Golf club head
AssigneeSRI Sports Limited
InventorMasanori Yabu
Life of this patent
Estimating the term…
Abstract
A golf club head comprises a face plate having a back face and a front face forming a club face for hitting a ball; a clubhead main body to which the face plate is attached, the clubhead main body comprising a sole portion and a backside wall portion, the backside wall portion extending upward from the sole portion, leaving a space from said back face; and an insert made of an elastic material and interposed between the back face of the face plate and the backside wall portion.
Claims11
A golf club head comprising
- a face plate having a back face and a front face forming a club face for hitting a ball,
- a clubhead main body to which the face plate is attached, the clubhead main body comprising a sole portion and a backside wall portion, the backside wall portion extending upward from the sole portion, leaving a space from said back face, and
- an insert made of an elastic material and interposed between the back face of the face plate and the backside wall portion.
A golf club head comprising
- a face plate having a back face and a front face forming a club face for hitting a ball, and
- a clubhead main body to which the face plate is attached,
- said clubhead main body comprising a sole portion and a backside wall portion,
- said backside wall portion extending upward from the sole portion, leaving a space from said back face, so as to have a free edge facing the back face,
- said free edge provided with a groove extending along the length thereof to secure an elastic insert interposed between the back face and the backside wall portion.
A set of a golf club head and elastic inserts,
- the golf club head comprising
- a face plate having a back face and a front face forming a club face for hitting a ball, and
- a clubhead main body to which the face plate is attached,
- said clubhead main body comprising a sole portion and a backside wall portion,
- said backside wall portion extending upward from the sole portion, leaving a space from said back face, so as to have a free edge facing the back face,
- said free edge provided with a groove extending along the length thereof to secure an elastic insert interposed between the back face and the backside wall portion, and
- the elastic inserts having different Young's moduli in a range of not more than 2500 MPa.
A method of adjusting the natural frequency of a face portion of a golf club head, the golf club head comprising a main body and a face plate attached thereto to form said face portion, said method comprising
- providing the main body with a face plate mount to support the face plate while keeping a back face of the face plate free,
- providing a backside wall portion extending upward from a sole portion of the main body, leaving a space from the back face of the face plate,
- making an insert out of an elastic material having a Young's modulus of not more than 2500 MPa,
- putting the insert between the back face of the face plate and the backside wall portion so that a distance between the insert and a sweet spot of the club head is not more than 10 mm.
Dependencies are inferred from the claim text.