US3486804A - Front opening dishwasher with improved rack assembly - Google Patents

Front opening dishwasher with improved rack assembly Download PDF

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Publication number
US3486804A
US3486804A US685468A US3486804DA US3486804A US 3486804 A US3486804 A US 3486804A US 685468 A US685468 A US 685468A US 3486804D A US3486804D A US 3486804DA US 3486804 A US3486804 A US 3486804A
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United States
Prior art keywords
rack
enclosure
sections
access opening
dishwasher
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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 - Lifetime
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US685468A
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English (en)
Inventor
Melvin R Kauffman
Wesley S Pattison
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General Electric Co
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General Electric Co
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Publication date
Application filed by General Electric Co filed Critical General Electric Co
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Publication of US3486804A publication Critical patent/US3486804A/en
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    • 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
    • A47L15/50—Racks ; Baskets
    • A47L15/507—Arrangements for extracting racks, e.g. roller supports

Definitions

  • An improved rack assembly for a dishwasher of the type including a washing enclosure having top, bottom, and side walls with an access opening through the front side wall.
  • the rack assembly includes upper and lower open framework dish racks positionable within the en- .closure in a vertically spaced relationship.
  • the lower rack extends over substantially the entire horizontal cross-sectional area of the enclosure when positioned therein and the upper rack is split from front to rear into left and right sections which have a combined cross-sectional area approximating that of the lower rack.
  • Support means are provided in the upper portion of the enclosure for removably supporting the upper rack sections selectively at several different elevations above the lower rack for substantially horizontal sliding movement through the access opening independently of the lower rack and of one another.
  • the support means are arranged such that the left and right upper rack sections can be respectively cantilevered from the enclosure side walls at the left and right sides of the access opening.
  • the present invention relates to dishwashing machines of the type having a front opening and racks which move substantially horizontally through that opening, and, more particularly, to an improved rack assembly which provides optimum effectiveness for such machines.
  • Dishwashing machines often have a washing enclosure with an access opening through the front side wall thereof. Such machines are usually provided with the door hinged at its bottom for pivotal movement from a vertical to a horizontal position to permit access to the washing enclosure. In such machines, there are usually two vertically spaced racks for receiving the articles to be washed. Each of these racks has a cross-sectional area substantially equal to that of the horizontal cross-section of the enclosure and is slidable independently of the other horizontally through the access opening to extend over the open door. It is conventional to form the bottom rack to receive larger dishes and the top rack to receive smaller dishes and glasses.
  • the present invention comprises a dishwasher rack assembly which provides the just-mentioned desirable features, while further providing an arrangement which eliminates support means from the area between the split upper rack sections. With the present invention, the area between the upper rack sections is unobstructed and their elevation adjustment or removal facilitated.
  • the present invention provides an improved rack assembly for an automatic dishwasher of the type including a washing enclosure having an access opening formed in its front side wall.
  • the assembly comprises: (A) a lower rack positionable within the lower portion of the enclosure for substantially horizontal movement through the access opening; (B) an upper rack positionable within the upper portion of the enclosure vertically spaced from the lower rack and split from front t rear into a left section and a right section; and (C) support means in the enclosure for respectively cantilevering the left and right upper rack sections from the enclosure side walls of the left and right of the access opening for substantially horizontal sliding movement through the access opening independently of one another and the lower rack.
  • FIGURE 1 is a front elevational view, with some of the parts broken away to illustrate details, of a dishwasher incorporating a first form of the improved rack asembly of the present invention
  • FIGURE 2 is a fragmentary front elevational perspective view of the upper portion of the dishwasher of FIG- URE 1 with the door open and the upper rack sections removed to show details of their support means;
  • FIGURE 3 is a fragmentary sectional view taken along line 33 of FIGURE 1, showing the right section of the upper rack and its support means extended through the enclosure access opening;
  • FIGURE 4 is a fragmentary sectional view taken along lines 4-4 of FIGURE 3 with the rack section removed from its support means;
  • FIGURE 5 is a fragmentary front elevational view of the upper portion of a dishwasher incorporating a second form of the rack assembly of the present invention with the door open.
