| 摘要 |
A ball screw system comprises an inner screw member (2), an outer screw member (3) and a plurality of balls (1). Each ball is held between a flank of the thread (4) of the inner screw member and a flank of the thread (5) of the outer screw member. The thread of each screw member extends into the spaces between the thread of the other screw member. <IMAGE> |
