TR201807280T4 - Opening limiting device. - Google Patents

Abstract

The invention relates to an opening limiting device for a window arrangement (1) having an opening limiter having a slider (17) moving at the joint of the window arrangement and a limiter arm (13) articulated with the slider (17). According to the invention, the opening limiter (7) has an adjustment body (12) having a longitudinally movable rail (16), which can be arranged at the joint of the window device (1) and the slider (17) moves on the guide body (12) rail (16). and is able to move through the adjustment path towards the adjustment body (12).

Description

DESCRIPTION OPENING LIMITATION METHOD The invention is a window arrangement according to the general definition of claim 1 relates to an opening restriction device for

Opening restriction devices are used on windows, especially used in public spaces such as kindergartens.

Where the mechanism is located over the opening limiting mechanisms the window does not open too much for security reasons should be provided.

Opening restraint devices of the type specified as a rule lockable.

In this case, the window sash frame is set to the maximum of the slider. until the position where the opening of the adjustment path is limited is reached. Opening an opening with a unlock limiter and a lock. The limiting device is known from EP 2 107 194 A1.

The disadvantage of the known unlocking restriction device is that the lock to which position during installation on the window sash frame. It is necessary to pay attention to the installation.

The mounting position is the abutment of the slider and with it maximum adjustment path to the opening limit position determines.

Unlocking is limited if the lock is not properly installed. either a very large or a very small gap appears in the position.

For limiting the closing movement of a door body, a apparatus is known from EP 2 060 715 A2.

In this setup, a sliding piece is placed longitudinally in the sliding sled. is moving.

Inside the sliding piece, through which a compression bar passes. An uninterrupted forwarder is envisaged.

Pinch bar and slider in the opening limiting position piece, a compression. plate. and compression. between the bar it is blocked by the compression effect, so that the door movement of the body in the closing direction is prevented.

From GB 2 274 676 A, window leaf joint movement advancing longitudinally of a adjusting body of a slider capable of arranged on the rail and articulated with the limiting arm An opening limiting device to which it is connected is known.

A fastening device of the slider in the form of a lock locking the window leaf in one position with the help of so that the window sash is correctly positioned in the opening and closing position. It can be secured against movement.

EP 2 113 623 A2 for limiting the tilting movement. a relates to a tilting window with a mechanism.

The mechanism can be slid longitudinally at the window leaf joint. regulated, to different positions via a joystick It has a movable drawbar.

For ventilation, a propeller wedge protruding from the drawbar realized by progression along the window frame platform A nervous tilting motion is applied.

The aim of the present invention is to locate exactly where the opening is restricted. to open the type specified in the entry, which can be set to is to create a restraining mechanism.

In accordance with the invention with the features of claim 1 for the stated purpose, with an opening limiter of the specified type has been reached.

Adjustment body window for a sliding device according to the invention arranged in the wing frame and a fastening device to a location where opening through can be fixed and locked.

The fastening device is connected to at least one manually operated button. has.

This can be foreseen on the outside of the window leaf frame.

In principle, for a childproof lock two buttons, for example push-button type, with sufficient distance predictable Fixing the adjustment body via buttons or knobs or a keyway that allows it to be locked is left.

Thanks to the adjusting body rail, which has a certain length the adjustment path up to the opening limit position is exactly it can be certain.

The setting path and the exact position with which opening is restricted is only to the adjusting body and slider unit arranged in the joint connected and a lock or other fastening device not tied to order.

With the slider, a lock or other fastening device act together.

To the adjusting body of the slider, which is connected with the limiting lever adjustment body of the window, with the possibility of relative movement to be closed without moving. of the window leaf. open up It is possible to move from the position where it is limited is happening.

Here the adjustment path is at least that of the slider in the adjustment body. the position of the window frame sash where the opening is limited of the window frame sash from an equivalent rear end position that it will move to a front end position equivalent to the closing position. is created in this way.

Of course, movement in the opposite direction is also possible.

Adjusting the length of the adjustment path and/or the adjustment body is particularly advantageous.

In this way, the window sash spacing can be enlarged according to the need. or downsizing is possible.

