US3828183A - Indirect lighting fixture - Google Patents

Indirect lighting fixture Download PDF

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Publication number
US3828183A
US3828183A US00179310A US17931071A US3828183A US 3828183 A US3828183 A US 3828183A US 00179310 A US00179310 A US 00179310A US 17931071 A US17931071 A US 17931071A US 3828183 A US3828183 A US 3828183A
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US
United States
Prior art keywords
central portion
shell
chassis
lighting fixture
side flanges
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 - Lifetime
Application number
US00179310A
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English (en)
Inventor
K Arenhold
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.)
MELUDE
Original Assignee
MELUDE
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
Priority claimed from FR146435A external-priority patent/FR1583790A/fr
Priority claimed from FR158328A external-priority patent/FR95934E/fr
Priority claimed from FR166411A external-priority patent/FR95746E/fr
Application filed by MELUDE filed Critical MELUDE
Application granted granted Critical
Publication of US3828183A publication Critical patent/US3828183A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004—Personal or domestic articles
    • F21V33/0012—Furniture
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/08—Table tops; Rims therefor
    • A47B13/12—Transparent tops, e.g. with lighting means under the table top
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/005—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources

Definitions

  • the chassis comprises an inner support member having a generally rectangular central portion and end portions extending angularly from the central portions. Provisions are made for mounting one or more fluorescent light tubes on the side of the central portion opposite that from which said end portions extend.
  • the cover which similarly has a central portion and inclined end portions fits over the chassis with the light tubes between the cover and the inner support member.
  • the cover has side flanges extending in the direction of the chassis and the inner supporting member has angular side flanges received between the side flanges of the cover.
  • FIG. 11 FIG. 12
  • the invention relates to a particularly attractive and advantageous construction of a fixture for the glare free mounting of a light source such as an incandescent lamp or flourescent lamp, in particular to produce indirect lighting while at the same time being usable as milti-purpose furniture.
  • a light source such as an incandescent lamp or flourescent lamp
  • Lighting units and in particular hanging lamps, floor lamps, table lamps, desk lamps and other lamps of different forms are well known and have particular properties adapting them for their practical use.
  • a floor lamp has, in general, a base and a vertical support whereby satisfactory lighting without glare can be obtained in a limited area and the lamp can be made to harmonize with its surroundings.
  • the latter feature is to a large extent dependent on the personal taste of the user of a particular lamp design.
  • lamps of this kind are of quite diverse design but they do not, however, meet all of the aforementioned requirements.
  • the manner of practical use of a lamp is predetermined and the user of such a lamp does not have the possibility of changing the lamp to any extent, either in its arrangement or in its function. In case any such alteration of the lighting is required, it is necessary to procure a new lamp which is designed for the new use.
  • the taste of the purchasing public with respect to the design of lamps is known to be very diversified so that lamps of a particular kind and for a particular purpose can be produced only in relatively limited numbers which naturally mitigates against economical mass production.
  • An object of the present invention is to avoid the above-mentioned disadvantages and to provide a fixture for the glare free arrangement of a light source which, by reason of its particular design, can be used in the most diverse ways and can be readily modified to enable the holder to provide in particular for the production of indirect lighting and, by suitable dimensioning and design, can at the same time be used as various articles of furniture, for example, as a table, a bench, a television stand, or the like.
  • a fixture in accordance with the invention is characterized by a base part or shell having a central portion and inclined end portions disposed at an angle of more than 90 and preferably approximately 1 10 to the central portion.
  • the central portion and the end portions are of channel cross-section so as to provide a space for receiving one or more tubular lamps between the end portions and between the opposite side flanges of the central portion.
