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Title: Implement for striking a ball

Abstract: This invention relates to means for suppressing vibration in implements which serve to strike the ball and comprise a striking surface, a hoop which encloses the striking surface, and a handle. The invention relates particularly to tennis rackets and aims at suppressing the high-frequency vibration which is excited by the impact of the ball. In these striking implements, at least two longitudinal or transverse strings or at least one longitudinal string and at least one transverse string are mechanically coupled to each other by a vibration absorber.


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Inventors: Staufer, Adolf (Ried im Innkreis, AT)

Application Number: 816032
Filing Date: 1977-07-15
Publication_date: 1979-12-25
Assignee: Fischer Gesellschaft m.b.H. (Ried, AT)
Primary Class(es): 473/522
Other Classes:
US Patent Ref:
1526734Feb, 1925Andrews et al.273/73.
2528239Oct, 1950McVay16/110.
2732209Jan, 1956Forbes273/73.
3941380Mar, 1976Lacoste273/73.

Other Refs: 3322704639972501659715356786619139883320158 of267837331925547946
Sep, 1976AT
Aug, 1928DE2
Jul, 1976DE
Sep, 1931FR
Jun, 1935FR
Apr, 1965FR
, 1899GB
Mar, 1927GB
Jul, 1930GB
Sep, 1942GB

Primary Examiner: Apley, Richard J.
Assistant Examiner:
Attorney: Fleit & Jacobson