Patent ID: 8387627

Claim:
A compact powder case comprising: a top case; a bottom case coupled to the top case to open and close the compact powder case; a mid case housed in the bottom case; a lifter disk coupled to the bottom case by a spring supporting the lifter disk elastically; a container to contain a content, the container positioned on the lifter disk; and a grinding member rotatably positioned on a top of the mid case, the grinding member comprising a grinding cap and a grinding insert coupled to the grinding cap, the grinding insert having an aperture to discharge ground content upwardly and a blade disposed at a lower portion of the aperture to grind the content when the grinding insert rotates, wherein the grinding insert rotates along with the grinding cap and against the container when a user rotates the grinding cap; wherein the mid case has a fringe to be positioned at a top of the bottom case when the mid case is housed in the bottom case; the lifter disk further includes a couple of protrusions and a guide groove formed between the couple of protrusions; the mid case further has an assembly guide groove in which the couple of protrusions of the lifter disk are inserted and a notch extended downwardly from the fringe; and the bottom case includes a lifter disk assembly guide to be inserted into the guide groove of the lifter disk and an assembly groove to receive the notch of the mid case.