EP3119936B1 - Türverriegelungsvorrichtung mit kombinierter lösung - Google Patents

Türverriegelungsvorrichtung mit kombinierter lösung Download PDF

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Publication number
EP3119936B1
EP3119936B1 EP15717815.3A EP15717815A EP3119936B1 EP 3119936 B1 EP3119936 B1 EP 3119936B1 EP 15717815 A EP15717815 A EP 15717815A EP 3119936 B1 EP3119936 B1 EP 3119936B1
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EP
European Patent Office
Prior art keywords
locking device
household appliance
operating
door locking
electrical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15717815.3A
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English (en)
French (fr)
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EP3119936A1 (de
Inventor
Stefano ROCCHITELLI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Elettrotecnica Rold SRL
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Elettrotecnica Rold SRL
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Publication date
Application filed by Elettrotecnica Rold SRL filed Critical Elettrotecnica Rold SRL
Priority to PL15717815T priority Critical patent/PL3119936T3/pl
Publication of EP3119936A1 publication Critical patent/EP3119936A1/de
Application granted granted Critical
Publication of EP3119936B1 publication Critical patent/EP3119936B1/de
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D06F39/14—Doors or covers; Securing means therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door
    • A47L15/4259—Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door

Definitions

  • the present invention relates to a combined release door locking device for household appliances, in particular to a combined release door locking device for washing machines; as well as to household appliances equipped with such a device.
  • Many household appliances have doors for accessing the operating compartment; a user opens such a door to load the operating compartment, closes it to start the working cycle of the household appliance and opens it again to unload the operating compartment once the working cycle has ended.
  • Such household appliances integrate door locking devices to prevent undesired releases of the door during the working cycle.
  • the door locking devices of self-cleaning ovens prevent releasing of the door during the cleaning cycle.
  • the respective devices prevent the releasing of the door during the washing cycle.
  • the mechanical safety means act in these cases to guarantee the closing of the doors to protect the users.
  • Household appliance manufacturers fit door locking devices as a function of the safety standards to be respected in the countries in which they intend to sell, and of the accessory functions to be implemented on their products. For example, many manufacturers provide the electrically controlled door release by pressing a button in addition to "manual" safety releases. Such different solutions require the availability of a multitude of door locking device models.
  • the known door locking devices are structurally different according to the implemented release functions.
  • One product range comprises door locking devices with the same features, and thus with the same implemented release functions.
  • the manufacturers of such devices must thus provide several ranges of products to guarantee the required availability to household appliance manufacturers.
  • household appliances manufacturers must choose the model of device with which to equip their products according to the functions to be conferred and the standards to which they are subjected.
  • Such a solution is particularly disadvantageous both for door locking device manufacturers and for household appliance manufacturers. In this manner, the first must foresee a multitude of combinations to determine which devices to produce; the second must consider the concerned markets in advance and the standards to be respected to decide which devices to purchase and stock.
  • a first specific object of the present invention is to make a modular door locking device, i.e. which can be selectively configured to implement multiple releases.
  • a second object of the present invention is to make a door locking device which can be adapted to any type of household appliance which it equips.
  • the inventive idea underlying the present invention relates to a door locking device designed to cooperate with multiple releasing modules, wherein such modules are installed as a function of the releases which the devices must guarantee.
  • the invention thus relates to a door locking device according to claim 1.
  • figure 1 is a combined release door locking device 1 according to the present invention.
  • the device 1 is intended for household appliances, and in particular is developed for guaranteeing the safety closing and combined release of washing machine doors.
  • the expression “combined release” indicates the function according to which such a device may release the household appliance door in response to a multitude of different opening commands. For example, a manually opening release control, an electric manual release control and an automatic electric release control.
  • the door locking device comprises locking means 5 adapted to reversibly engage door coupling means 40 of the household appliance which equips such a device.
  • Such locking means 5 can be activated in an engaging position, in which the door is closed, and in a disengaging position, in which the door is released.
  • the device 1 comprises a plurality of interfaces 10 operatively connected to the locking means 5.
