JP5993767B2 - Feeding container - Google Patents

Description

  The present invention relates to a feeding container.

Conventionally, for example, a feeding container as shown in Patent Document 1 below is known. This delivery container is a container having an annular engagement portion and a container peripheral body that is rotatably mounted on the annular engagement portion and extends from the annular engagement portion toward one side along the container axial direction. In the state in which relative rotation between the main body and the container main body is restricted, the container main body is disposed so as to be relatively rotatable with respect to the annular engagement portion. And a holding member that advances and retreats in the container axial direction with rotation. The holding member includes a saucer that holds the contents located in the container peripheral body from the other side along the container axial direction, and a screw rod that protrudes from the saucer to the other side and is inserted into the annular engagement portion. And a member. An internal thread portion is formed on the inner peripheral surface of the annular engagement portion, and an external thread portion that is screwed into the internal thread portion is formed on the outer peripheral surface of the screw rod member.
In this feeding container, when the container peripheral body is rotated relative to the annular engagement portion, the annular engagement portion and the holding member are relatively engaged with each other while screwing the male screw portion and the female screw portion. By rotating, the holding member is advanced and retracted in the container axial direction within the container body.

Japanese Utility Model Publication No. 50-14686

  However, in the conventional feeding container, when the annular engagement portion and the holding member rotate relatively, the male screw portion and the female screw portion are caused by, for example, variations in molding dimensions of the male screw portion and the female screw portion. May be strongly pressed locally at a part along the spiral direction. As a result, the magnitude of the rotational force that needs to be applied in order to rotate the container peripheral body relative to the annular engagement portion may vary depending on the position of the holding member in the container axial direction, and the holding member is moved forward and backward. There is room for improvement in improving the operability during the operation.

  This invention is made | formed in view of the situation mentioned above, Comprising: It aims at providing the delivery container which can improve operativity.

In order to solve the above problems, the present invention proposes the following means.
The feeding container according to the present invention includes an inner cylinder part and an outer cylinder part that is rotatably mounted on the inner cylinder part and extends from the inner cylinder part toward one side along the container axial direction. A container main body, and a container body, wherein relative rotation between the outer cylinder portion and the outer cylinder portion is restricted, and the container main body is disposed so as to be rotatable relative to the inner cylinder portion. A holding member that advances and retreats in the container axial direction with the rotation of the outer cylinder part, and holds the contents located in the outer cylinder part from the other side along the container axis direction in the holding member. A feeding container provided with a main body part and a projecting part that protrudes from the main body part toward the other side and is inserted into the inner cylinder part, wherein a plurality of the projecting parts are arranged in the circumferential direction. The projecting piece is formed in a cylindrical shape with a hollow portion inside, and the outer peripheral surface of the projecting portion has a front Wherein the external thread portion to be screwed into a female screw portion formed on the inner peripheral surface of the inner cylinder portion is formed.

In this invention, when the inner cylinder part and the outer cylinder part are relatively rotated, the inner cylinder part and the holding member are rotated by relatively rotating while the male screw part and the female screw part are engaged with each other. The member moves back and forth in the container axial direction within the container body. At this time, the projecting piece is deformed inward in the radial direction while narrowing the hollow portion, so that the male screw portion and the female screw portion are prevented from being strongly pressed locally in a part along the spiral direction, and the male screw portion and The pressure contact force with the female screw portion can be maintained equal regardless of the position in the spiral direction.
According to this delivery container, the pressure contact force between the male screw portion and the female screw portion can be maintained equal regardless of the position in the spiral direction, so that the outer cylinder portion is rotated relative to the inner cylinder portion. It can suppress that the magnitude | size of the rotational force which needs to be added to varies with the position of the container axial direction of the holding member. Therefore, the outer cylinder part and the inner cylinder part can be rotated relatively smoothly, and the operability can be improved.

  Moreover, each edge part located in the said other side in each of the said some protrusion piece may be mutually connected via the connection part.

  In this case, since each end located on the other side of each of the plurality of projecting pieces is connected to each other via a connecting portion, the inner cylinder portion and the holding member screw the male screw portion and the female screw portion together. When rotating relatively with each other, it becomes possible to restrict the plurality of projecting pieces from twisting and deforming in the circumferential direction to each other, and the outer cylinder part and the inner cylinder part are relatively It can be rotated more smoothly.

  The hollow portion may be provided with an elastic member that is elastically deformable in the radial direction.

