JP5638556B2 - 着座構造体およびその使用方法 - Google Patents
着座構造体およびその使用方法 Download PDFInfo
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Description
本明細書で使用する「長手方向」および「横方向」という用語は、それぞれ、椅子の前部から後部の方向50および側部から側部の方向52を示すように意図されている。同様に、本明細書で使用する「前部(前方)」、「側部(側方)」、「後部(後方)」、「前方に」、「後方に」、「上方に」および「下方に」という用語は、椅子に着座している使用者の視点から見た場合に通常理解されるような、椅子のさまざまな方向および部分を示すように意図されている。「取り付けられた」、「連結された」、「結合された」、「によって支持されている」およびそれらの変形は、2つ以上の部材または部品が、たとえば別の部品または部材によって、直接にか間接的にかに関わらず、接合され、係合されまたは当接されていることを指し、さらに、2つ以上の部材または介在する部材を、一体的に形成することにより、またはたとえば限定されないが、機械的締結具、接着剤、溶接、圧入、折曲げ(bent−over)タブ部材等を含む、さまざまな締結装置によって、接合することができることが理解されるべきである。「複数」という用語は、2つ以上を意味する。
図面を参照すると、図1〜図6、図18〜図20、図42、図48〜図54および図58〜図60は、傾斜制御ハウジング2、座部4、背もたれ支持部材8および背もたれ6を有する椅子の好ましい実施形態を示している。「ハウジング」という用語は、全体として、別の部材を支持する任意の支持部材を指し、限定されないが、筐体を提供する構造を含む。座部4および背もたれの下方部分12は、リンク機構組立体10によって支持されており、リンク機構組立体10は、傾斜制御ハウジング2に枢支連結されている。傾斜制御ハウジング2は、リンク機構組立体のベース部品を形成している。傾斜制御ハウジングは、たとえば溶接によって接合されている上部ハウジング部材14および下部ハウジング部材16によって形成されている。
好ましくは空気式でありかつ図1〜図3Dおよび図48〜図54に示す調整可能支柱102が、ハウジング2の後部の開口104に取り付けられている。側方作動レバー(図示せず)を有する柱102の上部は、ハウジング内に延在している。レバーにはケーブル106が接続されており、それを、レバーを作動させるようにガイド内で移動させることができる。ケーブルの反対側の端部は、図5および図9に示すように、支点組立体に枢支連結されたレバーアーム108のアーム部114によって係合される。レバーは、アクチュエータチューブに連結された把持可能ハンドル290の端部から延在する押しボタン110によって作動される。動作時、使用者は、ボタン110を押し、ボタン110は、アーム112に係合し垂直軸288を中心にレバーアーム108を回転させるロッドを、横方向に移動させる。レバー108が回転すると、アーム部114は支柱レバーを作動させるようにケーブル106を移動させ、それにより、支柱102は、そこに収納されたガススプリングに応答して伸長することができ、または使用者が座部に加えている重量に応じて縮小することができる。1つの好適な支柱は、SHSとも呼ばれるサムホンサ社(Samhongsa Co.Ltd)から販売されている。
図7〜図8、図12〜図17および図56〜図69を参照すると、座部の前部領域62の長さ(前後長手方向測定値)を、座部の深さ全体(前部から後部の長さ)を変更するように調整することができる。座部深さ組立体は、前縁122、722を備えた横方向に延在する支持体120、720を有する剛性なキャリッジ部材118、718を有している。一実施形態では、前縁は、図7〜図8および図12〜図17に示すように、複数の段124を有するように構成されている。図56〜図59の実施形態では、前縁は直線状であり、または略凸状に湾曲して前方に延在している。第1実施形態では、キャリッジの横方向中心線に沿って形成された前縁の中心段部126は前方に延在し、複数の段128(両側で2つ示す)が、中心段126に対して連続的に後方に配置されている。横方向外縁において、1つまたは複数の段130が、最後方段に対して前方に連続的に前進している。キャリッジには、座部の両側から横方向外側にかつ/または上方に延在する、タブとして示す一対の把持可能ハンドル132が設けられている。キャリッジ118は、前部座部フレームのアームの各々に形成されたガイド/トラック44と摺動可能に係合する、一対の後方に延在する摺動部材134をさらに有している。キャリッジ118は、長手方向50(前後)に前部座部フレーム24に対して並進移動可能である。「並進する」、「並進可能な」およびその変形といった用語は、経路(直線状または非直線状(たとえば湾曲または曲線状))に沿って1つの地点から幾分かの距離隔置された別の地点まで移動または変位することを意味する。別の部品に対して並進させる部品を、同じ部品に対して回転させることも可能であり、その場合、並進および回転は同時に、連続して、かつ/または同時にかつ連続して発生する、ということが理解されるべきである。一実施形態では、ブシュ136が、ガイド44の座部フレームに、摺動部材と係合するように固定されている。
