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Document Title |
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7123028 |
Force detector
The invention provides a force detector in which power consumption is suppressed. Four electrodes E 11 through E 14 are formed on a substrate, and an elastic deformable body formed of a rubber...
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6859048 |
Force detector
The invention provides a force detector in which power consumption is suppressed. Four electrodes E 11 through E 14 are formed on a substrate, and an elastic deformable body formed of a rubber...
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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...
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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...
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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 Cartesian,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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3441275 |
RACKET STRINGER
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2971760 |
Apparatus for stringing tennis rackets and the like
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