  In this case, since the elastic member is disposed in the hollow portion, when the protruding piece deforms radially inward while narrowing the hollow portion, the elastic member is elastically deformed by the protruding piece, and the protruding piece from the elastic member Furthermore, an elastic restoring force according to the deformation amount of the protruding piece can be applied. Thereby, the press-contact force between a male screw part and a female screw part can be maintained further equally irrespective of the position of a spiral direction.

  According to the feeding container according to the present invention, operability can be improved.

It is the figure which showed the holding member by the front view among the feeding containers which concern on one Embodiment of this invention, and showed the other part with the longitudinal cross-sectional view. It is a bottom view of the outer cylinder part which comprises the feeding container shown in FIG. It is a bottom view of the holding member shown in FIG. It is a side view of the holding member shown in FIG. It is the figure which showed the holding member by the front view among the delivery containers shown in FIG. 1, and showed the other part with the longitudinal cross-sectional view. It is a front view of the holding member which comprises the feeding container which concerns on the 1st modification of this invention. It is an AA cross-sectional arrow view shown in FIG. It is a front view of the holding member which constitutes the feeding container concerning the 2nd modification of the present invention. It is a BB cross-sectional arrow view shown in FIG. It is a front view of the holding member which comprises the feeding container which concerns on the 3rd modification of this invention. It is CC sectional view taken on the line in FIG. It is a front view of the holding member which comprises the feeding container which concerns on the 4th modification of this invention. It is a front view of the holding member which comprises the feeding container which concerns on the 5th modification of this invention. It is DD sectional view taken on the line in FIG.

Hereinafter, a feeding container 10 according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5.
The feeding container 10 accommodates, for example, cosmetics (lipstick, lip balm, stick eye shadow, etc.), a rod-like body in which a medicine or glue is formed in a rod shape.
As shown in FIG. 1, the feeding container 10 includes a container body 11, an operation member 12, an overcap 13, and a holding member 14.

Here, the container main body 11, the operation member 12, and the overcap 13 are all formed in a cylindrical shape, and the central axes of the container main body 11, the operation member 12, and the overcap 13 are located on a common axis. The operating member 12 is formed in a bottomed cylindrical shape, the overcap 13 is formed in a topped cylindrical shape, and the opening ends of the operating member 12 and the overcap 13 are fitted to each other. The container body 11 is housed inside the operation member 12 and the overcap 13.
Hereinafter, the common axis is referred to as a container axis O, the overcap 13 side along the container axis O direction is referred to as a front side (one side), and the operation member 12 side along the container axis O direction is referred to as a rear side (the other side). ), The direction perpendicular to the container axis O is referred to as the radial direction, and the direction around the container axis O is referred to as the circumferential direction.

The container body 11 includes an inner cylinder portion 21 and an outer cylinder portion 22. The inner cylinder part 21 and the outer cylinder part 22 are arranged coaxially with the container axis O.
The inner cylinder part 21 is open toward both sides in the container axis O direction. The inner cylinder portion 21 is provided with a female screw portion 23 and flange portions 24 and 25. The female screw part 23 is formed on the inner peripheral surface of the inner cylinder part 21, and is limited to the front end part of the inner cylinder part 21. The screw thread 23 a of the female screw part 23 protrudes from the inner peripheral surface of the inner cylinder part 21, and the screw valley 23 b of the female screw part 23 is constituted by the inner peripheral surface of the inner cylinder part 21.

  The flange parts 24 and 25 protrude from the inner cylinder part 21 toward the outer side in the radial direction. The flange portions 24 and 25 are formed in an annular shape arranged coaxially with the container axis O. A plurality of flange portions 24 and 25 are provided at intervals in the container axis O direction, and two in the illustrated example. The flange portions 24 and 25 include a center flange portion 24 disposed at a center portion of the inner cylinder portion 21 in the container axis O direction, a rear flange portion 25 disposed at a rear end portion of the inner cylinder portion 21, and Is provided.

  The outer cylinder portion 22 is externally mounted on the inner cylinder portion 21 so as to be relatively rotatable in the circumferential direction. The outer cylinder portion 22 extends from the inner cylinder portion 21 toward the front side. The outer cylinder part 22 includes a front housing part 26 and a rear mounting part 27. The accommodating portion 26 is formed in a bottomed cylindrical shape, and the bottom wall portion of the accommodating portion 26 is supported from the rear by the front end portion of the inner cylindrical portion 21. The front end opening of the housing portion 26 constitutes the outlet 11 a of the container body 11. The payout opening 11a is open toward the front.