  • the dishwasher includes an outer cabinet 11 having a top wall 12, a front wall 13, a rear wall 14 and left and right side walls 15 and 16.
  • the aforementioned walls define therein a washing enclosure 17.
  • the cabinet has an opening 18 in its front wall 13 which serves as an access opening for the admission of articles to and the removal of articles from the washing enclosure 17.
  • This access opening 18 is provided with a closure member or door 19 pivoted at its bottom edge by hinge means 20 to the cabinet front wall 13 adjacent the lower edge of the access opening 18.
  • the door 19 is movable between a substantially vertical position closing the opening 18 and a substantially horizontal position opening the opening 18.
  • the bottom of the Washing enclosure 17 is defined by a bottom wall 21 which is connected in a liquid-tight relationship to the walls 13-16.
  • the bottom wall 21 gradually slopes to a low point 22 near the center of the dishwasher.
  • a sump 23 Disposed below the low point 22 is a sump 23 which may be formed integrally in the bottom wall 21 or which may be a separate element secured to the bottom wall.
  • a motor-pump assembly 24 Disposed below and supported by the bottom wall 21 is a motor-pump assembly 24 which includes an electric motor 25, a pump 26 and an electrically-operated valve 27 (shown in block).
  • the sump 23 and the inlet of the pump 26 are interconnected by a large diameter conduit 28.
  • the conduit 28 is secured to the sump '23 by means of a clamp 29 and to the housing of the pump 26 by means of a clamp 30.
  • the pump has a main outlet 31 comirnunicating with a conduit 32 which in turn communicates with a spray head 33 that is rotatably mounted atop a centrally-bored pedestal 34 formed in the bottom wall 21.
  • the pump 26 is also provided with a discharge outlet 35 which is controlled by the valve 27 and is connected to the household sewage system (not shown) by suitable conduit means (not shown).
  • the valve 27 includes an element (not shown) within the housing of the pump 26 that is movable between two positions. In one of these positions'the element closes the efiluent discharge outlet 35 and opens the main outlet 31 and, in the other of these positions, closes the main outlet and opens the efiluent discharge outlet.
  • An electrical resistance heating element may be provided in the lower portion of the washing enclosure 17 to facilitate drying of articles supported therein upon completion of the normal wash and rinse operations.
  • An electrically operated fill valve (not shown) is provided to admit water to the washing enclosure 17 and elec tric sequence control means (not shown) of a well-known type is provided for sequentially operating the pump valve 27 and the fill valve.
  • the improved rack assembly of the present invention includes a conventional unitary lower rack 36 having a horizontal cross-sectional area substantially equal to that of the washing enclosure 17.
  • the lower rack 36 is provided with rollers 37 on its lower left and right edges.
  • the rollers 37 rest upon horizontal surfaces 38 formed on the interior of the cabinet left and right side Walls 15 and 16, respectively.
  • the surfaces 38 can be formed of suitable pieces of sheet metal, suitably shaped and secured to their respective side walls 15 and 16.
  • the surfaces 38 extend forwardly from the cabinet rear wall 14 and terminate adjacent the access opening 18 in the front of the cabinet wall.
  • the inner face of the door 19 is provided with surfaces or tracks (not shown) which, when the door is pivoted to its open position or in horizontal alignment with the surfaces 38 within the washing enclosure to permit the lower rack 36 to be rolled or slid onto the door 19.
  • the upper rack is split from front to rear along the center of the washing enclosure 17 and includes a left rack section 40 and a right rack section 41.
  • the upper rack sections 40 and 41 are substantially identical and comprise substantially rectangular open framework racks or baskets, which have a combined horizontal crosssectional area approximately equal to that of the lower rack 36.
  • the left and right upper rack sections can be respectively removably cantilevered from the enclosure side walls 15 and 16 selectively at various elevations above the lower rack 36 for substantially horizontal sliding movement in a foreand-aft direction through the access opening 18 independently of one another and of the lower rack 36 by support means located in the upper portion of the washing enclosure 17.
  • the support means for the upper rack sections 40 and 41 include centrally open, left and right, thick wire frames 42 and 43 and left and right mounting means 44 and 45 for respectively slidably mounting the left and right frames 42 and 43 to the enclosure side walls 15 and 16.
  • the left and right mounting means 44 and 45 are substantially the same and each includes a pair of horizontally-spaced vertically-arranged substantially C-shaped brackets 46 suitably fastened to the interior of each of the enclosure side walls 15 and 16. As illustrated, the jaws 47 of the brackets 46 extend inwardly into the enclosure 17 and are lined with a plastic bearing material, such as Teflon or the like, to form upper and lower tracks 48.
  • a plastic bearing material such as Teflon or the like
  • the tracks 48 on each of the side walls 15, 16 receive a slide member 49 for horizontal sliding movement therein through the access opening 18.
  • Each of the slide members 49 is formed from suitably interconnected structurally strong rods and includes a pair of vertically-spaced rods at its opposite ends which extend horizontally in a direction from the front to the rear of the enclosure to provide rails 50.
