| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 473553000 |
Accessory for use with racket or paddle (e.g., used with or for tennis racket, etc.)
| 29 |
| 473549000 |
Handle or grip structure
| 26 |
| 473535000 |
Fiber reinforced plastic frame
| 17 |
| 473527000 |
Paddle
| 14 |
| 473537000 |
Having dimensional characteristic or other parameter specified by a number, numeric variable, or mathematical formula (e.g., location of center of gravity, elastic modulus of a string, weight of racket, etc.)
| 10 |
| 473540000 |
Having string mounting feature other than mere through-holes lying in string plane
| 6 |
| 473539000 |
Elongated string-hole liner (e.g., grommet, bushing, etc.) | 4 |
| 20110039641 | RACQUET HAVING ARTICULATING GROMMET ASSEMBLIES - A sports racquet including a frame, at least one grommet assembly. The frame includes a head portion coupled to a handle portion. The head portion includes a hoop having inner and outer peripheral walls. At least a first set of concave recesses and channels are formed into the outer peripheral wall. The hoop includes first, second and third groups of string openings. The second and third groups of string openings are aligned with the first set of concave recesses. The second group of string openings extends through the outer peripheral wall at the first set of concave recesses. The grommet assembly engages the outer peripheral wall. The grommet assembly includes at least three pivotable elements interconnected by torque transmitting arms, each pivotable element including a string passage. The pivotable elements and the torque transmitting arms are pivotable about an axis parallel to a string bed plane. | 02-17-2011 |
| 20120077630 | System and Method for an Inflation Bladder Composite Game Racket - A system and methods for creating a strong game racket using multiple inflation bladders. A strong game racket frame comprising a handle, a throat member coupled to the handle, a bridge portion coupled to the throat member and a head frame couple to the throat member. A method for creating a strong game racket comprising the acts of placing a pre-preg first bladder into a mold cavity shaped like a racket frame, placing various pre-formed members and/or secondary mold members into the cavity, and placing a second and/or third pre-preg bladder into the mold cavity above the first bladder and any pre-formed members and/or secondary mold members. After the mold is configured it is closed, pressurized, and heated so that the strong composite game racket can be cured. | 03-29-2012 |
| 20130203529 | SPORTS RACKET AND METHOD OF MANUFACTURING SAME - A sports racket is provided that has a racket body with a racket head. The racket head has a frame that has substantially rectangular face shape with appropriately rounded corners. The frame has a string mounting positions in a predetermined arrangement on the four sides of the rectangular face shape. There are lockable grommets integrally disposed in the frame with each grommet at a different string mounting position. A string mounted to the racket head at the string mounting position forms individual strings of the main string portion and the cross string portion of the racket head. The lockable grommets can adjust tension of each individual string to control tension and thus vibration in the entire racket head. | 08-08-2013 |
| 20220134190 | GROMMET AND RACKET - Structures with racket performance varied according to the configurations of cylindrical parts can be easily used. A grommet ( | 05-05-2022 |
| 473543000 |
Prefabricated string assembly, means to prevent relative movement or wear at crossover points of strings, or having one or more strings with specified characteristic or arrangement | 4 |
| 20110201462 | STRING FOR A RACKET, PARTICULARLY FOR A TENNIS RACKET - The invention relates to a string for a racket, particularly for a tennis racket, which includes: a central core ( | 08-18-2011 |
| 20120214625 | TENNIS RACKET AND METHOD - A tennis racket is provided that has a rectangular ball striking face with rounded corners. The racket is formed of a carbon fiber sandwich with light material mounted therebetween. A strip of carbon fiber is attached to the outer edge spanning the two carbon fiber top and bottom sheets. The rectangular frame is formed with outwardly bowed sides so as to be pulled into a straight sided configuration by the string tension. Locking grommets of various constructions are provided to hold the strings at predetermined tensions. Testing equipment and methods are provided for testing tennis rackets. | 08-23-2012 |
