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81. 发明授权

US4911444A Tennis racket 失效
标题翻译：网球拍
公开(公告)号：US4911444A
公开(公告)日：1990-03-27
申请号：US164394
申请日：1988-03-04
申请人： Minoru Yoneyama
发明人： Minoru Yoneyama
IPC分类号： A63B49/10 , A63B49/02
CPC分类号： A63B49/02 , A63B2049/0211
摘要： In a tennis racket whose frame and handle shaft are integrally made of fiber reinforced plastics and the frame defines a strung surface, the frame is so designed that its first thickness "t" in a direction of the strung surface is substantially uniform around the circumference of the frame and its second thickness "T" in a direction perpendicular to the strung surface is gradually varied. The second thickness is maximum at side sections of the frame interposing a sweet spot in the strung surface and is minimum at the top and bottom portions of the frame in such a manner that the maximum thickness is thicker in the range from 35% to 60% than the minimum thickness, which increases a weight per unit length of the frame toward the side sections.
摘要翻译：在网架中，其框架和手柄轴由纤维增强塑料整体制成并且框架限定了一个平面，该框架被设计成使其第一厚度“t”沿着弦杆表面的方向基本上在围绕框架及其第二厚度“T”在垂直于表面的方向上逐渐变化。第二厚度在框架的侧部处是最大的，在框架中插入甜点并且在框架的顶部和底部处是最小的，使得最大厚度在35％至60％的范围内更厚，比最小厚度增加了框架朝向侧部的每单位长度的重量。

82. 发明授权

US4750742A Modified one-span stringing racquet and method of stringing 失效
标题翻译：修改单跨弦球拍和拼接方法
公开(公告)号：US4750742A
公开(公告)日：1988-06-14
申请号：US875439
申请日：1986-06-17
申请人： Robert B. Coupar
发明人： Robert B. Coupar
IPC分类号： A63B49/00 , A63B49/02 , A63B51/14
CPC分类号： A63B49/025
摘要： A racket comprised of a frame connected to a handle wherein the frame has a retaining channel that extends around its outer periphery. The frame also has a plurality of holes extending therethrough for receiving individual strings. Slidable within the retaining channel are a plurality of retaining members that have recesses in their end portions. The recesses serve to define string holes when the retaining members are placed together. Each of the strings has a portion of increased extent at each end such that the strings can be passed through the frame hole while at the same time being secured to the frame by way of the string holes on the retaining members. Since the string holes in the retaining members are smaller in size than the portion of the string of increased extent, the strings are held in place in the frame.
摘要翻译：一种球拍，包括连接到手柄的框架，其中框架具有围绕其外周边延伸的保持通道。框架还具有穿过其中延伸的多个孔，用于接收各个串。在保持通道内可滑动的是在其端部具有凹部的多个保持构件。当保持构件放置在一起时，凹部用于限定弦孔。每个弦具有在每个端部处的增加的程度的一部分，使得弦可以通过框架孔，同时通过保持构件上的弦孔固定到框架。由于保持构件中的串孔的尺寸小于增加程度的绳的部分，所以将琴弦保持在框架中的适当位置。

