JP2007000257A - Headrest - Google Patents

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JP2007000257A
JP2007000257A JP2005182064A JP2005182064A JP2007000257A JP 2007000257 A JP2007000257 A JP 2007000257A JP 2005182064 A JP2005182064 A JP 2005182064A JP 2005182064 A JP2005182064 A JP 2005182064A JP 2007000257 A JP2007000257 A JP 2007000257A
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auxiliary support
head
headrest
use position
passenger
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JP4559309B2 (en
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Norichika Aoki
律親 青木
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Inoac Corp
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Inoue MTP KK
Inoac Corp
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  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a headrest providing an occupant with an improved comfortableness when the occupant rests the head backward. <P>SOLUTION: A headrest body 13 comprises a center supporting part 14 for supporting the back of the head of the occupant, and an auxiliary supporting part 15 positioned at the lower part on the front side of the center supporting part 14. The auxiliary supporting part 15 comprises a center auxiliary supporting part 16 for supporting the back of the head from diagonal lower part, and a right and a left auxiliary supporting parts 17L and 17R for supporting the sides of the head from diagonal lower parts. The auxiliary supporting part 15 is supported so as to tilt around a support shaft part 12c of a stay 12 for supporting the center supporting part 14, and placed in a use position for allowing the central auxiliary supporting part 16 to support the back of the head of the occupant from the diagonal lower part and in a nonuse position where it is retreated from the use position. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

この発明は、自動車等の乗り物において座席の背もたれ部の上端部に設けられるヘッドレストに係り、詳しくは、搭乗者の後頭部を後方から支持する中央支持部の他に、後頭部を斜め下方から支持するために必要に応じて使用することができる補助支持部を備えたヘッドレストに関するものである。   The present invention relates to a headrest provided at an upper end portion of a backrest portion of a seat in a vehicle such as an automobile, and more specifically, to support a rear head from an obliquely lower side in addition to a central support portion that supports a rear head of a passenger from behind. It is related with the headrest provided with the auxiliary | assistant support part which can be used as needed.

従来、この種のヘッドレストとしては、例えば特許文献１に記載されたものが存在する。このヘッドレストにおいては、図１３（ａ），（ｂ）に示すように、搭乗者の後頭部を後方から支持する中央支持部４０の左右両側に、搭乗者の側頭部を必要に応じて支持可能な補助支持部４１Ｌ，４１Ｒがそれぞれ設けられている。この両補助支持部４１Ｌ，４１Ｒは、側端部側ほどより低くなるように形成され、ほぼ鉛直方向に延びる回動軸回りに前後に回動可能となっている。そして、両補助支持部４１Ｌ，４１Ｒは、前方に回動された位置において搭乗者の側頭部を支持可能となる。   Conventionally, as this type of headrest, for example, one described in Patent Document 1 exists. In this headrest, as shown in FIGS. 13 (a) and 13 (b), the passenger's side head can be supported on both the left and right sides of the center support portion 40 that supports the passenger's rear head from behind. Auxiliary support portions 41L and 41R are provided. The auxiliary support portions 41L and 41R are formed so as to be lower toward the side end portion, and can be rotated back and forth around a rotation axis extending in a substantially vertical direction. And both auxiliary support parts 41L and 41R can support a passenger | crew's temporal region in the position rotated ahead.

上記特許文献１のヘッドレスト以外にも、例えば図１４（ａ），（ｂ）に示すように、搭乗者の後頭部を後方から支持する中央支持部５０の前側下部の左右両側に、搭乗者の側頭部を支持するための補助支持部５１Ｌ，５１Ｒが埋め込まれたタイプのヘッドレストも存在する。
特開平９−２２４７７７号公報（第２〜４頁、第１〜７図） In addition to the headrest disclosed in Patent Document 1, for example, as shown in FIGS. 14A and 14B, on the left and right sides of the front lower portion of the center support portion 50 that supports the rear head of the passenger from the rear side, There is also a type of headrest in which auxiliary support portions 51L and 51R for supporting the head are embedded.
Japanese Patent Laid-Open No. 9-224777 (pages 2-4, FIGS. 1-7)