  • Each of the frames 42 and 43 has a generally rectangulagop-like base 51 which is provided with a central opening 52 in which the left and right rack sections 40 and 41 are respectively removably received.
  • Each of the frame bases 51 has an outer edge adjacent one of the enclosure side walls 15 or 16 and an inner edge adjacent the split between the upper rack sections 40 and 41.
  • each of the frames 42 and 43 has a pair of horizontally-spaced verticallyarranged brackets 53 rigidly attached to it, which are each formed with upper and lower jaw sets 54a and 54b.
  • Each of the, jaw sets 54a and 54b is adapted to be selectively slidably engaged over the rails 50 on the adjacent slide member 49 to provide at least two different vertical positions for each of the frames 42 and 43.
  • the lower end of each of the frame brackets 53 is suitably fastened by welding or other suitable means to the outer edge of the frame base 51 and has its upper end similarly fastened to a brace member .55, which is fixed to and angled upwardly and outwardlyfrom'the inner edge of theframe base.
  • the jaws 54a and 54b are also each preferably lined with a plastic bearing material, such as Teflon or the like, to. promote sliding on the rails
  • a plastic bearing material such as Teflon or the like
  • each of the frames 42 and 43 can slide relative to itsslide member 49 on the rails 50, ,and its slide member 49 can slide relative to its cabinet side wall 15 or 16 in the tracks 48.
  • Each of the frames 42 and 43 can be readily completely removed fromthe dishwasher by sliding the bracket jaws 54a and 54b free from the rails 50 on its slide member 49.
  • the slide members v49 are sized so that they can be moved rearwardly into the enclosure '17 to an extent whereby the:
  • the left .and right sections 40 and 41 are respectively removably mounted in the central opening 52in the base51'of the left and right frames 42 and 43 and means are provided for selectively positioning the rack sections 40 and 41 at various elevations relative to one another and to the lower rack 36.
  • This elevation selection is made possible by the previously-noted jaw sets 54a and 54b on the frames 42 and 43 and by. the provision of complementary elevation positioning means on the rack sections 40 and 41 and their respective frames 42 and 43.
  • these latter elevation positioning means include a pair of upwardly and rearwardly extending hooks 56 formed on the rear edge of the 'central opening 52 in each of the frames 42 and 43 and a pair of upwardly opening resilient clips 57 mounted on the front edge of the central opening 52 in each of the frames 42 and 43.
  • each of the open framework upper rack sections 40 and 41 is provided with a pair of vertically spaced horizontal rods 58 and 59, respectively adjacent the top and bottom of its front and rear ends, which are selectively engageable in the hooks and clips 56 and 57. If it is desired to position one of the upper rack sections 40 or 41 at a higher elevation within the washing enclosure 17 (note the left upper rack section 40 in FIGURE 1), its bottom rods 59 are engaged in the complementary hooks 56 and clips 57 of its frame 42 or 43, when the rack section is mounted within the frame central opening. Alternatively, for positioning at a lower elevation (note the right upper rack section 41 in FIGURES l and 3), its upper rods 58 are so engaged.
  • FIGURE 5 illustrates another form of the present invention which is similar to that shown in FIGURES 1-4, except that the frames 42 and 43 are omitted and left and right upper rack sections 40 and 41' are directly removably slidably mounted to the rails 50 on the slide members 49 by the brackets 53 which are directly fastened by welding or other suitable means to the outer edges of the upper rack sections 40 and 41'.
  • the upper and lower jaw sets 54a and 54b on the brackets 53 comprise the means for varying the elevation of the upper rack sections 40 and 41 relative to one another and to the lower rack 36.
  • the left rack section 40' is slidably mounted on the rails 50 of the slide member 49 of the left mounting means 44 by the lower set of bracket jaws 54b and is thus cantilevered from the enclosure left side wall at a higher elevation than the right upper rack section 41, which is mounted on the rails 50 of slide member 49 of the right mounting means 45 by the upper set of bracket jaws 54a.
  • the present invention obcan be fully upper. rack viates the need for inner support means such as those provided in our above-noted copending application in the area between the upper rack sections. Hence, as best shown in FIGURES 1 and 5, the area between the upper v rack sections 40 and 41 or 40' and 41' can be unobstructed and their elevation adjustment or removal facilitated.
  • an improved rack assembly for supporting articles to be washed positioned within the enclosure comprising:
  • an improved rack assembly for supporting articles to be washed positioned within the enclosure comprising:
  • said support means including:
  • said means for removably cantilevering said one of said upper rack sections on said slide member includes:
  • an improved rack assembly for supporting articles to 'be positioned within the enclosure, comprising:
  • an improved rack assembly for supporting articles to be positioned within the enclosure, comprising:
  • a support means in the enclosure for respectively cantilevering said rack sections from the enclosure side Walls at the left and right of the access opening for substantially horizontal sliding movement through the access opening independently of one another, said support means including a centrally open frame for receiving at least one of said rack sections and mounting means on one of the enclosure side walls for mounting said frame for sliding movement through the access opening.

