Lock. RU patent 2512817.

FIELD: construction.

SUBSTANCE: lock is designed for locking of different storages, suitcases, doors, etc. It includes a body with a keyhole, guide stands are connected with the body, at least one of which is code-perceiving. The lock has an extracted key with bits made as capable of rotation in the body. A crossbar with a key hole is arranged in the body as capable of reciprocal motion and has a through slot. Code plates (level tumblers) are movably arranged in the crossbar slot, forming a lower kinematic pair with it. Level tumblers have code ledges that interact with code-perceiving stands, and a hole, the side surface of which during rotation of the key interacts with teeth of the key bit. Code-perceiving stands may have teeth or slots, which interact accordingly with false slots or teeth of level tumblers. The side surface of key bit teeth is made along the part of the side surface of the cylinder, coaxial to the key.

EFFECT: improved design.

14 cl, 6 dwg

The technical field

The invention relates to the production of locks, and more specifically to the device key locks, coded plates (cogaltma). The invention can be used, for example, to lock the various kinds of cabinets, safes, vaults, suitcases, doors, for mechanical locking of various devices, and other things like that.

The level of technology

Despite the great variety of locks with rotating cylinders, lockable pins, CD's and other code elements; castles code lock, opened without the use of a key; finally, a variety of designs locks, electronic, laser, biometric and other, locks, coded plates (cogaltma, with German Zuhaltung - stop, delay) preserved up to the present time special importance. Coalitie locks have a number of advantages over other: their code and sadovospasskaya elements are in depth for the protection of the door leaf and armored plates, which makes them difficult drilling and manipulation picks; cuality can made quite massive and strong while maintaining a reasonable size castle; renovation of the castle, including the search code plates and change the code lock, simple and accessible to any specialist. The known construction of locks with cogaltma over the last century have not undergone fundamental changes.

In General as is known structures [1, 2] include the case in which the guides move the crossbar, spring-loaded plate code (cuality), made with the possibility of reciprocating or swinging movement, which in the released state block the movement of the bolt through tabs, interacting with the stand. When the lock turning the key this last teeth of his beard moves cuality so that through different heights teeth barb each Zagaleta occupies such a position that its projections released rack, and Rigel receives the freedom of movement. With further turning the key one of his teeth barb promotes Rigel, opening or closing the castle. In one famous design option [3] cuality with their code ledges revolve around an axis that is attached to the chassis and the rack attached to the bolt. In another variant known [4], on the contrary, axis and rotating it cuality attached to the bolt, and the reception is to the body. From the point of view of security and strength of these options are basically equivalent. The second option allows to decrease the dimensions of the castle.

Improve the design spaltig castles aimed at increasing resistance against intellectual hacking (through manipulation picks), and against the power of hacking. So, lock design [5] contains a body with cover, Rigel with a fixed sadovospasskaya stand, spring-loaded code plates installed from the side of the rack crossbars with the possibility of displacement in the transverse direction to move the crossbar. For increased durability against intellectual-proof lock is equipped with spring-loaded locking plate, made with the control device is its moving and located on the outer side of the castle, with the possibility of overlap keyhole after the first half of the key holding in this period the situation in the groove, made in the middle part of the keyhole. This improvement complicates the simple manipulation hook picks, but with the help of a special tool in the form of coaxial made of keys that are entered into the Central hole of the well, hacking possible. In addition, the castle is unstable against the power of hacking. So, when release the bolt weakest point is sadovospasskaya hour, which is deformed or cut, freeing the crossbar.

In another famous design [6] the castle contains a body with a cover, the inside of which is the code part, made in the form of cross-beam plates with curved base to which is welded four stud bolt from the calibrated steel with a diameter exceeding 20 mm, and also in twelve spring-loaded code plates arranged six on both sides transom plate with the possibility of displacement in the transverse direction to move the latch plate into the code grooves code plates placed sadovospasskaya hour fixed on transom plate to the chassis with one side in the area code part fixed the reservation a plate, with the total length of the rod bolt made not less than 70 mm, the size of departure them in working order is made not less than 40 mm, and one of the core of bolt made with means of protection against sawing composed of heat-hardened rod and ball, located in the channel of a rod with his free hand with the possibility of rotation about the longitudinal axis, with the teeth of the transom plate captured by the key made beveled and local areas weakened strength the possibility of their destruction during the application of a force greater than the force from the key. The design allows to increase the resistance to the force breaking through the rational choice of materials and sizes of building elements. Design bolt increases resistance to his perelivania. Execution of teeth bolt captured by the key areas weakened strength prevents power moving bolts svartisen. However, resistance lock to release the bolt is low: it is totally determined by the resistance sadovospasskaya resistant to bending and shear, because sections of the rack, held ledges code plates executed console, and the resistance console bending low.

