<p>The disclosed washing machine includes: a washing machine body that has a laundry load/unload opening formed in the upper surface thereof; a water-receiving tub that is elastically supported inside the washing machine body; a rotary tub that is rotatably provided inside the water-receiving tub and that serves as a washing-and-spin-drying tub; and a water supply device that has a water supply valve connected to a water supply source, and a water supply case for receiving and storing the water from the water supply valve, said water supply device being provided in the upper section of the washing machine body and supplying water into the rotary tub. The water supply case includes a water-receiving section that receives the water from the water supply valve, and a storage section that is provided at a position lower than the water-receiving section and that stores the water from the water-receiving section. Of the wall surfaces that form the storage section, the side wall surface that faces toward the inside of the rotary tub from above is provided with a water injection hole for supplying the water stored in the storage section into the rotary tub.</p>
