Plastic snap hinge with a flexible element generating the snap action
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United States of America Patent
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Jun 21, 1994
Issued Date -
N/A
app pub date -
Sep 1, 1992
filing date -
Mar 12, 1990
priority date (Note) -
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Abstract
A plastic snap hinge having a lower part and a cap connected to each other by a single or multi-part main hinge and a flexible element which generates a snap action. The flexible element is connected to the lower part and the cap by film hinges integral with the lower part and the cap. The flexible element has a shape which is folded repeatedly and which is such that a straight line penetrating the flexible element intersects the flexible element at least at three points. The construction allows the design of plastic tops with a flat, cap having an extremely large angle of opening and a strong snap action.
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