Matches 1 - 50 out of 50


Match Document Document Title
8303441 Customized racquet stringing system  
A racquet stringing system for use with a stringing machine configured for stringing a racquet having a string bed of racquet string formed of a plurality of main string segments and a plurality...
8206249 Electronic racquet stringing machine  
A tension head for a racquet stringing machine in which roller bearings are used between the outer vice plates and the vice jaws. Also, a pin on one vice jaw extends into a slot in an outer vice...
8196913 Clamping assembly for clamping strings of stringing machine for sport rackets  
A clamping assembly for stringing machine includes a slide member, a positioning device, a control device and a rail. The positioning device and a tube are located on two ends of the slide member....
8075429 Racquet stringing machine  
A stringing machine includes a base and an adjustable stringing platform coupled to the base. The stringing platform includes a turntable rotatable about a first axis, and a first releasable...
8066593 Customized racquet stringing system and method  
A customized racquet stringing system for a racquet having a plurality of main and cross string segments. The stringing system includes a stringing machine having a base and a stringing platform,...
7980968 Stringing device of a racket stringing machine  
A stringing device of a racket stringing machine includes a shell whose internal surrounding surface is defined with a track extending along a straight line; a sliding base accommodated in the...
7862455 Stringing sandwich, an apparatus that lays strings on top of each other within a frame of a racquet  
An apparatus that lays strings on top of each other within a frame; the overlying of the strings, once the process is finish, will create the arrays of intersections between the vertical and...
7833118 Racquet stringing machine  
An ergonomically-designed racquet stringing machine. The stringing machine includes an electronic control unit coupled to a platform and/or to a height adjustment assembly. The control unit is...
7695383 Racquet stringing machine  
An ergonomically-designed racquet stringing machine. In certain embodiments, the stringing machine includes a stand extending from a base at an angle between about 70 and about 89 degrees from...
7662056 Racket stringing machine  
A racket stringing machine comprises includes a horizontal adjustment device and a brake device. The adjustment device is fixed to a base by a horizontal mounting seat which includes a horizontal...
7485055 String clamping device  
A string clamping device includes a base with two first sidewalls and a movable unit is located between the two first sidewalls and a guide member is connected to an end of the movable unit. A...
7468011 Work table apparatus for a stringing machine for tennis rackets  
A work table tilting apparatus for a stringing machine for tennis rackets which allows free tilt at any angle toward the front of the user.
7455604 Height adjusting device for use in string pulling block of stringing machine  
A height adjusting device for use in a string pulling block of a stringing machine includes a rod member combining with a string pulling block of the stringing machine for moving relative to the...
7448970 Height adjusting device for use in string puller of string pulling block of stringing machine  
A height adjusting device for a string puller of a string pulling block of a stringing machine includes a rod member. The string pulling block is allowed to move relative to the rod member and...
7252606 Clamping device for clamping strings of stringing machine for sport rackets  
A clamping device for stringing machine includes a slide member, a positioning device, a control device and a rail. The positioning device and a tube are located on two ends of the slide member....
7192370 String tensioning force controlling apparatus for a racket stringer  
A string tensioning force controlling apparatus for a racket stringer includes a string pulling mechanism having a support housing, a string pulling head movably supported by the support housing...
7153226 String-pulling device of a racket stringing apparatus  
A string-pulling device of a racket-stringing apparatus, including a housing, a driving unit, a string-pulling head, a control box and a memory. The driving unit is arranged in the housing. The...
7144342 String pulling head structure of a racket stringer  
A string pulling head structure of a racket stringer, including a first string chuck and a second string chuck fixed with each other and a first chucking plate and a second chucking plate disposed...
6837811 String pulling device for racket stringer  
A string pulling device for a racket stringer includes a base, a rotation unit, a drive unit, a string pulling unit, and a top cover. Thus, the rack of the drive unit meshes with the gear of the...
6764418 Stringer of a racket  
A racket stringer includes a work table, and two opposite fixing devices each mounted on the work table and each including a rack, a guide plate, two foot posts, a support shaft, and a press rod....
6712723 Tennis racket stringing machine  
Disclosed is a tennis racket stringing machine. The machine comprises racket fastening means including a lower supporting plate on which a head frame of a tennis racket is seated to be securely...
6583590 String drawing device for a racquet  
A string drawing electrical device for a racquet has a casing, a string holder, an actuating device and a control unit. The string holder is rotatably attached to a panel of the casing. The...
6533687 String clip positioning device of a racket string stretcher  
A string clip positioning device of a racket string stretcher includes a slide seat, a pusher, a positioning member, and a track. The slide seat is mounted the track, and is provided with a seat...
6398674 Gut-clamping mechanism in gut-stretching equipment for tennis rackets  
A gut-clamping mechanism for use in stringing tennis, badminton, squash, and racquetball rackets. The apparatus includes a support post erected on a clamp block, a pair of holders wherein one...
