公开(公告)号：US20170157471A1

公开(公告)日：2017-06-08

申请号：US15359268

申请日：2016-11-22

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Masahide ONUKI ,  Yuki MOTOKAWA ,  Naruhiro MIZUTANI

IPC: A63B53/02 ,  A63B53/04

CPC classification number: A63B53/02 ,  A63B53/0466

Abstract: A golf club 100 includes a head 200 having a hosel part 202, a shaft 300, and an engaging part 600 disposed at a tip part of the shaft 300. The engaging part 600 includes a sleeve 400 which has an oppositely tapered shape and is fixed to the tip part of the shaft 300. The hosel part 202 includes a hosel hole 204, and a hosel slit 206 which is provided on a side of the hosel hole 204 and enables the shaft 300 to pass through the hosel slit 206. The hosel hole 204 has an oppositely tapered hole having a shape corresponding to a shape of an outer surface of the engaging part 600. The engaging part 600 is fitted into the oppositely tapered hole.

公开(公告)号：US20150065265A1

公开(公告)日：2015-03-05

申请号：US14471651

申请日：2014-08-28

Applicant: Dunlop Sports Co. Ltd.

Inventor： Yuki MOTOKAWA ,  Michael J. KLINE

IPC: A63B53/06

CPC classification number: A63B60/00 ,  A63B53/04 ,  A63B53/0466 ,  A63B60/02 ,  A63B60/52 ,  A63B2053/0408 ,  A63B2053/0433 ,  A63B2053/0491

Abstract: A golf club head comprises a head main body having a hollow therein and a weight member having a specific gravity more than that of the head main body. The head main body has a face portion for hitting a ball and a sole portion continuous from the face portion to form a bottom surface of the club head. The weight member is disposed in the hollow and extends in the toe-heel direction. In a vertical cross section of the club head including the sweet spot, the weight member is arranged without contacting with the face portion and the sole portion.

Abstract translation: 一种高尔夫球杆头包括其中具有中空的头主体和具有比头主体的比重更大的比重的配重构件。 头主体具有用于击球的面部和从面部连续的底部，以形成球杆头的底面。 配重构件设置在中空部中，并且在脚跟方向上延伸。 在包括甜点的球杆头的垂直横截面中，配重构件被布置成不与面部部分和鞋底部分接触。

公开(公告)号：US20150005097A1

公开(公告)日：2015-01-01

申请号：US14305505

申请日：2014-06-16

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA

IPC: A63B53/06

CPC classification number: A63B53/04 ,  A63B53/02 ,  A63B53/0466 ,  A63B53/06 ,  A63B60/00 ,  A63B2053/0433 ,  A63B2053/0491

Abstract: A golf club includes a golf club head provided with a first hole and a second hole on its bottom side, a shaft detachably fixed to the golf club head, a weight member comprising a first weight member and a second weight member each detachably fixed to the golf club head, and a faster including a first fastener for fixing the shaft and the first weight member to the golf club head through the first hole, and a second fastener for fixing the second weight member to the golf club head through the second hole. The first weight member and the second weight member are configured as mutually replaceable weights so that the first weight member is fixed to the second hole using the second fastener and the second weight member is fixed to the first hole using the first fastener.

Abstract translation: 一种高尔夫球杆包括：高尔夫球杆头，其设置有第一孔和在其底侧上的第二孔，可拆卸地固定到高尔夫球杆头的轴，配重构件，其包括第一配重构件和第二配重构件，每个第一配重构件和第二配重构件可拆卸地固定到 高尔夫球杆头，并且包括用于通过第一孔将轴固定到高尔夫球杆头的第一紧固件的第一紧固件，以及通过第二孔将第二配重构件固定到高尔夫球杆头的第二紧固件。 第一配重构件和第二配重构件被构造为可相互替换的重物，使得第一配重构件使用第二紧固件固定到第二孔，并且第二配重构件使用第一紧固件固定到第一孔。

公开(公告)号：US20180311560A1

公开(公告)日：2018-11-01

申请号：US15643247

申请日：2017-07-06

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA ,  Naruhiro MIZUTANI ,  Jacob LAMBETH

IPC: A63B69/36 ,  A63B60/46 ,  A63B60/42

CPC classification number: A63B60/46 ,  A63B53/04 ,  A63B53/0466 ,  A63B60/42 ,  A63B69/3617 ,  A63B2053/045 ,  A63B2069/3605 ,  A63B2102/32 ,  A63B2220/803 ,  A63B2220/833

Abstract: A golf club head having a striking face configured to impact a golf ball comprises the striking face comprising an effective striking area, the effective striking area having an expected COR value, defined by the following expression, not less than 0.810, Expected   COR = ∑ i = 1 n  ∑ j = 1 m  p ij * c ij wherein pij is an impact probability at location or region (i, j) within the effective striking area, and cij is a COR value of the location or region (i, j).

