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JP3835240B2 |
To provide a racket having superior vibration absorbing performance and capable of being easily strung. A groove 7 is extended on an outer peripheral face of a face part 2 in the circumferential direction, and stringing protective member...
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JP3831039B2 |
To provide an adequate damping rate, to stabilize a ball hitting surface, to reduce a weight and to improve operability by subjecting a thermosetting epoxy resin and thermoplastic RIM nylon having molding temps. of the same range respect...
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JP3826313B2 |
A weight that is composed of a composite of a soft material and a loading member which is a high specific gravity substance and that is mounted on a grip end bottom of a ball-hitting implement, allowing the loading member to be divided i...
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JP2006239336A |
To offer a tennis racket that the users can easily restring its gut (tennis racket string).The tennis racket offers a partitioned (divisible) racket frame and the pre-stringed gut (string) cassettes which can be attached and detached, wh...
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JP3822244B2 |
A sports implement including an electroactive element, such as a piezoceramic sheet attached to the implement and a circuit attached to the electroactive element. The circuit may be a shunt, or may include processing such as amplificatio...
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JP3820552B2 |
To solve a problem that elastic amplitude vibration is not rightly transmitted to a frame head and control worsen by changing elastic vibration and incurring torsion from a base that becomes an origin of power, when power is applied to a...
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JP3820215B2 |
To improve not only surface stability, operability and controllability but also the resilience of a tennis racket, and moreover, realize a lighter weight. The weight of a racket frame should be 100 g or more to 280 g or less, the value o...
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JP2006519050A |
A sports racquet has a plurality of opposed string holes for anchoring the ends of the strings, at least one pair of contiguous string holes are replaced with an enlarged string hole having opposed bearing surfaces for securing the ends ...
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JP2006218133A |
To provide a vibration damping implement for a racket capable of damping vibrations suitably for a user by adjusting buffer power.A buffer implement for the racket is composed of a roughly disk-like main body part and a roughly doughnut-...
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JP3806130B2 |
An objective is to provide a racket in which strings can be adjusted to have a desired tension in an easy manner. This racket includes: a loop-shaped frame body having an inner region in which strings are stretched in a net shape to prov...
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JP3123245U |
To provide a racket which has an excellent elasticity of a gut net surface, is hard to cut the gut, has an effect of suppressing vibration, and thereby can provide a better effect of hitting a ball. A racket frame 20, at least one or mor...
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JP2006141920A |
To provide a shaft structure and a functional implement with a shaft correcting a reacting direction against a force from various angles to one constant direction.The shaft structure is constituted of a tubular shaft body having a bendin...
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JP2006515639A |
The present invention relates to a grip element configured for assembly over at least a portion of an article to cushion at least the fingers of a user. The grip element includes a foam comprising (1) a copolymer having repeat units deri...
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JP2006515210A |
A conventional length golf club with a grip including a heavy counterweight, the mass of which is sufficient to cause the center of gravity of the whole golf club to be located within the boundaries of the grip. The counterweight may be ...
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JP2006110093A |
To provide a badminton set which can save labor for directly picking up a shuttlecock by a hand.In the badminton set comprising a racket 1 and the shuttlecock 2, the frame 3 of the racket 1 and the shuttlecock 2 have an attaching means T...
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JP2006510395A |
A racket shaft ( 1 ) that at one end is intended to be connected to a racket head ( 3 ), has a grip portion ( 13 ), and at its other end a knob ( 11 ) that is detachably mounted on the racket shaft ( 1 ), the knob ( 11 ) having an across...
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JP2006081627A |
To improve a repulsion performance and surface stability without impairing the operability in a light-weight racket frame.This racket frame is composed of a fiber reinforced resin hollow pipe, has the weight of not less than 100g and not...
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JP3742904B2 |
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JP3742905B2 |
To provide a racket frame which is excellent in attenuation ability to vibration under normal conditions of use for a string used. There are provided a head part including a yoke part 11, two throat parts, a shaft part and a grip part on...
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JP3738276B2 |
To lighten weight and heighten rebounding performance for tennis racket. The racket frame is set that the weight is 200g≥, 140g≤, the balance, which is the distance from grip end to the center of gravity, is 280 mm≤, 400 mm≥, the...
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JP3736678B2 |
To provide a racket frame which is light and stable in high rigidity, and has a proper vibration damping property and in which the vibration damping property can be controlled. A frame main body 2 is independently formed from a yoke 10 w...
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JP3734008B2 |
To provide a racket frame excellent in damping vibrations. This racket frame has a head part 3 forming the outline of the ball hitting surface, two throat parts 5 extending from the head part 3 to join with each other at one end, a shaft...
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JP2005334160A |
To make it easy to swing a tennis racket, to improve surface stability, to prevent shaking, to improve a carry performance and to improve them in excellent balance.The tennis racket is composed of a racket frame made of a fiber reinforce...
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JP2005328925A |
To improve the vibration/impact absorptivity, surface stability and resilience of the racket frames.The grip 15 is constituted of a grip part 17 which is extended integrally with a shaft part 14 and made of a fiber-reinforced resin and a...
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JP2005532842A |
The invention relates to a percussion instrument for games with percussively or impact-moved play body. According to the invention, the percussion instrument comprises an actuating part (BT) and an impact section (PT) embodied at least p...
