Golf club shaft
US6322458A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1997 |
| Grant date | Nov 27, 2001 |
| Priority date | — |
| Expiry date | Oct 29, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2209/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club shaft is constructed by a pipe-shaped body in which a sheet of reinforced fiber prepreg impregnated with synthetic resin is rolled. The golf club shaft includes: a front end portion to which a club head is attached; and a grip portion arranged on the opposite side to the front end portion, wherein a portion, the flexural rigidity of which is the maximum, is arranged on the front end portion side of the grip portion of the pipe-shaped body. The golf club shaft has a characteristic by which user's requirement can be satisfied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.