To provide a water supply device enabling the easy inspection for operation of a vacuum breaker and a toilet bowl using the water supply device.
This water supply device comprises a vacuum breaker having a water flow passage with a water inlet and a water outlet, an atmosphere inlet port communicating with the atmosphere formed in the water flow passage, a valve element closing an atmospheric pressure inlet port when water is passed and opening the atmospheric pressure inlet port when water is not passed, and a water splash preventing member covering the atmosphere inlet to prevent water from splashing to the outside and a shielding case shielding the vacuum breaker. The water splash member is formed of a transparent material. In the shielding case, the water supply device having an opening part at a position where the water splash member can be confirmed from the outside is incorporated in the toilet bowl.
TSUTSUI HARUO
KUBOZONO YUKINORI
WATANABE AKIRA
MIZOGUCHI WAKICHI
