Matches 1 - 16 out of 16

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8955398 Individual tensiometer for measuring tension in a string  
An individual tension meter (1) for measuring tension in a racquet string (9), includes a graspable body (10) and a stress member (2) for stressing the string (9) that are movable relative to each...
7123028 Force detector  
The invention provides a force detector in which power consumption is suppressed. Four electrodes E11 through E14 are formed on a substrate, and an elastic deformable body formed of a rubber film...
6593729 Position measuring device for detecting displacements with at least three degrees of freedom  
The invention comprises a fixed platform (1) and a displaceable platform (2) that are coupled by six tension springs (3) and an elastic spacer member (6). The spacer member forms with each...
6119530 Force sensing device  
A force sensing device for use in analyzing the movement of a person or animal. The device includes a base and a platform supported on the base by ball casters. The platform includes first and...
5805137 Touch sensitive input control device  
A family of controllers incorporate multiple force/touch sensitive input elements to provide intuitive input in up to six degrees of freedom, including position and rotation, in either a...
5481926 Tension tester of tennis racquet string  
A tensiometer for measuring the tension in the individual strings of a tennis racquet featuring a pair of rods which stradle the string to be tested, the rods extending from a base, a lever disk...
5406827 Pitch/tension device  
The pitch/tension device is a device to determine the tension, in pounds, in a taut string or strings, such as a tennis racket.There are two methods of determining the tension. In the first...
4864875 Digital electronic calibrator for tennis racket stringing machines  
A device for checking the calibration of tennis racket stringing machines, having an input rod to which a non-stretch cable is attached for attaching to the tension head of a stringing machine, a...
3964291 Tennis racquet stringing calibrator  
A calibration device is disclosed and claimed herein for determining the accuracy of a tennis racquet stringing machine. A cross member is securable in the machine in similar fashion to a racquet...
3918713 Racket stringing machine  
A racket stringing machine which includes a turntable for supporting the racket to be strung in a given plane, a capstan for receiving and tensioning the string being strung on the racket and a...
3913912 Racket stringing apparatus  
Apparatus for stringing rackets having a vertical column, a work head assembly rotatably mounted on the column on which the racket is clamped, a tensioning assembly mounted on the column for...
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...
3823609 STRING TENSIONING MECHANISM  
The invention relates to racket stringing apparatus including novel means for tensioning the strings thereof during stringing of a racket frame and determining the degree of tension applied.
3635080 RACKET-STRINGING MACHINE WITH AUTOMATIC LOCKING  
A turntable having an upright U-shaped yoke, provided with clamps for holding a horizontally disposed racket frame at its top, is automatically locked during successive power-actuated pulls of the...
3441275 RACKET STRINGER  
2971760 Apparatus for stringing tennis rackets and the like  
Matches 1 - 16 out of 16