公开(公告)号：US20160067567A1

公开(公告)日：2016-03-10

申请号：US14849148

申请日：2015-09-09

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Naoyoshi UEDA ,  Masahiko UEDA ,  Yasushi SUGIMOTO ,  Takashi NAKAMURA ,  Seiji HAYASE ,  Wataru KIMIZUKA

IPC: A63B53/04 ,  A63B53/14

CPC classification number: A63B53/0466 ,  A63B53/00 ,  A63B53/10 ,  A63B53/14 ,  A63B60/02 ,  A63B60/42

Abstract: A golf club 2 includes a head 4, a shaft 6, and a grip 8. A club inertia moment about a swing axis is defined as Isw. A club inertia moment about a grip end is defined as Ige. Ige is 2920 (kg·cm2) or greater and less than 2970 (kg·cm2). Isw/Ige is equal to or less than 2.48. A club weight is defined as Wc (kg), an axial direction distance from the grip end to a center of gravity of the club is defined as Lc (cm), and a club inertia moment about the center of gravity of the club is defined as Ic (kg·cm2). Isw is calculated by Equation (1) below. Ige is calculated by Equation (2) below. Isw=Wc×(Lc+60)2+Ic  (1) Ige=Wc×(Lc)2+Ic  (2)

Abstract translation: 高尔夫球杆2包括头部4，轴6和把手8.围绕摆动轴线的球杆惯性矩被定义为Isw。 关于握柄端的球杆惯性力矩定义为Ige。 Ige为2920（kg·cm2）以上且小于2970（kg·cm2）。 Isw / Ige等于或小于2.48。 球杆重量被定义为Wc（kg），从球杆的抓握端到重心的轴向距离定义为Lc（cm），并且围绕球杆的重心定义球杆惯性力矩 作为Ic（kg·cm 2）。 Isw由下面的等式（1）计算。 Ige由下式（2）计算。 Isw = Wc×（Lc + 60）2 + Ic（1）Ige = Wc×（Lc）2 + Ic（2）

公开(公告)号：US20150328507A1

公开(公告)日：2015-11-19

申请号：US14811456

申请日：2015-07-28

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi NAKAMURA

IPC: A63B53/04 ,  A63B53/14

CPC classification number: A63B60/00 ,  A63B53/00 ,  A63B53/0466 ,  A63B53/10 ,  A63B2053/0408 ,  A63B2209/023 ,  A63B2225/02

Abstract: A club 2 includes a head 4, a shaft 6 and a grip 8. A club length L1 is 45 inches or greater and 48 inches or less. A ratio (Wh/Wc) of a head weight Wh to a club weight Wc is equal to or greater than 0.71. A moment of inertia Ix about an axis of a swing is equal to or less than 6.90×103 (kg·cm2). However, when the club weight is defined as Wc (kg); an axial-directional distance between a grip end and a center of gravity of the club is defined as Lc (cm); and a moment of inertia about the center of gravity of the club is defined as Ic (kg·cm2), the moment of inertia Ix (kg·cm2) is calculated by the following formula (1). Ix=Wc×(Lc+60)2+Ic   (1)

Abstract translation: 球杆2包括头部4，轴6和手柄8.球杆长度L1为45英寸或更大且48英寸或更小。 头部重量Wh与俱乐部重量Wc的比（Wh / Wc）等于或大于0.71。 关于摆动轴的惯性矩Ix等于或小于6.90×10 3（kg·cm 2）。 然而，当球杆重量定义为Wc（kg）时; 把手端和球杆的重心之间的轴向距离定义为Lc（cm）; 并且关于球杆重心的惯性矩被定义为Ic（kg·cm 2），惯性矩Ix（kg·cm2）由下式（1）计算。 Ix = Wc×（Lc + 60）2 + Ic（1）

公开(公告)号：US20150031467A1

公开(公告)日：2015-01-29

申请号：US14337477

申请日：2014-07-22

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi NAKAMURA

IPC: A63B53/00

CPC classification number: A63B53/0466 ,  A63B53/00 ,  A63B53/10 ,  A63B53/14 ,  A63B60/00 ,  A63B60/42 ,  A63B2209/023

