WO2011115850A1 - Unités de semelle à cambrure ajustable - Google Patents

Unités de semelle à cambrure ajustable Download PDF

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Publication number
WO2011115850A1
WO2011115850A1 PCT/US2011/028183 US2011028183W WO2011115850A1 WO 2011115850 A1 WO2011115850 A1 WO 2011115850A1 US 2011028183 W US2011028183 W US 2011028183W WO 2011115850 A1 WO2011115850 A1 WO 2011115850A1
Authority
WO
WIPO (PCT)
Prior art keywords
support plate
arch
arch support
sole unit
base plate
Prior art date
Application number
PCT/US2011/028183
Other languages
English (en)
Inventor
Brett Savage
Mark Ellingson
Original Assignee
South Cone, Inc.
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 South Cone, Inc. filed Critical South Cone, Inc.
Priority to US13/635,397 priority Critical patent/US20130014407A1/en
Publication of WO2011115850A1 publication Critical patent/WO2011115850A1/fr

Links

Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00Footwear characterised by the shape or the use
    • A43B3/10Low shoes, e.g. comprising only a front strap; Slippers
    • A43B3/108Low shoes, e.g. comprising only a front strap; Slippers characterised by the sole
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1455Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
    • A43B7/1464Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties with adjustable pads to allow custom fit

