RU2611317C1 - Flap turning angle limiter with hitch on left cover and reference hole in right slider - Google Patents

Abstract

FIELD: construction.

SUBSTANCE: flap turning angle limiter with the hitch on the left cover and the reference hole in the right slider relates to bolts and other locking devices for the flaps, in particular to devices for limiting the opening of doors and windows in buildings and for fixing them in the open position by means of the movable elements located on a frame and a flap, to be hitched and unhitched. The limiter comprises the hinged plate with a groove, the bolt with a handle and a hitch, the guiding housing, which accommodates the bolt and in which a winding slot is made, consisting of the transverse bore and the initial bore and the fixing bore connected with its ends, made longitudinal and arranged in opposite directions from the transverse bore with the possibility of moving the bolt handle along them. Longitudinal projections are made on the plate side facing the guiding housing. The right slider is put on the plate, in which the reference hole is made with the possibility for the hitch to pass through it after passing through the groove and hitching on the right slider after the hitch subsequent turning. A rack ratchet mechanism is arranged on the plate, comprising a rack made in one of the groove longitudinal edges, and an arresting device equipped with an adjustment handle. The arresting device is located in the groove between the right slider and the left cover placed on the plate overlapping with the both longitudinal groove edges and connected to the right slider with the possibility of moving together with the arresting device along the longitudinal groove. On the left cover the hitch is made with the possibility of hitching on the bracket rigidly fixed on the guiding bolt housing. In the left cover the auxiliary opening is made, through which the adjustment handle is moved out. The arresting device may be spring-loaded, or made springy of a resilient material.

EFFECT: provision of further opening only in case the flap is closed.

3 cl, 19 dwg

Description

The invention relates to bolts and other locking devices for sashes, mainly for doors or windows of buildings, in particular to devices for restricting the opening of doors and sashes and for fixing them in the open position using movable elements located on the frame and sash, coupled and disengaged to provide further opening only if the sash is closed.

In this description, the terms are used in the following sense in accordance with the source of information [1]:

“Casement” is a general term for pivoting, sliding or otherwise moving doors or windows. This term also covers other movable structures, such as drawers, lids of drawers, car trunks, covers or hoods, to which control fasteners, snap-fit or locking devices belonging to this class can be mounted;

“Frame” - the element to which the sash is attached. This term does not include the frame that forms part of the sash, such as window binding, but in some cases the frame itself may be a sash;

“Deadbolt" is a sliding, pivoting or otherwise moving element that is usually located on a door to keep it closed by engaging with a holder on the frame. It is manually actuated using a key or other device;

“Pad” - an element in the form of a latch, hook, etc., pivotally mounted on a frame or sash, used to lock the sash, for example using a padlock.

The term “box” is understood in accordance with the source of information [2]:

“Box” - an assembly unit of a window or door block of a frame structure designed for hanging sashes or paintings, fixedly fixed to the walls of a window or doorway.

The terms “cover” and “case” are understood in accordance with the source of information [3]:

“Cover” - a part covering the body of the product;

"Housing" is the main part of the product, inside of which the details of its mechanism are placed (explanation of the author of this description of the invention: the housing in this description refers to both the guide housing for placing a bolt with a hook in it, and a cover with a groove in which, that is, inside pads, parts of the rack and pinch ratchet mechanism in the form of a spring-loaded dog and a slider, closed by a lid) are placed.

The following terms are understood in accordance with the source of information [4]:

"Lap" - adv. Laying the edge or end of something is usually on the edge or end of the other;

"Hook" - a device that captures, hooks something, or an object that you can catch on;

"Jamb" - each of the side parts of a door or window frame;

“Depress” - action according to the meaning of the verb “depress”;

“Squeeze” - pressing, advancing, forcing to move, retreat; push back;

“Plate” - diminutively to the plate; a thin flat piece of metal, glass, etc .;

"Slider" - 3. Tech. A detail of a mechanism sliding back and forth over a surface in a straight direction;

“Slider” - 3. Tech. The same as the slider (3 digits);

“Strip” - diminutive to “strip”;

“Strip” - an oblong, elongated piece of something (fabric, metal, etc.);

“Frame” - a quadrangular or other form of fastening from bars, planks, for inserting, framing something.

The terms "box" and "frame" in this description of the invention are understood as synonyms.

The following terms are understood in accordance with the source of information [5]:

“Ledge” is the protruding part of something;

"Groove" - a narrow slot or recess in which a protrusion of another object is inserted during bonding;

“Plate” - a flat strip of solid material;

“Slot” - through slotted hole;

"Well" - a narrow hole, a gap; keyhole (key hole).

The following term is understood in accordance with the source of information [6]:

"Alignment of parts" ("coaxial") - the correct location of the axes of the parts ... on the same line, for example, alignment ... of the holes for the bearings of the rear axle housing of the tractor.

The following terms are understood in accordance with the source of information [7]:

"Ratchet mechanism" - a device in which the relative movement of the links is possible only in one direction, and in the other direction, the links interact due to the pressure of their elements and cannot move relative to each other;

“Ratchet ratchet mechanism” is a ratchet mechanism in which there is a rack with teeth and a dog (possibly spring-loaded).

In this description of the invention, the concept of a “toothed recess” in the rack of a rack-and-pinion ratchet mechanism should be understood as a recess for accommodating a dog’s tooth with the rack moving in only one direction.

In this description of the invention, the concept of "dog’s tooth" should be understood as the free (not fixed to other structural elements) end of the dog, made with the possibility of placement in the toothed recess.

In this description and the claims, the term "gear rack" should be understood as a rack with one, at least, gear recess.

In this description, the concept of "step of the tooth recesses" should be understood as the distance through which the toothed recesses of the same profile are repeated.

In this description of the invention, the term "squeezing handle" should be understood as "a handle or some protruding element for pressing, rigidly connected or made integral with the squeezing element."

In this description and the claims, the concept of “right cover” should be understood as “a cover placed on the side of the lining opposite to the guide body, in which the deadbolt with a hook is placed, that is, directed away from the guide case”.

