US3720966A - Spring upholstery cushioning - Google Patents

Spring upholstery cushioning Download PDF

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Publication number
US3720966A
US3720966A US00185508A US18550871A US3720966A US 3720966 A US3720966 A US 3720966A US 00185508 A US00185508 A US 00185508A US 18550871 A US18550871 A US 18550871A US 3720966 A US3720966 A US 3720966A
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United States
Prior art keywords
spring
pods
web
cushioning
resilient
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
US00185508A
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English (en)
Inventor
M Zysman
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Individual
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Individual
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Filing date
Publication date
Priority claimed from US30890A external-priority patent/US3633228A/en
Application filed by Individual filed Critical Individual
Priority to US00185508A priority Critical patent/US3720966A/en
Application granted granted Critical
Publication of US3720966A publication Critical patent/US3720966A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/18—Seat parts having foamed material included in cushioning part
    • A47C7/20—Seat parts having foamed material included in cushioning part with reinforcement in the foam layer
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/063—Spring inlays wrapped or otherwise protected
    • A47C27/064—Pocketed springs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/144—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities inside the mattress or cushion
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/20—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with springs moulded in, or situated in cavities or openings in foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G11/00—Finished upholstery not provided for in other classes
    • B68G11/04—Finished upholstery not provided for in other classes mainly composed of resilient materials, e.g. of foam rubber
    • B68G11/06—Finished upholstery not provided for in other classes mainly composed of resilient materials, e.g. of foam rubber with embedded springs, e.g. bonded
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S297/00—Chairs and seats
    • Y10S297/02—Molded

