JP2021137591A - ゴルフ用クラブヘッド - Google Patents
ゴルフ用クラブヘッド Download PDFInfo
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- JP2021137591A JP2021137591A JP2021076997A JP2021076997A JP2021137591A JP 2021137591 A JP2021137591 A JP 2021137591A JP 2021076997 A JP2021076997 A JP 2021076997A JP 2021076997 A JP2021076997 A JP 2021076997A JP 2021137591 A JP2021137591 A JP 2021137591A
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Abstract
Description
本開示は、一般にゴルフ用クラブに関し、より具体的には特性時間(CT)の制御及び調整機構を有するゴルフ用クラブのヘッドに関する。
現代の「ウッドタイプ」のゴルフ用クラブ(特に、「ドライバー」、「フェアウェイウッド」、及び「ユーティリティ又はハイブリッドクラブ」)は、チタンのような強度の高い、軽量の金属で作られる傾向があるため、一般に「メタルウッド」と呼ばれる。ドライバー又はフェアウェイウッドのような、例示的なメタルウッドゴルフ用クラブは、典型的に、中空シャフトと、シャフトの下端に結合されたゴルフ用クラブヘッドとを含む。最新のクラブヘッドの大部分は、少なくとも一部がチタン合金のような軽量だが強度の高い金属から作られている。ほとんどの場合、ゴルフ用クラブヘッドは、フェース部を有する中空本体を含む。フェース部は、適切なゴルフスイング中にゴルフボールと接触するように構成された、打撃プレートとして知られる前面を有する。
本出願の主題は、現在の最先端技術に対応して、特に、現在利用可能な技術によってまだ完全に解決されていないゴルフ用クラブ及び関連するゴルフ用クラブヘッドの欠点に対応して開発された。従って、本出願の主題は、先行技術の上述した欠点の少なくともいくつかを克服するゴルフ用クラブ及びゴルフ用クラブヘッドを提供するために開発された。
以下はドライバータイプのゴルフ用クラブの文脈でゴルフ用クラブヘッドの実施形態を説明するが、記載された原理、方法及び設計はフェアウェイウッド、ユーティリティクラブ(ハイブリッドクラブとしても知られる)等に全体的又は部分的に適用可能である。
及び略語PSFを有し、商品名Udel(登録商標)、Ultrason(登録商標)S、Eviva(登録商標)、RTP PSUとして販売されているポリスルホン;(b)塩基の存在下で4,4’−ジヒドロキシジフェニルと4,4’−ジクロロジフェニルスルホンとの縮合重合によって製造され、主な繰り返し構造
及び略語PPSFを有し、そして時に「ポリエーテルスルホン」と呼ばれ、Ultrason(登録商標)E、LNP(登録商標)、Veradel(登録商標)PESU、Sumikaexce、及びVICTREX(登録商標)樹脂の商品名で販売されている縮合ポリマー、並びにそれらいずれか及び全ての組み合わせを含む。
Claims (23)
- 内部空洞を規定し、
ゴルフ用クラブヘッドの底部領域に配置されたソール部であって、ソール表面領域を有するソール部;
ゴルフ用クラブヘッドの頂部領域に配置されたクラウン部であって、クラウン表面領域を有するクラウン部;
前記ソール部と前記クラウン部との間でゴルフ用クラブヘッドの周囲に配置されたスカート部;
前方領域;
前記前方領域の反対側の後方領域;
ヒール領域;及び
前記ヒール領域の反対側のトウ領域を含む本体、
前記本体の前記前方領域で前記本体に結合され、打撃フェース、及び前記打撃フェースの反対側の内面を含むフェース部を備えるゴルフ用クラブヘッド。ただし、
前記フェース部は異なる厚さを有し;
前記ゴルフ用クラブヘッドの前記クラウン部の面積重量は、前記クラウン部の全表面領域の約50%以上にわたって約0.35g/cm2未満であり;
前記ゴルフ用クラブヘッドの前記ソール部の面積重量は、前記ソール部の全表面領域の約50%以上にわたって約0.35g/cm2未満であり;
