|Número de publicación||US3078856 A|
|Tipo de publicación||Concesión|
|Fecha de publicación||26 Feb 1963|
|Fecha de presentación||5 Ene 1961|
|Fecha de prioridad||5 Ene 1961|
|Número de publicación||US 3078856 A, US 3078856A, US-A-3078856, US3078856 A, US3078856A|
|Inventores||Harry Bender, Norman Bender|
|Cesionario original||Harry Bender, Norman Bender|
|Exportar cita||BiBTeX, EndNote, RefMan|
|Citas de patentes (5), Citada por (52), Clasificaciones (9)|
|Enlaces externos: USPTO, Cesión de USPTO, Espacenet|
Feb. 26, 1963 H. BENDER ETAL 3,078,856 DISPOSABLE DENTAL IMPLEMENT Filed Jan. 5, 1961 United States Patent.
This invention relates generally to the field of mm professionaldental cleaning implements, and more particularly to an improved form of device which may be carried on the person of user for onetime usage and subsequent disposal.
It is known in the art to employ sharpened pieces of wood or plastic of generally elongated configuration which are insertable in the interstices between the teeth of the user for the purpose of removing food particles and the like, and to impregnate such devices with chemical solutions upon contact with the moisture normally present in the mouth of the user. Such devices, while useful to a degree, possess no utility as far as cleaning the surfaces of the teeth as distinguished from the interstices between the teeth in which the particles of food and other matter may become lodged.
For many persons, it is difiicult to clean the teeth during the course of the day, or after meals, owing to the lack of facilities, and the inconvenience of carrying a toothbrush on the person in sanitary condition. For many of these persons, the desirability of cleaning the teeth more than once or twice a day is substantial.
It is therefore among the principal objects of the present invention to provide an improved dental cleaning implement of a disposable type which may eifectively clean the exposed surf-aces of the teeth without use of water, tooth paste, powder or other abrasive material.
Another object of the invention lies in the provision of an improved dental cleaning implement of the class described which may provide an antiseptic action capable of combatting odors originating in the mouth, and incorporating structure therein for cleaning crevices between the teeth as well as both the inner and outer surfaces thereof.
Still another object of the invention lies in the provision of an improved dental cleaning implement of disposable character, in which the cost of fabrication may be of a reasonably low order, with consequent wide sale, distribution and use.
A feature of the invention lies in the provision of a porous spongy cleaning member adapted to frictionally remove and partially absorb accumulated dental debris.
These objects and features, as well as other incidental ends and advantages, will more fully appear in the progress of the following disclosure, and be pointed out in the appended claims.
In the drawing, to which reference will be made in the specification, similar reference characters have been employed to designate corresponding parts throughout the several views.
FIGURE 1 is a side elevational view of an embodiment of the invention.
FIGURE 2 is atop plan view thereof.
FIGURE 3 is a vertical longitudinal sectional view as seen from the plane 3--3 in FIGURE 2.
FIGURE 4 is a similar sectional view, showing a second embodiment of the invention.
FIGURE 5 is a top perspective view of the second embodiment.
FIGURE 6 is a fragmentary enlarged view in perspective showing a method of using the device.
FIGURE 7 is an elevational view corresponding to the view seen in FIGURE 6.
In accordance with the invention, the first embodiment thereof, generally indicated by reference character 10,
comprises broadly a shaft member 11 and a cylindrical resilient member 12.
The shaft member 11 is approximately from 2 to 3 inches in length, and may be formed of wood, synthetic resinous materials or metal. At least one of the end portions 15 and 16 is sharpened to a reduced diameter as contrasted with the generally central-1y disposed portion 14. The resilient member 15 is preferably formed from synthetic resinous foam, although natural foam rubber may also'be used. Preferred materials include polyurethane and vinyl type materials which are extremely light in weight and of generally uniform porosity. Of generally cylindrical configuration, the member 12 includes an outer cylindrical surface 19, a lower planar surface 20 and an upper planar surface 21. A central bore 22 may be formed by pushing the member 12 upon the member 11, the member 12 being secured thereupon by a suitable cementi-tious material 23.
Referring to FIGURES 6 and 7, it will be observed that the device may be used in a manner analogous to that employed in utilizing a toothpick, wherein the device 10 is positioned at the interstice 27 of a pair of adjoining teeth 25 and 26. An upward and downward movement will serve not only to engage the pointed end 15 within the inte-rstice 27, but the upper planar surface 21 would also be caused thereby to move over the adjacent surfaces of the teeth 25 and 26 wherein the same may frictionally engage and remove foreign material in a manner similar to that of a toothbrush. Slightly varied motion can then be applied to exercise the gum areas around the teeth. When holding the shaft member 11 between the thumb and forefinger, and applying the same to an outer or inner tooth surface, generally indicated by reference character 30, a twisting or rolling motion may be produced which will rotate the cylindrical or planar surfaces of the device to produce a scrubbing effect. By virtue of the high porosity of the resilient member 12, much of the foreign matter will flow inwardly from the surface of the resilient member, permitting a large amount of such debris to be collected upon a single device.
If desired, a plurality of devices 10 may be packaged in a single container, or individual sanitary containers may be provided for each device, whereby a relatively small number of the same may be carried by the user.
Turning now to the second embodiment of the invention as shown in FIGURES 4 and 5, parts corresponding to those of the principal embodiment have been designated by similar reference characters with the additional prefix 1.
The second embodiment of the invention differs from the first embodiment thereof in the provision of a hard non-porous rubber tip 40 which is fitted over the end portion to be cementitiously fixed thereupon. The cylindrical resilient member 112 is in turn fixed upon the member 40, whereby the sharpened point 4-1 of the member 40 may be utilized as a gum exerciser as well as a toothpick.
It may thus be seen that we have invented novel and highly useful improvements in disposable dental instruments, whereby a user may be in a position to clean his teeth without the assistance of water or a den-trifice. Where desired, the foam member supported by the shaft member may be impregnated with a suitable well known antiseptic (not shown) liberated upon contact with the moisture normally present in the mouth of the user. If desired, the antiseptic may include an odor inhibiting agent as well.
We wish it to be understood that we do not consider the invention limited to the precise details of structure shown and set forth in this specification, for obvious a modifications will occur to those skilled in the art to which the invention pertains.
1. In a disposable dental implement, an elongated shaft member having at least one pointed end thereon, a synthetic resinous highly porous resilient member of arcuate cylindrical configuration having a principal axis and a first arcuate cylindrical surface eo-axially disposed with respect to said axis, and an outer substantially planar surface disposed perpendicularly with respect to said axis, said synthetic resinous member being pierced by said shaft member to be disposed coaxially upon said shaft member, said pointed end projecting outwardly from said planar surface and maintained upon said shaft member by resilient contractile action.
2. Structure as set forth in claim 1, further characterized in the provision of a non-porous resilient tip member disposed upon the projecting end of said shaft member.
References Cited in the file of this patent UNITED STATES PATENTS 106,773 Blake Aug. 30, 1870 982,232 Bartholomew Jan. 24, 1911 1,746,591 Heymann et a1 Feb. 11, 1930 2,527,857 Strachan Oct. 31, 1950 2,667,655 Halford Feb. 2, 1954
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