| 摘要 |
<p>A looped racket head 11 has two frame portions 15 which are symmetrically opposite with respect to the longitudinal axis of the head to hold some transverse string lines 16 passing through a central area of the string web 20. These opposite frame portions 15 are provided with two elongated indentations 12 at the inner peripheries thereof to enlarge the distance between the string holes 14 which hold the transverse string lines 16, thereby lengthening the string lines passing through the central area. <IMAGE></p> |