Here it is possible to extend the adjustment body structurally or it is envisaged that it can be shortened, as a result of which the fixed setting the movement angle of the window leaf can be increased in the body or can be reduced.

The tuning body for structural configuration is a 'preset body' has a section Here is the preset body section and the rail that moves on the slider can be adjusted towards each other in the longitudinal direction.

Both adjustment body sections arranged towards each other, that is, the adjustment of the rail with the preset body section is preferably particularly a manually operated tuner located in the preset body section takes place over the spindle.

The rotatably mounted shaft is preferably mounted on the shaft. with an advancing, longitudinally movable adjustment element act together.

The rail is connected with the actuator so that the adjuster of the shaft movement and with it the adjustment of the rail movement.

Up to ± 20 mm in a preferred configuration, especially preferably between ± 5 bis ± 15 mm and especially about ± 10 The relative movement of the slider to the adjustment body an end stop on the rail for limiting is foreseen.

In terms of the relative movement of the slider to the rail Invention is preferred to achieve a fixed slider last stop of the slider in a configured configuration It is envisaged that it can be locked with

The fastening device is a locking wedge of the fixing device. control via a key to release It has a removable lock.

Here the keyway can be locked with the unlocking limiter.

Here, the lock is preferably locked when the key is pulled out. the wedge will move outward and the cylinder lock will it is made to come out over the housing, here the lock key inwards with a closure only when the key is inserted towable I i r.

This is mainly after the window sash is released. Fully opening of the window sash with the lock control has the advantage that it is possible, where cleaning or maintenance reopening is limited after the work is completed window sash to turn it into a closed position It is sufficient to turn it off.

There is no need for a separate lock control for this.

When the window leaf moves from open position to closed position the key is set to the position where the opening is limited When reached, the opening limiter is locked in.

To reach this position, with the key control of the lock to turn it off and have someone with the key with it it's not necessary.

Thus, the person performing the maintenance or cleaning work the window sash to the position where reopening is limited you can bring This is because the key comes out with the key pulled out. and the sash moves out of the locked position where opening is limited. moves, the opening limiter is in the spring lock key possible as it locks itself again when it moves. is happening.

Other type of fastening of the specified function of the locking wedge also in their assemblies, i.e. without a pull-out key it is also possible.

In this case, lock the key function in the same way. scissors a fastening device control element that affects undertakes.

In the structural configuration of the invention, the trip limiter, setting beside the body and the limiting arm, the window assembly for editing in the window frame and for mounting there It has a prescribed frame slot.

Preferably window sash for adjustment body sliding arrangement is envisaged in the frame, where the limiting arm is framed connects the bearing and the adjusting body or slider. The fixed arrangement of the frame bed and the frame bed window leaf on the basis of its connection with the limiting arm to the window sash frame when opening or closing. Also at the joint of the window frame of the adjustment body It should be noted that it can be attached to the frame bearing window Locking wedge of fastening device with opening limiter adjustment body for creating a lock connection between key wedge. on the extending side, after the keyway is locked then preventing the adjustment body from moving in the longitudinal direction, especially it has a closed lock hole.

At least one abutment curve in the direction of travel to the lock hole is arranged.

Depending on the function of the opening limiter and the structure of the lock hole a bearing curve on the adjusting body in both sliding directions according to editable.

From the open position of the window sash to the closed position, the adjustment making a bearing curve in the direction of movement of the body particularly preferred.

Here, the adjusting body of the lock hole is transverse to the sliding direction. It is particularly advantageous if it is made as a long hole arranged is happening.

This long hole is used in the longitudinal sliding movements of the adjusting body. safe, even when small transverse movement is concerned. provides locking.

In addition, other mounting of the lock and/or unlocking limiter positions can also be realized.

Inventive opening restriction device specific window It is not limited by its types.

Inventive opening restriction device in general It's not limited to windows either.

It can also be used on doors.

Long hole width at least usually key It is advantageous that it is suitable for the diameter of the at least usually a gap in the locking key freedom occurs.

Similar to the slider, the adjusting body for the adjuster body an end bearing in the form of an end bearing is foreseen.