83. 发明授权

US4671511A Adjustable racket frames 失效
标题翻译：可调式球拍架
公开(公告)号：US4671511A
公开(公告)日：1987-06-09
申请号：US709277
申请日：1985-03-07
申请人： Stanley Trysinsky
发明人： Stanley Trysinsky
IPC分类号： A63B49/02 , A63B49/08
CPC分类号： A63B49/035 , A63B60/14 , A63B60/16 , A63B60/28 , A63B60/52
摘要： Improvements in adjustable and other racket handles and shafts consisting of an improved durable yet light weight simplified unitized or self-integral structure which is firmly fixable and readily releasable by fully concealed internal wedges which are operated by a single long screw inside the handle and accessible from the bottom end. The detachable interchangeable handles are made in a range of outer sizes available in sets or singly from stock. The handle also has improvements in end cap shape and function. It also has innovative improvements in cover material form and application this being the use of a single standard sized diameter and tubular length of special kind of cover material and a material-stretching and locking rod applied against the material to lock it into a concealed groove positioned lengthwise within the handle. This comprises a new application for a special kind of elastomeric synthetic leather material, in a new way which improves handles.
摘要翻译：可调节和其他球拍手柄和轴的改进，包括改进的耐用且轻质简化的单一或自整体结构，其通过完全隐藏的内楔牢固地固定和容易地释放，所述内楔由手柄内的单个长螺钉操作并且可从底端。可拆卸的可互换手柄是以一套或多种外壳尺寸制造的，可以单独购买。手柄也具有端盖形状和功能的改进。它还在覆盖材料形式和应用方面具有创新的改进，这是使用单一标准尺寸的直径和管状长度的特殊类型的覆盖材料和材料拉伸和锁定杆施加到材料上以将其锁定在隐藏的凹槽中纵向在手柄内。这包括一种特殊类型的弹性合成革材料的新应用，以改进手柄的新方式。

84. 发明授权

US4390182A Reinforced racket frame and method of producing same 失效
标题翻译：钢筋框架及其制造方法
公开(公告)号：US4390182A
公开(公告)日：1983-06-28
申请号：US271131
申请日：1981-06-08
申请人： Chin-San You
发明人： Chin-San You
IPC分类号： A63B49/02 , A63B49/10
CPC分类号： A63B49/02 , A63B49/10 , A63B2049/0205 , Y10S273/23
摘要： A method of producing a racket frame, in which multiple layers of wooden strips are laminated to form a racket frame. An elongate groove is made at least in a wooden strip of mid layer on the side perpendicular to the string of the racket. The groove includes a shallow elongate central portion and two deeper elongate portions joining longitudinally with the central portion. A reinforcing material is filled in the groove and the mid layer is then plied with the wooden strips of other layers by means of adhesive. The preformed frame is heated and the reinforcing material sets in the groove and form an integral body therewith.The racket frame comprises, a plurality of elongate wooden strips laminated and fabricated to form a frame; and a reinforcing material being sandwiched in the mid part of the frame. The reinforcing material extends longitudinally along the frame and have a structure in which the cross section is narrow at the central part and broad about two ends.
摘要翻译：一种制造球拍框架的方法，其中层叠多层木条以形成球拍框架。至少在垂直于球拍绳的一侧的中间层的木条中制成细长的凹槽。凹槽包括浅细长中心部分和与中心部分纵向连接的两个更深的细长部分。在槽中填充增强材料，然后通过粘合剂将中间层与其它层的木条层合。预制框架被加热，并且增强材料设置在凹槽中并与其形成整体。球拍框架包括多个细长的木条，层叠并制造成形成框架; 以及夹在框架的中部的加强材料。增强材料沿着框架纵向延伸，并且具有其中心部分的横截面较窄并且宽大约两端的结构。

85. 发明授权

US4352495A Tennis racket 失效
标题翻译：网球拍
公开(公告)号：US4352495A
公开(公告)日：1982-10-05
申请号：US232719
申请日：1981-02-09
申请人： Tony F. Marchionda
发明人： Tony F. Marchionda
IPC分类号： A63B47/02 , A63B49/02
CPC分类号： A63B49/02 , A63B47/02
摘要： A tennis or like racket has a frame forming an oval head, the head forming frame being cross sectionally rectangular with a plurality of spaced apertures through which the strings are engaged, one side of the outer end of the oval shaped head being beveled to form an inclined surface relative to the longitudinal axis of the racket which enables a tennis or like ball to be scooped up with the racket by pushing or sliding the racket along the ground under the ball so as to move the ball onto the stringed portion of the racket.
摘要翻译：网球或类似的球拍具有形成椭圆形头部的框架，头部形成框架是横截面矩形的，具有多个间隔开的孔，线串联接在该孔中，椭圆形头部的外端的一侧被倒角以形成相对于球拍的纵向轴线的倾斜表面，其能够通过沿着球下方的地面推动或滑动球拍来使得网球或类似的球与球拍一起被铲起，以便将球移动到球拍的弦线部分上。

