Iron golf club head with dual intersecting recesses
First Claim
1. A golf club head having a body defining a heel, toe, top wall, bottom wall, and a front wall defining an upwardly and rearwardly inclined front face and rear face, and also defining corner walls between said top wall and said heel and toe, and between said bottom wall and said heel and toe, and comprisinga) said body defining a forwardly extending main recess located rearwardly of said front wall,b) said body also defining an undercut recess located directly rearwardly of said front wall to intersect said main recess and extending outwardly from said main recess toward at least one of said top wall and bottom walls, and also toward at least one of said corner walls, proximate said rear face,c) the thickness of said one wall measured in a plane generally parallel to said front wall front face and proximate said rear face being less than the thickness of said one wall measured in a plane generally parallel to said front face and distal said rear face.
4 Assignments
0 Petitions
Accused Products
Abstract
A golf club head having a body defining a heel, toe, top wall, bottom wall, and a front wall defining an upwardly and rearwardly inclined front face and rear face, comprising a body defining a forwardly extending main recess located rearwardly of the front wall; the body also defining an undercut recess located rearwardly of the front wall rear face and extending outwardly from the main recess toward the top wall and toward the bottom wall, proximate the rear face; the head having rearward projection with downward thickening between the top wall and the main recess, and rearwardly of the undercut recess that extends toward the top wall, the undercut recess that extends toward the top wall having forward and rearward sides that extend generally parallel to one another; the rearward projection having a lower surface facing the main recess, the lower surface intersecting the rearward side of the undercut recess at an acute angle.
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Citations
85 Claims
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1. A golf club head having a body defining a heel, toe, top wall, bottom wall, and a front wall defining an upwardly and rearwardly inclined front face and rear face, and also defining corner walls between said top wall and said heel and toe, and between said bottom wall and said heel and toe, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said front wall, b) said body also defining an undercut recess located directly rearwardly of said front wall to intersect said main recess and extending outwardly from said main recess toward at least one of said top wall and bottom walls, and also toward at least one of said corner walls, proximate said rear face, c) the thickness of said one wall measured in a plane generally parallel to said front wall front face and proximate said rear face being less than the thickness of said one wall measured in a plane generally parallel to said front face and distal said rear face.
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4. A golf club head having a body defining a heel, toe, top wall, bottom wall, and a front wall defining an upwardly and rearwardly inclined front face and rear face, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said front wall, b) said body also defining an undercut recess located rearwardly of said front wall rear face and extending outwardly from said main recess and toward said top wall, proximate said rear face, c) the thickness of said top wall measured in a plane generally parallel to said front wall front face and proximate said rear face being less than the thickness of said top wall measured in a plane generally parallel to said front face and distal said rear face.
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5. A golf club head having a body defining a heel, toe, top wall, bottom wall, and a front wall defining an upwardly and rearwardly inclined front face and rear face, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said front wall, b) said body also defining an undercut recess located rearwardly of said front wall rear face and extending outwardly from said main recess toward said top wall and toward said bottom wall, proximate said rear face, c) said head having rearward projection with upward thickening between said bottom wall and said main recess, and rearwardly of said undercut recess that extends toward said bottom wall, d) said head also having rearward projection with downward thickening between said top wall and said main recess, and rearwardly of said undercut recess that extends toward said top wall, e) each of said rearward projections tapering rearwardly, f) the thickness of said top wall measured in a plane generally parallel to said front wall front face and proximate said rear face being less than the thickness of said top wall measured in a plane generally parallel to said front face and distal said rear face.
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7. A golf club head having a body defining a heel, toe, top wall, bottom wall, and a front wall defining an upwardly and rearwardly inclined front face and rear face, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said front wall, b) said body also defining an undercut recess located rearwardly of said front wall rear face and extending outwardly from said main recess toward said top wall and toward said bottom wall, proximate said rear face, c) said head having first rearward projection with upward thickening between said bottom wall and said main recess, said rearward projection tapering rearwardly of said undercut recess that extends toward said bottom wall, d) said head also having second rearward projection with downward thickening between said top wall and said main recess, said second rearward projection tapering rearwardly of said undercut recess that extends toward said top wall, e) said undercut recess extending toward said top wall having slant height S1 above said main recess, said undercut recess extending toward said bottom wall having slant height S2 below said main recess, and wherein S2 substantially exceeds S1.
