LIQUID HOUSING DISPENSER WITH IMPROVED POSITION DISPLAY MARK

摘要

PROBLEM TO BE SOLVED: To obtain a useful implement for housing and supplying an ink in and to an ink jet printer. SOLUTION: A main reservoir of a flexible porch state is provided in an ink containing dispenser implement 10, and coupled to a variable volume chamber via a one-way valve. The chamber is coupled a constantly closed fluid outlet. The chamber is a part of a pump 18 having an ink supply source. And, the pump 18 is operated to supply an ink from the reservoir to a printer. The pump 18 has a linearly operating pressure feeding member and a diaphragm 44 superposed on the feeding member. And, the diaphragm 44 is impermeable to an oxygen and a moisture which transmit the diaphragm. A flexible porch is contained in a rigid outside shell 12 having opposed pair of short sides interspersed together with opposed pair of long sides, and a short side of the shell in a region a closed end of a cup-like shell is constituted to be grasped and to confirm a position of the end of the shell.