HU0400336A2 - Toothbrush cover - Google Patents

Toothbrush cover Download PDF

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Publication number
HU0400336A2
HU0400336A2 HU0400336A HU0400336A HU0400336A2 HU 0400336 A2 HU0400336 A2 HU 0400336A2 HU 0400336 A HU0400336 A HU 0400336A HU 0400336 A HU0400336 A HU 0400336A HU 0400336 A2 HU0400336 A2 HU 0400336A2
Authority
HU
Hungary
Prior art keywords
cover sheet
handle
characterized
toothbrush
cover
Prior art date
Application number
HU0400336A
Other languages
Hungarian (hu)
Inventor
Richard Huw Davies
Anna Maini
Luca Neri
Original Assignee
Unilever Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP01305693 priority Critical
Application filed by Unilever Nv filed Critical Unilever Nv
Priority to PCT/EP2002/005757 priority patent/WO2003003940A1/en
Publication of HU0400336A2 publication Critical patent/HU0400336A2/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16Power-driven cleaning or polishing devices
    • A61C17/22Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/225Handles or details thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16Power-driven cleaning or polishing devices
    • A61C17/22Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08Machine parts specially adapted for dentistry
    • A61C1/16Protecting caps for hand-pieces or angle-pieces

Abstract

Field of the Invention The present invention relates to a cover sheet for a motor-driven toothbrush, wherein the cover sheet can be fixed firmly and removably to the handle, and the toothbrush is provided with an actuator switch. It is an essential aspect of the invention that the toothbrush can be used when the cover sheet is in place and the actuator switch is independent of the cover sheet. HE

Description

COPIES

EXTRACTS 7

The present invention relates to a cover plate motor driven toothbrush, wherein the cover sheet 10 can be fixed firmly and removably to the handle and the toothbrush is provided with an actuator switch.

The essence of the invention is that the toothbrush can be used when the cover sheet is in place and the actuator switch is independent of the cover sheet.

Figure 1 / ->

DISCLOSURE

COPIES

FOOTBRIDGE WIPER

The present invention relates to electric toothbrushes. More particularly, the present invention relates to a functional cover sheet which is removably attached to the handle of these brushes.

Motor-driven toothbrushes typically include a shaft-mounted engine and an energy source, and a switch for motor control. The engine drives the brush head with a drive shaft or vibrates on the toothbrush head. As regards the operation of the electric motor, the power source may be a mains current, a rechargeable power supply, or disposable batteries. These types of electric toothbrushes are widespread and commercially available.

However, there are many problems with the current electric toothbrushes.

Many customers want to harmonize the color tones in their bathroom and want a toothbrush that has a shade of color matching the equipment. However, while in the case of manual toothbrushes, the customer can choose between shapes and colors, a wide range of colorful electric toothbrushes would be unacceptably expensive and would be wasteful from the manufacturer's point of view as fashion dictates a regular change of hues. It is also common that what is popular at one moment is far from being in a few months. For example, a child would like a blue toothbrush in one minute and a few months later in red. If a child uses an electric toothbrush, it would be too expensive to buy another electric toothbrush just because the child is bored with the old one and wants another color.

Another advantage is that the same product may have different forms of appearance, since a family may consist of several individuals who want to use a similar type of electric toothbrush. It would therefore be advantageous if everyone could buy a product of different colors in order not to exchange their toothbrushes. Accordingly, it is the manufacturer who has a wide variety of format products

File number: 99785-2227C CM / Ho • · · · ι Λ • ♦ ** "* • ·· can offer to customers attracted to the various layers, much more profit, because different people have different needs.

The present invention provides an advantageous opportunity for toothbrush users to easily replace the toothbrush cover when they feel the need. Accordingly, if the customer wishes to use different color shades for aesthetic purposes or for practical reasons, it can be easily accomplished by simply removing the currently used cover sheet and replacing it with another cover sheet having the desired properties.

Electric toothbrushes are usually stored in their mouths, so that after the brush is used, the liquid flows down to the handle, which leads to deposits and necessitates regular cleaning of the handle. This means that the handle is usually made of glossy, non-adhesive plastic that is easy to clean but difficult to grasp.

If more people are using the same bathroom, for reasons of hygiene, it is necessary to be able to distinguish which of their toothbrushes is. Some toothbrushes are labeled with a colored ring on the brush drive shaft, but these markings may easily disappear as a result of the white toothpaste deposits.

