EP0151063B1 - Vorrichtung zum automatischen oder manuellen Öffnen von Türen von Behälter von Sicherheitsausrüstung - Google Patents

Vorrichtung zum automatischen oder manuellen Öffnen von Türen von Behälter von Sicherheitsausrüstung Download PDF

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Publication number
EP0151063B1
EP0151063B1 EP85400088A EP85400088A EP0151063B1 EP 0151063 B1 EP0151063 B1 EP 0151063B1 EP 85400088 A EP85400088 A EP 85400088A EP 85400088 A EP85400088 A EP 85400088A EP 0151063 B1 EP0151063 B1 EP 0151063B1
Authority
EP
European Patent Office
Prior art keywords
hook
fact
lever
wall
plate
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.)
Expired
Application number
EP85400088A
Other languages
English (en)
French (fr)
Other versions
EP0151063A3 (en
EP0151063A2 (de
Inventor
Dominique Gosse
Gérard Silber
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.)
Societe de Fabrication dInstruments de Mesure SFIM SA
Original Assignee
Societe de Fabrication dInstruments de Mesure SFIM SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Societe de Fabrication dInstruments de Mesure SFIM SA filed Critical Societe de Fabrication dInstruments de Mesure SFIM SA
Publication of EP0151063A2 publication Critical patent/EP0151063A2/de
Publication of EP0151063A3 publication Critical patent/EP0151063A3/fr
Application granted granted Critical
Publication of EP0151063B1 publication Critical patent/EP0151063B1/de
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0603—Controlling mechanically-operated bolts by electro-magnetically-operated detents the detent moving rectilinearly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/61—Spring devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/0911—Hooked end
    • Y10T292/0936—Spring retracted
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor

