流路開閉装置及び該流路開閉装置を備えたインクジェット記録装置

摘要

PROBLEM TO BE SOLVED: To provide a passage opening/closing device which can maintain the pressing force applied to a tube 75 from an opening/closing member 102 at a constant level.SOLUTION: A passage opening/closing device comprises an elastic support member 104 that elastically supports a tube support member 101 in a manner that it can approach/separate with respect to the opening/closing member 102.