CROWN STRUCTURE OF ZIPPER HEAD
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United States of America Patent
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N/A
Issued Date -
May 31, 2012
app pub date -
Nov 29, 2010
filing date -
Nov 29, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A crown structure of zipper head includes a crown and a resilient sheet. A reception cavity is indented from a bottom surface of the crown. Two abutment portions are formed at the side portions of the bottom face of the reception cavity. A recess portion is defined between the two abutment portions. The crown includes a side wall elongated respectively along the lateral side of the crown. A passage is formed respectively at the mid section of the sidewall and communicates with the reception cavity. A stop portion is disposed on each lateral side of the crown and adjacent to the passage. The resilient sheet is disposed in the reception cavity and abuts the stop portions. The resilient sheet has a through hole at each end respectively, and two opposed troughs are formed at the mid section of the lateral sides of the resilient sheet.
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