EP0030175B1 - Vorderbacken für Skibindung - Google Patents

Vorderbacken für Skibindung Download PDF

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Publication number
EP0030175B1
EP0030175B1 EP80401594A EP80401594A EP0030175B1 EP 0030175 B1 EP0030175 B1 EP 0030175B1 EP 80401594 A EP80401594 A EP 80401594A EP 80401594 A EP80401594 A EP 80401594A EP 0030175 B1 EP0030175 B1 EP 0030175B1
Authority
EP
European Patent Office
Prior art keywords
piston
ski
jaw unit
feeler member
arms
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
EP80401594A
Other languages
English (en)
French (fr)
Other versions
EP0030175A1 (de
Inventor
Louis Andrieu
Jean Bernard
Jean Beyl
Daniel Le Faou
Henri Peyre
Jacky Veniat
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.)
Look SA
Original Assignee
Look 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 Look SA filed Critical Look SA
Priority to AT80401594T priority Critical patent/ATE9874T1/de
Publication of EP0030175A1 publication Critical patent/EP0030175A1/de
Application granted granted Critical
Publication of EP0030175B1 publication Critical patent/EP0030175B1/de
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/001—Anti-friction devices
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08507—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws
    • A63C9/08514—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws pivoting about a transversal axis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08507—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws
    • A63C9/08521—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws pivoting about a vertical axis, e.g. side release
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08535—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a mobile body or base or single jaw
    • A63C9/0855—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a mobile body or base or single jaw pivoting about a vertical axis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08564—Details of the release mechanism using cam or slide surface
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08571—Details of the release mechanism using axis and lever
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08578—Details of the release mechanism using a plurality of biasing elements

