EP0304761B1 - Installation for the using of lockers or the like - Google Patents

Abstract

The invention relates to an installation for using the locks of hotel-room doors, the lockers of swimming baths or similar equipment, with a central dispensing station located in the region of an entry point of the hotel, swimming bath or the like and intended for locking elements (keys), each fitting a specific lock of the various doors, lockers or the like, and with a locking-element return device which is located in the region of an exit point and which interrogates the locking element and evaluates it, for example in respect of a charge for use, and which is connected by information line to the dispensing station, and proposes, in order to achieve optimum handling, that the locking element should bear an additional code (for example, bar code) for the purpose of tracking its route during use. <IMAGE>

Description

The invention relates to a system according to the preamble of the main claim.

In the known solutions of this type (DE-A-34 21 667), tailored to the use of bathing establishments, a strip-shaped closing element in the area of the dispensing station is provided with a magnetic coding. This corresponds to a corresponding magnetic coding of a specific lock. After having received such a coded locking element from the dispensing station against payment, the guest goes to the bathing establishment to the associated locker and can actuate this in view of the corresponding magnetic coding. When he leaves the bathing establishment, he puts the closing element in the return device. Due to the information connection between the return device and the delivery station z. B. be checked whether the bather has exceeded his time. If not, he can leave the bathhouse through the curfew; if he exceeded them, he would have to pay back. The advantage of this solution is that the locking elements are only coded when they are issued and this in accordance with the coding of a specific lock. In order to take into account the problem that the coding of a plurality of locking elements which are issued one after the other is different from one another, but on the other hand no line connection from the dispensing station to each lock is necessary, In order to pass on the respective associated different coding there, this prior-art solution proposes that the magnetic coding of the locking element in the output station be carried out in accordance with an update program which is identical to a program stored in the associated lock. The solution in this regard is relatively complex electronically. It is also not absolutely up to all possible errors; For example, difficulties can arise if a guest does not go to his locker with the correspondingly coded locking element, which he received at the delivery station of the entry barrier, and for some surprising reason immediately leaves the bathing establishment again. Then the lock itself did not receive the update command, which was coded on the previous unused locking element.

The object of the present invention is to design a generic system in such a way that it embodies greater security against mishandling, in particular with an electronically simplified structure, but without impairing the security when properly used.

This is solved by the invention specified in the characterizing part of the main claim. The subclaims represent advantageous developments.

As a result of this design of a corresponding system, it is achieved that, despite considerably lower electronic expenditure, which is of particular advantage in hotel buildings or bathing establishments in particular, the ease of use and the operational safety are greater. Nevertheless, it is not necessary to connect the dispensing station to the individual locks via cables. The locks can rather be largely based on locks that can also be used elsewhere, e.g. B. the embodiment according to EP-A- 0 024 242. The locking element card has area magnetization on the one hand, and an identifier on the other. This is preferably designed in the form of a bar code. Such solutions can be handled in the most common form today. The additionally available magnetization combination serves to actuate the magnetic tumbler pins of the locks arranged in a corresponding local combination. The characteristic of the invention consists in the fact that the issuing station in each case assigns a very specific magnetization combination to a specific locking element card identified by the bar code identification and the further course of the card is not followed in use by the magnetization combination, but rather by the bar code identification, which is much easier to track. The output station, e.g. B. a PC with a printer for the locking element card, registers the bar code identifier in relation to the region-by-region polarization of the locking element card carried out within the output station. This assignment is recorded in the memory of the output station. The return device then again identifies only the bar code identifier via the identification interrogation device and initiates the message to the extinguishing device of the dispensing station, so that one knows there that the user of the room or locker associated with this magnetization combination has already left the bathing establishment or the hotel and the same Magnetization combination can be assigned to a new locking element card with bar code recognition and output. The locking element card itself does not even have to be returned to the issuing station immediately in order to be able to make the same lock (room door or the like) available to the next guest as quickly as possible. In this respect, the turnover in lock usage per unit of time is significantly promoted. On the other hand, at the end of a certain period, e.g. B. a bathing day, a complete return of the locking element cards collected in the return device take place in the locking element card memory of the dispensing station. The same locking element cards with the same bar code identifiers can therefore be used again. There can also be no problems if someone leaves the hotel, the bathing establishment or the like without having used their lock at all. Also, there is no risk of burglary, as in other systems, in that a guest procures two locking element cards in order to use only one for himself and to wait with the other until another guest has occupied a certain room, subject or the like. If a locking element card is lost, the associated lock is initially no longer available. Major key functions can also be realized through corresponding expenditure.

