公开(公告)号：US20180178091A1

公开(公告)日：2018-06-28

申请号：US15855464

申请日：2017-12-27

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Naruhiro MIZUTANI

IPC: A63B53/04

CPC classification number: A63B53/0466 ,  A63B2053/0416 ,  A63B2053/0433 ,  A63B2053/0458

Abstract: A golf club head according to the present invention includes a face portion, a crown portion, and a sole portion. The face portion has a thin-walled portion on a peripheral edge on a toe side. The sole portion has an easily deformable portion extending in a toe-to-heel direction, on at least a heel side.

公开(公告)号：US20170182379A1

公开(公告)日：2017-06-29

申请号：US15380318

申请日：2016-12-15

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Naruhiro MIZUTANI

IPC: A63B53/04

CPC classification number: A63B53/0466 ,  A63B2053/042 ,  A63B2053/0437 ,  A63B2053/045

Abstract: The golf club head includes a crown portion, a face portion and a sole portion. The crown portion is formed to have an average thickness, in a range of a predetermined length toward a back side from a boundary between the crown portion and the face portion, that is larger in a vicinity of a center in a toe-heel direction than at a toe side and a heel side.

公开(公告)号：US20150343279A1

公开(公告)日：2015-12-03

申请号：US14721650

申请日：2015-05-26

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Naruhiro MIZUTANI

IPC: A63B53/02 ,  A63B57/00

CPC classification number: A63B53/02 ,  A63B53/14 ,  A63B57/00 ,  A63B2053/0491

Abstract: A golf club 2 includes a head 4, a shaft 6, a grip 8, a first member m1 detachably attached, a second member m2 detachably attached, and a tool 102. A minimum force required to detach the first member m1 from the tool 102 in a connection state of the tool 102 and the first member m1 is defined as F1. A minimum force required to detach the second member m2 from the tool 102 in a connection state of the tool 102 and the second member m2 is defined as F2. The force F1 is greater than the force F2.

Abstract translation: 高尔夫球杆2包括头部4，轴6，把手8，可拆卸地安装的第一构件m1，可拆卸地安装的第二构件m2和工具102.将第一构件m1从工具102分离所需的最小力 在工具102和第一构件m1的连接状态被定义为F1。 在工具102和第二构件m2的连接状态下将第二构件m2从工具102分离所需的最小力被定义为F2。 力F1大于力F2。

公开(公告)号：US20150031469A1

公开(公告)日：2015-01-29

申请号：US14341531

申请日：2014-07-25

Applicant: DUNLOP SPORTS CO., LTD.

Inventor： Kota YAMASAWA ,  Kiyofumi MATSUNAGA ,  Naruhiro MIZUTANI

IPC: A63B53/02

CPC classification number: A63B53/02 ,  A63B2053/023 ,  A63B2071/0694

Abstract: A golf club 52 includes a shaft 56, a head 54 including a hosel, a sleeve 58 fixed to a tip part of the shaft 56, a grip 60 fixed to a back end part of the shaft 56, and a connecting member 10 which can be connected to the sleeve 58. The shaft 56 is detachably attached to the head 54. The shaft 56 includes an exposed part Ex. The sleeve 58 can be fixed to the head 54 at a plurality of circumferential direction fixed positions. A three-dimensional angle of the shaft 56 to the head 54 is changed depending on the circumferential direction fixed positions of the sleeve 58. The head 54 includes a head marking Hm. The exposed part Ex includes a shaft marking Sm for confirming the circumferential direction fixed positions.

Abstract translation: 高尔夫球杆52包括轴56，包括插鞘的头部54，固定到轴56的尖端部分的套筒58，固定到轴56的后端部分的把手60和可以 连接到套筒58.轴56可拆卸地附接到头部54.轴56包括暴露部分Ex。 套筒58能够以多个周向固定位置固定在头部54上。 轴56与头部54的三维角度根据套筒58的周向固定位置而改变。头部54包括头部标记Hm。 暴露部分Ex包括用于确认周向固定位置的轴标记Sm。

公开(公告)号：US20140357402A1

公开(公告)日：2014-12-04

申请号：US14291394

申请日：2014-05-30

Applicant: Dunlop Sports Co. Ltd.

