Fasteners with improved retaining effect

1. Field of the Invention A fastener includes a main body having a number of spaced ridges formed on an outer periphery thereof. The ridges are arranged along a helix. At least one of the ridges has a retainer extending in a direction that is at an angle with an extending direction of the ridge. In...

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Bibliographische Detailangaben

Hauptverfasser:	Chen-Chi, Ju-Ching, Yeh, Li-Hsin
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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