Golf club head
First Claim
1. A hollow golf club head comprising a face member, a crown member, a sole member and a recessed part, whereinthe recessed part is provided around the sole member at a back side of the club head opposite from the face member such that the periphery of the sole member bordering the recessed part extends in a convex shape away from the face member,the recessed part has a maximum height Hm of equal to or greater than 10 mm,a projected area S1 of the sole member projected on a reference plane accounts for 40% or more and 65% or less of a projected area S2 of the crown member projected on the reference plane;
- the head volume is 400 cc or more and 500 cc or less; and
wherein a maximum angle θ
m formed between a margin of the recessed part and an edge of the sole in proximity thereto is equal to or greater than 45 degrees and equal to or less than 120 degrees.
3 Assignments
0 Petitions
Accused Products
Abstract
Golf club head 2 is provided including face member 4, crown member 6, sole member 8 and recessed part 10. The recessed part 10 is provided around the sole member 8. The recessed part 10 has a maximum height Hm of equal to or greater than 10 mm. The projected area S1 of the sole member 8 projected on the reference plane accounts for 40% or more and 65% or less of the projected area S2 of the crown member 6 projected on the reference plane. The head 2 is hollow. Preferably, the maximum angle θm formed between the margin F1 of the recessed part 10 and the sole edge E1 in proximity thereto is equal to or greater than 45 degrees. Preferably, the curvature radius of the sole face in a toe-heel direction is 9.0 cm or greater and 11.5 cm or less. Preferably, the head 2 has a volume of 400 cc or more and 500 cc or less.
131 Citations
17 Claims
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1. A hollow golf club head comprising a face member, a crown member, a sole member and a recessed part, wherein
the recessed part is provided around the sole member at a back side of the club head opposite from the face member such that the periphery of the sole member bordering the recessed part extends in a convex shape away from the face member, the recessed part has a maximum height Hm of equal to or greater than 10 mm, a projected area S1 of the sole member projected on a reference plane accounts for 40% or more and 65% or less of a projected area S2 of the crown member projected on the reference plane; -
the head volume is 400 cc or more and 500 cc or less; and wherein a maximum angle θ
m formed between a margin of the recessed part and an edge of the sole in proximity thereto is equal to or greater than 45 degrees and equal to or less than 120 degrees. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A hollow golf club head comprising a face member, a crown member, a sole member and a single recessed part, wherein
the head has a front side, a back side, a toe side and a heel side, the recessed part is provided around the sole member at a back side of the club head opposite from the face member such that the periphery of the sole member bordering the recessed part extends in a convex shape away from the face member, the recessed part has a maximum height Hm of equal to or greater than 10 mm, a projected area S1 of the sole member projected on a reference plane accounts for 40% or more and 65% or less of a projected area S2 of the crown member projected on the reference plane.
Specification
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- Resources
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Current AssigneeSumitomo Rubber Industries Limited
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Original AssigneeSRI Sports Limited (Sumitomo Rubber Industries Limited)
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InventorsYokota, Masatoshi
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Primary Examiner(s)Hunter; Alvin A
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Application NumberUS11/984,949Publication NumberTime in Patent Office1,254 DaysField of Search473324-350US Class Current473/227CPC Class CodesA63B 53/0408 characterised by specific d...A63B 53/0412 VolumeA63B 53/0433 with special sole configura...A63B 53/0466 wood-typeA63B 53/047 iron-typeA63B 53/0475 with one or more enclosed c...
