Invisible zipper head assembly structure for increasing positioning effect and sliding member thereof
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United States of America Patent
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Oct 3, 2017
Grant Date -
Feb 9, 2017
app pub date -
Oct 23, 2015
filing date -
Aug 5, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An invisible zipper head assembly structure includes a sliding member and a pulling member. The sliding member has a base portion, a first lateral wall portion, a second lateral wall portion, a seat portion, an elastic component, and a retaining body. The retaining body has a positioning portion passing through a positioning through hole of the seat portion. The pulling member is movably mated with the retaining body. The thickness of the first lateral wall portion is smaller than the thickness of the second lateral wall portion. The first symmetric center line of the base portion passes through a geometric center point of the positioning through hole, and the second symmetric center line of the seat portion is horizontally moved relative to the first symmetric center line by horizontal offset and along a horizontal direction from the second lateral wall portion to the first lateral wall portion.
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