  The mounting portion 27 extends rearward from the bottom wall portion of the housing portion 26 and is externally mounted on the inner cylinder portion 21. The mounting portion 27 is externally mounted on the front portion of the inner cylinder portion 21 located on the front side of the central flange portion 24, and the rear end portion of the mounting portion 27 is supported from the rear by the central flange portion 24.

  The mounting portion 27 and the inner cylinder portion 21 are provided with a first restriction mechanism 29 that restricts the relative movement of the inner cylinder portion 21 and the outer cylinder portion 22 in the container axis O direction. The first restriction mechanism 29 is provided separately for the inner cylinder portion 21 and the outer cylinder portion 22, and engages with each other in the direction of the container axis O to thereby move the inner cylinder portion 21 and the outer cylinder portion 22 relative to each other. regulate.

  An insertion hole 28 disposed coaxially with the container axis O is formed in the bottom wall portion of the housing portion 26. The insertion hole 28 has a smaller diameter than the mounting portion 27 and penetrates the bottom wall portion in the container axis O direction. As shown in FIG. 2, the insertion hole 28 is formed in the shape of a long hole. It is formed in a rectangular shape extending in both the direction X and the second direction Y.

  The length that is the size in the first direction X of the insertion hole 28 is larger than the width that is the size in the second direction Y of the insertion hole 28. The insertion hole 28 is formed symmetrically in both the first direction X and the second direction Y in the plan view. The inner peripheral surface of the insertion hole 28 includes a pair of first side portions 28 a extending in the first direction X and a pair of second side portions 28 b extending in the second direction Y. The first side portion 28 a is formed in a linear shape extending along the first direction X. The second side portion 28 b is formed in a convex curve shape that is convex toward the outside in the first direction X.

  As shown in FIG. 1, the operation member 12 is externally mounted on the inner cylinder portion 21 and the outer cylinder portion 22. The operation member 12 is externally provided on a rear portion of the inner cylinder portion 21 located on the rear side of the central flange portion 24 and a mounting portion 27 of the outer cylinder portion 22. An annular gap is provided between the outer peripheral surface of the rear portion of the operation member 12 and the inner peripheral surface of the operation member 12. The operation member 12 is externally mounted on the outer cylinder portion 22 so as to be relatively rotatable in the circumferential direction. The front end portion of the operation member 12 supports the rear end portion of the accommodating portion 26 from the rear.

  The operation member 12 and the rear flange portion 25 are provided with a second restriction mechanism 30 that restricts relative rotation of the operation member 12 and the inner cylinder portion 21 in the circumferential direction. The second restricting mechanism 30 includes a first uneven portion provided on the inner peripheral surface of the operation member 12 and a second uneven portion provided on the outer peripheral surface of the rear flange portion 25. Each concavo-convex portion is formed by alternately arranging concave portions and convex portions in the circumferential direction. Both the concavo-convex parts regulate relative rotation between the operation member 12 and the inner cylinder part 21 by engaging the concave part and the convex part with each other.

The overcap 13 is detachably attached to the front end portion of the operation member 12. The overcap 13 covers the accommodating portion 26 from the outer side and the front side in the radial direction.
The holding member 14 is disposed in the container body 11 so as to be relatively rotatable with respect to the inner cylinder portion 21 in a state where the relative rotation with the outer cylinder portion 22 is restricted. The holding member 14 advances and retreats in the container axis O direction as the outer cylinder portion 22 rotates with respect to the inner cylinder portion 21. The holding member 14 includes a front main body 31 and a rear protrusion 32.

  The main body 31 holds the contents located in the outer cylinder portion 22 from the rear side. The contents are located in the accommodating portion 26 of the outer cylindrical portion 22, and the main body portion 31 is also located in the accommodating portion 26. The main body portion 31 is formed in a bottomed cylindrical shape, and the bottom wall portion of the main body portion 31 is supported from the rear by the bottom wall portion of the housing portion 26. In the bottom wall portion of the main body portion 31, a communication hole 31 a is formed at a position where a connection portion with the protruding portion 32 is avoided. The communication hole 31 a communicates the inside and the outside of the main body 31. The communication hole 31 a is formed in a connection portion between the bottom wall portion and the peripheral wall portion in the main body portion 31.

  As shown in FIGS. 1 to 3, the protruding portion 32 protrudes from the main body portion 31 toward the rear side. The protruding portion 32 protrudes from the bottom wall portion of the main body portion 31 toward the rear side through the insertion hole 28 and is inserted into the inner cylinder portion 21. The protrusion 32 is located inside the insertion hole 28 in the plan view, and is formed symmetrically in both the first direction X and the second direction Y.