| 20140256480 | RACKET - A racket including: a handle; an annular frame having a plurality of through holes, and a groove section provided on an outer peripheral face of the frame along a circumferential direction of the frame; a shaft connecting the handle and the frame; and a string that passes through the through hole to the outside of the frame, and that is folded back on the groove section, wherein when either one of a longitudinal direction of the racket and a width direction perpendicular to the longitudinal direction on a hitting surface of the racket is defined as a first direction, a depth of a position at which the string is folded back at a second position in the first direction is smaller or less than a depth of a position at which the string is folded back at a first position in the first direction, the first position being located on the outer peripheral face of the frame, the second position being located on the outer peripheral face of the frame and outside of the first position in the first direction. | 09-11-2014 |
| 20140329623 | STRING FOR SPORTS RACQUET AND SPORTS RACQUET WITH IMPROVED STRING - In accordance with the embodiments of the present invention, a resilient and elastic single-filament string for a sports racquet, and an accompanying complete sports racquet is provided. The string includes a central body with ridges that extend axially along the length of said central body, where the ridges and central body are initially formed as a single homogeneous structure. The sports racquet incorporates at least one of these single-filament strings, along with a frame formed of a rigid material containing a number of holes. | 11-06-2014 |
| 473526000 |
Having handle at an angle to, offset from, or nonradially oriented relative to plane of striking member | 3 |
| 20090209373 | DOUBLE-SIDED PING PONG PADDLE - A paddle, including a pair of lateral members connected by a mounting structure which extends transversely between the lateral members and is spaced proximately equivalent to the height of a player's hand, from the palm to the back of the hand. The height of the mounting structure is configured to provide a glove-like fit to the player's hand to allow for fast and easy transition from a forehand to a backhand and to provide more direct control of a ball during play. | 08-20-2009 |
| 20130172133 | TENNIS RACQUET "TRIPLE-AXIS-SYMMETRY" - Tennis racket comprises a rounded-elliptical off-set head frame design, three (3) independents mayor-axis connecting within the racket head-center, head-frame long-axis support parallel long strings setup, head-frame short-axis support parallel short strings setup, head-frame longitudinal-axis support diagonals strings setup and diamond shape configurations. A tennis racket in accordance with this present invention which include an asymmetrical throat portion and connects with an symmetrical straight handle system, the asymmetrical throat top portion connected to the lower portion off-set head-frame, in which the straight left-throat-shaft connects with the head-frame longitudinal-axis and the straight right-throat-shaft connects with the head-frame short-axis, in which the lower portion of the throat (yoke) interconnects with the square top portion of the handle shaft system. With the principal objective is to improving the overall playing characteristic from conventional tennis rackets (in-line-symmetry) to a full ergonomic concept in all ways. | 07-04-2013 |
| 20140038754 | Next-Generation Wooden Racket - The invention relates to a tennis racket including a frame, delimiting a surface strung with cords and forming a screen, and a sleeve extending the frame outside the screen, characterized in that the frame consists of, at least within a peripheral region, a curved laminate comprising at least two layers of different materials adhered together, the laminate being shaped such that, in a closed cross-section of said peripheral region considered to be perpendicular to the neutral fiber of the frame, the center of mass of said cross-section is offset, relative to the surface center of gravity of said cross-section, toward the screen with a value at least equal to 5% of the width of said cross-section, said width being defined by the intersection of the cross-section and the plane of the screen. | 02-06-2014 |
| 473534000 |
With adjustable string-tensioning means | 3 |
| 20140141907 | METHODS AND APPARATUSES FOR ENHANCING PERFORMANCE IN RACKET SPORTS - A racket assembly may include a racket, and at least one sensor operatively coupled to the racket. The at least one sensor may be configured to generate a signal indicative of at least one parameter related to use of the racket. The racket assembly may also include a processor configured to receive the signal as an input and generate an output based on the signal. | 05-22-2014 |