Known design spaltova castle with swivel cogaltma [7]. The castle contains common axis with many turning cogalt interacting with each individual tooth barb key. In this case the points cogalt interacting with different radius teeth barb key, between the input and output projections, made identical to each other. This makes reading the code lock picks or other tools through the keyhole is very difficult. However, the resistance of the castle against the power of hacking is limited by the strength sadovospasskaya racks that can be accomplished very wide and strong.

Closest to the claimed invention of technical substance and achieved a positive result is the construction of the security lock for safe Carl Wittkopp GmbH & Co KG [8]. In part of the castle is the crossbar with attached sadovospasskaya stand. Free movement rack inhibit several parallel cogalt, which are made with the possibility of rotation around a common axis attached perpendicularly to the chassis. When you turn the key, he merlons of his beard affects cuality, and under the action of key cuality occupy a position in which grooves their frontal part of form General passage sadovospasskaya rack crossbar. After that, with further turning the key one of teeth barb key pushes the bolt. To improve the reliability of the castle at least one of cogalt made as a blocker. When you reject this last actuates the mechanism of blocking the movement of all other cogalt. The castle, however, is not enough to withstand the power of hacking, mainly due to the small section sadovospasskaya rack, which can be broken power influence on the crossbar. Hour cannot be made wide enough due to the fact that it should take place in a groove, located in one of the code positions cuality. The increase rack width and groove will reduce the amount of code positions and reduce the secrecy of the lock. Constant rotation cogalt around a common axis contributes to abrasion as this last and holes cogalt, which leads to the appearance of gaps; these latter entail the reduction of the strength and reliability of the castle. When opening a lock power influence on crossbar force is transmitted through a complex chain: from bolt - to sadovospasskaya rack, rack - to Zagaleta, from Cugat - axis, from axis - the housing from the housing - to the power door. This long chain contains the weak links: rack and axis, which more than other parts subjected to wear of friction and break down when power effect.

Disclosure of the invention

The aim of the invention is to increase the resistance of the castle against the power of hacking, simplify design and increase of reliability of the castle.

The technical result is achieved by the claimed design is the increasing resistance of the castle against the force impact on the crossbar, while reducing the number of moving parts of the castle and the exclusion of kinematic pairs of rotation of power circuit Rigel - power elements door.

What sadovospasskaya hour (hours) are directly connected with the case and that cuality placed in a groove of a bolt and form with him lowest kinematic pair is new in comparison with the prototype. This can reduce the number of moving parts of the castle and exclude kinematic pair of rotation of power circuit Rigel - power elements door. Effort on the crossbar is passed immediately zuhalten and from them - sadovospasskaya racks, the chassis and power elements doors. All this together allows to increase the resistance of the castle against the force impact on the crossbar. Thus, because of the new essential features of a design is reached claimed technical result.

In the particular case of the invention, the castle contains advanced at least one spring intended to return a code of plates (cogalt) to its original position when the key is removed and/or guide pin located in the center of the keyhole and connected with the case.

In the particular case of the invention, the Rigel contains two symmetrically located connecting plates between which there is a slot to accommodate a code of plates (cogalt), and/or the crossbar contains elements of high-strength material, placed between the flitches.

In the particular case of the invention, the casing and sadovospasskaya racks have holes designed for fastening of the castle to the supporting structure, such as a door cloth or ribs door. This improves the resistance force, because force from bolt through cuality is passed on sadovospasskaya hours, and from them directly to the power door. From the power circuit excluded the lock body.

In special cases the invention, the surface at least one sadovospasskaya hours have grooves made with the possibility of interaction with the response teeth on code plates (zuhalter), or Vice versa, the surface at least one sadovospasskaya rack has prong, made with the possibility of interaction with mating slots on the code plates (zuhalter). This improves the stability of the castle against intellectual opening through manipulation of master keys.