Definitions

  • the present invention relates to a front stop for ski binding.
  • a front ski binding stop comprising a jaw consisting of two lateral arms intended to cooperate with the front part of the boot to retain the latter in the axis skiing, this jaw (or tip) being articulated about a horizontal axis on a body which is itself articulated on a vertical axis materialized by a pivot fixed to the ski.
  • the pivot has a cam-shaped part against which is applied a piston biased by a spring housed inside the body, which tends to immobilize the body elastically in rotation around the pivot.
  • the piston is slidably mounted in the body and carries a follower member resting on two ramps integral with the end piece, so that, in the event of a rear fall, the end piece pivots about the horizontal axis, while the follower member and the piston move away from the cam, which reduces the release hardness of the binding.
  • EP 25,747 also discloses a front stop in which the boot retention arms can pivot on the ski around a vertical axis, and a feeler member is adapted to be in contact with the front part before the shoe and to cooperate with the elastic device, ensuring the immobilization of the toe in the shoe retaining position, and this by means of sliding rods so that the tripping hardness of the latter is reduced in case of actuation of this probe resulting from a front fall and / or an axial thrust of the shoe.
  • the feeler member is constituted by a plate having a concave shape substantially in an arc, adapted to cooperate with the front of the boot, a thrust exerted on this member, either during a fall of the skier towards the 'before, either during an axial thrust on the occasion for example of a flexion of the ski, causes a thrust on the piston in the opposite direction to the force which applies it against the pivot.
  • the force applying the piston against the pivot can only be reduced, while the piston remains applied against the cam of the pivot, or the piston can be detached from the pivot, and the retaining force disappears.
  • the feeler member thus provided consists of an angled lever mounted pivoting about a transverse horizontal axis carried by the body of the stop.
  • the second difficulty occurs in the event of an axial thrust on the stop.
  • This thrust can appear in various circumstances, for example in the event of sudden braking of the ski or of significant bending of the ski which tends to compress the boot between the front stop and the heel, the lateral clearance of the boot being in all cases hampered by parasitic friction developing between the shoe and the front stop.
  • the second abutment embodiment mentioned above makes it possible to advantageously resolve these difficulties.
  • the hardness of the release mechanism of this stopper is not reduced in the event of a rear fall.
  • this is also a phenomenon causing a difficulty in the operation of a front stop.
  • the invention therefore aims to modify the aforementioned embodiment provided with a feeler, in order to be able to reduce the hardness of the trigger mechanism of this front stop as well in the event of a rear fall as in the event of a front fall.
  • the jaw being articulated on the body about a transverse horizontal axis, there are provided, between this jaw and the feeler member, interconnection means adapted to transmit a movement to the latter. pivoting when the jaw is driven upward during a fall behind the skier, so that the feeler member also acts in this case on the elastic device to reduce the hardness of release.
  • the stop according to the invention therefore provides additional security to the skier by facilitating the release of the boot in torsion as well in the event of a rear fall as in the event of a front fall.
  • the interconnection means existing between the feeler member and the jaw, consist of a curved ramp provided on the feeler member and a follower member secured to the jaw.
  • this follower member is constituted by a transverse pin carried by the jaw.
  • a front ski binding stop mounted on a ski 1 and having a jaw consisting of two lateral arms 2, intended to cooperate with the front part of the boot 20 to retain it cl. in the axis of the ski 1, and a body 3 pivotally mounted around a pivot 4 fixed vertically on the ski 1; the arms 2 are carried by a stirrup 10 consisting of two lateral cheeks 5 rotatably mounted on the body 3 around a horizontal axis h.
  • the arms 2 constituting the jaw or shoe-retaining tip can pivot relative to the cheeks 5 around vertical axes 6, in order to be able to adapt to the different particular shapes of the shoes, the angular position of the arms 2 being adjustable by means screws 7 which bear against the cheeks 5.
  • the stop also includes an elastic device housed in the body 3, and ensuring the immobilization of the toe 2 in the shoe retaining position 20 with a predetermined trigger hardness.
  • This elastic device comprises a piston 8 provided with a rod 30 and applied elastically against a cam 9 formed by a flat formed on the fixed pivot 4, towards the front of the ski.
  • the piston 8 is normally kept applied against this cam by a spring 11 coaxial with the rod 30, and which bears on an adjustment plug 12 screwed into the body 3.
  • the stop also includes a feeler member 13 adapted to be in contact with the front front part of the shoe 20, and to cooperate with the elastic device so as to reduce the trigger hardness thereof, during a falling position before the skier and / or an axial thrust of the boot.
  • the feeler member 13 is rotatably mounted around a transverse axis 14 so that it can act on the elastic device by lowering its trigger hardness also in the case of the skier falling back.
  • the feeler member 13 is constituted by a bent lever whose face 15 facing the side of the shoe 20 is profiled to cooperate with the latter by presenting a concave surface, the face 17 of the feeler member facing towards 'before the ski bears against the ends of two rods 16 slidably mounted in the body 3, on either side of the pivot 4; the rods 16 are thus interposed between the feeler member 13 placed between the lateral arms 2, and the piston 8 for retaining the stop in its normal position.
  • the transverse axis 14 of pivoting of the probe 13 is supported at its two ends by the body 3.
  • the probe lever 13 has, on the side facing the shoe 20, a ramp 32 against which a follower member bears. secured to the nozzle.
  • this follower member consists of a transverse pin 18, the ends of which are fixed to the lateral cheeks 5 of the stirrup 10 and which is preferably provided with an anti-friction roller (so as to limit the friction between the follower member 18 and the ramp 32).
  • the piston 8 remains applied against the cam 9, but with less force, so that - the hardness of the trigger is reduced.
  • the shoe 20 In rear fall, the shoe 20 lifts backwards (arrow AR, FIG. 6), and its front part moves away from the profiled face 15 of the probe 13. However, the shoe lifts the end piece constituted by the arms 2 , so that the end piece and the stirrup 10 pivot around the horizontal axis h.
  • the pin 18 secured to the stirrup 10 pivots with it and acts on the ramp 32 to rotate the lever 13 as before, as seen in Figure 6. Therefore, the probe 13 exerts a longitudinal thrust on the rods 16 which slide in the body 3 and apply to the piston 8 a force antagonistic to the force of the return spring 11. If the force exerted on the toe by the shoe 20 is sufficient to create a thrust on the piston 8 greater than its return force, the latter comes off from the flat 9, as illustrated in FIG. 6. Otherwise, the hardness of the trigger mechanism is simply reduced.
  • the embodiment shown in Figures 7 to 10 differs from the previous in that the elastic retaining device is provided with a second piston 19, slidably mounted inside a piston 21 normally applied to the cam 9 by a return spring 22.
  • the second piston 19 therefore has a surface smaller than that of the piston 21, and is elastically urged against the latter by a spring 23 disposed internally at the spring 22.
  • these two springs bear on the threaded plug 12 for adjusting the hardness of the mechanism, in which the end of the rod 24 of the piston 19 slides.
  • the latter comprises a recess in which is engaged a transverse rod 25, consequently interposed between the piston 19 and the piston 21, and the ends of which pass through lateral openings 27 of the piston 21, and 26 of the body 3. These openings are elongated in the longitudinal direction, in order to allow a displacement of the rod 25 in this direction so that it can move away from the piston 21.
  • the feeler member 28 is provided with a transverse rod 29, the ends of which are connected to those of the rod 25 by connecting rods 31.
  • This embodiment has the advantage of avoiding the "floating" which occurs in the stop when there is an excessive accumulation of snow under the shoe. Indeed, the latter is then raised relative to its normal position, so that the retaining end piece is also raised, as in the position shown in FIG. 6, and can then cause permanent detachment of the piston 8 from the flat 9.
  • the second embodiment only the internal piston 19 is pushed back, so that there is always a certain resistance to tripping, due to the action of the external piston 21 on the flat 9.
  • the feeler member can be arranged to adapt to the sole of the shoe rather than to its upper.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Magnetic Heads (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Claims (5)

