Retractable writing instrument

B - Operations – Transporting – 43 – K

Patent

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Details

B43K 8/02 (2006.01)

Patent

CA 2684286

A writing utensil (1000) configurable between retracted and extended configurations is provided. The writing utensil (1000) includes a body (1030 & 1032) having an interior volume and an aperture (1012). A reciprocally movable nib assembly (1070) is located in the body (2030 & 1032) and includes a nib (1010) that, when in the extended configuration, traverses the aperture (1012). To prevent the nib (1010) from drying when in the retracted configuration, a sealing element seals the aperture (1012). The sealing element can be a sliding door (1220) that is attached to the nib assembly (1070) and overlays the aperture (1072). When the nib assembly (1070) is moved to the extended configuration, the sliding door slides (1220) in a manner that opens the aperture (1012). Additional components such as a seal component (1020), spring (296), compression ring and/or an O-ring (1028) may be utilized.

L'invention concerne un outil d'écriture pouvant présenter une configuration rétractée et une configuration étendue. L'outil d'écriture est formé d'un corps présentant un volume intérieur et une ouverture. Un ensemble plume à déplacement réciproque est situé dans le corps et comprend une plume qui, dans la configuration étendue, traverse l'ouverture. Afin d'empêcher la plume de sécher lorsqu'elle se trouve dans la configuration rétractée, un élément d'obturation bouche l'ouverture. L'élément d'obturation peut être un élément coulissant fixé à l'ensemble plume et recouvrant l'ouverture. Lorsque l'ensemble plume se trouve en position étendue, l'élément coulissant glisse de manière à ouvrir l'ouverture. Des composants supplémentaires tels qu'un composant d'étanchéité, un ressort, un anneau de compression, une butée rotationnelle et/ou un joint torique peuvent être utilisés.

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