Definitions

  • the inventive subject matter disclosed herein generally relates to a sole unit with an adjustable midsole for changing the profile of the foot supporting surface of a shoe. More particularly, the inventive subject matter relates to an adjustable arch support that is height adjustable by an adjustment mechanism positioned between a footbed and an outsole of a sole unit, for example, as used in a sandal, sports shoe or boot.
  • footwear comes in a variety of sizes to accommodate the range of foot lengths and widths, a given shoe size still may not fit a wearer well because of variability in the morphology of the foot. This variability is often expressed in differences in arch height, which can range from flat-footed to high arch. Because of variability in foot morphology, there is a need to provide adjustable shoes that can better conform to the shape of a wearer's foot within a given shoe size.
  • the inventive subject matter addresses the foregoing by providing an adjustable midsole that can be contained within sole units generally, and particularly within thin profile sole units.
  • An adjustment of the midsole results in a change in the profile of a predetermined portion of the foot-supporting surface of a shoe to help accommodate the foot morphology of a particular wearer or to provide performance enhancements.
  • the inventive subject matter is directed to a sole unit having a support system contained therein for adjusting a foot-supporting surface shape of the sole unit, the support system having a support plate mounted within the sole unit, a base plate secured to the sole unit extending over an area generally below the support plate, an adjustment mechanism positioned between the base plate and support plate, the adjustment mechanism coupled to the support plate and comprising an elevating member that is slideably disposed on a path under the support plate that is transverse to an axis of the support plate.
  • the adjustment of the adjustment mechanism causes the elevating member to engage the support plate and change its height, which change in height results in a change to the foot-supporting surface shape of the sole unit.
  • the support plate may be disposed in a rearfoot, midfoot, or forefoot portion of the sole unit and independently adjusts the portion relative to another portion, for example, the support plate may be disposed in a midfoot portion to support the arch of a foot.
  • the inventive subject matter is further directed to a shoe incorporating the sole unit described above.
  • an adjustable arch support for a shoe may have an arch support plate extending from an outer edge on the medial side of the shoe to a central portion of the shoe, and the arch support plate curving gradually to form an arch fit that is generally complementary to the arch of a foot.
  • the adjustable arch support further has a base plate secured to the shoe extending over an area generally below the arch support plate, and an adjustment mechanism positioned between the base plate and arch support plate.
  • the adjustment mechanism includes an adjustment screw, a threaded member interacting with the adjustment screw, and an elevating member adapted to interact freely with the threaded member and coupled to the arch support plate.
  • the support plate may include a semi-rigid material, for example a thermoplastic material.
  • the adjustment screw may be operatively positioned along a transverse axis of the shoe between the arch support plate and base plate so that the height and curvature of the arch support plate are adjusted when the screw is rotated.
  • the adjustment mechanism may have a guide channel guiding the screw in a path under the support plate that is transverse to the longitudinal axis of the support plate.
  • the base plate may have a plurality of ridges sloping down from an outer edge on the medial side of the base plate towards a central portion of the shoe.
  • the base plate may have a guide channel formed by ridges sloping from a medial side of the base plate to a central portion of the shoe and adapted for guiding the threaded member and elevating member.
  • the threaded member and the elevating member may have a surface with complementary shapes configured to engage and adjust the height of the arch support plate.
  • the elevating member may have a wedge shape with a side that is sloped complementary to a sloped side of the threaded member so that repositioning the sloped sides relative to each other adjusts the height and curvature of the arch support plate relative to the base plate.
  • the arch support plate may have engageable elements adapted to slideably engage complementary engageable elements on the base plate so that the arch support is freely moveable relative to the base plate, for example, the base plate may have a plurality of slots freely engaging corresponding tabs on the arch support plate, and the arch support plate configured to slide relative to the base plate.
  • the inventive subject matter is directed to a sole unit with an adjustable arch having an outsole, a footbed mounted to or otherwise integrated with the outsole, and an adjustable arch support mounted between the outsole and the footbed at a location corresponding to the arch of a foot
  • the adjustable arch support comprising a support plate mounted within the sole unit, a base plate secured to the sole unit extending over an area generally below the support plate, an adjustment mechanism positioned between the base plate and support plate, the adjustment mechanism coupled to the support plate and comprising an elevating member that is slideably disposed on a path under the support plate that is transverse to an axis of the support plate, and wherein the adjustment of the adjustment mechanism causes the elevating member to engage the support plate and change its height, which change in height results in a change to the foot-supporting surface shape of the sole unit.
  • the sole unit may further have a midsole located between the outsole and the footbed, and the midsole shaped to accommodate an adjustable arch support.