ところで、搭乗者が頭をヘッドレストに持たせ掛けた場合、上記特許文献１のヘッドレストでは、図１５に実線で示すように、搭乗者Ｐの後頭部のみが中央支持部４０に当たる。これは、中央支持部４０の機能が、搭乗者の頭部が後方へ大きく変位することを防止することにあるためである。これは、図１４（ａ），（ｂ）に示すヘッドレストでも同じである。このため、搭乗者Ｐが頭部Ｈをヘッドレストに持たせ掛けて休息しようとすると、図１５に二点鎖線で示すように、頭部Ｈが前方斜め下向きに無理に曲げられ、首Ｎに負担がかかることになる。従って、搭乗者Ｐが頭部Ｈを持たせ掛けて休憩しようとしたときのヘッドレストの快適性が悪い問題があった。   By the way, when the passenger holds his / her head on the headrest, in the headrest disclosed in Patent Document 1, only the rear head of the passenger P hits the central support portion 40 as shown by a solid line in FIG. This is because the function of the center support portion 40 is to prevent the passenger's head from being greatly displaced backward. The same applies to the headrests shown in FIGS. 14 (a) and 14 (b). For this reason, when the passenger P tries to rest with the head H held on the headrest, the head H is forcibly bent forward and obliquely downward as shown by a two-dot chain line in FIG. Will take. Accordingly, there is a problem that the comfort of the headrest is poor when the passenger P tries to rest with the head H held.

この発明の目的は、搭乗者が頭部を後方に持たせ掛けたときの快適性を向上することができるヘッドレストを提供することにある。   An object of the present invention is to provide a headrest that can improve comfort when a passenger holds his / her head behind.

上記目的を達成するため、請求項１に記載の発明は、搭乗者の後頭部を支持可能な中央支持部と、同中央支持部の前側下部に位置する補助支持部とを備え、同補助支持部を、主として左右方向に沿って延びる軸線回りに傾動可能に支持し、搭乗者の後頭部を斜め下方から支持可能な使用位置と、同使用位置から退避した非使用位置とに配置可能としたことを特徴とする。   In order to achieve the above object, the invention described in claim 1 includes a central support portion capable of supporting the occupant's rear head and an auxiliary support portion positioned at a lower front side of the central support portion. In such a manner that it can be tilted around an axis extending mainly in the left-right direction, and can be placed in a use position where the passenger's back head can be supported from diagonally below and a non-use position retracted from the use position. Features.

請求項２に記載の発明は、請求項１に記載の発明において、前記補助支持部の使用位置を傾動調節可能としたことを特徴とする。
請求項３に記載の発明は、請求項１又は請求項２に記載の発明において、前記補助支持部の左右両側には、同補助支持部が前記使用位置に配置された状態において、搭乗者の側頭部を斜め下方から支持可能な使用位置と、同使用位置から退避した非使用位置とに配置可能な左側補助支持部及び右側補助支持部を設けたことを特徴とする。 The invention described in claim 2 is characterized in that, in the invention described in claim 1, the use position of the auxiliary support portion can be adjusted in tilt.
According to a third aspect of the present invention, in the first or second aspect of the present invention, in the state in which the auxiliary support portions are disposed at the use positions on the left and right sides of the auxiliary support portion, A left auxiliary support portion and a right auxiliary support portion that can be disposed at a use position where the temporal region can be supported obliquely from below and a non-use position retracted from the use position are provided.

請求項４に記載の発明は、請求項３に記載の発明において、前記左側補助支持部及び右側補助支持部の使用位置をそれぞれ傾動調節可能としたことを特徴とする。   The invention described in claim 4 is characterized in that, in the invention described in claim 3, the use positions of the left side auxiliary support part and the right side auxiliary support part can be adjusted in tilt.

本発明によれば、搭乗者が頭部を後方に倒してヘッドレストに持たせ掛けたときに、使用位置に配置された補助支持部により、後頭部が後方斜め下方から支持される。このため、搭乗者の頭部が前方斜め下向きに無理に曲げられにくく、搭乗者の首に負担がかかりにくい。従って、搭乗者が頭部をヘッドレストに持たせ掛けたときの快適性が向上する。   According to the present invention, when the occupant tilts his / her head backward and holds it on the headrest, the back of the head is supported obliquely from below by the auxiliary support portion disposed at the use position. For this reason, it is difficult for the passenger's head to be forcibly bent forward and obliquely downward, and it is difficult to place a burden on the passenger's neck. Therefore, the comfort when the passenger holds the head on the headrest is improved.

また、補助支持部の使用位置を傾動調節可能とすれば、搭乗者の体格や頭部の形状に応じて使用位置を調節することにより、搭乗者の後頭部を斜め下方からより適切な位置で支持することができる。従って、体格や頭部の形状が異なる搭乗者について、頭部をヘッドレストに持たせ掛けたときの快適性が向上する。   In addition, if the use position of the auxiliary support part can be tilted, the use position is adjusted according to the physique of the passenger and the shape of the head, thereby supporting the passenger's rear head at a more appropriate position from below. can do. Therefore, for passengers with different physiques and head shapes, comfort is improved when the head rests on the headrest.

