Slide fastener with simple locking mechanism

摘要

In a slide fastener, at least one stopping element including a resistance portion that increases sliding resistance by being brought into contact with an inner surface of a slider when the slider is sliding is locally disposed locally on an element row of a fastener stringer. Accordingly, the slider can be stopped at any position where the stopping element is disposed arbitrarily on the element row and an immobilized state of the slider can be maintained. By operating the slider with a force greater than the sliding resistance to the stopping element, the slider can be made to ride over the resistance portion of the stopping element and to slide along the element row.

主权项

1. A slide fastener comprising a pair of first and second stringers in which an element row is disposed on opposed tape side edges of first and second fastener tapes and a slider that can slide along the element rows, each of the element rows including a plurality of fastener elements attached to the tape side edges at predetermined intervals and the slider including upper and lower blades, a connecting post connecting the upper and lower blades, and a flange portion disposed on left and right side edges of at least one of the upper and lower blades, wherein
at least one of the fastener elements is a stopping element, which includes a resistance portion capable of making the slider stop and capable of locking the slider by contacting an inner surface of the slider, the stopping element includes a base fixed to the tape side edge of the first and second fastener tapes, a neck extending outwards beyond the tape side edge and having a shape constricted in a tape length direction, and a coupling head disposed on a tip side of the neck and having a substantially oblong shape and a shoulder extending from a front and a back of the neck in opposing directions in the tape length direction from a center portion of the neck and in a tape front and rear direction; and a dimension in the tape front and rear direction of the stopping element including the resistance portion is larger than a dimension between the upper and lower blades of the slider, or a chain width when the element rows are coupled across the stopping element including the resistance portion is larger than a minimum interval between the left and right flange portions of the slider, wherein when the left and right element rows are coupled and the stopping element, including the resistance portion is within the slider, the slider stops.