  • the inventive subject matter is further directed to a kit including footwear having a sole unit as described above and a key adapted to adjust the adjustment mechanism of the support system.
  • the inventive subject matter further contemplates a method of making a sole unit having a support system contained therein for adjusting a foot-supporting surface shape of the sole unit, the method including the steps of mounting a support plate within the sole unit, securing a base plate to the sole unit extending over an area generally below the support plate, positioning an adjustment mechanism between the base plate and support plate, the adjustment mechanism coupled to the support plate and comprising an elevating member that is slideably disposed on a path under the support plate that is transverse to an axis of the support plate, and wherein the adjustment of the adjustment mechanism causes the elevating member to engage the support plate and change its height, which change in height results in a change to the foot-supporting surface shape of the sole unit.
  • the support plate may be disposed in a rearfoot, midfoot, or forefoot portion of the sole unit and independently adjusts the portion relative to another portion.
  • the inventive subject matter further contemplates a method for making an adjustable arch support for a shoe by providing an arch support plate extending from an outer edge on the medial side of the shoe to a central portion of the shoe and the arch support plate curving gradually to form an arch fit complementary to the arch of a foot, securing a base plate to the shoe extending over an area generally below the arch support plate, positioning an adjustment mechanism between the base plate and arch support plate, the adjustment mechanism having an adjustment screw, a threaded member interacting with the adjustment screw, an elevating member adapted to interact freely with the threaded member and coupled to the arch support plate, and wherein rotation of the adjustment screw repositions the threaded member so that the elevating member and the associated arch support plate are repositioned and the height of the arch support plate is adjusted.
  • FIG. 1 shows a side view of a sandal with an adjustable arch.
  • FIG. 2 shows a detail of the sandal of FIG. 1.
  • FIG. 3 shows the sandal of FIG. 1 and a key to adjust the arch of the sandal.
  • FIG. 4 shows a detail of the sandal of FIG. 1 with a portion of the footbed removed and pulled away to expose the support system.
  • FIG. 5 shows the inside to the adjustable arch support of FIG. 1 with the arch support plate cut open and lifted.
  • FIG. 6 and 7 show different views the inside of the arch support of the sandal of FIG. 1 with the arch support plate cut open along the transverse axis of the sandal.
  • FIG. 8 A shows a top view of a midsole with an adjustable arch support system.
  • FIG. 8B shows a cross-section of the sole unit along the line B-B' indicated in FIG. 8 A.
  • FIG. 8C shows a cross-section of the sole unit along the line C-C indicated in FIG. 8A.
  • FIG. 8D shows cross-sections of the sole unit along the line D-D' indicated in FIG. 8A.
  • FIG. 8E shows cross-sections of the sole unit along the line E-E' indicated in FIG.
  • FIG. 9 shows a perspective view of a sole unit.
  • FIG. 10 shows different layers of the sole unit of FIG. 9 together with a key to adjust the support system.
  • FIGS. 11-12 show perspective views of the midsole and outsole respectively of the sole unit of FIG. 9.
  • FIG. 13 shows a bottom perspective view along the medial side of the midsole of
  • FIG. 14 shows a perspective view of the support system along the medial side of the midsole of FIG. 9 with the arch support plate removed from the arch support system.
  • FIG. 15 shows a bottom view of the arch support plate of the sole unit of FIG. 9.
  • FIG. 16 shows a perspective view of a detail along the medial side of the arch support system of the sole unit of FIG. 9.
  • FIG. 17 shows a bottom view of the base plate used in the arch support system of the sole unit of FIG. 9.
  • the inventive subject matter provides an adjustable sole that can be contained within sole units for shoes generally and particularly within thin profile sole units.
  • the shoe may be any article of footwear, including sports shoes, sandals, dress shoes, casual shoes, work shoes, sports boots such as ski, snowboard, and skate boots, or any other kind of shoe or boot.
  • An adjustment of the sole results in a change in the profile of a predetermined portion of the foot-supporting surface of a shoe to help accommodate the foot morphology of a particular wearer or to provide performance enhancements.
  • "shoe” or “footwear” are all encompassing terms for any kind of shoe, sandal, boot or like durable item to shod the feet.
  • a "sole unit” generally may comprise a full length midsole or discrete elements for energy absorption and/or return; or an outsole material for surface contact and abrasion resistance and/or traction; or a single unit providing such midsole or outsole functions across some or all the length of a foot. While a sole unit would generally extend the length of the shoe, a sole unit could also comprise a unit that extends for a lesser area, such as, just the forefoot or rearfoot portion, or some other area of lesser length or width.
  • the inventive subject matter is generally directed to an adjustable midsole that can be contained within sole units generally and particularly within thin profile sole units such as for sandals.
  • the adjustability system herein may be used at any location were adjustability might be desired. For example, not only can it be used to provide an adjustable arch, but it could also be used to increase or decrease heel lift. For example, such increase or decrease could allow the wearer to choose between positive, neutral and negative heel lift.
  • the adjustment system may be arranged along lateral and/or medial sides of a shoe to cant a shoe or boot laterally or medially. The canting could be a desirable performance-enhancing feature for boots used in action sports, such as snowboarding or skiing.
