| 摘要 |
PROBLEM TO BE SOLVED: To provide a reel-engaging structure capable of allowing the looseness of a nut part to be immediately judged. SOLUTION: This reel-engaging structure has a ring part 50, a positioning pin 51 and a coil spring 52. The ring part 50 is fixed to the outer periphery of the rear part of a supporting cylinder part 41 of a nut part 12 by a faucet binding. The positioning pin 51 is housed in the interior of a concave hole 38 so as to be freely moved along the axis direction. The coil spring 52 can urge the positioning pin 51 to a ring part side. The positioning pin is the mushroom-shaped pin having the tip of a head part, formed into a spherical shape, and the coil spring 52 in the compressed state is arranged around the outer periphery of the stem part of the positioning pin 51. Round holes 53 capable of facing to the positioning pin 51 are formed at the positioning pin 51 side of the ring part 50, at a constant distance in the periphery direction. When the nut part 12 rotates against the moving sheet part 11, the positioning pin 51 collides with the round holes 53 and generates crick sound. |