According to an advantageous further development of the invention, it can be provided that an interval is displayed repeatedly or can be called up via locking elements that have not returned. If the magnetization combination of the locks can then be changed, for example via an operating tool in accordance with the proposal according to EP-A-0 024 242, and that the output station indicates a command as to which change should be made, in accordance with the further development of the invention To avoid any magnetization combination that corresponds to a locking element card that has not yet returned, the supervisor of the hotel, the bathing establishment or the like can further exclude each moment of abuse by changing the magnetization combination. Magnetization combinations of locking element cards that have not returned will be eliminated for a reasonable period of time. If, on the other hand, a lock is to be opened when a key is lost, the issuing station can be instructed by a separately authorized person to issue the same locking element card that belongs to the corresponding lock. On the other hand, it can then be queried via the bar code identifier whether and when a previous issue of a supposedly lost locking element card is at all has taken place, or whether the same has not been registered by the return device. The control for compliance with prescribed usage times takes place via the bar code recognition. About this bar code identifier at the output, for. B. the hotel reception or at the curfew of a bathing establishment, additional services used, such as solarium use, drinks shopping etc.

The subject matter of the invention is shown in an exemplary embodiment in an exemplary embodiment with respect to a bathing establishment:

The main entrance to the bathing establishment or the like is designated by the number 100. From there, the visitor enters an anteroom 200. In order to be able to use the bathing establishment, he has to pass the entrance barrier designed in the form of a turnstile 300. The turnstile is supported about a vertical axis 400 and has a plurality of turnstile arms 500 arranged one above the other, which prevent unauthorized passage. It can also be used in a hotel, with the entrance station and exit station located at the so-called reception.

An output station 600 for card-shaped locking elements is assigned to the input barrier 300. The latter has a control panel 700. The money must be entered there. In the output station 600 there are several, preferably stacked, locking element cards 800. These have different bar codes. The latter can be read by a corresponding device of the output station 600. After the money has been inserted, a specific locking element card 800 is removed from the stack, the coding of which is recorded and placed under a magnetization device which magnetizes the locking element card 800 in regions, illustrated by the magnetic partial surfaces MP of the locking element card located under the magnetization device 800 '. An electronic memory of the output station 600 stores which specific magnetization combination (local assignment including lateral polarity of the fields MP on the card 800 ') belongs to the respective bar code identifier of the locking element card. Then the card is issued. The user takes them along the path indicated by the arrow and goes to the associated locker of the schematically illustrated locker row S. The swimmer finds the affiliation by means of a corresponding digit print on the lock element card 800, which digit print is made during magnetization or afterwards. He actuates lock 1100 with his card. He could not operate other locks due to the magnetization combination MP not matching. After he has finished using the bathroom, he goes to the curfew. The turnstile 1600 is provided there. In order to cause the turnstile 1600 to open, he places his locking element card in a tabular 1800 of a return device 1700. This contains an identification query device. This scans the bar code identifier of the locking element card 800. This, on the one hand, in order to check via the information connection to the dispensing station 600 whether the prescribed bathing time has been observed or has been exceeded. If the service is followed and no additional services are used, the turnstile will be released for opening. The returned card is collected. At the same time, the reading by the identification query device initiates a delete command to the output station 600 in such a way that the corresponding magnetization combination is registered again as free and available again, available for assignment to another locking element card 800 with a different bar coding identifier.

In the following figures, several solutions for a lock are shown as exemplary embodiments, which automatically changes over to a new magnetic coding if it is operated with a specifically designed command key becomes. This makes it possible to dispense with the display device. It is no longer necessary and no longer necessary to move the lock with a tool or the like. If, for example, a locking element card does not return in the evening, a corresponding command key is issued the next morning. It causes the lock to be switched to the new magnetic coding, which is then retained until such an accident occurs again.

