公开(公告)号：US20160008679A1

公开(公告)日：2016-01-14

申请号：US14796037

申请日：2015-07-10

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA

IPC: A63B53/04

CPC classification number: A63B53/0466 ,  A63B2053/0408

Abstract: A wood golf club head is provided. The wood golf club head includes a hollow structure body having a face surface for hitting a ball. The hollow structure body has an inner surface and a thick portion in a predetermined region on the inner surface excluding a rear surface of the face surface. The thick portion is located outward of a virtual curved surface and has an outer surface extending along the virtual curved surface. The virtual curved surface is (a) a curved surface centered about a predetermined reference point located inside the hollow structure body or (b) a curved surface having a central axis that is a straight line passing through a reference point located inside the hollow structure body.

Abstract translation: 提供木质高尔夫球杆头。 木质高尔夫球杆头包括具有用于击球的表面的中空结构体。 中空结构体在除了表面的后表面之外的内表面上的预定区域中具有内表面和厚部。 厚部位于虚拟曲面的外侧，具有沿虚拟曲面延伸的外表面。 虚拟曲面是（a）以位于中空结构体内部的预定参考点为中心的弯曲表面，或（b）具有中心轴线的曲面，该中心轴线是通过位于中空结构体内部的参考点的直线 。

公开(公告)号：US20150005093A1

公开(公告)日：2015-01-01

申请号：US14305084

申请日：2014-06-16

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA

IPC: A63B53/02

CPC classification number: A63B53/02 ,  A63B53/0466 ,  A63B2053/0491 ,  A63B2209/00

Abstract: A golf club includes a golf club head provided with a first hole and a second hole on its bottom side, a shaft, a first fastener detachably attached to the first hole to detachably fix the shaft to the golf club head, and a second fastener detachably attached to the second hole to provide weight on the golf club, the second fastener having weight different from that of the first fastener. The first fastener and the second fastener are configured as mutually replaceable fasteners so that the first fastener is detachably attached to the second hole and the second fastener is detachably attached to the first hole to detachably fix the shaft to the golf club head.

Abstract translation: 一种高尔夫球杆包括：高尔夫球杆头，其设有第一孔和底座上的第二孔，一个轴，一个第一紧固件，可拆卸地连接在第一孔上，以将轴可拆卸地固定在高尔夫球杆头上， 附接到第二孔以在高尔夫球杆上提供重量，第二紧固件具有与第一紧固件的重量不同的重量。 第一紧固件和第二紧固件被构造为可相互替换的紧固件，使得第一紧固件可拆卸地附接到第二孔，并且第二紧固件可拆卸地附接到第一孔以将轴可拆卸地固定到高尔夫球杆头上。

公开(公告)号：US20140024475A1

公开(公告)日：2014-01-23

申请号：US13943303

申请日：2013-07-16

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA

IPC: A63B53/06

CPC classification number: A63B53/06 ,  A63B53/02 ,  A63B53/04 ,  A63B53/0466 ,  A63B53/047 ,  A63B53/0487 ,  A63B60/54 ,  A63B2053/0408 ,  A63B2053/0433

Abstract: A recess 14 is formed in a sole 9 of a head 4. The recess 14 is an example of an opening part. A socket 10 is mounted to the recess 14. A weight body 12 capable of being attached/detached is attached to the socket 10. The weight body 12 has an engaging part 32 and an exposed part E1. The socket 10 has an interposition part 11. The interposition part 11 is interposed in at least a part between the exposed part E1 and a head body h1 in an attached state where the engaging part 32 is placed at an engaging position EP. The exposed part E1 is exposed to the outside in the attached state. The interposition part 11 does not fix the weight body 12.

Abstract translation: 凹部14形成在头部4的鞋底9中。凹部14是开口部的一例。 插座10安装在凹槽14上。能够安装/拆卸的配重体12安装在插座10上。配重体12具有接合部32和露出部E1。 插座10具有插入部11.插入部11在接合部32配置在接合位置EP的安装状态下插入在露出部E1与头部本体h1之间的至少一部分。 暴露部分E1在附接状态下暴露于外部。 插入部11未固定配重体12。

公开(公告)号：US20190209904A1

公开(公告)日：2019-07-11

申请号：US16235977

申请日：2018-12-28

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA ,  Naruhiro MIZUTANI ,  Jacob LAMBETH

IPC: A63B60/46 ,  A63B69/36 ,  A63B60/42 ,  A63B53/04

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 includes a top portion, a sole portion opposite the top portion, and a striking face configured to impact a golf ball. The striking face includes a face center and a variable thickness distribution such that the club head exhibits an Expected COR value of not less than 0.810, the Expected COR value being determined based on the following relationship: Expected   COR = ∑ i = 1 n  ∑ j = 1 m  p ij * c ij The variable cij corresponds to an average COR value associated with bin i, j, and the variable pij corresponds to a bin-specific impact probability value. And the club head exhibits a characteristic time no greater than 257 microseconds.

公开(公告)号：US20180178089A1

公开(公告)日：2018-06-28

申请号：US15854279

申请日：2017-12-26

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA ,  Daisuke KOHNO

IPC: A63B53/04

CPC classification number: A63B53/0466 ,  A63B2053/0437 ,  A63B2053/0458 ,  A63B2209/02

Abstract: A golf club head with a hollow therein includes a head main body and a crown member. The head main body includes a face portion having a hitting face, a crown portion provided with an opening and a peripheral region forming around the opening, wherein the opening is covered with the crown member. The peripheral region of the opening includes a mounting portion for mounting the crown member with an interior surface and an exterior surface thereof. The mounting portion, at least, includes a face-side mounting portion, a toe-side mounting portion and a heel-side mounting portion. The crown member includes a face-side peripheral portion fixed to the interior surface of the face-side mounting portion, a toe-side peripheral portion fixed to the exterior surface of the toe-side mounting portion and a heel-side peripheral portion fixed to the exterior surface of the heel-side mounting portion.