また、補助支持部の左右両側に、同補助支持部が前記使用位置に配置された状態において、搭乗者の側頭部を斜め下方から支持可能な使用位置と、同使用位置から退避した非使用位置とに配置可能な左右補助支持部を設ける。この場合には、搭乗者がヘッドレストに持たせ掛けた頭部をさらに側方に倒したときに、使用位置に配置された左側又は右側補助支持部により、搭乗者の側頭部が斜め下方から支持される。従って、搭乗者が頭部をヘッドレストに持たせ掛けたときの快適性が一層向上する。   In addition, in a state where the auxiliary support portions are arranged at the use positions on both the left and right sides of the auxiliary support portions, a use position where the passenger's temporal region can be supported obliquely from below and a non-use state where the passenger is retreated from the use position. Left and right auxiliary support portions that can be arranged at positions are provided. In this case, when the passenger holds the head resting on the headrest further to the side, the left or right auxiliary support portion disposed at the use position causes the passenger's side head to Supported. Therefore, the comfort when the passenger holds the head on the headrest is further improved.

また、左側補助支持部及び右側補助支持部の使用位置をそれぞれ傾動調節可能としたときには、搭乗者の体格や頭部の形状に応じて使用位置を調節することにより、搭乗者の側頭部を斜め下方からより適切な位置で支持することができる。従って、体格や頭部の形状が異なる搭乗者について、頭部をヘッドレストに持たせ掛けたときの快適性が向上する。   In addition, when the use positions of the left side auxiliary support part and the right side auxiliary support part can be adjusted to be tilted, the use position is adjusted according to the physique and the shape of the head of the passenger, thereby It can be supported at a more appropriate position from obliquely below. Therefore, for passengers with different physiques and head shapes, comfort is improved when the head rests on the headrest.

（第１実施形態）
次に、本発明を具体化した第１実施形態を図１〜図８に従って説明する。
図１、図２及び図３に示すように、ヘッドレスト１０は、座席の背もたれ部１１に支持されるステー１２を備え、このステー１２には、搭乗者の頭部を支持するためのヘッドレスト本体１３が支持されている。ステー１２は、例えば金属パイプよりなる。ヘッドレスト本体１３は、搭乗者の後頭部を後方から支持可能な中央支持部１４と、同中央支持部１４の前側下部に位置する補助支持部１５とを備えている。補助支持部１５は、搭乗者の後頭部を斜め下方から支持可能な使用位置（図３に示す位置）と、この使用位置から後退した非使用位置（図２に示す位置）とに配置可能とされている。 (First embodiment)
Next, a first embodiment of the present invention will be described with reference to FIGS.
As shown in FIGS. 1, 2, and 3, the headrest 10 includes a stay 12 that is supported by a backrest portion 11 of the seat, and the stay 12 includes a headrest body 13 that supports the head of the occupant. Is supported. The stay 12 is made of, for example, a metal pipe. The headrest main body 13 includes a central support portion 14 that can support the occupant's rear head from behind, and an auxiliary support portion 15 that is positioned at the lower front side of the central support portion 14. The auxiliary support portion 15 can be arranged at a use position (position shown in FIG. 3) capable of supporting the passenger's rear head from an obliquely lower position and a non-use position retracted from the use position (position shown in FIG. 2). ing.

補助支持部１５は、搭乗者の後頭部を斜め下方から支持するための中央補助支持部１６と、この中央補助支持部１６の左右両側に設けられた左側補助支持部１７Ｌ及び右側補助支持部１７Ｒとを備えている。左側及び右側補助支持部１７Ｌ，１７Ｒは、搭乗者の側頭部を斜め下方から支持可能な使用位置（図１に示す位置）と、この使用位置から後退した非使用位置（図３に示す位置）とにそれぞれ配置可能とされている。従って、左側及び右側補助支持部１７Ｌ，１７Ｒは、補助支持部１５が使用位置に配置された状態において使用位置に配置される。   The auxiliary support portion 15 includes a central auxiliary support portion 16 for supporting the occupant's rear head from obliquely below, and a left auxiliary support portion 17L and a right auxiliary support portion 17R provided on both left and right sides of the central auxiliary support portion 16. It has. The left and right auxiliary support portions 17L and 17R are used positions (positions shown in FIG. 1) capable of supporting the passenger's temporal head from obliquely below, and non-use positions retracted from the use positions (positions shown in FIG. 3). ) And can be arranged respectively. Accordingly, the left and right auxiliary support portions 17L and 17R are arranged at the use position in a state where the auxiliary support portion 15 is arranged at the use position.