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19. A golf club head having a body defining a heel, toe, top wall, sole, and a front wall defining an upwardly and rearwardly inclined front face in ball-addressing position of the head, and a rear face, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said front wall, b) and said body having at least one projection extending rearwardly from said front wall and outwardly of said main recess, said projection being rearwardly elongated, c) said body defining a first auxiliary recess located rearwardly of said front face and forwardly of the main extent of said projection, said auxiliary recess extending into proximity with outer surface extent of the head, d) the thickness of said projection measured in a plane generally parallel to said front wall front face and proximate said rear face being less than the thickness of said projection measured in a plane generally parallel to said front face and distal said rear face.
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41. The golf club head having a body defining a heel, toe, top wall, sole, and a front wall defining an upwardly and rearwardly inclined front face and rear face, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said front wall, b) and said body also defining an undercut recess located directly rearwardly of said front wall rear face and extending outwardly from said main recess toward at least one of said top wall and said bottom wall, adjacent said rear face, said rear face having a slant height dimension D1 between uppermost and lowermost extents of said rear face in a vertical plane normal to said front wall, and said front wall having a slant height dimension D2 between uppermost and lowermost extents thereof in said plane, where: - D1 is between about 0.90 and 0.95 D2.
- View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 68)
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44. The golf club head of claim 41 wherein said at least one of said top wall and bottom wall has substantially reduced thickness outwardly of said undercut recess.
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45. The golf club head of claim 44 wherein said undercut recess extends generally parallel to the inclined front face.
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46. The golf club head of claim 41 wherein said head has rearward projection with upward thickening between said bottom wall and said main recess, and rearwardly of said undercut recess that extends toward said bottom wall, said undercut recess that extends toward said bottom wall having forward and rearward sides that extend parallel to one another.
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47. The golf club head of claim 41 wherein said head has rearward projection with downward thickening between said top wall and said main recess, and rearwardly of said undercut recess that extends toward said top wall, said undercut recess that extends toward said top wall having forward and rearward sides that extend parallel to one another.
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48. The golf club head of claim 46 wherein said head has rearward projection with downward thickening between said top wall and said main recess, and rearwardly of said undercut recess that extends toward said top wall, said undercut recess that extends toward said top wall having forward and rearward sides that extend parallel to one another.
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49. The golf club head of claim 41 wherein said body is metallic.
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50. The golf club of claim 41 wherein said body consists of a metallic casting.
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51. The golf club head of claim 49 wherein said body is a one-piece casting, and defines an iron golf club head.
- 52. The golf club head of claim 41 wherein said undercut recess projects outwardly to an extent w1, and has front to rear thickness t1, where
- space="preserve" listing-type="equation">0.5t.sub.1 <
w.sub.1 <
1.5t.sub.1.
- space="preserve" listing-type="equation">0.5t.sub.1 <
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53. The golf club head of claim 46 wherein said rearward projection from the undercut recess has substantially greater overall rearward dimension than vertical thickness dimension.
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54. The golf club head of claim 47 wherein said rearward projection from the undercut recess has substantially greater overall rearward dimension than vertical thickness dimension.
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55. The golf club head of claim 41 wherein said body has at least one slit extending rearwardly from said undercut recess and extending outwardly from said main recess.
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56. The golf club head of claim 41 wherein said body has four slits extending rearwardly from said undercut recess and extending outwardly from said main recess at the following locations:
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proximate the junction of the heel and top wall proximate the junction of the heel and bottom wall proximate the junction of the toe and top wall proximate the junction of the toe and bottom wall.
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57. The golf club head of claim 44 wherein said undercut recess extends upwardly toward said top wall and downwardly toward said bottom wall.
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58. The golf club head of claim 57 wherein said undercut recess has a substantially semi-circular cross section adjacent said one of said top and said bottom walls.
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59. The golf club head of claim 41 wherein said undercut recess proximate said heel and proximate the toe decreases gradually in depth toward said heel and toward said toe.
