between its respective storage point and the second end position / lock position. Thereby, that advantage is achieved that the total number of latches / ventilation positions is increased and can be varied as needed.

Brief description of the figures In detail represents in diametrical, partly schematic cross-sections or perspective views: Fig. 1a and 1b show sections of a complete window with jug and one window frame in open position and locked position respectively.

- Fig. 2a-2c show detailed pictures of swingarm fittings, catch and holding means.

The constructive design of the present invention is described by the following detailed description of embodiments of the invention with reference to the accompanying urer gures showing a preferred, however, not limiting embodiments of the invention. Also for the state of the art in the field further in various respects. This 10 15 20 25 13 realized in the present invention by a device of the following the type described is essentially as described in the characterizing article part of claim 1.

Detailed description of the figures Fig. 1a shows a section through a complete frame 1 which comprises a lower part 2, an upper part 3 and two side parts 4. In the side parts a window frame 5 is pivotable suspended by means of two mirror-symmetrically equal pivot arm fittings 6 comprising each an outer fitting arm 7, the lower part of which is articulated, with a hinge pin 25, to the window frame 5, near the center of the side portion of the frame. Further the pivot arm fitting 6 comprises an upper pivot arm 8 which is at its upper end articulated attached to the upper end of the outer fitting 7. The lower end of it the upper pivot arm 8 is also hingedly attached to a, fixedly fixed in the frame, frame plate 9. The pivot arm fitting 6 further also comprises a lower pivot arm 10 which is also hingedly attached to the upper end of the outer fitting 7, but below the attachment of the upper pivot arm 8. Furthermore, the lower swing arm 10 also hingedly attached to the lower end of the frame plate 9. Between the swingers attachment points to the frame plate 9 are a latch 11 hinged and preferably the attachment point is located slightly closer to the lower one attachment of the swingarm 10. On the outer fitting arm 7 is also a holding member 13 arranged preferably below the center of the outer fitting arm 7. This holding means is preferably a shoulder section or the like and the latch 11 is arranged to grip the holding means 13. According to the clock, the window is in a position where the latch 11 is not is in engagement with the holding member 13 but opened to a greater degree of opening. In this position, the window is not blocked for movement but pivotally movable around its joints either inwards towards the jug to the locked position or further to the closed position alternatively continued movement outwards towards a greater degree of opening or to a reversed position (180 degrees) for window cleaning or the like. Furthermore, can be found at the top of each one of the side pieces of the frame 5 a sliding shoe 23 which is arranged to run in a groove 10 15 20 25 14 24 during the rotational movement of the arc. The upper part of the arch 5 thus moves according to a linear movement along the side parts 4 of the frame, while the bottom piece of the frame 5 follow a circular path between its closed position and its reverse position.

Fig. 1b shows the frame 1 with the window frame 5 in its locked position, which is one combined mode for teddy bear locking and ventilation. The child lock mode means that the frame 5 is blocked for outward movement relative to the frame 1 and is a fixed one position against outward movement, which is a safety requirement according to current nuns. IN this position has the latch 11, via a recess accommodated in the latch, locking recess 12, come into engagement with the holding member 13, in that the locking recess 12 comprises a end position, an instruction, arranged for the holding means 13. Details of the latch ll is shown in Figure 2b. Safety regulations indicate a maximum measure of the distance between the bottom piece of the frame 5 and the frame 1 and according to Swedish standards, this dimension is 100 mm.

According to the preferred embodiment, the child lock mode is combined with a position for ventilation, which means that the window frame 5 is also more or less prevented from moving inwards towards the frame l. This to prevent the window to close in the event of wind load, pressure changes or the like, and so on cause accident risks or unwanted closing of the window. Further details of this can be seen from the description of the latch in Figures 2a-c.

Fig. 2a shows a complete swingarm fitting 6 in detail.

The swing arm fitting 6 comprises the outer fitting arm 7 which is hingedly attached to the arch 5 (not shown), by means of the hinge pin 25, which is hingedly attached to it lower end of the outer fitting arm 7. The outer fitting arm 7 is 10 15 20 25 15 preferably a plate-like plate detail with a bent or folded edge, there the outer surface of the edge is arranged to live with the outer surface of the arch when the window is closed location. On this outer fitting arm 7, the holding member 13, preferably a shoulder section, fixedly mounted, preferably on the lower part of the outer fitting 7.

At the upper end of the outer fitting arm 7 the pivot arms 8,10 are articulated.