In the particular case of carrying out the invention of the hole code plates (cuality), the side surface of which when you turn the key communicates with beards key has two parallel faces, intended for simultaneous interaction when you turn the key with teeth opposite punch key; the surface of the tooth barb key, designed for interaction with the sides of the hole code plates (cuality), made in the form of the sidebar the surface of the cylinder axis coincides with the axis of rotation of the key; and the radii r 1 and r 2 cylindrical surfaces of teeth opposite punch key, designed to interact with the opposite sides of the hole code plates (cuality), satisfy the expression

r 1 +r 2 =d+Delta that

where d is the distance between the opposite parallel faces holes code plates (cuality), m;

d is the gap between the key and the edges of the hole code plates (cuality), m

All this allows to achieve a smooth and vibration-free work of the castle, and without the use of springs that allows you to create heat resisting the construction of the castle.

In the particular case of the invention, the maximum width of the code of plates (cogalt) is greater than the distance between the guide posts.

In the private if the invention, the castle contains two sadovospasskaya hours, serve as guides to bolt, and the distance b v between code projections code plates (cuality) not more than

where In the distance between sadovospasskaya racks, m;

alpha - gap between the bolt and sadovospasskaya racks, m;

b is the gap between the code plate (sugalite) and keyway bolt, m;

l - length of the shoulder code plates (cuality) between the axis of rotation of the key and sadovospasskaya stand, m

Brief description of drawings

Figure 1 shows the scheme of a simple lock design the claimed invention: a - frontal section in a locked state; b - shaped incision in the locked position; in - frontal section in the unlocked state; g - shaped incision in the unlocked state.

Figure 2 depicts the construction of the castle of the claimed invention with eight cogaltma different configuration and key complex profile: a profile incision in the locked state; b - frontal section in a locked state; in - shaped incision in the position that corresponds to the moment of the beginning of movement bolt; g - frontal section in the position that corresponds to the moment of the beginning of the movement of the bolt.

Figure 3 shows the calculation scheme of dimensional chains Rigel - Zagaleta - sadovospasskaya stand with the necessary clearances.

Figure 4 shows the scheme of interaction of the sector piercer key with parallel faces holes cuality.

12 - restrictive ledge;

13 - hole for fixing the lock;

14 - interposer bolts;

15 - high-strength element bolts;

16 - rivet;

17 - high-strength element bolt, made with the possibility of rotation;

18 - elektronaladka;

19 - prong cuality;

20 - groove sadovospasskaya hours;

21 - prong sadovospasskaya hours;

22 - groove cuality;

and , and - side cuality;

b, b - coded tabs cuality;

B - the distance between sadovospasskaya racks;

b R - width bolt;

alpha - gap between the bolt and sadovospasskaya, guides racks;

β the gap between cuality and keyway bolts;

b V - the distance between code tabs cuality;

l - length of the shoulder code plates (cuality) between the axis of rotation of the key and sadovospasskaya stand;

d is the distance between the opposite parallel faces holes cuality;

r 1 , r 2 - radii side the surface of teeth opposite punch key interacting with the same sugalite;

d is the gap between the barbs key and opposite sides of the hole cuality;

theta is the angular width of a punch key.

The implementation of the invention

An example of the implementation of the claimed invention is shown in scheme 1. Lock box includes a body 1 with key hole 2 and the guide pin 3. Rigel 4 is placed in the frame with the possibility of reciprocating motion. Rigel has shaped 5 hole for the key. The code plate (Zagaleta) 6 slides freely in the groove bolt perpendicular to its direction of motion. Zagaleta has a hole 7. Rack rails 8 and sadovospasskaya 9 hours attached to the case. Spring 10, freely placed in the case, keep sugalite in the original position. Key 11 inserted into the lock and can rotate around the axis of the guide pin. The limits of rotation of key restricts the ledge 12 in shaped hole bolt. The 13 holes for fixing the lock to the door or other supporting structure pass through the chassis and the rack of the castle.