-образного вида в поперечном сечении, если смотреть на него со свободного конца накладки, концы которого огибают продольные края накладки и расположены со стороны накладки, противоположной направляющему корпусу, в котором размещен засов с зацепкой, то есть направленной в сторону от направляющего корпуса».In this description and the claims, the concept of "left slider" should be understood as "slider

-shaped cross-sectional view, if you look at it from the free end of the lining, the ends of which bend around the longitudinal edges of the lining and are located on the side of the lining opposite to the guide body, in which the bolt with a hook is placed, that is, directed away from the guide case. "

A device for limiting the angle of rotation of the sash, called "door chain". The door chain contains a chain, which at one end (the last link) is attached to the base plate with holes for fasteners (screws or screws) to fix the chain to the jamb, and a hook with a spherical or mushroom-shaped thickening is fixed at the other end of the chain. The device also contains a locking plate with a groove having an extension at one end and holes for fasteners (screws or screws) for rigidly fixing the locking plate on the casement by expanding the groove in the opposite direction from the edge of the casement. The expansion in the groove serves to introduce a spherical or mushroom-shaped thickening of the hook into engagement with the edges of the groove in order to provide a limited angle of rotation of the leaf and to remove the spherical or mushroom-shaped thickening of the hook from the meshing with the edges of the groove to ensure that the leaf opens completely [8], [9].

This known device has the following three technical disadvantages. Firstly, it can only be used for shutters that open inside the room, since the locking plate cannot be fixed on the jamb due to its sufficiently long length due to the large length of the groove made in it, and the jamb is both wooden and, moreover, , metal has a significantly smaller transverse thickness. Secondly, the chain can be eaten with nippers, since the chain links, like the other parts of the device, are in practice made of annealed plastic steel and are not quenched after the manufacture of the device. Thirdly, with a sufficiently powerful jerk, some chain link (weakest) can break due to a small cross section and internal defects (microcracks or microcracks) in the metal. The first technical drawback leads to a decrease in the area of use of the device, and the second and third to reduce the safety of operation.

A device is known for fixing an ajar door or window that contains a base, a locking element, a locking strip and a connecting element, and is characterized in that the connecting element is made of flexible material and is permanently connected to the base and the locking strip by means of a conical fixing screw. As a connecting element in the device, a metal and non-metal rope (cable) can be used. The locking bar has a figured hole corresponding in shape to a T-shaped crossbar, locking recesses for additional (second degree) fixing the T-shaped crossbar in the locked position, and a pusher with a spring [10].

A technical drawback of this device is that an attacker can easily disengage the T-bolt from the locking plate by sticking his hand in the doorway and turning the T-bolt 90 degrees, previously pressing it against the action of the spring-loaded pusher, which drastically reduces safe operation of this device, since the attacker will not be able to resist children, women and the elderly. To eliminate this technical drawback, the maximum clearance (opening) of the ajar door should be narrow enough so that the palm does not crawl, for example, not more than 4 cm. But with such a narrow clearance (opening) of the ajar door, not only a small overview is created, but also the inconvenience of communicating with the visitor (by visitors) and receiving from them (such as postmen or couriers) delivered small items or parcels.

A device for limiting the angle of rotation of the sash, called "chain loop", containing the plate with a hinge, made in the form of an elongated hinge with a groove having an extension at the end facing the hinge (in fact, this is a locking plate that performs the same functions, as in the “door chain” device described above, but not fixed rigidly, but hinged, that is, with the possibility of rotation). The swivel plate (thanks to the hinge mount) is mounted on a jamb. The device also contains a hook with a spherical or mushroom-shaped thickening, which is rigidly attached to the sash that opens inward, with the possibility of catching the lining for it by putting the lining with the extended end of the groove on the spherical or mushroom-shaped thickening of the hook with the sash completely closed. Upon subsequent opening of the sash inward, the hook moves into the groove of the lining and spherical or mushroom-shaped thickening engages with the edges of the groove, which ensures a limited angle of rotation of the sash (in fact, the hook here performs the same functions as the hook in the “door chain” device, only fixed motionless) [11].

The technical disadvantage of this device is that the hook acts as a spherical or mushroom-shaped thickening over the edge of the surface on which it is rigidly fixed. This leads to the fact that manufacturers and suppliers recommend installing this device only on leafs that open inward, since when installing on leafs that open outward, a hook with a spherical or mushroom-shaped thickening must be rigidly fixed to the jamb. At the same time, the hook along with a spherical or mushroom-shaped thickening will constantly protrude beyond the inner edge of the jamb, which not only has an unaesthetic appearance, but also reduces the width of the door frame passage, and also creates a danger of people passing by catching it. Thus, the disadvantages of this device include a low field of application (only for leafs that open inward), as well as an unaesthetic appearance and increased danger of operation when installed on leafs that open not only outward, but also inward.

In addition to the above, the disadvantage of all of the known devices [8], [9], [10], [11] is that in an ajar position, an attacker can close and then sharply pull the sash (door) in the opposite direction to the stop. In this case, the sash (door) brakes sharply, a very large acceleration of braking of the sash (door) occurs, resulting in a huge braking force of the sash (door), proportional to the mass of the sash (door) and acceleration of braking of the sash (door). The enormous braking force that arises can either break the flexible elements of these devices (chain, cable), or disrupt the fastening of these devices to the jamb of the door (window) box or to the sash (door).

The closest adopted for the prototype is the limiter of the angle of rotation of the sash, containing a pivotally mounted cover with a longitudinal groove, a deadbolt with a handle fixed relative to it and an end fixed with respect to it, made with the possibility of passing through the longitudinal groove of the lining, the guide body in which the deadbolt is located and in which a winding slot is made, consisting of a transverse well and connected to its ends of the initial well and the fixing well, longitudinal and located in opposite directions from the transverse well, with the possibility of moving the bolt along them, while on the side of the lining opposite the guide body, at least one longitudinal protrusion is made with a height not exceeding the length of the maximum possible travel path of the bolt in the locking well, and a C-shaped slider is put on the pad with the ability to move along it (note: this is essentially the “right slider” in the description of the new technology below solution), the ends of which bend around the longitudinal edges of the lining and are located on the side of the lining facing the guide body, and a hole is made in the C-shaped slider (note: it is essentially a “support hole” in the description of the new technical solution below) with the possibility of passing the hooks first through it after passing through the longitudinal groove of the lining and then with the subsequent engagement of the hooks in the C-shaped slider after its subsequent rotation [12].

