Delivery container

The dispensing container design with elastic pieces and engaging protrusions addresses the disengagement issue by ensuring stable, rotatable engagement and moldable protrusions, enhancing stability and ease of manufacturing.

JP2025169018APending Publication Date: 2025-11-12YOSHINO KOGYOSHO CO LTD
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Patent Information

Application Number
JP2024073966
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-11-12

AI Technical Summary

Technical Problem

Conventional dispensing containers face challenges with engaging protrusions that are easily disengaged due to mold limitations, leading to potential separation of cylindrical bodies when subjected to strong forces.

Method used

The design incorporates a sleeve with elastic pieces and engaging protrusions that allow for rotatable and non-disengageable engagement, utilizing slits and grooves to guide the inner container, ensuring sufficient engagement and moldability.

Benefits of technology

The solution enhances the engagement stability of cylindrical bodies, preventing disengagement even under strong forces, while allowing for easier mold formation of the engaging protrusions.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a technique for an engaging protruding part and an engagement protrusion rotatably and undetachably engaging in a delivery container, which causes the engaging protruding part and an engagement protrusion to more hardly be detached from each other than a conventional technique.SOLUTION: A delivery container 1A comprises: an inner tray 2 which can house a to-be-delivered object 50; a body 3; a sleeve 5 having a front-side cylindrical wall 5a, a slit 5c and an engaging claw 5d; a delivery mechanism for relatively rotating the front-side cylindrical wall 5a with respect to a rear-side cylindrical wall 3a and moving the inner tray 2 forward and backward with respect to the rear-side cylindrical wall 3a; and a case 6, having a cylindrical shape, into which the front-side cylindrical wall 5a is inserted. The engaging claw 5d comprises: an elastic piece 5e extending backward so as to expand outward in a radial direction; and an engaging protruding part 5f protruding inward from an inner peripheral surface of the elastic piece 5e. When the front-side cylindrical wall 5a is inserted to the case 6, the elastic piece 5e is brought into contact with the case 6 and elastically deformed inward in the radial direction, and the engaging protruding part 5f is rotatably and undetachably engaged with the engagement protrusion 3d.SELECTED DRAWING: Figure 1
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Description

[Technical Field]

[0001] The present invention relates to a dispensing container capable of dispensing an object to be dispensed, such as an inner container, contained therein. [Background technology]

[0002] For example, there is known a dispensing container that stores an inner container such as a pump-type discharge container or an aerosol container as the object to be dispensed, and when in use, one cylindrical body can be rotated relative to the other cylindrical body to dispense the object to be dispensed (see, for example, Patent Document 1).

[0003] The dispensing container (outer container in Patent Document 1) shown in Patent Document 1 comprises two cylindrical bodies (outer tube 20, spiral guide tube 21), and an engaging protrusion (locking groove 26) provided on the outer peripheral surface of one cylindrical body (outer tube 20) engages with an engaging protrusion (locking protrusion 27) provided on the inner peripheral surface of the other cylindrical body (spiral guide tube 21), thereby holding the other cylindrical body rotatably but incapably relative to the first cylindrical body. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2016-159939 Summary of the Invention [Problem to be solved by the invention]

[0005] This type of dispensing container is generally made of synthetic resin, and each component is usually molded using a mold. When using such a mold, the engaging protrusion on the other cylindrical body is undercut by the mold, which limits mold releasability and makes it difficult to increase the protrusion amount of the engaging protrusion. Therefore, it is difficult to increase the engagement allowance when the engaging protrusion engages with the engaging protrusion. For this reason, if the other cylindrical body is pulled with a relatively strong force, the engaging protrusion and the engaging protrusion may disengage, raising the concern that the other cylindrical body may come off the one cylindrical body.

