JP2008523854A - Seat back of a car seat with air supply device - Google Patents

Seat back of a car seat with air supply device Download PDF

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Publication number
JP2008523854A
JP2008523854A JP2007545869A JP2007545869A JP2008523854A JP 2008523854 A JP2008523854 A JP 2008523854A JP 2007545869 A JP2007545869 A JP 2007545869A JP 2007545869 A JP2007545869 A JP 2007545869A JP 2008523854 A JP2008523854 A JP 2008523854A
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Prior art keywords
seat back
housing
air supply
supply device
panel member
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JP2007545869A
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Japanese (ja)
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ゲルハルト・フローリー
カール・プファーラー
ローター・レナー
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Mercedes Benz Group AG
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Daimler AG
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    • 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
    • B60N2/56—Heating or ventilating devices
    • B60N2/5607—Heating or ventilating devices characterised by convection
    • B60N2/5621—Heating or ventilating devices characterised by convection by air
    • B60N2/5657—Heating or ventilating devices characterised by convection by air blown towards the seat surface
    • 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
    • B60N2/56—Heating or ventilating devices
    • B60N2/5607—Heating or ventilating devices characterised by convection
    • B60N2/5621—Heating or ventilating devices characterised by convection by air
    • 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
    • B60N2/58—Seat coverings

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

本発明は、後側が平面的なパネル部材（１２）によって覆われ、かつシート乗員の頭部、肩及び首領域に空気流を供給するための空気供給装置（１６）が内蔵された自動車の座席のシートバック（１０）に関する。前記空気供給装置（１６）は、ハウジング（３０）を備える。空気供給装置（１６）がスペースをとらずに配置され、シートバック（１０）内に簡単に組み立てることができるように、ハウジング（３０）は、少なくとも２つのハウジング部分（３６、４６）で構成され、その１つ（３６、４６）が、シートバック（１０）のパネル部材（１２）によって直接支持される。  The present invention relates to an automobile seat in which an air supply device (16) for supplying an air flow to the head, shoulder and neck regions of a seat occupant is incorporated, with the rear side covered by a flat panel member (12). This relates to the seat back (10). The air supply device (16) includes a housing (30). The housing (30) is composed of at least two housing parts (36, 46) so that the air supply device (16) can be arranged without taking up space and can be easily assembled in the seat back (10). One (36, 46) is directly supported by the panel member (12) of the seat back (10).

Description

本発明は、請求項１の前段に記載のタイプの自動車の座席のシートバックに関する。   The present invention relates to a seat back of an automobile seat of the type described in the first part of claim 1.

特許文献１に、シートバックを有する自動車の座席が既に開示されており、このシートバックは、後側が平面的なプラスチック成形品によって裏打ちされていて、シート乗員の頭部、肩及び首領域に好ましくは温風を供給するための空気供給装置がシートバックに一体化される。この場合、空気供給装置はハウジングを備え、それにより温風を座席の下部領域からヘッドレストの前側の空気吹出口の所まで運ぶことができる。   Patent document 1 has already disclosed a seat of an automobile having a seat back, and this seat back is backed by a flat plastic molding, and is preferably applied to the head, shoulder and neck regions of a seat occupant. An air supply device for supplying warm air is integrated with the seat back. In this case, the air supply device comprises a housing so that warm air can be carried from the lower area of the seat to the air outlet on the front side of the headrest.

独国特許発明第１００ ５４ ０１０Ｃ１号明細書German Patent Invention No. 100 54 010C1

本発明の目的は、空気供給装置とそのハウジングを単純な方法で組み立てることができ、簡単にシートバックに一体化できる、冒頭に述べたタイプのシートバックを提供することである。   The object of the present invention is to provide a seat back of the type mentioned at the outset, in which the air supply device and its housing can be assembled in a simple manner and can be easily integrated into the seat back.

この目的は、本発明による請求項１の特徴を有するシートバックによって達成される。本発明の好適な発展形態を伴う有利な実施形態は、他の特許請求項において説明される。   This object is achieved by a seat back having the features of claim 1 according to the invention. Advantageous embodiments with preferred developments of the invention are described in the other claims.

