GOLF CLUB HEAD HAVING A COMPOSITE CROWN

摘要

A golf club head having a high COR that is durable and has desirable acoustic qualities. The club head includes a body portion, a striking face and a crown forming a hollow cavity of at least 150 cc in volume. The body portion defines a front opening and an upper opening, and it includes a sole and a side section that extends rearward of the front opening. The striking plate is secured to the body portion, enclosing the front opening. While partially assembled, final weighting and/or other attachment of other members to the inner surface of the club head can be preformed, as desired. The crown is secured to the body portion, enclosing the upper opening. A surface veil may also be provided about a junction of the crown and body. The crown has a maximum thickness no greater than about 2 mm. The density of the crown is less than the density of the body portion. At least one of the striking plate and the crown is attached to the second portion by adhesive bonding, and the golf club head has a maximum coefficient of restitution of at least 0.80.

主权项

1. A golf club head, comprising:
a body portion defining an upper opening and having a front, a sole, and a side section, the side section extending rearward of the front and having toe, rear, and heel regions, the body portion having a density of at least about 4 g/cc, the upper opening being located in a central section of a top portion of the body portion and comprising at least 25% of the total area of the top portion; an supporting surface extending along the periphery of and defining the upper opening; a striking plate connected to the body portion; and a crown supported by and secured to the supporting surface, thereby enclosing the upper opening, a first portion of the crown being sized to sit on the supporting surface such that the first portion overlaps at least a portion of the supporting surface, thereby forming a junction between the first portion of the crown and the body portion, the crown incorporating composite material and having a density between 1 g/cc and 2 g/cc, the crown having a maximum thickness no greater than about 2 mm; wherein the golf club head has a maximum coefficient of restitution of at least 0.80 and a volume of at least 150 cc.