A - Human Necessities – 44 – B
Patent
A - Human Necessities
44
B
24/47
A44B 19/36 (2006.01) A44B 19/38 (2006.01)
Patent
CA 1058836
ABSTRACT OF THE DISCLOSURE A sliding clasp fastener has a pair of interengageable open-end fittings whereby the fastener stringers may be completely separated one from the other. Each fitting comprises hooking means at each side of a plane parallel to the tapes and transversely opposed surfaces to overlap surfaces of the other fitting. More specifically, each stringer has a series of coupling elements secured to an edge of a carrier tape, the two series of coupling elements being interengaged and disengaged by movement of a slider longitudinally of the stringers, and a pair of interengageable releasably connectable end fittings secured one to each of the carrier tapes adjacent an end of the series of coupling elements. Each end fitting comprises two hooking means positioned one at each side of a plane which is substantially parallel with a plane of the carrier tapes, both hooking means of the one fitting being directed away from its associated series of coupling elements and forming two recesses to receive the hooking means of the other fitting. Both hooking means of the other fitting are directed toward its associated series of coupling elements and form two recesses to receive the hooking means of said one fitting. The hooking means of the pair of end fittings are mutually engageable in one longitudinal direction. Each end fitting further comprises transversely opposed surfaces formed by side surfaces of the hook- ing means, the two hooking means of each end fitting being offset one from the other so that sides of the two hooking means provide said transversely opposed surfaces. The offset in the two end fittings are in opposite lateral directions when the end fittings are interengaged so that sides of the hook- ing means of one end fitting laterally overlap sides of the hooking means of the other end fitting. The resulting arrangement is such that, when the two series of coupling elements and the pair of end fittings are interengaged, the hooking means prevent separation of the end fittings laterally of the carrier tapes, the transversely opposed surfaces of the end fittings prevent separa- tion thereof transversely to the plane of the carrier tapes, and the inter- engagement of the coupling elements prevents longitudinally separation in the opposite longitudinal direction.
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