JPS63503435A - cosmetic compact latch - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] The present invention is directed to an improved cosmetic compact, particularly for containing cosmetic preparations. The present invention relates to a compact and improved latching device.

Background of the invention The compact case can store various cosmetic products such as white powder, lipstick, blusher, facial cream, etc. It was previously used to house compound drugs. The case is generally a woman's hand A small portable container configured to fit into a bag or paper bag. To the environment Complete drying, solidification, leaching and contamination of contents due to exposure to water or similar causes To prevent deterioration of cosmetic preparations, it is important to It is extremely important that the lid and base of the highly desirable. Used to hold the two halves of the compact in sealing relation in the closed position. The latching device used obviously serves as a key. Therefore, with the own technology, Many devices used as seals in known compacts are There is a tendency for the cover and base of the compact to be biased away from each other at certain positions.

In this case, the latching device applies a biasing force in holding the compact in the closed position. It must be surmountable. On the other hand, the latching device such that it is easily released by hand pressure applied by the thumb and forefinger It has to be something.

Latches and structures with varying degrees of efficiency have been described in the art. Fot Kuss U.S. Patent No. g2.442.541, Manowitz U.S. Patent No. 3.527, No. 527, Flax U.S. Pat. No. 3,441,033 and Contrilus U.S. Pat. U.S. Pat. No. 4,454,889 shows a typical example of a latch mechanism, which , has a tab that protrudes downward from the edge of the compact cover and has a recess on the underside. , the tab engages a low protrusion on the front of the base of the compact. Pascal's US special No. 2,366.009 provides for a lug that projects upwardly on the edge of a compact base. A latch with mating notches and a tab that protrudes outward from the compact cover. Teach. All of the above latching devices require the cover to be moved away from the base. the cover in a fixed closed position on the base against internally generated pressures that tend to bias it. - cannot hold.

Berger's U.S. Pat. No. 3,199,742 discloses that the entire edge opposite the hinge is Hook-shaped cross-section surrounding a correspondingly convexly curved edge of the base of the compact Compactor having a square cross-section cover that curves downward and inward to form a Indicates the The latching structure allows hand pressure applied by the thumb and index finger to is not easily releasable.

U.S. Pat. No. 3,776,245 to Hynis et al. forms a horizontal upper surface and a lower side. a latch with an outwardly projecting tab on a cover having a groove in which the #l l engages with a lip that projects on the side of the base. The top horizontal side of the tag is at the edge of the base. Aligned with the shoulder formed on the edge, simultaneously using the user's thumb and index finger of one hand Opening the latch with upward pressure on the tab and downward pressure on the shoulder configured to facilitate. However, this latch mechanism is compact. The sealing device used biases the cover away from the base of the compact. The compact cannot be held in the closed position when applying any significant pressure directed toward it. .

Each of the above-described embodiments of latching mechanisms presented by the prior art includes a tag and a protruding One or both of the surfaces that overlap with the slip facilitate easy opening of the compact. It's curved like that. Each of the embodiments has a flat surface on the body of the compact. do not show flat, mutually overlapping surfaces located in a horizontal plane.

As explained in detail below, an improved latching mechanism has now been developed, which , the sealing mechanism tends to bias the cover away from the base. Provides secure fixation in the closed position even when in use and reduces the action of the fingers and thumb of one hand. It can be released from the fixed position in a manner that is easy to use. Improvements of the invention The latches can be used with any of the many compacts traditionally used in the technology. Joint Application No. 663,566, dated October 22, 1984, now A compact combination of the type described in U.S. Pat. No. 4,586,519. Particularly suitable for In the latter compact, the cosmetic preparation is contained inside a flexible is held in a sexually attached container which, in the closed position of the compact, sealingly engaged by a lid attached to the cover and downwardly towards the base of the compact. is pressed to. In order for the compact to be held in the closed position, a latch is used The mechanism moves into place against the upward pressure exerted by the container towards the associated lid. It must be sturdy enough to hold the cover in place.

Summary of the invention An object of the present invention is to provide a structure for firmly fixing the cover and base of a cosmetic compact. It is constructed to be held in place by the twisting action of the index finger and thumb of the user's hand. To provide an improved latch mechanism that is easily releasable.

Another object of the invention is to bias the cover away from the base of the compact. The structure of a cosmetic compact is such that it is firmly fixed against the force within the compact. Provides an improved latch mechanism configured to retain cover and base That's true.