  • Each of the interfaces 10 is respectively adapted to selectively receive multiple releasing modules 30 for activating the locking means 5 from the engaging position to the disengaging position. In this manner, the multiple releasing modules 30 can be installed for implementing one or more of the required desired controls.
  • the device comprises emergency unlocking means 85 which can be operated by the user to open the door in case of lack of electrical power of the household appliance.
  • the locking means 5 retain the coupling means 40 of the household appliance door.
  • the coupling means 40 are integral to the household appliance door and are generally an eyelet hook shaped.
  • the locking means 5 assume the engaging condition when the household appliance door is closed, e.g. during the washing cycle of the household appliance.
  • the device comprises a supporting surface 6 on which the interfaces 10 are obtained.
  • the locking means 5 comprise an operating wheel 8 rotational about a transverse axis to assume the two engaging and disengaging positions, which correspond to two different angular positions of such a wheel.
  • the coupling means 40 emerge from a mouth 7 obtained on the supporting surface 6 to be engaged by the operating wheel.
  • Figure 2 again shows an embodiment of a device 1 comprising a mechanical manually operated interface 11; a electrical manually operated interface 12 and an electrical automatic operating interface 13. All three interfaces 11, 12 and 13 are operatively connected to the locking means 5 to activate them from the engaging condition to the disengaging condition and thus to obtain the release.
  • the mechanical manually operated interface 11 comprises first operating means 21 operatively connected to the locking means 5.
  • the electrical manually operated interface 12 comprises second operating means 22 operatively connected to the locking means 5.
  • the electrical automatically operated interface 13 comprises third operating means 23 operatively connected to the locking means 5.
  • the interfaces 11, 12 and 13 receive the releasing modules, which may be installed selectively according to the releasing control to be implemented. Indeed, the releasing modules allow to activate the operating means of the respective interface on which they are installed, in response to the corresponding releasing control.
  • the multiple releasing modules 30 comprise: a manual releasing module 31; an electrical manual or automatic releasing module 32 and a door locking and unlocking module 33.
  • the plurality of interfaces 10 are operatively connected to locking means 5 via first moving means 57, which are connected to the locking means 5 themselves. Furthermore, the locking means 5 are also coupled to second moving means 58 to activate them from the engaging position to the disengaging position.
  • Figures 3 and 4 show an embodiment of the locking means 5 and their interaction with the first and second moving means 57 and 58.
  • the locking means 5 comprise an operating wheel 8 pivoting on the supporting surface 6.
  • the operating wheel 8 comprises a seat 50 for housing a portion of the coupling means 40, a first coupling cam 8a, a second coupling cam 8b and a tooth 8c.
  • the first moving means 57 comprise: a compensation spring 51 which has a first end abutting against a wall portion which delimits the combined release door locking device 1, and a second end, opposite to the first, combined with a compensation lever 52; an operating slider 53 operatively coupled to a first return spring 54; an auxiliary slider 55 operatively coupled to a second return spring 56.
  • the moving means 58 comprise a torsion spring.
  • the compensation lever 52 translates from a resting position to an operating position according to a predetermined trajectory obtained by means of a guiding pin restrained to the supporting surface 6.
  • the compensation lever 52 operates on the first operating cam 8a. Furthermore, the compensation lever 52 interacts with the operating slider 53.
  • the compensation spring 51 further allows to return the compensation lever 52 to the resting position.
  • the operating slider 53 translates from a resting position to an operating position according to the directions shown by the arrow 150, acts on the second coupling cam 8b (shown in figure 4 ) and tends to be returned to the resting position by the first return spring 54.
  • the auxiliary slider 55 translates according to the engagement and disengagement directions 150 of the coupling means 40 (according to the methods which will be described below) and by effect of the return of the second return spring 56, further interacts with the operating slider 53.
  • the torsion spring 58 is compressed and abuts against a wheel portion 8.
  • the compensation lever 52 is in contact with a first side of the lobe of the first operating cam 8a.
  • the slider 53 is in an advanced position and a portion is in contact with a first side of the lobe of the second cam 8b.
  • An appendix 52b of the compensation lever is in contact with an abutting element 53b of the slider.
  • the wheel 8 is in an angular closing position.
  • the wheel 8 In the disengaging position shown in figure 4 , the wheel 8 is in an angular releasing position and is retained in such a position of the spring 58 in expanded condition, which acts on the tooth 8c.
  • the multiple releasing modules 30 installed on the interfaces 10 activate the respective operating means in response to corresponding release control.
  • the operating means of the interfaces 10 activate the moving means 57 of the locking means to release the coupling means 40 and allow the opening of the household appliance door.