The disadvantage of this device, as well as the disadvantage of all the above known devices [8] - [11], is that in an ajar position, an attacker can close and then sharply pull (push) the sash with great acceleration in the opposite direction, accelerating it to high speed until collision with focus. At this moment, a strike occurs in the prototype of the strap with a groove about the bolt with a hook, after which the sash sharply slows down, resulting in a very large acceleration of the slowing of the sash, resulting in a huge inertia force, which drastically slows down the movement of the sash until it stops almost instantly. The huge inertia of the sash resulting from the impact can destroy, for example, the fastening of the prototype device to the door frame or to the sash. And since an attacker can perform several similar actions in a row with shock loads, this can lead even more to the destruction of the weakest (for example, with the smallest cross-section) elements of the sash rotation limiter in the prototype and devices [8] - [11] .

We give the following definition of impact: “The interaction of bodies, in which for a very short period of time, finite changes in the velocity of these bodies occur spasmodically, is called an impact” [13], p. 473.

Let us make a simplified assessment of the impact of the impact on the magnitude of the arising stresses in structural elements, for example, in a bar with a longitudinal groove and fasteners (bolts).

The movement of the sash when it is jerked by the attacker after previously fully covering it breaks up into 2 cycles:

- acceleration of the sash before the collision of the limiter of the angle of rotation of the sash with emphasis;

- slowing the sash to its complete stop after the collision of the limiter of the angle of rotation of the sash with emphasis.

In the prototype for a casement opening outward, the bolt with a hook mounted on the door frame jamb serves as an emphasis, and collides with it (strikes against it) during a sharp acceleration of the casement plate that is articulated on the casement with the end farthest from the hinged end of the longitudinal groove. And for the sash that opens inward, the emphasis is the overlay pivotally mounted on the jamb of the door frame, and a bolt with a hook, fixed on the sash, collides with it. In this case, a longitudinal impact of the lining with a longitudinal groove about a fixed bolt with a hook for a sash opening outward, or a bolt with a hook on a fixed lining with a longitudinal groove for a sash opening inward, occurs. The sash speed in an extremely short period of time of impact, not exceeding tenths of a second, drops to zero, resulting in a huge deceleration associated with the emergence of a very large inertia force, which determines the force and effect of the impact on the structural elements of the prototype, of which the most critical to the impact loads are the connection elements (hinged lining and fasteners that secure the prototype to the sash and to the door frame jamb.

It is known that “However, it is theoretically difficult to establish the law of change of speed, and hence the force of inertia. Here another way is used, based on the approximate use of the law of conservation of energy and on the following assumptions ”[13], p. 250:

1) stresses upon impact do not exceed the limit of proportionality, so that Hooke's law on impact retains its force;

2) bodies after impact are not separated from each other;

3) the mass of the striking body is considered small in comparison with the mass of the striking body, therefore it is not taken into account;

4) we neglect the loss of part of the energy that has passed into heat and into the energy of the vibrational motion of colliding bodies.

It is known that “... all factors in the system under consideration, upon impact, increase by the same number of times in comparison with static loading. This number is the dynamic coefficient ... to be determined. ”[14], p. 475.

“Thus, to determine the greatest stresses and displacements during impact stresses and displacements, found as a result of calculating the system by the force P acting statically, it should be multiplied by the dynamic coefficient k _d ...” For example, the dynamic stress σ _d in the impacted body upon impact is [15], p. 532, formula 14.14:

where σ _d - dynamic stress upon impact;

σ _article - stress under static load;

k _d - dynamic coefficient,

x is the sign of multiplication.

In the further presentation, we take as an example that in the prototype the sash opens into the room, the bolt with a hook is fixed to the sash with the possibility of longitudinal movement, and the cover with a longitudinal groove is hinged on the door frame jamb.

“When struck by a horizontally moving body (in the prototype it is a horizontally moving leaf opening inward and a bolt with a hook), when the mass of the striking body (in the prototype is a plate with a longitudinal groove pivotally mounted on a jamb) can be neglected, for the dynamic coefficient k _{e the} following formula is known ”[15], p. 540, formula 33.14:

where Vc is the speed of a horizontally moving, that is, an impacting body (in the prototype, this is a flap opening inwards, on which a deadbolt is attached with a hook) at the moment preceding contact with the striking body (in the prototype, this is an overlay with a longitudinal groove hinged on the door frame) );

g is the acceleration of gravity;

Δ _article - the absolute longitudinal elongation of the impacted body (in the prototype it is a plate with a longitudinal groove and fasteners connecting the plate with the jamb);

/ - division sign;

x is the sign of multiplication.

We assume that during a sharp jerk by an attacker, the sash moves equally accelerated under the influence of the force applied by the attacker. Then the leaf speed Vc can be determined in accordance with the well-known expression, [16] p. 58, formula 22.5:

where Vc is the sash speed during a jerk by an attacker at the moment preceding the impact;

A - acceleration of the sash;

Lp is the sash acceleration length equal to the length of the longitudinal groove minus the thickness (diameter) of the hook.

From (1) - (3) we obtain:

From (4) it follows that, ceteris paribus, in order to reduce the dynamic stress during an impact, it is necessary to reduce the acceleration length Lp of the sash before the impact.

The objective of the invention is to create a new patentable limiter of the angle of rotation of the sash, not having the above disadvantages of the prototype and analogues and, accordingly, ensuring the achievement of the following technical results in comparison with the prototype, namely:

- improving the reliability and safety of operation of the limiter angle of rotation of the sash;

- reducing the dimensions and mass (material consumption) of the limiter of the angle of rotation of the sash;

- ensuring the manufacturability of manufacturing by using parts that are simple in shape, each of which has a high manufacturability;

- ensuring the simplicity of the design due to both the simplicity of the shapes of each part and the simplicity of their connection with each other.

In addition, the objective of the invention is the expansion of the arsenal of technical means for a similar purpose.

The objectives of the invention are solved, and the technical results are achieved by the fact that in the limiter of the angle of rotation of the sash with a hook on the left cover and a reference hole in the right slider, which contains a hinge with a longitudinal groove, a bolt with a handle fixed relative to it and at the end with immovable with respect to it a hook made with the possibility of passing through the longitudinal groove of the lining, the guiding body in which the bolt is placed and in which the winding slot is made, co consisting of a transverse well and connected to its ends of the initial well and the fixing well, made longitudinal and located in opposite directions from the transverse well, with the possibility of moving the bolt handle along them, as well as on the side of the lining facing the guide body, made at least one longitudinal protrusion with a height not exceeding the length of the maximum possible path for moving the bolt handle in the fixing well, while the right one is put on with the possibility of moving along it a hole in which a support hole is made with the possibility of passing hooks through it after it passes through the longitudinal groove of the lining and then with the possibility of engaging the hook for the right slider after its subsequent rotation, and in addition to this (unlike the prototype), the rack-and-pinion ratchet mechanism is made on the slip comprising a toothed rack with at least one toothed recess in one of the longitudinal edges of the groove and a dog equipped with a squeezing handle, arranged to be pressed out of the toothed recess and place in the groove between the right slider and the left cover, which is placed on the lap overlap with both longitudinal edges of the groove and connected to the right slider with the ability to move with it and the dog along the longitudinal groove, while on the left cover there is a hook with the possibility of engagement with a bracket, rigidly attached to the guide body, and in the right slider or left cover there is an auxiliary hole through which the squeezing handle is pulled out, and the hook is made long enough to engage the bracket when riotkrytoy leaf.