The upper pivot arm 8 is articulated at the top of the outer fitting arm and just below the upper pivot arm 8, the lower pivot arm 10 is articulated attached. Furthermore, the pivot arm fitting 6 comprises the core plate 9 which is fixed arranged in the side part 4 of the frame (not shown), and which core plate 9 at its upper end includes a hinged attachment of the upper pivot arm 8 and at the lower end of the frame plate 9, the lower pivot 10 is articulated. Between the attachments in the core plate, the latch 11 is articulated, and around the latch attachment is a spring 17 clamped. The spring grips the latch in such a way that it clamped capercaillie force wants to turn the latch in the forward / downward direction relative to placement of the latch in the frame and the arch, in order to force the latch into engagement about the holding means 13 when this is guided in the locking recess 12 of the latch the latch 11 does not engage the holding means 13, but this is shown in Figure 1b. The latch 11 also includes an actuator 18, which is preferably one on the latch fixedly arranged lever. In connection with the latch 11 there is a stop lug, no visible in figure, which limits the rotational movement of the latch forwards / downwards.

Figure 2b shows the latch 11 in detail in the preferred embodiment.

The latch 11 has a plate-like appearance and is preferably punched out sheet metal detail, but can for that matter just as easily consist of plastic or other suitable material. The latch 11 has a rounded side 21, which faces the frame side of it complete the frame construction and furthermore also a rounded shape at the side that facing the arch 5 or the outer fitting 7 with its holding means 13. Further. this side also includes guide surfaces 14 on each side, preferably punched out, the locking recess 12 in the latch 11. These guide surfaces 14 are arranged to 10 15 20 25 16 guide the holding means in the locking recess 12, when moving the arch 5 in the direction of the core The locking recess 12 comprises a first end position 15, which is a rest position for the holding means 13, at the closed position of the window, and a second end position 16, which is a mode for the combined child lock function and the air lock. Between the end positions, at the upper side 28 of the locking recess, there is a sliding surface 26 between the end positions.

The sliding surface also comprises a first guide lug 19 which causes the latch to start one lifting and rotating movement when the holding member 13 passes the first guide lug 19. The opposite, lower side 29 of the locking recess also comprises a sliding surface arranged for the sliding / guiding member of the holding member and this sliding surface comprises a second guide lug 30, arranged to guide the holding member 13 up against the upper sliding surface by the surface is pivoted in the direction of the upper sliding surface 26. The second end position 16 is one instruction, which is basic with respect to the side facing the first end position and against the sliding surface. The guide has a depth D in relation to the sliding surface 26, which dj up is less than the transverse dimension H of the holding member 13. This transverse dimension is preferably the same as the diameter of the holding means if the holding means has one circular cross section. The instruction / the second end position 16 can in itself just as easily have side edges with a certain slope instead of being in shape as according to the figure of an approximately semicircular arc. The opposite side in relation to it the shallow edge, the side facing the guide surfaces 14, has a high edge which forms a "nose" or chin. The latch 11 also comprises a recess 27 for articulated mounting to the frame plate 9 and the actuator 18, arranged to operate the latch 11 by pressing it in the direction of the arc 5, wherein the latch 11 is disengaged relative to the holding member 13, and the latch function is disengaged.

Figure 2c shows the holding member 13 in detail.

The holding member 13 is preferably a shoulder section with collar 33 at its outer, free End. The holding means is fixed at its other end on the outer fitting arm 7, preferably on its lower half. The transverse seam H of the holding member is preferably larger is the depth D of the second end position and furthermore the length of the holding means 13 must be slightly 10 15 20 25 17 greater than the thickness of the latch 11, to allow the latch to access grip the holding means 13.

Summary of the function according to the preferred embodiment With the arch 5 in the initial position, the closed position of the window, start at opening, the outward movement of the arch relative to the core 1, after disengaging the lock with the window handle (not shown). This starts the holding member 13 for fl surface from the first end position 15 in the direction of the second end position 16, wherein the holding member slides along either of the two sliding surfaces to then reach the other the end position 16, which is the combined position for child lock and ventilation lock.

In this outward movement, it is primarily the teddy bear latch that engages and since the latch 11 has a high shoulder side, a "nose" is stopped by the pouring member movement outwards and thus also the movement of the complete arch 5. In that the latch 11 is spring-loaded, via the spring 17, the latch strives to enter engagement with the holding member 13 which thereby occupies the second end position 16. A secure Bam lock function has thus been achieved because the movement of the arch 5 is now hindered to continue its outward movement. The spring 17 improves the function and provides a clear snap sound at the correct lock position, but the lock function works even without the spring due to storage and control through the design of the locking recess. If one wishes to continue the outward movement of the arch 5 to open the window more, must the latch 11 is disengaged from the holding means 13 by means of the operating means 18, which is then pressed in the direction of the arch, whereby the catch is lifted by the holding member and the arch can be pressed outwards.

