| 摘要 |
<p>The slide fastener has a pair of independently movable sliders, each of which has a pull tab pivoted to it. A housing is mounted on the pull tab of one slider and has a driver movably received within it. The driver is in the form of a rotatable cylinder with accentric pin depending axially from the lower surface of a bolt comprising a rectangular plate within which an elongate opening is formed is moved by the drives. The eccentric pin fits into an opening to move the pin between a position partly projecting into an aperture in the pull tab and a position free of the aperture.</p> |
