| 摘要 |
PURPOSE: Lock structure of an iron fastener is provided to stably maintain a locking condition of an iron loop, and to prevent the unintentional opening of the iron loop by external force while ensuring the easy release thereof. CONSTITUTION: A rotating shaft(16) mounted with a plurality of iron loops(12) along a longitudinal direction thereof is rotatably and slidably received in a sheath shaped portion(20) formed at the side of a base plate so as to be moved axially by the force of spring members and a nail member(38) is held at the edge of the sheath shaped portion in a closing condition of the iron loop so that the nail member is able to be released by the actuation of a pushing member(32).
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