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1. 发明授权

US5685783A Golf club shaft 失效
标题翻译：高尔夫球杆杆
公开(公告)号：US5685783A
公开(公告)日：1997-11-11
申请号：US623113
申请日：1996-03-28
申请人： Tsuneo Akatsuka , Yoshihiro Motoki , Takashi Harada , Akira Suzawa
发明人： Tsuneo Akatsuka , Yoshihiro Motoki , Takashi Harada , Akira Suzawa
IPC分类号： A63B53/10 , B29C70/20
CPC分类号： A63B53/10 , B29C70/207 , A63B2209/02 , A63B2209/023 , A63B60/06 , A63B60/08 , A63B60/10 , B29L2031/5227 , Y10S273/07 , Y10S273/23
摘要： A golf club shaft is formed of a fiber-reinforced plastic is disclosed which has a constant inside diameter of at least 7 mm between the tip end and a point G1 and a varying inside diameter increasing from the point G1 to a point G2, wherein G1 and G2 are located at positions spaced apart from the tip end distances equal to 20-50% and 70-100% of the length of the shaft, respectively. The shaft has a constant outer diameter of at least 8 mm between the tip end and a point H1 which is spaced apart from the tip end a distance equal to 20-170 mm, a varying outer diameter decreasing from H1 a point F1 which is spaced apart from the tip end a distance equal to 10-45% of the shaft, a constant diameter from F1 to a point F2 which is spaced apart from F1 a distance equal to 0-300 mm and a varying outer diameter increasing from F2 to a point H2 which is spaced apart from the grip end a distance equal to 0-300 mm.
摘要翻译：公开了一种由纤维增强塑料形成的高尔夫球杆杆，其在尖端和点G1之间具有至少7毫米的恒定内径和从点G1到点G2的变化的内径，其中G1 和G2分别位于等于轴长度的20-50％和70-100％的前端距离间隔开的位置。该轴具有至少8毫米的恒定的外径，其尖端和点H1之间至少为8毫米，该点H1的尖端距离等于20-170毫米的距离，从H1开始的变化的外径减小，除了尖端之外，距离等于轴的10-45％的距离，从F1到F2的恒定直径，其距离等于0-300mm的距离，以及从F2增加到一个变化的外径点H2与夹持端间隔开等于0-300mm的距离。

2. 发明授权

US5437450A Golf club shaft and process of preparing same 失效
标题翻译：高尔夫球杆杆及其制作过程
公开(公告)号：US5437450A
公开(公告)日：1995-08-01
申请号：US297028
申请日：1994-08-29
申请人： Tsuneo Akatsuka , Yoshihiro Motoki , Takashi Harada , Akira Suzawa
发明人： Tsuneo Akatsuka , Yoshihiro Motoki , Takashi Harada , Akira Suzawa
IPC分类号： A63B53/10 , B29C53/56 , B29C70/08 , B29C70/22 , B29C70/30 , B32B5/00 , B32B5/12
CPC分类号： B29C70/228 , A63B53/10 , B29C70/085 , B29C70/30 , A63B2209/02 , A63B60/06 , A63B60/08 , A63B60/10 , B29C53/56 , B29L2031/5227 , Y10S273/23 , Y10T428/1369 , Y10T428/139
摘要： A light weight golf club shaft is disclosed which has an average weight of not greater than 1.4 g per inch and which is composed of an inner tubular layer of a carbon fiber reinforced plastic having a fiber orientation angle of 40 to 50 degrees with respect to the longitudinal axis of the shaft and an outer tubular layer of a carbon fiber reinforced plastic provided around the inner layer and having a fiber orientation angle of 5 to 30 degrees. The inner layer is obtained from a prepreg sheet by a sheet winding method, while the outer layer is obtained from a roving carbon fibers by a filament winding method. The inner layer has been hardened before the winding of the roving. A reinforcing layer obtained from a prepreg and having a fiber orientation angle of 0 to 5 degrees is provided inside of the inner layer at the tip portion of the shaft.
摘要翻译：公开了一种重量轻的高尔夫球杆杆，其平均重量不大于1.4克/英寸，由一根碳纤维增强塑料的内管层组成，其中纤维取向角相对于轴的纵轴和设置在内层周围并具有5至30度的纤维取向角的碳纤维增强塑料的外管状层。内层通过片材卷绕法由预浸料坯片获得，而外层通过丝线缠绕法从粗纱碳纤维获得。内层在卷绕粗纱之前已被硬化。在轴的顶端部设置有从预浸料坯得到的纤维取向角度为0〜5度的增强层。