This fulcrum is instead of the fold of the window arrangement. has been arranged.

In this respect, it is set to have a defined end position. locking the body with the last bearing is provided. Slider or adjustment, especially with the last stop the body is connected by the lock connection between the end bearing as the holding force of the lock connection can be adjusted. Depending on the desired usage situation, the lock connection for creating or unlocking the lock connection force can be changed accordingly.

Preference for adjusting the holding force of the locking link in a configured configuration, the last abutment and/or the bearing has a retaining shaft with an elliptical retaining head it is envisaged that the rotational position of the holding head adjustable.

Thus, stepless adjustment of the holding force is provided.

The grip head will have the smallest width in the direction of travel. designed to lock onto the holding head when turned in lock levers so that a very low holding force they are slightly pressed outward from each other.

However, the maximum width of the holding head If it turns in such a way that it will be obtained, the lock levers must be properly Maximum holding force is obtained by opening it.

Window sash rotation for certain application states It is possible to brake its movement.

For this, according to the invention, the invention is a preferred a setting in particular, edited to the slider in its configuration a braking force with adjustable braking force via the spindle arrangement is foreseen.

On the basis of the arrangement of the braking device on the slider, a relative to the adjusting body of the side slider or the rail movement is braked, on the other hand, the total of the adjusting body movement is braked, because in one movement of the adjusting body The slider, which is placed on the adjusting body rail at the same time, is also moves together. Braking in a particularly preferred structural configuration The assembly has an adjustable tool body and slider. of the tensioning body, made of a flexible material It has a tensioning body slot for insertion.

Preferably the tensioning body has at least one conical outer side, wherein the clamping body seat has at least one conical interior it could be.

Interlocking both the tensioning body and the tensioning body slot It is especially preferred that it has compatible parties.

In any case, the clamping body and/or the clamping body socket due to its conical shape, the clamping body slot is flexible. tensioning body of at least one wall of tensioning material is pressed out according to its position.

If the opening limiter is fitted, the tensioning body slot pressed outward rim of the window sash frame acts on a corresponding forwarder or rail in place so that there is a friction effect and with it the desired braking In this context, a tensioning body is placed on the slider. acting together with the spindle so that the clamping body seat function as a movable adjusting element that can slide longitudinally in is particularly preferred.

In addition, the present invention includes a window frame, a window a* window leaf with a leaf frame. and specified a window with an opening restriction device of the type relates to the layout. Restricting earlier opening in this context The specifications described in relation to the device are properly in a window layout fitted with a pop-up restriction is also foreseen.

For this reason, references are made to existing applications.

Restrict opening in relation to window layout especially in the lower area of the window leaf frame. It is intended to be, where the fastening is the window It must be able to be controlled from the inside of the wing.

Fixing button or. as push-button assembly another one to create a childproof lock if it has been adding another type of mechanism regulated to the side predictable I i r.

Window for external transmission on slider outside A transmission element can be provided at the joint of the arrangement.

The slider is a braking mechanism on the slider as needed. where a slot will be provided for editing and/or in the slider on the bottom, an adjustment body rail as needed. of a stepped forwarder for regulating the slider It is made modular as foreseen.

This is a configuration slider that does not have a special function. allows it to be used in conjunction with the opening limiter. In the simplest case, there is a joint in the slider window layout. it can slide to the forwarder.

The slider is generally placed on a braking device. It is made in such a way that it can be made or mounted.

This is the braking mechanism described earlier.

The braking device can also be constructed in another way.

In any case, the corresponding braking system of the braking device A slot in which the mechanism is located is required.

Also, the slider preferably has a stepped forwarder on the bottom. so that it can be fitted to the rail of an adjusting body when necessary. editable.

Stepped forwarder, adjusting body of slider from high area It is necessary for it to enter the rail correctly.

With suitable forwarder mechanism for slider adjustment body rail is equipped.

This is extremely important considering the tight space rates at the joint. It is a space saving arrangement.

In this context the slider has a keyhole at the rear end. This is an end abutment fixed to the window layout splice with point or. of the adjustment body arranged on the rail on three sides creates an effect with its last bed.