  And in this embodiment, the protrusion part 32 is formed in the cylinder shape by which the hollow part S was provided in the inside by the protrusion piece 33 arranged in multiple numbers by the circumferential direction. In the illustrated example, the protruding portion 32 has a cylindrical shape in which both end portions in the second direction Y are cut off by a cut surface extending along the first direction X.

  The plurality of protruding pieces 33 are formed in the same shape and size. The protruding piece 33 is formed in a plate shape facing the radial direction. In the protruding piece 33, the surface facing the outer side in the radial direction is formed in a circular arc shape, and forms a curvature circle with the container axis O as the center in the plan view. A plurality of projecting pieces 33 are arranged at intervals in the circumferential direction, two in the illustrated example. The two protruding pieces 33 are opposed to each other with the container axis O sandwiched in the first direction X.

The hollow portion S is formed in a rectangular shape extending in both the first direction X and the second direction Y in the plan view.
Each rear end portion of each of the plurality of protruding pieces 33 is connected to each other via a connecting portion 34. The connecting portion 34 constitutes the rear end portion of the projecting portion 32 and is supported from the rear by the bottom wall portion of the operation member 12. The magnitude | size of the 1st direction X of the connection part 34 is gradually small as it goes to the rear side from the front side.

  As shown in FIGS. 1 to 4, the connecting portion 34 is provided with a locking projection 34 a. The locking protrusion 34a restricts further advancement of the holding member 14 when the holding member 14 advances to the advance end position. When the holding member 14 is positioned at the forward end position, the locking projection 34 a locks from the rear side to the opening peripheral edge of the insertion hole 28 in the bottom wall portion of the housing portion 26. The locking protrusions 34 a are provided so as to protrude from the pair of side surfaces facing the second direction Y in the connecting portion 34. The protruding amount of the locking protrusion 34a gradually increases from the rear side toward the front side.

  As shown in FIG. 1, a male screw portion 35 screwed into the female screw portion 23 is formed on the outer peripheral surface of the protruding portion 32. The male screw portion 35 is formed separately on the surface of the protruding piece 33 and is intermittently disposed in the circumferential direction. The screw thread 35 a of the male screw part 35 protrudes from the surface of the protruding piece 33, and the screw valley 35 b of the male screw part 35 is constituted by the surface of the protruding piece 33. The male screw portion 35 is formed over the entire length of the protruding piece 33 in the container axis O direction. The range in which the male screw portion 35 is formed in the protruding portion 32 is larger in the container axis O direction than the range in the inner cylinder portion 21 in which the female screw portion 23 is formed.

As shown in FIGS. 1 and 5, the delivery container 10 causes the holding member 14 to advance and retract in the direction of the container axis O to cause the contents to appear and disappear from the delivery opening 11 a and the contents to protrude from the delivery opening 11 a. Adjust the amount.
When using the feeding container 10, after the overcap 13 is removed, the operation member 12 and the outer cylinder portion 22 of the container body 11 are separately gripped and relatively rotated in the circumferential direction. At this time, the rotational force from the operation member 12 is transmitted to the inner cylinder portion 21 via the second restriction mechanism 30. On the other hand, the rotational force from the outer cylindrical portion 22 is such that the first side portion 28a of the insertion hole 28 as shown in FIG. 2 contacts the side surface facing the circumferential direction in the protruding piece 33 as shown in FIG. It is transmitted to the protrusion 32.

  As a result, the inner cylinder portion 21 and the holding member 14 rotate relative to each other while the male screw portion 35 and the female screw portion 23 are screwed together, so that the holding member 14 is moved in the container axis O direction within the container body 11. Advance and retreat. At this time, the protruding piece 33 is deformed inward in the radial direction while narrowing the hollow portion S, so that the male screw portion 35 and the female screw portion 23 can be prevented from being strongly pressed locally at a part along the spiral direction. The pressure contact force between the male screw part 35 and the female screw part 23 can be maintained equal regardless of the position in the spiral direction.

  As described above, according to the feeding container 10 according to the present embodiment, the pressure contact force between the male screw part 35 and the female screw part 23 can be maintained equally regardless of the position in the spiral direction, so that the outer cylinder part The magnitude of the rotational force that needs to be applied when rotating 22 relative to the inner cylinder portion 21 can be prevented from varying depending on the position of the holding member 14 in the container axis O direction. Therefore, it becomes possible to rotate the outer cylinder part 22 and the inner cylinder part 21 relatively smoothly, and operability can be improved.