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  • Washing And Drying Of Tableware (AREA)
US685468A 1967-11-24 1967-11-24 Front opening dishwasher with improved rack assembly Expired - Lifetime US3486804A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68546867A 1967-11-24 1967-11-24

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US3486804A true US3486804A (en) 1969-12-30

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US685468A Expired - Lifetime US3486804A (en) 1967-11-24 1967-11-24 Front opening dishwasher with improved rack assembly

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US (1) US3486804A (da)
BR (1) BR6803781D0 (da)
DE (1) DE1810636A1 (da)
FR (1) FR96123E (da)
GB (1) GB1227799A (da)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3594058A (en) * 1969-04-17 1971-07-20 Gen Electric Rack assembly for front-loading dishwasher
US3834783A (en) * 1972-12-29 1974-09-10 Gen Electric Thermal growth compensation and mounting for plastic dishwasher tub
US4606464A (en) * 1985-01-17 1986-08-19 The Maytag Company Dishwasher rack with pivoted divider assembly
US5671986A (en) * 1993-11-12 1997-09-30 Vinet; Pierre Dishwasher rack support assembly
US5860716A (en) * 1997-03-28 1999-01-19 White Consolidated Industries, Inc. Dishwasher rack adjustment mechanism
US6571812B1 (en) * 2000-02-10 2003-06-03 Steris Inc. Universal shelving system
US20030226580A1 (en) * 2002-05-28 2003-12-11 Maytag Corporation Three rack dishwasher
US20050045215A1 (en) * 2003-08-25 2005-03-03 Maytag Corporation Three rack dishwasher with door mounted silverware basket
US20050104488A1 (en) * 2003-11-14 2005-05-19 Hunt Stacy A. Dishwaser with electrocoated dish rack
US20050133063A1 (en) * 2003-12-17 2005-06-23 Maytag Corporation Dishwasher having a side-by-side rack system
US20060119236A1 (en) * 2004-12-08 2006-06-08 Maytag Corporation Height adjuster mechanism for a dishwasher dish rack
US20060266349A1 (en) * 2005-04-29 2006-11-30 Electrolux Home Products Corporation N.V. Cooking oven chamber
US20100078048A1 (en) * 2006-11-23 2010-04-01 Bsh Bosch Und Siemens Haugeräte Gmbh Cutlery basket for a dishwasher and dishwasher
US7775378B2 (en) 2007-05-04 2010-08-17 Electrolux Home Products, Inc. Height adjustment mechanism for a dishwasher rack and associated method
US20120074822A1 (en) * 2010-09-29 2012-03-29 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher, in particular domestic dishwasher
USRE43349E1 (en) * 1998-07-10 2012-05-08 Grace C. Petterson, legal representative Bottle rack
US20120222711A1 (en) * 2011-03-02 2012-09-06 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher having an adjustable upper basket
US10716452B2 (en) 2017-02-23 2020-07-21 Munchkin, Inc. Compact drying rack
US10820783B2 (en) 2017-03-31 2020-11-03 Electrolux Appliances Aktiebolag Bracket, rack, and dishwasher
US10973389B2 (en) * 2019-08-30 2021-04-13 Midea Group Co., Ltd. Basket for a dish washing appliance
CN113679187A (zh) * 2021-08-05 2021-11-23 江西远大保险设备实业集团有限公司 一种可自动清尘物证暂存柜

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2943232B1 (fr) * 2009-03-23 2011-05-20 Fagorbrandt Sas Machine a laver la vaisselle comprenant deux paniers a vaisselle verticaux
FR2958145B1 (fr) * 2010-03-30 2012-07-27 Fagorbrandt Sas Dispositif telescopique de soutien et de guidage en translation d'un panier de lave-vaisselle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269548A (en) * 1964-11-20 1966-08-30 Hobart Mfg Co Rack construction for dishwashing machine
US3306693A (en) * 1965-05-24 1967-02-28 Gen Electric Rack system for dishwasher
US3311072A (en) * 1966-04-01 1967-03-28 Gen Electric Cantilever slide-out shelf
US3334954A (en) * 1966-01-13 1967-08-08 Gen Motors Corp Sliding shelving