86. 发明授权

US4346891A Rackets 失效
标题翻译：支架
公开(公告)号：US4346891A
公开(公告)日：1982-08-31
申请号：US64308
申请日：1979-08-06
申请人： David Epstein
发明人： David Epstein
IPC分类号： A63B47/00 , A63B49/00 , A63B51/08 , A63B49/02
CPC分类号： A63B49/00 , A63B51/08
摘要： It is not always easy for a beginner to control the hitting of a ball with a tennis racket. Thus, there is only a small central area known as the sweep spot on which the ball has to impinge if it is to be hit consistently and accurately. The racket of the invention has a head with an elongated oval shape with the major axis of the oval being substantially aligned with the longitudinal axis of the handle and so a sweep spot is provided which is elongated in the direction of the axis of the handle. With such a racket, a beginner can usually hit a ball more accurately and effectively. Preferably, the racket frame has two sides which are substantially straight and parallel to one another and to the axis of the handle. A preferred manner of stringing such a racket is to use two sets of interwoven parallel strings, each set being oriented at an angle of about 45.degree. to the axis of the handle. Such an arrangement has advantages which include the fact that the majority of the strings are of approximately the same length and so can all be tensioned to about the same extent.
摘要翻译：一个初学者用网球拍控制一个球的命中并不总是容易的。因此，只有一个小的中心区域被称为扫射点，如果要一致和准确地击球，则必须对其进行撞击。本发明的球拍具有长椭圆形的头部，椭圆的长轴基本上与手柄的纵向轴线对准，因此设置了扫掠点，其在手柄的轴线方向上是细长的。有了这样的球拍，初学者通常可以更准确有效地击球。优选地，球拍框架具有基本上直的并且彼此平行并且与手柄的轴线相对的两个侧面。使这种球拍穿线的优选方式是使用两组交织的平行线，每组相对于手柄的轴线以约45°的角度定向。这种布置具有这样的优点，其包括大多数弦具有大致相同长度的事实，并且所有这些都可以被拉紧到大致相同的程度。

87. 发明授权

US4332384A Wooden racket frame 失效
标题翻译：木制球拍架
公开(公告)号：US4332384A
公开(公告)日：1982-06-01
申请号：US41830
申请日：1979-05-23
申请人： Noriyoshi Hasegawa
发明人： Noriyoshi Hasegawa
IPC分类号： A63B49/02 , B27M3/22
CPC分类号： A63B49/02 , B27M3/22 , A63B60/54 , Y10T428/24066
摘要： At least one end surface of a racket frame is occupied by a wooden shell layer obtained by transversely slicing a given elongated wooden material. Transmission of shock on the playing face onto user's hand holding the grip section is well hindered, and development of cracks and generation of wooden burrs are well prevented at drilling of through holes for strings.
摘要翻译：球拍框架的至少一个端面由通过横向切割给定的细长木质材料而获得的木壳层占据。将玩具上的冲击传递到握住抓握部分的用户手上受到很大的阻碍，在钻孔的通孔时很好地防止了裂纹的发展和木制毛刺的产生。

