| 摘要 |
PURPOSE: A putter head with a roller is provided to hit a golf ball at a right position thanks to the roller which is able to roll down to a field despite the strong wind caused by back swing. CONSTITUTION: A putter head(100) with a roller comprises a roller(200) and a bearing. The bottom of the putter head comprises a hole(110) for the roller comprised of a long hole in the horizontal direction. The roller is fixed according to a filed angle so that the roller is able to control the pitching angle of the putting head and be kept straight. The bearing is connected to a bearing part and supports both side of the roller for smoothly rotating the roller. |
