| 摘要 |
<p>Over-center closure apparatus comprising an elongate element configured to define a central region having a first length; first and second intermediate regions arranged in a first plane having respective third and fourth lengths and being angularly disposed with respect to the central region; and first and second end regions adapted to be rotatably secured to a member and forming respective first and second vertices with the outer ends of the first and second intermediate regions and having respective fourth and fifth lengths and being disposed at an acute angle with respect to the axis joining said first and second vertices.</p> |