The lock works as follows. In the initial position (Fig 1, a and b) spring 10 hold sugalite 6, aligning it side to side a , and along the side faces bolts 4. Code the tabs cuality b, b is made with an offset from the side of the parties cuality. The distance between the sides cuality a , a little more than the distance between the guide posts 8, so cuality 6 paper guides rest against 8 hours, excluding the possibility of movement of the bolt 4 left. One of the code projections rests on sadovospasskaya rack 9, thereby eliminating the possibility of movement of the bolt 4 right. For unlocking (figure 1, and d) 11 insert the key and turn it. Prong barb key rests on the upper side holes 7 cuality and, overcoming the force of the spring 10, removes sugalite 6 up until then, until a code projections b, b will not line up with the edges sadovospasskaya racks. Then Rigel 4 receives the freedom of movement. While you rotate the key 11 the teeth of his beard against the edge of shaped holes 5 bolts and push back the bolt, thereby Opera castle. When the bolt is fully removed from further rotation of the key keeps the ledge 12 in shaped hole bolt.

Castle with one sugalite has a low secrecy. Design is more secret castle with a large number cogalt shown in figure 2. Each of cogalt 6 slides freely in the groove bolt. Movement cogalt limited only by springs, located in the housing. In the initial position (figure 2, a and b) all cuality aligned action of springs, on the sides and along the side faces of the crossbar. Their holes are all facing each other, providing the ability to insert and remove the key. Code ledges b, b, by contrast, shifted some cogalt one way, others in another, so that one cuality run code the tabs in one sadovospasskaya rack, others - to another, and the General action exclude the possibility of movement of the bolt. To unlock the lock, it 11 insert the key and turn it (figure 2, b and g). Teeth opposite punch key 1 interact with the opposite sides of the hole each cuality and, overcoming the action of springs, shifting some cuality up and the other down. The sizes of teeth selected so that each Zagaleta was put teeth opposite punch key in the position in which the code the tabs cuality b, b just line up with the edges sadovospasskaya racks. While you rotate the key cogs his beard rest against the side of shaped holes bolt and pushed him.

The ability to freely sliding bolts in the housing and cogalt in the groove bolt is ensured by proper selection of sizes, providing the planting of these components, with a guaranteed clearance. From a rational choice of the gap depends on the reliability and security lock. The settlement scheme of dimensional chains shown in figure 3. If the distance between sadovospasskaya racks 9 is In, and the width bolt 4 b is R , the gap between the bolt and the posts are In-b R =α. Zagaleta placed in a groove of a crossbar with a gap?. This allows sugalite parallel, maximum, on the angle whose tangent is there β:b V b V - the distance between code projections. If Zagaleta held teeth punch key for the middle part of the axis of rotation of the key, the lateral displacement of its code of projections γ relatively bolt at maximum warp will be g=l·β:b V , where l is the length of the shoulder between the axis of rotation of the key and sadovospasskaya stand. Consequently, the maximum possible offset code projections regarding sadovospasskaya racks will be α+g=α+l·β:b V . For trouble-free operation of the lock it is necessary to code the tabs cuality passed between sadovospasskaya stands, as much as possible offset. To do this, the distance between code projections b V must satisfy the condition

b V ≤In-alpha-l·β:b V .

Equality after elementary algebraic transformation leads to a quadratic equation for the maximum value b V

b Vmax 2 -(B-a)·b Vmax +l· & beta=0.

The solution of this equation is

Because searched the maximum size for a working one must take the second solution, which gives better results.

For example, when?= & beta=0.1 mm, B=30 mm, l=25 mm solution gives b Vmax =29,82 mm, a lock will work perfectly, if the distance between code tabs on 0,18 mm smaller than the gap between sadovospasskaya racks. When the value of structural gaps?= & beta=0.2 mm calculation gives the maximum permissible size b Vmax =29,63 mm Both in the first and in the second case, the gap between code tabs cogalt and sadovospasskaya stand does not exceed 0,5 mm, which satisfies the requirements of GOST 5089-97 for locks of 3rd and 4th class.

For reliable blocking move the crossbar shift code projections cogalt in the original position should to be not less than the value In b V . When a reasonable amount of constructive clearances from 0.1 to 0.2 mm rational to take the shift code projections from 1 to 5 mm with a step of 1 mm in one way or the same number to another, which gives in the amount of 10 possible code provisions each cuality and 10 values of the size of a teeth barb-key. Lock with two cogaltma will provide 10 2 =100 combinations, which is quite enough for locking furniture and mailboxes, suitcases and interior doors. Castle with six cogaltma for front doors will provide 10 6 =1000000 combinations and the castle with eight cogaltma for locking the safes - 10 8 =100000000 combinations.