[0006] In view of the above, an object of the present invention is to provide a technology for an engaging protrusion and an engaging projection that are rotatably and non-disengageably engaged with each other in a dispensing container, which makes disengagement more difficult than conventional techniques. [Means for solving the problem]

[0007] One of the dispensing containers of the present invention comprises a main body having a middle tray capable of containing an object to be dispensed, a rear cylindrical wall surrounding the middle tray, and an engaging protrusion provided on the outer surface of the rear cylindrical wall; a front cylindrical wall that is rotatable relative to the rear cylindrical wall about its central axis, a sleeve having a plurality of slits cut into the front cylindrical wall and an engaging pawl located between adjacent ones of the slits; a dispensing mechanism that moves the middle tray toward and away from the rear cylindrical wall when the front cylindrical wall is rotated relative to the rear cylindrical wall; and a cylindrical case into which the front cylindrical wall is inserted, the engaging pawl having an elastic piece that extends radially outward toward the rear, and an engaging protrusion that protrudes inward from the inner surface of the elastic piece, and when the front cylindrical wall is inserted into the case, the elastic piece contacts the case and elastically deforms radially inward, so that the engaging protrusion rotatably and non-disengageably engages with the engaging protrusion. [Effects of the Invention]

[0008] According to one of the dispensing containers of the present invention, when the front cylindrical wall is inserted into the case, the case is located radially outward of the elastic piece, which prevents the elastic piece from spreading radially outward, making it difficult for the engaging convex portion engaged with the engaging protrusion to disengage. Furthermore, because the elastic piece on whose inner surface the engaging convex portion is provided extends so as to spread radially outward, there are fewer restrictions on mold releasability when forming the engaging convex portion using a mold. This ensures that the engaging convex portion protrudes from the elastic piece, allowing the engaging convex portion to engage with the engaging protrusion with a sufficient engagement margin. [Brief explanation of the drawings]

[0009] [Figure 1] This is a cross-sectional side view showing a first embodiment of a dispensing container according to the present invention, in which the right side of the central axis shows the inner tray in a retracted (lowered) state, and the left side shows the inner tray in an advanced (raised) state. [Figure 2A] FIG. 2 is a plan view of the sleeve shown in FIG. [Figure 2B] 2 is a half cross-sectional view of the sleeve shown in FIG. 1 as seen from the side. [Figure 3A] 2 is a partially enlarged cross-sectional view showing the state before the front cylindrical wall is inserted into the inside of the case, regarding the engaging protrusion and the engaging convex portion shown in FIG. 1. FIG. [Figure 3B] 2 is a partially enlarged cross-sectional view showing the state after the front cylindrical wall has been inserted into the case, regarding the engaging protrusion and the engaging convex portion shown in FIG. 1. FIG. [Figure 4] A cross-sectional side view showing a second embodiment of a dispensing container according to the present invention, in which the right side of the central axis shows the inner tray in a retracted (lowered) state, and the left side shows the inner tray in an advanced (raised) state. [Figure 5A] 5 is a half cross-sectional view of the sleeve shown in FIG. 4 as seen from the side. [Figure 5B] FIG. 5 is a bottom view of the sleeve shown in FIG. 4. [Figure 6A] 5 is a partially enlarged cross-sectional view showing the state before the front cylindrical wall is inserted into the inside of the case, regarding the engaging protrusion and the engaging convex portion shown in FIG. 4. FIG. [Figure 6B]5 is a partially enlarged cross-sectional view showing the state after the front cylindrical wall has been inserted into the inside of the case, regarding the engaging protrusion and the engaging convex portion shown in FIG. 4. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0010] Hereinafter, one embodiment of the dispensing container according to the present invention will be described with reference to the drawings. In the following description, the up-down direction refers to the direction along the illustrated central axis O (the central axis of the front cylindrical wall 5a, described later), with the side on which the main body 3 is located being the "downward" side and the side on which the sleeve 5 is located being the "upward" side. Note that in this specification, the upward movement of the inner container 50, described later, may be referred to as "forward," and the downward movement of the inner container 50 may be referred to as "rearward." For this reason, in this specification, the up-down direction may also be referred to as the "front-rear direction." Furthermore, the radial direction refers to a direction perpendicular to the central axis O in a plane perpendicular to the central axis O, and the circumferential direction refers to a direction revolving around the central axis O in this plane. Note that, for convenience, this specification uses the directions shown in the drawings for description, but this does not limit the orientation of the dispensing container according to the present invention when in use.

