A bar of soap is a universal skin cleaning material. As it is being used, a portion of it will enter a goopy or liquid phase. After it has been used, a user typically puts the bar of soap back in a soap dish or shower shelf provided for the purpose. Some of the liquified portion will coat the interior of the dish or surface of the shower nook, building up an unusable mess which later must be cleaned off of each surface the softened bar contacted.
Wire frame soap holders or trays are known, which support the soap bar such that most of the undersurface of the soap bar is not contacted. However, these wire frame devices allow water and goop to drip off of the soap bar in an unrestricted fashion. A need therefore continues to persist for a soap holder that will permit virtually all of the surface of the soap bar to dry after use, but which will contain or restrict drippings off of the bar until this happens.
According to one aspect of the invention, a soap holder is provided that has a base with a general top surface. A hollow pedestal upwardly extends from the general top surface and is formed around a vertical axis. The outer surface of the pedestal is curved and endless. An inner surface of the pedestal also is curved and endless, and defines a pedestal interior. The outer and inner surfaces of the pedestal meet at a top end of the pedestal by way of an upwardly convexly curved transition. A maximum length of the top end, as measured in a horizontal direction, is many times smaller than either the length or the width of the general top surface of the base. A curved transition, with a minimum curve radius of at least about 0.25 inch, joins the outer surface of the pedestal to the general top surface of the base. At least one air hole opens onto the interior of the pedestal and is located below the pedestal top end.
In one embodiment, at least three feet extend below a bottom surface of the base to space that bottom surface from a holder support surface, such as a shower stall nook or kitchen counter. The feet each have a lower end that is downwardly convexly curved or terminates in an approximate point, so as to present a substantially single-point or single-line locus of contact to the holder support surface.
One embodiment of the holder is provided for a dry environment such as a kitchen counter or a vanity top. In this embodiment, a peripheral lip upwardly extends from the general top surface of the base. The lip is located at an outer margin of the base general top surface. One or more air holes are made through the pedestal wall so as to communicate the pedestal interior to ambient air. In one embodiment, these air holes take the form of slots which downwardly extend from the top end of the pedestal. The slots are at least % inch wide so as to allow their easy cleaning. In this kitchen/vanity embodiment, the bottom of the pedestal interior is closed.
Another embodiment of the holder is provided for a wet environment such as near a bath or in a shower. In this embodiment, the general top surface of the base is upwardly convexly curved, or downwardly and outwardly sloped, so as to shed water, soap and other particulate matter. The air hole is made in the bottom of the pedestal, so as to allow any contents accumulated in the pedestal interior to drain.
In use, a soap bar is placed on the top end of the pedestal, where it is contacted only by a thin ring or locus of the pedestal. Outside of this ring, the exterior surface of the soap bar is exposed to drying air. Inside of this ring, the exterior surface of the soap bar is exposed to drying air that enters the pedestal interior by way of the one or more air holes.
Prior to drying, any drips from the soap bar will be caught either by the interior of the pedestal or by the general top surface of the base. In the kitchen/vanity embodiment, such drippings are contained by the peripheral lip of the base or in the closed bottom end of the pedestal, from where they may be later easily cleaned. In the bath/shower embodiment, such drippings as are caught in the pedestal interior are passed through to below the base, while drippings impinging on the general top surface will be shed because the general top surface is convex.
In one embodiment, the dimensions of certain curved transitions and other features of the soap holder are selected such that the holder may be easily cleaned by a human finger or other blunt instrument. This is why the bottom of the pedestal interior in one kitchen/vanity embodiment is concavely curved and why there is a large curved transition between the outer surface of the pedestal and the general top surface of the base. In the kitchen/vanity embodiment, the preferred slots are large enough to admit a human finger, and are concavely curved at their bottom ends for optimum cleaning. In another kitchen/vanity embodiment, the center of the bottom of the pedestal interior is upwardly convex, and the pedestal slots extend down to the floor, so as to encourage liquified soap to exit the pedestal interior.
Further aspects of the invention and their advantages can be discerned in the following detailed description as read in conjunction with the drawings of exemplary embodiments, in which like characters denote like parts and in which:
A first embodiment of the invention is shown generally at 100 in
In the illustrated embodiment, an outer surface 202 of a pedestal sidewall 204 is formed as a surface of rotation around axis X1. Similarly, an inner surface 206 of pedestal sidewall 204 is formed as a surface of rotation around axis X1. In the illustrated embodiment, these surfaces are substantially cylindrical, although not completely so; preferably they have a small angle of draft for the purpose of moldability.
The pedestal 200 could instead take other shapes, such that the surfaces 202, 206 of its sidewall would no longer be surfaces of rotation around axis X1. For example, pedestal 200 could have an oval or elliptical cross section. It is preferred, however, that the surfaces 202, 206 be endlessly curved in cross section, so as to present no abrupt corners.
A junction 208 between pedestal outer surface 202 and general top surface 104 takes the form of an endless concave curved transition, with a minimum radius R1 (see
The pedestal outer surface 202 extends from junction 208 upwardly until it meets upwardly convex top end 210. Top end 210 is a curved transition between outer surface 202 and inner surface 206. The top end 210 has an upper limit or locus 212 that in this illustrated embodiment is a circle, of a single line in width, and which is broken in two places. Upper limit or locus 212 should reside in a horizontal plane.