  • the fixture in accordance with the invention comprises a chassis which is separable from the base part or shell and which carries the light source, current supplying conductors and accessories such as ballast and starter.
  • the chassis fits inside the base part or shell which thereby serves as a cover.
  • the chassis thus serves to reinforce and stiffen the cover so that the latter can be formed of thin material.
  • the lighting fixture in accordance with the invention is formed of thin, strong, stable material, for example, iron or aluminium sheet metal, or strong heat-resisting plastic material, for example, fiber glass.
  • thin, strong, stable material for example, iron or aluminium sheet metal
  • strong heat-resisting plastic material for example, fiber glass.
  • inner stiffening and strengthening ribs which are molded or pressed into the plastic material and at the same time serve as carriers for the light source.
  • the fixture in accordance with the invention may be provided with suitable facilities such as threaded holes, insert bushings or the like for securing feet, plates, connecting rodsbetween several fixtures, or the like.
  • the fixture is formed of metal or is provided with metal inserts so that different magnetic accessories can be removably secured to the fixture in a convenient and simple manner.
  • the metal inserts can be eitherindividual small plates or elongated strips. Through such an arrangement a screen or reflector for directing the light rays to a desired position can be readily secured to the fixture.
  • FIGS. 1 to 3 are schematic side views of lighting fixtures in accordance with the present invention.
  • FIGS. 4 to 6 are schematic perspective views of other embodiments.
  • FIGS. 7 and 8 are schematic plan views of fixtures in accordance with the invention installed in a wall.
  • FIGS. 9 and 10 are views from the inside of the fixture provided with a light shield above or below the fixture.
  • FIGS. 11 and 12 are schematic plan views showing three light fixtures arranged parallel to one another.
  • FIG. 13 is a side view of a fixture having magnetic accessories.
  • FIGS. 14A and 14B are plan views of two modifications.
  • FIG. 15 is a section taken on the line XV-XV in FIG. 13.
  • FIG. 16 is a schematic side view of an unsymmetrical embodiment.
  • FIG. 17 is a side view partially in a longitudinal section of a light fixture in accordance with the invention.
  • FIG. 18 is a plan view of the fixture shown in FIG. 17 with a portion broken away to show the interior.
  • FIG. 19 is an end view of the fixture shown in FIG. 17, a portion of the outer shell broken away.
  • FIG. 20 is'a cross-section taken approximately on line XX-XX in FIG. 17.
  • FIG. 1 there is shown a fixture 21 comprising a rigid shell or housing 22 having a flat central portion 22a and inclined end portions 22b which join the central portion in rounded corners 22c. As seen in FIG. 1, the end portions 22b are inclined at an angle of approximately [10 to the central portion 22a. Inwardly extending side flanges 22d extend along opposite sides of the central portion 22a and in the end portions 22b.
  • the housing is desirably formed with stiffening or strengthening ribs.
  • a light source comprising one or more tubes 23 is mounted in the fixture between the side flanges 22d.
  • the housing 22 shown in FIG. 1 is formed of opaque material such as sheet metal or translucent material such as plastic which is desirably reinforced with glass fibers.
  • the housing may be formed partly of translucent or transparent material and partly of opaque material. If the housing is formed of transparent or translucent material, selected portions'may be opaqued by means of an opaque layer or a coating.
  • the fixture shown in FIG. 2 likewise comprises a rigid housing 22 inside of which the light source 23, for example in the form of flourescentlight tubes, is arranged.
  • the housing 22 has a straight middle portion 27 and two inclined end portions 24, and 24 which are of equal length.
  • the fixture may be supported on the floor or on a piece of furniture or on other suitable supportable surface 25, with the inclined end portions 24, and 24, serving as legs.
  • a glass plate 26 supported on the housing 22 by strips or feet 26a can be used for supporting books, ash trays or other objects.
  • the fixture of FIG. 2 is suitable for use as a table, for example a coffee table or end table.
  • FIG. 3 shows a particularly useful and original application of fixtures in accordance with the present invention.
  • two housings 35, and 35 are superimposed with their inner sides facing one another.
  • the upper housing 35 is provided with a light source in the form of a light tube 36 which provides a light of constant or variable intensity.
  • a plate 37 of glass or other material is mounted on top of the upper housing 31, as in FIG. 2.
