| 摘要 |
A closure mechanism includes a slider that slides along first and second elongate closure members to engage or to separate the members. The slider interacts with (i) a first series of regularly spaced features on the first elongate closure member to produce a first feedback at a first frequency, (ii) a second series of regularly spaced features on the first elongate closure member to produce a second feedback at a second frequency, and (iii) a series of regularly spaced features on the second elongate closure member to produce a third feedback at a third frequency, the first, second, and third feedbacks being produced when the slider is slid along the first and second elongate closure members. The spacing of the regularly spaced features on the closure members are different from each other such that the first, second, and third frequencies are different from each other. |