Yet another object of the invention is that both mutually overlapping surfaces used in the latch are flat. Thus, in the closed position each lies in a plane parallel to the plane of the body of the compact. An object of the present invention is to provide an improved latching mechanism for a cosmetic compact.

These and other objects of the invention will become apparent from the following description: This is achieved by the latch of the present invention. In its broadest aspect, the invention a base configured to accommodate a container of a cosmetic preparation; and a base configured to be pivotally attached to the base. a cover that is attached and holds the base and cover in sealing engagement in the closed position; by applying hand pressure exerted by the thumb and index finger of a person's hand. and a releasable latch device for containing a cosmetic preparation.

The latching device includes a latch configured to engage the horizontal underside of the compact base. The compact cover has a tab on its underside that is integrally formed with the compact cover. Ko The body of the compact cover tab protrudes downward approximately perpendicularly from the plane of the cover and extends approximately outwardly and downwardly at an angle relative to the plane of the cover within the range of 10° to approximately 75° It has a protruding end portion.

Optionally, but preferably, at least one mating tab is provided when the cover is in the closed position. When it is installed, it protrudes outward from the upper edge of the base at the position where it abuts against the vertex of the cover.

The tabs on the cover and the mating tabs on the base can be separated by placing the index finger of one hand on the mating tab. Place your thumb on the underside of the tab on the cover and make an appropriate twisting motion (right clockwise (for handed users) and counterclockwise (for left-handed users). to facilitate release of the latch by the user applying upward pressure on the tabs on the cover. Ru.

Drawing description FIG. 1 is a top plan view of a compact case according to the present invention; FIG. 2 is a plan view of the lower side of the compact case shown in FIG. Figure 6L1 This is a front elevational view of the compact case shown in Figure 1 from the left side. , 4 is a cross-sectional view taken along line 4--4 of FIG. 1, and FIG. 5 is a cross-sectional view taken along line 4--4 of FIG. It is an enlarged view of a part of sectional view.

FIG. 6 is a perspective view of a compact with a latching device according to the invention.

Detailed description of the invention The improved latching device of the present invention is incorporated into certain special cosmetic compact cases. The following is an example of the use of ``7''. However, the latch device of the present invention The base part and the pivotably mounted cover are closed by a latching device. Any cosmetic compact case known in the art that is releasably held in position It is important to understand that they can be used in combination.

Referring to FIGS. 1 and 2, these figures are in accordance with the present invention, generally indicated at 12. The upper and lower sides of the cosmetic compact, generally indicated at 10, are provided with latching devices. Plan views are shown respectively. The base 14 and cover 16 of the compact are attached to the hinge 18. Thus, they are pivotably coupled and shown in a closed position. The finger engagement tab or shoulder 20 is It is integrally formed around the upper side of the base 14 and extends from the base 14 on both sides of the latch 12. The latch 12 protrudes outward and serves to facilitate release of the latch 12, as described in detail below. Two.

FIG. 6 shows a side elevational view of latching device 12 and associated mating projection 20. FIG.

The cross-sectional view shown in FIG. 4 and the enlarged portion of the cross-sectional view shown in FIG. The structure of the device 12 is shown in detail and the same reference numerals are used throughout the above figures to indicate common elements. used for. The latch device 12 is integrally formed around the cover 16 and A tab 22 is provided that projects substantially perpendicularly downward from the plane of. Lug 24 is tab 2 2, has a flat upper surface 27 located approximately horizontally, and has a flat upper surface 27 located approximately horizontally. 27 is formed on the lower part of the front wall 30 of the base 14 in the closed position of the compact 10. the corresponding flat surface of the horizontal lower surface 26. The tab 22 is a protrusion at the end. The portion 28 includes a flat portion 28 of the base 14 and cover 16 of the compact. Extending outwardly and downwardly from the body of tab 22 in a plane forming an angle α with the surface.

The value of the angle α is one of the factors that is particularly important for the effective operation of the latching device of the present invention. Ru. Advantageously, angle α has a value ranging from 10° to about 75°, preferably It has a value of about 40° to 50°. The most preferable value of α is approximately 45° It is.

Tab 22 with associated lugs 24 and distal projections 28 and cover 16 are BS, polyacrylate, polyester, polystyrene, polyamide, cellulose It is integrally formed from an elastic resin material such as a gas-containing material.

The choice of material in any given case depends, inter alia, on the nature of the cosmetic product stored in the container. ruled by quality. Accordingly, as recognized by those skilled in the art, the above The resinous materials used to form the parts must be compatible with the cosmetic formulation. i.e., the preparation is not adversely affected by contact with or proximity to resinous materials. or the resin shall not come into contact with cosmetic preparations or any of their ingredients. Must not be adversely affected by proximity.