図5、図10、図21〜図23および図42〜図45に示すように、かつ上述したように、ハウジング2は、下部ハウジング部材16および上部ハウジング部材14を有している。座部支持ブラケット166が、一対の前方に延在するピボットアーム168および後部支持プラットフォーム170を有している。支持ブラケット166は、後部座部フレーム72に連結され、特に、プラットフォーム170に締結されており、それにより、支持ブラケット166は第3リンクの一部を形成する。ピボットアーム168は、第4枢軸96において傾斜制御ハウジングに枢支連結されている。各ピボットアームには、湾曲した、または弓形のスロット171が形成されており、スロットはほぼ垂直方向を向いている。
図1〜図4B、図18〜図38、図42および図45〜図54を参照すると、背もたれ支持部材は、上述した背もたれ支持ブラケットとして構成され、枢軸96においてベース傾斜ハウジングに枢支連結された下部支持部材172と、枢軸96から後方に隔置された水平枢軸296を中心に下部支持部材に枢支連結された上部支持部材294とを有している。下部支持部材172と上部支持部材294との間に、調整機構298が結合されている。一実施形態ではフレーム302として示す少なくとも1つの背もたれ部品300が、上部支持部材294の、背もたれ部品の胸部領域に隣接して連結されている。フレーム302の下部304は、座部フレーム72の後縁に沿って固定連結されている。上部支持部材が軸296を中心に枢動する際、背もたれの上部は、その下部に対して可撓性である。代替実施形態では、フレームの上部は、下部に枢支連結されている。図2〜図4Bの実施形態では、下部背もたれ支持体303が座部フレームの後部に連結され、かつそこから上方に延在し、背もたれフレームまたは背もたれの下部に、たとえば腰部領域に固定されている。上部支持部材294を、背もたれ300およびフレーム302とともに、輸送のために組立式構成で支持部材172から容易に取り外しまたは切り離すことができる。
Claims (15)
- 支持構造体と、
前記支持構造体に移動可能に支持され、該支持構造体に対して互いに反対向きの第1長手方向および第2長手方向へ移動可能なキャリッジと、
少なくとも部分的に座部を画定する可撓性の第1身体支持部材及び第2身体支持部材であって、前記第2身体支持部材は前記支持構造体に結合されており、前記第1身体支持部材は、前記第2身体支持部材に移動可能に結合された第1部分と、前記キャリッジに結合された第2部分と、これら第1部分と第2部分との間に位置する湾曲した第3部分とを有し、前記第1部分は前記第2身体支持部材に対して前記第1および第2長手方向へ移動可能とされており、前記第3部分は、前記キャリッジが前記支持構造体に対して前記第1長手方向へ移動する際には前記支持構造体に向かう方向に移動可能であり、前記キャリッジが前記支持構造体に対して前記第2長手方向へ移動する際には前記支持構造体から離れる方向に移動可能である、第1身体支持部材及び第2身体支持部材と、
前記第1及び第2身体支持部材の外面に配置され、前記第1身体支持部材の前記第3部分を覆うカバー部材と、
を具備する、着座構造体。 - 前記キャリッジが、前記支持構造体に対して並進移動可能である、請求項1に記載の着座構造体。
- 前記キャリッジが、少なくとも1つの摺動部材によって前記支持構造体に並進可能に結合されている、請求項2に記載の着座構造体。
- 前記カバー部材が、前記支持構造体に固定された第1折返し部を備える、請求項1に記載の着座構造体。
- 前記第1身体支持部材が、長手方向に延在する複数のストリップを画定する長手方向に延在する複数のスロットを有する、請求項1に記載の着座構造体。
- 前記複数のスロットのうちの少なくとも1つが、該複数のスロットのうちの少なくとも1つの他のスロットと異なる長さを有し、
前記キャリッジが、前記複数のストリップに隣接して配置された前縁を備え、該前縁が該前縁を横切って横向きに形成された複数の段を備え、これら複数の段のうちの少なくともいくつかが、前記複数のストリップのうちの少なくともいくつかに対応しかつそれらと整列している、請求項5に記載の着座構造体。 - 支持構造体と、
前記支持構造体によって支持され、該支持構造体に対して互いに反対向きの第1長手方向および第2長手方向へ移動可能なキャリッジと、