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JP3710047B2 |
To give vibration absorbing function to an end cap mounted on a racket end. The end cap is formed of a material which resonates with the vibration of a racket to give vibration absorbing function to the end cap. That is, the end cap is f...
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JP3709716B2 |
To improve vibration attenuation properties of a racket york part. A york 16 to connect right and left frame parts of the frame main body of a racket is constituted of fiber reinforced resin comprising reinforcing continuous fiber and ma...
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JP2005271279A |
To provide a method for producing a tapered hollow tube which reduces warpage caused by the dislocation of the fiber orientation angle of a prepreg caused by the shape of the taper.In the method for producing the tapered hollow tube, a t...
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JP2005270640A |
To provide a sports implement whose characteristics can be adjusted freely and minutely by a user.It is realized that a light-weight high functional circuit is installed in various sports implements by constituting various functional cir...
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JP2005237757A |
To increase the flying distance, the plane stability, the operability and the strength of a racket frame.A weight per unit length is expressed as Wt in a first region on the head top side within a range of a width of 10 cm which is away ...
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JP2005238678A |
To solve the problem that a grip having a large compression set rate is deformed and not restored when scratched with nails or deformed for a long time, by taking it into consideration that a rubber having a large compression set rate is...
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JP2005237873A |
To improve a ball hitting performance and controllability of a tennis racket.In the tennis racket 10, the weight of a racket frame 11 is ≥100 g and ≤270 g. A head part 12 surrounding a ball hitting surface F is continuously formed in...
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JP2005238472A |
To provide a tubular body made of a fiber reinforced composite material suitably used as a golf club shaft or the like, having lightweight properties and high twist strength and also excellent in processability.The tubular body made of t...
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JP2005524048A |
A feedback device for detecting a mechanical input and providing a feedback indication. For example, a wearable biomechanical feedback device that has an electrically conductive fabric sensor that can be closely fitted to a limb. Movemen...
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JP2005177244A |
To provide a tennis racket enhancing repulsion properties of a hitting face thereof by increasing displacement of gut at hitting to expand the sweet spot part without not too much changing length of gut expansion.The tennis racket is pro...
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JP3666694B2 |
To facilitate the gradual reduction in the wall thickness of the end part region of a reinforcing layer by almost turning the reinforcing fibers of the reinforcing layer in the circumferential direction of a tubular member, to prevent th...
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JP3659812B2 |
To provide a racket frame which is excellent in bouncing performance along with a higher strength and a higher rigidity. A reinforced metal plate 3 comprising a metal with a specific gravity of 5 or less is provided after a prepreg 2 is ...
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JP2005130766A |
To provide a kind of fishing/sporting goods simple in construction, realized in interlaminar high adhesiveness, also realized in appearance excellent in profound recognizability through preventing color unevenness, and improved in durabi...
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JP2005130765A |
To provide a kind of fishing/sporting goods simple in construction, promoted in lightweightness, and realizing appearance excellent in profound recognizability.The kind of fishing/sporting goods has the following construction: The outer ...
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JP2005065842A |
To provide a racket frame for the tennis which is made higher in durability and resilience while securing the ideal durability with a lighter weight.In the racket frame 10 comprising a sleeve for the tennis made of a fiber-reinforced res...
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JP3628281B2 |
To provide sporting gear which is extremely highly durable and has improved elastic restoration performance and excellent repulsiveness. A badminton racket 1 comprises a grip 2, a shaft 3 and a frame 6. The shaft 3 is formed to a shape w...
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JP3628239B2 |
To provide sporting goods allowing more than one of kick points to be made without decrease in shaft strength and having excellent in appearance. Each of the sporting goods has a shaft with a hollow part and a hollow expanded part at a p...
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JP2005046610A |
To provide an anti-bacterial grip for sporting goods for inhibiting growing of microorganisms.A strip G is composed by forming a layer of textile 12 having open pores on a layer 16 of an elastomer material formed by uniformly dispersing ...
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JP2005504568A |
A material adapted to regulate vibration by distributing and partially dissipating vibration exerted thereon.
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JP3614185B2 |
PURPOSE: To easily and rapidly form a coated film with a color pattern, by coating a paint on a cylindrical or a columnar body like a fishing rod or a golf club shaft and coating another color paint to superpose it thereon while the pain...
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JP2005013683A |
To provide a grip with protrusions for sporting goods designed to improve the grip force, which is also applied to working tools, canes, handrails, or the like, making them more safe in use.The grip (2) for sporting and the working tools...
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JP3609294B2 |
To design a lightweight racket frame and to improve its strength and repulsive property by using a highly powerful lightweight carbon fiber as reinforcing fiber having specific values of a tensile strength, modulus of elasticity of tract...
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JP2004357982A |
To enhance the fly performance and vibration attenuation performance of a tennis racket.In the tennis racket 10, a rigid string protective material 21 having a plurality of cylinder parts 22 adapted to insert a string S therethrough and ...
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JP3600760B2 |
To reduce a weight and to improve strength by disposing metal fibers pulled arranging to one direction at one part of a face section surrounding to a hitting surface and a sloat section where a distortion to a compressing direction is oc...
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JP3588526B2 |
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