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JP3177143U |
A racket (10) capable of being changed in its weight includes handle (20), a main body (30), at least one nut (40, 40', 40") embedded in the main body (30), and at least one bolt (50) threadedly engaged with the nut (40, 40', 40"). The m...
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JP3177142U |
A racket (10) includes a main body (20), a replaceable grip sleeve (30), a nut (40) and a bolt (50). The main body (20) has a frame (22), a handle (24) having at least one hole (242, 246), and a bridge (26) connected between the frame (2...
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JP3176931U |
To provide a grip correction tool for a ball striking tool which can be applied to a grip of various kinds of ball striking tools, can be easily and surely attached, and has excellent durability. A main body (1) has a tubular portion (1a...
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JP3176497U |
To provide a tennis game count score manual rotation device so that a game count and a game score are not lost for some reason during a tennis match. A base count display elastic rubber 1 that shows a game count score is attached by pull...
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JP4956262B2 |
The present invention relates to a method for manufacturing at least a portion of a sports racquet frame comprising the following steps: a) providing a moldable tube structure containing first and second inflatable bladders. The first an...
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JP4936131B2 |
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JP4932097B2 |
The present invention relates to an improved racket (600) for ball sports, e.g., tennis, squash or racket ball, comprising transducers (610,612) and an electrical circuit (618) as well as to a method of manufacturing thereof. In accordan...
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JP2012509132A |
The present invention relates to a sports racket for playing in narrow indoor spaces. The racket has a total length of 430 to 470mm, a total width of 150 to 185mm, a string unit length of 220 to 225mm, a shaft diameter of 5 to 7mm and a ...
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JP2012074072A |
To provide a layer structure which can endure structure characteristics and load environment.In the method of manufacturing an object, a mathematical model of an object is generated by discretizing a geometric model of the object into a ...
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JP4914621B2 |
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JP4911772B2 |
A racket including a string-stretching part for forming a ball-hitting face by tensionally mounting strings in string holes, formed through the string-stretching part, in which grommets are mounted respectively. As the grommets, a double...
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JP4892324B2 |
A sports racquet having a plurality of string port holes (20), i.e enlarged string holes having two inwardly facing string bearing surfaces which are spaced apart by a distance corresponding to the distance between two contiguous main st...
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JP4869388B2 |
A racket frame 10 of the present invention includes fiber reinforced resinous layers. At least one of the fiber reinforced resinous layers is a layer (L1) in which a rubber component is blended. A matrix of the layer (L1) contains a rubb...
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JP4861393B2 |
A material adapted to regulate vibration by distributing and partially dissipating vibration exerted thereon.
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JP4859082B2 |
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JP2012000339A |
To provide a racket excellent in impact strength and operability, and to provide a method of manufacturing the same.A grip, a shaft 20 attached to the grip, a frame attached to the shaft 20 and formed annularly, and a protection part 12 ...
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JP4846840B2 |
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JP4824042B2 |
The present invention provides a sports implement whose characteristics a user can adjust freely and minutely. According to the present invention, it is realized that a light-weight high functional circuit is installed in various sports ...
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JP4822177B2 |
A tennis racket frame is composed of a laminate of prepregs each containing carbon fibers serving as a reinforcing fiber thereof. At least one part of layers of the laminate is formed as a hard layer consisting of a prepreg composed of t...
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JP3171579U |
To provide a protective tape such as an edge at the tip of a racket frame, which does not easily peel off, has high sticking durability, and is excellent in usability. A protective tape 1 is formed in a thin plate band shape from a base ...
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JP3171359U |
To provide tennis equipment that everyone can enjoy and play. Tennis equipment includes a net, a racket, and a ball. The net is a net-like band with a height of 0.45 to 0.65 m, has a length of 5.5 mm or more, and each end is equipped wit...
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JP4778216B2 |
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JP2011177473A |
To solve the problems of conventional tennis rackets that a strong swing cannot be done for reasons of safety in a case of doing a practice swing with a conventional racket in a narrow indoor space, for example, because of its long total...
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JP2011161221A |
To provide a racket frame improving feeling when hitting a ball and improves the controllability of hitting the ball.The racket frame 1 includes a ball-hitting portion 4, a shaft 6, and a grip 7. The ball-hitting portion 4 includes a hig...
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JP2011156729A |
To provide a tubular body prevented from sliding and giving adequate grasp feeling when grasped.The tubular body has the outer most layer 26 provided with: a fiber exposed part 38 where a reinforced fiber 14 is exposed on the outer perip...
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JP4737360B2 |
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JP4699590B2 |
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JP4690523B2 |
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JP3167947U |
To provide a gripping portion which is easy to manufacture, can be mass-produced at low cost, is reliable to grip, and can be easily gripped even by a handicapped person having a handicap. In this grip portion, the outer circumference of...
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JP4662975B2 |
A grip for the handle of a golf club having a single panel (G) that is wrapped about an underlisting sleeve (U). The inside layer (62) is EVA and the side edges of the panel abut. The unitary grip reduces impact shock, provides a feeling...
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JP4663072B2 |
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JP4657766B2 |
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JP2011041810A |
To facilitate gripping of a racket grip with one hand and to stabilize hitting with one hand.The tennis racket grip makes a grip shape of the racket regularly octagonal for allowing stably gripping the racket with one hand and for improv...
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JP4638680B2 |
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JP2011024618A |
To provide a racket frame providing a high hitting angle and high initial velocity when a ball is hit.The tennis racket frame 1 is made of fiber-reinforced synthetic resin, and includes a face portion 2, a shaft portion 3 and a grip port...
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JP2011024619A |
To provide a racket frame capable of easily diversifying the characteristics such as rigidity and strength partially.A first prepreg 11, a blade 20 and the second to sixth prepregs 12-16 are layered on a tube 30 in this order from the in...
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JP4615674B2 |
To improve the resilient performance and periodic damping performance of a tennis racket along with a lighter weight while preventing a drop in operability and durability. The ratio of the maximum length L to the maximum width L2 (L1/L2)...
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JP2010540187A |
A flexible grip for an implement handle and method of making same in which the grip is molded with a core or mandrel having a spiral groove which forms a thread like surface on the interior of the grip when molded. Upon removal from the ...
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JP4601216B2 |
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JP4576591B2 |
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JP4575624B2 |
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JP4573935B2 |
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JP2010246884A |
To achieve easy, quick and secure racket swing without special skill.An auxiliary tool includes: a band part formed of one or more materials selected from fiber, resin, rubber, leather, metal and other elastic bodies; and finger rests fo...
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JP4574571B2 |
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JP4547091B2 |
The invention relates to a method of manual gripping where a user wears a slip control inhibiting glove to create a frictional interface between the user's glove and a surface of an article being gripped as well as to a method of definin...
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JP4520761B2 |
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JP4515670B2 |
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JP4515671B2 |
A racket frame (1) has a pipe-shaped racket-frame body (2) made of a fiber reinforced resin and composed of a gut-stretched part (3), a throat part (4), a shaft part (5), and a grip part (6) sequentially arranged and a yoke (10) connecte...
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JP4511675B2 |
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JP4510260B2 |
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