1. Vorderbacken für Skibindung, mit
- einem Sohlenhalter aus zwei Seitenarmen (2), die dazu bestimmt sind, mit dem vorderen Teil des Stiefels (20) zusammenzuwirken, um diesen in der Skiachse zu fixieren, wobei der Sohlenhalter von einem Korpus (3) getragen wird, der um einen Drehzapfen (4) schwenkbar angeordnet ist, welcher in vertikaler Richtung auf dem Ski zu befestigen ist,
- einer in dem Korpus untergebrachten federnden Vorrichtung (8, 11, 19, 21, 23, 22), die die Fixierung der Arme (2) in der Halterungsposition des Stiefels mit einer vorgegebenen Auslösehärte gewährleistet,
- und einem Tastorgan (13, 28) in Form eines um eine querliegende Horizontalachse (14) drehbaren, von dem Korpus (3) getragenen Winkelhebels, der mit der vorderen Stirnseite des Stiefels in Kontakt bringbar ist und durch verschiebbare Stifte (16) oder Schwingarme (31) auf die federnde Vorrichtung (8, 11, 19, 21, 23, 22) einwirken kann, um die Auslösehärte dieser Vorrichtung bei seiner Schwenkung unter der Wirkung eines Drucks, der auf einen Vorwärtssturz des Skifahrers und/oder einen von dem Stiefel ausgeübten Axialdruck zurückzuführen ist, herabzusetzen,
dadurch gekennzeichnet, daß, nachdem der Sohlenhalter (2) an dem Korpus (3) um eine querliegende Horizontalachse (h) schwenkbar angelenkt ist, zwischen diesem Sohlenhalter und dem Tastorgan (13, 28) eine Verbindungseinrichtung vorgesehen ist, die auf dieses letztere eine Schwenkbewegung zu übertragen vermag, wenn der Sohlenhalter (2) bei einem Rückwärtssturz des Skifahrers nach oben gezogen wird, so daß das Tastorgan (13, 28) auch in diesem Falle auf die federnde Vorrichtung (8, 11, 19, 21, 23, 22) einwirkt, um deren Auslösehärte herabzusetzen.
2. Vorderbacken nach Anspruch 1, dadurch gekennzeichnet, daß die zwischen dem Tastorgan (13, 28) und dem Sohlenhalter (2) vorgesehene Verbindungseinrichtung aus einer gebogenen Führungsfläche (32) an dem Tastorgan und einem mit dem Sohlenhalter starr verbundenen Folgeorgan (18) besteht.
3. Vorderbacken nach Anspruch 2, dadurch gekennzeichnet, daß das mit dem Sohlenhalter (2) starr verbundene Folgeorgan durch einen querliegenden Dorn (18) gebildet wird, der von dem Sohlenhalter getragen wird und vorzugsweise mit einer reibungsmindernden Rolle versehen ist, die an der Führungsfläche abrollen kann.
4. Vorderbacken nach einem der vorhergehenden Ansprüche, bei dem die federnde Vorrichtung zum Halten der Arme (2) in ihrer Normallage einen ersten Kolben (21) aufweist, der in dem Korpus (3) verschiebbar angeordnet und durch ein in dem Korpus befindliches erstes federndes Organ (22) gegen einen an dem feststehenden Zapfen (4) ausgebildeten Nocken gelegt ist, dadurch gekennzeichnet, daß die federnde Vorrichtung mit einem zweiten Kolben (19), dessen Oberfläche kleiner ist als die des ersten Kolbens (21) und der im Inneren des ersten Kolbens verschiebbar ist, sowie mit einem zweiten federnden Organ (23) versehen ist, das den zweiten Kolben (19) gegen den ersten Kolben (21) drückt, und daß dieser Backen mit einer Einrichtung versehen ist, um das Tastorgan (28) mit dem zweiten Kolben (19) zusammenwirken zu lassen, damit dieser Abstand von dem ersten Kolben (21) erhält und entsprechend die Auslösehärte bei einem Vorwärtssturz oder einem Rückwärtssturz herabgesetzt wird.
5. Vorderbacken nach Anspruch 5, dadurch gekennzeichnet, daß die genannte Einrichtung einen ersten Stab (29) aufweist, der quer in dem Tastorgan (28) liegt, dessen Enden durch die Schwingarme (31) mit denen eines zweiten Stabes (25) verbunden sind, der querliegend zwischen den beiden Kolben (19, 21) in der Weise angeordnet ist, daß ein mit dem Tastorgan (28) starr verbundener Rahmen gebildet wird, wobei geeignete Durchbrechungen (26, 27) in dem Korpus (3) und in dem ersten Kolben (21) vorgesehen sind, um eine Hin- und Herbewegung des zweiten Stabes (25) und des zweiten Kolbens (19) gegenüber dem ersten Kolben (21) als Folge von Drehbewegungen des Tastorgans (28) zu ermöglichen.
EP80401594A 1979-11-13 1980-11-07 Vorderbacken für Skibindung Expired EP0030175B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80401594T ATE9874T1 (de) 1979-11-13 1980-11-07 Vorderbacken fuer skibindung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7927894A FR2469189B1 (fr) 1979-11-13 1979-11-13 Butee avant de fixation de ski
FR7927894 1979-11-13

