| 摘要 |
A slider that reduces the tendency of a slider-zipper assembly to deactivate under freezer conditions. One embodiment of the slider comprises an opening window comprising a top portion, first and second side portions respectively connected to opposing ends of the top portion of the opening window, and a keeper connected to and projecting downward from the top portion, the keeper being disposed closer to the first side portion than to the second side portion of the opening window; a closing window comprising a top portion, and first and second side portions respectively connected to opposing ends of the top portion of the closing window, the closing window being separated from the opening window by a central zone; and a pair of opposing ridges located in the central zone proximal to the opening window and comprising respective convex surface of curving form. The ridges cam the profiled closure members of the zipper together and cam the male-profiled closure member toward the keeper.
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