以下、ヘッドレスト１０の構成についてさらに詳述する。
図４に示すように、前記ステー１２は、背もたれ部１１に支持される左右一対の脚部１２ａ、各脚部１２ａの先端から前方に延出された一対の腕部１２ｂ、及び、両腕部１２ｂの前端同士を連結する支持軸部１２ｃを備えている。支持軸部１２ｃは、ヘッドレスト１０の左右方向に水平に延びている。支持軸部１２ｃの中央には、蝶番１８を介して、前記中央補助支持部１６の骨格となる中央支持板１９が支持されている。図５及び図６に示すように、蝶番１８は、支持軸部１２ｃの下面にほぼ水平状態で固定される固定片１８ａと、図示しない軸部を介して固定片１８ａに対して回動可能に支持された可動片１８ｂとを備えている。可動片１８ｂは、固定片１８ａに対して任意の角度で保持されるようになっている。中央支持板１９は、１つの屈曲部を有する断面クランク形状とされている。従って、中央支持板１９は、支持軸部１２ｃに平行な軸回りに回動調節可能に支持軸部１２ｃに支持され、前後方向に傾動調節可能となっている。 Hereinafter, the configuration of the headrest 10 will be further described in detail.
As shown in FIG. 4, the stay 12 includes a pair of left and right legs 12 a supported by the backrest 11, a pair of arms 12 b extending forward from the tips of the legs 12 a, and both arms. The support shaft part 12c which connects the front ends of 12b is provided. The support shaft portion 12 c extends horizontally in the left-right direction of the headrest 10. A central support plate 19 serving as a skeleton of the central auxiliary support portion 16 is supported through a hinge 18 at the center of the support shaft portion 12c. As shown in FIGS. 5 and 6, the hinge 18 is fixed to the lower surface of the support shaft portion 12c in a substantially horizontal state and is rotatable with respect to the fixed piece 18a via a shaft portion (not shown). And a supported movable piece 18b. The movable piece 18b is held at an arbitrary angle with respect to the fixed piece 18a. The central support plate 19 has a crank shape in cross section having one bent portion. Accordingly, the central support plate 19 is supported by the support shaft portion 12c so as to be rotatable around an axis parallel to the support shaft portion 12c, and can be tilted and adjusted in the front-rear direction.

図４及び図５に示すように、中央支持板１９の左辺部には、前記左側補助支持部１７Ｌの骨格となる左側支持板２０Ｌが蝶番２１を介して連結され、右辺部には、右側補助支持部１７Ｒの骨格となる右側支持板２０Ｒが蝶番２１を介して連結されている。右側補助支持部１７Ｒは、前記蝶番１８と同様の構成からなる蝶番２１により、中央支持板１９に対して任意の角度で保持される。そして、左側及び右側支持板２０Ｌ，２０Ｒは、中央支持板１９のそれぞれ左辺又は右辺に沿った軸回りに回動可能に中央支持板１９に支持され、中央支持板１９に対して前後方向に傾動調節可能となっている。   As shown in FIGS. 4 and 5, the left support plate 20L, which is the skeleton of the left auxiliary support portion 17L, is connected to the left side portion of the central support plate 19 via a hinge 21, and the right support portion is connected to the right support portion. A right support plate 20 </ b> R serving as a skeleton of the support portion 17 </ b> R is connected via a hinge 21. The right auxiliary support portion 17R is held at an arbitrary angle with respect to the central support plate 19 by a hinge 21 having the same configuration as the hinge 18. The left and right support plates 20L and 20R are supported by the central support plate 19 so as to be rotatable about the axis along the left side or the right side of the central support plate 19, respectively, and tilt in the front-rear direction with respect to the central support plate 19 It is adjustable.