To increase the convenience and reliability of operation of the leaf angle limiter with a hook on the left cover and a reference hole in the right slider, as well as to ensure simplicity of design and manufacturability of the rack-and-pinion ratchet mechanism in the longitudinal groove with the possibility of movement between the right slider and the left cover, it is placed rigidly to them a slider with a cutout is attached, in which a dog is placed, mounted with the possibility of rotation on an axis, fixed with its ends on the right slider and the left cover, while the cup is spring-loaded relative to the slide towards the gear rack and is made at the same time as the squeezing handle protruding outward through the auxiliary hole made in the left cover, which is made in the form of a rectangular plate, and the spring for the dog is made of an elastic strip bent at an angle and placed in a cutout of the slider, the gear rack contains several toothed recesses, the plate is made in the form of a plate, the hinged fastening of the plate is made in the form of a door or window hinge.

To simplify the design and improve the manufacturability of the rack and pinch ratchet mechanism, a springy dog is placed in the cutout of the slider, which is made of flat elastic material, and the end opposite the squeezing handle is rigidly attached to the slider.

New features of the invention, together with known features form an inextricable aggregate, which allows to solve the problems of the invention and achieve the above technical results.

Indeed, increasing the reliability and safety of operation of the limiter of the angle of rotation of the sash with a hook on the left cover and the reference hole in the right slider by reducing the length of the jerk of the sash by an attacker is ensured by the fact that in addition to the known features of the prototype, a ratchet mechanism containing a gear rack is made on the patch, with at least one toothed recess in one of the longitudinal edges of the groove and a dog equipped with an squeezing handle, arranged to be pressed out of the toothed recess and movements in the groove between the right slider and the left cover, which is overlapped with both longitudinal edges of the groove and connected to the right slider with the possibility of moving with it and the dog along the groove, while on the left cover there is a hook with the possibility of engagement with a bracket rigidly attached to the guide body, and in the right slider or left cover, an auxiliary hole is made through which the squeezing handle is brought out, and the hook is made long enough to engage the bracket with the sash ajar.

If the dog is not spring-loaded (there is no spring pressing the dog to the gear rack or the dog is not spring-loaded, that is, the dog is made of inelastic material), then before opening the sash, the dog is disengaged from the tooth recess by pushing the squeezing handle to the side, opposite to the serrated recesses, if such engagement takes place, and then the sash is opened either for the entire length of the longitudinal groove or for its part, for which, in the required position, the sash is pressed on the squeezing handle in the direction of the serrated recesses, introducing the dog into engagement with one of the toothed recesses. In this case, in order to prevent the attacker from performing a shock action by the sash by abruptly slamming it and opening it, it is necessary to constantly press the dog through the squeezing handle towards the dentate recesses while communicating with the potential attacker. To increase the ease of use, the dog can be spring-loaded towards the toothed rack or spring-loaded, that is, made of elastic material.

New and known from the prototype features, it was possible to reliably fix the rack-and-pinion ratchet mechanism (new unit) on the bolt with a hook (after the hook has passed through the groove of the lining and the support hole in the right slider) when it engages with the right slider after turning and at the same time due to the placement of the hook inside brackets, that is, between the bracket and the guide body of the deadbolt, and the placement of the right slider with the support hole on the deadbolt, as a result of which the length of acceleration of the sash when it is jerked is malicious CENI limited pitch length of toothed recesses in the rack. If there is one toothed recess made in the toothed rack in the middle of the acceleration length Lp, the definition of which is given above in formula (3), the pitch of the toothed recesses will be equal to Lp / 2. The dog (not spring-loaded in the direction of the gear rack and made of inelastic material), in the case of the toothed recesses in the lower longitudinal edge of the groove, will fall into the toothed recess under the action of its gravity or, in the case of the toothed recesses in the upper longitudinal edge of the groove, under the action of the force exerted on the squeezing handle by the person opening the sash. In the case of making serrated recesses in the lower longitudinal edge of the groove to increase the reliability of the rack and pinch ratchet mechanism, a force can be applied to the squeezing handle with the face opening the sash towards the serrated recess for the dog to enter it. Let, for example, in a ratchet mechanism, the pitch of the gear recesses L3 of the rack is equal to:

Assume that the acceleration length Lp of the sash when it is jerked by an attacker in the prototype is:

From (5) and (6) we obtain:

From (7) it follows that the length of the acceleration of the sash without a rack-and-pinion ratchet mechanism (in the prototype) is 50 times longer than the length of the acceleration of the sash with the rack-and-pinion ratchet mechanism, and therefore, when an attacker snaps the sash in the prototype, it will accelerate to a much higher speed, which, according to (4) ) will lead to a much stronger impact, that is, a higher value of dynamic stresses in the structural elements of the prototype, which can damage or destroy some structural elements of the prototype, for example, the axis of articulation of the lining and mantle elements, which, taking into account the shock loads, need to be made of an increased cross section, which will require an increase in the overall dimensions of these and their mating parts, which will result in an increase in the metal content of the prototype compared to the proposed limiter for the angle of rotation of the sash with a hook on the left cover and a reference hole in the right a slider containing a ratchet mechanism, consistent with the structural elements of the prototype.

Thus, the new features, together with the features known from the prototype, can significantly reduce dynamic stresses in the limiter of the angle of rotation of the sash with a hook on the left cover and a reference hole in the right slider equipped with a ratchet ratchet mechanism, which allows to increase the reliability of its operation and reduce rational design metal consumption of that part of its structure, which does not contain a rack-and-pinion ratchet mechanism and is similar to the prototype.

The limiter of the angle of rotation of the sash with a hook on the left cover and a reference hole in the right slider, being new, expands the arsenal of technical equipment for a similar purpose, which is additionally one of the objectives of the invention.