公开(公告)号：US20160144245A1

公开(公告)日：2016-05-26

申请号：US14950693

申请日：2015-11-24

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Daisuke KOHNO ,  Yuki MOTOKAWA

IPC: A63B53/02

CPC classification number: A63B53/02 ,  A63B53/06 ,  A63B2053/022 ,  A63B2053/023 ,  A63B2053/025 ,  A63B2053/026 ,  A63B2053/027 ,  A63B2071/0694

Abstract: A golf club includes a shaft, a golf club head, a first adapter, a second adapter, and a fixing member that detachably fixes the second adapter to the first adapter. An internal space of the golf club head has a housing portion for housing the second adapter, and the housing portion is configured to regulate movement of the second adapter. A third opening portion that communicates with the housing portion and in which the second adapter can be inserted is formed in the surface of the golf club head. A first coupling portion of the first adapter is configured to incline relative to the shaft, and a second coupling portion of the second adapter is configured such that the first adapter is coupled at an angle to the second adapter.

Abstract translation: 高尔夫球杆包括轴，高尔夫球杆头，第一适配器，第二适配器和可拆卸地将第二适配器固定到第一适配器的固定构件。 高尔夫球杆头的内部空间具有用于容纳第二适配器的壳体部分，并且壳体部分构造成调节第二适配器的运动。 在高尔夫球杆头的表面中形成有与壳体部分连通并且第二适配器可插入其中的第三开口部分。 第一适配器的第一联接部分被配置为相对于轴倾斜，并且第二适配器的第二联接部分被配置为使得第一适配器以与第二适配器成一角度联接。

公开(公告)号：US20180178086A1

公开(公告)日：2018-06-28

申请号：US15855445

申请日：2017-12-27

Applicant: DUNLOP SPORTS CO. LTD. ,  SUMITOMO RUBBER INDUSTRIES, LTD.

Inventor： Masahide ONUKI ,  Hiroshi HASEGAWA ,  Naruhiro MIZUTANI ,  Yuki MOTOKAWA

IPC: A63B53/02

CPC classification number: A63B53/02 ,  A63B2053/023

Abstract: A golf club includes a head 200, a shaft 300, and a tip engagement part RT having a reverse-tapered shape and being disposed at a tip end portion of the shaft 300. The tip engagement part RT includes a sleeve 400 having a reverse-tapered shape and being fixed to the tip end portion of the shaft 300, and a spacer 500 having a reverse-tapered shape and being externally fitted to the sleeve 400. The spacer 500 has a divided structure. The hosel part 202 includes a hosel hole 204. The hosel hole 204 includes a reverse-tapered hole 206 corresponding to the shape of the outer surface of the tip engagement part RT. The hosel hole 204 allows the sleeve 400 to pass through the hosel hole 204. The tip engagement part RT is fitted to the reverse-tapered hole 206, and the sleeve 400 is fitted inside the spacer 500.

公开(公告)号：US20180078829A1

公开(公告)日：2018-03-22

申请号：US15688327

申请日：2017-08-28

Applicant: DUNLOP SPORTS CO. LTD. ,  SUMITOMO RUBBER INDUSTRIES, LTD.

Inventor： Masahide ONUKI ,  Yuki MOTOKAWA ,  Naruhiro MIZUTANI

IPC: A63B53/02 ,  A63B53/00 ,  A63B53/04

CPC classification number: A63B53/02 ,  A63B53/007 ,  A63B53/0466 ,  A63B53/047 ,  A63B2053/027 ,  A63B2102/32 ,  A63B2225/093

Abstract: A shaft of a golf club includes a reverse-tapered engagement part. The reverse-tapered engagement part includes a sleeve having a reverse-tapered shape, and a reverse-tapered outer surface. A hosel part of a head includes a reverse-tapered inner surface and a hosel slit. A hosel hole includes the reverse-tapered inner surface having a shape corresponding to that of the reverse-tapered outer surface. Either one of the reverse-tapered outer surface and the reverse-tapered inner surface includes an abutting engagement surface and a non-abutting engagement surface. The other of the reverse-tapered outer surface and the reverse-tapered inner surface includes a first abutting surface and the second abutting surface. In the golf club, a first state and a second state in which club lengths are different from each other can be achieved.