Other features, advantages and application of the present invention possibilities are given below in the description of application examples given with the help and figures.

The figures are as described below: Figure 1 has an opening restriction device according to the invention. displays a window layout, Figure 2 shows an opening restriction device according to the invention. you gave perspective view Figure 3 shows the opening restriction device in Figure 2. shows unassembled condition, Figure 4 is an example of the opening restriction device according to the invention. view the opening limiter from below shows, Fig. 5, braking opening restriction device according to the invention shows in perspective without the assembly, Figure 6, a non-inventive use of an opening restraint device perspective view of a slider in app form you gave Figure 7 shows a slider with a non-braking device. a non-inventive application of the power-on restriction device The perspective of the slider in Figure 6 and Figure 8, which is in the form of gives a view from below.

Figure 1 has a window frame (2) and a window sash. A window layout (l) with (3) is shown.

A swing arm (5) on the inside of the window leaf (3) It has a window leaf frame (4) in which it is located.

Window in the subframe section of the window leaf frame (4) for adjusting the opening width of the wing (3). an opening limiter (6) is available.

The opening limiter (6) is attached to an opening limiter (7) and as a fixing device, a not shown in the figures. cylinder lock with key control (8) It has a built-in lock.

Thus, the opening restriction device (6) can be locked. Especially the lock (8) window leaf as seen in Figure 1. provided in the lower area of the frame (4) and from the inside of the window leaf (3), which also includes the handle (5). lockable.

As a fixing device in an application form not shown For example, a push-button assembly or other A button in the form of a control device is provided.

Locking the unlocking restriction device with this is mandatory. does not exist.

In the uncombined expression in Figure 3, the best the lock (8), shown in the figure, with the opening limiter (7) it has a lockable spring lock key (9).

Here, the lock (8) is the key of the lock wedge (9). will pop out as shown in Figure 3 when pulled. so that the key (9) is in the radial direction it comes out over the lock housing (10).

The direction of movement of the spring lock key (9), the window leaf (3) connected to the window frame (2) during its movement. of the opening limiter (7) on the window sash frame (4) diagonal to the longitudinal movement direction (L).

The lock (8) also ensures that the key (9) so that it can be pulled in with a closure when attached has been made.

This is when the key is inserted and the lock cylinder is e.g. from 90° to Lock key (9) when closed at an angle position of 180° the lock will enter its housing (10) so that the lock position is means it will open or leave.

When the key returns to the zero position and is pulled out, a springing occurs and thus the key (9) The opening limiter (7) is attached to a frame bearing (11), an adjustment it has a body (12) and a limiting arm (13). Frame bearing (ll) for fixing to window frame (2) is foreseen.

Frame bearing (ll) window frame in assembled state (2) with Screw.

Window leaf with adjustment body (12) assembled It is fixed to the frame (4) and either directly at the joint with a suitable profile or. fixed to the window leaf frame (4). a In any case, the adjustment body (12) is fixed in its own profile. It is held in place and can slide in.

In addition, the adjusting body (12) is combined with the locking wedge (9) of the lock (8) is intended for locking.

The limiting lever (13) is used both with the frame bearing (ll) and with the adjustment. body (12), but only indirectly with the adjusting body jointly attached. Especially in the form of a button, push button or lock. a non-inventive device for which a fastening device is not envisaged. fixed mounting of the adjustment body in the application form possible should be taken into account.

Here the setting body is fixed to the window frame while the frame the bed (ll) can be fixed to the window leaf frame.

Adjust* body (12) lock. the key (9) and the lock connection. It has a keyhole (14) for its creation (cf.

The front end of the adjustment body (12) is removed from the front end of the adjustment body (12). it has a curve (15) extending to the lock hole (14).

The lock hole (14) is made as a long hole and the long side It moves diagonally to the sliding direction (L) of the adjusting body (12).

The width of the long hole is at least usually key (9) equal in diameter.

In this way, in a diagonal movement to the L direction of the key (9) can also be held by the long hole but in the L direction in the engaged or locked position, at least generally without backlash arrangement is provided.

