Golf club
US-9220952-B2 · Dec 29, 2015 · US
Golf club
US9079083B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9079083-B2 |
| Application number | US-201213474242-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 17, 2012 |
| Priority date | May 18, 2011 |
| Publication date | Jul 14, 2015 |
| Grant date | Jul 14, 2015 |
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Abstract
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A golf club 2 includes a shaft 6 and a head 4 . When a shaft full length is defined as Ls, and a distance between a tip end Tp of the shaft and a center of gravity G of the shaft is defined as Lg, a ratio (Lg/Ls) is 0.52 or greater and 0.65 or less. When a club length is defined as X inch and a club weight is defined as Y gram, the golf club 2 satisfies the following relational expression (1). Y ≦−7.62 X +635 (1) Preferably, the distance Lg is 615 mm or greater and 660 mm or less. Preferably, a shaft weight Ws is equal to or less than 52 g. Preferably, the club length X is equal to or less than 46 inch.
First claim
Opening claim text (preview).
What is claimed is: 1. A golf club comprising: a shaft having a tip end, a butt end and a butt partial layer; and a head, wherein if the shaft full length is defined as Ls, and a distance between the tip end of the shaft and a center of gravity G of the shaft is defined as Lg, then Lg/Ls is 0.52 or greater and 0.65 or less; and wherein if a point separated by 250 mm from the butt end is defined as P 2 ; a range from the point P 2 to the butt end is defined as a specific butt ra…
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Frequently asked questions
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- What does patent US9079083B2 cover?
- A golf club 2 includes a shaft 6 and a head 4 . When a shaft full length is defined as Ls, and a distance between a tip end Tp of the shaft and a center of gravity G of the shaft is defined as Lg, a ratio (Lg/Ls) is 0.52 or greater and 0.65 or less. When a club length is defined as X inch and a club weight is defined as Y gram, the golf club 2 satisfies the following relational expressio…
- Who is the assignee on this patent?
- Hasegawa Hiroshi, Nakano Takashi, Sugimoto Yasushi, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification A63B53/10. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Jul 14 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).