- 68. The head of claim 41 wherein said main recess, proximate said undercut recess, has a slant height dimension D3 in said vertical plane, where
- space="preserve" listing-type="equation">D.sub.3 <
D.sub.1 <
D.sub.2.
- space="preserve" listing-type="equation">D.sub.3 <
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60. A golf club head having a body defining a heel, toe, top wall, sole and a front wall defining an upwardly and rearwardly inclined front face and rear face, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said rear face, b) and said body also defining an undercut recess located directly rearwardly of said rear face and extending outwardly from said main recess toward at least one of the following: -
i) said top wall ii) said bottom wall, c) said rear face having uppermost and lowermost extents defining a separation distance D1, the front face having uppermost and lowermost extents defining a separation distance D2, where
space="preserve" listing-type="equation">0.90<
D.sub.1 /D.sub.2 <
0.95d) said undercut recess openly exposed to said main recess, and said rear face outwardly of said main recess. - View Dependent Claims (61, 62)
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63. Multiple golf club heads in a set, each head having a body defining a heel, toe, top wall, sole and a front wall defining an upwardly and rearwardly inclined front face, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said front wall, b) and said body also defining an undercut recess located directly rearwardly of said front wall and extending outwardly from said main recess toward at least three of the following: -
i) said top wall ii) said bottom wall iii) said toe iv) said heel v) a corner between said top wall and toe vi) a corner between said top wall and heel vii) a corner between said bottom wall and toe viii) a corner between said bottom wall and heel, c) the undercut recesses in said bodies of the set having increasing rearward angularity in correspondence to increasing rearward angularity of the inclined front faces of the bodies of the set, d) the undercut recesses in each body of the set having generally parallel forward and rearward walls, e) said front wall having front and rear faces, said rear face having a slant height dimension D1 between uppermost and lowermost extents thereof, and said front face having a slant height dimension D2 between uppermost and lowermost extents thereof in said plane, where;
D1 /D2 is between about 0.90 and about 0.95,f) said undercut recess openly exposed to said main recess. - View Dependent Claims (64, 65, 66)
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67. A golf club head having a body defining a heel, toe, top wall, bottom wall, a sole, and a front wall defining an upwardly and rearwardly inclined front face, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said front wall, b) and said body also defining an undercut recess located directly rearwardly of said front wall and extending outwardly from said main recess toward at least said top wall and said bottom wall, c) said top wall tapering rearwardly and being rearwardly elongated rearwardly of said undercut recess to overlie said main recess, and said bottom wall tapering rearwardly and being rearwardly elongated rearwardly of said undercut recess to underlie said main recess, said top wall defining a reduced thickness web adjacent to and above said undercut recess, said web located rearwardly of the uppermost level of said front face, and said undercut recess nearest said web extending upwardly to a level proximate said uppermost level of said front face, g) said rear face having a slant height dimension D1 between uppermost and lowermost extents of said undercut recess in a vertical plane, and said front wall having a slant height dimension D2 between uppermost and lowermost extents thereof in said plane, where: -
space="preserve" listing-type="equation">0.90<
D.sub.1 /D.sub.2 <
0.95.h) said undercut recess openly exposed to said main recess. - View Dependent Claims (69)
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70. A golf club head having a body defining a heel, toe, top wall, sole, and a front wall defining an upwardly and rearwardly inclined front face in ball-addressing position of the head, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said front wall, b) and said body having upper and lower projections extending rearwardly from said front wall above and below said main recess, c) said body defining a first auxiliary recess located rearwardly of said front face and forwardly of the main extent of one of said projections, d) said first auxiliary recess extending proximate outermost surface extent of the head along a path extending generally between the heel and toe, e) there being a web extending parallel to said path, and located adjacent said first auxiliary recess and in communication with said main recess.
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71. A golf club head having a body defining a heel, toe, top wall, sole, and a front wall defining an upwardly and rearwardly inclined front face in ball-addressing position of the head, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said front wall, b) and said body having upper and lower portions extending rearwardly from said front wall above and below said main recess, c) said body defining a first auxiliary recess located rearwardly of said front face and forwardly of the main extent of one of said portions, d) said first auxiliary recess extending along a path extending generally between the heel and toe, e) there being a web extending parallel to said path, and located adjacent said first auxiliary recess and in communication with said main recess.