The inner surface 206 helps define a pedestal interior 214. At least one airhole, and in this embodiment two such airholes 216 and 218 in the form of slots, extend from the pedestal interior to the exterior. Slots 216 and 218 are disposed below top end 210. Slot 216 and 218 are open at the top and terminate at their bottoms in respective curves 220, 222 (curve 222 is seen in
In this embodiment, the general top surface 104 of the base 102 has a perimeter 224 at which upwardly extends a peripheral lip 226. The lip 226 is designed to contain any drippings from a soap bar which may collect on the surface 104. Also located at or near the perimeter 224 are at least three, and in the illustrated embodiment four, feet 228 that elevate the base 102 above any flat surface on which the soap holder 100 is placed. The feet 228 are spaced apart from each other, and from axis X1, so as provide stability to the holder 100 as it rests on the support surface.
As seen in
In the embodiment shown in
The overall proportions of the soap holder 100 are best seen in
The length L1 is chosen to be comfortably larger than a length of a new bar of soap it is meant to support. The length L2 is selected such that the soap bar will be supported by one or more curved line segments that have many points widely spaced from each other and from axis X1. The wider dimension L2 is, the more resistance there will be to the soap bar tipping off of the pedestal 200. On the other hand, L2 should not be so wide that a partially used, but still usable, soap bar cannot rest across locus 212.
Upper limit or locus 212 is located at a height H1 above the top general surface 104 of the base 102. When a person grasps a soap bar, he or she usually does not grab it by the fingertips, but rather by more proximal points of the thumb and fingers. Therefore, when a user is placing a bar of soap on pedestal 200, his or her thumb and fingers will have a tendency to extend below locus 212. Height H1 should be selected so that the user has a measure of “finger relief” when placing or taking up the soap bar. Height H1 should therefore be at least % inch (1.9 cm) and in the illustrated embodiment is about 1 inch (2.5 cm).
The width of airholes or slots 216, 218 is selected to make them easy to clean. In the illustrated embodiment the slots 216, 218 taper somewhat from locus 212 to curved slot bottoms 220, 222. A width 502 of the curved slot bottoms 220, 222 may be about ½ inch (1.2 cm) and may be chosen to be larger than this.
A minimum radius R1 of sidewall/base junction 208 should be chosen so that the junction 208 may be easily cleaned by a finger or like implement, and should be at least about ¼ inch (0.6 cm).
In the embodiment illustrated in
A bottom surface 508 of the bottom 504 is continuous with and a part of the bottom surface 230 of the base 102. Lower surfaces 230, 508 are elevated well above support surface 232 by feet 228.
In
A pedestal 708 upwardly extends from surface 704 to a top end 710. A sidewall 712 of the pedestal has an outer surface 714 and an inner surface 716, which meet at top end 710 by way of an upwardly convexly curved transition. An upper limit or locus 718, in the illustrated embodiment, is circular and uninterrupted, and presents a thin-line locus or line of contact on which the soap bar (not shown) rests. Locus 718 is disposed in a horizontal plane.
Outer surface 714 is joined at its lower end to surface 704 by means of a junction 720, which should be an upwardly concave curved transition and preferably is endless. Outer surface 714, inner surface 716 and junction 720 may all be formed as surfaces of rotation around a vertical axis X2, although other curved surfaces may be employed instead. In any event surfaces 714, 716 and 720 should be smoothly curved so as to avoid sharp corners. At least three, and in the illustrated embodiment four, feet 722 elevate the base 702 above a support surface. The feet 722 are disposed at or near the periphery 706 so as to be spaced apart from each other and from axis X2.
In this illustrated embodiment, surface 704 is convex, or downwardly and outwardly sloped, only in a front-to rear direction, as is shown in
In the embodiment shown in
In this embodiment, drippings from the soap bar simply pass completely through the pedestal interior 724 to be deposited on the support surface. This is an appropriate disposition in a wet environment such as a shower stall. No attempt is made to retain such drippings, and instead the structure is modified to shed such drippings off or through the holder 700 and minimize their accumulation on the surfaces of holder 700.
In
Most of the dimensions and proportions of soap holder 700 are similar to those given for soap holder 100. In
A soap bar (not shown, but similar to bar 600 in
In holder 1300, the slots 1302, 1304 do not end in bottom curves but instead have bottoms 1306, 1308 that have elevations slightly higher than that of the neighboring areas of general top surface 1310, to which the bottoms 1306, 1308 transition. As best seen in the sectional views of
In this embodiment, there are provided four feet 1312 at the corners of the holder 1300. The feet 1312 are similar in shape to feet 722 of the second embodiment.
In summary, soap holders have been shown and described which permit the soap bar to completely dry between uses by exposing most of the soap bar surface to ambient air. While illustrated embodiments of the present invention have been described and illustrated in the appended drawings, the present invention is not limited thereto but only by the scope and spirit of the appended claims.
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Number | Date | Country | |
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20220395143 A1 | Dec 2022 | US |