本発明によるシートバックの場合には、空気供給装置のハウジングは、少なくとも２つのハウジング部分から形成され、それらは組み合わせることができ、かつその１つはシートバックの後部パネル部材によって直接支持される。これによって、空気供給装置のハウジング又はハウジング部分は、空気供給装置の対応する構成要素に単純な方法で装備されることができ、少なくとも２つのハウジング部分が組み合わせられ、その後空気供給装置の組み立てられたハウジングが全体的にシートバックのパネル部材によって支持される。その結果、空気供給装置のハウジング全体をシートバックの後部パネル部材に固定でき、かつ、それとは無関係に、シートバックの他の部分−例えばシートバックフレーム、いす張り及びシートカバー−を組み立てることができる。シートバックと後部パネル部材の組み立ては、空気供給装置のハウジングを含めて、製造の点において実現するのが非常に簡単である。さらに、空気供給装置の少なくとも１つのハウジング部分をパネル部材へ取り付けることによって、特に空気供給装置がシートバック内にスペースをとらずに配置され、それゆえシートバッククッションをハウジングの前の領域において比較的深くすることができる。   In the case of the seat back according to the invention, the housing of the air supply device is formed from at least two housing parts, which can be combined, one of which is directly supported by the rear panel member of the seat back. Thereby, the housing or the housing part of the air supply device can be mounted in a simple manner on the corresponding components of the air supply device, the at least two housing parts being combined and then the assembled air supply device The housing is entirely supported by the seat back panel member. As a result, the entire housing of the air supply device can be secured to the rear panel member of the seatback and other parts of the seatback can be assembled independently, such as the seatback frame, chair and seat cover. . The assembly of the seat back and the rear panel member, including the housing of the air supply device, is very simple to realize in terms of manufacturing. Furthermore, by attaching at least one housing part of the air supply device to the panel member, in particular the air supply device is arranged without taking up space in the seat back, so that the seat back cushion can be moved relatively in the area in front of the housing. Can be deep.

パネル部材及び空気供給装置の対応するハウジング部分を一体的に構成することが特に有利であることがわかった。この構成によってパネル部材の壁部を対応するハウジング部分の壁部として同時に使用可能となる。パネル部材又は一体的なハウジング部分は好ましくはプラスチックから形成される。   It has proved particularly advantageous to integrally form the panel member and the corresponding housing part of the air supply device. With this configuration, the wall portion of the panel member can be used simultaneously as the wall portion of the corresponding housing portion. The panel member or integral housing part is preferably formed from plastic.

さらに、空気供給装置の少なくともさらなるハウジング部分が、シートバックのパネル部材に配置されるハウジング部分に解放可能な接続によって固定されることが有利であることが分かった。特に、クリップ接続又はスナップ接続が解放可能な接続として考えられる。   Furthermore, it has been found to be advantageous for at least a further housing part of the air supply device to be secured by a releasable connection to a housing part arranged on the seat back panel member. In particular, clip connections or snap connections can be considered as releasable connections.

少なくとも２つのハウジング部分を組み立てる前に、ハウジングは、例えば、空気供給装置のファン又は加熱素子等の構成要素を取り付けることができる。これらの構成要素は、さらなるハウジング部分がシートバックのパネル部材に配置されたハウジング部分と組み合わされる前に、好ましくはこのさらなるハウジング部分に予め取り付けられる。２つのハウジング部分は好ましくは振動に関して適切な手段によって互いに切り離されるので、ファンによって生じた振動がシートバックのパネル部材に伝わらない。   Prior to assembling the at least two housing parts, the housing may be fitted with components such as, for example, a fan or heating element of an air supply. These components are preferably pre-attached to the further housing part before it is combined with the housing part located on the seat back panel member. The two housing parts are preferably separated from each other by means suitable for vibration so that the vibrations caused by the fan are not transmitted to the seat back panel member.

本発明のさらなる利点、特徴及び詳細は、下記の好ましい例示された実施形態の説明及び図面を参照して明らかになる。   Further advantages, features and details of the present invention will become apparent with reference to the following description of preferred exemplary embodiments and drawings.

