| 摘要 |
The opener comprises a base which is attached to support structure and provides a member extending generally horizontal and a lift tab engagement element hinged to the end of the generally horizontal base member. The engagement fits over the rim of the top of a lift tab container and under the tab, extending somewhat past the effective hinge point of the tab on the container top and positioned laterally with respect to the lift tab by a flange on each side of the element. A tab extends from each flange part way over the top of the lift tab. The engagement element is hinged so that it can deflect downward only from its essentially horizontal at rest position and is returned to that position by a spring. In use the container is maneuvered to engage the lift tab in the engagement element and then moved so that the engagement element pivots on its hinge axis, functions as a Class 2 lever and opens the container. Reversing the opening motion puts the lift tab into close to its original position.
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