[0011] 1 to 3B are views showing a dispensing container 1A which is a first embodiment of a dispensing container according to the present invention. Dispensing container 1A houses an inner container 50 as the object to be dispensed, and can move this forward or backward. Dispensing container 1A of this embodiment is composed of an inner tray 2, a main body 3, a rear case 4, a sleeve 5, and a front case 6. Each of the components that make up dispensing container 1A is basically formed into a shape centered on a central axis O. In this embodiment, inner tray 2, main body 3, and sleeve 5 are made of synthetic resin and are formed by molding in a mold. Rear case 4 and front case 6 are also called gold crowns and are made of thin metal.

[0012] First, we will explain inner container 50, which is an example of an object to be dispensed. Inner container 50 of this embodiment is a pump-type dispensing container, and includes a cylindrical inner container body 51 that contains the liquid inside, a pump 52 that sucks in and pressurizes the liquid contained in inner container body 51, and a head 53 that is connected to pump 52. In inner container 50, pump 52 can be driven by pressing head 53, and the liquid can be sprayed outward from a spray nozzle provided in head 53. Note that the object to be dispensed contained in dispensing container 1A is not limited to a pump-type dispensing container, and may be another type of container such as an aerosol container, or may be a rod-shaped content such as a cosmetic product or glue.

[0013] The inner tray 2 has a circular plate-shaped bottom wall 2a and a cylindrical peripheral wall 2b extending upward from the outer edge of the bottom wall 2a. The inner container 50 is accommodated in the internal space defined by the bottom wall 2a and the peripheral wall 2b. A cylindrical guide protrusion 2c protruding radially is provided on the outer peripheral surface of the peripheral wall 2b. There may be one or more guide protrusions 2c. An opening 2d is provided below the guide protrusion 2c on the peripheral wall 2b, and a retaining piece 2e is provided inside the opening 2d. One end of the retaining piece 2e is connected to the circumferential edge of the opening 2d and is elastically deformable in the radial direction from this connecting point. The elastically deformed retaining piece 2e comes into contact with the outer peripheral surface of the inner container body 51, thereby holding the inner container 50 in the inner tray 2.

[0014] The main body 3 includes a rear cylindrical wall 3a that surrounds the inner plate peripheral wall 2b of the inner plate 2. The rear cylindrical wall 3a is generally cylindrical, with the inner circumferential surfaces of the upper and lower portions of the rear cylindrical wall 3a aligned, while the outer circumferential surface of the upper portion is positioned radially inward relative to the outer circumferential surface of the lower portion (i.e., the thickness of the upper portion of the rear cylindrical wall 3a is thinner than the thickness of the lower portion). A plurality of vertically extending vertical ribs 3b are provided at intervals in the circumferential direction on the outer circumferential surface of the lower portion of the rear cylindrical wall 3a. A spiral groove 3c is provided on the upper portion of the rear cylindrical wall 3a, extending spirally from bottom to top in a direction circumferentially around the central axis O. The groove width of the spiral groove 3c is slightly larger than the outer diameter of the guide protrusion 2c, and the guide protrusion 2c is inserted into the spiral groove 3c from the radially inner side. An annular engagement protrusion 3d is provided below the spiral groove 3c in the upper part of the rear cylindrical wall 3a, protruding radially outward from the outer circumferential surface of the rear cylindrical wall 3a.

[0015] In this embodiment, the rear case 4 is shaped like a cylinder with a bottom. The rear case 4 is held by the main body 3 with the main body 3 inserted inside. In this embodiment, the rear case 4 is held to the main body 3 by adhesive, but the holding means is not limited to adhesive. For example, the rear case 4 may be held to the main body 3 by fitting.

[0016] The sleeve 5 is cylindrical overall and includes a front cylindrical wall 5a that is located forward of the lower part of the rear cylindrical wall 3a and into which the upper part of the rear cylindrical wall 3a is inserted. With the upper part of the rear cylindrical wall 3a inserted inside the front cylindrical wall 5a, the sleeve 5 is supported circumferentially rotatably relative to the main body 3. An annular inner rib 5b that protrudes radially inward is provided on the inner peripheral surface of the front cylindrical wall 5a. The lower surface of the inner rib 5b contacts the upper end of the rear cylindrical wall 3a when the dispensing container 1A is assembled as shown in FIG. 1 . The upper surface of the inner rib 5b also contacts the lower end surface of the head 53 of the inner container 50 housed in the inner tray 2.

