分类： 信息化
2014-06-04 16:35:48
Improved buckle on a buckle, composed of base, crown block, block, throw blocks and s.Base, top block, block, and throw pieces have three axle hole and through the shaft pin pin set into an organic whole.Shoelaces for the strip body, wear in the bottom of the base, which is formed between a ladder tooth block and throw pieces of ratchet piece of mesh, its two side with chute and cooperate with each other and the second piece of base plate, throw throw block before and after pull (department, can make the shoes back and fasten, pressure switch button top piece, can make the top button at the top and throw blocks off , retaining ring can be easily pulled positioning after eli to relax or to fasten shoelaces.
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