Patent ID: 8435698

Claim:
A fuel container comprising: a container main body in which a liquid fuel is housed and a fuel exhausting port to exhaust the liquid fuel to an outside is formed; a following auxiliary member which is solid, and situated on an end side of the liquid fuel in the container main body, the following auxiliary member moving to a side of the fuel exhausting port as the liquid fuel is exhausted; and a following body situated on the end side of the liquid fuel, and packed in a space between an inner peripheral surface of the container main body and an outer peripheral surface of the following auxiliary member, wherein the following body comprises one of a liquid, a sol, and a gel, and wherein the following body moves to the fuel exhausting port as the liquid fuel is exhausted, wherein at least one of the inner peripheral surface of the container main body and the outer peripheral surface of the following auxiliary member includes a concave portion and a projecting portion, and wherein the following body directly contacts with the inner peripheral surface of the container main body and the outer peripheral surface of the following auxiliary member.