US20220212579A1 - Vehicular seat - Google Patents

Vehicular seat Download PDF

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Publication number
US20220212579A1
US20220212579A1 US17/601,988 US202017601988A US2022212579A1 US 20220212579 A1 US20220212579 A1 US 20220212579A1 US 202017601988 A US202017601988 A US 202017601988A US 2022212579 A1 US2022212579 A1 US 2022212579A1
Authority
US
United States
Prior art keywords
canceled
vehicular seat
seat defined
rigid support
support element
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.)
Abandoned
Application number
US17/601,988
Other languages
English (en)
Inventor
Mark R. Tate
Joseph F. Landis
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.)
Proprietect LP
Original Assignee
Proprietect LP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Proprietect LP filed Critical Proprietect LP
Priority to US17/601,988 priority Critical patent/US20220212579A1/en
Publication of US20220212579A1 publication Critical patent/US20220212579A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2803—Adaptations for seat belts
    • B60N2/2806—Adaptations for seat belts for securing the child seat to the vehicle
    • B60N2/2809—Adaptations for seat belts for securing the child seat to the vehicle with additional tether connected to the top of the child seat and passing above the top of the back-rest
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/26—Anchoring devices secured to the seat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
    • B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
    • B60R2011/0012—Seats or parts thereof
    • B60R2011/0015—Back-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R2022/1806—Anchoring devices for buckles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/26—Anchoring devices secured to the seat
    • B60R2022/266—Rear seats, e.g. benches