図６及び図７に示すように、前記ステー１２には、第１発泡弾性体２２が装着されている。第１発泡弾性体２２は、中央支持部１４、及び、ヘッドレスト本体１３における補助支持部１５の後側の部分を形成する。第１発泡弾性体２２は、ステー１２を内部に配置した図示しない成形金型内に発泡材料を充填させて発泡させることにより、ステー１２をインサートして成形されている。また、前記中央支持板１９、左側支持板２０Ｌ、及び、右側支持板２０Ｒには、弾性体としての第２発泡弾性体２３が装着されている。第２発泡弾性体２３は、前記中央補助支持部１６を形成する中央部２３ａ、前記左側補助支持部１７Ｌを形成する左側部２３ｂ、及び、前記右側補助支持部１７Ｒを形成する右側部２３ｃとからなる。第２発泡弾性体２３の左側部２３ｂ及び右側部２３ｃは、中央支持板１９に対する左側及び右側支持板２０Ｌ，２０Ｒの傾動に伴い、中央部２３ａに対して傾動する。第２発泡弾性体２３は、第１発泡弾性体２２と同様に、蝶番２１により互いに連結された中央支持板１９、左側支持板２０Ｌ及び右側支持板２０Ｒをインサートして成形されている。第１発泡弾性体２２及び第２発泡弾性体２３には、それぞれ表皮２４ａ，２４ｂが被覆装着されている。   As shown in FIGS. 6 and 7, a first foamed elastic body 22 is attached to the stay 12. The first foamed elastic body 22 forms a central support portion 14 and a rear portion of the auxiliary support portion 15 in the headrest body 13. The first foamed elastic body 22 is molded by inserting the stay 12 by filling the foamed material into a molding die (not shown) in which the stay 12 is disposed and foaming. Further, a second foamed elastic body 23 as an elastic body is mounted on the central support plate 19, the left support plate 20L, and the right support plate 20R. The second foamed elastic body 23 includes a central portion 23a that forms the central auxiliary support portion 16, a left side portion 23b that forms the left auxiliary support portion 17L, and a right side portion 23c that forms the right auxiliary support portion 17R. Become. The left side portion 23b and the right side portion 23c of the second foamed elastic body 23 tilt with respect to the central portion 23a as the left and right support plates 20L and 20R tilt with respect to the central support plate 19. Similar to the first foamed elastic body 22, the second foamed elastic body 23 is formed by inserting a central support plate 19, a left support plate 20L, and a right support plate 20R that are connected to each other by a hinge 21. The first foamed elastic body 22 and the second foamed elastic body 23 are covered with skins 24a and 24b, respectively.

さて、車両運転時等の補助支持部１５を使用しないときには、図２に示すように、補助支持部１５を非使用位置に配置する。この状態では、補助支持部１５の前面が中央支持部１４の前面とほぼ同じ位置まで後退していることから、搭乗者の後頭部に補助支持部（中央補助支持部１６）１５の前面が当たらない。また、左側及び右側補助支持部１７Ｌ，１７Ｒの前面が中央支持部１４の前面とほぼ同じ位置まで後退していることから、搭乗者の側頭部に、左側及び右側補助支持部１７Ｌ，１７Ｒの前面が当たらない。従って、ヘッドレスト１０が運転席に設けられている場合には、車両運転中に運転者が頭部を左右に動かしても、運転者の後頭部に補助支持部１５が当たることがなく、車両の運転の支障となることはない。   Now, when not using the auxiliary support part 15 at the time of vehicle driving etc., as shown in FIG. 2, the auxiliary support part 15 is arrange | positioned in a non-use position. In this state, since the front surface of the auxiliary support portion 15 is retracted to substantially the same position as the front surface of the central support portion 14, the front surface of the auxiliary support portion (central auxiliary support portion 16) 15 does not hit the back of the passenger. . Further, since the front surfaces of the left and right auxiliary support portions 17L and 17R are retracted to substantially the same position as the front surface of the central support portion 14, the left and right auxiliary support portions 17L and 17R are placed on the side of the passenger. The front does not hit. Therefore, when the headrest 10 is provided in the driver's seat, even if the driver moves his / her head from side to side while driving the vehicle, the auxiliary support portion 15 does not hit the driver's rear head, and driving of the vehicle Will not be a hindrance.

また、例えば駐車時等において休息するために、図３に示すように、補助支持部１５を非使用位置から傾動させて使用位置に配置すると、補助支持部１５の中央補助支持部１６が、搭乗者の後頭部を斜め下方から支持可能な位置に配置される。この状態で、搭乗者が頭部をヘッドレスト１０の中央支持部１４に持たせ掛けると、図８に示すように、搭乗者Ｐの後頭部が中央補助支持部１６により斜め下方から支持される。このため、搭乗者Ｐの頭部Ｈが前方斜め下向きに曲げられることはなく首Ｎに負担がかかりにくい。従って、搭乗者Ｐが頭部Ｈをヘッドレスト１０に持たせ掛けたときの快適性が向上する。さらに、使用位置における補助支持部１５の傾きを調節することができるので、搭乗者Ｐの体格や頭部Ｈの形状に応じて使用位置の角度を調節することにより、搭乗者Ｐの後頭部をより適切な位置で支持することができる。このため、体格や頭部Ｈの形状が異なる搭乗者Ｐについて、頭部Ｈをヘッドレスト１０に持たせ掛けたときの快適性が一層向上する。   Further, for example, when the auxiliary support portion 15 is tilted from the non-use position and placed at the use position in order to rest at the time of parking or the like, the central auxiliary support portion 16 of the auxiliary support portion 15 is boarded. It arrange | positions in the position which can support a person's back head from diagonally downward. In this state, when the occupant holds his / her head on the central support portion 14 of the headrest 10, the rear head of the occupant P is supported by the central auxiliary support portion 16 from obliquely below as shown in FIG. For this reason, the head H of the passenger P is not bent forward and obliquely downward, and the burden on the neck N is not easily applied. Therefore, the comfort when the passenger P holds the head H on the headrest 10 is improved. Furthermore, since the inclination of the auxiliary support portion 15 at the use position can be adjusted, the angle of the use position is adjusted according to the physique of the occupant P and the shape of the head H, so that the occupant's P head is more It can be supported at an appropriate position. For this reason, about the passenger P from which the physique and the shape of the head H differ, the comfort when the head H is held on the headrest 10 further improves.

