Patent ID: 6332673
Filing Date: 2001-12-25
Classification: B41J

Abstract:
A liquid container comprising:a first chamber for accommodating a negative pressure producing material and having an air communication part for communication with ambient air;a second chamber defined by plural walls including side walls and a partition wall which partitions said second chamber from said first chamber, said second chamber being substantially closed except for a liquid communication part defined by said partition wall for communication with said first chamber, said second chamber containing a reservoir of liquid for being supplied to said first chamber; anda deformation preventing member in said second chamber for preventing deformation of a large inside area of the side walls of said second chamber,wherein the liquid communication part includes a first gap separating a lower portion of the partition wall from a lower one of the plural walls of said second chamber, and wherein said deformation preventing member and the lower wall are separated by a second gap that is a free gap and is larger than the first gap.