Abstract: A club includes a head, a shaft, and a grip. A club length L1 is 43 inches or greater and 48 inches or less. A ratio (Wh/Wc) between a head weight Wh and a club weight We is equal to or greater than 0.70. An inertia moment Ix about swing axis is 6.90×103 (kg·cm2) or greater and 7.50×103 (kg·cm2) or less. A static moment Mt (kg·cm) of the club is equal to or greater than 16.3 (kg·cm). The frequency of vibration of club is 240 (cpm) or greater and 280 (cpm) or less. The inertia moment Ix (kg·cm2) is calculated by Equation (1): Ix=Wc×(Lc+60)2+Ic  (1)

Abstract translation: 俱乐部包括一个头部，一个轴和一个手柄。 球杆长度L1为43英寸或更大且48英寸或更小。 头重量Wh和球杆重量之间的比（Wh / Wc）We等于或大于0.70。 关于摆动轴的惯性矩Ix为6.90×10 3（kg·cm 2）以上且7.50×10 3（kg·cm 2）以下。 球杆的静态力矩（kg·cm）等于或大于16.3（kg·cm）。 俱乐部的振动次数为240（cpm）以上，280（cpm）以下。 惯性矩Ix（kg·cm2）由式（1）计算：Ix = Wc×（Lc + 60）2 + Ic（1）

公开(公告)号：US20150024865A1

公开(公告)日：2015-01-22

申请号：US14336131

申请日：2014-07-21

Applicant: Dunlop Sports Co. Ltd.

Inventor： Takashi NAKAMURA

IPC: A63B53/08

CPC classification number: A63B53/0466 ,  A63B53/00 ,  A63B53/10 ,  A63B53/14 ,  A63B60/42 ,  A63B2209/023

Abstract: The club length of a golf club is 43 inches or greater and 48 inches or less. A club inertia moment Ix about a swing axis is equal to or less than 6.90×103 (kg·cm2). A ratio (Ihs/Ix) is equal to or greater than 0.88, if a head inertia moment about the swing axis is defined as Ihs (kg·cm2). The inertia moment Ix (kg·cm2) is calculated by Equation (1) below, and the inertia moment Ihs (kg·cm2) is calculated by Equation (2) below: Ix=Wc×(Lc+60)2+Ic  (1) Ihs=Wh×(Lh+60)2+Ih  (2).

Abstract translation: 高尔夫球杆的球杆长度为43英寸或更大且48英寸或更小。 围绕摆动轴的球杆惯性力矩Ix等于或小于6.90×10 3（kg·cm 2）。 如果围绕摆动轴的头部惯性矩定义为Ihs（kg·cm2），则比率（Ihs / Ix）等于或大于0.88。 惯性矩Ix（kg·cm2）由下式（1）计算，惯性力矩Ihs（kg·cm2）由下式（2）计算：Ix = Wc×（Lc + 60）2 + Ic 1）Ihs = Wh×（Lh + 60）2 + Ih（2）。

公开(公告)号：US20130095945A1

公开(公告)日：2013-04-18

申请号：US13644864

申请日：2012-10-04

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi NAKAMURA ,  Hiroshi HASEGAWA ,  Takashi NAKANO

IPC: A63B53/00

CPC classification number: A63B60/00 ,  A63B53/00 ,  A63B53/04 ,  A63B53/0466 ,  A63B53/14 ,  A63B60/42 ,  A63B2053/0408 ,  A63B2060/002 ,  A63B2209/02 ,  A63B2209/023

Abstract: Provided is a golf club having a head disposed at a front end of a shaft and a grip disposed at a back end of the shaft. A club weight is not larger than 265 g, and a ratio (head weight/club weight) of a head weight to a club weight is not lower than 0.67 but not higher than 0.75. When a distance from the front end of the shaft to a center of gravity of the shaft is LG and when a full length of the shaft is LS, 0.52≦LG/LS≦0.65 is satisfied, and when a frequency of flexural vibration of the club is F, 180 cpm≦F≦210 cpm is satisfied.

