DE1062571B - Lock with classification key for guard locking and movement of the bolt into the open position by means of a lever connected to the door handle - Google Patents

Description

GERMAN

The invention relates to a lock with a classification key for tumblers and movement of the bolt into the open position by means of a lever connected to the door handle, the classification key is designed as a certain combination of holes having strap wrench through which when turning the lever handle actuated spring-loaded feeler pins reach through, the bolt lock only by means of the hole combination of the key corresponding to the arrangement of the stylus is released and the lock Opened from the inside by means of a door handle that is independent of the outside without using the key will.

In such a known lock, the stylus pins are attached to the handle by means of a, cam provided disc moves. However, this training only has a group of stylus pens that interact with the strap wrench and are moved together with a cage. By Cutouts at the rear end of the stylus is also controlled by a slider, which is operated by a lever a cam of the door handle moves the lock on the bolt operated. This well-known castle is available as a two-speed Bolt lock formed. This makes the lock as a result of the one or the two full for the opening and closing process required turns of the door handle for the numerous parts particularly prone to failure, especially since they have to be actuated when opening and closing.

The object of the invention is, in a lock with classification key for the stylus and the separate resulting movement of the bolt by the door handle to further increase security and to simplify the operation process.

According to the invention, the requirements listed above are met in that the stylus in two groups, one in the direction of actuation of the stylus in front of the and the other is divided behind the key slot that by part of the stylus of the rear group an unlock, by another part a locking of the locking ram is effected, the one in the locking position with the bolt connected driver outside of the range of motion of the door handle lever holds, in Unlocked position the pivotable driver after removing a locking slide moved by the door handle lever for taking the bolt into the open position by the door handle releases while the bolt can be moved into the locking position by the spring pressure of the spring.

In a further embodiment of the invention, the feeler pins that unlock or lock the locking ram act on resilient parts that can be disengaged or brought into engagement with the lugs of the locking ram.

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Lock with arrangement key
for guard locking and movement
of the bolt in the open position
by one with the door handle
associated lever

Applicant:

Dr.-Ing. Karl-Otto Schmidt,
Darmstadt, Oppenheimer Str. 3

Dr.-Ing. Karl-Otto Schmidt, Darmstadt, has been named as the inventor

The bolt is frictionally connected to the inner rotary knob and with a at the head end sloping edge formed. As a result, the lock can be opened when the outer door handle and the feeler pins are in the rest position can only be closed by slamming the door.

The system of holes in the key and the mechanism of the stylus is arranged in such a way that groups and Subgroups of several locks belonging to an apartment or company are formed and can be operated by subgroup, group and a master key.

The progress achieved in relation to the known with the subject of the invention consists primarily in dividing the stylus into two groups, the front and the rear, creating a larger number the possible combinations is given, especially since the rear stylus can be used to lock or unlock of the locking stamp. Furthermore, the security against scanning the hole system in the Key increased by the fact that not every hole in the key has a passage of the associated dowel pin beyond the slot and it is not possible to tell from the individual holes whether the associated stylus is used when stepping through leads to unlocking or locking. Other advantages result from the following Description.

In the drawing, the subject matter of the invention is shown in one embodiment, namely shows Fig. 1 a floor plan of the castle,

Fig. 2 a section AB according to Fig. 1,

Fig. 3 is a side view,

Fig. 4 the Allen key.

909 579/57

In the lock according to the invention, the classification key only serves the purpose of the front Group of styli corresponding to the hole combination in the key the stylus of the rear group map to unlock the lock stamp.

The key therefore receives z. B. the shape of a sheet metal strip (z. B. from ⁱ U mm thick sheet steel in the size of, for example, 20 x 50 mm), which is provided with one or more rows of holes. As is known from telegraph technology, a combination of five holes can be used to ^{produce 2 5} = 32 letters, ie different characters. If you are therefore the metal strip z. B. two rows of ten hole combinations each, you can create 2 ²⁰ = 1048576 different possibilities, ie around 1 million different keys. If you increase the number of rows of ten hole combinations from two to three, you get a number of around 1 billion different keys. Even so, the key remains small and light. Still other combinations are e.g. B. possible by changing the hole shape and the hole spacing.

The opening lever actuated by the door handle or the latch remains idle for so long, i. H. opens Not the bolt when there is no key or the wrong key is in the lock. Will be the right key inserted into the narrow slot provided for this purpose, where it clicks into place (for precise fixation of its Position), when the pawl begins to rotate, it is first hinged to the pawl Lever actuates the front group of stylus.

A simplified lock consists, for. B. from only 2 ¹⁰ = 1024 different key types of the perforated key. The ten feeler pins of the front group actuate the feeler pins of the rear group when the pawl begins to be depressed, which, depending on their arrangement and setting, cause a blocking or unblocking (release) of the locking plunger of the lock. This means that it is not possible to determine the correct key shape by taking an impression, since with a ten-hole key all ten stylus pins are actuated for each type of key. If certain holes are missing in the key in the case of the correct key, only the desired probe pins of the second group are moved by the probe pins of the first group that pass through the holes and cause the lock to be unlocked.

Is, however, z. B. a wrong key in the slot, which for example has one more hole than the right one Key, the stylus, which is otherwise blocked by the correct key, reaches through this hole and causes the lock to be blocked by the stylus, which is otherwise not actuated. • Furthermore, the castle is built in such a way that it can be accessed from can open inside without operating a key. The door can also be opened without slamming Using a key. To enable easy one-hand operation of the lock and achieving high precision for the key mechanism is key with a Locking device, e.g. B. a ball catch provided, so that other fitting devices on the lock are not required are.