[0017] As shown in FIGS. 2A and 2B, the sleeve 5 also has a plurality of slits 5c that cut out the front cylindrical wall 5a from bottom to top. In this embodiment, a total of four slits 5c are provided at equal intervals in the circumferential direction. The groove width of the slits 5c is slightly larger than the outer diameter of the guide protrusion 2c, and the guide protrusion 2c inserted into the spiral groove 3c is inserted into the slits 5c from the radially inner side. The guide protrusions 2c, spiral groove 3c, and slits 5c in this embodiment constitute the "feed-out mechanism" in this specification.

[0018] 2B and 3A, the engagement claws 5d extend downward and radially outward, are thinner than the front cylindrical wall 5a, and include elastic pieces 5e that are elastically deformable radially inward, and engagement protrusions 5f that protrude inward from the inner circumferential surfaces of the elastic pieces 5e.

[0019] The sleeve 5 of this embodiment is formed using a mold as described above. The mold for the sleeve 5 includes a mold portion (referred to as a first mold portion for convenience of explanation) for forming the outer peripheral surface of the front cylindrical wall 5a and a mold portion (referred to as a second mold portion for convenience of explanation) for forming the inner peripheral surface of the front cylindrical wall 5a, and these mold portions move relative to each other in a direction along the central axis O. When forming the engaging claw 5d using these mold portions, the outer peripheral surface of the engaging claw 5d is formed by the first mold portion, and the inner peripheral surface of the engaging claw 5d is formed by the second mold portion. However, if the elastic piece 5e extends along the central axis O, the engaging protrusion 5f provided on the inner peripheral surface of the elastic piece 5e is undercut by the second mold portion, which restricts mold releasability, and therefore the amount by which the engaging protrusion 5f protrudes from the inner peripheral surface of the elastic piece 5e cannot be made very large. On the other hand, the elastic pieces 5e of this embodiment extend so as to spread radially outward, and are therefore less subject to restrictions on mold releasability, making it possible to ensure the amount of protrusion of the elastic pieces 5e from the inner circumferential surface.

[0020] The front case 6 is a component that corresponds to the "case" in this specification and the like. The front case 6 includes a cylindrical case main body 6a and an annular case top wall 6b that extends radially inward from the upper end of the case main body 6a. The front case 6 is held by the sleeve 5 with the sleeve 5 inserted inside. The front case 6 of this embodiment is held by the sleeve 5 with an adhesive, similar to the rear case 4. Note that the means for holding the front case 6 to the sleeve 5 is not limited to an adhesive, and other means, such as fitting the front case 6 to the sleeve 5, may also be used.

[0021] When the sleeve 5 is inserted into the front case 6, the elastic pieces 5e of the engaging claws 5d extend radially outward. Therefore, the inner circumferential surface of the sleeve 5 comes into contact with the outer circumferential surface of the elastic pieces 5e, and the elastic pieces 5e elastically deform radially inward, as shown in FIG. 3B . This allows the engaging protrusions 5f to engage with the engaging protrusions 3d. As described above, the engaging protrusions 5f in this embodiment have a sufficient amount of protrusion from the inner circumferential surface of the elastic pieces 5e, allowing the engaging protrusions 5f to fully engage with the engaging protrusions 3d. Furthermore, when the sleeve 5 is inserted into the front case 6, the front case 6 is positioned radially outward of the elastic pieces 5e, preventing the elastic pieces 5e from spreading radially outward. In other words, when the components are assembled into the dispensing container 1A, the engaging protrusions 5f engage with the engaging protrusions 3d with sufficient engagement to be rotatable but not disengageable.

[0022] The inner container 50 contained in the dispensing container 1A configured as described above is contained inside the dispensing container 1A when the inner tray 2 has moved downward as shown on the right side of the central axis O in Figure 1. In this state, the lower end surface of the head 53 is in contact with the upper surface of the inner rib 5b, so that even if a downward pressing force is applied to the head 53, the content liquid can be prevented from being sprayed from the inner container 50.

