US3284136A - Articles of furniture - Google Patents

Articles of furniture Download PDF

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Publication number
US3284136A
US3284136A US449244A US44924465A US3284136A US 3284136 A US3284136 A US 3284136A US 449244 A US449244 A US 449244A US 44924465 A US44924465 A US 44924465A US 3284136 A US3284136 A US 3284136A
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Prior art keywords
spigot
top part
elements
underframe
head
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US449244A
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Harrison Ronald George
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PEL Ltd
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PEL Ltd
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/04—Metal chairs, e.g. tubular
    • A47C5/06—Special adaptation of seat upholstery or fabric for attachment to tubular chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/12—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats with shell-shape seat and back-rest unit, e.g. having arm rests
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/02—Dismountable chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/02—Dismountable chairs
    • A47C4/03—Non-upholstered chairs, e.g. metal, plastic or wooden chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/04—Metal chairs, e.g. tubular
    • A47C5/10—Tubular chairs of foldable, collapsible, or dismountable type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/12—Chairs of special materials of plastics, with or without reinforcement
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/16—Seats made of wooden, plastics, or metal sheet material; Panel seats

Definitions

  • the top part is provided with a plurality of spigot elements which project respectively through a plurality of associated parts of the underframe, each spigot element being formed intermediate its ends with a portion of reduced external dimensions so that a head is provided on the free end of the spigot element and there being also provided a plurality of retaining elements embracing said reduced portions of the spigot element respectively and each having a head-engaging part disposed between the head of the associated spigot element and the associated part of the underframe.
  • the top part is in the form of synthetic resin a moulding of which the spigot elements are integral parts.
  • the moulding may define the seat portion of the chair or the integrally connected seat and back portions of the chair.
  • the invention also resides in a moulding adapted to form the top part of a chair constructed in accordance with the invention and provided beneath its seat portion with a plurality of integral spigot elements each of which is formed intermediate its ends with a portion of reduced external dimensions so that a head is provided on the free end of each spigot element,
  • FIGURE 1 is a perspective view showing the underside of a chair embodying an example of the invention
  • FIGURE 2 is an enlarged fragmentary sectional view of a detail of FIGURE 1
  • FIGURE 3 is a still further enlarged fragmentary section on line 3-3 in FIG- URE 2.
  • the article of furniture shown is in the form of a chair in which a top part is supported by a tubular underframe 11.
  • the top part is in the form of a polypropylene moulding which provides a seat portion 10a and an integral back support 10b.
  • each spigot element 12 is formed on a slightly raised surface area 100 of the moulding and is of generally circular cross-section along its whole length.
  • the external diameter of a part 12a of each spigot element 12, intermediate the ends thereof, is reduced and tapers towards the free end of the spigot element.
  • the free end of the spigot thus forms a head 12b.
  • the head 12b is of approximately the same external diameter as the portion 120 of the spigot element 12 disposed between the reduced part 12a and the aforementioned raised area 100.
  • the axial length of this last mentioned portion 120 of the spigot element 12 is only slightly greater than the thickness of each of a plurality of apertured lugs 13 on the 3,284,136 Patented Nov. 8, 1966 underframe.
  • the spigot elements 12 extend respectively through the apertures in these lugs 13 and each carries a retaining element 14.
  • the retaining elements are in the form of rings made of a hard synthetic resin material, such as that known as Delrin, and each has a flared mouth 14a at one end.
  • the axial thickness of the ring is approximately equal to the axial length of the reduced part 12a of the associated spigot element 12, the minimum internal diameter of the ring 14 being somewhat less than the diameter of the head 12b.
  • the top part 10* is arranged on the underframe 11 so that the spigot elements 12 project through the apertured lugs 13 on the underframe and a suitable tool is used to force the rings 14 over the heads 12b of the spigots 12.
  • a suitable tool is used to force the rings 14 over the heads 12b of the spigots 12.
  • the spigot element 12 being hollow, contracts slightly and then, owing to its resilience, expands again to hold the ring 14 and lug 13 firmly in position.
  • the invention includes within its compass many variations of the construction described above.
  • the spigot elements which need not necessarily be integral with the moulding, may be of square or other non-circular section if desired.
  • the shape of the rings would, of course, be altered accordingly.
  • the rings may be replaced by caps which fit tightly over the ends of the spigot elements.
  • the rings or caps may be formed of any suitable material, such as sintered metal.
  • An article of furniture comprising a top part moulded in a synthetic plastic material, a plurality of spigot elements integrallly formed on the top part, each spigot element having an intermediate portion of reduced external dimensions defining a head at the free end of each spigot element, an underframe for supporting the top part and including a plurality of parts having apertures therein through which said spigot elements project respectively, and a plurality of retaining elements each of which includes a throat portion of dimensions smaller than the dimensions of the head of each spigot element, the retaining elements being engaged with snap-action between the heads of the spigot elements and said underframe parts to secure the top part to the underframe.
  • An article of furniture comprising a top part moulded in a flexible resilient synthetic plastic material, a plurality of hollow spigot elements integrally formed on the top part, each spigot element having an intermediate portion of reduced external dimensions so as to provide a head on the free end of each spigot element, an underframe for supporting the top part and including a plurality of apertured lugs through which the spigot elements extend respectively, and a plurality of retaining rings engaged respectively with said spigot elements, each ring having a flared mouth tapering to a throat of internal dimensions smaller than the cross-sectional dimensions of the head of each spigot element, so that each ring is engaged with snap-action between the head of each spigot element and the associated apertured lug.
  • a chair comprising a top part moulded from a flexible resilient synthetic plastic material, said. top part including a seat portion, an integral back portion, and a plurality of integral hollow spigot elements projecting from the seat portion, each spigot element having an intermediate portion of reduced external dimensions so as to provide a head on the free end of each spigot element, an
  • each ring having a flared mouth tapering to a throat of dimensions less than the cross-sectional dimensions of the head on each spigot element so that the rings are engaged with the spigot elements with snap-action and engage between the heads of said spigot elements and said lugs.
  • each spigot element has a portion disposed between said intermediate portion and the seat portion of the top having crosssectional dimensions identical with those of the head portion, and the apertures in said lugs on the underframe having only slightly larger dimensions than the crosssectional dimensions of the head portion of each spigot element.

