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| Number | Title | Issue Date |
| 7938747 | Game racket including a pivot element The present invention is intended for use as a game racket including a handle and a head frame with strings held in tension. In particular as a high performance game racket frame including at least one generally tubular, substantially circular pivot element located ... | 05/10/2011 |
| 7431673 | Racket In a racket frame, a yoke part is disposed between left and right portions of a bifurcated throat part continuous with a head part and with a shaft part. A ball-hitting face is formed with the yoke part and the head part. The head part and the yoke part have a plura... | 10/07/2008 |
| 7396303 | Sports racquet with insert members for anchoring strings The sides of a sports racquet, and optionally the tip and throat bridge, include axially extending cutout portions. An insert member, having a plurality of string port holes and optionally conventional string holes, is seated in each cutout portion. The frame and in... | 07/08/2008 |
| 7371197 | Safety racket A safety racket includes a head frame, a handle, a connecting portion, several nail members and a string. The head frame has a plurality of through holes. The connecting portion connects between the head frame and the handle. The nail members each have a head and at... | 05/13/2008 |
| 7309299 | Sports racquet with frame openings 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 of a pair of contiguous strin... | 12/18/2007 |
| 7285062 | Racquet having cantilevered hoop portions A sports racquet including a frame, a string bed, and at least one cantilevered member. The frame includes a head portion coupled to a handle portion. The head portion includes a distal region, first and second side regions, and a proximal region. A string bed is fo... | 10/23/2007 |
| 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 sweet spot. The frame has an upper portion on an opposing end of the... | 12/05/2006 |
| 7140985 | Stringing indicia for sports racquets In a sports racquet, anchor points for a string are marked with indicia to assist a stringer in stringing from one anchor point to a next anchor point. In a preferred embodiment, one of the anchor points is a bearing assembly located within a hollow cavity in the ra... | 11/28/2006 |
| 7097576 | String bearing assemblies for sports racquets A bearing assembly is at least partly disposed within the hollow stem or handle of a sports racquet. A plurality of curvilinear channels are disposed at different lateral locations in a direction which is at a substantial angle to the longitudinal axis of the racque... | 08/29/2006 |
| 7081056 | Sports racket having a uniform string structure A sports racket, for tennis and the like sports, has an elongated handle attached to a head having a racket face, which is spanned by a uniform string structure. The head has four sides, forming a non-elliptical shape, in which the opposite sides are substantially p... | 07/25/2006 |
| 7077768 | Composite racquet with double tube head frame A sports racquet frame is built of a composite of laminations of fibrous material as impregnated by a thermosetting resin. The head section of the frame has an upper tube preferably disposed above the string bed plane and a lower tube preferably disposed below the s... | 07/18/2006 |
| 6971964 | Compound spring element for a game racket A compound spring element for a game racket frame is provided. A resilient casing forms the spring element, with its profile having a first side portion and a second side portion defining at least one space between them. The at least one space contains at least one ... | 12/06/2005 |
| 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 of the frame include a plurality of undulations that extend towards an... | 10/25/2005 |
| 6955618 | Adjustable tension stringed racquet A stringed racquet includes a built-in, user-adjustable mechanism for changing the tension of the strings. The user-adjustable mechanism is disposed in a cavity within the handle of the racquet, and includes a mandrel over which at least some of the vertical strands... | 10/18/2005 |
| 6935974 | Racquet strung with bypass string pattern A sports racquet strung with a bypass string pattern has a frame with a first side and an opposed second side. The second side of the frame has a plurality of spaced apart string anchoring points. A string bed including a string having a plurality of string segments... | 08/30/2005 |
| 6935975 | Racquet with channeled handle for receiving racquet string A sports racquet extending along a longitudinal axis. The racquet includes a head portion and a handle portion. The head portion defines a string bed area. The handle portion has a distal end and a proximal end. The distal end of the handle portion is coupled to the... | 08/30/2005 |
| 6852048 | Guiding and vibration dampening string tubes for sports racquets A string guide system is disposed within the hollow stem of a sports racquet and guides the continuous string at least through a turn for redirecting the continuous string back out of the cavity and toward the string bed. The redirection defines shared ends of a pai... | 02/08/2005 |
| 6811502 | Racquet with elongated peripheral main string segments and enlarged sweet spot A sports racquet including a frame, a yoke and a string bed. The frame includes a head portion, a handle portion, and a throat portion positioned between the head and handle portions. The head portion includes an upper region, and first and second side regions. The ... | 11/02/2004 |
| 6796916 | 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 sweet spot. The frame has an upper portion on an opposing end of the... | 09/28/2004 |
| 6764417 | Racquet strung with bypass string pattern A sports racquet strung with a bypass string pattern. The sports racquet includes a frame having a first side and an opposed second side. The second side of the frame has a plurality of spaced apart string anchoring points. A string bed including a string having a p... | 07/20/2004 |
