Iron type golf club head
US5176384A · kind A · utility
346Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1989 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | May 31, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B53/0416
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An iron type golf club head includes a head body constituted by a blade portion, a sole portion, and an impact surface portion. At least the impact surface portion of the head body is constituted by a thin plate consisting of a thermoelastic type martensite transformation alloy. The thickness of the impact surface portion is set in the range of 1.0 to 5.0 mm, and is smaller than that of each of the blade and sole portions of the head body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.