さらに、補助支持部１５を使用位置に配置した状態で、図１に示すように、左側及び右側補助支持部１７Ｌ，１７Ｒを非使用位置から使用位置に配置すると、左側及び右側補助支持部１７Ｌ，１７Ｒが、搭乗者Ｐの側頭部を斜め下方から支持可能な位置に配置される。この状態で、搭乗者Ｐが中央支持部１４に持たせ掛けている頭部Ｈを左又は右側方に倒すと、使用位置に配置された左側又は右側補助支持部１７Ｌ，１７Ｒにより側頭部が斜め下方から支持される。従って、頭部Ｈが側方に倒れることなくヘッドレスト１０に支持されるので、その快適性が一層向上する。なお、使用位置における左側及び右側補助支持部１７Ｌ，１７Ｒの傾きを調節することができるので、搭乗者Ｐの体格や頭部Ｈの形状に応じて使用位置の角度を調節することにより、搭乗者Ｐの側頭部をより適切な位置で支持することができる。従って、体格や頭部Ｈの形状が異なる搭乗者Ｐについて、頭部Ｈをヘッドレスト１０に持たせ掛けたときの快適性が一層向上する。   Furthermore, when the left and right auxiliary support portions 17L and 17R are arranged from the non-use position to the use position as shown in FIG. 1 with the auxiliary support portion 15 placed at the use position, the left and right auxiliary support portions 17L, 17R is arrange | positioned in the position which can support the passenger | crew's P temporal head from diagonally downward. In this state, when the head H that the passenger P holds on the center support part 14 is tilted to the left or the right side, the left or right auxiliary support parts 17L and 17R arranged at the use positions cause the side head to move. Supported from diagonally below. Therefore, since the head H is supported by the headrest 10 without falling down to the side, the comfort is further improved. In addition, since it is possible to adjust the inclination of the left and right auxiliary support portions 17L and 17R in the use position, the rider can adjust the angle of the use position according to the physique of the rider P and the shape of the head H. P's temporal region can be supported at a more appropriate position. Therefore, the comfort when the head P is held on the headrest 10 for the passenger P having a different physique and the shape of the head H is further improved.

（第２実施形態）
次に、本発明を具体化した第２実施形態を図９〜図１１に従って説明する。なお、この実施形態は、ステー１２の支持軸部１２ｃに副支持部１２ｄを設けたことと、蝶番１８に代えて回動筒部３０を用いたことのみが第１実施形態と異なるので、副支持部１２ｄ及び回動筒部３０のみについて説明する。 (Second Embodiment)
Next, a second embodiment embodying the present invention will be described with reference to FIGS. This embodiment differs from the first embodiment only in that the auxiliary support portion 12d is provided on the support shaft portion 12c of the stay 12 and that the rotating cylinder portion 30 is used instead of the hinge 18. Only the support part 12d and the rotating cylinder part 30 will be described.

すなわち、図９に示すように、この実施形態のステー１２は、第１実施形態のステー１２の構成に加えて、支持軸部１２ｃの中央下面に、略コ字形状の副支持部１２ｄを備えている。副支持部１２ｄは、例えば金属丸棒からなり、支持軸部１２ｃに溶接されている。   That is, as shown in FIG. 9, the stay 12 of this embodiment includes a substantially U-shaped sub-support portion 12d on the lower surface of the center of the support shaft portion 12c in addition to the configuration of the stay 12 of the first embodiment. ing. The sub-support portion 12d is made of, for example, a metal round bar, and is welded to the support shaft portion 12c.