  • the straight middle portion 38 on the under side of the lower housing 35 serves as a supporting surface of the fixture.
  • the fixture shown in FIG. 3 may be utilized as a table, side board or other piece of furniture. Alternatively, it can be made smaller and used as a desk or table lamp, in which event the plate 37 serves as a useful support for vases, books and other objects.
  • a plate 39 which may be of opaque or transparent material, may be placed between the upper and lower housings 35, and 35
  • a light source may if desired also be pro vided in the lower housing 35 or alternatively may be omitted.
  • the inside of the lower housing 35 may be used for other devices such as radio apparatus, loud speakers or the like which can be controlled by control knobs 32 on the side of the upper'housing 35,.
  • This embodiment of the invention is particularly suitable for use as a night table, or the like.
  • the fixture may be made of a wide variety of transparent or translucent material.
  • FIG. 4 shows a vertical arrangement of the lighting fixture for lighting an object from the side.
  • the lighting fixture is suitably supported on a wall or other support.
  • a lighting fixture in accordance with the invention is supported by one end in a vertical position on a rotatable base 28, 29.
  • the lighting fixture can be turned in any direction or it can be set in constant rotation driven, for example, by a small electric motor.
  • suitable variable switch means it is possible to obtain different lighting effects as the fixture rotates.
  • FIG. 7 a lighting fixture in accordance with the present invention is shown mounted on a wall by means of its end portions 49, and 49 with the straight central portion of the housing parallel to and spaced from the wall.
  • This arrangement is useful for example for a wall light which is provided with a single light source. If de- 52 as shown in FIG. 10. In this manner it is possible in a simple way to direct the light rays either upwardly or downwardly.
  • the screen 53 is magnetized or provided with permanent magnets it can be held in place on a metallic housing without special fastening devices.
  • FIGS. 11 and 12 show further examples using a plurality of fixtures in accordance with the invention arranged parallel to one another.
  • FIGS. 13 to 15 Another embodiment of the invention is shown in FIGS. 13 to 15 of which FIG. 13 is a side view of afixture, FIGS. 14A and 14B are alternative partial plan views and FIG. 15 is a section taken on a line XV-XV in FIG. 13.
  • the housing 41 - is formed either wholly of ferrous metal or is provided with a plurality of metal inserts 42,, 42 and 42 These metal inserts are secured in suitable manner and can be provided on the inner side 44 of the base part of the housing as well as on the side flanges 43, and 43
  • the inserts can be of any desired shape, such as small plates 42,, 42 and 42 or elongated strips 45, and 45
  • magnetic accessories such as a seat cushion 46 or decorative molding 47 can be quickly and easily fixed in desired position on the housing and can be easily removed so that different accessories are easily and quickly interchangeable. If the seat cushion 46 were to be simply placed on the upper side 48 of the housing 41, it could slide off the smooth upper surface.
  • the cushion 46 is held securely on the housing. It will be understood that the metallic inserts 42 and 45 are not necessary when the housing itself is formed of ferrous metal so that the magnetic accessories are held thereon.
  • the lighting fixture 61 is unsymmetrical and consists of two sections 62 and 63 of unequal length, the section 62 being longer than section 63.
  • the two sections are arranged at an angle to one another so that the outer surfaces meet in a rounded comer 64.
  • the angle between the two unequal sections is shown as being approximately 90 but can be greater or smaller.
  • the sections 62 and 63 are provided with side flanges at opposite sides.
  • a light source comprising one or more tubular or other lamps is disposed between the side flanges.
  • the free ends of the sections 62 and 63 rest on or are secured to a wall, ceiling, floor or other supporting surface.
  • FIGS. 17 to 20 A lighting fixture in accordance with the present invention is shown in greater detail in FIGS. 17 to 20.
  • the fixture comprises a chassis having an inner support member 71 which may be formed as a sheet metal stamping or as a molding of transparent, translucent or opaque plastic material. If formed of opaque material, the support may have windows or cutouts to permit light to be transmitted through it.
  • the support 71 has a slightly curved central portion 71a and inclined end portions 71b. In cross-section, the central portion is straight as seen in FIG. 20 with angularly disposed side flanges 71c which are bifurcated so as to form channels 71d.