Definitions

  • the present invention relates to a vehicular seat. More particularly, the present invention relates to a vehicular seat comprising a back element comprising a rigid foam element.
  • Passenger seats in vehicles, such as automobiles, are typically fabricated from a foam (usually polyurethane) material which is molded into the desired shape and covered with an appropriate trim cover.
  • the foamed material is selected to provide passenger comfort by providing a resilient seat and the trim cover is selected to provide the desired aesthetic properties.
  • prior art vehicular seats typically include a perimeter frame of metal which strengthens the seat. Further, support rails are typically mounted across the metal frame to stiffen the frame and to provide a suitable attachment point for the means used to anchor the seat to the vehicle. Conventionally, the metal frame and/or support rails are substantially completely embedded in the foam material when the seat is molded. In many cases, the metal frame will further comprise a plurality of apertures or other means for attaching a trim cover to the seat.
  • U.S. Pat. Nos. 5,400,490 and 5,542,747 [collectively the Burchi patents], issued Mar. 28, 1995 and Aug. 6, 1996, respectively, describe a passenger seat comprising a frame element molded from relatively high density, rigid foam; vehicle anchorage means connected to the frame element; and a seat body comprising a resilient material fixed with respect to the frame element.
  • the provision of a frame element molded from relatively high density, rigid foam obviates the need for a conventional metal frame.
  • the '490 and '747 patents also teach application of a trim cover to passenger seat.
  • the trim cover may be attached using push pins or a combination of bottom flaps (see FIGS. 3 and 9 in the '490 and '747 patents) with conventional mechanical attachment means (e.g., VelcroTM, J-retainers or push pins).
  • These conventional rear seat backs typically include a metal frame which is secured with respect to resilient foam body which contacts the occupant of the rear seat.
  • the metal frame is coupled the body of the vehicle and/or to the seat bottom portion of the vehicular seat. It is conventional for all vehicles to place child seats in the rear seats and tether those child seats to the exposed seatback in SUVs or hatchback vehicles (e.g., via a clip or other mechanical arrangement). The tether of the child seat is clipped into a (that is connected to the steel frame of the seatback).
  • the present invention provides a vehicular seat comprising a back element, the back element comprising:
  • a rigid support element having coupled thereto an anchor element, the anchor element configured to be detachably coupled to an article;
  • the resilient foam element secured with respect to the rigid support element, the resilient foam element configured to be in contact with the back of an occupant of the vehicular seat.
  • the present inventor has discovered a combination of elements which allows for implementation of the “frameless” seat approach in the above-mentioned Burchi patents without the need of using a metal frame element of the one hand while providing an anchor portion for detachable coupling to an article.
  • this combination of elements results in a vehicular seat which is of light weight construction and, when the article is a child vehicular seat, passes the FMVSS 225 test requirement.
  • the article can be selected from an occupant restraint element, a cargo element and an automotive accessory.
  • an automotive accessory include a vehicular jack; a cargo mesh element; an audio system; a child vehicular seat; a child vehicular seat booster and the like.
  • FIGS. 1 and 2 illustrate a preferred embodiment of a portion of the present vehicular seat
  • FIG. 3 illustrates a top view of a preferred embodiment of the anchor portion used in the present vehicular seat
  • FIG. 4 illustrates a side view of the anchor portion illustrated in FIG. 3 ;
  • FIGS. 5 and 6 illustrate isometric views of the anchor portion illustrated in FIG. 3 ;
  • FIGS. 7 and 8 illustrate testing of a preferred embodiment of the back element of the present vehicular seat.
  • FIG. 9 illustrates the forces applied to the back element in the testing done with reference to FIGS. 7 and 8 .
  • the present invention relates to a vehicular seat comprising a back element, the back element comprising: a rigid support element having coupled thereto an anchor element, the anchor element configured to be detachably coupled to an article; and a resilient foam element secured with respect to the rigid support element, the resilient foam element configured to be in contact with the back of an occupant of the vehicular seat.
  • Preferred embodiments of this vehicular seat may include any one or a combination of any two or more of any of the following features:
  • the present vehicular seat comprises a back element.
  • the back element comprises a rigid support element having coupled thereto an anchor portion.
  • the rigid support element is an engineered board comprising rigid foam core such as a polyurethane foam.
  • rigid foam core such as a polyurethane foam.