  • the following discussion relates to an adjustable arch support for a sandal.
  • persons skilled in the art will appreciate how to adapt the inventive subject matter for other applications.
  • the inventive subject matter is directed to a sole unit with an adjustable arch support.
  • the adjustable arch support may be contained in a sole unit for a sandal between an outsole and a footbed at a location corresponding to the arch of a foot.
  • the shape of the adjustable arch support generally complements the shape of the arch of a foot and may be adjusted for a comfortable fit.
  • an adjustable arch support having a movable arch support plate, a base plate, and an adjustment mechanism between the arch support plate and base plate to facilitate adjustment of the support plate relative to the base plate.
  • Footwear such as sandal 2 shown in FIGS.1-14, has a sole unit 4 and a shoe upper 6 secured to sole unit 4.
  • Shoe upper 6 includes straps 12 adapted to hold sole unit 4 to the foot of a wearer.
  • the sole unit generally includes a footbed 8 at the foot facing side that provides cushioning to the foot, and an outsole 10 for ground surface contact and abrasion resistance and/or traction.
  • the sole unit may also be formed as a single unit providing such footbed or outsole functions.
  • FIGS. 9-16 show a sole unit 4 having an outsole 10, a midsole 9, and a footbed 8.
  • the upper of footbed 8 has a raised surface 66 corresponding to the contours of arch support mechanism 14. Additionally, the upper of footbed 8 may be provided with a top layer 64, such as a layer of nubuck or other leather material. Top layer 64 may be fitted over midsole 9 and contoured around arch support mechanism 14. In other embodiments, the sole unit may be provided with a laminate assemble of various other layers of material.
  • Working components of the adjustable arch support system may be positioned entirely or partially within the sole unit.
  • the components are integrated in the sole unit and concealed from the outside upper of the sole unit so that the foot of a wearer is protected and so that the components are protected. By concealing the components, they do not detract from the aesthetics of the sandal.
  • FIGS. 9-16 show an adjustable arch support 14 positioned in a crescent cut-out in a molded midsole 9.
  • the molded material of the midsole may be EVA or PU or other such foamed or foamed polymers used in modern shoes.
  • the midsole may include a slightly raised rim along some or all its periphery.
  • Footbed 8 fits within the rimmed portion of midsole 9 to provide cushioning and/or comfort to the foot.
  • Outsole 10 attaches to the bottom surface of midsole 9.
  • the outsole sole may be any kind of durable outsole material known for use in footwear, including leather, rubber, wood, cork, textile, EVA, PU and other polymers, and combinations of any of the foregoing.
  • FIGS. 4-8, 11-12, and 14-17 show the working components of the adjustable arch support mechanism 14.
  • Figs. 4-7 show the sandal of FIGS. 1-3 with a cross portion of the footbed removed along a midfoot section of the sole unit and the footbed pulled away to show the support system embedded in the midsole of the sandal.
  • Arch support 14 includes an arch support plate 16, a base plate 18, and an adjustment mechanism 20 positioned between base plate 18 and arch support plate 16.
  • arch support plate 16, base plate 18, and adjustment mechanism 20 may be permanently integrated in sole unit 4.
  • parts of adjustment mechanism 20 may be molded integrally with or cemented to plates 16 and 18 which are cemented or otherwise attached to or integrated with to midsole 9 and footbed 8. In other embodiments, the parts may be formed as having a complementary fit with interlocking portions that are snapped together.
  • Arch support plate 16 extends from an outer edge 22 on the medial side of the sole unit 4 to a central portion 23 of sole unit 4. Arch support plate 16 curves gradually upward from the central portion to the medial portion of the sole unit to form an arch fit corresponding to the arch of a foot. In the embodiment shown in FIGS. 1-17 arch support plate 16 has a crescent shape. However, the arch support plate may have any suitable shape. Arch support plate 16 is movable in height relative to base plate 18. The height of arch support plate 16 may be adjusted according to the requirement for support by a user, as described in more detail below.
  • Base plate 18 extends over an area generally below arch support plate 16.
  • base plate 18 has a crescent shape similar to the shape of arch support plate 16 but with a circumference slightly larger than arch support plate 16 so that the medial edges of the two plates align but the curved edge of base plate 18 extends beyond arch support plate 16.
  • Adjustment mechanism 20 includes an elevating member 28 that is coupled to the support plate 16. Elevating member 28 is movable along a path in a direction that is transverse to the long axis of the support plate. Moving elevating member 28 along the transverse path cams support plate 16 upwardly or downwardly to adjust arch height.
  • adjustment mechanism 20 further includes a screw 24 and a threaded member 26 housed in a guide channel 40 of base plate 18. Threaded member 26 interacts with adjustment screw 24 via a threaded passage or channel. Elevating member 28 has a surface that interacts with a complementary surface of threaded member 26.
  • threaded member 26 and elevating member 28 may each have a slanted surface with generally complementary shape.
  • threaded member 26 has a generally cuboid shape with a threaded opening for adjustment screw 24 approximately in the center of the cuboid shape and running along a transverse axis of member 26 and sole unit 4.
  • Threaded member 26 further has a sloped portion 44 facing the medial side of the sole.
