Invention Grant
US09549603B2 Cartridge-type cosmetic container 有权
筒式化妆品容器

Cartridge-type cosmetic container
Abstract:
A cartridge-type cosmetic container includes: a main body outer tube to which a cartridge body is attached; a driver body that is rotatable relative to the main body outer tube; a push rod that is propelled by relative rotations of the main body outer tube and the driver body; and a screw spring that is housed in the main body outer tube, and contracts as a result of attaching the cartridge body. The screw spring includes: a first flat plate part whose position is defined in the main body outer tube; a second flat plate part that approaches the first flat plate part by the cartridge body attached; plate spring parts that join both of the flat plate part each other; and a female thread protuberance that is provided on the plate spring parts, and interlocks with a male thread of the push rod as the plate spring parts curve.
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