Abstract translation: 提供一种高尔夫球杆，其具有设置在轴的前端的头部和设置在轴的后端的把手。 俱乐部重量不大于265g，头重与球杆重量的比率（头重/球杆重量）不低于0.67但不高于0.75。 当从轴的前端到轴的重心的距离为LG时，当轴的全长为LS时，满足0.52 @ LG / LS @ 0.65，并且当弯曲振动的频率为 俱乐部是F，180 cpm @ F @ 210 cpm满意。

公开(公告)号：US20160067565A1

公开(公告)日：2016-03-10

申请号：US14848999

申请日：2015-09-09

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Naoyoshi UEDA ,  Masahiko UEDA ,  Yasushi SUGIMOTO ,  Takashi NAKAMURA ,  Seiji HAYASE ,  Wataru KIMIZUKA

IPC: A63B53/04 ,  A63B53/14

CPC classification number: A63B53/0466 ,  A63B53/00 ,  A63B53/10 ,  A63B53/14 ,  A63B60/02 ,  A63B60/42

Abstract: A golf club 2 includes a head 4, a shaft 6, and a grip 8. A club inertia moment about a swing axis is defined as Isw. A club inertia moment about a grip end is defined as Ige. Ige is 2870 (kg·cm2) or greater and less than 2920 (kg·cm2). Isw/Ige is equal to or less than 2.46. A club weight is defined as Wc (kg), an axial direction distance from the grip end to a center of gravity of the club is defined as Lc (cm), and a club inertia moment about the center of gravity of the club is defined as Ic (kg·cm2). Isw is calculated by Equation (1) below. Ige is calculated by Equation (2) below. Isw=Wc×(Lc+60)2+Ic  (1) Ige=Wc×(Lc)2+Ic  (2)

Abstract translation: 高尔夫球杆2包括头部4，轴6和把手8.围绕摆动轴线的球杆惯性矩被定义为Isw。 关于握柄端的球杆惯性力矩定义为Ige。 Ige为2870（kg·cm2）以上且小于2920（kg·cm2）。 Isw / Ige等于或小于2.46。 球杆重量被定义为Wc（kg），从球杆的抓握端到重心的轴向距离定义为Lc（cm），并且围绕球杆的重心定义球杆惯性力矩 作为Ic（kg·cm 2）。 Isw由下面的等式（1）计算。 Ige由下式（2）计算。 Isw = Wc×（Lc + 60）2 + Ic（1）Ige = Wc×（Lc）2 + Ic（2）

公开(公告)号：US20150087435A1

公开(公告)日：2015-03-26

申请号：US14492803

申请日：2014-09-22

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi NAKAMURA

IPC: A63B53/00

CPC classification number: A63B53/0466 ,  A63B53/00 ,  A63B53/10 ,  A63B60/00 ,  A63B60/42 ,  A63B2053/0408 ,  B29C70/32 ,  B29C70/545 ,  B29K2063/00 ,  B29K2105/0881 ,  B29K2307/04 ,  B29L2031/5227

Abstract: A club 2 includes a head 4, a shaft 6 and a grip 8. A club length L1 is equal to or greater than 43 inches and equal to or less than 48 inches. A frequency of the club is equal to or greater than 240 (cpm) and equal to or less than 290 (cpm). A club inertia moment Ix is equal to or greater than 6.90×103 (kg·cm2) and equal to or less than 7.50×103 (kg·cm2). A ratio Iss/Ix is equal to or greater than 0.085 and equal to or less than 0.115. The inertia moment Ix is a club inertia moment about a swing axis Zx. The moment Iss is a shaft inertia moment about the swing axis Zx.

Abstract translation: 俱乐部2包括头部4，轴6和手柄8.球棒长度L1等于或大于43英寸并且等于或小于48英寸。 俱乐部的频率等于或大于240（cpm），等于或小于290（cpm）。 球杆惯性力矩Ix等于或大于6.90×103（kg·cm2），等于或小于7.50×103（kg·cm2）。 比率Iss / Ix等于或大于0.085且等于或小于0.115。 惯性矩Ix是围绕摆动轴Zx的球杆惯性力矩。 Is是关于摆动轴Zx的轴惯性矩。