Definitions

  • the present invention relates to a device for automatic or manual opening of a safety equipment box door, intended in particular for boxes containing oxygen masks on board aircraft.
  • Such boxes are in fact provided on board airplanes with pressurized cockpits to provide each passenger with an oxygen mask in the event of an incident leading to a drop in the pressure prevailing in the cockpit.
  • the mask is contained in a special box which is located near the passenger seat and which is provided with a door which can be opened automatically or manually.
  • this box is equipped with a particularly reliable device making it possible to ensure the automatic or manual opening of the door and also making it possible then to ensure the closing and the maintenance in this closed position.
  • Patent FR-A-2 359 268 describes a device comprising a hook mounted pivoting about an axis, said hook being designed to come into engagement with a lug secured to the door, and being movable between a closed position where it maintains the door closed, and an open position where it authorizes the opening of the door, as well as elastic return means associated with said hook. More specifically, the device described in the aforementioned patent comprises a permanent magnet, a composite hook (10) formed by a tail (9) and a beak (12) (forming the hook proper) articulated on the same axis, and a single spring having a particular winding.
  • FIG. 5 of the aforementioned patent illustrates the plate (8) mounted behind the tail, this plate making it possible to immobilize the composite hook (10) by gluing, due to the magnetic attraction exerted by the permanent magnet.
  • the heel (13) of the spout (12) comes directly into abutment against the tail (9), a position in which it is moreover maintained by the action of the single spring: here it is a question of '' a rigid connection between tail and spout, allowing only an angular displacement of the spout for the snap-fastening when the door is closed.
  • the single spring comprises a first portion (14, 15, 16) (in part) acting on the tail (9) of the composite hook by tending to bias said tail towards the open position of the hook, and a second portion (16) (in part), (17) acting on the beak (12) of the composite hook by tending to return said beak towards its position of support against the tail.
  • the technical problem that the invention proposes to solve is to improve the reliability of the known devices, in particular by avoiding the aforementioned drawbacks.
  • the device essentially comprises a main spring, one branch of which contacts the hook in order to tend to return said hook to its open position; a locking lever mounted pivoting about the axis of the hook, said lever being movable between a locking position where it retains the main spring by abutment contact with the same branch of said main spring in order to be able to maintain the hook in the closed position, and an unlocking position where it releases the main spring to bring the hook into the open position; a secondary spring partly wound around said axis and bearing between the hook and the locking lever, in order to tend to return said locking lever to its unlocked position and to return said hook to its closed position; and an unlocking plate comprising a support wall, said plate being returned normally to a service position where it is capable of retaining the locking lever in the locking position by direct pressing of said lever against said wall, and being temporarily movable, either manually or automatically, to a retracting position to release the locking lever, and thus bring said lever to the unlocking position and simultaneously said hook in open position, in accordance with
  • the temporary and automatic movement of the unlocking plate towards its retracting position can be ensured by any known automatic actuation means.
  • any known automatic actuation means for example, electrical, electromagnetic, mechanical, electromechanical or pneumatic means can be used.
  • pneumatic means such as aneroid capsules.
  • aneroid capsules have the advantage of being able to automatically control the movement of the locking plate under the effect of a pressure drop in the passenger compartment of the aircraft and of not requiring electrical wiring.
  • the device shown in Figures 1 to 3 comprises a frame 10 which is intended to be fixed to a wall 12 of a box of safety equipment 40 and which is provided with a pivoting hook 14 designed to engage with a lug 16 integral with a trigger guard 18 intended to be fixed on the door 20 of the aforementioned equipment box.
  • the frame 10 has several orifices 22 to allow it to be fixed to the wall 12 and, correspondingly, the trigger guard 18 is provided with orifices 24 allowing it to be fixed to the door 20.
  • the hook 14 is designed to pivot about an axis 26 between a closed position 50 (shown in solid lines in FIG. 1) where the hook is engaged with the lug 16, and an open position (shown in broken lines in Figure 1) where the hook is no longer engaged with the lug 16.
  • the travel of the hook 55 14 between the two aforementioned positions is limited by a stop 28 integral with the frame 10 which is intended to cooperate with the hook itself in the open position and with a first extension 30 of the hook in the closed position. 60
  • the hook 14 is also provided with a second extension 32 which is located opposite the hook spout relative to the pivot axis 26.
  • the device further comprises a main spring 34 which tends to return the hook 14 towards 65 to its open position.
  • the main spring 34 has two windings 36 concentric with the pivot axis 26 and an intermediate branch 5 which bears on the aforementioned second extension 32.
  • the two free ends 42 of the main spring 34 are folded, facing each other and inserted inside a sleeve 44 which comes to bear on the unlocking plate 10 which will be described later.
  • the device also comprises a locking lever 46 which pivots around the aforementioned axis 26 and which can be moved between a locking position (shown in solid lines in FIG. 1) where it retains the main spring 34 by abutment contact with the same branch 38 to hold the hook 14 in the closed position, and an unlocking position (shown in broken lines in Figure 1) where it releases the main spring 34 to bring the hook in the open position.
  • a locking position shown in solid lines in FIG. 1 where it retains the main spring 34 by abutment contact with the same branch 38 to hold the hook 14 in the closed position
  • an unlocking position shown in broken lines in Figure 1 where it releases the main spring 34 to bring the hook in the open position.
  • the locking lever 46 includes a handle 48 which can be actuated manually to allow its displacement from the unlocking position to the locking position.
