To prevent a first member and a second member so formed that their positions are adjustable in the circumferential direction from being displaced in a fuel tank by vibration or impact during operation.
In this fuel supply device, the first member 16 and the second member 14 are installed side by side in the inside of the fuel tank 11 with those members connected by a connecting mechanism so as to be relatively movable in their height direction, A large number of parts 17, 18 to be engaged are formed on the peripheral surface of the second member 14 in an arranged state in the circumferential direction, and the connecting mechanism 20 is equipped with an engagement part 23 which can be engaged with each of the parts 17, 18 so as not to be relatively movable, and a connecting part 25 connected to the side wall of the first member 16 so as to be relatively movable in the height direction and so as not to be relatively movable in the circumferential direction.
FUJIWARA TAKUTO
USUI TAKAYUKI