3. 发明授权

US5354054A Golf club and golf club set 失效
标题翻译：高尔夫俱乐部和高尔夫俱乐部
公开(公告)号：US5354054A
公开(公告)日：1994-10-11
申请号：US145561
申请日：1993-11-04
申请人： Tsuneo Akatsuka , Yoshihiro Motoki , Takashi Harada , Akira Suzawa
发明人： Tsuneo Akatsuka , Yoshihiro Motoki , Takashi Harada , Akira Suzawa
IPC分类号： A63B53/00 , A63B53/04 , A63B53/10
CPC分类号： A63B53/04 , A63B53/0466 , A63B2053/005 , A63B2053/0408 , A63B2053/0412
摘要： A golf club having a club number in the range of Nos. 1 through 5 and including a club shaft, and a head connected to one end thereof and having the center of mass located below the half face height. The club head includes a top surface, a sole disposed opposite to the top surface, a toe portion, a heel portion opposite to the toe portion, a front, impact face located between the toe and heel portions, a rear portion located opposite to the face and between the toe and heel portions. The toe and rear portions together form a smooth, continuous, enlarged side surface so that an upper section of the club head above the horizontal center plane, which passes the half height of the face portion, has a volume smaller than that of a lower section of the club head below the horizontal center plane. The club shaft has not greater than 2 g/in. of a ratio of the weight thereof to the length thereof and a kick point located at a position spaced apart from the one end a distance equal to 44% or more of the total length thereof.
摘要翻译：一种高尔夫球杆，其具有在编号1至5的范围内并包括球杆杆杆的球杆编号，以及连接到其一端并具有位于半面高度下方的质心的头部。球杆头包括顶表面，与顶表面相对设置的鞋底，脚趾部分，与脚趾部分相对的脚跟部分，位于趾部和跟部之间的前部，冲击面，位于与脚趾部分相对的后部面和脚趾部分之间。趾部和后部一起形成平滑的，连续的，扩大的侧表面，使得球杆头的高于面部的半高度的水平中心平面上方的体积小于下部的体积的球杆头在水平中心平面下方。球杆轴不大于2g / in。其重量与其长度的比例以及位于距离该端部的距离等于其总长度的44％或更多的距离的位置处的脚尖点。

4. 发明授权

US5551691A Golf club shaft 失效
标题翻译：高尔夫球杆杆
公开(公告)号：US5551691A
公开(公告)日：1996-09-03
申请号：US556073
申请日：1995-11-02
申请人： Takashi Harada , Akira Suzawa , Yoshihiro Motoki
发明人： Takashi Harada , Akira Suzawa , Yoshihiro Motoki
IPC分类号： A63B53/10
CPC分类号： A63B53/10 , A63B2060/0081 , A63B2209/02 , A63B60/06 , A63B60/08 , A63B60/10
摘要： A hollow, fiber-reinforced plastic golf club shaft is disclosed which is tapered from the grip to the hosel and which is provided with an enlarged portion in an intermediate portion so that the flexural rigidity of the shaft is abruptly changed at the enlarged portion.
摘要翻译：公开了一种中空的纤维增强塑料高尔夫球杆杆，其从夹具到插鞘是锥形的，并且在中间部分设置有扩大部分，使得轴的弯曲刚度在扩大部分处突然改变。

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