Lightweight tennis racket having high frequency
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 22, 2000
Issued Date -
N/A
app pub date -
Jun 22, 1998
filing date -
Aug 22, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lightweight, high stiffness tennis racket includes a frame having a handle portion with butt end, head portion, and strings supported by the head portion. The racket is formed from a composite material including carbon fibers, titanium fibers, and epoxy resin and includes a length of at least about 27 inches, weight of less than about 9.2 ounces when strung, and a frequency of vibration of the first mode of bending under free-free constraint of at least about 175 Hz. The racket includes a vibration damping unit located about at the racket handle.
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Family
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Cited Art Landscape
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