A - Human Necessities – 44 – B
Patent
A - Human Necessities
44
B
24/47
A44B 19/02 (2006.01) A44B 19/26 (2006.01) A44B 19/30 (2006.01) A44B 19/36 (2006.01)
Patent
CA 1091903
ABSTRACT OF THE DISCLOSURE A slide fastener includes a bottom end stop member for limiting the downward or opening movement of a slider along a pair of series of fastener elements carried on and along confronting longitudinal edges of oppositely disposed stringer tapes. Each of upper and lower wings of the slider has a pair of guide flanges extending on and along its lateral edges. The lengths of each pair of guide flanges are so related to the pitch of the fastener elements that those two opposed fastener elements, located within a guide channel of the slider in adjacent relationship to the front ends of the two pairs of guide flanges, have their respective longitudinal axes disposed downwardly of the front ends of the lateral guide flanges when the slider is in its lowermost position. The invention provides advance in the art by achieving that with the slider in its lowermost position, the slider, a bottom end stop and fastener elements cooperate to prevent those two opposed fastener elements which are located within a Y-shaped slider guide channel from being forcibly disengaged from respective beaded tape edges even when a relatively severe lateral pull tending to separate the opposed stringer tapes away from each other is exerted on the fastener.
273530
Sugiyama Takayuki
Takahashi Kihei
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
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