Putter with bi-material shaft
US-11097166-B1 · Aug 24, 2021 · US
Putter with bi-material shaft
US11517795B1 · US · B1
| Field | Value |
|---|---|
| Publication number | US-11517795-B1 |
| Application number | US-202117407530-A |
| Country | US |
| Kind code | B1 |
| Filing date | Aug 20, 2021 |
| Priority date | Apr 6, 2018 |
| Publication date | Dec 6, 2022 |
| Grant date | Dec 6, 2022 |
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- Title
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Abstract
Official abstract text for this publication.
A process for manufacturing a putter with a bi-material shaft is disclosed herein. The putter comprises a putter head, the bi-material shaft, a mass member and a grip. The bi-material shaft comprises a body with a tip end and a butt end. The body comprises a metal section extending from the tip end to a connection point, and a composite section extending from the butt end to the connection point. The mass member is positioned within an opening at the butt end of the shaft. Mass from the shaft is transferred to the club head and the mass member in the butt end of the shaft.
First claim
Opening claim text (preview).
I claim as my invention the following: 1. A shaft comprising: a body with a tip end and a butt end, the body comprising a metal section extending from the tip end to a connection point, and a composite section extending from the butt end to the connection point, wherein the metal section is composed of a metal selected from the group consisting of steel, titanium, aluminum, titanium alloy, and aluminum alloy; and a mass member positioned within an opening at the butt end of the shaft; wherein the composite section is from 60 to 80 percent of the length of the shaft and the composite section is less than 50 percent of the mass of the shaft. 2. The shaft according to claim 1 wherein the mass member has a mass ranging from 20 grams to 40 grams. 3. The shaft according to claim 1 wherein the mass member has a mass of 30 grams. 4. A golf club comprising: a club head; and a shaft comprising: a body with a tip end and a butt end, the body comprising a metal section extending from the tip end to a connection point, and a composite section extending from the butt end to the connection point, wherein the metal section is composed of a metal selected from the group consisting of steel, titanium, aluminum, titanium alloy, and aluminum alloy, and a mass member positioned within an opening at the butt end of the shaft; wherein mass of the golf club is focused in the club head and the mass member in the butt end of the shaft; wherein the composite section is from 60 to 80 percent of the length of the shaft and the composite section is less than 25 percent of the mass of the shaft. 5. The golf club according to claim 4 wherein the mass member has a mass ranging from 20 grams to 40 grams. 6. The golf club according to claim 4 wherein the mass member has a mass of 30 grams.
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Frequently asked questions
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- What does patent US11517795B1 cover?
- A process for manufacturing a putter with a bi-material shaft is disclosed herein. The putter comprises a putter head, the bi-material shaft, a mass member and a grip. The bi-material shaft comprises a body with a tip end and a butt end. The body comprises a metal section extending from the tip end to a connection point, and a composite section extending from the butt end to the connection poin…
- Who is the assignee on this patent?
- Callaway Golf Co, Topgolf Callaway Brands Corp
- What technology area does this patent fall under?
- Primary CPC classification A63B1/00. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Dec 06 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).