Thus, all these objectives of the invention are solved, and technical results are achieved by a combination of known (restrictive) and new features.

It should be noted that all the main objectives of the invention are achieved by using all the features of an independent claim.

A preferred embodiment of certain features of the invention is indicated in the dependent claims.

A non-limiting embodiment of the present invention is described by way of example to illustrate the claims, while the proportions of some small elements are not respected for their sharper image.

In FIG. 1 shows a perspective view of a limiter for the angle of rotation of a sash with a hook on the left cover and a reference hole in the right slider in the initial state, in which the cover with the right slider is leaned against the sash that opens outwards.

In FIG. 2 shows the same as in FIG. 1, but with the bolt hook extended outward (beyond the edge of the joint).

In FIG. 3 shows the same as in FIG. 2, but in the slightly open position of the sash to the length of the longitudinal groove in the cover plate to prevent unauthorized passage due to the reliable engagement of the hooks on the right slider and the hooks on the bracket.

In FIG. 4 shows a rectangular projection with the position of the lining turned to contact the jamb or the guide body of the ends of the right slider and placing the hook inside the bracket, the left view (with respect to the sash, if facing it), is enlarged.

In FIG. 5 is a view A of FIG. 4, increased.

In FIG. 6 is a view B of FIG. four.

In FIG. 7 shows a section along BB in FIG. 4, which also shows the contours of the support hole in the right slider and the groove in the patch, located beyond the section plane along BB, enlarged.

In FIG. 8 as in FIG. 6, a view B is shown in FIG. 4, but with the hook extended outward through the longitudinal groove of the lining and the support hole in the right slider.

In FIG. 9 shows a section along G-D in FIG. 8.

In FIG. 10 as in FIG. 6 and in FIG. 8, a view B is shown in FIG. 4, but with the hook turned 90 degrees.

In FIG. 11 shows a section along DD in FIG. 10.

In FIG. 12 is a view E of FIG. 10.

In FIG. 13 is a view G in FIG. 10.

In FIG. 14 shows the remote element K in FIG. 13, enlarged.

In FIG. 15 shows a cross-section along II in FIG. 12, increased.

In FIG. 16 shows a top view (view B in FIG. 4) in the slightly open position of the sash to the length of the longitudinal groove in the cover plate to prevent unauthorized passage into the room due to the reliable engagement of the hook on the right slider.

In FIG. 17 shows a cross-section LL in FIG. 16.

In FIG. 18 as in FIG. 6, a view B is shown in FIG. 4, but without slopes on the longitudinal projections of the lining.

In FIG. 19 shows the same view E as in FIG. 12, but a rack-and-pinion ratchet mechanism is shown with a slider and a spring dog made of flat elastic material (in fact, the dog and spring for the dog are combined in one element, that is, in the spring dog) and one end rigidly attached to the slider.

-образную форму), концы 15 и 16 которого, огибающие продольные края накладки 1 вместе с продольными краями полок 10 и 11, расположены со стороны накладки 1, обращенной к направляющему корпусу 17, в котором с возможностью продольного перемещения и поворота размещен засов 12 с зацепкой 13. В правом ползунке 14 выполнено опорное отверстие 18 с возможностью прохождения сквозь него зацепки 13 после прохождения ею сквозь продольный паз 2 и с возможностью последующего зацепления зацепки 13 после ее поворота за правый ползунок 14, а зацепка 13 образована (в данном примере) выполнением поперечной кольцевой канавки 19 в засове 12. Отверстие 18 названо опорным, так как после прохождения сквозь него зацепки 13 правый ползунок 14 взаимодействует (можно сказать контактирует или упирается, опирается) через боковые стенки (в данном примере) этого опорного отверстия 18 с поверхностью поперечной кольцевой канавки 19 (в данном примере) засова 12, благодаря чему правый ползунок 14 может совершать лишь незначительные перемещения поперек засова 12, равные расстоянию между боковыми поверхностями опорного отверстия 18 и поверхностью поперечной кольцевой канавки 19 засова 12 при их соосном расположении, то есть практически равные глубине кольцевой канавки 19. Концы 15 и 16 правого ползунка 14 выполнены без возможности контактировать с продольными выступами 6 и 7. Продольные выступы 6 и 7 размещены на накладке 1 со стороны, обращенной к направляющему корпусу 17, по обе стороны продольного паза 2 с возможностью прохождения между ними зацепки 13. В направляющем корпусе 17 выполнена извилистая прорезь, состоящая из поперечной скважины 20 и соединенных с ее концами начальной скважины 21 и фиксирующей скважины 22, выполненных продольными и расположенных в противоположных направлениях от поперечной скважины 20, с возможностью перемещения вдоль них ручки 23, жестко закрепленной на засове 12 с зацепкой 13. Продольные выступы 6 и 7 выполнены по высоте, не превосходящей максимально возможный путь перемещения ручки 23 засова 12 в фиксирующей прорези 22. Направляющий корпус 17 при помощи крепежных элементов 24 жестко закреплен на косяке 25 с возможностью прохождения зацепки 13 при ее выдвижении наружу из направляющего корпуса 17 сначала между концами 15 и 16 правого ползунка 14, затем сквозь продольный паз 2 и потом сквозь опорное отверстие 18 в правом ползунке 14 с последующим зацеплением зацепки 13 при ее повороте за правый ползунок 14. На накладке 1 размещен реечный храповой механизм, содержащий зубчатые углубления 26, выполненные в верхнем продольном крае паза 2, и собачку 27, выполненную заодно вместе с отжимной ручкой 28. Собачка 27 подпружинена в направлении к зубчатым углублениям 26 пружиной 29, выполненной из упругой, например, стальной полоски, согнутой под углом. Собачка 27 и пружина 29 размещены в вырезе, выполненном в средней части ползуна 30, которая размещена с возможностью продольного перемещения в пазу 2 и к которой при помощи крепежа, например заклепок 31, жестко присоединены левая крышка 32 и правый ползунок 14. Левая крышка 32 выполнена в виде прямоугольной пластинки и расположена на накладке 1 внахлест с верхним и нижним продольными краями паза 2, то есть левая крышка 32 перекрывает продольный паз 2 по его ширине, при этом верхний край левой крышки 32 перекрывает зубчатые углубления 26 полностью. На левой крышке 32 и на правом ползунке 14 жестко закреплены (например, путем тугой посадки в предварительно просверленные отверстия) концы оси 33, на которой с возможностью поворота размещена подпружиненная собачка 27 между левой крышкой 32 и правым ползунком 14 в продольном пазу 2. В левой крышке 32 выполнено вспомогательное отверстие 34, через которое отжимная ручка 28 собачки 27 выведена наружу. На левой крышке 32 выполнен зацеп 35 путем загибания конца левой крышки 32 на 90 градусов с возможностью зацепления за скобку 36, жестко присоединенную к направляющему корпусу 17, причем длина зацепа 35 больше высоты продольных выступов 6 и 7 настолько, чтобы обеспечить зацепление зацепа 35 за скобку 36 при приоткрытой створке 5 (фиг. 16). Зацеп 35 выполнен на конце левой крышки 32, ближайшем к шарнирному креплению 3 накладки 1. Собачка 27 может быть выполнена пружинящей из плоского упругого материала и концом, противоположным отжимной ручке 28, жестко присоединена к ползуну 30 таким образом, как это показано на фиг. 19, при этом отжимная ручка 28 может быть выполнена заодно с собачкой 27 или жестко присоединена к собачке 27. Ограничитель угла поворота створки с зацепом на левой крышке и опорным отверстием в правом ползунке при отсутствии уклонов 8 и 9 у продольных выступов 6 и 7 показан на фиг. 18.The limiter of the angle of rotation of the sash with a hook on the left cover and a reference hole in the right slider contains a cover 1 made of a steel plate, with a longitudinal groove 2 of the same width along its entire length and a hinge 3 made in the form of a door hinge with the possibility of turning the lining 1 and rigidly fixed with fasteners 4 on the sash 5, which opens outward. On the lining 1, from the side opposite the sash 5, longitudinal projections 6 and 7 with slopes 8 and 9 are made at an angle of 90 degrees (Fig. 18 shows an option in which the longitudinal protrusions 6 and 7 do not have slopes) facing the hinge 3 The longitudinal projections 6 and 7 are made in the form of one of the flanges of squares (selected from the manufactured product range or stamped from metal, for example, steel sheet), the other flanges 10 and 11 of which are rigidly attached (for example, by spot welding or rivets) to the strip 1 from the side facing bolt 12 s hitch 13. The right slider 14 is put on the lining 1 with the possibility of moving along it (in cross section, when viewed from the free end of the lining, it has

