Golf club head having a displaced crown portion
First Claim
1. A golf club head comprising:
- a first portion comprising a striking face portion, the striking face portion comprising;
a front striking surface; and
a return portion extending rearwardly about 1 cm to about 4 cm from the front striking surface, the return portion comprising a step portion including a first lap surface having a width between about 5 mm and about 20 mm, wherein a majority of the first portion is a metallic alloy;
a non-metallic second portion comprising;
a compression-molded carbon-fiber-reinforced plastic;
a wall thickness between about 0.6 mm and about 2 mm;
an abutment surface; and
a second lap surface substantially perpendicular to the abutment surface and having a width between about 5 mm and about 20 mm;
a joint between the first lap surface of the first portion and the second lap surface of the second portion, wherein the first lap surface of the first portion is adhesively bonded to the second lap surface of the second portion; and
a total surface area of the golf club head is between about 258 cm2 and about 355 cm2.
0 Assignments
0 Petitions
Accused Products
Abstract
A hollow wood-type golf club head having an increased weight budget and improved mass characteristics at minimum structural mass is disclosed. The club head has a striking face portion, a sole portion, a skirt portion, and a crown portion having a total surface area. A hosel portion joins the club head for connecting a shaft to the club head. The crown portion has a major crown portion and a minor crown portion, the major portion having greater surface area than the minor portion, and the major portion being displaced vertically lower relative to the minor crown portion. The major crown portion may have a generally concave curvature and the minor crown portion may have a generally convex curvature such that the major crown portion is in effect inverted with respect to the minor crown portion. The major crown portion may be upwardly inclined from the heel to the toe of the head. The head may exhibit a parabolic top view silhouette.
169 Citations
18 Claims
-
1. A golf club head comprising:
-
a first portion comprising a striking face portion, the striking face portion comprising; a front striking surface; and a return portion extending rearwardly about 1 cm to about 4 cm from the front striking surface, the return portion comprising a step portion including a first lap surface having a width between about 5 mm and about 20 mm, wherein a majority of the first portion is a metallic alloy; a non-metallic second portion comprising; a compression-molded carbon-fiber-reinforced plastic; a wall thickness between about 0.6 mm and about 2 mm; an abutment surface; and a second lap surface substantially perpendicular to the abutment surface and having a width between about 5 mm and about 20 mm; a joint between the first lap surface of the first portion and the second lap surface of the second portion, wherein the first lap surface of the first portion is adhesively bonded to the second lap surface of the second portion; and a total surface area of the golf club head is between about 258 cm2 and about 355 cm2. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A golf club head comprising:
-
a first portion comprising a striking face portion, a sole portion, and a crown portion, the striking face portion comprising; a front striking surface; and a return portion extending rearward about 1 cm to about 4 cm, from the front striking surface the return portion comprising a step portion including a first lap surface having a width between about 5 mm and about 20 mm, wherein a majority of the first portion is a metallic alloy; a second portion comprising; a specific strength of at least about 400 MPa/(g/cm3); a wall thickness between about 0.6 mm and about 2 mm; a second lap surface having a width between about 5 mm and about 20 mm; a joint between the first lap surface of the first portion and the second lap surface of the second portion, wherein the first lap surface of the first portion is adhesively bonded to the second lap surface of the second portion, the joint having a bondline thickness between about 0.127 mm and about 0.254 mm; and an internal rib coupled to the crown portion and the sole portion. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
-
Specification