図１ａ及び１ｂは、自動車の座席のシートバック１０をそれぞれ概略斜視前面図及び概略側面図で示す。図１ａにおいては、シートバック１０の前に本質的に平面的なパネル部材１２（下記で詳細に説明する）、ヘッドレスト１４及びシートバッククッション１５が示されている。自動車の座席はここでは、ヘッドレスト１４がシートバック１０の前に配置され、それと重なり合っている一体シートとして設計される。ヘッドレスト１４は、案内手段（図示せず）によってシートバック１０に対して高さの調節が可能である。シートバック１０には、基本的な構成要素として空気供給装置１６の下端にファン１８（概略的に示す）と、ファン１８の上に配置されたエアダクト２０とを備える空気供給装置１６が配置される。エアダクト２０内の、ファン１８から少し離れた上側であって、その送出側に加熱素子２２（図１ａにおいては単に点線で示される）が設けられる。この加熱素子をファン１８によって生じた空気流を加熱するために使用することができる。垂直的に延びるエアダクト２０は、上端においてＬ字形に前方に向けて曲げられ、ヘッドレスト１４の前側２６にある空気吐出口２４において終端する。エアダクト２０は、ファン１８のハウジング２８と組み合わされて空気供給装置１６のハウジング３０（下記で詳細に説明する）を形成する。さらに、シートバック１０の中央面領域におけるシートバッククッション１５の側面形状は、図１ｂの側面図において点線で示す。この図からさらに、空気供給装置１６又はそのハウジング３０（エアダクト２０とファン１８のハウジング２８とを含む）の全体がシートバック１０内に配置され、外側からは空気吐出口２４のみが見えることが分かる。さらに、シートバック１０の後側に固定された平面的なパネル部材１２が、シートバッククッション１５に接続部３２の領域において接していることが分かる。ここではパネル部材１２は熱可塑性樹脂で製造されているが、当然ながら、他のプラスチック又は金属シート等も同様に考えられる。   1a and 1b show a seat back 10 of a car seat in schematic perspective front view and schematic side view, respectively. In FIG. 1 a, an essentially planar panel member 12 (described in detail below), a headrest 14 and a seat back cushion 15 are shown in front of the seat back 10. The seat of the motor vehicle is here designed as an integral seat in which the headrest 14 is arranged in front of the seat back 10 and overlaps it. The height of the headrest 14 can be adjusted with respect to the seat back 10 by guide means (not shown). The seat back 10 includes an air supply device 16 including a fan 18 (shown schematically) and an air duct 20 disposed on the fan 18 at the lower end of the air supply device 16 as basic components. . A heating element 22 (indicated simply by a dotted line in FIG. 1a) is provided in the air duct 20 on the delivery side slightly above the fan 18 and on its delivery side. This heating element can be used to heat the air flow generated by the fan 18. The vertically extending air duct 20 is bent forward in an L shape at the upper end and terminates at an air outlet 24 on the front side 26 of the headrest 14. The air duct 20 is combined with the housing 28 of the fan 18 to form a housing 30 (described in detail below) of the air supply device 16. Furthermore, the side shape of the seat back cushion 15 in the central surface region of the seat back 10 is indicated by a dotted line in the side view of FIG. Further, it can be seen from this figure that the entire air supply device 16 or its housing 30 (including the air duct 20 and the housing 28 of the fan 18) is disposed in the seat back 10, and only the air discharge port 24 is visible from the outside. . Further, it can be seen that the planar panel member 12 fixed to the rear side of the seat back 10 is in contact with the seat back cushion 15 in the region of the connection portion 32. Here, the panel member 12 is made of a thermoplastic resin, but other plastics, metal sheets, and the like can be considered as well.