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72. A golf club head having a body defining a heel, toe, top wall, bottom wall, a front wall defining an upwardly and rearwardly inclined front face, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said front wall, b) said body also defining an undercut recess located directly rearwardly of said front wall to intersect said main recess, and extending outwardly from said main recess toward and into one of said top and bottom walls, c) said one wall extending rearwardly of said undercut recess, said one wall having reduced vertical thickness outwardly of said undercut recess, in relation to its thickness rearwardly of said recess, thereby to define a web, d) said web located rearwardly of the nearest peripheral level of said front face, and said undercut recess nearest said web extending to a level proximate the nearest peripheral level of said front face.
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73. A golf club head having a body defining a heel, toe, top wall, a bottom wall, and a front wall defining an upwardly and rearwardly inclined front face, said front wall having a rear side, and comprising
a) said body defining a forwardly extending main recess located rearwardly of said front wall, b) said body also defining upper and lower body portions respectively located above and below said main recess and respectively associated with said top and bottom walls, c) there being an undercut recess extending in said body proximate said front wall rear side and to an outermost level proximate the nearest outermost level of said front face, said undercut recess intersecting said main recess.
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75. A golf club head comprising:
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a) a unitary metallic body, including a top body portion, a bottom body portion, and a front wall interposed between said top body portion and said bottom body portion, b) said front wall having a front surface and a rear surface, c) said top body portion having an upper surface and a lower surface, d) said bottom body portion having an upper surface and a lower surface, e) said top body portion lower surface, said front wall rear surface, and said bottom body portion upper surface defining a recess, f) said top body portion extending rearward from said front wall over said recess, g) said top body portion lower surface having a lowermost extent spaced from said front wall rear surface, h) said top body portion lower surface having an uppermost extent intermediate said lowermost extent and said front wall rear surface, and i) said top body portion lower surface uppermost extent being proximate said top body portion upper surface, the thickness of said top body portion measured in a plane generally parallel to said front wall front surface and proximate said rear surface being less than the thickness of said top body portion measured in a plane generally parallel to said front surface and distal said rear surface. - View Dependent Claims (76, 77, 78)
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79. A golf club head comprising:
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a) a unitary metallic body, including a top body portion, a bottom body portion, and a front wall interposed between said top body portion and said bottom body portion, b) said front wall having a front surface and a rear surface, c) said top body portion having an upper surface and a lower surface, d) said bottom body portion having an upper surface and a lower surface, e) said top body portion extending rearward from said front wall, f) said top body portion lower surface having a lowermost extent, said top body portion lower surface inclining upwardly to reach an uppermost extent of said top body portion lower surface, the thickness of said top body portion measured in a plane generally parallel to said front wall front surface and proximate said rear surface being less than the thickness of said t op body portion measured in a plane generally parallel to said front surface and distal said rear surface. - View Dependent Claims (80, 81, 82)
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83. A golf club head comprising:
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a) a unitary metallic body including a top body portion, a bottom body portion, and a front wall interposed between said top body portion and said bottom body portion, b) said front wall having a front surface and a rear surface, c) said top body portion having an upper surface and a lower surface, d) said bottom body portion having an upper surface and a lower surface, e) there being recess structure below said top body portion lower surface, rearward of said front wall rear surface, and above said bottom body portion upper surface, f) said top body portion lower surface including a forward extent, and a rearward extent, said rearward extent spaced rearwardly from said front wall rear surface, said forward extent extending proximate said top body portion upper surface, g) said body defining an integral rib above said top body portion lower surface extent and below said top body portion upper surface, said rib extending rearwardly from and relative to uppermost extent of said front wall, and said rib extending generally in a heel-to-toe direction, wherein said integral rib of said top body portion forward extent is thinner than the thickness of said top body portion rearward extent as measured in a plane substantially parallel to said front wall front surface. - View Dependent Claims (84, 85)
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Specification