Golf club
US5080365A · kind A · utility
51Cited by
7References
11Claims
0Family size
Inventor
Key dates
| Filing date | Apr 3, 1990 |
| Grant date | Jan 14, 1992 |
| Priority date | — |
| Expiry date | Apr 3, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B53/047
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club head characterized by: (1) a longitudinal division of the principal mass, (2) a high polar moment of inertia to mass ratio, (3) a striking surface structure with a first order resonant frequency of at least 2000 cps, (4) nearly equal yaw and pitch polar moments of inertia, (5) symmetry about and positive identification of longitudinal axis and sweet spot, (6) a striking surface which lies well forward of the neutral axes, and (7) a point of application of the stroking forces on the longitudinal axes and forward of the center of gravity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.