  • Elevating member 28 has a general wedge shape coupled to arch support plate 16 with a sloped side 42 facing threaded member 26 and wherein sloped side 42 is complementary to sloped side 44 of threaded member 26 so that repositioning the sloped side of the threaded member adjusts the height and curvature of arch support plate 16 relative to base plate 18. Furthermore, elevating member 28 is located proximately to the medial edge of the arch support plate 16 and may have an allowance 56 for screw 24 to pass through freely when the elevating member is in the lowest position.
  • Adjustment screw 24 is operatively positioned and secured for rotation between arch support plate 16 and base plate 18 along a horizontal transverse axis of the sandal.
  • Adjustment screw 24 has an enlarged head portion 30 which prevents the screw from moving into the interior of the arch support mechanism and which provides easy access for adjustment without removal of any portion of the sole unit construction.
  • Head portion 30 of screw 24 extends to the outside of the shoe at the medial side and is operatively fitted into a channel 62.
  • Head 30 is adapted to interact with a key, for example hex key 32, as shown in FIG. 3. Rotation of hex key 32 rotates screw 24, which results in a linear repositioning of threaded member 26 along the transverse axis of the sole unit.
  • the support plate may include a semi-rigid material that allows changing of the shape or curvature of the support plate.
  • the support plate may include a thermoplastic material such as polyurethane, polyvinyl chloride, or any other natural or synthetic material with suitable tensioning properties.
  • Base plate 18 is provided with a guide channel 40 guiding threaded element 26 and elevating member 28 along a transverse axis of sole unit 4.
  • the sides of guide channel 40 may be formed of ridges 34 sloping down from an outer edge 36 at the medial side of base plate 18 towards a central portion 38 of base plate 18. Ridges 34, together with outer rim 60 of guide channel 40, form an elongated chamber in base plate 18 wherein adjustment mechanism 20 is mounted.
  • threaded member 26 may extend above ridges 34 of guide channel 40.
  • the height of threaded member 26 may correspond approximately to the depth of channel 40 at the medial side of the channel. When threaded member 26 moves away from the medial edge towards central portion 26, the top surface of threaded member 26 may extend above sloped ridges 34 of channel 40.
  • Guide channel 40 may end at the medial side into a channel 62 at outer rim 60 to guide screw 24.
  • Channel 62 extends to the outside of sole unit 4.
  • a bottom portion of guide channel 40 may be formed as a rectangular recess in base plate 18 positioned centrally along the medial side of base plate 18, for example as shown in FIG. 17.
  • a guide piece 58 may be positioned on the inside of outer rim 60 to guide screw 24 and provide a stop for threaded member 26 and elevated member 28. Ridges 34 of channel 40 hold arch support plate 16 at a minimum distance from base plate so that pressure on the plates does not interfere with functioning of the adjustment mechanism.
  • Base plate 18 may have support additional ridges 35, for example four ridges as shown in FIG. 14 that radiate and slope down from an outer edge 36 of base plate 18 towards a central portion of base plate 18.
  • arch support plate 16 may include engageable elements 46 adapted to slideably engage complementary engageable elements 48 on base plate 18 so that arch support plate 16 may be repositioned relative to base plate 18.
  • base plate 18 may have several slots 50 of a general rectangularly curved shape positioned along a curved line corresponding to the outer edge of support plate 16 and adapted to engage complementary shaped tabs 52 on arch support plate 16.
  • Tabs 52 and slots 50 allow for a slideable repositioning of arch support plate 16 relative to base plate 18.
  • Ridges 34, 35 slope down and end at a position medial of slots 50.
  • Central portion 38 of base plate 18 further may have an edge formed as a raised surface 54
  • a user may adjust the height and curve of the arch support by engaging the adjustment screw head 30 with a key, for example hex key 32.
  • Rotation of key 32 adjusts screw 24, which repositions threaded member 26 along a transverse axis of sole unit 4.
  • Sloped side 44 of threaded member 26 interacts with sloped side 42 of elevating member 28, thereby moving elevating member either downward or upward relative to threaded member 26.
  • the position of arch support plate 16 is also changed and arch support plate 16 moves upward or downward relative to base plate 18.
  • Support plate 16 is held in the desired position by threaded member 26, which is held in place by screw 24 in guide channel 40. Additionally, when arch support plate 16 is moved upward, arch support plate 16 may be tensioned and warped into an elevated position.
  • the plate may be made of a semi-rigid material, for example a thermoplastic material.
  • the support plate may include a combination of rigid and flexible materials.
  • the inventive subject matter is further directed to a kit including footwear with an adjustable arch as described above and a key adapted to adjust the adjustment screw.
  • the inventive subject matter further contemplates a method for making and using the adjustable arch support and shoe having such a support as described above.
  • the above described shoe may be made by mounting or otherwise integrating a shoe upper on a sole unit.
  • arch support plate 16 and base plate 18 may be made of a molded plastic that provides sufficient support while also being somewhat resilient.
  • Adjustment screw 24 and threaded member 26 may be made of metal, for example, for strength and wear from foot pressure against the arch support components.
  • Footwear according to the inventive subject matter may come in different styles. Accordingly, the materials used, shapes, and structures of the sole unit and adjustable arch support may vary.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