公开(公告)号：US20180117423A1

公开(公告)日：2018-05-03

申请号：US15792069

申请日：2017-10-24

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

Inventor： Masahide ONUKI ,  Yuki MOTOKAWA ,  Naruhiro MIZUTANI

IPC: A63B53/02 ,  A63B60/42 ,  A63B53/04

CPC classification number: A63B53/02 ,  A63B53/04 ,  A63B53/0466 ,  A63B53/047 ,  A63B53/065 ,  A63B53/10 ,  A63B53/12 ,  A63B60/42 ,  A63B2225/09

Abstract: A golf club 100 includes a head 200 having a hosel part 202, a shaft 300, and a reverse-tapered engagement part RT. The reverse-tapered engagement part RT includes a sleeve 400 having a reverse-tapered shape and being fixed to a tip portion of the shaft 300, and a spacer fitted outside of the sleeve 400. 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. The hosel hole 204 has a reverse-tapered hole 205 having a shape corresponding to a shape of an outer surface of the reverse-tapered engagement part RT. The reverse-tapered engagement part RT is fitted to the reverse-tapered hole 205. A club length is changed by changing a wall thickness of the spacer.

公开(公告)号：US20170173414A1

公开(公告)日：2017-06-22

申请号：US15387257

申请日：2016-12-21

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA

IPC: A63B53/04

CPC classification number: A63B53/0466 ,  A63B60/50 ,  A63B2053/0408 ,  A63B2053/0433 ,  A63B2053/045 ,  A63B2053/0454 ,  A63B2060/002

Abstract: Provided is a golf club head including a head body that has a hollow structure, a rib, and a welding bead. The head body has a first region. The rib stands upright from an inner surface of the first region. The welding bead fixes the first region and the rib to each other. An opening is formed in side faces of the rib. The welding bead extends from a first position on the inner surface of the first region, passes through the opening, and reaches a second position on the inner surface of the first region.

公开(公告)号：US20170120114A1

公开(公告)日：2017-05-04

申请号：US15336441

申请日：2016-10-27

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA

IPC: A63B53/04

CPC classification number: A63B53/0466 ,  A63B53/04 ,  A63B53/08 ,  A63B2053/0408 ,  A63B2053/0433 ,  A63B2053/0437 ,  A63B2209/00

Abstract: A head 2 includes a face 4, a crown 6, and a sole 8. At least a part of the crown 6 and/or at least a part of the sole 8 is formed by a clad material. The clad material is joined to an adjacent portion brought into contact with a peripheral edge of the clad material. The clad material includes a first layer s1 and a second layer s2. The first layer s1 is the outermost layer. The first layer s1 is welded to the adjacent portion. The second layer s2 does not have an affinity for welding with the adjacent portion.

公开(公告)号：US20160250525A1

公开(公告)日：2016-09-01

申请号：US15053759

申请日：2016-02-25

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA ,  Kota YAMASAWA

IPC: A63B53/04 ,  A63B53/06

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

Abstract: A golf club head is composed of a head main body comprising a face portion, a crown portion and a sole portion, and having a hollow, and a weight member disposed in the hollow of the head main body. The weight member is fixed to a toe side of the head main body at a toe side end portion and fixed to a heel side of the head main body at a heel side end portion so as not to contact with the inner surface of the head main body between the toe side end portion and heel side end portion. The cross-sectional area of the weight member is decreased in a central portion in the toe-heel direction than its heel side and toe side.

Abstract translation: 高尔夫球杆头由头部主体构成，头主体包括面部，冠部和底部，并具有中空部，配重部件设置在头主体的中空部。 配重构件在脚趾侧端部被固定到头主体的趾侧，并且在后跟侧端部固定到头主体的后跟侧，以便不与头主体的内表面接触 趾侧端部和跟部侧端部之间的主体。 重量部件的横截面面积比脚跟侧和脚趾侧在脚跟方向的中央部分减小。

公开(公告)号：US20150094163A1

公开(公告)日：2015-04-02

申请号：US14500117

申请日：2014-09-29

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yuki MOTOKAWA

IPC: A63B53/04

CPC classification number: A63B53/0466 ,  A63B53/04 ,  A63B53/06 ,  A63B2053/0433

Abstract: A hollow golf club head comprises a face portion having a club face for hitting a ball, and a club face's perimeter region extending backwards from the face portion. The perimeter region is provided with at least one set of a front part extending backwards from the face portion to have a free rear end, and a rear part extending forwards to have a free front end. The front part and the rear part are overlapped with each other without being fixed to each other so that, relatively to the rear part, the front part is movable in the front-back direction of the club head when hitting a ball.

Abstract translation: 中空高尔夫球杆头包括具有用于击球的球杆面的面部和从面部向后延伸的球杆面的周边区域。 周边区域设置有至少一组从面部向后延伸以具有自由后端的前部，以及向前延伸以具有自由前端的后部。 前部和后部彼此重叠而不彼此固定，使得相对于后部，当撞击球时，前部可以在球杆头的前后方向上移动。