Golf club head
First Claim
Patent Images
1. A golf club head comprising:
- a hollow main body provided with an upper opening located in a crown portion of the head, anda crown plate fitted in the upper opening and having a specific gravity less than that of the main body,the main body provided around the upper opening with a crown plate support supporting a peripheral edge part of the inner surface of the crown plate, whereinthe crown plate support has a width of not more than 5 mm, andthe minimum distance between the upper edge of the club face and the crown plate in the back-and-forth direction of the head is not less than 10 mm, whereinthe upper opening is provided within the crown portion so as to form an annular peripheral part of the crown portion,the shapes of the upper opening and crown plate are heart-shaped or V-shaped, andthe width of a front part of said annular peripheral part defined as extending along a front edge of the upper opening is gradually increased towards its center in the heel-and-toe direction of the head from the toe and heel of the head.
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Abstract
A golf club head comprises: a hollow main body provided with an upper opening located in a crown portion of the head; and a crown plate fitted in the upper opening and having a specific gravity less than that of the main body, wherein the main body is provided around the upper opening with a crown plate support supporting a peripheral edge part of the inner surface of the crown plate. The crown plate support has a width of not more than 5 mm. The minimum distance between the upper edge of the club face and the crown plate in the back-and-forth direction of the head is not less than 10 mm. The thickness of the crown plate is not more than 0.7 mm.
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Citations
21 Claims
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1. A golf club head comprising:
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a hollow main body provided with an upper opening located in a crown portion of the head, and a crown plate fitted in the upper opening and having a specific gravity less than that of the main body, the main body provided around the upper opening with a crown plate support supporting a peripheral edge part of the inner surface of the crown plate, wherein the crown plate support has a width of not more than 5 mm, and the minimum distance between the upper edge of the club face and the crown plate in the back-and-forth direction of the head is not less than 10 mm, wherein the upper opening is provided within the crown portion so as to form an annular peripheral part of the crown portion, the shapes of the upper opening and crown plate are heart-shaped or V-shaped, and the width of a front part of said annular peripheral part defined as extending along a front edge of the upper opening is gradually increased towards its center in the heel-and-toe direction of the head from the toe and heel of the head. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A golf club head which comprises:
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a hollow main body provided with an upper opening located in a crown portion of the head, and a crown plate fitted in the upper opening and having a specific gravity less than that of the main body, the main body provided around the upper opening with a crown plate support supporting a peripheral edge part of the inner surface of the crown plate, wherein the crown plate support has a width of not more than 5 mm, and the thickness of the crown plate is not more than 0.7 mm, wherein the upper opening is provided within the crown portion so as to form an annular peripheral part of the crown portion, the shapes of the upper opening and crown plate are heart-shaped or V-shaped, and the width of a front part of said annular peripheral part defined as extending along a front edge of the upper opening is gradually increased towards its center in the heel-and-toe direction of the head from the toe and heel of the head. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A golf club head comprising:
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a hollow main body provided with an upper opening located in a crown portion of the head, and a crown plate fitted in the upper opening and having a specific gravity less than that of the main body, the main body provided around the upper opening with a crown plate support supporting a peripheral edge part of the inner surface of the crown plate, wherein the crown plate support has a width of not more than 5 mm, the minimum distance between the upper edge of the club face and the crown plate in the back-and-forth direction of the head is not less than 10 mm, and the thickness of the crown plate is not more than 0.7 mm, wherein the upper opening is provided within the crown portion so as to form an annular peripheral part of the crown portion, the shapes of the upper opening and crown plate are heart-shaped or V-shaped, and the width of a front part of said annular peripheral part defined as extending along a front edge of the upper opening is gradually increased towards its center in the heel-and-toe direction of the head from the toe and heel of the head. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A golf club head comprising:
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a hollow main body provided with an upper opening located in a crown portion of the head, and a crown plate fitted in the upper opening and having a specific gravity less than that of the main body, the main body provided around the upper opening with a crown plate support supporting a peripheral edge part of the inner surface of the crown plate, wherein the crown plate support has a width of not more than 5 mm, and the minimum distance between the upper edge of the club face and the crown plate in the back-and-forth direction of the head is not less than 10 mm, wherein the upper opening is provided within the crown portion so as to form an annular peripheral part of the crown portion, the shapes of the upper opening and crown plate are arrow-shaped, pointing backward of the head, and the width of a front part of said annular peripheral part defined as extending along a front edge of the upper opening is increased as a step from its center in the heel-and-toe direction of the head towards the toe and heel of the head so that the front part has a substantially constant smaller width in said center and a substantially constant larger width on the toe side and heel side of said center.
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Specification