[0023] To spray the content liquid from the inner container 50, for example, the front case 6 is rotated in the circumferential direction relative to the rear case 4 while gripping it. As a result, the inner container 50 housed in the inner tray 2 is raised by the guide protrusions 2c inserted into the spiral grooves 3c and slits 5c, and is dispensed from the dispensing container 1A as shown on the left side of the central axis O in Figure 1. Thereafter, the content liquid can be sprayed from the inner container 50 by pressing the head 53.

[0024] Furthermore, during use, even if the front case 6 is pulled with a relatively strong force, the engaging protrusion 5f engages with the engaging projection 3d with sufficient engagement, thereby preventing the sleeve 5 and front case 6 from coming off the main body 3.

[0025] After the liquid contained in the inner container 50 has been used up, the inner container 50 held by the holding pieces 2e can be removed from the dispensing container 1A by pulling the inner container 50 up relative to the dispensing container 1A. Then, a new inner container 50 can be inserted through the opening provided on the inside of the case top wall 6b and held by the inner tray 2, allowing the dispensing container 1A to be used again.

[0026] Next, dispensing container 1B, a second embodiment of the dispensing container according to the present invention, will be described with reference to Figures 4 to 6B. Dispensing container 1B houses inner container 50 as described above. Dispensing container 1B also includes inner tray 2, main body 3, rear case 4, and front case 6 as described above, and also includes sleeve 15 instead of sleeve 5.

[0027] The sleeve 15 includes a front cylindrical wall 15a, an inner rib 15b, and slits 15c, each having the same configuration as the front cylindrical wall 5a, the inner rib 5b, and the slits 5c described above. As shown in Figures 5A and 5B, a total of six slits 15c are provided at equal intervals in the circumferential direction.

[0028] The sleeve 15 also has engagement claws 15d on the circumferentially inner side of adjacent slits 15c. The sleeve 15 of this embodiment has a total of six engagement claws 15d. As shown in FIGS. 5A and 6A , the engagement claws 15d extend downward along the central axis O and include an elastic piece 15e that is elastically deformable radially inward, an engagement protrusion 15f that protrudes inward from the inner peripheral surface of the elastic piece 15e, and an outer protrusion 15g that protrudes outward from the outer peripheral surface at the lower end of the elastic piece 15e and has a triangular cross-sectional shape whose radial length increases from top to bottom. In this embodiment, a total of three outer protrusions 15g are provided at equal intervals circumferentially for each engagement claw 15d (a total of 18 for the sleeve 15). The number of outer protrusions 15g is not limited to this embodiment and can be changed as appropriate. Furthermore, the positions at which the outer protrusions 15g are provided do not have to be equally spaced circumferentially.

[0029] When assembled into dispensing container 1B, sleeve 15 holds front case 6 in a state where it is inserted inside front case 6. In this embodiment, front case 6 is also held to sleeve 15 by adhesive, but other means such as fitting may also be used.

[0030] The sleeve 15 of this embodiment is also formed using a mold as described above. The mold for the sleeve 15 includes a mold portion (referred to as a third mold portion for convenience of explanation) for forming the outer peripheral surface of the front cylindrical wall 15a and a mold portion (referred to as a fourth mold portion for convenience of explanation) for forming the inner peripheral surface of the front cylindrical wall 15a, and these mold portions move relative to each other in a direction along the central axis O. When forming the engagement claw 15d using these mold portions, the outer peripheral surface of the engagement claw 15d is formed by the third mold portion, and the inner peripheral surface of the engagement claw 15d is formed by the fourth mold portion. Note that the elastic piece 15e extends along the central axis O, and the engagement protrusion 15f provided on the inner peripheral surface of the elastic piece 15e is undercut by the fourth mold portion, which restricts mold releasability, making it difficult to make the engagement protrusion 15f protrude as much from the inner peripheral surface of the elastic piece 15e as large as the engagement protrusion 5f described above.