| 20150065277 | MESH RACKET - The present invention discloses a mesh racket and its manufacturing method, comprising a handle ( | 03-05-2015 |
| 20150352411 | RACKET - Performance of a racket can be adjusted. A racket includes a grip, an annular frame that is provided with a plurality of through holes that penetrate from an inner circumferential face to an outer circumferential face, and a shaft that connects the grip and the frame in a shaft axis direction, the frame having a rear end side attachment part, on the outer circumferential face of the frame and on a side closer to the shaft in the shaft axis direction, where there is mounted a rear end side attachment to which a string tensely provided to the frame is routed, and the rear end side attachment being made of a material different from the frame. | 12-10-2015 |
| 473546000 |
Throat wedge, bridge, or reinforcement | 2 |
| 20090163306 | Racket with moveably mounted bridge - The disclosure relates to a racket for ball games, and in particular, a tennis or squash racket, with a head region for receiving a stringing defining a stringing plane, a grip portion for holding the racket, and a heart region wherein the heart region has two arms and a bridge. The bridge may be pivot-mounted on both arms relative to an axis substantially perpendicular to the stringing plane. The present disclosure further relates to a method for manufacturing a racket including the step of manufacturing a racket frame with a head region, two arms, and a grip portion in a blow molding process. The method may also include manufacturing a bridge for a racket frame in the blow molding process. The method may further include connecting the bridge with the remaining racket frame. | 06-25-2009 |
| 20110003654 | RACKET COMPRISING A JOINT - The invention relates to a racket for ball games, in particular a tennis or squash racket, comprising a head region for receiving a stringing as well as at least one joint which is provided in the head region and the joint axis of which is arranged essentially perpendicularly with respect to a stringing plane formed by the stringing. | 01-06-2011 |
| 473532000 |
Having replaceable string frame | 2 |
| 20110287876 | TENNIS RACQUET WITH REPLACEABLE PLAYING SURFACE - A tennis racquet with a replaceable playing surface includes a frame, a cartridge, and a cartridge-lock with at least one key. The frame defines a cartridge support groove, a front upper half-oval bridge and a back upper half-oval bridge. Each bridge includes a head-guard. The front bridge with its head-guard and the back bridge with its head-guard define a planar passage way between the bridges. The cartridge includes a rim threaded with a string. The string defines a playing surface. The cartridge is shaped for removable snug fit in the support groove and in the planar passageway, such that when a replacement cartridge is snug within the frame, and when the at least one key is entered into the at least one key-aperture, the replacement cartridge is locked to the frame. | 11-24-2011 |
| 20140274494 | TENNIS RACQUET WITH ADJUSTABLE FRAME ISOLATION - The present invention is directed to a racquet design with an inner and outer frame connected by an isolation system. Uniquely adapted to tennis racquets, the natural motion of the inner frame relative to the outer frame upon impact of the tennis ball on the inner frame will generate spin when the ball contacts the inner frame. The relationship between the inner frame, outer frame and isolation system can control the spin imparted to the ball for a given tennis swing. The tuning of the isolators relative to conventional racquet characteristics will increase the amount of ball spin caused by conventional racquets. The invention also increases the accuracy of the tennis ball's trajectory. | 09-18-2014 |
| 473547000 |
Having laminated frame | 1 |
| 20100125013 | Sporting Goods With Graphene Material - A racket may include a frame including at least one prepreg layer. The at least one prepreg layer may include reinforcing fibers. The at least one prepreg layer may also include a matrix at least partially surrounding the reinforcing fibers. The at least one prepreg layer may also include graphene material. | 05-20-2010 |
| Entries |
| Document | Title | Date |
|---|
| 20080254921 | Racket frame - A racket frame has a head hoop, a connecting segment, at least two through holes and a handle. The head hoop has a bottom end and a string. The connecting segment is connected with the bottom end of the head hoop and has a yoke, two shafts and a throat. The yoke is formed on the bottom end of the head hoop. The shafts are respectively mounted with the yoke and each shaft has an upper end, a lower end and two sidewalls. The throat is connected to the lower ends of the shafts. The at least two through holes are formed respectively and symmetrically through the sidewalls of the head hoop or the sidewalls of the shaft between the upper end and the lower end. The handle is connected with the connecting segment and has a proximal end. | 10-16-2008 |