-shaped shape), the ends 15 and 16 of which, enveloping the longitudinal edges of the lining 1 together with the longitudinal edges of the shelves 10 and 11, are located on the side of the lining 1 facing the guide body 17, in which the bolt 12 with a hook is placed with the possibility of longitudinal movement and rotation 13. In the right slider 14, a support hole 18 is made with the possibility of passing the hooks 13 through it after it passes through the longitudinal groove 2 and with the possibility of subsequent engagement of the hook 13 after its rotation by the right slider 14, and the hook 13 is formed (in this example) by making the transverse annular groove 19 in the bolt 12. The hole 18 is called the reference one, since after passing the hooks 13 through it, the right slider 14 interacts (we can say it contacts or abuts, rests) through the side walls (in this example) of this support hole 18 sec the surface of the transverse annular groove 19 (in this example) of the bolt 12, so that the right slider 14 can make only slight movements across the bolt 12, equal to the distance between the side surfaces of the support hole 18 and along the surface of the transverse annular groove 19 of the bolt 12 when they are coaxial, that is, almost equal to the depth of the annular groove 19. The ends 15 and 16 of the right slider 14 are made without the possibility of contact with the longitudinal protrusions 6 and 7. The longitudinal protrusions 6 and 7 are placed on the lining 1 from the side facing the guide body 17, on both sides of the longitudinal groove 2 with the possibility of passing hooks between them 13. In the guide body 17 there is a winding slot made up of a transverse borehole 20 and connected to its ends by the borehole 21 and the fixing well 22, made longitudinal and located in opposite directions from the transverse well 20, with the possibility of moving along them a handle 23, rigidly mounted on the bolt 12 with a hook 13. The longitudinal projections 6 and 7 are made in height, not exceeding the maximum possible path the movement of the handle 23 of the bolt 12 in the fixing slot 22. The guide body 17 with the help of fasteners 24 is rigidly fixed to the jamb 25 with the possibility of passing the hook 13 when it is pulled out from the guide body 17 with it started between the ends 15 and 16 of the right slider 14, then through the longitudinal groove 2 and then through the support hole 18 in the right slider 14, followed by the engagement of the clutch 13 when it was turned by the right slider 14. On the plate 1 there is a ratchet gear containing gear recesses 26 made in the upper longitudinal edge of the groove 2, and the dog 27, made at the same time with the squeezing handle 28. The dog 27 is spring-loaded towards the tooth recesses 26 by a spring 29 made of an elastic, for example, steel strip, bent at an angle. The dog 27 and the spring 29 are placed in a cutout made in the middle of the slider 30, which is placed with the possibility of longitudinal movement in the groove 2 and to which, using fasteners, for example rivets 31, the left cover 32 and the right slider 14 are rigidly attached. The left cover 32 is made in the form of a rectangular plate and is located on the lining 1 with an overlap with the upper and lower longitudinal edges of the groove 2, that is, the left cover 32 overlaps the longitudinal groove 2 along its width, while the upper edge of the left cover 32 completely overlaps the toothed recesses 26. On the left cover 32 and on the right slider 14, the ends of the axis 33 are rigidly fixed (for example, by tight fit into pre-drilled holes), on which the spring-loaded dog 27 is rotatably placed between the left cover 32 and the right slider 14 in the longitudinal groove 2. In the left the lid 32 has an auxiliary hole 34 through which the squeezing handle 28 of the dog 27 is brought out. A hook 35 is made on the left cover 32 by folding the end of the left cover 32 90 degrees so that it can be hooked onto a bracket 36 rigidly attached to the guide body 17, the hook 35 being longer than the height of the longitudinal protrusions 6 and 7 so as to ensure that the hook 35 is hooked 36 with ajar sash 5 (Fig. 16). The hook 35 is made at the end of the left cover 32, closest to the hinge 3 of the lining 1. The dog 27 can be springy of a flat elastic material and the end opposite the squeezing handle 28 is rigidly attached to the slider 30 in the manner shown in FIG. 19, the squeezing handle 28 can be made integral with the dog 27 or rigidly attached to the dog 27. The limiter of the angle of rotation of the leaf with a hook on the left cover and a reference hole in the right slider in the absence of slopes 8 and 9 of the longitudinal protrusions 6 and 7 is shown in FIG. eighteen.

