US 12,011,077 B2
Shell device for cosmetic storage container
Haiying Yang, Kunshan (CN)
Assigned to SHYA HSIN PACKAGING INDUSTRY (CHINA) CO., LTD., Kunshan (CN)
Appl. No. 18/023,736
Filed by SHYA HSIN PACKAGING INDUSTRY (CHINA) CO., LTD., Kunshan (CN)
PCT Filed Jun. 29, 2021, PCT No. PCT/CN2021/103211
§ 371(c)(1), (2) Date Feb. 28, 2023,
PCT Pub. No. WO2022/227262, PCT Pub. Date Nov. 3, 2022.
Claims priority of application No. 202110447536.8 (CN), filed on Apr. 25, 2021.
Prior Publication US 2023/0337807 A1, Oct. 26, 2023
Int. Cl. A45D 40/06 (2006.01)
CPC A45D 40/06 (2013.01) [A45D 40/065 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A shell device for a cosmetic storage container, comprising a movable cylindrical portion, a rotatable cylindrical portion, and a spiral barrel sequentially from inside to outside, wherein a cutting groove is formed axially in the rotatable cylindrical portion; a guiding protrusion is provided on an outer sidewall of the movable cylindrical portion; the movable cylindrical portion is movably provided in the rotatable cylindrical portion; the guiding protrusion is movably positioned in the cutting groove; a spiral groove is formed in an inner wall of the spiral barrel; the guiding protrusion is movably positioned in the spiral groove; a bottom of the spiral barrel is clamped with and sleeved outside the rotatable cylindrical portion; the spiral barrel and the rotatable cylindrical portion rotate relative to each other in a circumferential direction, and the spiral barrel and the rotatable cylindrical portion are positioned relative to each other in an axial direction; a first spiral guideway is provided in the spiral groove; a second spiral guideway is provided at an outer side of the guiding protrusion; and the second spiral guideway is exactly and movably provided in the first spiral guideway.