公开(公告)号：US20130095946A1

公开(公告)日：2013-04-18

申请号：US13644949

申请日：2012-10-04

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi NAKAMURA ,  Hiroshi HASEGAWA ,  Takashi NAKANO

IPC: A63B53/00

CPC classification number: A63B60/00 ,  A63B53/00 ,  A63B53/04 ,  A63B53/0466 ,  A63B53/14 ,  A63B60/42 ,  A63B2053/0408 ,  A63B2060/002 ,  A63B2209/02 ,  A63B2209/023

Abstract: Provided is a golf club having a head disposed at a front end of a shaft and a grip disposed at a back end of the shaft. A club weight is not larger than 290 g, and a ratio (head weight/club weight) of a head weight to a club weight is not lower than 0.67 but not higher than 0.72. When an inertia moment of the club at a grip end is MI, 2700 kg·cm2≦MI≦3000 kg·cm2 is satisfied, and when a frequency of flexural vibration of the club is F, 190 cpm≦F≦230 cpm is satisfied.

Abstract translation: 提供一种高尔夫球杆，其具有设置在轴的前端的头部和设置在轴的后端的把手。 俱乐部重量不大于290g，头重与球杆重量之比（头重/球杆重量）不低于0.67但不高于0.72。 当握柄端的球杆的惯性力矩为MI时，满足2700kg·cm2 @ MI @ 3000kg·cm2的情况，并且当球杆的弯曲振动频率为F时，满足190cpm @ F @ 230cpm 。

公开(公告)号：US20160310807A1

公开(公告)日：2016-10-27

申请号：US15199317

申请日：2016-06-30

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi NAKAMURA

IPC: A63B53/04 ,  A63B60/42 ,  A63B53/10

CPC classification number: A63B53/0466 ,  A63B53/00 ,  A63B53/10 ,  A63B60/00 ,  A63B60/42 ,  A63B2053/0408 ,  B29C70/32 ,  B29C70/545 ,  B29K2063/00 ,  B29K2105/0881 ,  B29K2307/04 ,  B29L2031/5227

Abstract: A club 2 includes a head 4, a shaft 6 and a grip 8. A club length L1 is equal to or greater than 43 inches and equal to or less than 48 inches. A frequency of the club is equal to or greater than 240 (cpm) and equal to or less than 290 (cpm). A club inertia moment Ix is equal to or greater than 6.90×103 (kg·cm2) and equal to or less than 7.50×103 (kg·cm2). A ratio Iss/Ix is equal to or greater than 0.085 and equal to or less than 0.115. The inertia moment Ix is a club inertia moment about a swing axis Zx. The moment Iss is a shaft inertia moment about the swing axis Zx.

公开(公告)号：US20160184665A1

公开(公告)日：2016-06-30

申请号：US14970059

申请日：2015-12-15

Applicant: Dunlop Sports Co. Ltd.

Inventor： Takashi NAKAMURA ,  Takahiro NORIMURA

IPC: A63B53/04

CPC classification number: A63B53/047 ,  A63B60/02 ,  A63B2053/0408 ,  A63B2053/042 ,  A63B2053/0433 ,  A63B2053/0491

Abstract: An iron-type golf club head comprises an upper heel-side region having a specific gravity ρ1, a lower heel-side region having a specific gravity ρ2, an upper middle region having a specific gravity ρ3, a lower middle region having a specific gravity ρ4, an upper toe-side region having a specific gravity ρ5 and a lower toe-side region having a specific gravity ρ6 which satisfy the following conditions: ρ1

Abstract translation: 铁型高尔夫球杆头包括具有比重的上跟部侧区域1，具有比重的下跟侧区域2，具有比重的上中间区域3，下部 4，具有比重的上趾侧区域和具有比重的下趾侧区域，满足以下条件：＆lt; 1＆lt; 2＆gt; 2 ，＆rgr; 3 <＆rgr; 4，＆rgr; 5 <＆rgr; 6，＆rgr; 4 <＆rgr; 2，＆rgr; 4 <＆rgr; 6，＆rgr; 3 <＆rgr; 1和＆rgr; 3 <＆rgr; 这六个区域由水平面，脚趾侧垂直平面和后跟侧垂直平面划分。