The opening limiter (7) is also on the rail (16) of the adjusting body (12) it has an advancing slider (17).

The slider (17) is connected to a stepped conveyor (39) for the rail (16). It has a correct adjustment to the adjusting body (12) or the rail (16). can move through the path.

The gradual transmitter (39) will allow the rail (16) height to enter completely. has depth.

On the underside, the rail (16) coincides with the underside of the slider (17).

In addition, the slider (17) is on the upper side with the limiter lever (13). is connected so that the limiting lever over the slider (17) (13) is indirectly connected to the adjustment body (12).

The adjustment path is locked by the lock wedge (9) of the slider (17). from a rear end position to a front end position on the adjusting body (12) and it is made in such a way that it can move in the opposite direction.

The rear end position window leaf (3) is locked, equivalent to the opening position to which it is limited, the front end position is the window with respect to the sash (3), the window sash (3) is closed. corresponds to its position.

The specified adjustment path can slide longitudinally.

For this, the adjusting body (12) is made in multiple parts.

Thus, a preset body formed separately from the rail (16) section (18) is envisaged.

Rail (16) with front adjustment body section (18) in longitudinal direction (L) may slide towards each other.

To the preset body section (18) for adjusting the adjustment path, a movable adjustment element (20) on the adjustment shaft (19) A manually operated adjusting spindle (19) is fitted.

The adjusting element (20) is connected to the rail (16).

For insertion/attachment of a tool at the end of the adjusting shaft (19) it has a holding section 21 .

By turning the adjusting spindle (19) the actuator (20) is placed on the spindle (19) it can move in the right direction and opposite the longitudinal direction (L).

In this way, the adjustment body (12) and the adjustment path can be lengthened or shortened. In particular, as seen in Figure 3, there is a hole in the rail (16) on three sides. the end stop 22 is provided.

With this end stop 22 the slider 17 can be locked.

For this, the slider (17) has two locking levers (23) at the end. It has a lock hole (24).

Here the slider (17) consists of a suitable flexible Halter, so that the lock lever (23) springs appropriately.

In addition, the opening limiter (7) for the adjusting body (12) has three an end bearing (25) as a foothold on the side has.

The final bed (25) to the window wing frame (4) arrangement and provided for fixing.

Maximum opening of the last bearing (25) window leaf (3) nerves the movement.

The adjusting body (12) can be locked with the end bearing (25).

Here, the lock connection is the last stop with the slider (17). in the same way as the lock connection between the point (22) is created.

Accordingly, the end bearing (25) is at the end stop (22) as in the middle of the lock lever (27). a holding shaft (26) with which it can be locked with its hole (28) has.

Here, between the end stop (22) and the slider (17) and the last bed. and the corresponding lock between the adjusting body (12) The holding force of the connection can be adjusted.

This is the one with a tool holding section of the respective holding shaft. it is realized by having a flexible holding head, so that the rotation position of the holding pressure can be adjusted.

The slider (17) is an adjustable braking force. It has a braking mechanism (29).

Adjust the braking force to the slider (l7). provides an adjustment shaft (30) that is inserted.

At the end of the adjusting spindle (30), there is a handle for the control of the tool. section (31).

In addition, the braking device (29) has an adjustable tensioner. tensioning, which is arranged on the body (32) and the slider (l7) into a tensioning body slot (33) for insertion of the body (32) has.

The slider (17) is of a flexible material. As can be seen especially in Figure 7, the tensioning body (32) is opposite. on the side (34) it is made conical.

The clamping body slot (33) is likewise on the opposite side (35). cone is made.

Thus, the tensioning body, which is made conical in the same way, (33) a tapered progressive tensioning body on which it rests flat slot (33) is obtained.

Tension body (33) starting from the position shown in Figure 7 According to Figure 7, when pulled to the left, it is inserted into the body housing (33) the adjacent side walls 36 expand outward.

This is the window sash in or on the slider (17). It creates a friction in the outer conductor advancing on its side.

The slider (17) is made modular.