  • suitable polyurethane foams for use in producing the rigid foam element are available from Woodbridge Foam Corporation under the tradename StratasTM.
  • the rigid foam core is interposed between a pair of fibrous reinforcing layers secured to major surfaces of the foam core.
  • the polyurethane foam suitable for use in producing the rigid foam element and having the requisite characteristics may be produced from the following general non-limiting formulation (all parts are parts by weight):
  • Component Amount Polymer polyol 100-0 parts Polyol 0-100 parts Crosslinker 0-30 parts/100 parts polyol Catalyst 0.05-3.5 parts/100 parts polyol Silicone surfactants 0-1.5 parts/100 parts polyol Water 0.5-3.5 parts/100 parts polyol Isocyanate Adequate quantity for an index of from about 0.60 to about 1.30 ratio of NCO equivalents of NCO reactive sites
  • Suitable polymer polyols, polyols and isocyanates are described in U.S. Pat. Nos. 3,304,273, 3,383,351, 3,523,093, 3,939,106 and 4,134,610, Belgian patent 788,115, Canadian Patent 785,835 and “Polymer/Polyols, a New Class of Polyurethane Intermediate”, Kuryla, W. C. et al., J. Cellular Plastics, March (1966).
  • Suitable crosslinkers, catalysts and silicone surfactants are described in U.S. Pat. Nos. 4,107,106 and 4,190,712.
  • the preferred foam suitable for use in producing the rigid foam element may produced from the following formulation:
  • Component Amount Polymer polyol 100-20 parts Polyol 0-80 parts Crosslinker 5-15 parts/100 parts polyol Catalyst 0.5-1.2 parts/100 parts polyol Silicone surfactants 0.3-1.1 parts/100 parts polyol Water 1.75-2.75 parts/100 parts polyol Isocyanate Adequate quantity for an index of from about 0.80 to about 1.10 ratio of NCO equivalents of NCO reactive sites.
  • the rigid support element comprises a composite laminate structure which need not necessarily comprise a foam core.
  • a composite laminate structure is commercially available Covestro under the tradename BaypregTM.
  • the present vehicular seat also comprises a resilient foam element secured with respect to the rigid foam element, the resilient foam element configured to be in contact with the back of an occupant of the vehicular seat.
  • the resilient foam element is a polyurethane foam, more preferably as so-called high resilience (HR) polyurethane foam.
  • the foamable polymeric composition comprises a polyurethane derived from a to diphenylmethane diisocyanate (MDI)-based system of low index and of a high molecular weight conventional polyol.
  • MDI to diphenylmethane diisocyanate
  • the polyurethane is a tolylene diisocyanate (TDI)-based system of low index and of a high molecular weight conventional polyol.
  • TDI tolylene diisocyanate
  • liquid foamable polymeric composition may comprise a mixture of MDI-based and TDI-based systems.
  • a preferred combination of the rigid foam element and the resilient foam element is commercially available from Woodbridge Foam Corporation under the tradename StructureLiteTM.
  • the back element of the present vehicular seat further comprises an anchor portion that is configured to be coupled to an articule such as a tether element of a child vehicular seat.
  • an articule such as a tether element of a child vehicular seat.
  • FIGS. 1-2 there is illustrated a rigid foam element 10 .
  • An anchor portion 20 is coupled to rigid foam element 10 in a central portion of the latter.
  • FIG. 2 illustrates an enlarged view from the opposite side of rigid foam element 10 shown in FIG. 1 .
  • anchor portion 20 comprises a crossbar 25 .
  • Crossbar 25 is configured to be coupled to a tether portion of a child vehicular seat (not shown for clarity).
  • Anchor portion 20 is secured to rigid foam element 10 by a series of push pins 30 .
  • FIGS. 3-6 illustrate various views of anchor portion 20 wherein crossbar 25 has been omitted for clarity.
  • anchor portion 20 comprises a body portion 35 for contact with rigid foam element 10 .
  • Anchor portion 20 further comprises a pair of opposed flange portions 40 , 45 which are configured to contact the side of an aperture in rigid foam element 10 that is configured to receive anchor portion 20 .
  • Anchor portion 20 further comprises a top flange portion 50 also configured to contact an aperture in rigid foam element 10 configured to receive anchor portion 20 .
  • Anchor portion 20 further comprises apertures 55 which are configured to receive pushpins 30 to secure anchor portion 20 to rigid foam element 10 .
  • FIGS. 7-8 illustrate a test rig used for testing the embodiment used in FIGS. 1-2 for compliance with (FMVSS 225) regulatory testing).
  • a testing rig mimics the forces applied to the seatback during a frontal crash.
  • the purpose of the test to assess whether a particular combination of rigid foam element and anchor portion can withstand vertically applied load of 17.5 kN for 2 seconds (30 seconds ramp up) where the 17.5 kN load is distributed between 3 anchor points.
  • the force applied to the seatback can be seen schematically in FIG. 9 with reference to arrows A.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)
US17/601,988 2019-04-17 2020-04-16 Vehicular seat Abandoned US20220212579A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US17/601,988 US20220212579A1 (en) 2019-04-17 2020-04-16 Vehicular seat