図１０に示すように、前記中央支持板１９の上端縁辺部には、周方向における一箇所で分離された円筒状の回動筒部３０が溶接固定されている。中央支持板１９は、図１１に示すように、回動筒部３０が前記副支持部１２ｄに締まり嵌め状態で取着されることにより、副支持部１２ｄ回りに傾動可能な状態で副支持部１２ｄに支持されている。中央支持板１９の両側には、第１実施形態と同様に、前記左側支持板２０Ｌ及び右側支持板２０Ｒがそれぞれ蝶番２１を介して支持されている。そして、補助支持部１５は、副支持部１２ｄに対する回動筒部３０の回動により傾動調節される。   As shown in FIG. 10, a cylindrical rotating cylinder portion 30 separated at one place in the circumferential direction is welded and fixed to the upper edge portion of the central support plate 19. As shown in FIG. 11, the central support plate 19 is attached to the sub-support portion 12d in a tightly fitted state so that the sub-support portion can be tilted around the sub-support portion 12d. 12d. As in the first embodiment, the left support plate 20L and the right support plate 20R are supported on both sides of the central support plate 19 via hinges 21, respectively. And the auxiliary support part 15 is tilt-adjusted by rotation of the rotation cylinder part 30 with respect to the subsupport part 12d.

従って、以上のように構成されたこの実施形態も、前記第１実施形態と同様の効果を備える。
なお、この実施形態は、次のように変更して具体化することもできる。 Therefore, this embodiment configured as described above also has the same effect as the first embodiment.
In addition, this embodiment can also be changed and embodied as follows.

・ 図１２に示すように、中央支持板１９、左側及び右側支持板２０Ｌ，２０Ｒに代えて、左右両側が前方に湾曲した一枚の支持板４０をステー１２の支持軸部１２ｃに対して回動調節可能に連結する。そして、この支持板４０に発泡弾性体を装着したものを補助支持部４１とする。このような構成によれば、搭乗者が頭部をヘッドレストに持たせ掛けたときに、補助支持部４１の中央部により、搭乗者の後頭部が斜め下方から支持される。また、搭乗者の側頭部が、補助支持部４１の左側部又は右側部により、斜め下方から支持される。なお、補助支持部４１を非使用位置に配置したときには、補助支持部４１の左右両側部がより後方に配置されるので、運転中に搭乗者が頭部を左側又は右側に向けたときに、側頭部に補助支持部４１の左側部又は右側部が干渉しない。   As shown in FIG. 12, instead of the central support plate 19 and the left and right support plates 20L and 20R, a single support plate 40 whose left and right sides are curved forward is rotated with respect to the support shaft portion 12c of the stay 12. It is linked so that it can be adjusted dynamically. The support plate 40 is provided with a foamed elastic body as an auxiliary support portion 41. According to such a configuration, when the occupant holds the head on the headrest, the occupant's rear head is supported obliquely from below by the central portion of the auxiliary support portion 41. Further, the passenger's temporal region is supported by the left side or right side of the auxiliary support portion 41 from obliquely below. In addition, when the auxiliary support part 41 is arranged at the non-use position, the left and right side parts of the auxiliary support part 41 are arranged more rearward, so when the passenger turns his head to the left or right during driving, The left side or the right side of the auxiliary support part 41 does not interfere with the temporal region.

・ ヘッドレスト本体の前側下部の中央部のみを補助支持部としたヘッドレストとする。すなわち、ヘッドレスト本体の前側下部の左右両側部は、中央支持部に一体化されたまとする。   ・ A headrest that uses only the center part of the front lower part of the headrest body as an auxiliary support part. That is, it is assumed that the left and right side portions of the front lower portion of the headrest body are integrated with the central support portion.

第１実施形態のヘッドレストを示す斜視図。The perspective view which shows the headrest of 1st Embodiment. 同じくヘッドレストを示す斜視図。The perspective view which similarly shows a headrest. 同じくヘッドレストを示す斜視図。The perspective view which similarly shows a headrest. ヘッドレストの内部構造を示す斜視図。The perspective view which shows the internal structure of a headrest. 補助支持部を示す後方からの斜視図。The perspective view from the back which shows an auxiliary | assistant support part. ヘッドレストの縦断面図。The longitudinal cross-sectional view of a headrest. 同じくヘッドレストの縦断面図。Similarly the longitudinal cross-sectional view of a headrest. 使用状態を示すヘッドレストの側面図。The side view of the headrest which shows a use condition. 第２実施形態のヘッドレストの内部構造を示す斜視図。The perspective view which shows the internal structure of the headrest of 2nd Embodiment. 補助支持部を示す後方からの斜視図。The perspective view from the back which shows an auxiliary | assistant support part. ヘッドレストの縦断面図。The longitudinal cross-sectional view of a headrest. ヘッドレストの変形例を示す斜視図。The perspective view which shows the modification of a headrest. （ａ），（ｂ）は共に従来のヘッドレストを示す斜視図。(A), (b) is a perspective view which shows the conventional headrest together. （ａ），（ｂ）は共に従来のヘッドレストを示す斜視図。(A), (b) is a perspective view which shows the conventional headrest together. 使用状態を示す従来のヘッドレストの側面図。The side view of the conventional headrest which shows a use condition.