The tab 22 is attached to the lower surface of the latch of the base 14 and to the abutment surface 26.2 of each of the lugs 24. 7 on the outer edge of the lug 24 to allow the outer edge 3 of the lower surface 26 4 on the underside of distal projection 28 sufficiently to allow it to be pushed away from 4. pressure in an upward and outward direction that is sufficient to cause it to deflect outwardly and upwardly. It is flexible. This movement causes the latching device 12 to release and the cover 16 to open. enable release. Similarly, when bringing cover 16 back to the closed position, tab 2 2, 51 is such that the outer edge 32 of the lug 24 does not make contact with the outer edge of the base side wall 30. When the lug 24 is engaged with the lower surface 26 of the latch, the lug 24 is deflected outward. allowing it to slide downwardly on the front wall until it reaches the front wall.

An optional but preferred embodiment of the invention provides for opening latching device 12 in the manner described above. 6 and the corresponding perspective view shown in FIG. This is greatly facilitated by providing the finger-engaging shoulders 20 shown in abutting relationship. follow 3 and place the thumb of your right hand under the distal protrusion 28 of the tab 22 to the right side as shown in FIG. By placing the index finger of the same hand on the upper side of the shoulder 20 of the It is easily released from the fixed position by twisting the index finger clockwise. Compa If the user of the computer is left-handed, the index finger is placed on the upper side of the left shoulder 20.

A counterclockwise twist of the thumb and index finger releases the latch from its locked position. Ru.

The latch of the present invention remains inside the compact until the above-described steps for release have been followed. Even if the structure is such that the cover 16 is biased away from the base 14, the lug 2 4 and the lower surface 26, the cover 16 and base 14 in a tightly closed position. Compact shown in cross section in Figure 4 The internal structure of is typical of this embodiment. The container 36 for the cosmetic preparation 38 is , a side wall 40 having a first annular rim with an inverted U-shaped cross section. The container 36 has a side wall 40 to an annular support member 44. attached in a distant relationship. The support member 44 has an annular retaining member 46 that projects inwardly. It is rotated and held in place on the floor of the base 14.

The container, associated side walls, coupling members and support members may be as exemplified above. Advantageously integrally formed from an elastic resin material, the coupling member is provided with a material to improve its flexibility. Therefore, the other members also have a relatively thin cross section. Fusion of resin and cosmetic formulation Similar considerations of harmony apply here as well.

The second annular rim 48 is integrally formed on the inner surface of the cover 16 and extends downwardly from the inner surface. the annular rim 4 when the cover of the compact is moved into the closed position. The inner wall of the container 36 has a circumferential annular rim 48 with the outer surface of the side wall 40 of the container 36. 6 and the contents 38 of the container 36 are thereby sealed from contact with the environment. It will be done. Any spillage or contamination of the contents will be avoided as long as the compact remains closed. effectively prevented.

The tight fit between the lid and the container 36 formed as described above on the inside of the cover 16 is Due to the flexibility of the coupling member 42, the base 140 is connected downwardly towards the floor. The capacity of the container 36 to be moved within a limited range laterally in the plane of becomes easier. This "floating" nature of the container 36 is due to the gap in the closure of the compact, the container 3 6 is centered and brought into sealing engagement with a lid formed integrally with cover 16. make it possible to

However, as recognized by those skilled in the art, there may be The clamping fit formed in the manner described lowers the coupling member of the container in the closed position of the compact. It can be done while bending in the direction. The deflection of the member in this manner causes the member to move away from the base 14. A force is generated to urge the cover 16 so that the cover 16 is moved. The latch device of the present invention has this biasing force. Helps overcome problems and holds the cover and base in a fixed position.

The specific internal structure of the compact shown in FIG. 4 above is for illustrative purposes only. given and are not intended to be limiting. The improved latching device of the present invention particularly Other structures of a closely related nature that can be used in a suitable compact are those described in 19. Joint Application No. 663,566 dated October 22, 1984, currently U.S. Patent No. 4,586 ．． No. 519, the disclosure of which is specifically described herein for review.

The improved latching device of the cosmetic compact according to the invention is described above with reference to the drawings. exemplified by various specific examples. These examples are for illustrative purposes only. It is understood that the scope of the invention is not limited thereby. Should. Various modifications and changes may be made to the above without departing from the spirit of the invention. The structure described above can be implemented. In particular, as pointed out above, the improved The device can be attached to any computer with a base having a pivotably mounted cover. in compacts with the specific structure exemplified above. Not restricted in use.

