Patent ID: 9549603
Date: 2017-01-24
CPC Classifications: A45D

Claim:
1. A cartridge-type cosmetic container being used with a cartridge body, containing a cosmetic substance, attached thereto, the cartridge-type cosmetic container comprising: a main body outer tube to which the cartridge body is detachably attached; a driver body that is coaxially attached to the main body outer tube so as to be rotatable relative to the main body outer tube; a push rod with a male thread formed on an outer circumference thereof, the push rod pushing the cosmetic substance in the cartridge body by being propelled by relative rotations of the main body outer tube and the driver body; and a screw spring housed in the main body outer tube, and contracts in an axial direction as a result of attaching the cartridge body, wherein the screw spring includes: a first flat plate part whose position in the axial direction is defined in the main body outer tube; a second flat plate part that approaches the first flat plate part as a result of attaching the cartridge body; a plurality of plate spring parts that join the first flat plate part and the second flat plate part to each other, and curve toward an inner circumferential side when contracting in the axial direction; and a female thread protuberance provided on at least one of the plurality of plate spring parts, and interlocks with the male thread as the plurality of plate spring parts curve.