Publications (2)

Publication Number Publication Date
EP0030175A1 EP0030175A1 (de) 1981-06-10
EP0030175B1 true EP0030175B1 (de) 1984-10-17

Family

ID=9231589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80401594A Expired EP0030175B1 (de) 1979-11-13 1980-11-07 Vorderbacken für Skibindung

Country Status (6)

Country Link
US (1) US4362313A (de)
EP (1) EP0030175B1 (de)
JP (1) JPS56128175A (de)
AT (1) ATE9874T1 (de)
DE (1) DE3069464D1 (de)
FR (1) FR2469189B1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471795B1 (fr) * 1979-12-21 1985-05-31 Look Sa Butee-avant de fixation de ski
FR2508326A1 (fr) * 1981-06-30 1982-12-31 Look Sa Butee avant de fixation de ski destinee a une chaussure de ski a semelle tronquee
FR2523857A1 (fr) * 1982-03-25 1983-09-30 Salomon & Fils F Fixation de securite pour ski
FR2556603B2 (fr) * 1983-12-20 1986-05-23 Salomon Sa Fixation de securite pour ski, et ski muni d'une telle fixation
FR2548916B1 (fr) * 1983-06-27 1986-04-18 Look Sa Fixation de securite pour ski
FR2556602B1 (fr) * 1983-12-20 1986-10-24 Salomon Sa Fixation de securite pour ski, et ski muni d'une telle fixation
FR2560776B1 (fr) * 1984-03-09 1986-09-12 Salomon Sa Fixation de securite pour ski a machoire reglable
FR2569117B1 (fr) * 1984-08-17 1986-11-21 Salomon Sa Fixation de securite pour ski, et ski muni d'une telle fixation
FR2569118B1 (fr) * 1984-08-17 1986-09-19 Salomon Sa Fixation de securite pour ski, et ski muni d'une telle fixation
FR2598933B1 (fr) * 1986-05-22 1988-08-26 Salomon Sa Fixation de securite d'une chaussure sur un ski
AT385673B (de) * 1986-06-27 1988-05-10 Tyrolia Freizeitgeraete Vorderbacken fuer sicherheitsskibindungen
FR2600901B1 (fr) * 1986-07-04 1988-09-09 Salomon Sa Fixation de securite d'une chaussure sur un ski
FR2624387B1 (fr) * 1987-12-09 1990-04-06 Salomon Sa Fixation de securite pour ski
AT391420B (de) * 1988-05-04 1990-10-10 Tyrolia Freizeitgeraete Vorderbacken

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0025747A1 (de) * 1979-09-14 1981-03-25 Sté. Look Société Anonyme Vorderbacken für Skibindung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3709510A (en) * 1970-10-08 1973-01-09 H Gotz Safety ski binding
JPS5243415B2 (de) * 1973-02-20 1977-10-31
FR2314742A1 (fr) * 1975-06-20 1977-01-14 Salomon & Fils F Fixation de securite pour ski a compensation automatique des contraintes parasites
AT339189B (de) * 1975-12-12 1977-10-10 Smolka & Co Wiener Metall Vorderbacken
FR2373305A1 (fr) * 1976-11-30 1978-07-07 Salomon & Fils F Fixation de securite pour ski a compensation automatique des contraintes parasites
FR2385418A2 (fr) * 1977-03-29 1978-10-27 Salomon & Fils F Fixation de securite pour ski a compensation automatique des contraintes parasites
FR2418656A2 (fr) * 1978-01-10 1979-09-28 Beyl Jean Joseph Alfred Fixation de securite pour ski
FR2424037B1 (de) * 1978-04-28 1982-12-17 Salomon & Fils F

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0025747A1 (de) * 1979-09-14 1981-03-25 Sté. Look Société Anonyme Vorderbacken für Skibindung

Also Published As

Publication number Publication date
US4362313A (en) 1982-12-07
FR2469189B1 (fr) 1985-10-25
DE3069464D1 (de) 1984-11-22
ATE9874T1 (de) 1984-11-15
EP0030175A1 (de) 1981-06-10
JPS56128175A (en) 1981-10-07
FR2469189A1 (fr) 1981-05-22

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