GB 2,012,576. U.S. Pat. No. 4,196,196 discloses a motor-driven toothbrush having a gripping element mounted on the motor housing. This gripping element acts as a movable switch that initiates the movement and movement of the brush head.

to stop it. In contrast to the present invention, this gripping element cannot be disassembled by the toothbrush user. A further disadvantage of the aforementioned patent is the possibility of toothpaste and other deposits, e.g. microbial contamination, which is created by negligence or accidental movement between moving parts. This can happen as the handle moves between its two farthest positions, creating gaps between the handle and the motor housing. For similar reasons, there is also the possibility of pinching the fingers between the moving parts. The object of the present invention is to eliminate all these problems by creating a cover sheet that can be easily removed and thus • * · · * ·

Ί · The toothbrush user can clean both the cover page and the handle separately. This procedure eliminates the need to clean areas that are difficult to access between moving parts, as described in GB 2,012,576. toothbrush described in U.S. Pat. The cover sheet according to the invention is firmly attached to the handle so that it does not move during use in such a way as to cause the fingers to be pinched or dirty.

U.S. Pat. No. 5,309,591. [0003] The patent describes a protective cover sheet for such electric toothbrushes, which prevents the toothbrush from engaging during transport. However, this solution also requires that the cover be removed before using the toothbrush.

The present invention overcomes the problems described in the prior art by developing a cover sheet covering the toothbrush of the electric toothbrush with which the user can firmly but removably fix the cover sheet to the handle and in which the toothbrush can be used with the cover sheet.

The toothbrush must be suitable for use even when the cover is in place. As the invention relates to electric toothbrushes, it means that the cover sheet can be attached to the toothbrush and not be removed even if the toothbrush is to be switched on. Thus, the cover sheet is placed on the handle and may remain there for the entire life of the toothbrush or until another cover sheet is replaced. This solution is thus substantially different from the prior art device, where the cover sheet has to be removed to activate the toothbrush, but which cover sheet can theoretically be replaced after the brush is turned on and then used during brushing.

Further features and advantages of the present invention will now be described in detail with reference to the accompanying drawings, where

Fig. 1a is a plan view of a first embodiment of a toothbrush according to the invention;

I * e *

Ί ·

Fig. 1b is a perspective view of a cover covering the toothbrush of Fig. 1a of the present invention;

1c is a perspective view of another embodiment of the cover sheet according to the invention;

Figure 2 is a top plan view of a cover sheet and handle according to the invention, a

Figure 3 shows an end of another embodiment of the cover sheet according to the invention, a

Figure 4 is a perspective view of a further embodiment of the cover sheet according to the invention

Figure 5 is a top plan view of a further embodiment of the cover sheet according to the invention, a

Figure 6 shows another embodiment of the cover sheet according to the invention.

The cover sheet can be produced relatively simply, by injection molding, in a variety of colors, at a much lower cost than the injection molding of a complex handle. Since the cover sheet can be removed and thus thoroughly cleaned, it can also be made of elastomeric or adhesive plastics, or can be provided with various protrusions, if necessary, to make it easier to grip the handle during use. This kind of thorough cleaning, without displacing the cover sheet, would result in water entering undesirable places that would damage the moving parts of the electric toothbrush. The cover may also have a large surface that makes the toothbrush recognizable to its owner.

Whatever the shape and shape of the toothbrush cover, however, it is always possible to use a toothbrush even when the cover is attached to the handle. The element that allows the switch to operate even when the cover page is in place can have any physical appearance. For example, it may be provided in the form of an opening on the cover sheet so that the switch on the handle can be operated. This element may also be a thinning formed on the cover sheet, which is deformed in the cover part of the switch so as to allow the switch to operate. Typically, such a thinned portion is made of a resilient material, e.g. rubber or elastomeric material, or a thin portion of the material of the cover itself.

»*

· -ι

The electric toothbrush handle typically includes a motor housing and is generally stretched and conically shaped to form a flat base that allows the toothbrush to stand upward on its base, and has a drive connector that is attached to the brush head at the far end. end.

The cover sheet according to the invention must cover at least a portion of the toothbrush handle so that the outer appearance of the handle can be changed due to the outer surface of the cover sheet. For example, the toothbrush handle can be completely white (electric toothbrushes are also known as "white goods" from a commercial point of view) and the cover sheet is properly shaped to provide a distinctive look to the toothbrush. The cover sheet may have some geometric shape, e.g. star or square, or many other, as long as it is removably removable from the electric toothbrush handle. Preferably, the cover sheet is of decisive importance for the toothbrush handle, i.e. covering at least a portion of the outer surface of said handle.

In principle, the cover sheet according to the invention can be attached to any electric toothbrush provided that it can be attached to it. For example, the cover sheet may be formed in the form of a fastening strap which surrounds the longitudinal portion of the toothbrush. In this way, it is possible to distinguish one user's toothbrush from another toothbrush, e.g. by color.

Advantageously, the cover sheet and the handle are connected in such a way that the cover sheet is fixed to the handle in a fixed position. Furthermore, the cover sheet and handle also include cooperating closures to make the cover sheet secure to the handle much more secure. Such matching closures may be e.g. snap fit or snap fit or any other soluble fastening mechanism. The handle, typically, comprises elements that facilitate such an attachment, for example, the handle may include a longitudinal groove that allows the cover sheet to be fastened with a matching clip. The handle may also have a very specific design that fits a special type of cover sheet. For example, the handle may be incomplete without the need to attach a cover sheet to include a recess in the handle to which the appropriate cover sheet must be attached, which can of course be replaced at any time.