[0031] Meanwhile, when sleeve 15 is inserted into front case 6, because outer protrusion 15g is provided on the outer peripheral surface of elastic piece 15e, the inner peripheral surface of sleeve 15 comes into contact with the outer peripheral surface of outer protrusion 15g, and elastic piece 15e elastically deforms radially inward as shown in FIG. 6B. This increases the engagement of engaging protrusion 15f with engaging protrusion 3d, allowing engaging protrusion 15f to fully engage with engaging protrusion 3d. Furthermore, when sleeve 15 is inserted into front case 6, front case 6 is located radially outward of outer protrusion 15g, preventing elastic piece 15e from spreading radially outward. In other words, when the components are assembled into dispensing container 1B, engaging protrusion 15f engages engaging protrusion 3d with sufficient engagement to be rotatable but not disengageable. Therefore, in dispensing container 1B, even if front case 6 is pulled with a relatively strong force, the sleeve 15 and front case 6 can be prevented from coming off main body 3.

[0032] Although one embodiment of the present invention has been described above with reference to the drawings, this embodiment may be modified as follows: For example, the slits 5c, 15c in this embodiment are used to form the engaging claws 5d, 15d in the front cylindrical walls 5a, 15a and also to guide the guide protrusions 2c, which has the advantage of simplifying the structure of the sleeves 5, 15, but a vertical groove for guiding the guide protrusions 2c may be provided separately in the front cylindrical walls 5a, 15a.

[0033] In addition, in the embodiment described above as the feeding mechanism, the spiral groove 3c is provided in the main body 3, and the slits 5c and 15c as vertical grooves are provided in the sleeves 5 and 15, but it is also possible to provide the slits 5c and 15c as vertical grooves in the main body 3, and the spiral groove 3c in the sleeves 5 and 15.

[0034] (Addendum) In one aspect, the present specification discloses the following technology.

[0035] (Technology 1) an inner tray (2) capable of accommodating an object to be fed (50); a main body (3) having a rear cylindrical wall (3a) surrounding the inner tray (2) and an engaging protrusion (3d) provided on the outer peripheral surface of the rear cylindrical wall (3a); a sleeve (5) having a front cylindrical wall (5a) rotatable about a central axis (O) relative to the rear cylindrical wall (3a), a plurality of slits (5c) cutting out the front cylindrical wall (5a), and engaging claws (5d) positioned between adjacent slits (5c); a feed mechanism that moves the inner tray (2) forward and backward relative to the rear cylindrical wall (3a) when the front cylindrical wall (5a) is rotated relative to the rear cylindrical wall (3a); a cylindrical case (6) into which the front cylindrical wall (5a) is inserted, The engaging claw (5d) comprises an elastic piece (5e) extending radially outward toward the rear, and an engaging protrusion (5f) protruding inward from the inner peripheral surface of the elastic piece (5e), ​​and when the front cylindrical wall (5a) is inserted into the case (6), the elastic piece (5e) comes into contact with the case (6) and elastically deforms radially inward, so that the engaging protrusion (5f) rotatably and non-disengageably engages with the engaging protrusion (3d).

[0036] (Technology 2) an inner tray (2) capable of accommodating an object to be fed (50); a main body (3) having a rear cylindrical wall (3a) surrounding the inner tray (2) and an engaging protrusion (3d) provided on the outer peripheral surface of the rear cylindrical wall (3a); a sleeve (15) having a front cylindrical wall (15a) rotatable about a central axis (O) relative to the rear cylindrical wall (3a), a plurality of slits (15c) cutting out the front cylindrical wall (15a), and engaging claws (15d) positioned between adjacent slits (15c); a feed mechanism that moves the inner tray (2) forward and backward relative to the rear cylindrical wall (3a) when the front cylindrical wall (15a) is rotated relative to the rear cylindrical wall (3a); a cylindrical case (6) into which the front cylindrical wall (15a) is inserted, The engaging claw (15d) comprises an elastic piece (15e) extending rearward, an engaging protrusion (15f) protruding inward from the inner peripheral surface of the elastic piece (15e), and an outer protrusion (15g) protruding outward from the outer peripheral surface of the elastic piece (15e), and when the front cylindrical wall (15a) is inserted into the case (6), the outer protrusion (15g) comes into contact with the case (6) to elastically deform the elastic piece (15e) radially inward, and the engaging protrusion (15f) engages with the engaging protrusion (3d) in a rotatable and non-disengageable manner, thereby forming a dispensing container (1B).