Fig. 1

ein an eine Schließfach-Tür zu befestigendes Schloß mit einem zugehörigen kartenförmigen Schlüssel,

Fig. 2

eine Draufsicht auf Fig. 1,

Fig. 3

in vergrößerter Darstellung das Schloß gemäß der ersten Ausführungsform teils im Längsschnitt, teils in Ansicht vor dem Einschieben des Schlüssels,

Fig. 4

einen Schnitt auf Höhe der einen Breitseite des Schiebers unter Veranschaulichung der in Zahneingriff zueinanderstehenden Träger,

Fig. 5

den Schnitt nach der Linie V-V in Fig. 4,

Fig. 6

eine der Fig. 4 entsprechende Darstellung, jedoch bei um einen Schritt weitergedrehten Trägern nach Verlagerung des Schiebers mittels eines Befehlsschlüssels,

Fig. 7

den Schnitt nach der Linie VII-VII in Fig. 6,

Fig. 8

eine Draufsicht auf den Schieber gemäß der zweiten Ausführungsform, vergrößert dargestellt,

Fig. 9

in stark vergrößerter Detaildarstellung einen Ausschnitt des Schiebers im Bereich des Trägers und des diesem zugeordneten, gehäuseseitig gelagerten Steuergliedes,

Fig. 10

eine Zwischenstellung bei der Vorverlagerung des Schiebers mit vom Steuermagneten verschwenktem Steuerglied,

Fig. 11

die darauffolgende Zwischenstellung unter Veranschaulichung der erzwungenen Drehbewegung des Trägers,

Fig. 12

den Schieber in vollständig vorverlagerter Stellung,

Fig. 13

eine teilweise Draufsicht auf den Schieber mit Träger und der diesen drehenden mehrgliedrigen Klinke, betreffend die dritte Ausführungsform,

Fig. 14

einen Querschnitt durch den Schieber auf Höhe eines pendelartig angeordneten Permanentmagneten betreffend die vierte Ausführungsform,

Fig. 15

eine Draufsicht auf Fig. 14,

Fig. 16

einen Querschnitt durch den Schieber auf Höhe eines Permanentmagneten, welcher um eine Querachse um 180 Grad verlagerbar ist,

Fig. 17

eine Draufsicht auf Fig. 16, und

Fig. 18

Übersichts-Skizze für ein Ausführungsbeispiel bezüglich einer Badeanstalt.

Show it:

Fig. 1

a lock to be fastened to a locker door with an associated card-shaped key,

Fig. 2

2 shows a plan view of FIG. 1,

Fig. 3

in an enlarged view the lock according to the first embodiment, partly in longitudinal section, partly in view before the key is inserted,

Fig. 4

3 shows a section at the level of one broad side of the slide, illustrating the girders which are in mesh with one another,

Fig. 5

the section along the line VV in Fig. 4,

Fig. 6

4 shows a representation corresponding to FIG. 4, but in the case of carriers rotated further by one step after the slide has been displaced by means of a command key,

Fig. 7

the section along the line VII-VII in Fig. 6,

Fig. 8

a plan view of the slide according to the second embodiment, shown enlarged,

Fig. 9

in a greatly enlarged detail, a section of the slide in the area of the carrier and the associated control element mounted on the housing,

Fig. 10

an intermediate position when the slide is advanced with the control member pivoted by the control magnet,

Fig. 11

the following intermediate position, illustrating the forced rotational movement of the carrier,

Fig. 12

the slide in the fully advanced position,

Fig. 13

FIG. 2 shows a partial top view of the slide with carrier and the multi-member pawl rotating it, relating to the third embodiment

Fig. 14

3 shows a cross section through the slide at the level of a pendulum-like permanent magnet relating to the fourth embodiment,

Fig. 15

14 shows a plan view of FIG. 14,

Fig. 16

3 shows a cross section through the slide at the level of a permanent magnet, which can be displaced by 180 degrees about a transverse axis,

Fig. 17

a plan view of Fig. 16, and

Fig. 18

Overview sketch for an exemplary embodiment relating to a bathing establishment.

In all the illustrated embodiments, the lock illustrated in FIGS. 1 and 2 has one not shown Elongated lock housing to be assigned to the locker door 1. At one end, this supports a rotary knob 2, with the aid of which a latch or a bolt can be withdrawn if the lock is in the unlocked position.

The rotary knob 2 can be coupled with a pusher mandrel 3 with a square cross section, by means of which a latch or bolt (not shown) can be withdrawn by means of wellchem.

