Set of iron clubs
US6089990A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 20, 1998 |
| Grant date | Jul 18, 2000 |
| Priority date | — |
| Expiry date | May 20, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B53/0408
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present invention relates to a set of iron clubs. It is an object of the present invention to provide a set of iron clubs in which the directivity of a ball hit with an iron club belonging to a group of long iron clubs used for hitting the ball strongly so as to get distance can be stabilized and the time to close the face of the head can be made to coincide with each other so that it is easy for a player to hit a ball with the iron club. A set of iron clubs composed of a plurality of iron clubs, the club numbers of which are different from each other, are characterized in that: distances of the centers of gravity of the head bodies of groups of long iron clubs and short iron clubs are respectively set in a predetermined size range; and the distances of the centers of gravity of the group of long iron clubs are set smaller than the distances of the centers of gravity of the group of short iron clubs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.