The limiter of the angle of rotation of the sash with a hook on the left cover and a reference hole in the right slider that opens outward, is used as follows.

The hinge 5, made in the form of a door hinge, is rigidly connected to the sash 5 using fasteners 4 (screws or screws). A pivot 1 with a longitudinal groove 2, gear recesses 26, a right slider 14 having a support hole 18, a dog 27 having a wring handle 28, a spring 29, a slider 30, rivets 31, a left cover 32 having the auxiliary hole 34 and the hook 35, as well as the axis 33. On the jamb 25 by means of fasteners 24, a guide housing 17 is rigidly fixed, inside which there is a deadbolt 12 with a handle 23 and a hook 13, with the possibility of the passage of the hook 13 first between the ends 15 and 16 of the right slider 14, then through the longitudinal groove 2 in the lining 1 and then through the reference hole 18 in the right slider 14 after preliminary turning the lining 1 around the hinge 3 until the ends 15 and 16 of the right slider 14 are in contact with the jamb 25 or the end of the guide body 17, resulting in a longitudinal groove 2 in the lining 1 and the support hole 18 in the right slider 14 should be located opposite the hook 13, and the hook 35 should engage with the bracket 36, that is, the hook 35 should be located inside the bracket 36 (Fig. 1, 2, 4, 6, 13). If it becomes necessary to open the sash 5 with a limited angle of rotation, the lining 1 is rotated around the hinge 3 until the ends of the slider 14 touch 15 and the jamb 25 or the end of the guide body 17 and the hook 35 is placed inside the bracket 36, and the longitudinal groove 2 and the support hole 18 in the right slider 14 opposite the hook 13 (Figs. 4-7, 13), moreover, to facilitate the installation of the right slider 14 in the desired position on the cover 1 near the hinge 3 can be made a protrusion (not shown), In contact with, for example, the right slider 14, the support hole 18 and the groove 2 are located opposite the hook 13, and the hook 35 is placed inside the bracket 36. Then the bolt 12 for the handle 23 is moved along the guide body 17 until the hook 13 comes out, while the hook 13 passes sequentially between the ends 15 and 16 of the right slider 14, through the longitudinal groove 2 in the patch 1 and the support hole 18 in the right slider 14, the handle 23 of the bolt 12 is moved along the initial well 21 until it enters the transverse well 20 (Fig. 8, 9). Then, the handle 23 is moved along the transverse well 20 until it enters the fixing well 22, while the deadbolt 12 is turned around its axis by 90 degrees together with the hook 13, which with both its edges engages with the right slider 14 (Fig. 10-13) and reliably fixes the cover 1 from a possible unauthorized rotation around the hinge 3, for example, when an attacker tries to open the cover 1 during an ajar sash 5, first slip a thin elastic strip between it and the jamb 25 (not shown in the drawing), the sharply slammed the flap 5, followed by its dramatic opening. After that, open the locks (not shown) on the sash 5, press down on the squeezing handle 28, disengaging the spring-loaded dog 27 from the gear recesses 26, and open the sash 5 either for the entire length of the groove 2 or for its part, releasing the squeeze the handle 28 of the spring-loaded dog 27 in the desired position of the sash 5 (Fig. 3, 16). At the same time, at the beginning of the turn of the sash 5, the right slider 14 for the hook 13 through the lining 1 and the slopes 8 and 9, interacting with the jamb 25 or the end face of the guide body 17, smoothly pulls out a bit of the bolt 12 together with the handle 23, which has moved to the fixing well 22 by a distance equal to the height of the longitudinal protrusions 6 and 7, is securely fixed from unauthorized rotation. As a result of this, the possibility of turning the bolt 12 and removing the hook 13 from the mesh with the right slider 14 is prevented with the sash 5 ajar, which guarantees against unauthorized entry into the room. In this position of the sash 5, the right slider 14 through the support hole 18 is placed and securely fixed by the hook 13 on the bolt 12, and the hook 35 is located inside the bracket 36, that is, locked between the bracket 36 and the guide body 17, so that the spring-loaded dog 27 can only make insignificant displacements (extremely small compared with the length of the groove 2 and which during design can be set noticeably smaller than the pitch of the gear recesses 26) across the bolt 12, not exceeding the depth of the transverse annular groove 19 in the bolt 12 with and coaxial arrangement or the sum of two gaps: the gap between the bracket 36 and the hook 35 and the gap between the hook 35 and the guide body 17. When an attacker tries to jerk the sash 5 until it stops after it has previously been slammed, it either does not open at all due to the penetration of the dog’s tooth 27 into the toothed recess 26, or it will move to a distance that is less than the pitch of the toothed recesses 26. And this will not lead to a strong impact and will not damage the limiter of the angle of rotation of the sash with a hook on the left cover and a reference hole to the right m slider, and also reliably protects against unauthorized entry into the room. If the dog 27 is not spring-loaded and not springy (in accordance with paragraph 1 of the claims, there is no spring 29 and the dog 27 is not springy, that is, made of inelastic material), then before opening the sash 5, the dog 27 is disengaged with a toothed recess 26, pressing the squeezing handle 28 down if such engagement occurs, and then the sash 5 is opened either the entire length of the groove 2 or part thereof, for which, in the required position, the sash 5 is pressed from the bottom up on the squeezing handle 28, introducing doggy 27 meshing with one of the toothed recesses 26. In this case, when the dog 27 is not spring-loaded, in order to prevent the attacker from performing a shock action by the sash 5 by abruptly slamming it and opening it, it is necessary to constantly squeeze the squeeze handle 28 from the bottom up while communicating with the potential attacker. the absence of slopes 8 and 9 of the longitudinal protrusions 6 and 7 (Fig. 18) after moving up to the stop of the handle 23 along the transverse well 20, it is necessary to pull the cover 1 together with the right slider 14 from the jamb 25 to the stop, with this handle 23 will move to the end along the fixing hole 22, thereby fixing the handle 23 together with the hook 13 from a possible unauthorized rotation, and the longitudinal protrusions 6 and 7 will leave the zone of possible engagement with the jamb 25 or the guide body 17. After that, the locks are opened (on not shown) on the sash 5, press down on the squeezing handle 28, disengaging the spring-loaded dog 27 from the engagement with the toothed recesses 26, and open the sash 5 either for the entire length of the groove 2 or for its part, releasing the squeezing handle 28 in the desired sash position 5.

