EP0397832B1 - Schläger für ballspiele - Google Patents

Schläger für ballspiele Download PDF

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Publication number
EP0397832B1
EP0397832B1 EP89912806A EP89912806A EP0397832B1 EP 0397832 B1 EP0397832 B1 EP 0397832B1 EP 89912806 A EP89912806 A EP 89912806A EP 89912806 A EP89912806 A EP 89912806A EP 0397832 B1 EP0397832 B1 EP 0397832B1
Authority
EP
European Patent Office
Prior art keywords
racket according
handle
racket
core piece
rubber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89912806A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0397832A1 (de
Inventor
Klaus Walkhoff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Head Sport GmbH
Original Assignee
Head Sport GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Head Sport GmbH filed Critical Head Sport GmbH
Priority to AT89912806T priority Critical patent/ATE95072T1/de
Publication of EP0397832A1 publication Critical patent/EP0397832A1/de
Application granted granted Critical
Publication of EP0397832B1 publication Critical patent/EP0397832B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B49/00—Stringed rackets, e.g. for tennis
    • A63B49/02—Frames
    • A63B49/08—Frames with special construction of the handle
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/32—Handles with means for changing the angular position of the handle about its longitudinal axis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/54—Details or accessories of golf clubs, bats, rackets or the like with means for damping vibrations

Definitions

  • the invention relates to a racket for ball games, with a grip part and an associated striking part with a striking part, the striking part being rotatable relative to the grip part about the longitudinal axis of the grip part and between the grip part and the striking part limiting such a rotation, elastic deformable damping device is arranged, which has a rubber spring element. It can be a tennis, badminton or similar racket.
  • the racket according to the invention does not differ in any way from another racket if the damping device is completely accommodated within the handle part.
  • Claims 7 and 8 describe embodiments in order to implement the setting option with simple mechanical means.
  • Claim 10 describes an embodiment in which each tendon interacts with two bodies, so that there is a uniform distribution of the load on the body of the spring element when using two tendons.
  • the tennis racket shown in FIG. 1 has a handle part 10 and an associated impact part 16, consisting of a frame 12 and a covering serving as the striking surface 14.
  • a joint 18 indicates that the grip part 10 is decoupled from the striking part 16 by the two parts being rotatable relative to one another to a limited extent in accordance with the arrows 20 and 22, as is indicated by the dashed line 24 surrounding the frame 12.
  • the handle part 10 consists essentially of the handle 26.
  • FIG. 3 shows a cross section of the handle 26 shown in FIG. 2.
  • the core piece 32 has the shape of a prism.
  • the tube section 34 corresponds on the outside in profile to a flat octagon and on the inside has two essentially rectangular, niche-like cavities 40 for receiving 4 rubber-elastic bodies 36.
  • the cross section of the elastic rubber bodies 36 corresponds essentially to an isosceles triangle.
  • the core piece 32 is hollow in the exemplary embodiment, but it can also be made from a full profile, depending on the material used.
  • the arrows 42 and the dashed lines 32a of the core piece 32 indicate the possibility of deflecting the core piece 32 relative to the pipe piece 34.
  • the shock wave transmitted to the handle or to the hand or arm is reduced by the energy loss per vibration.
  • the energy loss is ideally between 15 and 20%.
  • the tennis player has the possibility of adjusting the preload of the spring element 30 ′′ on the adjusting screw 70 according to his needs.
  • the rubber-elastic body 36 is more or less biased.
  • the two movable prismatic projections 56 serving as tensioning members each have two tensioning surfaces 80, which are at least approximately at a right angle stand to each other and each of which faces a rubber-elastic body 36.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Prostheses (AREA)
  • Golf Clubs (AREA)
  • Mechanical Control Devices (AREA)
EP89912806A 1988-11-22 1989-11-22 Schläger für ballspiele Expired - Lifetime EP0397832B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89912806T ATE95072T1 (de) 1988-11-22 1989-11-22 Schlaeger fuer ballspiele.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4322/88A CH676431A5 (enrdf_load_stackoverflow) 1988-11-22 1988-11-22
CH4322/88 1988-11-22

Publications (2)

Publication Number Publication Date
EP0397832A1 EP0397832A1 (de) 1990-11-22
EP0397832B1 true EP0397832B1 (de) 1993-09-29

Family

ID=4273920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89912806A Expired - Lifetime EP0397832B1 (de) 1988-11-22 1989-11-22 Schläger für ballspiele

Country Status (4)

Country Link
EP (1) EP0397832B1 (enrdf_load_stackoverflow)
CA (1) CA2003576C (enrdf_load_stackoverflow)
CH (1) CH676431A5 (enrdf_load_stackoverflow)
WO (1) WO1990005567A1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5236198A (en) * 1990-05-02 1993-08-17 Dunlop Limited Games racket frame
AT395821B (de) * 1990-07-13 1993-03-25 Head Sportgeraete Gmbh Schlaeger fuer ballspiele
US5524884A (en) * 1991-07-18 1996-06-11 Dunlop Limited Striking implements
FR2762220B1 (fr) * 1997-04-22 1999-07-09 Decathlon Sa Raquette de tennis equipee d'elements oscillants pour l'amortissement des vibrations
DE10304797B4 (de) * 2003-02-05 2007-02-01 Völkl Tennis GmbH Ballspielschläger, insbesondere Tennisschläger
WO2014071895A1 (en) * 2012-11-06 2014-05-15 Pavel KUCIREK Twist-dampening handle of a tennis racket and the method for its production
US9580133B2 (en) * 2014-10-08 2017-02-28 Brandon P. Aymar Shock absorbing grip assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190930153A (en) * 1909-12-24 1910-06-23 Charles Henry Wratten Improvements in Handles for Cricket Bats, Hockey Sticks, and the like.
CH262936A (de) * 1947-11-26 1949-07-31 Schreiber Erwin Torsionsfederung an Fahrzeugen.
IT527760A (enrdf_load_stackoverflow) * 1953-11-17
DE3139006A1 (de) * 1981-10-01 1983-04-21 Wolfgang 5500 Trier Reinisch "handgriff fuer tennisschlaeger od.dgl."
US4609198A (en) * 1983-11-08 1986-09-02 Tarr Robert G Racket handle assembly having vibration dampening characteristics
DE3512555C2 (de) * 1984-04-28 1994-01-20 Wolf Woco & Co Franz J Schallisolierendes Lager

Also Published As

Publication number Publication date
CA2003576C (en) 1996-04-23
CH676431A5 (enrdf_load_stackoverflow) 1991-01-31
EP0397832A1 (de) 1990-11-22
CA2003576A1 (en) 1990-05-22
WO1990005567A1 (de) 1990-05-31

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