Definitions

  • SPRING UPHOLSTERY ASSEMBLY and the present invention relates to SPRING UPHOLSTERY CUSHIONING which is of the same general type as that disclosed in the parent application aforesaid but which is particularly suitable for upholstering furniture of sinuous form such as is sometimes incorporated in the seats, backs or sides of settees, chairs, sofas, lounges, and like type of sitting or reclining furniture.
  • Prior art spring upholstery assemblies as used, for example, by the bedding industry in the production of mattresses and by the furniture industry in the uphol stery of furniture have included interconnected coil spring assemblies wherein adjacent springs have been connected adjacent their ends and/or intermediate thereof by stringers or hog rings and have also included what have become known as pocketed springs. In some pocketed spring assemblies adjacent springs have not been connected together by the conventional hog rings as aforesaid but have only been interconnected by interstitching between adjacent fabric pockets within which the individual springs were located;
  • a pocketed spring assembly generally seeks to provide a structure wherein any one spring, or group of adjacent springs, may be deformed in compression without unduly disturbing adjacent uncompressed springs of the assembly.
  • the inherent spring characteristics may, in fact, be modified by the encapsulating material subject to the selection of a material with appropriate characteristics, such as density, for example;
  • spring cushioning including a plurality of coil springs located in side-by-side co-planar relationship; each spring being encapsulated in a foamed elastomeric material by which it is also linked with adjacent springs; one end of each spring being thus linked to its neighbors while its other end is freed for independent movement relative to the ends of adjacent springs.
  • each spring becomes part of a resilient podl which is preferably tapered with a widened zone at one of its ends by which it is interconnected to and with adjacent pods and it is also preferred that the interior of each encapsulated spring or pod be hollow. Furthermore, it is preferred that the complete encapsulated spring assembly be cast or molded as a unit from a foam plastic material such as flexible urethane.
  • FIG. 1 is a partly sectioned top plan view of cushioning incorporating the spring upholstery assembly of the invention
  • FIG. 2 is a side elevational view, partly in section, of a row of encapsulated springs of the instant spring assembly
  • FIG. 3 is a side elevation, partly in section, of the instant spring assembly in sinuous form such as it might assume in use on a contoured chair of a well known type.
  • Spring cushioning in accordance with the invention may take the form illustrated herein in the accompanying drawings wherein the desired resilience and support is primarily imparted thereto by a plurality of side-byside metal coil springs 10 respectively encapsulated in a resilient elastomeric material 12 which pockets the springs in pods P and which are resiliently interconnected together as by web 14 in such manner as to support one another and whereby each pod P and the spring 10 contained thereby may :act substantially independently of its or their immediate neighbors.
  • the pods P or their equivalents are interconnected by their intermediate portions so that their ends are freed for independent movement on each side i.e., the top and bottom of the resulting spring assembly.
  • the web 14 interconnects the co-planar spring ends on only one side of the spring cushioning as shown in the drawing.
  • the elastomeric material 12 which is preferably a flexible foamed urethane, may be of such low density that, despite the encapsulation of the springs 10, it will not significantly affect or contribute to the actual spring action. That is to say, the inherent characteristics of the springs 10 may be substantially unimpaired by the encapsulating material 12 of p'ods P but, since it is expedient that the resilient web 14 be comprised of the same encapsulating material so as to be integral therewith, it should be realized that the said material must be of sufficient density to maintain the podded springs 10 in side-by-side relation to their desired upstanding position relative to one another.
  • springs 10 illustrated herein may be chosen to be heavy duty springs (as represented at 10a in the drawing) whereby the resilience of each pocketed spring is stiffened providing a firmer support as compared with the lighter gauge springs illustrated at 10.
  • each spring acts independently of its neighbors in the general manner of a pocketed spring of the prior art by virtue of the fact that adjacent pods P are interconnected by their co-planar ends only thus denying these ends the free independent movement which is retained by their other ends which are unattached and, hence, free to move.
  • Such independent action as aforesaid is obtained, in the embodiment illustrated herein,'by encapsulating each spring to form a pod P of truncated cone shape with its widest diameter integrated with web 14; there being no further interconnection between pods P although the height or thickness of web 14 between adjacent pods P may also be varied as shown in the drawing to influence the resilience of the latter.
  • FIG. 2 At the right-hand end of FIG. 2 there is shown a somewhat modified construction of the cushioning wherein an integral base B of foamed elastomeric material is formed integrally with the pods P; closing off the bottom of the interior pods or spring cavity C.
  • Such construction is of great advantage in a contoured upholstery situation as in FIG. 3 which contemplates the use of the instant cushioning in a chair or lounge having a sinuous seat and back portion wherein the base B of the cushioning is installed upon the rigid sinuous support S and conformed to the contour thereof.
  • the individual springs 10 and pods P tend to spread away from one another at the convex bend in the cushioning at the left-hand end of this view while closing towards one another at the concave bend at the right-hand end thereof; the resilient elements, namely, the encapsulated springs 10, being effectively hinged on the web 14 and base B, thus enabling the valleys between adjacent conoid resilient elements respectively to narrow and widen as required to impart the rounded contour to the cushion assembly illustrated in FIG. 3.
  • the pods P have a high density i.e., they are spaced very close to each otherin accordance with superior practices. Their density, or spring count as it is known in the trade, may, however, be reduced for the sake of economy, for example, as is done with ordinary springs in the prior art.
  • the specific taper imparted to the respective pods P is also variable in direct proportion to the spring count. That is to say, when the count is high, the pods P are necessarily closer together in the cushioning and appropriately tapered to afford the pods sufficient room for independent movement. Conversely, when the springs are more sparse, they are spaced further apart and hence free to move with little or virtually no taper.
  • the spring cushioning may also include a top pad T which may be formed of a foamed elastomeric material similar to the investing material 12 and is bonded to the free ends of the pods P after the assembly has been manufactured; it being obvious that the top pad T need not detract from the independent action of the free spring ends as contemplated by the invention since it may be formed of an extremely low density foam and, hence, stretchable to minimize restraint on the mobility of the free spring ends as contemplated by the invention.
  • a top pad T may be formed of a foamed elastomeric material similar to the investing material 12 and is bonded to the free ends of the pods P after the assembly has been manufactured; it being obvious that the top pad T need not detract from the independent action of the free spring ends as contemplated by the invention since it may be formed of an extremely low density foam and, hence, stretchable to minimize restraint on the mobility of the free spring ends as contemplated by the invention.
  • each spring 10 be fully supported by its pod P for which purpose it is expedient that each spring 10 be completely invested by the pod material 12 from one of its ends to the other.
  • the said material 12 should also enter between the convolutions of spring 10 and encapsulate them both internally and externally of cavity C.
  • the pods P and the web 14 which interconnects them thus provide an armature for a plurality of springs 10, holding them in spaced apart, cushion, formation in a manner which endows each said spring 10 with the freedom to function independently of the others to a limited but sufiicient extent.
  • the material 12 which forms pods P and web 14 may be made more or less dense and may also be proportioned according to the degree, if any, to which it is required to modify the inherent resilience of the associated springs 10. In appropriate instances as shown in FIG. 3, the same material may also form a lower pad or base B for the cushioning comprised of pods P.
  • the invention thus discloses spring cushioning with all of the fundamental advantages of pocketed springs plus the further advantages of a construction which is not only simple and versatile but provides better upholstery for furniture of the described type which is ordinarily quite difficult to upholster.
  • Spring cushioning including:
  • a pod of resilient material investing each said spring from one end to the other thereof and forming therewith an integrated resilient element which is hollow over a major portion of its height, at least, and
  • said resilient ele ments being shaped to permit such movement and the resilience of the investment being insufficient to prevent compression of said free pod ends independently of one another under normal load but being sufficient nevertheless to resist deflection of said pod ends out of the erect side-by-side relation aforesaid under said normal load.
  • said resilient elements are tapered providing widened zones below their tops and valleys therebetween; said resilient elements being interconnected with said resilient web by their widest zones.
  • said web is integral with said pods
  • said web and pods being formed of an elastomer.
  • said pods and web being formed of an elastomer.
  • said pods and web being formed of polyurethane foam.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Springs (AREA)
US00185508A 1970-04-22 1971-10-01 Spring upholstery cushioning Expired - Lifetime US3720966A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US00185508A US3720966A (en) 1970-04-22 1971-10-01 Spring upholstery cushioning

