Patent ID: 7278721

Claim:
A liquid container detachably mountable to a mounting portion of an apparatus, the mounting portion including a first locking portion and a second locking portion, said liquid container including a casing for containing liquid and a supply port for supplying the liquid to an ink jet head, said liquid container comprising: a first engaging portion provided at a first side of said casing and engageable with the first locking portion; a second engaging portion provided opposed to a second side of said casing which is opposite said first side, said second engaging portion being engageable with the second locking portion; a supporting member for displaceably supporting said second engaging portion; a contact contactable to a member provided in the mounting portion to permit information display means to display information relating to said liquid container; and a substrate which is provided inclinedly at a corner portion connecting said second side and a third side, wherein said supply port is disposed in the third side of said casing which is between said first side and said second side, and wherein said contact is provided on said inclined substrate at said corner portion.