Patent ID: 7419240
Filing Date: 2008-09-02
Classification: B41J

Abstract:
1. A print head cap comprising: a bottom surface; and a ring-like lip surrounding the bottom surface like a ring, protruding toward a nozzle surface of a print head of an ink jet printer and being elastically deformable, the ring-like lip to be pressed onto the nozzle surface to cover the nozzle surface therewith; wherein the ring-like lip has corners that change a direction of surrounding the bottom surface and includes a distal end and a groove that urges the distal end to be deformed in an outer side of the ring-like lip, the groove extending vertically and perpendicular to the bottom surface, and the distal end falling downward to an inside of the groove when a print head cap is pressed onto the nozzle surface; and the corners are more elastically deformable than other portions of the ring-like lip, and the corners are made thinner than the other portion.