Hook and pin hinged connection

A molded hinge mechanism includes a pair of hinge members having open slotted barrel portions which may be molded integrally with the hinge members without the necessity of core inserts or separate drilling operations. The hinge members include at least one pair of interfitting semi-cylindrical surf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKAI, AKIO T
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A molded hinge mechanism includes a pair of hinge members having open slotted barrel portions which may be molded integrally with the hinge members without the necessity of core inserts or separate drilling operations. The hinge members include at least one pair of interfitting semi-cylindrical surfaces generated about the common axis of the barrel portions which slidably engage with one another as the hinge members rotate relatively about the axis. The slots which contain the hinge pin are open and the slidable interfitting of the semi-cylindrical surfaces prevents the hinge members from separating when the slots are oriented 180 DEG oppositely. Since the semi-cylindrical surfaces do not intrude into the open slots, each hinge member may be molded in a one step operation without the necessity of drilling or inserts.