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US30890A US3633228A (en) 1969-05-30 1970-04-22 Spring upholstery assembly
NZ16190670 1970-11-03
US00185508A US3720966A (en) 1970-04-22 1971-10-01 Spring upholstery cushioning

Publications (1)

Publication Number Publication Date
US3720966A true US3720966A (en) 1973-03-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
US00185508A Expired - Lifetime US3720966A (en) 1970-04-22 1971-10-01 Spring upholstery cushioning

Country Status (10)

Country Link
US (1) US3720966A (fr)
AU (1) AU463056B2 (fr)
CA (1) CA934888A (fr)
DE (1) DE2154410C3 (fr)
ES (1) ES396481A2 (fr)
FR (1) FR2113407A6 (fr)
GB (1) GB1355530A (fr)
IT (1) IT969051B (fr)
NL (1) NL7114951A (fr)
SE (1) SE372699B (fr)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122568A (en) * 1977-06-10 1978-10-31 Bastos Jose R R Mattress of the hard surface type
US4862540A (en) * 1982-10-06 1989-09-05 Auping B.V. Resilient body
US5885407A (en) * 1996-04-29 1999-03-23 Mossbeck; Niels S. Method and apparatus for forming pocket spring coil mattresses
US7120956B1 (en) * 2005-06-20 2006-10-17 Hsiu-Chen Liao Combination mattress
US20090217457A1 (en) * 2007-02-16 2009-09-03 Roho, Inc. Molded seat cushion with internal shape matching ischial structures
EP2114212A2 (fr) * 2007-02-16 2009-11-11 Robert H. Graebe Coussinet d'adaptation de forme
US20100090383A1 (en) * 2006-08-29 2010-04-15 Rawls-Meehan Martin B Distinguishing different firmness foam springs and alternatives for foam spring end caps
US7865989B2 (en) 2006-05-30 2011-01-11 Metzeler Schaum Gmbh Spring element unit for a padding element, particularly a mattress
US9510690B2 (en) 2006-08-29 2016-12-06 Ascion, Llc Foam spring mattress configured with variable firmness
CN107518675A (zh) * 2017-09-22 2017-12-29 广州市联柔机械设备有限公司 一种相互支撑型袋装弹簧床芯
US20180017354A1 (en) * 2016-07-08 2018-01-18 Bryce L. Betteridge Impact Absorbing Padding System with Elastomeric Sub-surface Structure
US20190142179A1 (en) * 2017-11-15 2019-05-16 Starsprings Ab Pocket mattress comprising openings in the casing material
USD850986S1 (en) * 2016-09-16 2019-06-11 Roger Thomas Mascull Set of contouring units for postural support
USD860067S1 (en) * 2016-03-30 2019-09-17 Roger Thomas Mascull Set of contouring units
EP3277130B1 (fr) * 2015-04-03 2021-04-28 Mammoth Sport Limited Un matelas avec une couche de régulation de pression
US20220175601A1 (en) * 2019-08-02 2022-06-09 The Regents Of The University Of California Multi-stable compliant-mechanism mattress for bed sore prevention
USD969036S1 (en) * 2015-09-30 2022-11-08 Roger Thomas Mascull Set of contouring units

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4303089C2 (de) * 1993-02-04 1996-04-18 Spintex Ag Verfahren und Vorrichtung zur Herstellung von Taschenfederkernmatratzen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2651058A (en) * 1949-04-19 1953-09-08 Almoslino Hans Arnold Portable body-supporting assemblage
US3467972A (en) * 1966-07-12 1969-09-23 Jose De Aruajo Bastos Mattresses
US3633228A (en) * 1969-05-30 1972-01-11 Foamcoil Services Sa Spring upholstery assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2651058A (en) * 1949-04-19 1953-09-08 Almoslino Hans Arnold Portable body-supporting assemblage
US3467972A (en) * 1966-07-12 1969-09-23 Jose De Aruajo Bastos Mattresses
US3633228A (en) * 1969-05-30 1972-01-11 Foamcoil Services Sa Spring upholstery assembly

