A - Human Necessities – 44 – B
Patent
A - Human Necessities
44
B
24/52
A44B 19/30 (2006.01)
Patent
CA 1193833
ABSTRACT OF THE DISCLOSURE A lockable slide fastener slider having a guide groove which allows a pair of rows of coupling elements to pass smoothly through a guide channel without entering an aperture communicating with the guide channel, even when the coupling elements are displaced toward the aperture. The guide groove is defined jointly by a bottom wall and a pair of oblique sidewalls diverging toward the guide chan- nel, the bottom wall having a width substantially the same as that of the aperture. The peripheral wall bounding the aperture has an oblique end portion facing to the guide channel and merging into the oblique sidewalls.
422921
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
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