Golf club having vibration damping device and method for making same

A golf club having a vibration damping device including a club head, a shaft connected to the club head having resonant frequencies over a predetermined range and a rod disposed within the shaft with a viscoelastic material interposed between the shaft and the rod. The rod is flexible and has resona...

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Bibliographische Detailangaben
Hauptverfasser:	NASHIF, AHID D
Format:	Patent
Sprache:	eng
Schlagworte:	AMUSEMENTS APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING BALL GAMES GAMES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HUMAN NECESSITIES SPORTS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRAINING EQUIPMENT
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Beschreibung
Zusammenfassung:	A golf club having a vibration damping device including a club head, a shaft connected to the club head having resonant frequencies over a predetermined range and a rod disposed within the shaft with a viscoelastic material interposed between the shaft and the rod. The rod is flexible and has resonant frequencies over the same frequency range as the shaft such that the shaft and rod vibrate out of phase with respect to each other and thereby deform the viscoelastic material to damp vibrations in the shaft.