  • This lever also has a wall of. stop 49 which, in the locking position, is in axial alignment with the second extension 32 of the hook 14. As a result, in this position, the stop 49 blocks the action of the branch 38 of the main spring 34, and prevents the latter from acting on the hook 14 to bring it back to the open position.
  • the locking lever 46 is also provided with a retaining part 50, which forms an acute angle with the handle 48 and which is intended to cooperate with an unlocking plate, as will be described below.
  • a stop 52 secured to the frame 10 is intended to cooperate with the locking lever 46, and to limit the movement of this lever in its unlocking position.
  • a secondary spring 54 wound in part 45 around the axis 26, bears between the hook 14 and the locking lever 46, in order to tend to return said locking lever to its unlocking position, and also to tend to return said hook to its closed position.
  • this secondary spring 54 comprises two windings 56 concentric with the axis 26, an intermediate part 58 which bears on the first extension of the hook 14, and 55 two free parts 60 which take support behind the aforementioned retaining part 50.
  • the device also includes an unlocking plate 62 having a support wall 68, said plate being normally returned 6o to a service position (shown in solid lines in Figure 1) where it is able to retain the locking lever 46 in locking position by direct pressing of said lever against the wall 68.
  • the unlocking plate 62 can be moved 65 temporarily, either manually or automatically. cally, to a retracting position (shown in broken lines in Figure 1) to release the locking lever 46, and thus bring said lever in the unlocked position and simultaneously said hook in the open position.
  • the plate 62 is here movable in translation in a direction (represented by the arrow F) perpendicular to the common axis 26, said plate being closer to this common axis in the service position than in the retracting position. It goes without saying that one could also provide a plate mounted to oscillate about an axis parallel to the axis of the hook, in order to improve the compactness of the device.
  • the plate 62 comprises a cup-shaped part 64 which defines a bottom wall 66 perpendicular to the direction of translation, as well as the support wall 68 and a second wall 70 opposite opposite, which are attached to the wall bottom 66 and which extend generally parallel to the direction of translation.
  • the wall 68 effectively constitutes a support wall for the retaining part 50 of the locking lever. 46, and this support wall extends outside the bowl 64 by a ramp 72 capable of cooperating with one end 74 of the retaining part 50, and by a handle 76 which can be actuated manually.
  • the locking lever can easily be moved from the unlocking position to the locking position by acting on the handle 48 to reset the device. During this movement, the end 74 of the retaining part 50 slides along the ramp 72 and enters the bowl 64, the lever then returning to its locked position.
  • the second wall 70 of the plate 62 here constitutes a support wall for the main spring 34, the sleeve 44 coming to cooperate with this support wall.
  • the unlocking plate 62 is connected to an automatic actuating member 78, which is provided with a cam 80 cooperating with the bottom 66 of the bowl to temporarily move the plate 62 from the service position to the retracting position.
  • a return spring 82 is preferably interposed between the bottom of the bowl and the member 78 to permanently return the plate to its service position.
  • the automatic actuating member 78 is intended to be controlled automatically, and can therefore be constituted, for example, by an electrical, electromagnetic, mechanical, electromechanical, pneumatic, etc. member.
  • the member 78 is an electromagnetic member
  • the cam 80 is a cylindrical plunger core which has a planar end, perpendicular to the axis of the cylinder, and tapped so as to allow the fixing of the plate 72 directly on the cam 80 by means of a screw 84.
  • the return of the plate to its service position is effected by a spring 86, fixed under the cam 80 and whose return force is adjustable by a nut 88 at the base of the member 78.
  • the shape of the cam 80 depends on the nature of the actuating member 78.
  • the cam would be completely different, since the plate would be attracted by a metal bellows.
  • This bellows could however have a flat at the end of connection with the plate and could therefore be fixed in the same way as the plunger core, thanks to the screw 84.
  • the device of the invention operates as follows. In the normal closed position, the various components of the device occupy the position shown in solid lines in FIG. 1.
  • the unlocking plate 62 is in its operating position, where it blocks the locking lever 46 in its locked position, and where the latter blocks the action of the main spring 34, so that the hook 14 is held in the closed position.
  • the opening of the hook 14 is triggered by the displacement of the plate 62 from its operating position to its retracting position.
  • This triggering can be obtained in two ways, either by the actuating member 78 which exerts traction on the bottom 66 of the bowl, or by manual pressure on the lever 76 of the plate 62.
  • This movement has the effect of releasing the locking lever which, under the action of the secondary spring 54, moves towards the unlocking position shown in broken lines in FIG. 1. This movement also causes the release of the main spring 34 which can then act on the second extension 32 of the hook 14 and cause the displacement of this hook towards the open position.
  • the plate 62 is automatically returned to its service position shown in continuous lines in FIG. 1. To return the hook 14 to its closed position, it suffices to reset the device by manually acting on the lever 46, to bring it back to the locked position. This rearming causes, as already indicated above, the sliding of the end 74 on the ramp 72 and its introduction inside the bowl 64.
  • main spring 34 it is particularly advantageous for the main spring 34 to bear on the wall 70 of the plate 62, because an axial symmetry of the tensile forces is obtained, because the opposite wall 68 is also subjected to the secondary spring action 54.
  • the device of the invention is intended more particularly to equip the boxes of safety equipment on board airplanes with pressurized cockpit, the automatic actuation member of each device being connected to a central unit allowing automatic and simultaneous opening different devices in case of incidents.
  • each device can be operated manually, if necessary.
  • the invention is not limited to the embodiments specifically described and shown and also extends to other variants.
  • the manual actuating member connected to the bowl 64 instead of being constituted by a handle 76, could be constituted by a tool, such as a cylindrical rod, which would press on the bottom 66 of the bowl 64 thanks to a drilling in the door 20 and the trigger guard 18.