図２は、パネル部材１２の内部を前部底部側からの斜視図で示す。パネル部材１２は、接続部３２（図１ｂ）の領域の縁に配置された固定手段３４及びスペーサによって、シートバック１０のシートバックフレーム（図示せず）の後側に固定される。パネル部材１２の中央領域に第１のハウジング部分３６が配置され、この場合このハウジング部分は、シートバック１０のパネル部材１２と一体式に形成される。しかしながら、この第１のハウジング部分３６がパネル部材１２に別個の部分として固定されることも同様に考えられる。この例示された実施形態においては、第１のハウジング部分３６は、ファン１８用ハウジング２８の部分３８とエアダクト２０の部分４０とを含む。加熱素子２２（図１Ａ及び１ｂ）を収容するための凹部４２が、第１のハウジング部分３６の部分４０に示される。第１のハウジング部分３６は、エアダクト２０のおよそ中ほどの上方で終端する。この例示された実施形態においては、ここでは楕円形に構成されているファン１８のためのハウジング２８の部分３８は、ファン１８のための吸込口４４を備え、これはアキシャル・ベンチレータとして設計され、パネル部材１２を貫通する。開放可能で、ブラインド、ロールシャッター、薄板の組み合わせの形態であるカバーを、この吸込口４４を覆うために設けることができる。   FIG. 2 shows the inside of the panel member 12 in a perspective view from the front bottom side. The panel member 12 is fixed to the rear side of a seat back frame (not shown) of the seat back 10 by fixing means 34 and spacers arranged at the edge of the region of the connection portion 32 (FIG. 1b). A first housing part 36 is arranged in the central region of the panel member 12, in this case this housing part is formed integrally with the panel member 12 of the seat back 10. However, it is equally conceivable for this first housing part 36 to be fixed to the panel member 12 as a separate part. In the illustrated embodiment, the first housing portion 36 includes a portion 38 of the housing 28 for the fan 18 and a portion 40 of the air duct 20. A recess 42 for receiving the heating element 22 (FIGS. 1A and 1b) is shown in the portion 40 of the first housing portion 36. The first housing portion 36 terminates approximately midway above the air duct 20. In this illustrated embodiment, the portion 38 of the housing 28 for the fan 18, which is configured here as an oval, comprises a suction port 44 for the fan 18, which is designed as an axial ventilator, The panel member 12 is penetrated. A cover that can be opened and is in the form of a combination of blinds, roll shutters and thin plates can be provided to cover this inlet 44.

図３は、再度、平面図において、第１のハウジング部分３６が一体的に形成されたパネル部材１２の内部の中央領域を示す。第２のハウジング部分４６を平面図で示す図４と併せて、２つのハウジング部分３６、４６の相互関係が明白である。その長さのおよそ半分までの下部領域において、第２のハウジング部分４６は本質的に、第１のハウジング部分３６と組み合わすことができる開放シェル半体として設計される。接続部４８の上側には、第２のハウジング部分４６が空気供給装置１６のハウジング３０を単独で形成する。第２のハウジング部分４６が本質的に第１のハウジング部分３６に適合する開放シェル半体として設計される下部領域には、加熱素子２２が組立済みの凹部５０が示される。下部楕円領域においては、空気供給装置１６のファン１８は既に第２のハウジング部分４６のシェル半体の内部に組立済みである。換言すると、第２のハウジング部分を第１のハウジング部分３６と一緒にパネル部材１２に組み立てることができ、それゆえ空気供給装置１６のハウジング３０が完成されるように、基本的な構成要素−すなわちファン１８及び加熱素子２２−はここでは既に第２のハウジング部分４６の内部に組立済みである。この例示された実施形態においては、第２のハウジング部分４６は、例えばスナップ接続、クリップ接続等の解放可能な接続によって第１のハウジング部分３６に固定することが可能である。包囲している接続部の領域に配置されたエラストマー要素（図示せず）の形態の防音材が好ましくは２つのハウジング部分３６と４６の間に設けられるので、ファン１８によって生じた振動がパネル部材１２に伝達することがない。ここで選択された２つの部分シェル３６、４６の代わりに、当然ハウジング３０は別の方法で、互いに組み合わせることができる２つ以上のハウジング部分に分けられてもよいが、これらのハウジング部分の少なくとも１つがパネル部材１２に直接固定されるか、又はそれと一体的に形成される。   FIG. 3 again shows a central region inside the panel member 12 in which the first housing portion 36 is integrally formed in a plan view. In conjunction with FIG. 4 showing the second housing part 46 in plan view, the interrelationship of the two housing parts 36, 46 is apparent. In the lower region up to approximately half of its length, the second housing portion 46 is essentially designed as an open shell half that can be combined with the first housing portion 36. Above the connection 48, the second housing part 46 forms the housing 30 of the air supply device 16 alone. In the lower region where the second housing part 46 is designed as an open shell half that essentially conforms to the first housing part 36, a recess 50 with the heating element 22 assembled is shown. In the lower elliptical region, the fan 18 of the air supply device 16 has already been assembled inside the shell half of the second housing part 46. In other words, the basic components—that is, the second housing part can be assembled to the panel member 12 together with the first housing part 36 and thus the housing 30 of the air supply device 16 is completed. The fan 18 and the heating element 22-are already assembled inside the second housing part 46 here. In the illustrated embodiment, the second housing portion 46 can be secured to the first housing portion 36 by a releasable connection, such as a snap connection, a clip connection, or the like. A soundproofing material in the form of an elastomeric element (not shown) arranged in the area of the surrounding connection is preferably provided between the two housing parts 36 and 46 so that the vibrations caused by the fan 18 are affected by the panel member. 12 is not transmitted. Instead of the two partial shells 36, 46 selected here, of course, the housing 30 may be divided into two or more housing parts that can be combined with each other, but at least of these housing parts. One is fixed directly to the panel member 12 or formed integrally therewith.

