| 摘要 |
A slider of zipper contains upper and lower covers connected by a crossbar which have boards. The crossbar and boards of both covers form Y-like hollow. For displacement of the zipper connection elements in the upper cover an intermediate with a slotted cam is installed. The last is kinematically connected to zipper fixer. The upper cover has a rib, the intermediate has inner slot and is made in the form of a cleat overlapping the upper cover contour by its surface.
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