Landscapes

  • Lock And Its Accessories (AREA)
  • Closures For Containers (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)

Claims (9)

1. Vorrichtung zum automatischen oder manuellen Öffnen einer Tür eines Sicherheitsbehälters, mit einem schwenkbar auf einer Achse gelagerten Haken, der mit einem festen Nocken der Tür in Eingriff gebracht werden kann und der zwischen einer Schließposition, in welcher er die Tür geschlossen hält, und einer Öffnungsposition. schwenkbar ist, in welcher er ein Öffnen der Tür erlaubt, sowie mit elastischen Rückholmitteln, welche dem Haken zugeordnet sind, gekennzeichnet durch eine Hauptfeder (34), von der ein Abschnitt (38) mit dem Haken (14) verbunden ist, um den Haken in die Öffnungsposition vorzuspannen, einen um die Achse (26) des Hakens (14) schwenkbar gelagerten Sperrhebel (46), der zwischen einer Verriegelungsposition, in welcher er die Hauptfeder (34) durch Anliegen an dem genannten Abschnitt (38) der Hauptfeder zurückhält, um den Haken (14) in der Schließposition zu halten, und einer Entriegelungsposition hin- und herbewegbar ist, in welcher er die Hauptfeder (34) freigibt, um den Haken in die Öffnungsposition zu bringen ; eine zweite Feder (54), die teilweise um die genannte Achse (26) gewickelt und zwischen dem Haken (14) und dem Sperrhebel (46) abge- . stützt ist, um den Sperrhebel in dessen Entriegelungsposition und den Haken in dessen Schließposition vorzuspannen und eine Entriegelungsplatte (62) mit einem Anschlag (68), wobei die Entriegelungsplatte normalerweise in eine Betriebsposition vorgespannt ist, in welcher sie den Verschlußhebel (46) durch direktes Anliegen des Hebels an dem Anschlag in der Verriegelungsposition hält, und vorübergehend, sei es manuell oder automatisch, in eine abgesenkte Lage bringbar ist, in der sie den Sperrhebel (46) freigibt, und ihn so in die Entriegelungsposition und gleichzeitig den Haken in die Öffnungsposition bringt.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Entriegelungsplatte (62) in einer Richtung senkrecht zu der gemeinsamen Achse (26) bewegbar ist, wobei die Entriegeiungsplatte der gemeinsamen Achse in der Betriebsposition näher ist als in der abgesenkten Lage.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß ein Abschnitt der Entriegelungsplatte (62) die Gestalt einer Schale (64) mit einer Bodenwand (66) aufweist, die senkrecht zur Bewegungsrichtung liegt, wobei eine erste Wand (68) und eine zweite Wand (70) einander gegenüberliegend an die Bodenwand (66) anschließen, die im wesentlichen parallel zur Bewegungsrichtung liegen.
4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die erste Wand (68) eine Stützwand für ein Rückhalteteil (50) des Sperrhebels (46) bildet und daß diese Stützwand sich in Gestalt einer Rampe (72) nach außerhalb der Schale (64) fortsetzt, wobei die Rampen mit einem Endabschnitt (74) des Rückhalteteils (50) zusammenwirken kann, und daß eine manuelle Betätigungseinrichtung (76) mit der Schale (64) verbunden ist.
5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die manuelle Betätigungseinrichtung von einem Handgriff (76) an einer Verlängerung der Rampe (72) gebildet ist.
6. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß der Sperrhebel (46) einen Handgriff (48) umfaßt, der von Hand betätigt werden kann, um aus der Entriegelungsposition in die Verriegelungsposition gebracht zu werden, wobei der Endabschnitt (74) des Rückhalteteils (50) die Rampe (72) entlanggleitet und in die Schale (64) einfährt.
7. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Zweite Wand (70) eine Stützwand für die Hauptfeder (34) bildet.
8. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Entriegelungsplatte (62) mit einer automatischen Betätigungseinrichtung (78) verbunden ist, welche einen Nocken (80) umfaßt, der mit der Bodenwand (66) der Schale zusammenarbeitet, um die Entriegelungsplatte (62) vorübergehend aus der Betriebsposition in die abgesenkte Lage zu bringen, und daß ferner eine Rückholfeder (82, 86) zum fortwährenden Vorspannen der Entriegelungsplatte gegen die Betriebsposition vorgesehen ist.
9. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die automatische Betätigungseinrichtung (78) eine Druckkapsel ist.
EP85400088A 1984-01-20 1985-01-18 Vorrichtung zum automatischen oder manuellen Öffnen von Türen von Behälter von Sicherheitsausrüstung Expired EP0151063B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8400857A FR2558511B1 (fr) 1984-01-20 1984-01-20 Dispositif d'ouverture automatique ou manuelle d'une porte de boite d'equipement de securite
FR8400857 1984-01-20