符号の説明Explanation of symbols

１０…ヘッドレスト、１３…ヘッドレスト本体、１４…中央支持部、１５…補助支持部、１７Ｌ…左側補助支持部、１７Ｒ…右側補助支持部、４１…補助支持部、Ｐ…搭乗者。   DESCRIPTION OF SYMBOLS 10 ... Headrest, 13 ... Headrest main body, 14 ... Center support part, 15 ... Auxiliary support part, 17L ... Left side auxiliary support part, 17R ... Right side auxiliary support part, 41 ... Auxiliary support part, P ... Passenger.

Claims (4)

搭乗者の後頭部を支持可能な中央支持部と、
同中央支持部の前側下部に位置する補助支持部とを備え、
同補助支持部を、主として左右方向に沿って延びる軸線回りに傾動可能に支持し、搭乗者の後頭部を斜め下方から支持可能な使用位置と、同使用位置から退避した非使用位置とに配置可能としたことを特徴とするヘッドレスト。 A central support that can support the back of the passenger,
An auxiliary support part located at the lower front side of the central support part,
The auxiliary support part is supported so that it can tilt around an axis extending mainly in the left-right direction, and can be placed in a use position where the passenger's rear head can be supported obliquely from below and a non-use position retracted from the use position. Headrest characterized by that. 前記補助支持部の使用位置を傾動調節可能としたことを特徴とする請求項１に記載のヘッドレスト。   The headrest according to claim 1, wherein the use position of the auxiliary support part is adjustable in tilt. 前記補助支持部の左右両側には、同補助支持部が前記使用位置に配置された状態において、搭乗者の側頭部を斜め下方から支持可能な使用位置と、同使用位置から退避した非使用位置とに配置可能な左側補助支持部及び右側補助支持部を設けたことを特徴とする請求項１又は請求項２に記載のヘッドレスト。  On the left and right sides of the auxiliary support part, in a state in which the auxiliary support part is disposed at the use position, the use position where the passenger's temporal region can be supported obliquely from below and the non-use state where the passenger is retracted from the use position The headrest according to claim 1 or 2, further comprising a left auxiliary support portion and a right auxiliary support portion that can be arranged at positions. 前記左側補助支持部及び右側補助支持部の使用位置をそれぞれ傾動調節可能としたことを特徴とする請求項３に記載のヘッドレスト。   4. The headrest according to claim 3, wherein the use positions of the left auxiliary support part and the right auxiliary support part can be adjusted in tilt.
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JP2010240283A (en) * 2009-04-09 2010-10-28 Toyota Boshoku Corp Headrest for seat
CN101817320A (en) * 2010-03-09 2010-09-01 上海延锋江森座椅有限公司 Chair headrest with neck support function
JP2012055461A (en) * 2010-09-08 2012-03-22 Osada Res Inst Ltd Head rest of dental treatment chair
DE102013102111A1 (en) * 2013-03-04 2014-09-04 Recaro Aircraft Seating Gmbh & Co. Kg Aircraft seat device
WO2017047308A1 (en) * 2015-09-17 2017-03-23 日本発條株式会社 Headrest and vehicle seat
JP2017056858A (en) * 2015-09-17 2017-03-23 日本発條株式会社 Headrest and vehicular seat
CN108569177A (en) * 2017-03-13 2018-09-25 丰田纺织株式会社 Vehicle head restraint
US10486570B2 (en) 2017-03-13 2019-11-26 Toyota Boshoku Kabushiki Kaisha Vehicle headrest
JP2022118213A (en) * 2017-10-13 2022-08-12 テイ・エス テック株式会社 vehicle seat
JP2019206229A (en) * 2018-05-28 2019-12-05 トヨタ自動車株式会社 Headrest and vehicle seat
JP7106988B2 (en) 2018-05-28 2022-07-27 トヨタ自動車株式会社 Headrests and vehicle seats
FR3091502A1 (en) * 2019-01-03 2020-07-10 Faurecia Sièges d'Automobile NECK SUPPORT MODULE FOR VEHICLE SEAT HEADREST
US11518285B2 (en) 2019-01-03 2022-12-06 Faurecia Sièges d'Automobile Neck support module for vehicle seat headrest
JP7525385B2 (en) 2020-12-11 2024-07-30 日本発條株式会社 Vehicle seat, headrest and head support member

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