Matches 1 - 41 out of 41
Match Document Document Title
6998525 String tensioning device for a string instrument  
String tensioning system for a stringed instrument having an instrument body, at least one tensionable string that is fixed at both its ends to the instrument body, and a chamber accommodating a...
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,...
6530851 Ball racket with damped two part profile  
This invention refers to a novel ballgame racket, especially a tennis racket, including a racket head formed by a tension frame with stringing, and also having a grip portion joining the tension...
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...
6027419 Method of tensioning the strings in a racquet  
5879248 Stringed sports racquet incorporating interlocking string clamps  
The sports racquet of the present invention utilizes a series of interlocking string clamping assemblies which are adapted to be received within a corresponding series of passageways formed in the...
5863267 Racket device and associated method of stringing a racket  
A racket is provided such as that used in the game of tennis, racquetball, squash, badminton and the like. The racket has a frame head that defines the periphery of a generally oblong shaped area....
5720680 Stringed racket tensioning mechanism  
A mechanism for adjusting string tension of stringed rackets allows for increasing the tension of the racket strings without having to release the racket strings, without destabilizing the racket...
5667216 String assembly for a racket  
There is defined a racket assembly comprised of a frame portion and a handle portion wherein the frame portion is provided with orifices for tensioning each string wherein each string assembly is...
5458331 Game racket with adjustable string suspension system  
The string suspension system comprises a primary racket frame (12) joined about the racket head (14) by two suspension frames (22 and 22') to form dual volumetrically adjustable air chambers (44...
5294116 String tensioning system for ball racket  
A string tensioning system is provided for ball rackets, in particular for tennis rackets and squash rackets. The string tensioning system, formed by a string tensioning member (1), is insertable...
5029857 Frame with adjustable string tensioning means  
A tennis racket frame (1) strung with strings (2) under tension has two ends (4, 5) neighboring each other, joined in each instance by a flexible brace (6, 7) to a holding member (3), which ends...
4995608 Stringed frame with adjustable tensioning  
A frame (1), for example for a tennis racket, is arranged in a plane and is designed to be deformable by bending within its plane and is strung on its interior with strings (2) or the like under...
4976433 Racket, and more particularly a tennis racket  
According to an illustrative example of this invention, a gas spring is incorporated into a tennis racket. This gas spring is connected with some of the strings such as to maintain a predetermined...
4880234 Training racket for propelling baseballs and softballs  
A training racket for propelling baseballs and softballs comprising an open frame having an elongate handle attached to and extending outwardly from an end of the frame and a net having a flexible...
4783072 Sporting equipment  
A tennis racket has a head having head strings passing through string holes and lieing substantially in a single plane. There is a groove running along a portion of the outside periphery of the...
4765621 Tennis racquet  
The present invention relates to a tennis racquet in which the stringing is at least partially constituted by a single string which passes around rollers disposed in the frame and of which at least...
4754968 Racket having unique stringing pattern  
The lengths of string (22 and 24) of a racket, more specifically a tennis or squash racket, are trained over bend points of the frame (12) with a low degree of friction and are so strung backwards...
4732384 Racquet having centralized sweet spot  
A racquet for striking a ball or other projectile in a game, having a stringed head, in which the racquet is so constructed that, for an impact in the region of the sweet-spot, each of those...
4721304 Racket string tensioning device  
A tension adjusting device for rackets. The system allows the player to adjust the tension of a number of strings while in the course of a match. By rotating a device having an offcenter hole and...
4662632 String tensioning device for use on rackets for ball games  
Device for the adjustment of ball game rackets which is intended to bring about the desired tension in a racket surface through adjustment of the tension in the strings and which consists of a...
4613138 Tennis racquet with flexible membrane frame  
A tennis racquet which utilizes an energy input system is disclosed. The racquet head employs a flexible membrane which is held in place by membrane carriers secured to the interior of the head and...
4595201 Tensionable racket having unique stringing pattern  
The lengths of string (22 and 24) of a racket, more specially a tennis or squash racket, are trained over bend points of the frame (12) with a low degree of friction and are so strung backwards and...
4593905 Racquet stringing system with string tension indicating means  
A racket having strings strung across the head portion of the frame in which the strings have threaded end portions for engagement with correspondingly threaded nuts. Additionally, the threaded...
4566695 Game racket having adjustable string mounts  
A racket having a rectangularly shaped head portion with holes located therein for the reception of adjustable string mounts. The adjustable mounts consist of a threaded end for engagement with a...
4512576 Strung racket and tension adjusting device therefor  
A tension adjusting device for a racket consists of two engageable parts. A first part is oblong and U-shaped in cross-section and is attached to one side of the strung surface of the racket. The...
4340225 Game racket and apparatus for adjusting the tension in the strings of a game racket  
A game racket and apparatus for adjusting the tension in the strings of a game racket. The game racket has a frame which forms a head. A handle is connected to the frame. The frame has a series of...
4206917 Sports racquet  
The strings of a tennis racquet are tensioned by passing over a liquid-containing flexible tube in the frame of the racquet with means provided in the handle of the racquet for providing pressure...
4203597 Throatless tennis racquet  
An adjustable throatless tennis racquet including a head portion formed of two similar members disposed in spaced relation with respect to one another and separated by a plurality of spacers...
4163553 Tennis racket and stringing method  
A tennis racket head is strung with string sections between frame support points formed into zig-zag segments which have multiple junction points with other string sections to hold the strings in...
4118029 Method for making a tennis, badminton or similar racket net, net obtained by this method and racket comprising this net  
A method is disclosed for making a tennis, badminton or similar racket net. A board being provided with projecting nails, a thread or catgut is placed on the board along the sinuous contour of the...
4102533 Adjustable head racquet frame  
This invention relates to an improved racquet frame of the type having a stringable head characterized by a construction wherein said head comprises a loop formed intermediate the ends of an...
4099717 Adjustable tension tennis racket  
A game racket with adustable string tension including a vertically movable tension bar positioned between the throat and handle sections, perpendicular to the plane of the racket, which engages...
4099716 Game racket  
A game racket having a string net, the tension of the strings in the net being easily adjustable. The racket has a handle, a hoop attached to the handle, and strings forming a net across the hoop....
4061333 Adjustable tennis racquet  
A tension device on a tennis racquet which when activated can adjust the tension of the strung area after the tennis racquet has been completely strung. This new invention consists of movable...
4057249 Tennis racket  
A tennis racket or the like is provided with two similar frame elements formed of tubular material and secured together in parallel spaced relation. Sheaves are mounted on the frame elements in the...
4026553 Racket for tennis, badminton, squash or the like  
A racket for tennis, badminton, squash or the like. The racket has a generally conventional oval frame with a handle. A one-piece molded plastic meshed netting is provided with oval strands...
4013290 Racket for tennis and similar games  
An improved racket is provided, for tennis and similar games, which incorporates a means for adjusting the string tension so that a proper tension may be maintained at all times when the racket is...
3990700 Adjusting string tension  
A game racket with adjustable string tension includes a yoke in the throat portion of the racket to which main strings may be secured that engages opposed inside portions of the frame in the throat...
3724850 RACKET WITH STRING TENSION ADJUSTING MEANS  
An improved game racket is provided, for tennis and other games, which incorporates means for adjusting the strings of the racket so that they may always be maintained at proper tension when the...
3546751 PLASTIC TENSIONING LEVER OF A BUCKLETYPE FASTENING DEVICE FOR SKI AND MOUNTAINEERING SHOES  
Matches 1 - 41 out of 41