The operation of the opening process is now provided according to the invention so that the first Depressing the pawl first actuates the stylus. Is the wrong key inserted or none Key in the lock, so you can turn the pawl as far as it will go without disconnecting the lock opens. The opening process is idle.

If the correct key is in the lock and it is properly engaged, the stylus will now be used causes a coupling of the driver on the bolt with the pawl, which continues to rotate, and that Lock open.

In order to avoid damaging the mechanism of the stylus, this is over with the pawl resilient intermediate links connected. Overturning of the pawl is in any case due to a firm stop prevented.

If the lock is to be operated or secured by a key from both sides, this is it Hole system of the key and the mechanism of the stylus pins symmetrical to the one on the longitudinal axis of the Execute key vertical axis of symmetry of the hole plane.

In many cases it is desirable to have several subgroups with one group key or master key to be able to open locks. This task can also be accomplished with the system described by a appropriate selection of the holes that the group key and the subgroup keys have in common are, meet.

The following is a description of the opening process in the exemplary embodiment according to FIG. 1 to 4.

At the beginning of the depression of the pawl 4 , the spring set 12, which consists of ten springs, is actuated via the lever 13. These springs press the springs F _i to F _i0 against the feeler pins D ₁ to D _i0 , which are equipped with return pressure springs so that they return to their original position when the pressure ceases. During the movement process, the stylus D _i to D ₁₀ now pass through the slot 16. If the correct key, shown in Fig. 4, is inserted in this slot, some stylus can pass through according to the arrangement of the holes in this key, while others cannot. In this example, the pins _j D ₁ , D ₃ , D _i , D _s , D ₉ , D _{i0 pass} through the holes L _v L ₃ , L _i , L ₈ , L ₉ and L ₁₀ , the other pins find none Holes in the key and are thus excluded from further movement. The pin D ₅ also has a hole L ₅ in the key, but does not meet any through-hole in the pin sleeve 15. This is another possible variant.

On the other side of the pin socket 15 , the stylus pins D _v D ₃ etc. of the front group now meet the stylus pins d _v d ₃ etc. of the rear group, which are also equipped with return springs. Due to their uniform displacement, they unlock by pushing away the springs a, c, d, h, i and the nose 10 on the right side of the lock. If the wrong key or no key had been inserted in the lock, the nose 9 would then be blocked via the pins _{D 2} , D ₆ and D ₇ via the pins d ₂ , d ₆ , d ₇ and the locking springs B, F ₁ G .

The locking ram 11 with the lugs 9 and 10 can now lower itself, since the locking slide 8 has also moved to the right in the meantime and has released the locking ram roller 14 behind the bevel of the locking slide.

In this way, the driver 7 can lower under the pressure of the leaf spring 6 and lie in front of the upper edge of the opening lever 5. This means that there is now the non-positive connection between the pawl via the opening lever 5 and the driver 7

Claims (5)

with the bolt of the lock, and the lock can be opened by further depressing the latch. To operate the lock from the inside without operating a key, a button 3 is provided which engages directly in the bolt of the lock. The stops 1 and 2 limit the deflection of the pawl and thus protect the mechanism of the stylus against excessive stress. The ball detent spring 17, together with the ball and the ball detent 18, ensures that the key engages correctly, which is provided with a slight incline at the beginning to lift the ball. Patent claims: 1. Lock with classification key for tumblers and movement of the bolt into the open position through a lever connected to the door handle, the classification key being designed as a specific combination of holes zo pointing strap wrench through which spring-loaded feeler pins that are actuated when turning the handle reach through, the bolt lock is only released by means of the hole combination of the key corresponding to the arrangement of the feeler pins and the lock is opened from the inside by means of a door handle independent of the outside without using the key, characterized in that the feeler pins are in two groups, one in the direction of actuation of the The stylus in front of the and the other behind the key slot (16) is divided that by a part (z. B. d _v d _s , d _A , d _a , d _g , d _1Q ) of the stylus of the rear group an unlocking, by another part (z. B. d ₂ , d _e , d ₇ ) a blocking of the locking ram (11) is effected, the in the blocked position one with the bolt connected driver (7) outside of the range of motion of the door handle lever (5) , in the unlocked position releases the pivotable driver after removing a locking slide (8) moved by the door handle lever for driving the bolt into the open position by the door handle lever (5) , during the The bolt (R) can be moved into the locked position by the spring pressure of the spring (Z _1). 2. Lock according to claim 1, characterized in that the locking ram (11) unlocking (z. B. d _v d ₃ , d _it d _8> d _g , d ₁₀ ) or locking stylus (z, for example d ₂ , d ₆ , d ₇ ) on resilient, with the lugs (9, 10) of the locking ram out of engagement (e.g. B ₁ F, G) or in engagement (e.g. a, c, d, h, i, j) bringable parts work. 3. Lock according to claim 1, characterized in that the bolt (R) and the inner rotary knob (3) are positively connected to one another. 4. Lock according to claim 1, characterized in that the bolt (R) is formed for the purpose of slamming the wing to be locked by the lock on the head with an inclined edge. 5. Lock according to claim 1, characterized in that the hole system in the key and the mechanism of the stylus is arranged so that groups and subgroups of several locks belonging to an apartment or a company are formed and by subgroup, Group and a master key can be operated. Considered publications:
German Patent Nos. 23 567, 469 833;
French patent specification No. 651 377. 1 sheet of drawings © 909 579/57 7.59