Iron-type golf club head
First Claim
1. An iron-type golf club head, comprising:
- a body comprising a heel portion, a sole portion, a toe portion, and a topline portion, wherein the topline portion has a mass per unit length of between 0.09 g/mm and 0.40 g/mm;
a strike plate coupled to the body at a front portion of the golf club head;
a cavity defined between the topline portion, the sole portion, and the strike plate; and
a bridge bar at a rear portion of the golf club head, the bridge bar spanning the cavity, spaced apart from the strike plate, and rigidly fixed to and extending uprightly between the sole portion and the topline portion, wherein the bridge bar has a mass per unit length of between 0.09 g/mm and 0.40 g/mm;
wherein a Z-up of the golf club head is below about 20 mm;
wherein the topline portion comprises weight reducing features that shift a Z-up of the golf club head downward by at least 0.4 mm; and
wherein the bridge bar shifts the Z-up of the golf club head upward by less than 2.0 mm.
7 Assignments
0 Petitions
Accused Products
Abstract
Disclosed herein is an iron-type golf club head comprising a body comprising a heel portion, a sole portion, a toe portion, and a topline portion. The topline portion has a mass per unit length of between 0.09 g/mm and 0.40 g/mm. The golf club head also comprises a strike plate coupled to the body at a front portion of the golf club head and a cavity defined between the topline portion, the sole portion, and the strike plate. The golf club head further comprises a bridge bar at a rear portion of the golf club head. The bridge bar spans the cavity, is spaced apart from the strike plate, and is rigidly fixed to and extends uprightly between the sole portion and the topline portion. The bridge bar has a mass per unit length of between 0.09 g/mm and 0.40 g/mm.
41 Citations
22 Claims
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1. An iron-type golf club head, comprising:
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a body comprising a heel portion, a sole portion, a toe portion, and a topline portion, wherein the topline portion has a mass per unit length of between 0.09 g/mm and 0.40 g/mm; a strike plate coupled to the body at a front portion of the golf club head; a cavity defined between the topline portion, the sole portion, and the strike plate; and a bridge bar at a rear portion of the golf club head, the bridge bar spanning the cavity, spaced apart from the strike plate, and rigidly fixed to and extending uprightly between the sole portion and the topline portion, wherein the bridge bar has a mass per unit length of between 0.09 g/mm and 0.40 g/mm; wherein a Z-up of the golf club head is below about 20 mm; wherein the topline portion comprises weight reducing features that shift a Z-up of the golf club head downward by at least 0.4 mm; and wherein the bridge bar shifts the Z-up of the golf club head upward by less than 2.0 mm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An iron-type golf club head, comprising:
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a body comprising a heel portion, a sole portion, a toe portion, and a topline portion, wherein the topline portion has a mass per unit length of between 0.09 g/mm and 0.40 g/mm; a strike plate coupled to the body at a front portion of the golf club head; a cavity defined between the topline portion, the sole portion, and the strike plate; and a bridge bar at a rear portion of the golf club head, the bridge bar spanning the cavity, spaced apart from the strike plate, and rigidly fixed to and extending uprightly between the sole portion and the topline portion, wherein the bridge bar has a mass per unit length of between 0.09 g/mm and 0.40 g/mm; wherein an areal mass of the rear portion of the golf club head between the topline portion, the sole portion, the toe portion, and the heel portion is between 0.0005 g/mm2 and 0.00925 g/mm2. - View Dependent Claims (18, 19, 20)
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21. An iron-type golf club head, comprising:
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a body comprising a heel portion, a sole portion, a toe portion, and a topline portion, wherein the topline portion has a mass per unit length of between 0.09 g/mm and 0.40 g/mm; a strike plate coupled to the body at a front portion of the golf club head; a cavity defined between the topline portion, the sole portion, and the strike plate; and a bridge bar at a rear portion of the golf club head, the bridge bar spanning the cavity, spaced apart from the strike plate, and rigidly fixed to and extending uprightly between the sole portion and the topline portion, wherein the bridge bar has a mass per unit length of between 0.09 g/mm and 0.40 g/mm; wherein the topline portion comprises weight reducing and stiffening features comprising; a rearwardly and downwardly directed overhang; and a plurality of ribs coupled to an underside of the overhang. - View Dependent Claims (22)
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Specification