The smoothness of the castle is ensured by the absence of collisions code projections cogalt 6 sadovospasskaya racks 9 at the opening of the lock right key 11. This requires that when entering the code ledges each cuality the target sadovospasskaya racks cuality 6 moved only in conjunction with the transom-4 in the direction of its movement, remaining motionless relatively to the crossbar. It depends on the form barb key 11, the teeth of which hold cuality in position.

Should the shape of teeth, barb key 11 and their interaction with the sides of the hole cuality 6 presented on figure 4. Condition smooth and vibration-free work - immobility cuality relatively bolt - is executed if the surface of the tooth barb key, designed for interaction with the sides of the hole cuality, made in the form of part of the lateral surface of the cylinder axis coincides with the axis of rotation of the key. If the angular width of a punch key features q, their cylindrical the surface comes into contact with the side surface of the hole cuality when the key does not reach the perpendicular to the direction of movement of the bolt on the angle theta, contact while you rotate the key in and out of the contact, when the key will go for a specified perpendicular to the angle theta. Thus, Zagaleta remains fixed, while the key is turned on the angle 29. If the side surface of the prong barb key 11, interacting with figure 5 hole in strap hinges-4, has a radius R, the course of crossbars in a stable position cuality will be πRθ/180 degrees (an arc of a circle the appropriate radius angle is observed for 2).

If the hole cuality 6 made so that his side has two parallel faces, each of which when you turn the key 11 interacts simultaneously with a teeth opposite punch key, then when you turn the key to the above angle will Zagaleta installed position by only one of the 11 key, without the participation of springs 10. Therefore, in this configuration key, and holes cogalt the presence of springs is not necessary. This is beneficial, as the steel springs inherent Vice - to lose its elastic properties at heating up to 600-800°N The castle also indicated construction can be done quite resistant to heat, if all of its elements run from heat resisting alloys. That key 11 freely rotate in the castle, a small constructional gap between 8 bit key and the sides of the hole cuality; thus, it turns out that the radii r 1 and r 2 cylindrical surfaces of teeth opposite punch key 11 designed to interact with the opposite sides of the hole cuality 6, should satisfy the expression r 1 +r 2 =d+Delta that where d is the distance between the opposite parallel faces holes cuality 6. The value of d you can take the same for all cogalt, and you can select different. In the latter case, the key will not work to the castle, if at least one cuality condition is true r 1 +r 2 =d+Delta that you have this condition creates additional freedom combinations, and increases the degree of secrecy of the lock.

Rational design bolt shown in figure 5, and. To simplify manufacturing and rational use of metal bolt are made of composite; it contains two symmetrically located connecting straps 14, between which there are plug-15 elements of high-strength material, such as steel 65X13, pre-heat-treated; between these elements 15 left blank groove to accommodate cogalt. All these parts are connected by rivets 16.

Figure 5, figure 6 shows the enhanced design of the bolt, with increased resistance to force action. Planck 14 is U-shaped, protecting the crossbar from all sides. Plug-in item 15 is a cavity in which freely available, with the possibility of rotation, one or more items 17 of high-strength material, such as balls or rollers, similar to those used in bearings, steel SHKH15, pre-heat-treated. Planck 14 connected with plug-in elements. 15 using electronuclear 18. This construction improves the stability bolt against sawing, as freely rotating ball or roller can not be cutting impact of the tool.

The design of the castle with a high resistance to intellectual opening via lock picks figure 6 presents. As is known, at the opening of the lock picks, especially one pick give tension to the bolt to code the tabs cogalt clung to sadovospasskaya reception, and then pick another move cuality to align their code the tabs on the edge of sadovospasskaya hours. On 6 and presented variant cuality 6-wave 19 and at least one sadovospasskaya 9 hours with 20 slots. When tensioning bolt Zagaleta pressed against sadovospasskaya reception, tooth gets into a groove, and the movement cuality becomes impossible. Especially effectively make the teeth on both sides cuality and both sadovospasskaya stand with the slots; to arrange them so that as soon as one prong is released from the groove one stands, the other prong gets in the groove other pole. Another option presents figure 6, b. In this case, at least one sadovospasskaya hour 9 performed with a tooth 21, which can enter into the grooves 22 cuality 6. Does this design is similar to that described above.

Industrial applicability

The proposed construction of the castle has a clear purpose, can be carried out by specialist in practice and in the implementation provides the realization of the stated purposes.

