| 摘要 |
A buckle which is an insertion type, wherein looseness between a buckle main body and an insertion body is eliminated and generation of impact sound or vibration sound is prevented, and in a resin buckle including the buckle main body formed of a housing and the insertion body having insertion leg portions on both sides, a concave guide groove is provided in a longitudinal direction of a center of an inner face of each of an upper face plate and a lower face plate of the housing of the buckle main body, while a guide lever which can be inserted into the guide groove provided in the housing is provided in a protruded form in a center of a proximal lever of the insertion body. A sliding contact portion which is elevated to make pressure contact with an opposing face is provided in part of the guide groove or the guide lever, or both the guide groove and the guide lever.
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