TOILET SEAT AND ASSEMBLING METHOD FOR TOILET SEAT

PROBLEM TO BE SOLVED: To easily install a toilet seat onto the upside of the main body of a toilet bowl with visibility from above ensured for executing works by a method wherein the toilet seat equipped with an auxiliary functioning part is composed of the main body equipped with a visibility ensuring part and a built-in space forming member. SOLUTION: Nut-incorporating bushes 280 with surfaces thereof being jagged are inserted into and fixed to attachment holes 103 of the main body 102 of a toilet bowl 100. Then, the main body 202 of a toilet seat 200 equipped with an auxiliary functioning part is laid, with ends on the right and the left thereof held by hand and visibility ensured through attaching holes 212, by putting the to-be-attached holes 212 on top of the nut-incorporated bushes 280. Then, attachment bolts 218 are fastened with the nut-incorporated bushes 280 through holes of washers 216 and the to-be- attached holes 212. Furthermore, attaching holes 252 of a built-in space forming member 250 equipped with a toilet seat 254 and a toilet seat cover 256 are put on top of bosses 214 of the toilet seat main body 202, and case-fixing screws 258 and the bosses 214 are fastened together. Works for installation can be executed simply and easily with power applied in one direction from above to below while visibility being ensured from above.