In order to be able to operate the lock from the outside of the door, the lock housing is provided on the end face opposite the rotary knob 2 with an insertion slot 4 into which a card-like key 5 can be inserted. With regard to the key 5, the card is provided with a magnetic coding of sufficient rigidity to be able to displace a slide 6 guided inside the lock housing 1 by means of this card.

According to FIG. 3, an inner housing 7 inserted into the lock housing 1, which carries two guide plates 8 and 9 arranged parallel to the slide 6, serves to receive the slide 6. With regard to the guide plate 8, it is a plate made of ferromagnetic iron, while the other guide plate is designed to be non-magnetic. The guide plate 8 is thicker than the guide plate 9 adjacent to it and is loaded by a leaf spring 10, which in turn is supported on the bottom 11 of the inner housing 7. Before the key 5 is inserted, the guide plates 8, 9 lie flat against one another. If the key 5 occurs between the guide plates 8, 9, the guide plate 8 deflects resiliently in the direction of the base 11.

The anti-magnetic guide plate 9 is in turn supported on a blocking plate 12 made of non-magnetizable material. For the latter, brass is used in the exemplary embodiment. Are in the locking plate 12 in a corresponding distribution circular blocking openings 13, which correspond to blind holes 14 in the starting position of the slide 6. In part of the same, pin-shaped permanent magnets 15 are let in, which in turn are attracted by the guide plate 8 and thereby pass through the blocking openings 13. Depending on their arrangement, the permanent magnets act on the guide plate 9 with either its south or north pole. The slide 6 can therefore not be moved. It is otherwise under the action of a tension spring 16 which loads it in the direction of the insertion slot 4. The tension spring 16 engages on one end on a pin 17 of a cover 18 covering the slide 6 and on the other end on a control projection 19 extending from the slide 6. The latter is equipped with an inclined surface 20, by means of which, when the slide 6 is advanced, a leaf spring 21 fastened at the level of the insertion slot 4 on the inner housing 7 can be displaced in the direction of the arrow X, dragging a coupling sleeve 22 and thereby turning the knob 2 in the coupling position Lever pin 3 brings what allows the subsequent opening of the door.

However, advancing the slide 6 is only possible after inserting the prescribed key 5, which in the fully inserted position is supported with its front edge 5 'on a driving shoulder 23 of the slide located in the lock. In the key insertion position, the corresponding permanent magnets 15 are then aligned with the magnetization regions of the key positioned accordingly. As a result, the permanent magnets are repelled in the direction of the blind bores 14 and consequently leave the locking openings 13 of the locking plate 12.

To change the magnetic coding, the slide 6 according to the first embodiment (see FIG. 4) contains four mutually coupled, rotatable carriers 24, 25, 26, 27, each of which is equipped with a recoding magnet 28, 29, 30, 31. Outside the carriers 24 to 27 are provided with a toothing with which they mesh with one another. To accommodate the carrier 6, holes 32 are machined in the slide. The carriers, each equipped with a recoding magnet, are arranged relative to one another in such a way that the recoding magnets successively step into the position in front of an obstacle or out of this position due to the rotary movement of the carriers. The obstacle 33 is formed by a transverse edge of a longitudinal groove 34 which extends in the displacement direction y of the slide 6. Since there are four recoding magnets, four such longitudinal grooves 34 are also provided. They are located in the cover 18 of the inner housing 7 that overlaps the slide 6. The two longitudinal grooves 34 arranged further inward of the castle have a greater distance from one another than the two other longitudinal grooves 34.

However, only one of the four recoding magnets 28 to 31 serves as a real recoding magnet. 4 and 5, this is the recoding magnet 28. With its end facing the locking plate 12, when the command key 36 is not inserted, it protrudes into a longitudinal slot 35 of the locking plate 12 lying in the direction of displacement. The remaining encoding magnets 29, 30, 31 can then enter corresponding locking openings 13 immerse the locking plate 12, so that in this case they perform a function similar to the permanent magnets.

If the lock is assigned to a bathroom locker door, for example, the bather has a guest key comparable to key 5. Through this, all permanent magnets 15 and recoding magnets 29, 30, 31 are displaced such that they disengage from the blocking openings 13. This allows the slide 6 to be displaced in the direction of the arrow y to produce the clutch for the rotary knob 2. Only the recoding magnet 28 becomes not relocated here. The slide movement is nevertheless possible through the longitudinal slot 35 of the locking plate 12.