最後に、図５は、空気供給装置１６の完成したハウジング３０が固定されたパネル部材１２の内側の前部底部側からの斜視図を示す。ハウジング３０の下部領域においては、第１のハウジング部分３６と第２のハウジング部分４６の２つのシェル半体が組み合わされているので、第２のハウジング部分４６がパネル部材１２に固定されている。空気供給装置１６の完成したハウジング３０は、ライン（図示せず）によって電源に接続できるので、ファン１８と加熱素子２２が対応して作動され得る。この程度まで完成されたパネル部材１２を、シートバック１０の後側において空気供給装置１６と組み合わせることができる。   Finally, FIG. 5 shows a perspective view from the front bottom side inside the panel member 12 to which the completed housing 30 of the air supply device 16 is fixed. In the lower region of the housing 30, since the two shell halves of the first housing portion 36 and the second housing portion 46 are combined, the second housing portion 46 is fixed to the panel member 12. Since the completed housing 30 of the air supply device 16 can be connected to a power source by a line (not shown), the fan 18 and the heating element 22 can be operated correspondingly. The panel member 12 completed to this extent can be combined with the air supply device 16 on the rear side of the seat back 10.

本発明による空気供給装置が一体化された自動車の座席のシートバックの概略斜視前面図を示す。1 shows a schematic perspective front view of a seat back of an automobile seat integrated with an air supply device according to the invention. 本発明による空気供給装置が一体化された自動車の座席のシートバックの概略側面図を示す。1 shows a schematic side view of a seat back of an automobile seat integrated with an air supply device according to the invention. パネル部材によって支持される空気供給装置のハウジング部分と共にシートバックのパネル部材の内部を前部底部側からの斜視図を示す。The perspective view from the front part bottom side shows the inside of the panel member of a seat back with the housing part of the air supply device supported by the panel member. 空気供給装置のハウジング部分が一体的に形成されたパネル部材の内部の平面図を示す。The top view inside the panel member in which the housing part of the air supply apparatus was integrally formed is shown. 加熱素子とファンが一体化された空気供給装置のさらなるハウジング部分の平面図を示す。そのハウジング部分は、シートバックのパネル部材に配置されたハウジング部分と組み合わせることができる。Fig. 4 shows a plan view of a further housing part of an air supply device in which a heating element and a fan are integrated. The housing portion can be combined with a housing portion disposed on the seat back panel member. パネル部材によって支持される空気供給装置のハウジングと共に、シートバックの前記パネル部材内部の底部から斜めにした斜視図を示す。The perspective view made from the bottom part inside the said panel member of a seat back with the housing of the air supply apparatus supported by a panel member is shown.