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962835283P 2019-04-17 2019-04-17
PCT/CA2020/050508 WO2020210908A1 (fr) 2019-04-17 2020-04-16 Siège de véhicule
US17/601,988 US20220212579A1 (en) 2019-04-17 2020-04-16 Vehicular seat

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2020/050508 A-371-Of-International WO2020210908A1 (fr) 2019-04-17 2020-04-16 Siège de véhicule

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US18/384,155 Continuation US20240051446A1 (en) 2019-04-17 2023-10-26 Vehicular Seat

Publications (1)

Publication Number Publication Date
US20220212579A1 true US20220212579A1 (en) 2022-07-07

Family

ID=72836766

Family Applications (2)

Application Number Title Priority Date Filing Date
US17/601,988 Abandoned US20220212579A1 (en) 2019-04-17 2020-04-16 Vehicular seat
US18/384,155 Pending US20240051446A1 (en) 2019-04-17 2023-10-26 Vehicular Seat

Family Applications After (1)

Application Number Title Priority Date Filing Date
US18/384,155 Pending US20240051446A1 (en) 2019-04-17 2023-10-26 Vehicular Seat

Country Status (4)

Country Link
US (2) US20220212579A1 (fr)
CN (1) CN113710535A (fr)
CA (1) CA3136680A1 (fr)
WO (1) WO2020210908A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220371492A1 (en) * 2019-10-07 2022-11-24 Covestro Intellectual Property Gmbh & Co. Kg Vehicle seat containing fiber composite material and expanded thermoplastics
US20240017649A1 (en) * 2022-07-14 2024-01-18 Ford Global Technologies, Llc Child seat anchor including energy absorber

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095604A (en) * 1999-09-28 2000-08-01 Daimlerchrysler Corporation Child seat mounting system
JP2001122005A (ja) * 1999-08-19 2001-05-08 Hino Motors Ltd 車両用シート
FR2868023A1 (fr) * 2004-03-26 2005-09-30 Faurecia Sieges Automobile Dossier de siege de vehicule adapte pour permettre la fixation d'un siege pour enfant et siege de vehicule comprenant un tel dossier
US6959954B2 (en) * 2002-10-29 2005-11-01 Intier Automotive Inc. Vehicle trim component with self retaining fastening device
US8096621B2 (en) * 2008-06-12 2012-01-17 Milsco Manufacturing Company Vehicle seat assembly
DE102011087054A1 (de) * 2011-11-24 2013-05-29 Bayerische Motoren Werke Aktiengesellschaft Fahrzeugsitz, insbesondere für ein Kraftfahrzeug
CN103724965A (zh) * 2013-12-09 2014-04-16 天津金发新材料有限公司 一种低气味、低散发玻纤增强pc/abs复合材料及其制备方法
WO2015159960A1 (fr) * 2014-04-18 2015-10-22 テイ・エス テック株式会社 Support d'ancre d'attache
US20150321591A1 (en) * 2014-05-09 2015-11-12 GM Global Technology Operations LLC Method for producing a seat backrest structure of a vehicle seat
DE102017106551A1 (de) * 2016-06-07 2017-12-07 Suzuki Motor Corporation Fahrzeugsitzlehnenwandstruktur
US10220790B2 (en) * 2017-01-26 2019-03-05 Ford Global Technologies, Llc Pivoting hanger with positive retention
CN110293886A (zh) * 2019-06-26 2019-10-01 重庆长安汽车股份有限公司 一种整体式汽车座椅靠背结构
US20200331401A1 (en) * 2019-04-19 2020-10-22 Ford Global Technologies, Llc Apparatus and method of securing an item for transport in a vehicle
WO2021005141A1 (fr) * 2019-07-11 2021-01-14 Sabic Global Technologies B.V. Structure de siège hybride et véhicule la comportant
US20220105882A1 (en) * 2020-10-05 2022-04-07 Toyota Boshoku America, Inc. Top tether bezel

