| 摘要 |
A tube fitting (1) is provided which is capable of easily attaching and detaching a tube (50) by one hand manipulation and of more improving attachability and detachability and setting pressure contact force to be higher. The tube fitting (1) including a tubular main body (2), a sleeve (3) being tubular-shaped and being fixed in the main body (2) with axial lines of the main body (2) and the sleeve (3) coincided with each other, a locking member (4) having a ring part (5) and a plurality of extended parts (6) extending from the ring part (5) toward an axial direction and being mounted in the sleeve (3) in a state where axial lines of the ring part (5) and the sleeve (3) are coincided with each other and being movable in the sleeve (3) in an axial direction and in a circumferential direction.
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