Matches 1 - 50 out of 123 1 2 3 >
Match Document Document Title
7402117 Racket with a center of gravity approximate to a center of a rubber sheet  
A racket is described, with a center of gravity thereof being approximate to a center of a rubber sheet of the racket, and a center of gravity that moves approximately to the center of rubber sheet...
7273430 Tennis racket frame  
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...
7247373 Racquet string  
A racquet string includes a core component whose principal component is a synthetic fiber, and a surface resin component, wherein fullerenes or by-product carbon particles derived from manufacture...
7217203 Tennis racket  
A tennis racket having a racket frame defining a ball-hitting face, wherein if the upper part of the ball-hitting face is set as a 0-degree position, a string protection member is mounted on at...
7211010 Reinforcing member for a badminton racquet  
A reinforcing member for a badminton racquet wherein the racquet extends along a longitudinal axis and includes a frame having a tubular hoop portion supporting a string bed and a tubular handle...
7144341 Sports racquet with deflection enhancing string bed  
A racquet for hitting a projectile has a stem, which is a handle or a shaft with a handle, and a racquet head with a frame extending from the handle and supporting a tensioned string bed defining a...
7140986 Tennis racquet equipped with a tennis ball retriever  
A highly specific type of hooked materials, when applied to the shoulder of a tennis racquet, have been found to tangentially hook onto the nap of a tennis ball and allow the ball to be lifted from...
7140984 Racket for ball games and production process  
The present invention relates to an improved racket for ball games, in particular a tennis racket, squash racket, badminton racket, racquet ball racket or paddle tennis racket comprising a frame...
7137912 Tennis racket  
In a tennis racket having a racket frame composed of a fiber reinforced resin, the moment of inertia Ic of the tennis racket in a center direction thereof is set to not less than 13000 g·cm 2 nor...
7131920 Racket frame  
A racket frame including a first laminate composed of a plurality of first prepregs consisting of fiber reinforced resin and a second prepreg, consisting of fiber reinforced resin, which is layered...
7081055 Method for making rackets with shock absorbing members  
A racket includes a head and a shaft, a throat is connected between the head and the shaft. Shock absorbing members are installed to desired positions of the racket so as to reduce impact...
7077767 Racket for ball games and production process  
The present invention relates to a racket for ball games, in particular a tennis racket, squash racket, badminton racket, racquet ball racket or paddle tennis racket comprising a frame consisting...
7074142 Racket frame  
A tennis racket frame ( 10 ), including a sleeve composed of a fiber reinforced resin, having a weight not less than 180 g nor more than 270 g, when strings are not mounted in a ball-hitting face...
7070525 Racket for ball games  
The present invention relates to a racket, in particular a tennis racket or squash racket exhibiting a particularly suitable stiffness and/or strength behavior. For this purpose, the ball game...
7059981 Racket frame  
A racket frame ( 10 ) including a laminate having not less than two fiber reinforced resinous layers layered one upon another and one or more modified fiber reinforced resinous layers ( 20 ) each...
7044869 Racket for ball games and production process  
The present invention relates to an improved racket for ball games, in particular a tennis racket, squash racket, badminton racket, racquet ball racket or paddle tennis racket, comprising a frame...
6958104 Sports racket with undulations in frame interior surface  
A sports racquet comprises a handle and a frame coupled to the handle. The frame includes an inner portion and an outer portion located substantially opposite the inner portion. The inner portion...
6688997 Racket with reduced yoke rigidity  
A racket frame ( 1 ) has a pipe-shaped racket-frame body ( 2 ) made of a fiber reinforced resin and composed of a head ( 3 ), a throat part ( 4 ), a shaft part ( 5 ), and a grip part ( 6 )...
6663514 Racket with vibration damping yoke  
A frame body ( 2 ) is formed separately from a yoke ( 10 ) connecting right and left parts of the frame body ( 2 ) to each other. The yoke ( 10 ) and the frame body ( 2 ) are connected to each...
6623384 Dynamic damper and dynamic damper-installed tennis racket  
A dynamic damper ( 10 ) having a viscoelastic part ( 12 ) and a mass-adding part ( 11 ) laminated on the viscoelastic part ( 12 ). The dynamic damper ( 10 ) has a horizontal frame ( 13 ) and a...
6623383 Racquet with slidable weight  
A racket comprising a frame body having a face portion, a shaft portion, and a grip portion, and a groove in the length of 10% to 20% against the entire circumference of the frame comprising the...
6579198 Tennis racket with shaft having light weight metal piece  
A tennis racket comprises a frame; a shaft connected to the frame at one end thereof; a grip into which the shaft is inserted at the other end thereof; and a pair of lightweight metal pieces...
6383099 Tennis racquet  
A tennis racquet is provided with increased resistance against twisting of the racquet frame by increasing the width of the frame just above the area where the yoke and Y-shaped arms of the throat...
6358165 Throatless squash racquet  
A throatless squash racquet includes a hollow tubular frame, preferably of graphite, bent to form a head in which the outer portion is generally circular. The opposing legs of the tubular frame...
6254500 Racket with meshed titanium reinforcement  
A racket which is capable of mitigating the shock transmitted to the handle, improving the stability of the face of the head-frame, and enhancing the ability to damp the vibration imparted to the...
