| 摘要 |
1,192,139. Golf clubs. A. P. PEDRICK. 25 Sept., 1968, No. 45479/68. Heading A6D. A wooden golf club is fitted on the face with a number of blades 1, which are approximately vertical when the club .head is resting on the ground, the blades being capable of being forced back by impact with the ball, and those blades which are not forced back act as barriers resisting the tendency of 'the ball to roll across the face ofthe club, the blades normally being maintained in projected position by the pressure of a common distendible fluid pressure bag 3. |