  • Figure 5 shows an embodiment of a device according to the present invention.
  • the illustrated multiple releasing modules 30 comprise:
  • the first-module 31 can be installed on the mechanical manually operated interface 11.
  • the electrical manual releasing module 32 can be installed on the electrical manual operating interface 12.
  • the door locking-unlocking module 33 can be installed on the electrical automatic operating interface 13.
  • the three interfaces 11, 12 and 13 are shaped to receive the first, the second and third module, respectively. In this manner, errors caused by the incorrect assembly of a module on an interface for which it is not intended, are excluded. Furthermore, each opening module may be installed on the respective interface regardless of the others.
  • the manual releasing module 31 comprises a first operating assembly 310 connected to a first control element 70 external to the household appliance and to the first operating means 21 of the locking element 5.
  • the assembly is adapted to operate the first operating means 21 in response to the activation of the first control element 70.
  • the operating assembly 310 comprises a manual releasing moveable slide sliding between a resting position ( figure 6 ) and an operating position ( figure 7 );
  • the control element 70 comprises a cable to which traction can be applied from the outside of the household appliance.
  • the operating means 21 are connected to the compensation lever 52 by means of its connection bridge 52c. In particular, the operating means 21 are restrained to the connecting bridge 52c by means of a pin.
  • Figure 7 shows part of the combined release door locking device 1 after releasing by exploiting to the manual releasing module 31.
  • a user applies a force on the cable 70 according to the direction indicated by the arrow with reference numeral 200.
  • the manual releasing moveable slide 310 translates in linear manner (in the sense indicated by the arrow 200 ), the first operating means 21, by means of the connecting bridge 52c fed the compensation lever 52.
  • the latter works on the operating cam 8a and takes the operating wheel 8 to the second angular disengaging position.
  • the manual opening moveable slide After opening and when the traction which ends on the cable 70 is interrupted, the manual opening moveable slide returns to the resting position by effect of the return springs connected to it.
  • the first operating means 21 comprise a supporting plate provided with a hole adapted to receive the connecting pin to the bridge 52c.
  • Figures 8 and 9 show the releasing made by means of the manual electrical releasing module 32.
  • the manual electrical releasing module 32 comprises a second operating assembly 320, said second assembly connected to a second unlocking element external to the household appliance 22, the assembly 320 adapted to operate the second operating means 22 in response to the operation of said external unlocking element.
  • the external unlocking element comprises a button adapted to supply an electrical control to the electrical manual releasing module 32.
  • the second operating assembly 320 comprises a solenoid coupled to a moveable core, the operating means 22 comprise an actuator connected to the moveable core to the bridge 52c of the compensation lever 52.
  • the connection between actuator (i.e. second operating means 22 ) and the moveable core comprises a spring.
  • the solenoid of the assembly 320 when the solenoid of the assembly 320 produces a magnetic field in response to an electrical pulse supplied by means of the provided button (not shown in figure), the magnetic field attracts the moveable core, which in turn feeds the actuator according to the direction shown by reference numeral 300.
  • the actuator connected to the bridge 52c moves the compensation lever 52, according to the direction indicated with reference numeral 301.
  • the compensation lever by means of the appendix 52b, moves the slider 53 according to the direction indicated by reference numeral 302.
  • the operating wheel 8 is thus free to rotate, in the sense indicated by reference numeral 303, by effect of the thrust force applied on the spring 58 which acts on the tooth 8c.
  • the coupling means 40 may be freed from the seat 50 of the operating wheel 8.
  • the third door locking-unlocking module 33 comprises a third operating assembly 43 connected to an electronic control unit of the household appliance and to third operating means 23 (not shown in figure 10 ).
  • the third assembly 43 is adapted to operate the third operating means 23 in response to a control signal received from the electronic unit.
  • the third operating assembly 43 comprises an electrical unit connected to the electronic control unit of the household appliance.
  • the electric unit controls an actuator 430, a locking latch 431 and an operating cam (not shown in figure).
  • the slider 53 comprises a seat 59 ( figure 8 ) to receive the locking latch 431 and a profile to house the actuator 430.
  • the electronic control unit of the household appliance controls the third assembly 43 for retaining the locking means 5 in the engaging position.
  • such a control is implemented by controlling the operating cam by means of the actuator 430, and then by engaging the seat 59 of the slider 53 with the locking latch 431.
  • the present invention is further related to a household appliance, in particular a washing machine, comprising closing door of an operating compartment of the household appliance equipped with a door locking device described above.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Claims (11)