6234921 Sports racquets with tripod weighting  
A sports racquet has a lightweight frame and a pair of pods, having an increased cross-sectional width, at the 11 o'clock and 1 o'clock positions of the head. The pods also preferably have an...
6159114 Ultra-thin racquet frame  
A tennis racquet frame including a handle having a free end, a racquet head defined by a closed loop frame, a bridge that defines a portion of the closed loop frame of the racquet head and a throat...
6142893 Sports racket which reduces variance on players performance  
An improved sports racket design which makes the velocity and angle of the hit ball more nearly independent of the point of impact of the ball on the string bed than in the prior art. There are...
6106417 Lightweight tennis racket having high frequency  
A lightweight, high stiffness tennis racket includes a frame having a handle portion with butt end, head portion, and strings supported by the head portion. The racket is formed from a composite...
6074314 Counterweight balancing system for game racquets  
A game racquet for tennis, racquetball, squash and the like, includes a handle having a free end and a racquet head defined by an open loop frame and having no weight heads. A throat connects the...
6059674 Racquetball racquet  
This invention provides for a racquetball racquet combining enhanced ball acceleration, high precision, and comfort. These optimum characteristics are achieved though a racquetball racquet having,...
5913740 Flat beam aerodynamic tennis racquet  
A tennis racquet which is made up of a handle, a throat and a head. The head of the racquet is designed to increase power and control during play. The head includes at least one section having a...
5893810 Tennis rackets  
A tennis racket having a striking surface and a handle in combination has a strung total weight of less than 245 g, an overall length larger than 70 cm, a free-free vibrational frequency in the...
5833560 Racquetball racquet  
The present invention is a racquetball racquet that is substantially longer than a conventional 21 inch racquet, but which has a maneuverability comparable to existing racquets, and on overall...
5810683 Morph frame for sports racquet  
A sports racquet, preferably a tennis racquet, includes an open throat frame in which at least most of the head portion has an aerodynamic cross-section, and at least most of the shaft portions...
5649702 Sports racquet with spin-enhancing cross-section  
A sports racquet has a head portion with an elliptical cross-section in which the major axis is oriented parallel to the string plane. Preferably, the racquet includes a pair of converging throat...
5642881 Tri-hollow racket with traverse ribs  
A racket frame of extruded aluminum with a common cross-section along its entire length. The frame has free ends with frame portions adjacent to the free ends shaped parallel with each other to...
5573242 Racket with rugged frame  
A racket with a rugged frame adapted to be used in various games such as tennis, badminton, racket ball, squash tennis and etc. The racket includes a handle, a frame, and power reinforcing portions...
5562283 Sports racquet having power ring  
A sports racquet includes a power ring, spanning the throat region of the head, which has an arcuate bearing surface facing away from the outer head portion of the racquet. The bearing surface bows...
5544878 Racket  
A racket includes a head portion, a throat portion including two rods and a handle, at least one of the head portion and/or the throat portion has a segment having an ovoid cross section when taken...
5538243 Tennis racket frame  
A tennis racket frame comprising a string-installing portion (10), T-shaped in cross section, formed along the entire periphery of a ball-hitting surface thereof. The string-installing portion (10)...
5507486 Tennis racket frame  
A tennis racket frame, made of fiber-reinforced resin, in which the volume percentage of aromatic polyamide fiber and/or all-aromatic polyester fiber of all fiber-reinforcing materials of a throat...
5470062 Tennis racket  
In construction of a tennis racket having a frame top and a yoke, balance adjusters having specific gravities larger than that of a frame are arranged at the frame top and the yoke, respectively,...
5470061 Racquetball racquet having increased stiffness at tip  
Racquetball racquet having a frame forming a head and a handle characterized by a side profile comprising two intersecting arcs having different radii of curvature and intersecting at a point of...
5464210 Long tennis racquet  
A tennis racquet has an overall length greater than 28 inches, preferably between 29 and 32 inches, an egg shape strung surface having a length of at least 14 inches, and a strung surface area...
5462274 Tennis racket with longitudinal strings different in tensile force from transversal strings  
A tennis racket has longitudinal strings stretched in a longitudinal direction between a frame top and a grid end and transversal strings stretched in a transversal direction perpendicular to the...
5443575 Racquet stringing  
A method of stringing a tennis racquet with dual taper strings so as to dispose the smallest diameter strings at the approximate center of the string bed defined by the strings, with the diameter...
5419963 String having different modulus of elasticity for stringing a racket for ball games  
The modulus of elasticity of a string portion or a string of uniform diameter for stringing a racket for ball games, in particular a tennis racket, differs in a section-wise manner. This may be by...
5417418 Monoshaft composite tennis racquet  
A monoshaft tennis racquet has a frame head that circumscribes a stringing area, and a shaft connected to the opposite ends of the head. Either the head or the shaft, and preferably both, are...
5374058 Tennis racquet  
A tennis racquet comprising a continuous convex bow containing a plurality of interlaced strings attached under tension, and a handle formed integrally with the bow. The racquet is free of a yoke...
Matches 1 - 50 out of 123 1 2 3 >