Improvements in or relating to tennis rackets

  • Inventors:
  • Assignees: Carl Georg Staub
  • Publication Date: January 09, 1939
  • Publication Number: GB-498430-A

Abstract

498,430. Tennis rackets. STAUB, C. G. Jan. 31, 1938, No. 3014. Convention date, Feb. 5, 1937. [Class 132 (ii)] A tennis racket is characterized in that the head-frame thereof consists of a one-part moulded body, the two oppositely situated annular parts and the string-tensioning members connecting these annular parts being formed by a single body. The strings 4 are slung over semicircular pins 2 formed by the interconnecting pieces between the annular parts and have their ends held in conical sleeve members 5 which can be engaged by a screwthreaded 'tightening sleeve provided with a gauged tension spring for adjusting the tension of the strings. A removable metal strip 10 is inserted in the outwardly facing groove of the frame 1, the front being corrugated as shown in Fig. 1a, and being tensioned and locked by arms 11 engaging recesses 12 in the frame. Handle.-The handle 8 is of thin sheet metal and may be formed integrally with the frame. A hollow body 16 is adapted to be moved inside the handle by a screw and screw-bore arrangement 14, 15, so displacing a pasty material 17 of high specific gravity, for balancing purposes. In a modification, solid weights are held in position by felt discs near the end of the handle. Additional weights may be similarly arranged at the head of the frame.

Claims

Description

Topics

Download Full PDF Version (Non-Commercial Use)

Patent Citations (0)

    Publication numberPublication dateAssigneeTitle

NO-Patent Citations (0)

    Title

Cited By (14)

    Publication numberPublication dateAssigneeTitle
    DE-3100426-A1December 10, 1981Amf IncFederzange
    FR-2465494-A1March 27, 1981Amf IncDispositif de pince, notamment pour corde de raquette
    US-3941380-AMarch 02, 1976Patentex S.A.Tennis rackets and similar implements with vibration damper
    US-3994495-ANovember 30, 1976Stoffel Robert WTennis racket
    US-4042238-AAugust 16, 1977Composite Structures CorporationRacket
    US-4203596-AMay 20, 1980Nippon Gakki Seizo Kabushiki KaishaRacket and a method for manufacturing same
    US-4309033-AJanuary 05, 1982Amf IncorporatedClamping apparatus
    US-4333649-AJune 08, 1982Amf IncorporatedRacket string clamp
    US-4593905-AJune 10, 1986Jack AbelRacquet stringing system with string tension indicating means
    US-4609198-ASeptember 02, 1986Tarr Robert GRacket handle assembly having vibration dampening characteristics
    US-4741531-AMay 03, 1988Yvan SzedressyStringing system for a racket and method for stringing a racket
    US-5088734-AFebruary 18, 1992Glava Gary LAttenuating handle for recreational and work implements
    US-5197732-AMarch 30, 1993Lanctot Paul ATennis racket
    US-5816960-AOctober 06, 1998Athletics Alternatives, Inc.Handle and grip for sports rackets