The slider as seen in the comparison of Figures 2 and 5 (17) only in the application form in Figure 2 a braking device (29) in the application form in Figure 5 differs by the lack of regulation.

Here the main body of the slider (17) needs modification is not.

Only the tensioning body slot is not equipped with the tensioning body and therefore the adjusting shaft (30) is also absent.

Also, in principle, the adjustment body and/or the lock or other It is possible that there is no fixing device.

In this way, application forms that do not belong to the invention are shown in Figure 6. (with braking assembly) and Figure 8 (with braking assembly) without) is shown.

In this case, the slider (17) is driven by the end bearing (25). with a circumscribed posterior position not shown in the figures. don't stand. frustrated by the point. a front position. between acts as a movable adjustment body.

In this case, a non-locking limiting device available.

At the outer joint of the slider (17), i.e. the window on the sash (3) or on the sash frame (4) suitable for acting in conjunction with the conductive mechanism. of a modular element having a transmitting mechanism (40). It is understood that this is the subject of the slider (17) setting. It can be used with body (12) and without adjusting body.

In addition, the previously opened limiting device (6) or the opening the slider (17) described in relation to the limiter (7) All related features are for these sliders, namely especially also applies to sliders without adjustment body.

Slider as a modular element in the simplest form of implementation In figure 8, in an opening limiter (6) shown.

Here the slider does not have a braking mechanism and The adjustment body is also not provided.

Slider (17) directly at the joint of the window layout is attached and via the forwarding mechanism (40) at the joint. It acts together with the appropriate conductive mechanism.

In the non-inventive application form in Figure 6, the slider is the opening restriction device as previously described It has a braking mechanism (29) in function.

In the application form according to the invention in Figure 5, a slider It acts together with the adjusting body (12), but braking did not have the system.

The application form shown in Figure 2 is in accordance with Figure 5, a braking device is provided as a supplement here.

An inventive one with the adjusting body (12) and the lock (8) The function of the opening limiter is as follows.

With the window closed, the key (9) is inserted into the lock hole. (14) enters.

The adjustment body does not slide longitudinally.

Front end (37) of slider (17) preset body section (18) it leads to its rear end 38 .

Both ends (37, 38) are either connected to each other over a short distance. stand apart or side by side.

The window leaf (3) is opened via the lever (5) and the slider (17) opens via a certain setting path, but the maximum the holder shaft (26) is opened until it locks into the lock hole (24).

In this case, the window must have a maximum opening angle of, for example, 10 mm. has.

Adjustment path via adjusting spindle (19) and window with it the opening width of the wing (3) is increased or decreased.

In all cases, the slider (17) must be placed on the retaining shaft (26) in the locked state of the adjusting body (12) after locking it is not possible to open the window sash.

When the key of the lock is inserted into the lock (8) and locked In order for the key (9) to come in, the lock must be placed in its housing. (10) advances.

Thus, the adjusting body (12) is released.

It is now possible to open the window leaf (3), but the last until the holder shaft (26) of the bearing (25) locks into the lock hole (28) until it opens.

In this case, the maximum opening position is reached.

In this case the key is pulled out of the lock (8) so that key (9) protrudes from lock housing (10).

When the window leaf (3) is closed, the adjustment body (12) move with the last bearing (25) to unlock To unlock the slider (17), this must also be before or after with the last abutment (22) can act together.

In any case, the rotational movement of the window leaf (3) can be adjusted. It causes the body (12) to slide longitudinally in the L direction. Adjustment curve (15) when body (12) reaches lock key (9) it is pressed until it locks into the lock hole (14).

Thus, the adjustment body is fixed.

In this case, it is not possible to open the window leaf (3) again. is not.

Based on the movement of the slider (17) to the rail (16), the window closing and unlocking via the slider (17) It is possible to re-open until the limited position.