| 6638187 | Racket frame without the need of drilling holes An improved racket frame without the need of drilling holes comprises two compound material pipe bodies. A plurality of U-shaped embedded tubes are uniformly clamped between the two pipe bodies with two openings of each of the U-shaped embedded tubes faci... | 10/28/2003 |
| 6589125 | Compound material frame body without the need of drilling holes The present invention provides a compound material frame body without the need of drilling holes. A plurality of symmetric embedded tubes are clamped between two compound material pipe bodies. An outmost compound material layer sheathes the compound mater... | 07/08/2003 |
| 6572498 | Ball launching racket An improved ball launching racket has a flexible net disposed within a central opening of a racket by a plurality of removable clip and elastomeric band assemblies. The construction of the clip facilitates expedient mounting and removal of the elastomeric... | 06/03/2003 |
| 6540626 | Racket structure with ball-striking racket face Racket structure with ball-striking racket face, including a racket frame having an inner and an outer frame faces respectively formed on two radially opposite sides of the racket frame. The racket frame is formed with multiple through holes forming openi... | 04/01/2003 |
| 6527656 | Two-piece grommet assembly for a sports racquet A two-piece grommet assembly for a sports racquet. The sports racquet includes a frame having a plurality of grommet holes and at least one racquet string. The grommet assembly includes first and second grommet members. The first grommet member includes a... | 03/04/2003 |
| 6503161 | Game racket including a string suspension system A racket includes a frame, at least one string and a particular portion The frame includes a handle portion and a head portion. The string is connected to the frame to provide a string tension. The particular portion is composed of a non-fluid material an... | 01/07/2003 |
| 6440015 | String fastener for a racket A string fastener for a racket includes an annular U-shaped wall, a plurality of tubes spaced apart equidistantly on inner side of the U-shaped wall, and each tube has a string hole inserted therethrough and in a racket frame. The U-shaped wall is formed ... | 08/27/2002 |
| 6432005 | Racket with lengthened longitudinal strings A racket includes a frame, a Y-shaped throat integrally extending from the frame, a shaft integrally extending from the throat and a handle formed on the free end of the shaft. An end piece is attached to a free end of the handle. The end piece includes a... | 08/13/2002 |
| 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 curve inwardly toward one another and then converge linearly.... | 03/19/2002 |
| 6336877 | Racket stringing guide recessed on the frame side A racket includes a frame in which through-holes are made, shank carrying cleats including a pair of shanks which are engaged in the holes, and a stringing mounted on the frame by threading through the shank-carrying cleats, so as to produce a string patt... | 01/08/2002 |
| 6319160 | Tennis racket with paired rollers An attachment for a tennis racket is provided. The attachment has a curvature capable of engaging with a U-shaped groove of the frame of the racket, a pair of first and second lateral walls connected by two end portions without a bottom, a plurality of sh... | 11/20/2001 |
| 6319158 | Game racket with elongated slot in yoke portion A game racket includes elongated main strings which extend through a slot in a yoke portion of the head. In one embodiment the lower ends of the main strings pass through string holes in a second throat bridge below the first throat bridge. In another emb... | 11/20/2001 |
| 6280354 | Monolithic string network for sport rackets A string network for sports rackets comprises joined rectilinear string segments forming a single monolithic volume with regular openings. String networks with openings of quadrilateral, hexagonal and triangular form are shown. Being bonded and secured to... | 08/28/2001 |
| 6217466 | Racquet and method of stringing a racquet The invention provides an improved racquet and a method of stringing a racquet wherein the racquet includes grommets that are divided into visually differentiated groups in order to make stringing the racquet quicker and easier. According to one embodimen... | 04/17/2001 |
| 6179735 | Apparatus and method for maintaining differential tensions in the strings of a sporting racket The present invention relates to an method and apparatus for springing sporting racquets to maintain differential tensions between racquet strings within the racquet, so that it is possible to provide racquets having predetermined properties of elastic qu... | 01/30/2001 |
| 6071203 | Two piece sports racquet A composite sports racquet includes a head portion which is formed by an upper frame half and a lower frame half. Each frame half is a tubular frame section, and includes a generally flat wall. The two walls are bonded to one another to form a unitary hea... | 06/06/2000 |
| 6062994 | Reinforced racquet with flat string bed A sports racquet has a head frame that includes a support member and an inwardly directed alignment member or fin. String segments are strung from a central strung area through respective holes in the fin, around the support member and back through furthe... | 05/16/2000 |
| 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, in combination, an overall length of between 500 mm and 58... | 05/09/2000 |
| 6027419 | Method of tensioning the strings in a racquet A method of stringing a racquet includes independently tensioning a plurality of strings in the racquet and maintaining the independent tensioning. Individual strings are held and their tensioning maintained using cleats and grommets. In this fashion, the... | 02/22/2000 |
| 6027420 | Sports racket having a frame with discontinuous boundary A sports racket, particularly a tennis racket, comprises a handle and a frame, including a head part, a middle part, a throat element and a shank element, and a string system composed of a lateral string segments and a longitudinal string segments, wherei... | 02/22/2000 |