Claims (9)

後側が平面的なパネル部材（１２）によって覆われ、シート乗員の頭部、肩及び首領域に空気流を供給するための空気供給装置（１６）が内蔵され、前記空気供給装置（１６）がハウジング（３０）を備える自動車の座席のシートバック（１０）において、
前記空気供給装置（１６）の前記ハウジング（３０）は、組み合わせることができる少なくとも２つのハウジング部分（３６、４６）から形成され、前記ハウジング部分（３６、４６）の１つは前記シートバック（１０）の前記パネル部材（１２）によって支持されることを特徴とするシートバック（１０）。 The rear side is covered with a flat panel member (12), and an air supply device (16) for supplying an air flow to the head, shoulder and neck regions of the seat occupant is incorporated, and the air supply device (16) In a seat back (10) of a car seat comprising a housing (30),
The housing (30) of the air supply device (16) is formed from at least two housing parts (36, 46) that can be combined, one of the housing parts (36, 46) being the seat back (10). The seat back (10) is supported by the panel member (12). 前記シートバック（１０）の前記パネル部材（１２）が、前記空気供給装置（１６）の対応するハウジング部分（３６）と一体的に形成されることを特徴とする請求項１に記載のシートバック。   The seat back according to claim 1, characterized in that the panel member (12) of the seat back (10) is integrally formed with a corresponding housing part (36) of the air supply device (16). . 前記空気供給装置（１６）のさらなるハウジング部分（４６）が、解放可能な接続によって前記シートバック（１０）の前記パネル部材（１２）に配置されたハウジング部分（３６）に固定できることを特徴とする請求項１に記載のシートバック。   A further housing part (46) of the air supply device (16) can be fixed to a housing part (36) arranged on the panel member (12) of the seat back (10) by a releasable connection. The seat back according to claim 1. 前記空気供給装置（１６）には、前記ハウジング（３０）内に配置されるファン（１８）が割り当てられることを特徴とする請求項１に記載のシートバック。   2. Seat back according to claim 1, characterized in that the air supply device (16) is assigned a fan (18) arranged in the housing (30). 前記ハウジング（３０）の組立前に、前記空気供給装置（１６）の前記さらなるハウジング部分（４６）に前記ファン（１８）を予め組み立てることを特徴とする請求項４に記載のシートバック。   5. Seat back according to claim 4, characterized in that the fan (18) is pre-assembled in the further housing part (46) of the air supply device (16) before assembly of the housing (30). 前記空気供給装置（１６）の前記さらなるハウジング部分（４６）が、前記シートバック（１０）の前記パネル部材（１２）に配置されたハウジング部分（３６）に振動に関して絶縁されて取付けることを特徴とする請求項５に記載のシートバック。   The further housing part (46) of the air supply device (16) is mounted with vibration isolation on a housing part (36) disposed on the panel member (12) of the seat back (10). The seat back according to claim 5. 前記シートバック（１０）の前記パネル部材（１２）において、前記ファン（１８）のための空気吸込口（４４）が、前記対応するハウジング部分（３６）の領域に設けられることを特徴とする請求項４に記載のシートバック。   In the panel member (12) of the seat back (10), an air inlet (44) for the fan (18) is provided in the region of the corresponding housing part (36). Item 5. The seat back according to Item 4. 前記空気供給装置（１６）に、前記ハウジング（３０）内に配置される加熱素子（２２）が設けられることを特徴とする請求項１に記載のシートバック。   The seat back according to claim 1, characterized in that the air supply device (16) is provided with a heating element (22) arranged in the housing (30). 前記ハウジング（３０）の組立前に、前記空気供給装置（１６）の前記さらなるハウジング部分（４６）に前記加熱素子（２２）を予め組み立てることを特徴とする請求項８に記載のシートバック。   9. Seat back according to claim 8, characterized in that the heating element (22) is pre-assembled in the further housing part (46) of the air supply device (16) before assembly of the housing (30).
JP2007545869A 2004-12-16 2005-11-26 Seat back of a car seat with air supply device Pending JP2008523854A (en)

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