B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/20 (2006.01) B41J 2/165 (2006.01)
Patent
CA 2458602
A nozzle guard (80) for an ink jet printer printhead with an array (14) of nozzles (10). The nozzle guard (80) has an array of apertures (84) individually corresponding to the nozzle array (14). The ink droplets are ejected through the apertures (84) and onto the media to be printed. A wiper blade (143) sweeps dust and residual ink (144) stuck to the exterior surface (142) of the nozzle guard (82) characterized in that the exterior surface (142) has a recess (146) individually associated with each of the apertures (86) for preventing residual matter (144) carried by the wiper blade (143) from lodging within the aperture (84).
L'invention concerne un élément de protection de buses (80) destiné à une tête d'impression à jet d'encre comportant un réseau (14) de buses (10). Cet élément de protection de buses (80) comporte un réseau d'ouvertures (84) correspondant individuellement au réseau de buses (14). Les gouttes d'encre sont éjectées à travers les ouvertures (84), sur le support à imprimer. Une raclette (143) balaie la poussière et l'encre résiduelle (144) collées sur la surface extérieure (142), l'élément de protection de buses (82) se caractérisant en ce que sa surface extérieur (142) présente un enfoncement (146) associé individuellement à chaque ouverture (84), cet enfoncement empêchant la matière résiduelle (144) transportée par la raclette (143) de se loger dans les ouvertures (84).
Oyen Wiggs Green & Mutala Llp
Silverbrook Research Pty. Ltd.
LandOfFree
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