List of references in the figures: 1 Window layout 2 Window frame 3 window leaf 4 Window leaf frame swing arm 6 Opening restriction device 7 Open limiter 8 cylinder lock 9 keyway lock guard 11 Frame bearing 12 gauge body 13 limiting arm 14 lock hole Curve 16 Rail 17 Slider 18 Preset body part 19 Adjusting spindle setting element 21 Retaining section 22 Ending point 23 Lock lever lock hole last bed holding shaft lock lever lock hole braking device adjusting spindle holding section tension body Tension body slot side wall forwarder transmitting mechanism Longitudinal direction

Claims (1)

REQUESTS 1. The window arrangement of the opening limiter (7), which has a slider (17) movable at the joint of the window arrangement and an opening limiter with a limiter arm (13) articulated with the slider (17), can be arranged at the joint (1) of the opening limiter, the slider (17) moves on the rail (16) of the adjustment body (12) and can move through an adjustment path towards the adjustment body (12), the adjustment path is the same as the slider (17) in the adjustment body (12) that the window arrangement (1) moves from a rear end position corresponding to the opening limiting position of a window leaf (3) to a front end position corresponding to the closed position of the window leaf (3) and vice versa, the adjustment body (12) ) is an opening limiting mechanism (6) for a window arrangement (1), where it is formed for a sliding arrangement in the window sash frame (4) and the adjustment body (12) can be fixed with a fixing mechanism, and its feature is; the fixing device has at least one manually operated button for releasing the locking wedge (9) and/or a lock (8) controlled by a key, the adjusting body (12) has a lock hole ( 14) and the adjustment path is made in such a way that the slider (17) moves from the rear end position to the front end position and vice versa in the adjusting body (12), which is locked with the locking wedge (9). It is a mechanism for limiting opening according to claim 1, and its feature is; it is characterized in that the adjusting track and/or the adjusting body (12) can slide longitudinally and preferably has a preset body piece (18) in which the adjusting body (12), the preset body piece (18) and the rail (16) can slide towards each other. It is an opening limitation mechanism according to claim 2, and its feature is; it is characterized in that a manually operated adjustment shaft (19) with a movable adjustment element (20) is placed on the preset body part (18) and that the adjustment element (20) is connected to the rail (16). . It is a mechanism for limiting opening according to one of the previous claims, and its feature is; It is characterized in that an end stop (22) is provided on the rail (16) at the end and preferably the slider (17) can be locked with the end stop (22). . It is an opening limitation device according to one of the previous claims, and its feature is; provided that the keyhole (14) is closed all around and has at least one curve (15) for the keyway (9), and preferably that the elongated hole width of the keyhole (14) is at least generally equal to the diameter of the keyway (9), so that the keyway (9) It is characterized in that the adjusting body (12) is made as a long hole arranged diagonally to the sliding direction, in which at least a gap is usually formed when the key (9) is locked in the sliding direction. It is an opening limitation device according to one of the previous claims, and its feature is; for the adjustment' body (12). it is characterized in that an end bearing (25) is provided as an end end bearing and preferably the adjusting body (12) can be locked with the end bearing (25). It is a mechanism for limiting opening according to claims 4 and 6, and its feature is; The locking connection between the end stop (22) and the slider (17) and/or between the end bearing (25) and the adjustment body (12) can be adjusted and/or the end stop (22) and/or the end bearing (25) are elliptical characterized in that it has a holding shaft (26) with a holding head and the rotational position of the holding head can be adjusted. . It is an opening limitation device according to one of the previous claims, and its feature is; It is characterized in that a braking device (29) with adjustable braking force is arranged on the slider (l7), in particular via an adjustment shaft (30). Request. It is a mechanism for limiting opening according to 8, and its feature is; the braking device (29) has an adjustable clamping body (32) and a clamping body slot for the clamping body (32) provided in the slider (17), preferably the clamping body (32) has at least one conical outer side and/or the clamping body According to one of the previous claims, a window sash is attached to a window frame (2), characterized in that the housing (33) has at least one conical inner side, so that at least one wall of the slider (17) is pressed outwards relative to the tensioning position of the tensioning body (32) window arrangement with a window leaf (3) having a frame (4) and an opening limiter (6). It is a window layout according to claim 10, its feature is; it is characterized in that the opening limiting device (6) is provided especially in the lower area of the window leaf frame (4) and can be controlled from the inside of the window leaf (3).