Description

Nov. 8, 1966 R. G. HARRISON ARTICLES OF FURNITURE Filed April 19, 1965 JZa J4 United States Patent 3,284,136 ARTICLES 0F FURNITURE Ronald George Harrison, Birmingham, England, assignor to Fe] Limited, Birmingham, England Filed Apr. 19, 1965, Ser. No. 449,244 Claims priority, application Great Britain, Apr. 27, 1964, 17,361/ 64 4 Claims. ((11. 297-451) This invention relates to articles of furniture of the kind including a supporting underframe and a top part. Whilst the invention may be applied to other types of furniture, it is envisaged that its principal application will be to chairs.
It is an object of the invention to provide such an article of furniture with convenient and secure means whereby the top part is connected to the underframe.
In accordance with the invention, in an article of furniture of the kind specified, the top part is provided with a plurality of spigot elements which project respectively through a plurality of associated parts of the underframe, each spigot element being formed intermediate its ends with a portion of reduced external dimensions so that a head is provided on the free end of the spigot element and there being also provided a plurality of retaining elements embracing said reduced portions of the spigot element respectively and each having a head-engaging part disposed between the head of the associated spigot element and the associated part of the underframe.
Preferably the top part is in the form of synthetic resin a moulding of which the spigot elements are integral parts. Where the article of furniture is a chair the moulding may define the seat portion of the chair or the integrally connected seat and back portions of the chair.
The invention also resides in a moulding adapted to form the top part of a chair constructed in accordance with the invention and provided beneath its seat portion with a plurality of integral spigot elements each of which is formed intermediate its ends with a portion of reduced external dimensions so that a head is provided on the free end of each spigot element,
Reference will now be made to the accompanying drawing in which FIGURE 1 is a perspective view showing the underside of a chair embodying an example of the invention, FIGURE 2 is an enlarged fragmentary sectional view of a detail of FIGURE 1 and FIGURE 3 is a still further enlarged fragmentary section on line 3-3 in FIG- URE 2.
Referring to the drawing the article of furniture shown is in the form of a chair in which a top part is supported by a tubular underframe 11. The top part is in the form of a polypropylene moulding which provides a seat portion 10a and an integral back support 10b.
Integrally connected to the underside of the seat portion 10a are a plurality of (for example four) hollow spigot elements 12. Each spigot element 12 is formed on a slightly raised surface area 100 of the moulding and is of generally circular cross-section along its whole length. The external diameter of a part 12a of each spigot element 12, intermediate the ends thereof, is reduced and tapers towards the free end of the spigot element. The free end of the spigot thus forms a head 12b. The head 12b is of approximately the same external diameter as the portion 120 of the spigot element 12 disposed between the reduced part 12a and the aforementioned raised area 100.
The axial length of this last mentioned portion 120 of the spigot element 12 is only slightly greater than the thickness of each of a plurality of apertured lugs 13 on the 3,284,136 Patented Nov. 8, 1966 underframe. The spigot elements 12 extend respectively through the apertures in these lugs 13 and each carries a retaining element 14. The retaining elements are in the form of rings made of a hard synthetic resin material, such as that known as Delrin, and each has a flared mouth 14a at one end. The axial thickness of the ring is approximately equal to the axial length of the reduced part 12a of the associated spigot element 12, the minimum internal diameter of the ring 14 being somewhat less than the diameter of the head 12b.
