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United States of America Patent

APP PUB NO 20170072273A1
SERIAL NO

15309053

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A golf club set having a stable swing feel for the player is obtained regardless of the club number. Moments of inertia of the grips of respective the golf clubs are substantially uniform regardless of the respective golf club numbers. Moments of inertia of the heads of respective the golf clubs decrease as the respective golf club numbers increase. Moments of inertia of the shafts of respective golf clubs increase as the numbers of respective golf clubs increase. Moments of inertia of the golf clubs are made substantially the same by cancelling out the decrease in moments of inertia of the heads and the increase in moments of inertia of the shafts. The shafts of the golf clubs increase in weight, and respective gravity center locations of the shafts are located closer to the tip ends of the shafts, as the numbers of the golf clubs increase.

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Patent Owner(s)

Patent OwnerAddress
FUJIKURA RUBBER LTDTOKYO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kogawa, Yoshihito Saitama-shi, Saitama, JP 11 22
Wakabayashi, Masaki Saitama-shi, Saitama, JP 32 267

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