88. 发明授权

US4314699A Game racquet 失效
标题翻译：游戏球拍
公开(公告)号：US4314699A
公开(公告)日：1982-02-09
申请号：US116213
申请日：1980-01-28
申请人： Raymond M. Bayer , Robert E. Rodgers
发明人： Raymond M. Bayer , Robert E. Rodgers
IPC分类号： A63B49/02 , A63B49/12
CPC分类号： A63B49/02 , A63B60/48
摘要： A game racquet has a composite metal-plastic frame intermediately defining a head and having opposite ends within a handle, there being external plastic strips laterally located on the head, a wide strip around the outer part of the head and narrower strips extending from opposite ends of the wide strip into the handle, and the handle comprising a housing wherein the frame ends are secured together and to the housing and wherein the remaining space is occupied by foamed polyurethane.
摘要翻译：游戏球拍具有复合金属塑料框架，其中间形成头部并且在手柄内具有相对的端部，在头部上横向设置有外部塑料条，围绕头部的外部部分的宽条带和从相对端延伸的较窄条带并且手柄包括壳体，其中框架端部固定在一起并连接到壳体，并且其中剩余空间被泡沫聚氨酯占据。

89. 发明授权

US4291876A FRP Racket frame 失效
标题翻译： FRP球拍架
公开(公告)号：US4291876A
公开(公告)日：1981-09-29
申请号：US121053
申请日：1980-02-13
申请人： Shigeji Hasegawa
发明人： Shigeji Hasegawa
IPC分类号： A63B49/10 , B29C70/06 , B29C70/10 , B29K105/10 , B29L31/52 , B32B5/00 , A63B49/02
CPC分类号： A63B49/10 , A63B2209/023
摘要： A racket frame formed of a frame core and FRP sheets adhered to ball-striking faces of the frame core. The present racket frame is so constructed such that each of the FRP sheets is made by slicing a laminated body consisting of a plurality of FRP plate elements and protective plates which laminated body is molded into the same configuration as that of the ball-striking faces of the frame core, each of the FRP plate elements is formed by long, continuous reinforcing rovings extending from one end to the other end of the plate element and being uniformly impregnated into the thermosetting resin under uniform tension, and said protective plates are arranged at the innermost and outermost sides of the molded laminated body.
摘要翻译：由框架芯和FRP板形成的球拍框架粘附到框架芯的击球面。本发明的拍拍框架构造成使得每个FRP片材通过将由多个FRP板元件和保护板组成的层叠体切割成与层压体成型为与打击面相同的构造的层叠体框架芯，每个FRP板元件由长且连续的加强粗纱形成，该加强粗纱从板元件的一端延伸到另一端，并且在均匀的张力下均匀地浸渍到热固性树脂中，并且所述保护板布置在模制层压体的最内侧和最外侧。

90. 发明授权

US4278251A Racket frame for ball games 失效
标题翻译：球拍球拍架
公开(公告)号：US4278251A
公开(公告)日：1981-07-14
申请号：US17631
申请日：1979-03-05
申请人： Paul Lafourcade
发明人： Paul Lafourcade
IPC分类号： A63B49/02 , A63B49/04 , A63B49/08 , A63B49/12
CPC分类号： A63B49/12 , A63B49/03 , A63B49/08 , A63B60/02
摘要： A racket frame for ball games, such as a tennis racket frame, is made out of a length of material shaped into a loop to form a generally round head and two parallel longitudinal branches forming a portion of a racket handle. The length of material comprises a hollow beam having a cavity of generally rectangular cross-section. The cavity is bounded by flanges and webs of the beam which are shaped so as receive and cooperate with additional elements. The frame has a central bow having a longitudinal internal channel in communication with the internal cavity of the length of material and molded material extends through the cavity of the beam and into the channel of the central bow. The racket frame possesses good mechanical qualities and results in satisfactory playing performance.
摘要翻译：用于球类运动的球拍框架，例如网球拍框架，由成形为环形的一定长度的材料制成，以形成大致圆头和形成球拍手柄的一部分的两个平行纵向分支。材料的长度包括具有大致矩形横截面的空腔的中空梁。该空腔由梁的凸缘和腹板限定，该凸缘和腹板被成形为接收和配合附加元件。框架具有中心弓形，其具有与材料长度的内部空腔连通的纵向内部通道，并且模制材料延伸穿过梁的空腔并进入中心弓的通道。球拍框架具有良好的机械性能，并具有令人满意的演奏性能。

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