In assembling the chair described the top part 10* is arranged on the underframe 11 so that the spigot elements 12 project through the apertured lugs 13 on the underframe and a suitable tool is used to force the rings 14 over the heads 12b of the spigots 12. During this operation the spigot element 12, being hollow, contracts slightly and then, owing to its resilience, expands again to hold the ring 14 and lug 13 firmly in position.
Thus the example described will be seen to provide a very simple connection between the top part of the chair and the underframe thereof. The connection is, nonetheless, secure.
The invention includes within its compass many variations of the construction described above. The spigot elements, which need not necessarily be integral with the moulding, may be of square or other non-circular section if desired. The shape of the rings would, of course, be altered accordingly. Furthermore, the rings may be replaced by caps which fit tightly over the ends of the spigot elements. The rings or caps may be formed of any suitable material, such as sintered metal.
Having thus described my invention what I claim as new and desire to secure by Letters Patent is:
1. An article of furniture comprising a top part moulded in a synthetic plastic material, a plurality of spigot elements integrallly formed on the top part, each spigot element having an intermediate portion of reduced external dimensions defining a head at the free end of each spigot element, an underframe for supporting the top part and including a plurality of parts having apertures therein through which said spigot elements project respectively, and a plurality of retaining elements each of which includes a throat portion of dimensions smaller than the dimensions of the head of each spigot element, the retaining elements being engaged with snap-action between the heads of the spigot elements and said underframe parts to secure the top part to the underframe.
2. An article of furniture comprising a top part moulded in a flexible resilient synthetic plastic material, a plurality of hollow spigot elements integrally formed on the top part, each spigot element having an intermediate portion of reduced external dimensions so as to provide a head on the free end of each spigot element, an underframe for supporting the top part and including a plurality of apertured lugs through which the spigot elements extend respectively, and a plurality of retaining rings engaged respectively with said spigot elements, each ring having a flared mouth tapering to a throat of internal dimensions smaller than the cross-sectional dimensions of the head of each spigot element, so that each ring is engaged with snap-action between the head of each spigot element and the associated apertured lug.
3. A chair comprising a top part moulded from a flexible resilient synthetic plastic material, said. top part including a seat portion, an integral back portion, and a plurality of integral hollow spigot elements projecting from the seat portion, each spigot element having an intermediate portion of reduced external dimensions so as to provide a head on the free end of each spigot element, an
underframe for supporting the top part and including a plurality of apertured lugs through Which said spigot elements extend respectivley with the seat portion resting on said lugs and a plurality of retaining rings engaged respectively with said spigot elements, each ring having a flared mouth tapering to a throat of dimensions less than the cross-sectional dimensions of the head on each spigot element so that the rings are engaged with the spigot elements with snap-action and engage between the heads of said spigot elements and said lugs.
4. A chair as claimed in claim 3 in which each spigot element has a portion disposed between said intermediate portion and the seat portion of the top having crosssectional dimensions identical with those of the head portion, and the apertures in said lugs on the underframe having only slightly larger dimensions than the crosssectional dimensions of the head portion of each spigot element.
References Cited by the Examiner UNITED STATES PATENTS 9/1954 Jakeway 297416 10/1957 Bargen 297-452 3/1959 Cowles 16-42 5/ 1962 Lalandre 297440 9/1962 Militano 297440 8/ 1964 Grosfillex 297-440 10/1964 Militano 297-411 1/ 1965 McMastors 297440 2/1965 Yates 220-60 FOREIGN PATENTS 2/1954 Germany.
FRANK B. SHERRY, Primary Examiner.
CASMIR A. NUNBERG, Examiner.

