US2020338403A1PendingUtilityA1

Golf club head

46
Assignee: SUMITOMO RUBBER INDPriority: Apr 26, 2019Filed: Apr 13, 2020Published: Oct 29, 2020
Est. expiryApr 26, 2039(~12.8 yrs left)· nominal 20-yr term from priority
Inventors:Naruhiro Mizutani
A63B 53/0433A63B 53/04A63B 2209/02A63B 60/54A63B 53/0466A63B 53/045A63B 53/0408A63B 60/002A63B 60/02A63B 2053/0491A63B 53/0412A63B 53/0437A63B 2053/045A63B 2053/0437A63B 2053/0412
46
PatentIndex Score
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Cited by
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References
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Claims

Abstract

A golf club head according to the present invention is provided with a face portion, a crown portion, a sole portion, at least one first rib provided in the sole portion, and at least one second rib provided in the sole portion, and has an internal space surrounded by the face portion, the crown portion and the sole portion, the first rib extending in a toe-heel direction on an inner wall surface of the sole portion, the second rib extending in a face-back direction on the inner wall surface of the sole portion, and a height of the second rib from the inner wall surface of the sole portion being lower than a height of the first rib from the inner wall surface of the sole portion.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A golf club head comprising:
 a face portion;   a crown portion;   a sole portion;   at least one first rib provided in the sole portion; and   at least one second rib provided in the sole portion,   wherein the golf club head has an internal space surrounded by the face portion, the crown portion and the sole portion,   the first rib extends in a toe-heel direction on an inner wall surface of the sole portion,   the second rib extends in a face-back direction on the inner wall surface of the sole portion, and   a height of the second rib from the inner wall surface of the sole portion is lower than a height of the first rib from the inner wall surface of the sole portion.   
     
     
         2 . The golf club head according to  claim 1 , wherein the second rib intersects the first rib. 
     
     
         3 . The golf club head according to  claim 1 , wherein the first rib and the second rib each extend continuously. 
     
     
         4 . The golf club head according to  claim 1 ,
 wherein a thin portion having a thinnest thickness is provided in the sole portion, and   the first rib and the second rib are constituted to at least partially pass through the thin portion.   
     
     
         5 . The golf club head according to  claim 4 , wherein the thin portion is arranged on a toe side in the toe-heel direction. 
     
     
         6 . The golf club head according to  claim 4 ,
 wherein a thick portion having a larger thickness than the thin portion is provided in the sole portion at least partially around the thin portion, and   at least one of the first rib and the second rib extends to the thick portion.   
     
     
         7 . The golf club head according to  claim 1 , comprising:
 at least two of the second rib,   wherein the two second ribs are formed so as to intersect in the sole portion.   
     
     
         8 . The golf club head according to  claim 7 , comprising:
 one of the first rib,   wherein an area surrounded by the one first rib and the two second ribs is arranged in the thin portion.   
     
     
         9 . The golf club head according to  claim 1 , wherein the second rib extends on a back side from a vicinity of a boundary between the face portion and the sole portion.

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