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Pelican hook : ウィキペディア英語版 | Pelican hook
A pelican hook is a piece of nautical rigging hardware composed of a hinged link held closed by a circumferential link capable of being released under load. Small examples are held closed by hand while the retaining link is displaced while larger examples are hit with a hammer or sledge hammer to release. The asymmetric appearance of the two hinged pieces is similar in appearance to a pelican's beak. It is frequently used to secure ships' anchors and life raft canisters but has many other applications. == References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Pelican hook」の詳細全文を読む
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