If the movement of the arch 5 starts in the open position of the window where the arch is in one position completely outside the latch and latch positions and then continue in the direction of basin 1, to the fully closed position of the window, the following will in turn be occur. The spring-loaded latch 11 is arranged in this position and in position to automatically guide the holding means 13 into the locking recess 12, when locking and holding means 10 15 20 25 18 come into contact with each other. When the holding means 13 enters the locking recess 12 snaps the latch 1 1, due to spring 17, down towards the holding means 13 and comes in engagement with the same and the holding means 13 is thus in the other end position 16. If you want to continue the movement of the arch until closed position, it is just to continue to apply the inward force to the bottom piece of the arc, wherein the catch 11, at sufficient force, is lifted off the holding means 13. This becomes possible as instructed, the second end position 16 is shallow at the holding side against the force, as described above. According to the preferred embodiment sprung spring collar till a to proven force for adaptation to a selectable sluggish resistance. Even without spring 17, the instruction itself gives a certain resistance. When the holding means 13 then leaves the second end position 16 and is moved in the direction of the first end position 15 passes the holding means 13 optionally one or more basic instructions, (not shown in this embodiment), which then only work as additional ventilation modes. Then the guide lug 19 is passed, which sees until a lifting of the latch 11 is started. At the holding member 13 continued for movement, the latch 11 is rotated towards its rest position to the nearest vertical position and finally, the holding member 13 assumes the first end position 15. The rotational movement of the latch achieved by a combination of the control in the locking recess and in the latter part of the rotational movement, the rounded outside 21 of the latch 11, which takes in the frame and helps to complete the Rotary Movement.

In the second end position 16, the combined position for child lock and ventilation is the ventilation function is active to the extent that either only via the instruction itself or in combination with the spring 17 there is a restraining force which complicates the movement of the arch 5 towards the frame 1. This force is adjustable by means of the spring 17 and due to the fact that the instruction is basic, the ventilation lock becomes automatic disconnectable, simply by overcoming the restraining force, to »Unlike other solutions, which is a clearly user-friendly function. As previously indicated, it is quite possible to sound within the framework of the idea of invention 10 15 19 the ventilation modes be fl your in number.

If for some reason the latch 11 would not be in the correct position at closing the window, for example due to dirt, so that the latch 11 jams, and when the latch is in the upright position, the holding means 13 comes, at the arch 5 closing movement, strike an abutment side 31 of the latch 11, below the opening to the locking recess 12 and then the window cannot be closed completely. In this way indicates that the latch is not in full function, which makes it so self-regulating for the user to check that the child lock is working. Thus it becomes an extra security that points out that if the window can be closed, it works the teddy bear lock function.

In the reverse position of the window, for example when window cleaning is to be performed, is the same functions as above. An advantage is then that the spring 17 just like at the normal position ensures that the latch 11 grips in principle directly when the holding means 13 enters the locking recess 12, which means that the locking takes place slightly before full rotation of the arc 5 to 180 degrees in relation to the closed position of the arc. 10 15 20 1 = frame 2 = lower part of the frame 3 = the upper part of the tub 4 = side parts of the frame 5 = arc 6 = svängarn1sbes1ag 7 = external fitting 8 = upper swingarm 9 = karmp1atta 10 = lower swingarm 1 1 = lock 1 2 = 1 year 13 = hå11organ 1 4 = guide surfaces 15 = first end position 16 = second end position 1 7 = spring 20 BOME LIST 1 8 = actuator 19 = first strength clack 20 = stopk1ack 21 = rounded side 22 = articulated fastening 23 = g1idsko 24 = track 25 = 1edtapp 26 = g1idyta 27 = urtag 28 = upper side of the locking recess 29 = 1 side of the recess 30 = second guide lug 3 1 = ans1agssida 32 = boar advice 33 = collar

Claims (17)