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Claims (18)

[Claims] 1. a base configured to receive a container of a cosmetic preparation; a cover that is operatively attached and the base and cover are brought into sealing engagement when in the closed position; and a latch device configured to hold the , the cover having a lug on its underside configured to engage a horizontal lower surface of the base; a tap integrally formed on the bar, the tap being substantially perpendicular to the plane of the cover; projecting downwardly and within a range of about 10° to about 75° with respect to the plane of the cover; A compact containing a cosmetic preparation having an end portion projecting outwardly and downwardly at an angle to. 2. The compact according to claim 1, wherein the cover is in a closed position. when the at least one outwardly projecting tap abuts the tap of the latching device. a compact disposed in abutting relation to the upper edge of said base; 3. In the compact according to claim 2, the compact is arranged at an upper edge of the base. There are two outwardly projecting tabs placed on the cover, which are placed in the closed position. a compact arranged to position the tap of the latching device between the latching devices and the like; 4. The compact according to claim 1, wherein the cover and the base A compact body, each of which is integrally formed from an elastic resin material. 5. In the compact according to claim 1, the latching device has a tap configuration. When the element is activated by manual pressure applied to the underside of said outwardly projecting end portion thereof, of a resilient material such that the lugs of the base can be slidably released from the lower surface of the base. Compact formed. 6. The compact according to claim 1, wherein the lug is a book of the taps. disposed on the underside of the tape adjacent to the point where the outwardly projecting end portion of the tape fuses with the body; Compact placed. 7. The compact according to claim 1, wherein the end portion of the tap is Compactors projecting outwardly at an angle of about 40° to about 50° with respect to the plane of the cover. Kuto. 8. The compact according to claim 1, wherein: A cosmetic container is elastically attached to the base of the compact by a flexible annular member. a container attached to the base, the annular member being parallel to the plane of the base and the base; allowing movement of the container relative to the base in a direction transverse to the plane of the base; the container has a platform and a first annular rim; a lid of the container attached to a cover, the compact being secured in a closed position; when the lid is configured to sealingly engage the first annular rim of the container. It has two annular rims, which effectively protect the cosmetic preparation within the container from the environment. Compact separated. 9. It has a container for a cosmetic preparation which is resiliently attached to the interior by a flexible annular member. the annular member has a plane parallel to the plane of the base; allowing movement of the container relative to the base both in a direction transverse to the plane; , the container has a platform and a first annular rim attached thereto. a lid for the container which is attached to the container, and a cover that is pivotably attached to the base; wherein the lid is attached to the first annular rim of the container when the compact is in the closed position. a second annular rim configured to sealingly engage the base; a tab integrally formed on said cover having a lug device configured to engage a side surface; a latching device including a tap device, the tap device being latched from the plane of the cover; Projects downward approximately vertically and extends from about 10° to about 75° with respect to the plane of the cover. Contains a cosmetic preparation having an end portion projecting radially outwardly and downwardly at an angle compact. 10. The compact according to claim 9, wherein the end portion of the tap However, it is compact and projects outward and downward at an angle of about 40° to about 50°. 11. The compact according to claim 9, wherein the lug is attached to the tap. the underside of the tap adjacent to the point where the outwardly projecting end portion of the tap fuses to the main body; Compact to be placed in. 12. The compact according to claim 9, wherein each of the latching devices Each of said base and cover with associated components is made from a resilient resin material. Compact and integrated. 13. A compact according to claim 9, in which at least one finger engagement a member is engaged by the lug of the tap device in the closed position of the compact; a controller located on the rim of the base adjacent to the location of the lower surface of the latch of the base; Pact. 14. In the compact according to claim 9, a tap structure of the latch device is provided. When the component is activated by manual pressure applied to the underside of said outwardly projecting end portion thereof, a bullet capable of slidably releasing the lug from the underside of the latch of the base; Compact formed from solid material. 15. A compact according to claim 9, wherein the compact is in a closed position. When in position, the inner surface of the second annular rim is pressed against the outer surface of the first annular rim. Compact that engages by fitting. 16. The compact according to claim 15, wherein the first annular rim comprises: Compact with an inverted approximately U-shaped cross section. 17. The compact according to claim 15, wherein the second annular rim comprises: Compact with U-shaped cross section. 18. The compact according to claim 9, wherein the end portion of the tap a comparator whose outermost edge lies in the plane of the lowermost outer surface of said base; Kuto.