Golf clubs and golf club heads having fluid-filled bladders and/or interior chambers
US7749100B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2006 |
| Grant date | Jul 6, 2010 |
| Priority date | — |
| Expiry date | Dec 5, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2053/0491
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Golf club heads include: (a) a club head body having a ball striking face and defining a rear cavity; (b) a fluid-filled bladder in the cavity; and (c) a retaining member holding the fluid-filled bladder in the cavity. Other club heads include: (a) a club head body having a ball striking face and defining a rear cavity; and (b) an insert member in the rear cavity, wherein the insert member interior includes one or more chambers facing the rear surface of the ball striking face. The chamber(s) may cover at least 30% of a total surface area of the interior surface of the insert member and/or at least 30% of a total interior major surface area of the rear cavity. Golf clubs including these club heads and methods of making such golf clubs and golf club heads also are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.