If the key of this bather does not get back to the return device 1700 after a certain time (e.g. until evening), the issuing device is given the command to issue a command key with which the lifeguard carries out the recoding. All permanent magnets and also the recoding magnet 28 are brought out of engagement with the locking plate 12 by this command key. The recoding magnet 28 therefore dips into the longitudinal groove 34. In the subsequent slide displacement in the direction of arrow y by means of the command key 36, the corresponding end of the recoding pin 28 then abuts the obstacle 33 of the longitudinal groove 34 and thereby forces the carrier 24 and the further carriers meshing with it to rotate in the direction of the arrow shown. After a displacement of the slide 6, the position shown in FIGS. 6 and 7 is then reached. The previous recoding magnet 28 has left its aligned position with the longitudinal groove 34, while the recoding magnet 29 of the carrier 25 has entered the recoding position. Using the previous guest key, it is therefore no longer possible to move the slider because of the offset encoding magnets. Furthermore, the guest must be given a new guest key, by means of which he can shift all of the magnets except for the recoding magnet 29 accordingly. This recoding can also be changed again by means of a lifeguard command key 36 ', in which case another recoding pin then enters the corresponding recoding position.

Variations on this embodiment are possible in that the number of carriers is changed. It is also possible to equip each carrier with more than one recoding magnet.

According to the second embodiment illustrated in FIGS. 8 to 12, the slide is designated by the number 37. The structure of the slide corresponds to that of the slide 8. One change is that the slide now accommodates two supports 38 and 39 lying next to one another at the same height. At its end facing away from the insertion slot, each carrier 38, 39 continues into a switching cam 40 which projects beyond the corresponding slide broad face 37 'and which forms switching cam edges 41, 42, 43, 44, which in turn are arranged in the manner of a Maltese cross. Each carrier 38, 39 also receives a recoding magnet 45, which in turn cooperate with corresponding locking openings in the locking plate 12.

The Maltese cross-like switching cam 40 passes through an inner opening 46 of a fixedly mounted control member 47. Its bearing journal 48 is suitably seated on the ceiling 18 of the inner housing 7. The bearing point of the one-armed control member 47 faces the direction of insertion of the key. With an edge lying approximately perpendicular to the direction of displacement of the slide 37, the inner opening forms the obstacle 49. The inner opening 46 is designed such that in the starting position of the slide three corners of the Maltese cross form stop surfaces for two inner opening walls 50, 51 which are at right angles to one another. Furthermore, a stop 52 is provided on the slide 37, against which the rear edge 53 of the control member 47 occurs. This secures the latter against rotation. When the slide is displaced, this securing is only canceled when the control magnet 54 has approximately passed the idle stroke. The stop 52 also causes, together with the edge 53, the last part of the remaining rotation of the Maltese cross into the basic position according to FIG. 8 when the slide is moved back.

A correspondingly polarized control magnet 54 is guided in the slide 37 at the level of the bearing point of the control member 47. When using a normal key, this will be Control magnet 54 not shifted. This means that the end of the control magnet 54 facing the locking plate runs in a longitudinal slot of the locking plate 12.

If the lock is to be recoded, a command key should be used as in the previous embodiment. This disengages the permanent magnets, the recoding magnet 45 and the control magnet 54 from the locking plate. After passing through a small idle stroke, the control magnet 54 acts with its end projecting over the wide surface 37 'of the slide on a control flank 55 of the control member 47 and lifts it into the position according to FIG. 10. This ensures that the obstacle 49 is then at the level of the switching cam edge 41 lies. With further displacement of the slide 37, the position shown in FIG. 11 is reached. From this it can be seen that the carrier 39 is rotated in the direction of the arrow by the obstacle 49. After the slide 37 has been completely advanced, the position according to FIG. 12 is then present. In this, the carrier 39 and the recoding magnet 45 consequently assume a different rotational angle position. If the slide 37 is now brought back into its initial position, the above-mentioned residual rotation of the carrier 39 takes place, so that the recoding magnet 45 is then aligned with another locking opening in the locking plate. The guest key previously used then no longer classifies this recoding magnet, and the slide 37 can therefore not be advanced in order to open the lock. A correspondingly coded key must be handed over to the next guest.