La présente invention porte sur une semelle intercalaire ajustable qui peut être contenue de manière générale à l'intérieur d'unités semelles pour chaussures et, en particulier, à l'intérieur d'unités semelles à profil mince. Un ajustement de la semelle intercalaire conduit à un changement du profil d'une partie prédéterminée de la surface de support du pied d'une chaussure pour aider à recevoir la morphologie du pied d'un porteur particulier ou pour fournir des améliorations de résultats.
PCT/US2011/028183 2010-03-15 2011-03-11 Unités de semelle à cambrure ajustable WO2011115850A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/635,397 US20130014407A1 (en) 2010-03-15 2011-03-11 Sole unit with adjustable arch

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31406210P 2010-03-15 2010-03-15
US61/314,062 2010-03-15

Publications (1)

Publication Number Publication Date
WO2011115850A1 true WO2011115850A1 (fr) 2011-09-22

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WO (1) WO2011115850A1 (fr)

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US10244813B2 (en) 2016-05-19 2019-04-02 Vionic Group LLC Sandals with biomechanical foot support

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US11564440B1 (en) 2012-01-11 2023-01-31 Alliance Design And Development Group System and methods for adjusting variable geometry, height, weight distribution dynamics in orthotic devices and equipment
US10959484B1 (en) 2012-01-11 2021-03-30 Alliance Design And Development Group, Inc. System and methods for adjusting variable variable geometry, height, weight distribution dynamics in orthotic devices and equipment
US9603416B1 (en) * 2012-01-11 2017-03-28 Alliance Design And Development Group, Inc. Systems and methods for adjusting variable geometry, height, weight distribution dynamics in orthotic devices and equipment
US9380827B1 (en) * 2013-05-16 2016-07-05 Propet Global Limited Post-operative shoe and method for construction thereof
KR101716386B1 (ko) * 2016-05-30 2017-03-15 주식회사 세자 맞춤형 신발

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