  Further, since the rear end portions of each of the plurality of projecting pieces 33 are connected to each other via the connecting portion 34, the inner cylinder portion 21 and the holding member 14 screw the male screw portion 35 and the female screw portion 23 together. It is possible to restrict the plurality of projecting pieces 33 from twisting and deforming each other in the circumferential direction when rotating relatively with each other, so that the outer tube portion 22 and the inner tube portion 21 are connected to each other. It can be rotated relatively smoothly.

The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, the holding member 14 is not limited to that shown in the above-described embodiment, and may have each configuration according to the first to fifth modifications as shown in FIGS.

Differences of the holding member 40 according to the first modified example as shown in FIGS. 6 and 7 from the embodiment will be described. In the holding member 40, an elastic member 41 that is elastically deformable in the radial direction is disposed in the hollow portion S. The elastic member 41 is integrally formed of the same material as the protruding piece 33. The elastic member 41 is formed in a thin plate shape facing the second direction Y, and the thickness of the elastic member 41 is smaller than the thickness of the protruding piece 33. Both end portions of the elastic member 41 in the first direction X are respectively connected to the back surfaces of the protruding pieces 33 facing the inner side in the radial direction. The upper end portion of the elastic member 41 is spaced downward from the bottom wall portion of the main body portion 31. The lower end portion of the elastic member 41 is spaced upward from the connecting portion 34. The elastic member 41 is alternately curved on both sides in the second direction Y. The elastic member 41 has a first convex portion 42 that is convex toward one side in the second direction Y, and a second convex portion that is convex toward the other side in the second direction Y. 43 are continuously provided in the first direction X. A connecting portion between the first convex portion 42 and the second convex portion 43 is located on the container axis O.
In the holding member 40, the protruding piece 33 is elastic so as to narrow the first convex portion 42 and the second convex portion 43 in the first direction X when deforming inward in the radial direction while narrowing the hollow portion S. The member 41 is elastically deformed.

Differences of the holding member 50 according to the second modification as shown in FIGS. 8 and 9 from the first modification will be described. In this holding member 50, instead of the elastic members 41 being alternately bent in the second direction Y, a curved surface in which the central portion of the first direction X of the elastic members 41 is convex in the second direction Y. Both ends of the first direction X extend in a straight line in the first direction X.
In the holding member 50, when the protruding piece 33 is deformed inward in the radial direction while narrowing the hollow portion S, the elastic member 41 is elastically deformed so as to narrow the central portion of the elastic member 41 in the first direction X. .

Differences of the holding member 60 according to the third modification as shown in FIGS. 10 and 11 from the first modification will be described. In the holding member 60, the elastic member 41 is formed in a linear shape extending in the first direction X instead of being formed in a thin plate shape facing the second direction Y. A plurality of elastic members 41 are arranged at intervals in the container axis O direction. Both end portions of the elastic member 41 in the first direction X are individually connected to the back surface of the protruding piece 33. The elastic member 41 is formed in a V-shape that gradually extends downward from both ends in the first direction X toward the central portion, and the central portion of the elastic member 41 is convex downward. There is no.
In the holding member 60, when the protruding piece 33 is deformed inward in the radial direction while narrowing the hollow portion S, the elastic member 41 is elastically deformed so as to reduce the angle formed by the central portion of the elastic member 41.

The difference between the holding member 70 according to the fourth modification as shown in FIG. 12 and the third modification will be described. In this holding member 70, instead of the elastic member 41 being formed in a V shape extending gradually downward from both ends in the first direction X toward the center, the elastic member 41 is It curves alternately on both sides in the container axis O direction. The elastic member 41 includes a first curved portion 44 that has a curved shape that protrudes upward, and a second curved portion 45 that has a curved shape that protrudes downward. It is set up. A connecting portion between the first curved portion 44 and the second curved portion 45 is located on the container axis O.
In the holding member 70, the projecting piece 33 is elastic so that the first curved portion 44 and the second curved portion 45 are narrowed in the first direction X when the hollow portion S is deformed inward in the radial direction. The member 41 is elastically deformed.