  • Tubular lamps 72 which are preferably flourescent, are disposed on the inner side of the support 71 and mounted at their ends in sockets 73 supported by brackets 74.
  • a starter 75 for the lights is also mounted on the bracket 74.
  • a cross piece 80 disposed parallel to the bracket 74 at opposite ends of the central portion of the support 71 carries a ballast 81 and a junction block 77.
  • the chassis is grounded by means of a ground wire (not shown) connected by screws 82 to the bracket 74 and cross piece 80.
  • the outer ends of the support member 71 are provided with cross strips 83 having cross shaped openings 84 to receive hooks, screws or other securing means for attaching the chassis to a wall, ceiling or other support.
  • the cross strips 83 are also provided with hooks 85 for securing in place a shell or cover 86 in which the chassis is received.
  • the cover 86 has a straight central portion 860 and inclined integral end portions 86b disposed at an angle of approximately l05 to the central portion 86a.
  • the cover is of channel shape with integral inwardly extended side flanges 86c which extend along the central portion and also along the end portions of the cover. As seen in FIG.
  • the free edges of the central portions of the side flanges corresponding to the central portion of the cover are slightly curved so that the flanges are somewhat deeper near the ends of the central portion 86a than at the middle.
  • the side flanges of the central portion merge into the side flanges of the end portions which taper so that they are not as deep at the ends.
  • the cover 86 is formed of molded transparent or translucent plastic material.
  • the inner support may be formed with cutouts or windows to permit the passage of light through it.
  • the cover 86 may be formed either of metal or other opaque material or of transparent or translucent material as desired.
  • the light from the lamp tubes 72 may be transmitted either outwardly through the cover 86, inwardly through the inner support 71 or both inwardly and outwardly.
  • FIGS. 17 to 20 may be used in the fixtures illustrated in FIGS. 1 to 15 and byeliminating one end portionin the fixture of FIG. 16. It will be understood that the embodiments illustrated in the drawings are shown only by way of example and that various modifications may be made.
  • a lighting fixture comprising a shell and a chassis, said shell having an elongated generally rectangular straight central portion and like opposite end portions inclined at an obtuse angle of the order to said central portion, said central portion having like opposite side flanges and said end portions having like opposite side flanges merging into the side flanges of said central portion, said chassis being translucent and having an elongated generally rectangular central portion nested between said side flanges of the central portion of said shell and like inclined end portions nested between said side flanges of the inclined end portions of said shell with a space between the central portion of said chassis and the central portion of said shell, means for mounting at least one light tube in said space, and means for releasably securing said shell to said chassis whereby light is diffused through said central portion and said end portions of said chassis.
  • a lighting fixture according to claim 2 in which free edges of said opposite side flanges of said central portion of the shell are concavely curved so that said side flanges have a greater width at their ends than at a central portion.
  • a lighting fixture according to claim 3 in which free edges of said opposite side flange portions of said end portions of the shell join respective free edge portions of said opposite side flange portions of said central portion of the shell in smooth curves.
  • a lighting fixture according to claim 1 in which said shell is of molded translucent material.
  • a lighting fixture according to claim 1 in which said chassis has angular side flanges extending in a direction toward said shell and received between said side flanges of said shell.
  • edges of said side flanges of said chassis are formed with channels to receive electrical conductors for said light tube.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
US00179310A 1968-03-29 1971-09-10 Indirect lighting fixture Expired - Lifetime US3828183A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR146435A FR1583790A (es) 1968-03-29 1968-03-29
FR158328A FR95934E (fr) 1968-03-29 1968-07-08 Élément lumineux pour installation et décoration d'intérieurs.
FR166411A FR95746E (fr) 1968-03-29 1968-09-17 Élément lumineux pour installation et décoration d'intérieurs.
FR174995A FR95832E (fr) 1968-03-29 1968-11-22 Élément lumineux pour installation et décoration d'intérieurs.