公开(公告)号：US20160144246A1

公开(公告)日：2016-05-26

申请号：US14947635

申请日：2015-11-20

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Masahide ONUKI ,  Yuki MOTOKAWA

IPC: A63B53/04

CPC classification number: A63B53/04 ,  A63B2053/0408 ,  A63B2053/0425 ,  A63B2053/0429 ,  A63B2060/002 ,  A63B2209/14

Abstract: A golf club head comprises a face portion having a club face for hitting a ball and comprising a composite part. The composite part has a layered structure comprising: a thin surficial layer made of a metal material for contacting with a ball; an intermediate elastic layer composed of a rubber-like elastic material disposed inside the thin surficial layer; and a back support layer made of a metal material disposed inside the intermediate elastic layer. In a front view of the club head, the intermediate elastic layer includes a center of the club face. The edge surface of the intermediate elastic layer is at least partially exposed at the outer surface of the club head.

Abstract translation: 高尔夫球杆头包括具有用于击球的球杆面的面部，并且包括复合部件。 所述复合部件具有层状结构，所述层状结构体包括：由与所述球接触的金属材料制成的薄表面层; 中间弹性层，其由设置在所述薄表面内的橡胶状弹性材料构成; 以及由设置在中间弹性层内部的金属材料制成的后支撑层。 在球杆头的前视图中，中间弹性层包括球杆面的中心。 中间弹性层的边缘表面至少部分地暴露在球杆头的外表面处。

公开(公告)号：US20150024866A1

公开(公告)日：2015-01-22

申请号：US14312257

申请日：2014-06-23

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA

IPC: A63B53/02

CPC classification number: A63B53/02 ,  A63B53/0466 ,  A63B2102/32

Abstract: A golf club includes a golf club head and a shaft attached to the golf club head, the golf club including the golf club head provided with a shaft insertion hole having an upper opening and a lower opening, the shaft insertion hole having an internal surface provided with an undercut groove, the shaft having a tip end, a shaft sleeve adaptor attached to the tip end of the shaft, the shaft sleeve adaptor inserted into the shaft insertion hole through the upper opening and having a first thread portion, a fastener comprising a second thread portion engaging with the first thread portion of the shaft sleeve adaptor through the lower opening of the shaft insertion hole, and a washer held in the undercut groove of the shaft insertion hole and disposed between the fastener and the shaft sleeve adaptor.

Abstract translation: 一种高尔夫球杆包括高尔夫球杆头和连接到高尔夫球杆头上的轴，该高尔夫球杆包括设置有具有上开口和下开口的轴插孔的高尔夫球杆头，该轴插入孔具有内表面， 具有底切槽，所述轴具有尖端，连接到所述轴的末端的轴套适配器，所述轴套适配器通过所述上开口插入到所述轴插入孔中，并具有第一螺纹部分，所述紧固件包括： 第二螺纹部分通过轴插入孔的下开口与轴套适配器的第一螺纹部分接合，以及垫圈，其保持在轴插入孔的底切槽中并且设置在紧固件和轴套适配器之间。

公开(公告)号：US20160059091A1

公开(公告)日：2016-03-03

申请号：US14843348

申请日：2015-09-02

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA

IPC: A63B53/04

CPC classification number: A63B53/0466 ,  A63B53/04 ,  A63B2053/045

Abstract: Provided is a golf club head having a reduced weight while also preventing degradation in the ball hitting sound. The golf club head includes a head body that is a hollow structure, and a rib that rises from an inner surface of the head body. An opening having a non-circular shape is formed in a side surface of the rib. Note that the opening referred to here may be a through-hole or an opening that has a bottom.

Abstract translation: 提供一种具有减轻重量的高尔夫球杆头，同时还防止球击球声音的劣化。 高尔夫球杆头包括头部本体，其是中空结构，以及从头部本体的内表面上升的肋。 在肋的侧面形成具有非圆形形状的开口。 注意，这里提及的开口可以是具有底部的通孔或开口。