In the third embodiment modified in FIG. 13, the control member 56 is designed in the manner of a multi-unit pawl. It has an angle lever 58 mounted on the housing side of the pin 57. Its lever arm 58 'lies in the range of motion of a control magnet 54. Here too there is a short idle stroke between the control magnet 54 and the lever arm 58'. The other lever arm 58 '' carries by of a pivot pin 59 a ratchet lever 60, the blocking tooth 61 which forms an obstacle interacts with the teeth of the carrier 62 designed as a ratchet wheel. This receives a recoding magnet 63. A spring, not shown, loads the angle lever 58 counterclockwise. Its starting position is limited by a stop 64 on the housing side. Also assigned to the pawl lever 60 is a spring, not shown, which sits, for example, on the pivot pin 59 and which forces the pawl lever 60 into tooth engagement with the carrier 62.

If the usual key is used, the permanent magnets of the slide 65 and the recoding magnet 63 are brought out of engagement with the locking plate 12. The control magnet 54 runs through a longitudinal slot of the locking plate 12 and accordingly does not perform a locking function.

In this third embodiment, the recoding is also to be carried out by means of a corresponding command key which, in addition to the other magnetic pins, also shifts the control magnet 54 and lifts it out of the locking plate. Its end, which extends beyond the wide surface of the slide 65, is thus at the level of the lever arm 58 'of the control element 56. During the forward movement of the slide 65, the control magnet 54 acts on the lever arm 58 after an idle stroke and pivots the angle lever 56, whereby, as a result of further advancement of the slide 65 and Via the ratchet lever 60, the carrier 62 mounted in the slide 65 is rotated further. The recoding magnet 63 thereby receives a different position relative to the slide 65. In this position, when the slide 65 is moved back, it is aligned with a locking opening of the locking plate 12, so that the key previously used then no longer closes. A new key must then be given to the next guest. In this embodiment, the slide 65 can also be assigned two supports 62 of the same design with locking member 56. A modification of this embodiment could be made in that instead of the pawl lever 60 an anchor is provided as in a clockwork. A wind-up clock spring is then assigned to the carrier or its axis as an energy store. The lever arm 58 is not required in this embodiment. When the slide is advanced, the armature receives the command via the control magnet 54 to let the carrier rotate one step further, which force then results from the clock spring.

According to the fourth embodiment illustrated in FIGS. 14 and 15, the slide has the reference number 66. At least one of the permanent magnets 67 carried by it is guided with its end facing the locking plate 12 in a locking plate longitudinal slot opening 69. A further blocking plate longitudinal slot opening 70 runs parallel to this. With regard to the permanent magnet 67, it can be a control magnet for a previously described control element. No separate command key is then required to make the changeover. The following guest receives a key 68 illustrated in dash-dot lines in FIG. 14, which has two magnetic regions 71, 72 lying next to one another for the permanent magnet 67. The area 71 is polarized so that it acts on repulsion after the key 68 has been inserted. As a result, the permanent magnet or control magnet 67 is shifted into the position shown in broken lines in FIG. 14. Subsequent displacement of the key with slide 66 causes the control member located in the path of the control magnet 67 to be acted upon. After the feed of the slide has been completed, the dot-dash position in FIG. 15 is reached. This causes the permanent magnet 67 to move into the other pendulum position, caused by the reversely polarized magnetic area 72. To prevent the permanent magnet from pivoting prematurely, the locking plate 12 has a thickened portion 12 ′ between the longitudinal slot openings, in front of which the lower end of the permanent magnet when an attempt is made to relocate. Through the area 72, the relocated end 67 'is pulled into the adjacent locking plate longitudinal slot opening 70 and remains there even during the further locking operations by means of this key 68. The key previously used, on the other hand, cannot shift the slide 66. A further change can only be caused by a reissued key that forms correspondingly magnetized areas.

In order to allow the pendulum-shaped movement of the permanent magnet 67, the end of the receiving opening 73 facing away from the key is circular and the opposite end is oval. The longitudinal extent of this oval is transverse to the direction of displacement y of the slide 66.

A modification is possible in that a circular blocking plate blocking opening is selected instead of the control plate longitudinal slot opening 69. Then the permanent magnet 67 acts like the other permanent magnets. It always returns to the locking plate locking opening after the slide has been returned to its starting position. A key that corresponds to key 68 is then used for recoding. This means that the pendulum movement takes place in the forward position of the slide, after which the key magnetization or the magnetic region 72 pulls the shifted end 67 'into the locking plate longitudinal slot opening 70. Such a configuration is then independent of a control function for a carrier.

