Coupling member for toilet seat device with warm-water sprays

摘要

To provide a coupling member for fixing a toilet seat device with warm-water sprays on a toilet bowl that is able to prevent a bolt from being screwed too tightly. A coupling member for fixing a toilet seat device with warm-water sprays on a toilet bowl is constituted and characterized by comprising a circular cylindrically-shaped elastic deforming portion 70 that is inserted into a mounting hole 14 formed at a rear portion of a toilet bowl 10, a bolt 60 that is inserted into the aforementioned circular cylindrically-shaped elastic deforming portion 70 and that has a threaded portion 62 and a stopper portion 64 formed respectively on a lower side and an upper side, and a nut 80 that is provided on the aforementioned circular cylindrically-shaped elastic deforming portion 70 and screwed on the aforementioned threaded portion 62 and that moves upward by a rotational operation in one direction from an upper side of the aforementioned bolt 60 so as to enlarge the aforementioned circular cylindrically-shaped elastic deforming portion 70 in a circumferential direction.