公开(公告)号：US09623290B2

公开(公告)日：2017-04-18

申请号：US14811456

申请日：2015-07-28

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi Nakamura

IPC: A63B53/10 ,  A63B53/00 ,  A63B53/14 ,  A63B53/04

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)

公开(公告)号：US09265992B2

公开(公告)日：2016-02-23

申请号：US13860737

申请日：2013-04-11

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi Nakamura

IPC: A63B53/02

CPC classification number: A63B53/02 ,  A63B2053/023

Abstract: A golf club 2 includes a head 4, a shaft 6, and a fixing member Fx1. The head 4 has a hosel part 4h capable of swingably supporting the shaft 6. The shaft 6 has a tip connecting part 6t capable of being connected to the fixing member Fx1. The fixing member Fx1 has a connector 12 capable of being connected to the shaft 6, a first sliding member S1 capable of engaging the connector 12 with a plurality of positions in a first direction D1, and a second sliding member S2 capable of engaging the first sliding member S1 with a plurality of positions in a second direction D2. A movement of the connector 12 in the first direction D1 and a movement of the connector 12 in the second direction D2 are independent of each other.

Abstract translation: 高尔夫球杆2包括头部4，轴6和固定构件Fx1。 头部4具有能够可摆动地支撑轴6的插鞘部分4h。轴6具有能够连接到固定构件Fx1的末端连接部6t。 固定构件Fx1具有能够连接到轴6的连接器12，能够使连接器12沿第一方向D1与多个位置接合的第一滑动构件S1和能够接合第一方向的第二滑动构件S2 滑动构件S1具有沿第二方向D2的多个位置。 连接器12沿第一方向D1的移动和连接器12沿第二方向D2的移动是彼此独立的。

公开(公告)号：US09220952B2

公开(公告)日：2015-12-29

申请号：US14337477

申请日：2014-07-22

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi Nakamura

IPC: A63B53/00 ,  A63B59/00 ,  A63B53/10

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 Wc 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。 头部重量Wh和球杆重量Wc之间的比（Wh / Wc）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。 通过等式（1）计算惯性力矩Ix（kg·cm2）：Ix = Wc×（Lc + 60）2 + Ic（1）。

公开(公告)号：US08998743B2

公开(公告)日：2015-04-07

申请号：US13644468

申请日：2012-10-04

Applicant: Dunlop Sports Co. Ltd.

Inventor： Takashi Nakamura ,  Hiroshi Hasegawa ,  Takashi Nakano

IPC: A63B53/10 ,  A63B53/00 ,  A63B53/04 ,  A63B53/14

CPC classification number: A63B53/10 ,  A63B53/00 ,  A63B53/04 ,  A63B53/0466 ,  A63B53/14 ,  A63B60/24 ,  A63B60/42 ,  A63B2053/0408 ,  A63B2053/0412 ,  A63B2209/00 ,  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. Furthermore, a grip weight is not smaller than 27 g but not larger than 45 g, and when a distance from the front end of the shaft to a center of gravity the shaft is LG and when a full length of the shaft is LS, 0.54≦LG/LS≦0.65 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。 此外，握把重不小于27g但不大于45g，并且当从轴的前端到重心的距离为轴时，轴为LG，当轴的全长为LS时，为0.54 ＆nlE; LG / LS＆nlE; 0.65满意。

公开(公告)号：US10369431B2

公开(公告)日：2019-08-06

申请号：US15299890

申请日：2016-10-21

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi Nakamura ,  Daisuke Kohno

IPC: A63B53/04

Abstract: A head includes a head body and a face plate fixed to the head body. The face plate includes a plate front surface, a plate back surface, and a plate side surface. The plate back surface includes a center of figure. The head body includes a receiving surface which supports the plate back surface from rear. An outer peripheral edge part of the plate back surface includes a projection part which abuts on the receiving surface. If a toe-side region, a top-side region, and a sole-side region of the projection part are defined as a first section, and a heel-side region of the projection part is defined as a second section, then a width of the projection part is varied in the first section.

公开(公告)号：US09079075B2

公开(公告)日：2015-07-14

申请号：US13644445

申请日：2012-10-04

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi Nakamura ,  Hiroshi Hasegawa ,  Takashi Nakano

IPC: A63B53/10 ,  A63B53/00 ,  A63B59/00 ,  A63B53/04

CPC classification number: A63B60/00 ,  A63B53/00 ,  A63B53/0466 ,  A63B60/42 ,  A63B2053/0408 ,  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 smaller 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 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, 0.55≦LG/LS≦0.67 is satisfied, and when a frequency of flexural vibration of the club is F, 240 cpm≦F≦280 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。 俱乐部重量不小于290g，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0.72。 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0.55＆nlE; LG / LS＆nlE; 0.67，并且当弯曲振动的频率 俱乐部是F，240 cpm＆nlE; F＆nlE; 280 cpm满意。

公开(公告)号：US09975016B2

公开(公告)日：2018-05-22

申请号：US15385267

申请日：2016-12-20

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi Nakamura ,  Takahiro Norimura ,  Naruhiro Mizutani ,  Daisuke Kohno

IPC: A63B53/04

CPC classification number: A63B53/047 ,  A63B53/04 ,  A63B2053/0408 ,  A63B2053/0416 ,  A63B2053/0445

Abstract: A head 2 includes a head body h1 and a face plate p1. The face plate p1 includes a plate front surface f1 having a hitting face 4, and a plate back surface b1. The plate front surface f1 has, on a peripheral edge part thereof, a step surface t1 positioned at a rear with respect to the hitting face 4. The head body h1 has a receipt surface u1 positioned at a rear of the plate back surface b1, a front disposition part z1 positioned at a front of the step surface t1, and a hosel 6. The front disposition part z1 includes a plastically deformed part d1 and a non-plastically deformed part n1. A clearance between the non-plastically deformed part n1 and the receipt surface u1 forms an engaging part E1 engaging a peripheral edge part of the face plate p1.

公开(公告)号：US09586107B2

公开(公告)日：2017-03-07

申请号：US14848857

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: A63B53/10 ,  A63B53/00 ,  A63B53/14

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

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 2820 (kg·cm2) or greater and less than 2870 (kg·cm2). Isw/Ige is equal to or less than 2.42. 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2820（kg·cm2）以上且小于2870（kg·cm2）。 Isw / Ige等于或小于2.42。 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：US09555299B2

公开(公告)日：2017-01-31

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ρ1的上跟部侧区域，具有比重ρ2的下跟侧区域，具有比重ρ3的上中间区域，具有比重的下中间区域 ρ4，具有比重ρ5的上趾侧区域和比重ρ6的下趾侧区域满足以下条件：ρ1<ρ2，ρ3<ρ4，ρ5<ρ6，ρ4<ρ2，ρ4<ρ6 ，ρ3<ρ1，ρ3<ρ5。 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。

公开(公告)号：US09211459B2

公开(公告)日：2015-12-15

申请号：US14336131

申请日：2014-07-21

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Takashi Nakamura

IPC: A63B53/00 ,  A63B53/10 ,  A63B59/00

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）。