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US5400490A (en) * 1993-02-26 1995-03-28 Woodbridge Foam Corporation Method of molding a seat having anchoring means connected thereto
US5415457A (en) * 1994-05-27 1995-05-16 Chrysler Corporation Item supporting attachment on a vehicle seat back
US5989699A (en) * 1997-12-01 1999-11-23 Woodbridge Foam Corporation Foam composite material comprising a first foam having an uncontoured surface, and a second, different foam fixed to the first foam at its uncontoured surface
JP2004538095A (ja) * 2001-08-15 2004-12-24 ダウ グローバル テクノロジーズ インコーポレイティド 改良型座席システム
US8128174B2 (en) * 2006-01-31 2012-03-06 Lear Corporation Pocketed molded vehicle backrest
WO2008121754A1 (fr) * 2007-03-30 2008-10-09 Dow Global Technologies, Inc. Système de siège de véhicule renforcé de mousse
US8287040B2 (en) * 2008-08-01 2012-10-16 Proprietect Lp Vehicular seat system and vehicular headrest
US9676304B2 (en) * 2014-11-25 2017-06-13 Ford Global Technologies, Llc Vehicle seat with ramp for facilitating ISO fix child seat installation
CA2977551C (fr) * 2015-02-27 2020-09-01 Proprietect L.P. Element de siege de vehicule
US9821686B2 (en) * 2015-03-06 2017-11-21 Ford Global Technologies, Llc Enhanced fixed anchor accessibility for child safety seat anchors in a vehicle
US20210229626A1 (en) * 2020-01-29 2021-07-29 GM Global Technology Operations LLC Anchor attachment detection sensors
JP2023104579A (ja) * 2022-01-18 2023-07-28 トヨタ紡織株式会社 乗物用シート

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001122005A (ja) * 1999-08-19 2001-05-08 Hino Motors Ltd 車両用シート
US6095604A (en) * 1999-09-28 2000-08-01 Daimlerchrysler Corporation Child seat mounting system
US6959954B2 (en) * 2002-10-29 2005-11-01 Intier Automotive Inc. Vehicle trim component with self retaining fastening device
FR2868023A1 (fr) * 2004-03-26 2005-09-30 Faurecia Sieges Automobile Dossier de siege de vehicule adapte pour permettre la fixation d'un siege pour enfant et siege de vehicule comprenant un tel dossier
US8096621B2 (en) * 2008-06-12 2012-01-17 Milsco Manufacturing Company Vehicle seat assembly
DE102011087054A1 (de) * 2011-11-24 2013-05-29 Bayerische Motoren Werke Aktiengesellschaft Fahrzeugsitz, insbesondere für ein Kraftfahrzeug
CN103724965A (zh) * 2013-12-09 2014-04-16 天津金发新材料有限公司 一种低气味、低散发玻纤增强pc/abs复合材料及其制备方法
WO2015159960A1 (fr) * 2014-04-18 2015-10-22 テイ・エス テック株式会社 Support d'ancre d'attache
US20150321591A1 (en) * 2014-05-09 2015-11-12 GM Global Technology Operations LLC Method for producing a seat backrest structure of a vehicle seat
DE102017106551A1 (de) * 2016-06-07 2017-12-07 Suzuki Motor Corporation Fahrzeugsitzlehnenwandstruktur
US10220790B2 (en) * 2017-01-26 2019-03-05 Ford Global Technologies, Llc Pivoting hanger with positive retention
US20200331401A1 (en) * 2019-04-19 2020-10-22 Ford Global Technologies, Llc Apparatus and method of securing an item for transport in a vehicle
CN110293886A (zh) * 2019-06-26 2019-10-01 重庆长安汽车股份有限公司 一种整体式汽车座椅靠背结构
WO2021005141A1 (fr) * 2019-07-11 2021-01-14 Sabic Global Technologies B.V. Structure de siège hybride et véhicule la comportant
US20220105882A1 (en) * 2020-10-05 2022-04-07 Toyota Boshoku America, Inc. Top tether bezel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220371492A1 (en) * 2019-10-07 2022-11-24 Covestro Intellectual Property Gmbh & Co. Kg Vehicle seat containing fiber composite material and expanded thermoplastics
US20240017649A1 (en) * 2022-07-14 2024-01-18 Ford Global Technologies, Llc Child seat anchor including energy absorber
US12012020B2 (en) * 2022-07-14 2024-06-18 Ford Global Technologies, Llc Child seat anchor including energy absorber

Also Published As

Publication number Publication date
CA3136680A1 (fr) 2020-10-22
CN113710535A (zh) 2021-11-26
US20240051446A1 (en) 2024-02-15
WO2020210908A1 (fr) 2020-10-22

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