Publications (1)

Publication Number Publication Date
US3828183A true US3828183A (en) 1974-08-06

Family

ID=27444973

Family Applications (1)

Application Number Title Priority Date Filing Date
US00179310A Expired - Lifetime US3828183A (en) 1968-03-29 1971-09-10 Indirect lighting fixture

Country Status (12)

Country Link
US (1) US3828183A (es)
BE (1) BE730436A (es)
CA (1) CA921007A (es)
CH (1) CH496208A (es)
DE (1) DE1914848A1 (es)
DK (1) DK131393B (es)
FR (1) FR95832E (es)
GB (1) GB1270396A (es)
IE (1) IE33490B1 (es)
IL (1) IL31869A (es)
NL (1) NL6904833A (es)
OA (1) OA03029A (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3603152A1 (de) * 1986-02-01 1986-10-09 Gustav 5802 Wetter Illguth Untersatz fuer beleuchtungskoerper

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4436133A1 (de) * 1994-09-28 1996-04-04 Henri Eber Einrichtungsgegenstand mit Leuchte

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE531441A (es) * 1953-08-29
DD34999A (es) *
US1587469A (en) * 1925-03-24 1926-06-01 Campagna Rebecca Levy Lamp base or pedestal
US2564865A (en) * 1950-06-21 1951-08-21 Harold B Turner Window canopy
US2662163A (en) * 1950-08-10 1953-12-08 William J Mollner Combination lighting fixture and curtain holder
US2935598A (en) * 1958-05-05 1960-05-03 Charles A Dempsey Illuminated panel
US3007037A (en) * 1958-08-25 1961-10-31 Virginia K Klemme Lamp for keyboard instruments
US3057991A (en) * 1960-10-20 1962-10-09 Ender Monarch Corp Handrails and means for illuminating the same
US3131871A (en) * 1960-11-28 1964-05-05 Gen Electric Combination rail and luminaire
US3544782A (en) * 1967-06-16 1970-12-01 Soundolier Mfg Co Inc Luminated guard rail assembly

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD34999A (es) *
US1587469A (en) * 1925-03-24 1926-06-01 Campagna Rebecca Levy Lamp base or pedestal
US2564865A (en) * 1950-06-21 1951-08-21 Harold B Turner Window canopy
US2662163A (en) * 1950-08-10 1953-12-08 William J Mollner Combination lighting fixture and curtain holder
BE531441A (es) * 1953-08-29
US2935598A (en) * 1958-05-05 1960-05-03 Charles A Dempsey Illuminated panel
US3007037A (en) * 1958-08-25 1961-10-31 Virginia K Klemme Lamp for keyboard instruments
US3057991A (en) * 1960-10-20 1962-10-09 Ender Monarch Corp Handrails and means for illuminating the same
US3131871A (en) * 1960-11-28 1964-05-05 Gen Electric Combination rail and luminaire
US3544782A (en) * 1967-06-16 1970-12-01 Soundolier Mfg Co Inc Luminated guard rail assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3603152A1 (de) * 1986-02-01 1986-10-09 Gustav 5802 Wetter Illguth Untersatz fuer beleuchtungskoerper

Also Published As

Publication number Publication date
DE1914848A1 (de) 1969-11-27
DK131393C (es) 1975-12-01
FR95832E (fr) 1971-07-09
IL31869A0 (en) 1969-05-28
IE33490L (en) 1969-09-29
GB1270396A (en) 1972-04-12
DK131393B (da) 1975-07-07
CA921007A (en) 1973-02-13
BE730436A (es) 1969-09-01
IL31869A (en) 1974-05-16
IE33490B1 (en) 1974-07-24
OA03029A (fr) 1970-12-15
CH496208A (fr) 1970-09-15
NL6904833A (es) 1969-10-01

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