CARTRIDGE AND PRINTING MATERIAL SUPPLY SYSTEM

摘要

A printing material supply system 10 includes a printer 50 equipped with a holder 600 and cartridges 20 that are detachably attached to the holder 600. The holder 600 has a first apparatus-side locking element 810 and a lever 800. The first apparatus-side locking element 810 is formed as part of the lever 800. The cartridge 20 has a first cartridge-side locking element 210 that includes a first locking surface 211 to engage with the first apparatus-side locking element 810. The first cartridge-side locking element 210 has an extended surface 219 that prevents a negative Z-axis end 818 of the lever 800 from running on the first locking surface 211.

主权项

1. A cartridge configured to be removably attached to a cartridge mounting structure of a printing apparatus comprising a printing material supply tube, an apparatus-side terminal constructed to apply a pressing force to the cartridge when the cartridge is mounted to the cartridge mounting structure, a lever having an apparatus-side locking element,
the cartridge comprising: a first face located on a negative Z-axis side and a second face located on a positive Z-axis side, as two faces opposed to each other in a Z-axis direction; a third face located on a positive X-axis side and a fourth face located on a negative X-axis side, as two faces opposed to each other in an X-axis direction and intersecting the first face and the second face; a fifth face located on a positive Y-axis side and a sixth face located on a negative Y-axis side, as two faces opposed to each other in a Y-axis direction and intersecting the first, second, third and fourth faces; a sloped surface provided in a corner section arranged to connect the first face with the third face and inclined in the negative Z-axis direction and in the positive X-axis direction; a printing material supply port provided on the first face and configured to be connectable with the printing material supply tube; a cartridge-side terminal provided on the sloped surface and configured to be in contact with the apparatus-side terminal while receiving the pressing force including the positive Z-axis component from the apparatus-side terminal, so as to be electrically connected with the apparatus-side terminal, in the attached state of the cartridge to the cartridge mounting structure; and a cartridge-side locking element provided on the third face, wherein the cartridge-side locking element has a locking surface that faces in the positive Z-axis direction, the locking surface configured to engage with the apparatus-side locking element in the attached state of the cartridge to the cartridge mounting structure, and an engagement-preventing structure is provided on the positive Z-axis side of the locking surface of the cartridge-side locking element to prevent engagement between a negative Z-axis end of the lever and the locking surface.