Head assembly of golf club
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embodiment 1
[0051]FIG. 1a shows a head assembly of a golf club according to a first preferred embodiment of the present invention applied to a head H of a driver D1. The head assembly, according to the first preferred embodiment of the present invention, is applied to the driver D1 having a cavity CV formed in the driver D1. The head assembly according to this embodiment includes plural sound pipes 1, 2, and 3, which are extended from the back of a face F of the head H to the cavity CV of a body BD of the driver D1 and are fixed to the body BD.
[0052] Moreover, as shown in FIG. 1b illustrating a first modification of the head assembly of a golf club according to the first preferred embodiment of the present invention, the sound pipes 1, 2, and 3 are integrally fixed to a wall H′ for forming the driver D1. The first modification of the head assembly further includes a partition P installed to the intermediate portion of the cavity CV and to divide the cavity CV into two spaces so as to separate ...
embodiment 2
[0061]FIGS. 2a is a perspective view illustrating a head assembly of a golf club according to a second preferred embodiment of the present invention applied to a driver. The second preferred embodiment is described together with various modifications.
[0062] A head H of a driver D9 includes a cavity CV formed in the head H, and a resonant wall W installed in the cavity CV of a body BD connected to a face F of the head to generate sound. The resonant wall W is a metal wall with a sufficient thin thickness for dividing the cavity CV into two hollow spaces G1 and G2. The resonant wall W is made of the same material as that of the head H of the driver D9 and is integrally formed with the head H or is separately made of a resonant metal plate and fixed in the cavity CV.
[0063] As shown FIG. 2b, a driver D10 of a first modification of the head assembly of a golf club according to the second preferred embodiment of the present invention includes a plurality of resonant walls W1 and W2. As ...
embodiment 3
[0067] Generally, drivers D are manufactured via mechanical processes such as molding, forging, or the like. As shown in FIG. 3s, a head H of a driver D15, employing a head assembly of a golf club according to a third preferred embodiment of the present invention, includes a face F and a body BD connected to the face F to form a cavity CV therein. The body BD is integrally formed with the face F or is fixed to the face F.
[0068] The head assembly of a golf club according to the third preferred embodiment of the present invention further includes a vibration generating device R installed in the cavity CV. The vibration generating device R, as shown in FIG. 3b, includes an elastic connection rod 60 such as a coil spring installed to a center of gravity G of the rear face of the face F in the cavity CV formed in the body BD, and a metal ball, such as a steel ball, fixed to a free end of the elastic connection rod 60.
[0069] The vibration generating device R of a modification of the hea...
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