Patent ID: 6916085

Claim:
A cap fitted to a liquid container having a supply port formed in a bottom wall thereof for supplying a liquid in said liquid container out of said liquid container, said cap comprising: a first latch member engaging with a first engagement member provided on one side wall of said liquid container; a second latch member engaging with a second engagement member provided on the other side wall of said liquid container opposite to the one side wall on which said first engagement member is provided; a bottom wall portion connecting said first engagement member and said second engagement member to each other and including an elastic sealing member provided thereon for sealing off surroundings of said supply port; and a tab provided near said first latch member to lie in a direction of extension of said bottom wall portion and used for removing and fitting said cap from and to said liquid container, a part of said bottom wall portion being elastically deformable by an operating force applied for removing said cap from said liquid container.