[0037] Techniques 1 and 2 make it more difficult for the engaging protrusion to come off the engaging projection than before.

[0038] (Technology 3) The dispensing container (1A, 1B) according to Technology 1 or 2, wherein the dispensing mechanism includes a guide protrusion (2c) protruding radially outward from the inner tray (2), a spiral groove (3c) provided in the main body (3) into which the guide protrusion (2c) is inserted, and the slit (5c, 15c) into which the guide protrusion (2c) inserted into the spiral groove (3c) is inserted.

[0039] With this technique, the vertical grooves for guiding the guide protrusions used in constructing the dispensing mechanism can be constructed using slits for forming the engaging pawls, thereby simplifying the structure of the dispensing container.

[0040] Although one embodiment of the present invention has been described above, the present invention is not limited to this specific embodiment, and unless otherwise limited in the above description, various modifications and variations are possible within the spirit and scope of the present invention as defined in the claims. For example, the configurations of the above-described embodiment may be added or deleted as appropriate, and the configurations of one embodiment may be incorporated into other embodiments. Furthermore, the effects of the above-described embodiment are merely examples of the effects that can be obtained from the present invention. In other words, the effects of the present invention are not limited to the above-described effects, and additional effects may be obtained in addition to the above-described effects. [Explanation of symbols]

[0041] 1A, 1B: Feeding container 2: Medium plate 2c: Guide protrusion 3: Main unit 3a: Posterior cylindrical wall 3c: Spiral groove 3d: Engagement protrusion 5: Sleeve 5a: Front tubular wall 5c: Slit 5d: Engagement claw 5e: Elastic piece 5f: Engagement convex part 6: Front case (case) 15: Sleeve 15a: Front tubular wall 15c:Slit 15d: Engaging claw 15e: Elastic piece 15f: Engagement convex part 15g: Outer convex part 50: Inner container (object to be dispensed) O: Central axis

Claims

1. an inner tray capable of accommodating an object to be fed; a main body having a rear cylindrical wall surrounding the inner tray and an engaging protrusion provided on an outer peripheral surface of the rear cylindrical wall; a sleeve including a front cylindrical wall rotatable about a central axis relative to the rear cylindrical wall, a plurality of slits cut into the front cylindrical wall, and engaging pawls positioned between adjacent ones of the slits; a feed mechanism that moves the inner tray forward and backward relative to the rear cylindrical wall when the front cylindrical wall is rotated relative to the rear cylindrical wall; a cylindrical case into which the front cylindrical wall is inserted, The engaging claw comprises an elastic piece extending radially outward toward the rear, and an engaging protrusion protruding inward from the inner surface of the elastic piece, and when the front cylindrical wall is inserted into the case, the elastic piece comes into contact with the case and elastically deforms radially inward, causing the engaging protrusion to rotatably and non-detachably engage with the engaging protrusion.

2. an inner tray capable of accommodating an object to be fed; a main body having a rear cylindrical wall surrounding the inner tray and an engaging protrusion provided on an outer peripheral surface of the rear cylindrical wall; a sleeve including a front cylindrical wall rotatable about a central axis relative to the rear cylindrical wall, a plurality of slits cut into the front cylindrical wall, and engaging pawls positioned between adjacent ones of the slits; a feed mechanism that moves the inner tray forward and backward relative to the rear cylindrical wall when the front cylindrical wall is rotated relative to the rear cylindrical wall; a cylindrical case into which the front cylindrical wall is inserted, The engaging claw comprises an elastic piece extending toward the rear, an engaging protrusion protruding inward from the inner surface of the elastic piece, and an outer protrusion protruding outward from the outer surface of the elastic piece, and when the front cylindrical wall is inserted into the case, the outer protrusion contacts the case, elastically deforming the elastic piece radially inward, and the engaging protrusion engages with the engaging protrusion in a rotatable and non-removable manner.

3. 3. The dispensing container according to claim 1 or 2, wherein the dispensing mechanism includes a guide protrusion protruding radially outward from the inner tray, a spiral groove provided in the main body and into which the guide protrusion is inserted, and the slit into which the guide protrusion inserted into the spiral groove is inserted.

Citation Information

Patent Citations

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    JP2016159939A