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269548A (en) * 1964-11-20 1966-08-30 Hobart Mfg Co Rack construction for dishwashing machine
US3306693A (en) * 1965-05-24 1967-02-28 Gen Electric Rack system for dishwasher
US3334954A (en) * 1966-01-13 1967-08-08 Gen Motors Corp Sliding shelving
US3311072A (en) * 1966-04-01 1967-03-28 Gen Electric Cantilever slide-out shelf

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3594058A (en) * 1969-04-17 1971-07-20 Gen Electric Rack assembly for front-loading dishwasher
US3834783A (en) * 1972-12-29 1974-09-10 Gen Electric Thermal growth compensation and mounting for plastic dishwasher tub
US4606464A (en) * 1985-01-17 1986-08-19 The Maytag Company Dishwasher rack with pivoted divider assembly
US5671986A (en) * 1993-11-12 1997-09-30 Vinet; Pierre Dishwasher rack support assembly
US5860716A (en) * 1997-03-28 1999-01-19 White Consolidated Industries, Inc. Dishwasher rack adjustment mechanism
USRE43349E1 (en) * 1998-07-10 2012-05-08 Grace C. Petterson, legal representative Bottle rack
US6571812B1 (en) * 2000-02-10 2003-06-03 Steris Inc. Universal shelving system
US6666218B2 (en) 2000-02-10 2003-12-23 Steris Inc. Universal shelving system and method of use
US20030226580A1 (en) * 2002-05-28 2003-12-11 Maytag Corporation Three rack dishwasher
US7032604B2 (en) 2002-05-28 2006-04-25 Maytag Corporation Three rack dishwasher
US20050045215A1 (en) * 2003-08-25 2005-03-03 Maytag Corporation Three rack dishwasher with door mounted silverware basket
US20050104488A1 (en) * 2003-11-14 2005-05-19 Hunt Stacy A. Dishwaser with electrocoated dish rack
US7198054B2 (en) 2003-12-17 2007-04-03 Maytag Corporation Dishwasher having a side-by-side rack system
US20050133063A1 (en) * 2003-12-17 2005-06-23 Maytag Corporation Dishwasher having a side-by-side rack system
US20060119236A1 (en) * 2004-12-08 2006-06-08 Maytag Corporation Height adjuster mechanism for a dishwasher dish rack
US7410228B2 (en) 2004-12-08 2008-08-12 Whirlpool Corporation Height adjuster mechanism for a dishwasher dish rack
US20060266349A1 (en) * 2005-04-29 2006-11-30 Electrolux Home Products Corporation N.V. Cooking oven chamber
US20100078048A1 (en) * 2006-11-23 2010-04-01 Bsh Bosch Und Siemens Haugeräte Gmbh Cutlery basket for a dishwasher and dishwasher
US8196593B2 (en) * 2006-11-23 2012-06-12 Bsh Bosch Und Siemens Hausgeraete Gmbh Cutlery basket for a dishwasher and dishwasher
US7775378B2 (en) 2007-05-04 2010-08-17 Electrolux Home Products, Inc. Height adjustment mechanism for a dishwasher rack and associated method
US8708434B2 (en) * 2010-09-29 2014-04-29 Bsh Bosch Und Siemens Hausgeraete Gmbh Dishwasher, in particular domestic dishwasher
US20120074822A1 (en) * 2010-09-29 2012-03-29 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher, in particular domestic dishwasher
US20120222711A1 (en) * 2011-03-02 2012-09-06 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher having an adjustable upper basket
US9289109B2 (en) * 2011-03-02 2016-03-22 Bsh Hausgeraete Gmbh Dishwasher having an adjustable upper basket
US10716452B2 (en) 2017-02-23 2020-07-21 Munchkin, Inc. Compact drying rack
US10820783B2 (en) 2017-03-31 2020-11-03 Electrolux Appliances Aktiebolag Bracket, rack, and dishwasher
US10973389B2 (en) * 2019-08-30 2021-04-13 Midea Group Co., Ltd. Basket for a dish washing appliance
CN113679187A (zh) * 2021-08-05 2021-11-23 江西远大保险设备实业集团有限公司 一种可自动清尘物证暂存柜
CN113679187B (zh) * 2021-08-05 2022-08-26 江西远大保险设备实业集团有限公司 一种可自动清尘物证暂存柜

Also Published As

Publication number Publication date
GB1227799A (da) 1971-04-07
DE1810636A1 (de) 1969-07-10
BR6803781D0 (pt) 1973-01-23
FR96123E (fr) 1972-05-19

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