| 摘要 |
<p>A bi-stable, snap-action closure has a body (24) connected with a hinge structure (28) to a lid (26). The hinge structure (28) includes central web portion (100) between two outer tension spring web portions (102). The central web portion (100) has an arcuate configuration that is (1) convex on the exterior side (116) of the central web portion (100) and (2) concave on the interior side (120) of the central web portion (100) when the lid (26) is in a self-maintained stable first position,</p> |
