Puller and staggered zipper
The puller comprises an upper bottom plate and a lower bottom plate, an upper protrusion on the left side of the upper bottom plate right faces a lower protrusion on the left side of the lower bottom plate, an upper protrusion on the right side of the upper bottom plate right faces a lower protrusio...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The puller comprises an upper bottom plate and a lower bottom plate, an upper protrusion on the left side of the upper bottom plate right faces a lower protrusion on the left side of the lower bottom plate, an upper protrusion on the right side of the upper bottom plate right faces a lower protrusion on the right side of the lower bottom plate, and the thickness of the upper protrusion on the left side is smaller than that of the upper protrusion on the right side. The thickness of the left side lower protrusion is larger than that of the right side lower protrusion. The gap between the left side upper protrusion and the left side lower protrusion is a first gap, the gap between the right side upper protrusion and the right side lower protrusion is a second gap, the thickness of the left side upper protrusion is smaller than that of the right side upper protrusion, and the thickness of the left side lower protrusion is larger than that of the right side lower protrusion. The first gaps and the second gaps on |
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