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122568A (en) * 1977-06-10 1978-10-31 Bastos Jose R R Mattress of the hard surface type
US4862540A (en) * 1982-10-06 1989-09-05 Auping B.V. Resilient body
US5885407A (en) * 1996-04-29 1999-03-23 Mossbeck; Niels S. Method and apparatus for forming pocket spring coil mattresses
US7120956B1 (en) * 2005-06-20 2006-10-17 Hsiu-Chen Liao Combination mattress
US7865989B2 (en) 2006-05-30 2011-01-11 Metzeler Schaum Gmbh Spring element unit for a padding element, particularly a mattress
US8099812B2 (en) 2006-05-30 2012-01-24 Metzeler Schaum Gmbh Spring element unit for a padding element, particularly a matress
US20100090383A1 (en) * 2006-08-29 2010-04-15 Rawls-Meehan Martin B Distinguishing different firmness foam springs and alternatives for foam spring end caps
US9307843B2 (en) 2006-08-29 2016-04-12 Ascion, Llc Foam spring mattress configured with variable firmness
US9510690B2 (en) 2006-08-29 2016-12-06 Ascion, Llc Foam spring mattress configured with variable firmness
US9504333B2 (en) 2006-08-29 2016-11-29 Ascion, Llc Foam spring mattress configured with variable firmness
US9820582B2 (en) 2006-08-29 2017-11-21 Ascion, Llc Foam spring mattress configured with variable firmness
US9003584B2 (en) 2006-08-29 2015-04-14 Hsiu Chen Liao Foam spring mattress with replaceable foam springs
US9066497B2 (en) 2006-08-29 2015-06-30 Ascion, Llc Foam spring mattress configured with variable firmness
US9072277B2 (en) 2006-08-29 2015-07-07 Hsiu Chen Liao Adjustable mattress with interchangeable foam springs
EP2114212A4 (fr) * 2007-02-16 2011-06-15 Robert H Graebe Coussinet d'adaptation de forme
EP2114212A2 (fr) * 2007-02-16 2009-11-11 Robert H. Graebe Coussinet d'adaptation de forme
US20090217457A1 (en) * 2007-02-16 2009-09-03 Roho, Inc. Molded seat cushion with internal shape matching ischial structures
US8011043B2 (en) 2007-02-16 2011-09-06 Roho, Inc. Molded seat cushion with internal shape matching ischial structures
EP3277130B1 (fr) * 2015-04-03 2021-04-28 Mammoth Sport Limited Un matelas avec une couche de régulation de pression
USD969036S1 (en) * 2015-09-30 2022-11-08 Roger Thomas Mascull Set of contouring units
USD860067S1 (en) * 2016-03-30 2019-09-17 Roger Thomas Mascull Set of contouring units
US20180017354A1 (en) * 2016-07-08 2018-01-18 Bryce L. Betteridge Impact Absorbing Padding System with Elastomeric Sub-surface Structure
US20200386509A1 (en) * 2016-07-08 2020-12-10 Bryce L. Betteridge Impact Absorbing Padding System with Elastomeric Sub-surface Structure
US10907930B2 (en) * 2016-07-08 2021-02-02 Bryce L. Betteridge Impact absorbing padding system with elastomeric sub-surface structure
USD850986S1 (en) * 2016-09-16 2019-06-11 Roger Thomas Mascull Set of contouring units for postural support
CN107518675B (zh) * 2017-09-22 2020-11-17 广州市联柔机械设备有限公司 一种相互支撑型袋装弹簧床芯
WO2019056704A1 (fr) * 2017-09-22 2019-03-28 广州市联柔机械设备有限公司 Noyau de lit à ressorts ensachés de type à support réciproque
CN107518675A (zh) * 2017-09-22 2017-12-29 广州市联柔机械设备有限公司 一种相互支撑型袋装弹簧床芯
US20190142179A1 (en) * 2017-11-15 2019-05-16 Starsprings Ab Pocket mattress comprising openings in the casing material
US10973340B2 (en) * 2017-11-15 2021-04-13 Starsprings Ab Pocket mattress comprising openings in the casing material
US20220175601A1 (en) * 2019-08-02 2022-06-09 The Regents Of The University Of California Multi-stable compliant-mechanism mattress for bed sore prevention
US12016811B2 (en) * 2019-08-02 2024-06-25 The Regents Of The University Of California Multi-stable compliant-mechanism mattress for bed sore prevention

Also Published As

Publication number Publication date
DE2154410C3 (de) 1978-09-28
AU463056B2 (en) 1975-07-17
DE2154410A1 (de) 1972-05-10
GB1355530A (en) 1974-06-05
FR2113407A6 (fr) 1972-06-23
DE2154410B2 (de) 1978-01-26
IT969051B (it) 1974-03-30
AU3520771A (en) 1973-06-21
ES396481A2 (es) 1974-05-16
SE372699B (fr) 1975-01-13
NL7114951A (fr) 1972-05-05
CA934888A (en) 1973-10-02

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