The fifth embodiment results from FIGS. 16 and 17. The slide 74 is provided with an elongated recess 75 running transversely to its direction of displacement. From the side of the slide facing the locking plate 12, two opposite bearing recesses 76 extend in the center, into which bearing pins 77 are inserted. The latter are part of a cylindrical sleeve, which is made of plastic and surrounds a permanent magnet 78 79. If the key is not inserted, the polarized end 78 of the permanent magnet 78 facing the locking plate 12 is drawn into a locking plate longitudinal slot opening 80 lying in the direction of displacement of the slider 74 up to the guide plate 9. This locking plate longitudinal slot opening 80 widens at the end opposite the insertion slot 4 in a T-shaped arrangement to a transverse slot 81. If a key 82 is now inserted, which has two adjacent, oppositely magnetically polarized regions 83, 84, the region 83 loads the permanent magnet 78 to repel it. As a result, it reaches the position illustrated in FIG. 16, in which the end 78 ′ facing the key still remains within the longitudinal slot 80. This is achieved in that the bearing recesses 76 limit the movement of the permanent magnet 78. During the advance, the end of the magnetic pin projecting beyond the corresponding slide width area can be used to control a control element which recodes a coding pin on the carrier side. The permanent magnet 78 thus serves as a control magnet. As soon as the permanent magnet or control magnet 78 has reached the transverse slot 81, it pivots by 180 degrees because it is exposed to the attractive force of the magnetic area 84 and is drawn into the longitudinal slot 80. A further use of the key 82 then leads to no modulation of the permanent magnet 78 and thus to no recoding. Again, this must be done using a key in which the magnetic areas are appropriately polarized. If the permanent magnet 78 is not used as a control magnet and only a locking plate locking opening is provided for it, an alternating lockability can be achieved by means of an appropriate key. This means that after locking by means of one key, locking is only possible by means of another key. A repeated closing by means of a key in a row is then not feasible.

A variant could be achieved in that the key receives an additional coding. This additional coding is evaluated when the key is inserted. If the key has the correct coding, an obstacle is introduced into the operative position by means of which a recoding takes place, be it a displacement of a permanent magnet or a displacement of a recoding magnet held by a carrier. The blocking plate openings and blocking plate longitudinal slots can optionally also be provided in an additional plate. The energy accumulator can be coupled to the slide in such a way that it is pulled up by a certain amount each time the slide is moved. Since the slider is operated more often without changing the position due to the more frequent normal key actuation, it is statistically evident that it never completely discharges.

Claims (25)