Claims (1)

1. AN ARTICLE OF FURNITURE COMPRISING A TOP PART MODULDED IN A SYNTHETIC PLASTIC MATERIAL, PLURALITY OF SPIGOT ELEMENTS INTEGRALLY FORMED ON THE TOP PART, EACH SPIGOT ELEMENT HAVING AN INTERMEDIATE PORTION OF REDUCED EXTERNAL DIMENSIONS DEFINING A HEAD AT THE FREE END OF EACH SPIGOT ELEMENT, AN UNDERFRAME FOR SUPPORTING THE TOP PART AND INCLUDING A PLURALITY OF PARTS HAVING APERTURES THEREIN THROUGH WHICH SAID SPIGOT ELEMENTS PROJECT RESPECTIVELY AND A PLURALITY OF RETAINING ELEMENTS EACH OF WHICH INCLUDES A THROAT PORTION OF DIMENSIONS SMALLER THAN THE DIMENSIONS OF THE HEAD OF EACH SPIGOT ELEMENT, THE RETAINING ELEMENTS BEING ENGAGED WITH SNAP-ACTION BETWEEN THE HEADS OF THE SPIGOT ELMENTS AND SAID UNDERFRAME PARTS TO SECURED THE TOP PART TO THE UNDERFRAME.
US449244A 1964-04-27 1965-04-19 Articles of furniture Expired - Lifetime US3284136A (en)

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GB17361/64A GB1086071A (en) 1964-04-27 1964-04-27 Articles of furniture

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AT (1) AT251236B (en)
BE (1) BE662867A (en)
CH (1) CH434610A (en)
CY (1) CY458A (en)
DK (1) DK115726B (en)
FI (1) FI43221B (en)
FR (1) FR1431605A (en)
GB (1) GB1086071A (en)
NL (1) NL6505176A (en)
NO (1) NO118232B (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3407001A (en) * 1967-01-25 1968-10-22 Lawrence D. Minsker Article of furniture
US3669499A (en) * 1970-12-30 1972-06-13 Steelcase Inc Chair
US4305617A (en) * 1979-05-14 1981-12-15 Interroyal Corp. Chair construction
EP0371316A2 (en) * 1988-11-30 1990-06-06 Werler Kunststoffwerke GmbH & Co. Seating furniture
US5845962A (en) * 1997-03-24 1998-12-08 Forever Young Enterprise Co., Ltd. Foldable chair
USD771401S1 (en) * 2015-04-10 2016-11-15 B&B Italia S.P.A. Chair
USD779220S1 (en) * 2015-01-14 2017-02-21 Resinas Olot, S.L. Chair
USD993654S1 (en) * 2021-11-11 2023-08-01 Houe Aps Chair
USD994368S1 (en) 2022-02-25 2023-08-08 Houe Aps Chair
USD995136S1 (en) 2022-02-25 2023-08-15 Houe Aps Chair
USD996847S1 (en) 2021-08-27 2023-08-29 Houe Aps Chair
USD1000148S1 (en) 2022-02-25 2023-10-03 Houe Aps Sofa

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1163407B (en) * 1983-05-27 1987-04-08 Royal Plastic "DIRECTOR" TYPE FOLDING CHAIR