前記支持構造体に結合された第1部分と、前記キャリッジに結合された第2部分と、これら第1部分と第2部分との間に位置する湾曲した第3部分とを有する可撓性身体支持部材であって、前記キャリッジが前記支持構造体に対して前記第1長手方向へ移動する際には前記第3部分が前記支持構造体に向かう方向に移動可能とされ、前記キャリッジが前記支持構造体に対して前記第2長手方向に移動する際には前記第3部分が前記支持構造体から離れる方向に移動可能とされた、可撓性の身体支持部材と、
前記身体支持部材の外面を覆うように配置されて、前記身体支持部材の前記第3部分を覆うカバー部材であって、前記身体支持部材と前記キャリッジとのうちの一方または両方に係合して該一方または両方の下面側から上面側に折り返された折返し部を有し、該折返し部が、前記上面側に位置し前記支持構造体に固定された第1折返し部と、前記下面側に位置する第2折返し部と、前記第1折返し部と前記第2折返し部との間の折返し縁とを有するようにされたカバー部材と、を具備し、
前記キャリッジが前記第1長手方向へ移動すると前記折返し縁が前記第1長手方向に移動して前記第1折返し部が長くなり、前記キャリッジが前記第2長手方向へ移動すると前記折返し縁が前記第2長手方向に移動して前記第1折返し部が短くなるようにされた、着座構造体。 - 前記第1折返し部が少なくとも1つのテザーを備える、請求項7に記載の着座構造体。
- 支持構造体と、
前記支持構造体によって支持され、該支持構造体に対して互いに反対向きの第1長手方向および第2長手方向へ移動可能なキャリッジと、
前記支持構造体に結合された第1部分と、前記キャリッジに結合された第2部分と、これら第1部分と第2部分との間に位置する湾曲した第3部分とを有する可撓性身体支持部材であって、前記キャリッジが前記支持構造体に対して前記第1長手方向へ移動する際には前記第3部分が前記支持構造体に向かう方向に移動可能とされ、前記キャリッジが前記支持構造体に対して前記第2長手方向に移動する際には前記第3部分が前記支持構造体から離れる方向に移動可能とされた可撓性身体支持部材と、を具備し、
前記身体支持部材が、長手方向に延在する複数のストリップを画定する長手方向に延在する複数のスロットを有する、着座構造体。 - 前記複数のスロットのうちの少なくとも1つが、該複数のスロットのうちの少なくとも1つの他のスロットと異なる長さを有し、
前記キャリッジが、前記複数のストリップに隣接して配置された前縁を備え、該前縁が該前縁を横切って横向きに形成された複数の段を備え、これら複数の段のうちの少なくともいくつかが、前記複数のストリップのうちの少なくともいくつかに対応しかつそれらと整列している、請求項9に記載の着座構造体。 - 座席の深さを調整する方法であって、
支持構造体と、該支持構造体に移動可能に支持されるキャリッジと、前記支持構造体に固定結合された第1部分、前記キャリッジに結合された第2部分、および前記第1部分と前記第2部分との間に配置された湾曲した第3部分を有する可撓性の身体支持部材とを提供するステップと、
前記身体支持部材の外面にわたって配置され、該身体支持部材の前記第3部分を覆うカバー部材を提供するステップであって、該カバー部材が、前記身体支持部材と前記キャリッジとのうちの一方または両方に係合して該一方または両方の下面側から上面側に折り返された折返し部を有し、該折返し部が、前記上面側に位置し前記支持構造体に対して固定結合された第1折返し部と、前記下面側に位置する第2折返し部と、前記第1折返し部と前記第2折返し部との間の折返し縁とを有するようにされている、ステップと、
前記キャリッジを前記支持構造体に対して第1長手方向に移動させて、前記第3部分を前記キャリッジとともに前記支持構造体に向かって移動させ、且つ前記折返し縁を前記第1長手方向に移動させるようにするステップと、
前記キャリッジを前記支持構造体に対して前記第1長手方向とは反対の第2長手方向に移動させて、前記第3部分を前記キャリッジとともに前記支持構造体から離れる方向に移動させ、且つ前記折返し縁を前記第2長手方向に移動させるようにするステップと、
を含む、方法。 - 前記身体支持部材が第1身体支持部材と第2身体支持部材とを備え、前記第1身体支持部材が前記第1部分の一部と前記第2部分と前記第3部分とを構成し、前記第2身体支持部部分が前記第1部分の残りの部分を構成しており、前記支持構造体が第2身体支持部材に結合され、該第1身体支持部材および該第2身体支持部材が少なくとも部分的に座部を画定し、前記第1身体支持部材の前記第1部分の一部が前記第2身体支持部材に結合される、請求項11に記載の方法。
- 前記第1折返し部が少なくとも一つのテザーを備える、請求項11に記載の方法。
- 前記キャリッジを移動させるステップが、前記キャリッジを前記支持構造体に対して並進移動させるステップを有する、請求項11に記載の方法。
- 前記キャリッジが、少なくとも一つの摺動部材によって前記支持構造体に並進可能に結合されている、請求項14に記載の方法。
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