Differences of the holding member 80 according to the fifth modification as shown in FIGS. 13 and 14 from the first modification will be described. In this holding member 80, the elastic member 41 is formed separately from the projecting piece 33, instead of being integrally formed of the same material as the projecting piece 33. The elastic member 41 is formed of, for example, a foam such as urethane, silicon rubber, or elastomer. The elastic member 41 is formed in a rod shape extending in the container axis O direction. The elastic member 41 is sandwiched between the projecting pieces 33 in the first direction X. On the back surface of the protruding piece 33, an engaging protrusion 81 with which the elastic member 41 is engaged is formed. The engaging protrusion 81 bites into both ends of the elastic member 41 in the first direction X. The engaging protrusion 81 extends over the entire length in the container axis O direction of the protruding piece 33.
In the holding member 80, when the protruding piece 33 is deformed inward in the radial direction while narrowing the hollow portion S, the elastic member 41 is elastically deformed while being compressed in the first direction X.

  In the first to fifth modifications as described above, since the elastic member 41 is disposed in the hollow portion S, the projecting piece 33 is deformed inward in the radial direction while narrowing the hollow portion S. The elastic member 41 can be elastically deformed by the protruding piece 33, and an elastic restoring force corresponding to the deformation amount of the protruding piece 33 can be applied from the elastic member 41 to the protruding piece 33. Thereby, the press-contact force between the external thread part 35 and the internal thread part 23 can be maintained further equally irrespective of the position of a spiral direction.

Moreover, in the said embodiment, while the delivery container 10 makes the holding members 14, 40, 50, 60, 70, 80 advance and retreat in the container axis O direction, the contents are brought in and out from the delivery port 11a, and from the delivery port 11a. Although the amount of protrusion of the contents is adjusted, it is not limited to this.
For example, the overcap is mounted on the housing cylinder in a state in which relative rotation is restricted, and an extrusion hole is formed in the top wall of the overcap so as to penetrate the top wall in the container axial direction. By rotating the outer cylinder part with respect to the inner cylinder part, the advance / retreat member is advanced and retracted with the overcap attached, and the high-viscosity contents are pushed against the top wall part of the overcap and extruded. You may push out to the exterior of this delivery container from a hole.
In this case, for example, when the content is pressed against the top wall portion, the communication hole is blocked to prevent the content from leaking from the inside of the main body portion of the holding member to the outside of the main body portion through the communication hole. It is possible to adopt a configuration (no communication hole is provided). Further, for example, in order to prevent the contents from leaking from the front side toward the rear side in the container body through the space between the outer peripheral surface of the main body part and the inner peripheral surface of the container part, the main body part is placed in the container part. A configuration that is slidable in the direction and is fluid-tightly fitted may be employed.

Further, the overcap 13, the operation member 12, and the connecting portion 34 may not be provided.
Furthermore, in the said embodiment, although the two protrusion pieces 33 were provided in the circumferential direction, it is not restricted to this, You may provide three or more.

  In addition, it is possible to appropriately replace the constituent elements in the embodiment with known constituent elements without departing from the spirit of the present invention, and the above-described modified examples may be appropriately combined.

DESCRIPTION OF SYMBOLS 10 Feeding container 11 Container main body 14,40,50,60,70,80 Holding member 21 Inner cylinder part 22 Outer cylinder part 23 Female thread part 31 Main body part 32 Projection part 33 Projection piece 34 Connection part 35 Male thread part 41 Elastic member O Container Shaft S Hollow part

Claims (3)

A container main body having an inner cylinder part, and an outer cylinder part that is rotatably mounted on the inner cylinder part and extends from the inner cylinder part toward one side along a container axial direction;
The container body is disposed so as to be relatively rotatable with respect to the inner cylinder part in a state in which relative rotation with the outer cylinder part is restricted, and the outer cylinder part with respect to the inner cylinder part. A holding member that advances and retracts in the container axial direction with rotation,
The holding member has a main body part for holding the contents located in the outer cylinder part from the other side along the container axial direction, and projects from the main body part toward the other side, and is inserted into the inner cylinder part A feeding container provided with a projected portion,
The protruding portion is formed in a cylindrical shape with a hollow portion provided therein by a plurality of protruding pieces arranged in the circumferential direction,
The feeding container according to claim 1, wherein a male screw part that is screwed into a female screw part formed on the inner peripheral surface of the inner cylinder part is formed on the outer peripheral surface of the protruding part. A feeding container according to claim 1, wherein
In each of the plurality of projecting pieces, each end located on the other side is connected to each other via a connecting portion. The delivery container according to claim 1 or 2,
In the hollow portion, an elastic member that is elastically deformable in a radial direction is disposed.

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