Composite golf club shaft
US5692970A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 14, 1995 |
| Grant date | Dec 2, 1997 |
| Priority date | — |
| Expiry date | Mar 14, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B15/0083
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A substantially tubular rigid golf club shaft made of a composite of structural fiber laminate in a resin matrix, the shaft comprising a grip portion, a medial portion and a head attachment portion, PA1 the grip portion having a upper grip end and a lower grip end and being constructed and configured for a grip to be mounted on said grip portion that covers the exterior surface of the grip portion and extends substantially the entire length of said grip portion from said upper grip end to said lower grip end, PA1 the medial portion having a upper medial end adjacent to the lower grip end and extending a lower medial end adjacent to the head attachment portion, PA1 the head attachment portion having a upper head attachment end and a lower head attachment end with the upper head attachment end adjacent to the lower medial end, the head attachment portion constructed and configured for a golf club head to be mounted on said head attachment portion, PA1 a step transition in the exterior surface of the shaft that abruptly increases the diameter of the shaft between the exposed medial portion and either or both the grip portion and the head attachment portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.