10 15 20 25 21 PATENT REQUIREMENTS Locking device for swingarm fittings for windows, doors, shutters and the like, where for example the window consists of a frame (1), with a lower part (2), an upper part (3) and two side parts (4) in which side parts an arch ( 5), for example a window frame, is pivotally suspended by means of two mirror-symmetrically equal pivot fittings (6), each comprising an outer fitting arm (7), the lower part of which is articulated to the frame (5) near the center of the side parts of the frame and the outer fitting arm (7) the upper part is hingedly attached to the upper end of an upper pivot arm (8), which pivot arm in its second, lower end is pivotally attached to the upper end of a core plate (9) arranged in the core, and to the lower end of the core plate (9) the lower end of a lower pivot arm (10) is hingedly attached, and the upper end of the lower pivot arm (10) is hingedly attached to the upper part of the outer fitting arm (7), but below the attachment of the upper pivot arm (8) to the outer the fitting arm (7), and further the locking device comprises at least one in one frame plate (9) articulated fastening latch (11), which latch comprises »a locking recess (12) arranged to cooperate with a preferably perpendicular, towards the outer fitting groove (7) and its flat projecting holding means (13), and where the locking recess ( 12) comprises upper and lower guide surfaces (14) on both sides of the locking recess (12), arranged to guide the holding means (13) in the locking recess, and that the locking recess comprises a first inner end position (15), closest to the hinged attachment (22) of the latch, for the rest position of the holding means (13), at the closed position of the window, and a second end position (16) for the holding means (13), arranged to block the movement of the arch (5) both outwards and inwards relative to the core (1), characterized in that the holding means ( 13) is arranged on the outer fitting box (7). Device according to claim 1, characterized in that the latch (1 1) locks between the jug plate (9) and the frame (5), in that the holding means (13) is arranged on the frame (5) - 10 15 20 25 22 Device according to Claim 2 or 2, characterized in that the hinged attachment (22) of the catch (11) to the jug plate (9) is located between the attachments of the upper pivot arm (8) and the lower pivot arm (10) in the core plate (9). Device according to claim 3, characterized in that the articulated attachment (22) of the catch (11) is located closer to the attachment of the lower pivot (10) to the frame plate (9) than the attachment of the upper pivot arm (8) to the frame plate (9). Device according to one of Claims 1 to 4, characterized in that the position of the attachment point of the holding member (13) on the outer fitting groove (7) together with the design of the groove guide of the second end position (16) is arranged so that the angle (u) is located in the direction of the force and between the tangent to the point of attack of the closing force (F), between the holding means (13) and the groove side of the second end position (16), and a line between the center of the lock (11) and the holding means (13) the holding means (13) is in the second end position (16) and closing of the arch (5) is started, which means that the closing force (F) always acts above the articulated attachment (22) of the lock (11). Device according to one of Claims 1 to 5, characterized in that the groove depth (D) of the second end position (16) is smaller than the transverse seam (H) of the holding member (13). Device according to one of Claims 1 to 6, characterized in that the second end position (16) has the shape of an open semicircle. Device according to one of Claims 1 to 7, characterized in that the locking device comprises a spring (17) which, by means of clamped spring force, is arranged to force the lock (11) against its locking position relative to the holding means (13), the lock engaging the holding means (13). 10 15 20 25 23 Device according to one of Claims 1 to 8, characterized in that the locking recess (12) of the latch comprises änd your end positions / latch positions arranged between the first end position (15) and the second end position (16). Device according to one of Claims 1 to 9, characterized in that the catch (11) comprises an actuating means (18), arranged to expose the catch (11) from the engagement with the holding means (13). Device according to one of Claims 1 to 10, characterized in that the locking recess (12) is arranged with a first guide lug (19) between the first end position (15) and the second end position (16), which first guide lug (19) is arranged to start the rotational movement of the latch (11) towards the rest position, i.e. the position of the holding member (13) in the first end position (15), when the holding means (13) is moved from the second end position (16) towards the first end position (15). Device according to one of Claims 1 to 11, characterized in that the locking recess (12) comprises a second guide lug (30) between the first end position (15) and the lower one of the control surfaces (14), which second guide lug (30) is arranged to control the rotation of the latch (11) when the holding member (13) is moved from the first end position (15) towards the second end position (16), so that the latch (1 1) engages the holding means (13) in the second end position ( 16). Device according to one of Claims 1 to 12, characterized in that the catch (11) comprises a stop side (31), below the lower one of the guide surfaces (14), which stop side is arranged to prevent the arch (5) from assuming its fully closed position. against the jug 1 if the locking function has not had the opportunity to take effect due to the lock being stuck in its rest position for some reason, in an upright position, by the holding means (13) during the closing movement and with the lock (1 1) in this position, hitting the stop side (31), the lock preventing the continued closing movement of the arch (5). Device according to one of Claims 1 to 13, characterized in that the locking recess (12) comprises an area (32) arranged between the first guide lug (19), the second guide lug (30) and the first end position (15), which means is coordinated with the size of the holding means (13) so that the holding means is insertable in this area, from the side, almost perpendicular to the surface of the latch (1 1). Device according to one of Claims 1 to 14, characterized in that the holding member (13) comprises at its outer, free end a collar (33) which prevents the catch (11) from sliding off the holding member (13) in the direction out of the holding member. Device according to one of Claims 1 to 15, characterized in that the two mirror-symmetrically-shaped pivot fittings (6) each comprise at least one latch (11), arranged on the respective frame plate (9), and that the location of the respective latch (11) and cooperating holding means (13) are different on each frame plate (9), the total number of clamping positions increasing. Device according to one of Claims 1 to 16, characterized in that the two mirror-symmetrically equal pivot arm fittings (6) each comprise at least one catch (1 1), arranged on the respective frame plate (9), and that the distance between the respective catch (11) rotation center and second locking position (16), are different on the lock of the respective frame plate (9), whereby the total number of locking positions increases.