Mechanism for opening and closing an opening portion

Details Mechanism for opening and closing an opening portion Mechanism for opening and closing an opening portion

A - Human Necessities

45

D

A45D 40/00 (2006.01)

Patent

CA 2695536

A mechanism for opening and closing an opening portion is disclosed. The mechanism can simply and reliably open and close the opening portion without requiring a spring but using a simple mechanism and can stably maintain the closed state of the opening portion. When the opening portion is closed by a lid, with the head end side of the opening and closing member being protruded from the opening portion, the head end of the opening and closing member makes contact with the surface of the lid which faces the inner side of the opening portion, causing the lid to rotate about one end thereof which is rotatably supported by a rotation supporting shaft. This changes the state of the opening portion from the closed state to the opened state. When the head of the opening and closing member retracts into the opening portion from the state in which the opening and closing member is protruded from the opening portion, the protrusion of the opening and closing member will be made to engage the head end of a wound section of the lid, causing the lid to rotate about the one end of thereof which is rotatably supported by the rotation supporting shaft. This changes the state of the opening portion from the opened state to the closed state.

Mécanisme d'ouverture et de fermeture d'une ouverture. Le mécanisme peut ouvrir et fermer l'ouverture de manière simple et fiable sans nécessiter de ressort mais en utilisant un mécanisme simple, et peut maintenir de manière stable un état fermé de l'ouverture. Lorsqu'une ouverture est fermée par un couvercle, si le haut d'un élément d'ouverture et de fermeture sort de l'ouverture, le haut de l'élément d'ouverture et de fermeture entre en contact avec la surface du couvercle tournée vers le côté intérieur de l'ouverture, et le couvercle tourne alors autour d'une extrémité de celui-ci qui est supportée par un arbre de rotation. Cela fait passer l'ouverture de l'état fermé à un état ouvert. Lorsque le haut de l'ouverture et de l'élément de fermeture se rétracte dans l'ouverture après que l'élément d'ouverture et de fermeture soit sorti de l'ouverture, la saillie de l'élément d'ouverture et de fermeture met en prise le haut d'une section bobinée du couvercle, et le couvercle tourne alors autour de l'extrémité de celui-ci qui est supportée en rotation par l'arbre de rotation. Cela fait passer l'ouverture de l'état ouvert à l'état fermé.

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