Golf club head with three-dimensional alignment aid and method of manufacture
First Claim
Patent Images
1. A golf club head comprising:
- a front wall member having a heel end and a toe end defining a horizontal width dimension, a sole and a top rail defining a vertical height dimension, a rear surface and a substantially planar front surface arranged for impacting a golf ball;
a first arm extending generally rearward from the toe end of said front wall member, said first arm having a forward portion and a rear portion;
a second arm extending generally rearward from the heel end of said front wall member, said second arm having a forward portion and a rear portion, said first arm being longer than said second arm such that a line drawn tangent to the rear portions of said first and second arms intersects a line drawn tangent to the front wall member at an angle of less than 10 degrees; and
a rear wall member joining the rear portions of the first and second arms, said rear wall member comprising an upright flange having forward and a rear surface and a vertical height greater than its thickness, the rear surface of said rear wall member comprising a central rearwardly concave rear portion and the forward surface of said rear wall member comprising a central forwardly convex forward portion.
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Accused Products
Abstract
A golf club head has a front wall member and a rear wall member joined by a pair of arms that extend rearward from the from the heel and toe ends of the front wall member. An arcuate wall formed in the rear wall member provides an alignment aid. The club may have a protrusion extending above the top rail. The protrusion may have an arcuate surface that corresponds to the arcuate wall formed in the rear member to enhance alignment of the golf club head. The club head may include a transverse alignment aid to assist the user with proper eye position and lie of the club head when addressing the golf ball.
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Citations
25 Claims
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1. A golf club head comprising:
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a front wall member having a heel end and a toe end defining a horizontal width dimension, a sole and a top rail defining a vertical height dimension, a rear surface and a substantially planar front surface arranged for impacting a golf ball; a first arm extending generally rearward from the toe end of said front wall member, said first arm having a forward portion and a rear portion; a second arm extending generally rearward from the heel end of said front wall member, said second arm having a forward portion and a rear portion, said first arm being longer than said second arm such that a line drawn tangent to the rear portions of said first and second arms intersects a line drawn tangent to the front wall member at an angle of less than 10 degrees; and a rear wall member joining the rear portions of the first and second arms, said rear wall member comprising an upright flange having forward and a rear surface and a vertical height greater than its thickness, the rear surface of said rear wall member comprising a central rearwardly concave rear portion and the forward surface of said rear wall member comprising a central forwardly convex forward portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A golf club head comprising:
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a front wall member having a heel end and a toe end defining a horizontal width dimension, a sole and a top rail defining a vertical height dimension, a rear surface and a substantially planar front surface arranged for impacting a golf ball, the front wall member including a centrally located protrusion having an upwardly convex upper surface that extends above the top rail of the front wall member; a first arm extending generally rearward from the toe end of the front wall member, the first arm having a forward portion and a rear portion; a second arm extending generally rearward from the heel end of the front wall member, the second arm having a forward portion and a rear portion; and a rear wall member joining the rear portions of the first and second arms, the rear wall member comprising an upright flange having forward and a rear surface and a vertical height greater than its thickness, the rear surface of the rear wall member comprising a central rearwardly concave rear portion and the forward surface of said rear wall member comprising a central forwardly convex forward portion, the upright flange also having an upwardly convex upper surface. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A method of forming a golf club head comprising:
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forming a front wall member having a heel end and a toe end defining a horizontal width dimension, a sole and a top rail defining a vertical height dimension, a rear surface and a substantially planar front surface arranged for impacting a golf ball; forming a first arm extending generally rearward from the toe end of said front wall member, said first arm having a forward portion and a rear portion; forming a second arm extending generally rearward from the heel end of said front wall member, said second arm having a forward portion and a rear portion, said first arm being longer than said second arm such that a line drawn tangent to the rear portions of said first and second arms intersects a line drawn tangent to the front wall member at an angle of less than 10 degrees; and forming a rear wall member joining the rear portions of the first and second arms, said rear wall member comprising an upright flange having forward and a rear surface and a vertical height greater than its thickness, the rear surface of said rear wall member comprising a central rearwardly concave rear portion and the forward surface of said rear wall member comprising a central forwardly convex forward portion. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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Specification