To provide an attachable cartridge for purifying water on a stand by one operation.
An inner cylinder 21 into which the cartridge with a ring-shaped rib 5 formed on the periphery, a sleeve 26 formed on the inside of the cylinder 21, a spring 30 for biasing the sleeve 26 toward the cartridge 1, a hole 21c which is opened when the sleeve 26 is moved with the insertion of the cartridge 1, a spherical body 35 which is protruded from the hole 21c when the sleeve 26 is moved and the hole is opened, is engaged with the rib 5, and fixes the cartridge 1 to the cylinder 21, a slider 32 installed on the outside of the cylinder 21, a spring for biasing the slider 32, and a hole 32a which is formed in the slider 32, receives the retreat of the slider 32 from the hole 21c of the spherical body 35 when the slider 32 is moved manually against the spring 34 while the spherical body 35 is engaged with the rib 5 are provided.
KATO KIYOSHI
NISHIGORI TAKATOMI
