Golf club
First Claim
1. A golf club comprising a shaft, a head mounted by said shaft and formed with an air flow hole having inlet and outlet ends, a whistle in said hole and actuated by air flow through the hole, means actuated by swinging of said club for forcing air into said inlet end, said outlet end being open to the ambient air and said swinging forming localized air turbulence in the ambient air at said outlet end, and a tailpipe extending from said outlet end to a position where the ambient air is relatively free from said turbulence.
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Accused Products
Abstract
A golf club has an air flow hole through its head and the hole contains a whistle so that when the club is swung, the sound of the whistle provides an indication of the smoothness and velocity of the swing. The ambient air becomes locally turbulent at the hole'"'"'s outlet end when the head swings. A tailpipe extends from the hole'"'"'s outlet to a position where the ambient air is relatively free from such turbulence. The club head may include two whistles. The first whistle is actuated by air entering an aperture on the striking face of the club head. The second whistle is actuated by centrifugally driven air moving down the club shaft.
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Citations
7 Claims
- 1. A golf club comprising a shaft, a head mounted by said shaft and formed with an air flow hole having inlet and outlet ends, a whistle in said hole and actuated by air flow through the hole, means actuated by swinging of said club for forcing air into said inlet end, said outlet end being open to the ambient air and said swinging forming localized air turbulence in the ambient air at said outlet end, and a tailpipe extending from said outlet end to a position where the ambient air is relatively free from said turbulence.
Specification