Lipstick container

Patent metadata

Field	Value
Publication number	US-11304496-B2
Application number	US-201816957879-A
Country	US
Kind code	B2
Filing date	Dec 27, 2018
Priority date	Dec 27, 2017
Publication date	Apr 19, 2022
Grant date	Apr 19, 2022

Abstract

A lipstick container, including: a container main body and a cap, in which the container main body includes a middle plate body provided with a screw pin, a middle cylindrical body, an inner cylindrical body in which a spiral groove into which the screw pin screwed is formed, and an outer cylindrical body, and one of the middle plate body and the inner cylindrical body moves up to a fixed position through rotation of the outer cylindrical body, and once the one reaches the fixed position, the other of the middle plate body and the inner cylindrical body moves up through rotation of the outer cylindrical body.

First claim

The invention claimed is:

1. A lipstick container, comprising:
a container main body; and
a cap mounted on the container main body,
wherein the container main body includes
a middle plate body in which lipstick is stored and is provided with a screw pin,
a middle cylindrical body which guides the middle plate body such that the middle plate body can move vertically but cannot rotate,
an inner cylindrical body in which a spiral groove into which the screw pin of the middle plate body is screwed is formed, and which vertically moves the middle plate body by rotating on an outer circumference of the middle cylindrical body, and
an outer cylindrical body, an inner circumferential surface of which is screwed into an outer circumferential surface of the inner cylindrical body, and
wherein one of the middle plate body and the inner cylindrical body moves up to a fixed position through rotation of the outer cylindrical body, and once the one reaches the fixed position, the other of the middle plate body and the inner cylindrical body is moved up through rotation of the outer cylindrical body.

2. The lipstick container according to claim 1 ,
wherein an operation resistance when the inner cylindrical body is screwed into the outer cylindrical body is larger than an operation resistance when the screw pin of the middle plate body is screwed into the spiral groove of the inner cylindrical body.

3. The lipstick container according to claim 2 ,
wherein the inner cylindrical body includes a screw portion screwed into the outer cylindrical body, and
wherein an interfering projection is formed in the screw portion.

4. The lipstick container according to claim 3 ,
wherein a plurality of the interfering projections are formed intermittently along the screw portion.

5. The lipstick container according to claim 3 ,
wherein the interfering projection is formed in a valve actuator elastically deformable in a radial direction.

6. The lipstick container according to claim 1 ,
wherein an operation resistance when the inner cylindrical body is screwed into the outer cylindrical body is smaller than an operation resistance when the screw pin of the middle plate body is screwed into the spiral groove of the inner cylindrical body.

7. The lipstick container according to claim 1 ,
wherein the inner cylindrical body includes a screw portion screwed into the outer cylindrical body, and
wherein a pitch of the spiral groove is larger than that of the screw portion.

8. The lipstick container according to claim 7 ,
wherein an interfering projection is formed in the screw portion.

9. The lipstick container according to claim 8 ,
wherein a plurality of the interfering projections are formed intermittently along the screw portion.

10. The lipstick container according to claim 1 ,
wherein the inner cylindrical body includes a screw portion screwed into the outer cylindrical body, and
wherein a pitch of the spiral groove is smaller than that of the screw portion.

11. The lipstick container according to claim 1 ,
wherein the inner cylindrical body has a planar portion provided at an upper end portion of the spiral groove, the planar portion along a direction orthogonal to a direction along a central axis of the inner cylindrical body.

12. The lipstick container according to claim 11 ,
wherein the inner cylindrical body includes a screw portion screwed into the outer cylindrical body, and
wherein an interfering projection is formed in the screw portion.

Assignees

• Yoshino Kogyosho Co Ltd

Inventors

• Yoshimura Kazuhisa

Classifications

• B65D83/764

  the piston cooperating with a screw-thread in the side wall of the container · CPC title

• A45D40/06 Primary

  Casings wherein movement of the lipstick or like solid is a screwing movement · CPC title

• A45D40/12

  Casings with provision for preventing undesired movement of the stick (A45D40/10 takes precedence) · CPC title

• A45D40/02 Primary

  Casings wherein movement of the lipstick or like solid is a sliding movement (A45D40/06 takes precedence) · CPC title

• A45D40/04 Primary

  effected by a screw · CPC title