  1. Türverriegelungsvorrichtung (1) mit kombinierter Freigabe des Typs, der angepasst ist, um ein Haushaltsgerät auszustatten, so dass eine Tür des Haushaltsgeräts in Ansprechen auf eine Vielzahl von Öffnungsbefehlen freigegeben werden kann, umfassend
    Verriegelungsmittel (5), die angepasst sind, um mit Kopplungsmitteln (40) der Tür reversibel in Eingriff zu treten, wobei die Verriegelungsmittel (5) in einer Eingriffsposition, wenn die Tür geschlossen ist, und in einer Nicht-Eingriffsposition, wenn die Tür freigegeben ist, aktiviert sind, wobei die Vorrichtung (1) eine Vielzahl von Schnittstellen (10) umfasst,
    dadurch gekennzeichnet, dass
    die Vielzahl von Schnittstellen (10) umfasst: eine mechanisch manuell betätigte Schnittstelle (11); eine elektrisch manuell betätigte Schnittstelle (12) und eine elektrisch automatisch betätigte Schnittstelle (13); und wobei alle drei Schnittstellen mit den Verriegelungsmitteln (5) wirksam verbunden sind, wobei die Schnittstellen (10) jeweils angepasst sind, um selektiv mehrere Freigabemodule (30) zum Aktivieren der Verriegelungsmittel (5) aus der Eingriffsposition in die Nicht-Eingriffsposition aufzunehmen.
  2. Türverriegelungsvorrichtung (1) mit kombinierter Freigabe nach Anspruch 1, wobei die mechanisch manuell betätigte Schnittstelle (11) erste Betätigungsmittel (21) umfasst, die mit den Verriegelungsmitteln (5) wirksam gekoppelt sind.
  3. Türverriegelungsvorrichtung (1) mit kombinierter Freigabe nach Anspruch 1 oder 2,
    wobei die elektrisch manuell betätigte Schnittstelle (12) zweite Betätigungsmittel (22) umfasst, die mit den Verriegelungsmitteln wirksam gekoppelt sind.
  4. Türverriegelungsvorrichtung (1) mit kombinierter Freigabe nach Anspruch 1 oder 2 oder 3,
    wobei die elektrisch automatisch betätigte Schnittstelle (13) dritte Betätigungsmittel (23) umfasst, die mit den Verriegelungsmitteln (5) wirksam gekoppelt sind.
  5. Türverriegelungsvorrichtung (1) mit kombinierter Freigabe nach einem der Ansprüche 1 bis 4,
    wobei die Vielzahl von Schnittstellen (10) mit den Verriegelungsmitteln (5) mit Hilfe erster Bewegungsmittel (57) wirksam gekoppelt ist, und die Verriegelungsmittel (5) ferner mit zweiten Bewegungsmitteln (58) wirksam gekoppelt sind, um die Verriegelungsmittel (5) aus der Eingriffsposition in die Nicht-Eingriffsposition zu bewegen.
  6. Türverriegelungsvorrichtung (1) mit kombinierter Freigabe nach einem der Ansprüche 1 bis 5,
    wobei die Freigabemodule (30) umfassen:
    - ein manuelles Freigabemodul (31);
    - ein elektrisch manuelles Freigabemodul (32) und
    - ein Modul (33) zum Verriegeln und Entriegeln einer Tür.
  7. Türverriegelungsvorrichtung (1) mit kombinierter Freigabe nach Anspruch 6, wobei das manuelle Freigabemodul (31) an der mechanisch manuell betätigten Schnittstelle (11) installiert sein kann, das elektrisch manuelle Freigabemodul (32) an der elektrisch manuell betätigten Schnittstelle (12) installiert sein kann und das elektrisch automatische Freigabemodul (33) an der elektrisch automatisch betätigten Schnittstelle (13) installiert sein kann.
  8. Türverriegelungsvorrichtung (1) mit kombinierter Freigabe nach einem der Ansprüche 6 und 7, wenn abhängig von Anspruch 2,
    wobei das manuelle Freigabemodul (31) eine erste Aktivierungsbaugruppe umfasst, wobei die erste Aktivierungsbaugruppe mit einem ersten Steuerungselement (70) verbunden ist, das extern zu dem Haushaltsgerät und zu den ersten Betätigungsmitteln (21) ist, wobei die Aktivierungsbaugruppe angepasst ist, um die ersten Betätigungsmittel in Ansprechen auf die Aktivierung des ersten Steuerungselements zu betätigen, das extern zu dem Haushaltsgerät ist.
  9. Türverriegelungsvorrichtung (1) mit kombinierter Freigabe nach einem der Ansprüche 6 bis 8, wenn abhängig von Anspruch 3,
    wobei das elektrisch manuelle Freigabemodul (32) eine zweite Aktivierungsbaugruppe umfasst, wobei die zweite Aktivierungsbaugruppe mit einem zweiten Entriegelungselement verbunden ist, das extern zu dem Haushaltsgerät und zu den zweiten Betätigungsmitteln (22) ist, wobei die Aktivierungsbaugruppe angepasst ist, um die zweiten Betätigungsmittel (22) in Ansprechen auf die Aktivierung des zweiten Entriegelungselements zu betätigen, das extern zu dem Haushaltsgerät ist.
  10. Türverriegelungsvorrichtung (1) mit kombinierter Freigabe nach einem der Ansprüche 6 bis 9, wenn abhängig von Anspruch 4,
    wobei das Modul (33) zum Verriegeln und Entriegeln einer Tür eine dritte Aktivierungsbaugruppe (43) umfasst, die mit einer elektronischen Steuerungseinheit des Haushaltsgeräts und mit den dritten Betätigungsmitteln (23) verbunden ist, wobei die dritte Baugruppe (43) angepasst ist, um die dritten Betätigungsmittel (23) in Ansprechen auf ein Steuerungssignal zu betätigen, das sie von der elektronischen Steuerungseinheit empfangen hat.
  11. Haushaltsgerät, im Speziellen eine Waschmaschine, umfassend eine Tür zum Schließen eines Betätigungsfaches des Haushaltsgeräts,
    dadurch gekennzeichnet, dass
    es eine Türverriegelungsvorrichtung (1) mit kombinierter Freigabe der Tür in Übereinstimmung mit einem der Ansprüche 1 bis 9 umfasst.
EP15717815.3A 2014-03-21 2015-03-20 Türverriegelungsvorrichtung mit kombinierter lösung Active EP3119936B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15717815T PL3119936T3 (pl) 2014-03-21 2015-03-20 Ustalacz drzwi zwalniania łącznego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20140478 2014-03-21
PCT/EP2015/055959 WO2015140306A1 (en) 2014-03-21 2015-03-20 Combined release door locking device

