Patent ID: 8646884

Claim:
A liquid supply apparatus comprising: a liquid container configured to store the liquid therein; an installing section which is formed with an opening, wherein the liquid container is configured to be inserted into the installing section via the opening in an insertion direction and thereby installed in the installing section; and an urging member configured to urge the liquid container installed in the installing section toward the opening, wherein the installing section comprises: a guide section which extends from the opening in the insertion direction; at least one stopper which protrudes from the guide section or from a portion adjacent to the guide section in a direction perpendicular to a removal direction which is opposite to the insertion direction; and a holding member configured to releasably hold the liquid container in the installing section against an urging force exerted by the urging member, wherein the liquid container comprises: a storage chamber configured to store the liquid therein; a guide objective section configured to move in the insertion direction and the removal direction, guided by the guide section, when the liquid container is inserted into and removed from the installing section; and at least one protrusion provided on or adjacent to the guide objective section and configured to abut against the at least one stopper, such that the liquid container moves in the direction perpendicular to the removal direction and the at least one stopper does not move in the direction perpendicular to the removal direction, when the liquid container is moved in the removal direction; wherein the at least one stopper comprises a plurality of stoppers which are offset in the removal direction and/or the at least one protrusion comprises a plurality of protrusions which are offset in the removal direction.