| 20080274842 | Sports racket - Defined, is a sport racket with innovative uniform elongated spring bed, uniform man strings and cross strings segments, uniform elongated sweet spot, uniform head structure, innovative robust yoke design, and handle. The sports racquet includes a frame, a yoke and a string-bed. The frame includes a head portion, a handle portion, and a yoke portion positioned between the head and handle portions. The head portion includes an upper region, and first and second side regions. The yoke is coupled to the first and second side regions. The head portion and the yoke define a string bed area. The string bed is formed of a number of cross and main string segments. The main string segments include at least one central main string segment and at least two peripheral main string segments. Each central main string segment has first and second ends wherein the first end engages the head portion and the second end engages the yoke. Each central main string segment is coupled at a proximal end to at least one of the yoke portion. | 11-06-2008 |
| 20090023524 | Device to promote physical fitness, mental agility, adroitness and dexterity - A simple, light-weight, hand-held device, which consists of two (2) working parts. FIG. I (the main handle), with firmly attached to it an aluminum guide channel, or rigid plastic which (for very practical purposes), runs nearly the length of the handle, thereby providing the necessary assurance that the hoop ( | 01-22-2009 |
| 20090042676 | Vibration Attenuating Ball Racquet - Disclosed is a ball racquet having a vibration attenuating compound inserted within the frame of the racquet. The attenuating compound comprises a gel formed from an expoxidized vegetable oil. The gel compound can be placed in varying parts of the racquet. Furthermore more than one insert can be placed within the hollow confines of the racquet structure. | 02-12-2009 |
| 20090082143 | Tennis racquet frame, its method of manufacture, and racquet comprising such a frame - This tennis racquet frame comprises a handle ( | 03-26-2009 |
| 20090215557 | Institutional badminton racket - An institutional badminton racket including a head and a flexible plastic handle. The head has a metal rim around a shuttlecock striking face, and a neck rigidly secured to the rim, where the neck includes a hollow throat extending from the rim away from the striking face with lateral openings through the throat. The handle connecting end includes a first portion extending into the hollow throat, a second portion surrounding the throat, pin portions extending through the throat lateral openings and integral with the first and second portions, and a pair of wings extending generally in the plane in a lateral direction toward the head and including openings therethrough. A Y-clamp is secured around the handle connecting end and the head rim adjacent the head neck and including pins extending through the wing openings. | 08-27-2009 |
| 20090258736 | Device to promote physical fitness, mental agility, adroitness and dexterity - A simple, light-weight, hand-held device, which consists of two (2) working parts. FIG. I (the main handle), with firmly attached to it an aluminum guide channel, or rigid plastic which (for very practical purposes), runs nearly the length of the handle, thereby providing the necessary assurance that the hoop ( | 10-15-2009 |
| 20100160094 | Sports equipment with resonant core bodies and method for production thereof - Provided is a shaped body for production of sports equipment such as tennis, squash, and badminton rackets, golf clubs, hockey and ice hockey sticks and baseball bats. The shaped body includes a core of two tubular resonant bodies, running parallel to and spaced at a distance from each other and surrounded by a common covering. A spacer body with convexly curved opposed ends is arranged between the resonant bodies, whereby the mass of the resonant bodies is greater than that of the spacer body. The vibrations of the two vibrating systems, in the form of the resonance bodies, are overlaid in an advantageous manner, by means of the coupling of the resonance bodies. The invention further relates to a method for the production of the shaped body and the use of the shaped body in sports equipment. | 06-24-2010 |