6280355 Racket stringing clamp  
A racket stringing clamp for clamping diagonal racket strings which clamp has generally configured teeth projecting into spaces which are to be bordered by string segments. The clamp includes jaws...
6227990 Electronic racket stringing machine  
A racket stringing machine consists of a racket cradle assembly, to lock a racket frame in place, and a tension head assembly to grip and apply tension to the string during the stringing or...
6162139 String tensioning device  
A string tensioning device for a racquet stringing machine. The device includes a stallable electric motor for providing torque to a tensioning shaft and an electric control circuit for regulating...
6093121 Swivel clamp for racket stringing  
A clamp for stringing rackets having conventional and fan pattern designs is provided. The clamp has a body, a support shaft and a base. The body has two members which cooperate to clamp a string...
5908362 Tensioning device for stringing sports racquets having a string guide for maintaining constant string line of action to string gripper  
A racquet stringing machine includes a base, a racquet mounting frame attached to the base for mounting and securing a racquet to be strung with string, a string clamping device which holds the...
5846146 Device for repairing or replacing a broken string on a racket  
The present invention relates to a device for repairing or replacing a broken string on a racket. The device comprises a first string gripping member for gripping a portion of a broken or...
5820500 Non-rotating racquet and stringing machine and method  
A racquet stringing machine which accomplishes tensioning of the strings of a racquet by the use of one or more combination tensioning and holding clamp units which operate directly on the string...
5222998 Device for facilitating application of variable tension to sports racquet stringing bed  
A device can be provided in different embodiments for holding different tensions in different length string sections of a sports racquet stringing bed. In one embodiment, a strip of material is...
5120056 Stringing tool for sports rackets  
A portable, hand-held string tensioning device for tensioning a selected string portion of a sports racket includes a support bracket attached to the body portion of the device for supporting the...
4874170 String clamp for racquet stringing machine  
A toggle action string clamp for a racquet stringing machine comprises two vise members movable along positioning glide bars attached to the stringing machine, which can be locked to the bars and...
4620705 Racket stringing device  
A gut stringing device for stringing a tennis racket or the like which permits accurate adjustment of a tension applied to the string. The device has a threaded screw and a nut mounted on it....
4494752 Racket stringer and tensioner  
A device for stringing tennis rackets and the like, and for tightening sagging strings, which, in the preferred embodiment comprises three rows of rollers clamped around two adjacent strings...
4484742 Stringing tool for tennis rackets and the like  
A stringing tool for a racket, such as a tennis racket for example, provided with individual strings for the net-like interlacing stringing covering the open area of the racket frame, each...
4455021 Method of stringing or restringing a tennis racket  
A hand tool for use in stringing or restringing tennis or similar type racquets, consisting of a bracket that clamps to the recquet. The bracket has an extension protruding from it which acts as...
4452452 Apparatus for stringing a racket frame  
An apparatus for lacing the lateral strings in a racket frame which has already been strung with the longitudinal strings. The apparatus consists of a lower beam provided in its upper surface with...
4339131 Racket stringing device  
A device for aiding in the placement of cross strings in a racket head and having a plurality of transversely spaced substantially coplanar string-bearing surfaces adapted for mounting on a first...
4311069 Wire pulling hand tool  
A hand tool for pulling a single wire or contact into a connector block includes a thumb lever for effecting a gripping action on the wire or contact and a trigger member for moving an outer...
4270752 Reverser apparatus for tennis rackets  
A reverser apparatus for facilitating the cross stringing of tennis rackets to prevent the strings from frictional contact when pulling the cross strings through the longitudinally extending main...
4234111 Device for threading strings or the like  
A device for threading strings or the like through bores of an anchoring part consisting of a tube detachably secured to a handle with a stylus extending from the handle and being received within...
4125259 String clamping device and support structure therefor for racket and like stringing machines  
An improved string clamping device for racket and like stringing machines, which includes an elongated housing having spaced and opposed side walls and open opposite ends, the side walls of said...
4082272 Tennis racket string positioning device  
A device has an elongated body member with pivoted fingers depending therefrom and notched on their opposite sides for positioning between and engaging with the warp strings of a tennis racket so...
4049268 Racket string clamp  
A hand tool used in the stringing of a tennis racket, for holding the tension of a string by attaching it to an adjacent string, which features a spacer held between two clamping members forming...
3994496 Sports racket stringing aid  
A portable device for installing transverse strings in a sports racket having previously installed longitudinal strings. One end can be hooked under existing strings for support, while the bottom...
3874638 Wire or rope tightener  
A slightly angulated elongated body has a slotted capstan projecting from one side thereof, the slot forming two segmental legs about which the rope or wire to be tightened is wrapped or wound....
3837649 TENSION ADJUSTING DEVICE FOR SPORTS RACKET STRINGS  
A pocket-sized device for stringing tennis rackets is held against the racket frame by a newly inserted racket string, wound around one end of the operating handle. A torsion spring connects the...
3284050 Clamping tensioned strings for the stringing or restringing of rackets  

Matches 1 - 50 out of 50