Publications (3)

Publication Number Publication Date
EP0151063A2 EP0151063A2 (de) 1985-08-07
EP0151063A3 EP0151063A3 (en) 1985-09-18
EP0151063B1 true EP0151063B1 (de) 1988-10-19

Family

ID=9300308

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85400088A Expired EP0151063B1 (de) 1984-01-20 1985-01-18 Vorrichtung zum automatischen oder manuellen Öffnen von Türen von Behälter von Sicherheitsausrüstung

Country Status (4)

Country Link
US (1) US4848810A (de)
EP (1) EP0151063B1 (de)
DE (1) DE3565705D1 (de)
FR (1) FR2558511B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969672A (en) * 1989-05-15 1990-11-13 General Motors Corporation Deck lid release actuator
US5244239A (en) * 1992-10-14 1993-09-14 Eaton Corporation Latch assembly
US6755449B2 (en) * 1999-10-28 2004-06-29 The Eastern Company Locking system and components thereof
US6623049B2 (en) * 2001-12-21 2003-09-23 Motorola, Inc. Battery latch
FR2836668B1 (fr) * 2002-03-04 2004-12-03 Messier Bugatti Dispositif d'accrochage, notamment pour l'accrochage d'un train d'atterrissage d'aeronef ou d'une trappe de train d'atterrissage d'aeronef, et procede de fonctionnement dudit dispositif
US7303218B2 (en) * 2005-08-10 2007-12-04 Kraenzle David G Tailgate latching mechanisms
KR101491318B1 (ko) * 2013-09-23 2015-02-06 기아자동차주식회사 슬라이딩 도어 리모트 컨트롤
DE112017003303T5 (de) * 2016-06-29 2019-04-04 Southco, Inc. Schliessbolzen zur Verwendung in einer Riegelbaugruppe

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2115849A (en) * 1938-05-03 Primary voting mechanism
US2028954A (en) * 1934-10-10 1936-01-28 Grand Rapids Brass Co Latch
US3325203A (en) * 1965-05-27 1967-06-13 Overhead Door Corp Sliding door lock
US3397906A (en) * 1965-10-15 1968-08-20 Modern Metal Products Co Hood and deck latch
US3592496A (en) * 1969-09-04 1971-07-13 Atwood Vacuum Machine Co Vehicle door latch
FR2126547A5 (de) * 1971-02-10 1972-10-06 Alkan R & Cie
US3844593A (en) * 1971-11-05 1974-10-29 Atwood Vacuum Machine Co Vehicle door latch with forked latching rotors
US3752519A (en) * 1971-12-02 1973-08-14 H Kimball Mechanical latch
FR2359268A1 (fr) * 1976-07-23 1978-02-17 Alkan R & Cie Dispositif electro-mecanique simplifie pour l'ouverture des portes de boites d'equipements de securite a bord d'avions
EP0128142B1 (de) * 1982-12-09 1986-12-30 The Boeing Company Deckelverschluss für flugzeugsauerstoffbüchse und einrichtung zur funktionsüberprüfung

Also Published As

Publication number Publication date
DE3565705D1 (en) 1988-11-24
EP0151063A3 (en) 1985-09-18
FR2558511B1 (fr) 1988-10-21
FR2558511A1 (fr) 1985-07-26
US4848810A (en) 1989-07-18
EP0151063A2 (de) 1985-08-07

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