Inventor： Naruhiro MIZUTANI

IPC: A63B53/04

CPC classification number: A63B53/0466 ,  A63B60/02 ,  A63B2053/0408 ,  A63B2053/0491

Abstract: A head 4 includes a socket 10 and a weight body 12. The socket 10 has an upper hole part 18 and a lower hole part 20. The weight body 12 has an engaging part 32. The lower hole part 20 and the engaging part 32 can be relatively rotated. By the relative rotation, the weight body 12 can take an engaging position EP and non-engaging position NP. The engaging part 32 has an outermost part E1. The lower hole part 20 has a first portion 20x and a second portion 20y. The outermost part E1 can pass through the first portion 20x while compressively deforming the first portion 20x. A distance D2 between the second portion 20y and an axis line Z is greater than a distance D1 between the first portion 20x and the axis line Z.

Abstract translation: 头部4包括插座10和配重体12.插座10具有上孔部分18和下孔部分20.重量体12具有接合部分32.下孔部分20和接合部分32可以 相对旋转 通过相对旋转，配重体12可以接合接合位置EP和非接合位置NP。 接合部32具有最外侧部E1。 下孔部20具有第一部分20x和第二部分20y。 最外面部分E1可以通过第一部分20x，同时使第一部分20x压缩变形。 第二部分20y与轴线Z之间的距离D2大于第一部分20x与轴线Z之间的距离D1。

公开(公告)号：US20140349779A1

公开(公告)日：2014-11-27

申请号：US14282938

申请日：2014-05-20

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Naruhiro MIZUTANI

IPC: A63B53/06 ,  A63B53/04

CPC classification number: A63B60/00 ,  A63B53/0466 ,  A63B53/06 ,  A63B2053/0433 ,  A63B2053/0491 ,  A63B2071/0694 ,  A63B2225/09

Abstract: A head 4 includes a head main body h1, a socket 10, an attachment member 11, and a weight body 12. The head main body h1 includes a socket housing portion 14. The socket 10 is attached to the socket housing portion 14. The socket housing portion 14 includes a first opening K1 through which the socket 10 can be housed. The attachment member 11 is mechanically joined to the head main body h1. The attachment member 11 is disposed so as to block at least a part of the first opening K1. The attachment member 11 controls the falling off of the socket 10 from the first opening K1. The socket 10 includes a held portion 10b. The held portion 10b is pressed by the attachment member 11. The socket 10 is formed of a polymer.

Abstract translation: 头部4包括头主体h1，插座10，附接构件11和配重体12.头主体h1包括插座容纳部14.插座10安装在插座容纳部14上。 插座容纳部分14包括可容纳插座10的第一开口K1。 附接构件11机械地接合到头主体h1。 安装构件11设置成阻挡第一开口K1的至少一部分。 安装构件11控制插座10从第一开口K1脱落。 插座10包括保持部分10b。 保持部分10b被安装构件11按压。插座10由聚合物形成。

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：US20170173410A1

公开(公告)日：2017-06-22

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：US20170050093A1

公开(公告)日：2017-02-23

申请号：US15132730

申请日：2016-04-19

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Naruhiro MIZUTANI ,  Phil SEAGRAM ,  Keith DOLEZEL ,  Mika BECKTOR

IPC: A63B53/04

CPC classification number: A63B53/0466 ,  A63B60/52 ,  A63B2053/0408 ,  A63B2053/0437

Abstract: A head h1 includes a crown c1, a sole s1, a face f1 and a hosel h1. The crown c1 includes a recess part RE1, a back part 100 positioned at a back of the recess part RE1, and a step surface ST1 positioned at a front of the back part 100 and positioned above a virtual extension surface HF1 of the back part 100. At least a part of the recess part RE1 extends in a toe-heel direction. At least a part of the step surface ST1 extends in the toe-heel direction. At least a part of the recess part RE1 may extend in a front-back direction.

Abstract translation: 头部h1包括冠部c1，鞋底s1，面部f1和插鞘h1。 冠部c1包括凹部RE1，位于凹部RE1的后方的后部100以及位于背面部100的前方且位于背面部100的虚拟延伸面HF1的上方的台阶面ST1 凹部RE1的至少一部分在脚跟方向延伸。 台阶表面ST1的至少一部分在趾跟方向上延伸。 凹部RE1的至少一部分可以在前后方向上延伸。