Golf club head having protecting insert

Details Golf club head having protecting insert Golf club head having protecting insert

1994-03-07

1995-09-26

Passaniti, Sebastiano

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273 804, 273167H, A63B 5302

Patent

active

054528909

ABSTRACT:
Golf club of the metal wood type and club head therefor. The golf club comprises a metallic club head having a shaft-receiving bore, and a metallic shaft which is inserted into the bore. An insert, which is less hard than the shaft, is inserted into the upper end of the bore for cushioning the shaft from fracture. A shoulder is formed in the bore for positioning this insert. The shoulder may be formed by a counterbore or by a tubular sleeve which is inserted into the bore. The shaft extends through the insert and into the bore of the club head. The insert, which is positioned between the shaft and the wall of the bore or counterbore, cushions the shaft from stresses which tend to cause fracture of the shaft at the point at which it enters the club head.

REFERENCES:
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patent: 4948132 (1990-08-01), Wharton
patent: 5042806 (1991-08-01), Helmstetter
patent: 5280923 (1994-01-01), Lu
patent: 5335909 (1994-08-01), Green
Samples of Calloway-Brand O-Ring.

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