1. System for using the locks of hotel room doors, the lockers of swimming baths or the like installations with a central dispensing station (600) for locking elements (800, 800') (keys) each fitting a given lock (1100) of the different doors, lockers or the like, which dispensing station is provided in the region of an entrance station of the hotel, swimming baths or the like, and with a locking element return device (1700) which is provided in the region of an entrance station and which scans the locking element (800') and evaluates it for example with respect to a charge for use and which communicates for information purposes with the dispensing station, characterised in that the dispensing station (600) has a store of locking element cards (800, 800') with different codes and a magnetising device which polarises the locking element card (800') in zones to the magnet pin combination of a locker lock, and is further coupled to a memory which records the magnetisation combination belonging to the respective code, and in that the return device (1700) comprises a code scanning device which initiates an erase device of the dispensing station in such a way that the corresponding magnetisation combination is cleared for re-dispensing and allocation to a new code.
2. System according to claim 1, characterised by a device for indication of the locking element cards not entered in the code scanning device of the return device, which indication is repeated at intervals or can be called up.
3. System according to claims 1 and 2, characterised in that the magnetisation combinations of the locks (1100) can be altered, and associated with the dispensing station (600) is an indicating device which prescribes the alteration to be made to the magnetisation combination, differently to the unreturned locking element cards.
4. System according to claim 1, characterised by a lock (1100) which is converted automatically on operation with a given command key (36, 36').
5. System according to claim 1, characterised by a locker lock (1100) which has a magnetic coding, formed by individual permanent magnets (15) which are arranged in openings of a slide (6) and can be lifted out of their locking position by means of correspondingly positioned magnetisation zones of a key (5) which can be brought into a position parallel to the slide, whereupon the slide can be displaced into a lock open position, wherein some of the permanent magnets are provided as recoding magnets (28, 29, 30, 31, 45, 63), such that they are displaceable relative to the broad face of the slide out of one position into another position to alter the magnetic coding (recoding), and in that displacement of the recoding magnet(s) (28, 29, 30, 31, 45, 63) proceeds with sliding movement of the slide (6, 37, 65, 66, 74) by means of a command key (36, 36').
6. System according to claim 5, characterised in that the lifted recoding magnet (28, 29, 30, 31) during sliding movement of the slide (6) impinges on an obstacle (33) lying in its path of displacement.
7. System according to claims 5 and 6, characterised by several carriers (24, 25, 26, 27) coupled together, which are rotatable in the slide (6) and each provided with at least one recoding magnet (28, 29, 30, 31), which move successively due to rotary movement of the carrier into the position in front of the obstacle (33) and out of this position respectively.
8. System according to claim 6, characterised in that the obstacle (33) is formed by a transverse edge of a longitudinal groove (34) extending in the direction of displacement in the cover (18) above the slide (6).
9. System according to claim 7, characterised in that the rotatable carriers (24, 25, 26, 27) mesh with each other.
10. System according to any of claims 5 to 9, characterised in that the respective recoding magnet (28, 29, 30, 31) extends by its end facing towards the key, in the unlifted position, into a longitudinal slot (35) extending in the direction of displacement in a locking plate (12) arranged beneath the slide (6).
11. System according to any of claims 5 to 10, characterised in that at least one carrier (38, 39) associated rotatably with the slide (6) and comprising at least one recoding magnet (45), impinges by one of several control cam edges (41, 42, 43, 44) on an obstacle-forming, stationarily mounted control member (47) which is displaced into the path of the control cam edge by a control magnet (54) lifted by means of the command key.
12. System according to claim 11, characterised in that the control cam edges (41, 42, 43, 44) are arranged after the fashion of a Maltese cross.
13. System according to either of claims 11 and 12, characterised in that the control magnet (54) does not act on the control member (47), which is prevented from pivoting in the normal position of the slide, until after a short idle stroke of the slide (37).
14. System according to claim 12, characterised in that the Maltese cross extends into an inner opening (46) of the control member (47) forming the obstacle (49) at one edge.
15. System according to claim 11, characterised in that the control member (56) is designed after the fashion of a multi-section pawl, and the rotatable carrier (62) is constructed after the fashion of a ratchet wheel.
16. System according to any of claims 5 to 15, characterised in that at least one of the permanent magnets (67) can be transferred by its end (67') facing towards the key (68) after lifting out of its locking opening in the locking plate by its end facing towards the key into an adjacent longitudinal slot opening (70) in the locking plate.
17. System according to claim 16, characterised in that transfer consists of a pendulum movement about the opposite end of the permanent magnet (67).
18. System according to claim 16, characterised in that key magnetisation pulls the transferred end into the longitudinal slot opening (70) in the locking plate.
19. System according to claim 16, characterised in that the transferable permanent magnet is designed as the control magnet for the control member, and the transferable end extends in both positions into longitudinal slot openings (69, 70) in the locking plate.
20. System according to any of claims 5 to 19, characterised in that at least one of the permanent magnets (78) can be turned through 180° by its end (78') facing towards the key (82) after lifting out of its locking opening in the locking plate within the slide (74) about a transverse axis after displacement of the slide, such that the reverse polarised end is then facing towards the key.
21. System according to claim 20, characterised in that the locking opening in the locking plate continues into a longitudinal slot opening (80) which extends in the direction of displacement of the slide in the locking plate and to which a transverse slot extends in a T-shaped arrangement.
22. System according to claim 20, characterised in that the turnable permanent magnet (78) is designed as the control magnet for the control member.
23. System according to claim 6, characterised in that the obstacle can be driven into its working position as a function of additional coding of the key before slide displacement.
24. System according to claim 7, characterised in that an energy storing device and a control magnet-operated release device for step rotation of the carrier are associated with a recoding magnet carrier.
25. System according to claim 24, characterised in that the energy storing device is wound up by displacement of the slide.

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