To return the lining 1 to its initial state, in which it is leaned against the leaf 5, and the leaf 5 can be fully opened, it is necessary to perform the above steps with the structural elements of the leaf angle limiter with a hook on the left cover and the reference hole in the right slider in the reverse sequence.

The use of the leaf angle limiter with a hook on the left cover and a reference hole in the right slider for the leaf opening inward is carried out by the same sequence of operations as for the leaf opening outward, with the difference that the cover 1 with the longitudinal groove 2, right a slider 14 having a support hole 18, toothed recesses 26, a dog 27 having a squeezing handle 28, a spring 29, a slider 30, rivets 31, a left cover 32 having an auxiliary hole 34 and a hook 35, and also with an axis 33 through a hinge molar mount 3 by means of fasteners 4 are attached to the jamb 25 by longitudinal projections 6 and 7 in the direction of the sash 5, which is rigidly attached by means of fixing elements 24 the guide body 17, which accommodates the bolt 12 with a handle 23 and a hook 13.

The leaf angle limiter with a hook on the left cover and a support hole in the right slider can be widely used for doors of residential premises opening both outside and inside, in order to prevent intruders from posing as law enforcement agencies, social and medical support, post offices, house managers, trade organizations, and so on.

The leaf angle limiter with a hook on the left cover and a reference hole in the right slider can also be widely used for office doors in cases where, for example, under security rules, you need to receive correspondence for painting without passing the courier or postman into the room.

Information sources:

1. Notes on Class 05 in the International Patent Classification 2013, Advanced Level in XML, Website: http://www1.fips.ru/wps/portal/IPC/IPC2013_extended_XML/?xml=http://www1.fips.ru /IPC2013_extended_XML/AIpc-20130101_subclass-E_XML/Aipc20130101-class_E.xml.

2. GOST 23166-99 WINDOW BLOCKS.

3. GOST 27346-87 Hardware-hardware. Terms and Definitions.

4. Dictionary of the Russian language: In 4 volumes / Academy of Sciences of the USSR, Institute of Russian. language; Ed. A.P. Evgenieva. - 3rd ed., Stereotype. - M.: Russian language, 1985-1988.

5. Ozhegov S.I. Dictionary of the Russian language: approx. 57,000 words / Under. ed. Doct. filol. sciences, prof. N.Yu. Swede. - 14th ed., Stereotype. - M .: Rus. lang., 1982. - 816 p.

6. Encyclopedic Agricultural Dictionary-Reference: Ed. V.M. Malchenko. - M .: State. ed. agricultural. lit., 1959. - 1032 s.

7. Krainev A.F. Dictionary reference to mechanisms. - 2nd ed., Revised. and add. - M.: Engineering, 1987. - 560 p., Ill.

8. GOST 5091-78, Hardware accessories for wooden windows and doors, types. - M .: publishing house of standards. 1987.

9. Website: http://www.doorlock.ru/article/13.

10. RF patent for utility model No. 115392, Е05С 17/00, published on April 27, 2012.

11. Website: http://archie.com.ua/ru_c01_cepochka_dvernaja1.html.

12. RF patent for the invention No. 2565798, ЕСС 17/02, published October 20, 2015. Bull number 29.

13. Alexandrov A.V. Resistance of materials: Textbook. for universities / A.V. Alexandrov, V.D. Potapov, B.P. Derzhavin; Ed. A.V. Alexandrova. - 3rd ed. corrected - M .: Higher. school., 2003 .-- 560 p.: ill.

14. Stepin P.A. Resistance of materials: Textbook. for non-machine building. specialist. universities. - 9th corrected - M .: Integral-Press, 1997. - 320 p.

15. Darkov A.V., Shpiro G.S. Resistance of materials: Textbook. for universities. - 4th ed. reslave. - M .: Higher. school., 1975 .-- 655 p.

16. Elementary textbook of physics: In 3 vols. Ed. Academician G.S. Landsberg. - 10th ed., Revised. and add. - M .: Nauka, 1985. / T. 1. Mechanics. Heat. Molecular physics. - 606 s.

Claims (3)

1. The limiter of the angle of rotation of the sash with a hook on the left cover and a reference hole in the right slider, comprising a hinged cover with a longitudinal groove, a deadbolt with a handle fixed relative to it and an end fixed with respect to it, made with the possibility of passing through the longitudinal lining groove guiding the housing in which the bolt is located and in which a winding slot is made, consisting of a transverse well and connected to its ends of the initial well and fixing of the first well, made longitudinally and located in opposite directions from the transverse well, with the possibility of moving the handle of the deadbolt along them, as well as on the side of the cover facing the guide body, at least one longitudinal protrusion is made, while on the cover with the ability to move along she wears the right slider, in which the reference hole is made with the possibility of passing through it hooks after it passes through the longitudinal groove of the lining and then with the possibility of engagement of the hook for the right slider after its subsequent rotation, characterized in that on the cover plate there is a rack-and-pinion ratchet mechanism comprising a toothed rack with at least one toothed recess in one of the longitudinal edges of the groove and a dog equipped with a squeezing handle, which can be pressed out of the toothed recess and moved to a longitudinal groove between the right slider and the left cover, which is placed on the overlap with both longitudinal edges of the groove and connected to the right slider with the possibility of moving with it and the dog in l of the longitudinal groove, while on the left cover there is a catch with the possibility of engaging in a bracket rigidly attached to the guide body, and in the right slider or left cover there is an auxiliary hole through which the squeezing handle is brought out, and the catch is made long enough to engage the bracket with ajar sash. 2. The limiter according to claim 1, characterized in that in the longitudinal groove between the left cover and the right slider is placed and rigidly attached to them a slider with a cutout, in which a dog is placed, mounted with the possibility of rotation on an axis fixed with its ends on the right slider and the left lid, while the dog is spring loaded relative to the slider towards the rack and is made at the same time with the squeezing handle protruding outward through the auxiliary hole made in the left lid, which is made in the form of a rectangular plate , The spring for the pawl is formed from elastic strip bent at an angle and positioned in the recess of the slide, the rack comprises a plurality of toothed recesses plate is formed as a plate, hinging lining is designed as a door or window hinge. 3. The limiter according to paragraphs. 1 and 2, characterized in that a springy dog is placed in the cutout of the slider, which is made of elastic material and the end opposite the squeezing handle is rigidly attached to the slider.

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