前記打撃フェースは、前記打撃フェースの中心を中心とし、ヒール−トウ方向に細長い40ミリメートル×20ミリメートルの矩形領域によって規定される中心領域を有し;
前記中心領域内において、前記フェース部の最大厚さは5mm以下であり、前記フェース部の最小厚さは2.4mm以上であり;
前記中心領域内において、前記打撃フェースは、257マイクロ秒以下の特性時間(CT)を有し;
前記中心領域内において、前記打撃フェースの25%以上は、少なくとも0.8の反発係数(COR)を有し;
前記中心領域内において、前記打撃フェースの60%以上は、少なくとも235マイクロ秒のCTを有し;及び
前記中心領域内において、前記打撃フェースの50%以上は、少なくとも240マイクロ秒のCTを有する。 - 前記打撃フェースの20%以上は、少なくとも245マイクロ秒のCTを有する請求項1に記載のゴルフ用クラブヘッド。
- 前記中心領域内の前記打撃フェースの少なくとも60%は、少なくとも240マイクロ秒のCTを有する請求項1に記載のゴルフ用クラブヘッド。
- 前記中心領域内の前記打撃フェースの少なくとも40%は、少なくとも245マイクロ秒のCTを有する請求項1に記載のゴルフ用クラブヘッド。
- 前記中心領域内の前記打撃フェースの少なくとも10%は、少なくとも250マイクロ秒のCTを有する請求項1に記載のゴルフ用クラブヘッド。
- 前記打撃フェースの中心から少なくとも5ミリメートル内の前記打撃フェース上の任意の位置におけるCTは、240マイクロ秒より大きい請求項1に記載のゴルフ用クラブヘッド。
- 前記ゴルフ用クラブヘッドは、約−5mm乃至約5mmのヘッドセンターフェース原点x軸座標及び約25mm乃至約50mmのヘッドセンターフェース原点y軸座標、並びに2mm未満のセンターフェースヘッド原点z軸座標を有する重心(CG)、を有する請求項1に記載のゴルフ用クラブヘッド。
- 前記ゴルフ用クラブヘッドは、約350cm3乃至約500cm3の体積、ヘッド重心z軸周りの慣性モーメント(Izz)、及びヘッド重心x軸周りの慣性モーメント(Ixx)を有する請求項1に記載のゴルフ用クラブヘッド。
- IzzとIxxの合計は約740kg・mm2乃至約1100kg・mm2である請求項8に記載のゴルフ用クラブヘッド。
- 前記本体の前記内部空洞内に配置され、前記フェース部の前記内面と直接に接触する補強材をさらに含み、前記補強材は、少なくともショア5.95Dの硬度を有する材料で作られている請求項1に記載のゴルフ用クラブヘッド。
- 前記本体の前記内部空洞内に配置され、前記フェース部の前記内面と直接に接触する複数の補強材をさらに含み、前記複数の補強材は、前記本体と同じ材料で作られた複数のリブである請求項1に記載のゴルフ用クラブヘッド。
- 前記複数のリブは、前記フェース部と前記クラウン部との間の移行部に近接して配置されている請求項11に記載のゴルフ用クラブヘッド。
- 前記複数のリブのうち少なくとも一つは、+15mm乃至+25mmのヘッド原点x軸座標を有し、前記複数のリブのうち少なくとも一つは、−15mm乃至−25mmのヘッド原点x軸座標を有する請求項11に記載のゴルフ用クラブヘッド。
- 前記本体の前記内部空洞内に配置され、ヘッド原点y軸に沿って測定したときに、少なくとも1mmで20mm以下だけ前記フェース部の内面からオフセットされた複数の補強材をさらに含み、前記複数の補強材は、前記クラウン部の内面と前記ソール部の内面との間に延びる細長い補強部材である請求項1に記載のゴルフ用クラブヘッド。
- 前記複数の補強材は、二つ又はそれ以上のブレースバーを含み;かつ
前記二つ又はそれ以上のブレースバーは、0.005g/mm乃至0.40g/mmの単位長さ当たりの質量をそれぞれ有する請求項14に記載のゴルフ用クラブヘッド。 - 前記複数の補強材のうち少なくとも一つは、+15mm乃至+25mmのヘッド原点x軸座標を有し、前記複数の補強材のうち少なくとも一つは、−15mm乃至−25mmのヘッド原点x軸座標を有する請求項14に記載のゴルフ用クラブヘッド。
- 前記フェース部の最大厚さは4mm以下である請求項1に記載のゴルフ用クラブヘッド。
- 前記フェース部の最小厚さは3mm未満である請求項1に記載のゴルフ用クラブヘッド。
- 前記本体及び前記フェース部は、一体で、単一のモノリシック構造を形成する請求項1に記載のゴルフ用クラブヘッド。