| 20100298076 | MULTIPLE STRING FOR A BALL GAME RACKET - The present disclosure relates to a string for a ball game racket including at least two parallel filaments, wherein only portions of the filaments are interconnected. Moreover, the disclosure relates to method of producing such a string. A first method includes the steps of providing at least two string filaments, bringing the string filaments together into a parallel configuration and combining portions of the string filaments. An alternative production method includes the steps of providing a string and slitting portions of the string so as to produce at least two parallel filaments of the string, only portions of which are interconnected. | 11-25-2010 |
| 20110105254 | Sports Racquet With Multi-Section Frame - A sports racquet frame is formed from a plurality of frame sections, some sections formed of a single tubular member and other sections formed of double tubular members. The double tube sections preferably contain string port holes. Also, different frame sections can be made of different materials, e.g., carbon fiber-reinforced composites and aluminum. | 05-05-2011 |
| 20110136601 | RACKET STRING AND METHOD FOR PRODUCING THE SAME AND RACKET STRUNG WITH THE SAME - A racket string | 06-09-2011 |
| 20110152016 | Sport racquet - The present invention relates to a method for manufacturing at least a portion of a sports racquet frame that comprises a step a) of providing a moldable tube structure containing a first inflatable bladder and a second inflatable bladder. The first and second inflatable bladders are positioned on opposite first and second regions of the moldable tube structure. At an intermediate region, the tube structure comprises one or more cross channels, which pass through the moldable tube structure. The method according to the present invention comprises also a further step b) of inserting said tube structure inside a mold forming a mold cavity of a desired shape. Mold members are inserted into the cross channels of the tube structure, so that the outer surface of the mold member faces the inner surface of the corresponding cross channel. The mold members have position and orientation that correspond to the position and orientation, along the string bed plane, of the string port holes, which are to be formed on said frame portion. The method, according to the present invention, comprises also a step c) of pressurizing the first and second bladders, so that the tube structure conforms to the shape of the mold, and heating the mold, so that the tube structure cures. The method, according to the present invention, comprises a further step d) of removing the cured tube structure from the mold cavity and removing the mold members from the cross channels. | 06-23-2011 |
| 20140100063 | BADMINTON RACKET - The badminton racket ( | 04-10-2014 |
| 20140296006 | System and Method for a Game Racquet Including an Actuator - The present invention provides a game racquet including an integrated circuit capable of supporting a low-voltage energy current. An embodiment of the invention provides a game racquet including one or more enhancements attached or integrated on the racquet frame. These enhancements may include but are not limited to: one or more LEDs, a sound amplification device, an electromagnetic vibration emitter, and other such enhancements as would be apparent to one skilled in the art. In a further embodiment, the game racquet responds electronically to ball impact on at least one of the strings, and subsequently performs and action or actions including but not limited to making a sound or sounds, triggering lights, triggering LEDs, triggering another type of automation on the racquet such as a vibration emitter within the handle. | 10-02-2014 |
| 20150290501 | RACQUET STRING STRUCTURE WITH CUTTING MARKS - A racquet string structure with cutting marks contains a string body and a plurality of remarked cut areas separately arranged on plural positions of the string body. Each marked cut area has a length which provides an identifiable cutting portion so that the string body is cut exactly and is inserted into the racquet frame. Thereby, the racquet string structure with the cutting marks of the present invention includes the plurality of marked cut areas on which the color and the at least one character or the pattern is printed so that the plurality of marked cut areas are cut into the plural knitting sections precisely and easily, and the length of each single knitting part is adjusted based on the using requirement so that the plural knitting sections are longitudinally and horizontally inserted into the racket frame to form the mesh surface inside the racket frame easily and quickly. | 10-15-2015 |
| 20150306469 | RACKET WITH PIEZOELECTRIC STRINGS | 10-29-2015 |
| 20160199702 | System and Method for a Game Racquet Including a Grommet Actuator | 07-14-2016 |