Publications (2)

Publication Number Publication Date
EP3119936A1 EP3119936A1 (de) 2017-01-25
EP3119936B1 true EP3119936B1 (de) 2018-05-09

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EP15717815.3A Active EP3119936B1 (de) 2014-03-21 2015-03-20 Türverriegelungsvorrichtung mit kombinierter lösung

Country Status (3)

Country Link
EP (1) EP3119936B1 (de)
PL (1) PL3119936T3 (de)
WO (1) WO2015140306A1 (de)

Cited By (1)

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US20200354993A1 (en) * 2019-05-10 2020-11-12 Emz-Hanauer Gmbh & Co. Kgaa Door lock for a domestic electrical appliance

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ITUA20161462A1 (it) * 2016-03-08 2017-09-08 Illinois Tool Works Blocco-porta con rilevamento porta
EP3483331B1 (de) * 2016-07-06 2022-01-05 Illinois Tool Works, Inc. Türschloss
IT201600130683A1 (it) 2016-12-23 2018-06-23 Illinois Tool Works Blocco-porta con un cursore di rilevamento gancio con sicurezza addizionale
IT201700099948A1 (it) * 2017-09-06 2019-03-06 Elettrotecnica Rold Srl Dispositivo per la chiusura e apertura di sportelli, in particolare di sportelli di elettrodomestici quali lavatrici o simili
PL3714093T3 (pl) * 2017-11-23 2022-02-14 Elettrotecnica Rold S.R.L. Urządzenie do zamykania i otwierania paneli, w szczególności paneli elektrycznych urządzeń gospodarstwa domowego takich, jak pralki i tym podobne

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200354993A1 (en) * 2019-05-10 2020-11-12 Emz-Hanauer Gmbh & Co. Kgaa Door lock for a domestic electrical appliance
US11624209B2 (en) * 2019-05-10 2023-04-11 Emz Hanauer Gmbh & Co. Kgaa Door lock for a domestic electrical appliance

Also Published As

Publication number Publication date
WO2015140306A1 (en) 2015-09-24
EP3119936A1 (de) 2017-01-25
PL3119936T3 (pl) 2018-11-30

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