The possibility of a specialist in practice follows from the fact that for each element, included in the claims on the basis of the description of known material equivalent. The design of the lock case with stands and guide pins, bolts, cogalt, springs and key clear from the description and the accompanying drawings. Ways of their realization (machining, stamping, welding) simple, well-known and widely applied in industry. The key described form (with lateral cylindrical surface of the ribs, coaxially to the axis of rotation of the key) it should not produce through milling, turning, placing the key in the appropriate diameter his rod mandrel and holding Chuck lathe. This complicates the fake key.

The possibility of realizing the stated purpose by carrying out the invention proved by the examples of implementation. This applies to any of the particular cases of the claimed invention, characterized dependent claims.

Sources of information

1. Patent Finland №114329 / Haapaniemi J.; Lindstroem M; Pihlaja O. - IPC EV 21/00, EV 25/02, publ. 30.09.2004.

2. Patent Finland №83801 / Boudin Per-Olov (SE) - IPC EV 25/00, EV 15/14, publ. 15.05.1991.

1. The castle, which includes building with key-hole, and with the United housing guide racks, at least one of which is sadovospasskaya; key with beards, housed in a body with possibility of rotation and with the possibility of removal from the castle; the crossbar with a hole for the key, located in the body with the possibility of reciprocating motion perpendicular to the axis of rotation of the key with a through groove, whose axis is perpendicular to the direction of movement of the bolt; at least one code plate (sugalite), located in the groove bolt, forming with the lower crossbar kinematic pair with the possibility of reciprocating motion code plates (cuality) regarding the crossbar in the direction perpendicular to the direction of traffic bolts in the housing and perpendicular to the axis of rotation of the key and the code plate (Zagaleta) has at least one code ledge, made with the possibility of interaction with sadovospasskaya stand, and the hole side surface made with the possibility of interaction when you turn the key with at least one tooth one barb key.

2. Castle of claim 1, characterized in that it additionally contains at least one spring intended to return a code of plates (cogalt) to its original position when the key is removed.

3. Castle of claim 1, characterized in that it additionally contains a guide pin located in the center of the keyhole and connected with the case.

4. Castle of claim 1, characterized in that the deadbolt contains two symmetrically located connecting plates between which there is a slot to accommodate a code of plates (cogalt).

5. Castle according to claim 4, wherein the deadbolt contains elements of high-strength material, placed between the flitches.

6. Castle of claim 1, characterized in that the body and sadovospasskaya racks have holes designed for fastening of the castle to the supporting structure, such as a door cloth or ribs door.

7. Castle of claim 1, characterized in that the surface at least one sadovospasskaya hours have grooves made with the possibility of interaction with the response teeth available on code plates (zuhalter).

8. Castle of claim 1, characterized in that the surface at least one sadovospasskaya rack has prong, made with the possibility of interaction with the response, the slots available on code plates (zuhalter).

9. Castle of claim 1, characterized in that hole combination plates (cuality), side the surface of which when you turn the key communicates with beards key has two parallel faces, intended for simultaneous interaction when you turn the key with teeth opposite punch key.

10. Castle of claim 9, wherein the surface of the tooth barb key, designed for interaction with the sides of the hole code plates (cuality), made in the form of part of the lateral surface of the cylinder axis coincides with the axis of rotation of the key.

11. Castle of claim 10, wherein the that radii and r 1 and r 2 cylindrical surfaces of teeth opposite punch key, designed to interact with the opposite sides of the hole code plates (cuality), satisfy the expression r 1 +r 2 =d+Delta that where d is the distance between the opposite parallel faces holes code plates (cuality), m; d is the gap between the key and the edges of the hole code plates (cuality), m

12. Castle of claim 1, wherein the maximum width of the code of plates (cogalt) is greater than the distance between the guide posts.

13. Castle of claim 1, characterized in that it contains two sadovospasskaya hours, serve as guides to bolt.

14. Castle indicated in paragraph 13, wherein the distance b v between code projections code plates (cuality) not more than

where is the distance between sadovospasskaya racks, m; alpha - gap between the bolt and sadovospasskaya racks, m; and b is the gap between the code plate (sugalite) and keyway bolt, m; l - length of the shoulder code plates (cuality) between the axis of rotation of the key and sadovospasskaya stand, m