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE904863C (en) * 1952-07-15 1954-02-22 Continental Gummi Werke Ag Device for attaching cushions to vehicle seats, in particular tractor seats
US2690212A (en) * 1953-05-25 1954-09-28 Keeler Brass Co Plastic padded or ornamented furniture or the like and the method of making
US2808875A (en) * 1955-04-21 1957-10-08 Bargen William James Combination one piece back and seat
US2876485A (en) * 1954-12-03 1959-03-10 Gen Tire & Rubber Co Interlocking assembly
US3032375A (en) * 1959-06-12 1962-05-01 Alladin Plastics Inc Chair comprising removable elements
US3054643A (en) * 1960-07-18 1962-09-18 Finkel Outdoor Prod Chairs with snap-on slats and such slats
US3146028A (en) * 1958-11-25 1964-08-25 Sarl Grosfillex Freres Collapsible seat
US3152834A (en) * 1963-08-09 1964-10-13 Finkel Outdoor Prod Plastic arm rest
US3164347A (en) * 1962-11-01 1965-01-05 Southeastern Metals Company Tubular pedestal base
US3168961A (en) * 1962-02-16 1965-02-09 Cyril J Yates Hole plug

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE904863C (en) * 1952-07-15 1954-02-22 Continental Gummi Werke Ag Device for attaching cushions to vehicle seats, in particular tractor seats
US2690212A (en) * 1953-05-25 1954-09-28 Keeler Brass Co Plastic padded or ornamented furniture or the like and the method of making
US2876485A (en) * 1954-12-03 1959-03-10 Gen Tire & Rubber Co Interlocking assembly
US2808875A (en) * 1955-04-21 1957-10-08 Bargen William James Combination one piece back and seat
US3146028A (en) * 1958-11-25 1964-08-25 Sarl Grosfillex Freres Collapsible seat
US3032375A (en) * 1959-06-12 1962-05-01 Alladin Plastics Inc Chair comprising removable elements
US3054643A (en) * 1960-07-18 1962-09-18 Finkel Outdoor Prod Chairs with snap-on slats and such slats
US3168961A (en) * 1962-02-16 1965-02-09 Cyril J Yates Hole plug
US3164347A (en) * 1962-11-01 1965-01-05 Southeastern Metals Company Tubular pedestal base
US3152834A (en) * 1963-08-09 1964-10-13 Finkel Outdoor Prod Plastic arm rest

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3407001A (en) * 1967-01-25 1968-10-22 Lawrence D. Minsker Article of furniture
US3669499A (en) * 1970-12-30 1972-06-13 Steelcase Inc Chair
US4305617A (en) * 1979-05-14 1981-12-15 Interroyal Corp. Chair construction
EP0371316A2 (en) * 1988-11-30 1990-06-06 Werler Kunststoffwerke GmbH & Co. Seating furniture
EP0371316A3 (en) * 1988-11-30 1990-09-12 Werler Kunststoffwerke GmbH & Co. Seating furniture
US5845962A (en) * 1997-03-24 1998-12-08 Forever Young Enterprise Co., Ltd. Foldable chair
USD779220S1 (en) * 2015-01-14 2017-02-21 Resinas Olot, S.L. Chair
USD799227S1 (en) 2015-01-14 2017-10-10 Resinas Olot, S.L. Chair
USD802321S1 (en) 2015-01-14 2017-11-14 Resinas Olot, S.L. Chair
USD772594S1 (en) * 2015-04-10 2016-11-29 B&B Italia S.P.A. Chair
USD771401S1 (en) * 2015-04-10 2016-11-15 B&B Italia S.P.A. Chair
USD996847S1 (en) 2021-08-27 2023-08-29 Houe Aps Chair
USD993654S1 (en) * 2021-11-11 2023-08-01 Houe Aps Chair
USD994368S1 (en) 2022-02-25 2023-08-08 Houe Aps Chair
USD995136S1 (en) 2022-02-25 2023-08-15 Houe Aps Chair
USD1000148S1 (en) 2022-02-25 2023-10-03 Houe Aps Sofa

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Publication number Publication date
FR1431605A (en) 1966-03-11
DE1554046B2 (en) 1976-03-11
AT251236B (en) 1966-12-27
NL6505176A (en) 1965-10-28
DE1554046A1 (en) 1970-11-26
GB1086071A (en) 1967-10-04
BE662867A (en) 1965-08-17
NO118232B (en) 1969-12-01
DK115726B (en) 1969-11-03
CY458A (en) 1968-09-17
CH434610A (en) 1967-04-30
FI43221B (en) 1970-11-02

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