- 前記フェース部は、フェース開口部と、前記フェース開口部に溶接された打撃プレートとを有する請求項1に記載のゴルフ用クラブヘッド。
- 前記ソール部から直立して突出し、ヒール−トウ方向において長手方向に延び、15GPa乃至350GPaの第1の弾性係数を有する第1の材料で作られている第1の壁;及び
前記本体の前記内部空洞内に配置され、前記フェース部の前記内面と前記第1の壁との間に配置された補強材をさらに含み、前記補強材は、前記第1の弾性係数未満の第2の弾性係数を有する第2の材料で作られ、前記第2の弾性係数は、0.5GPa乃至30GPaであり、前記第2の材料は、少なくともショア5.95Dの硬度を有し、かつ前記補強材は、前記フェース部の前記内面に直接に接触する請求項1に記載のゴルフ用クラブヘッド。 - 前記ゴルフ用クラブヘッドはさらに、前記ソール部から直立して突出し、一般的に前後方向において長手方向に延び、前記第1の弾性係数未満の第3の弾性係数を有する第3の材料で作られている第2の壁を含み;
前記第2の弾性係数は、前記第3の弾性係数より大きく;
前記補強材は、前記第2の壁に当接し;
前記ゴルフ用クラブヘッドはさらに、前記ソール部から直立して突出し、一般的に前後方向において長手方向に延び、前記ヒール−トウ方向に平行な方向に前記第2の壁から離間して、前記第3の材料で作られている第3の壁を含み;
前記補強材は、前記第3の壁に当接し、前記第2の壁と前記第3の壁との間に配置されている請求項21に記載のゴルフ用クラブヘッド。 - 前記第1の材料はチタン又は鋼のうちの一つであり;
前記第2の材料は発泡体であり;
前記第3の材料はアクリルである請求項22に記載のゴルフ用クラブヘッド。
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US15/857,407 US10188915B1 (en) | 2017-12-28 | 2017-12-28 | Golf club head |
US15/857,407 | 2017-12-28 | ||
US16/167,078 US10589155B2 (en) | 2017-12-28 | 2018-10-22 | Golf club head |
US16/167,078 | 2018-10-22 | ||
US201862772560P | 2018-11-28 | 2018-11-28 | |
US62/772,560 | 2018-11-28 | ||
US16/223,108 US10695621B2 (en) | 2017-12-28 | 2018-12-17 | Golf club head |
US16/223,108 | 2018-12-17 | ||
JP2018244805A JP6957446B2 (ja) | 2017-12-28 | 2018-12-27 | ゴルフ用クラブヘッド |
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US20200353322A1 (en) | 2020-11-12 |
JP6957446B2 (ja) | 2021-11-02 |
TW201929926A (zh) | 2019-08-01 |
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CN109985362A (zh) | 2019-07-09 |
US20190201754A1 (en) | 2019-07-04 |
US10695621B2 (en) | 2020-06-30 |
CN113457091A (zh) | 2021-10-01 |
CN113457091B (zh) | 2022-11-08 |
TWI685365B (zh) | 2020-02-21 |
JP7500493B2 (ja) | 2024-06-17 |
US20220241653A1 (en) | 2022-08-04 |
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US11253756B2 (en) | 2022-02-22 |
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