The cover sheet can be formed from a plurality of portions, which then cooperate with each other after attachment to the handle.

The cover sheet is usually made of any material used in the toothbrush industry, e.g. polypropylene and polyacrylonitrile, just mentioning these two. Preferably, it is made of the same material as the handle of the electric toothbrush, although other materials may be used to provide better grip during use when the toothbrush is wet. If an elastomeric material is used, a softer material is desired. Preferably, the material of the cover sheet is made of polypropylene material supplemented with an elastomeric material to provide better grip during use.

The cover sheet according to the invention is attached to the electric toothbrush handle so that the latter can be moved even when the cover sheet is on it. This is in contrast to the devices mentioned in the prior art, which cannot be started when the cover sheet is on them.

This object can be achieved by forming a cover sheet having a structure that includes a window allowing the push button on the handle to be pressed. Alternatively, this object can also be achieved by forming a cover sheet that does not cover the starter button or covers only the area around the handle.

This window on the cover sheet may actually be a blind window, which means that there is no actual opening or gap on the cover sheet, but rather a more flexible region through which the switch is actuated.

The cover sheet according to the invention may also be used to carry information about any other commercial product. For example, a cover page may carry a trademark of a special commercial product, while another, otherwise identical cover sheet may carry another trademark or contain instructions for use. you * · »· Λ ·.

4. .-. * '**

Ί In different languages, even if the toothbrush is the same. In this way, a single toothbrush can be produced without having to combine different market demands in the production chain.

Embodiments of the present invention are now illustrated by the accompanying drawings, in which: 1-6. Figs.

Fig. 1a shows an upper protective cover 1a and a lower protective cover 1b, which can be reversibly attached to the handle 2 of an electric toothbrush.

The upper protective cover 1a is a short, longitudinal cover covering only the base portion A of the toothbrush 2. In any case, it allows one toothbrush to be distinguished from another that has a different cover sheet or the cover sheet is similar but has a different color.

The lower protective cover 1b is another cover and covers part B of the toothbrush 2, which also includes an actuator 3 switch. The lower protective cover 1b can thus be attached to the handle 2 and with an opening 4 corresponding to the size of the switch 3, the toothbrush can be activated while the cover sheet is attached.

Both upper 1a and lower shell 1b are fastened to the handle 2 by flexible engagement so as to be pivotable and telescopic to the handle.

Figure 2 shows the toothbrush 2 handle with an actuator 3 and a cover sheet 1c that may slip in a region of the outer surface of the handle 2, forming a groove 8 that corresponds to the dimensions of the cover sheet 1c such that the cover sheet 1c and the handle 2 are sloped; forms a recessed surface relative to each other. In this case, the cover sheet 1c is attached to each other by means of interlocking fasteners 5 in the form of pins and 6 recesses.

Figure 3 shows the end of the cover sheet formed of two contacting portions that engage when the cover sheet is attached to the handle and separates when the cover is removed from the handle. The two parts are connected by a 7 ** »hinge, and the fastening element may be any fastening element known in the art, but in this case it is formed in the form of a flap 8.

The cover sheet of the invention shown in Figure 4 is in the form of an elastic hose which can be pulled through the toothbrush handle. The hose can of course be provided with different graphics or painted in different colors. In this embodiment, the hose is made of any suitable elastic material such as e.g. of elastomeric material. This cover sheet specifically includes gripping elements 9, such as e.g. a roughened surface, or regular or irregular protrusions, etc., for better grip during use, and a recess 10 in accordance with an actuator switch on the toothbrush handle.

Figure 5 shows a cover sheet 1a that covers a substantial portion of the toothbrush handle and also covers a substantial portion of the area around the handle on the handle. Includes an inwardly extending curved cutout 11 having the same shape as the actuating button.

Fig. 6 shows a cover sheet 1f formed in the form of a distorted star shape and which is releasably attached to the toothbrush handle. This cover sheet includes fixing elements in the form of pins 12 which engage the respective recesses 13 on the handle. Other suitable fastening elements may be e.g. with the snap mechanism, the magnet or the closure or the spike.

• · · · · · · · · · · ··· ·

Claims (10)

  1. PATIENT INDIVIDUAL POINTS
    A cover sheet, which can be attached to a motor-driven toothbrush, and the cover sheet can be fixed firmly and removably to the handle by the toothbrush user, characterized in that the toothbrush can be used in the condition of the cover sheet.
  2. Cover panel according to claim 1, characterized in that the cover sheet and the handle are provided with interlocking fastening elements in order to hold the cover sheet firmly on the toothbrush handle.
  3. Cover panel according to claim 1, characterized in that the cover sheet is formed of at least two interlocking portions.
  4. 4. Referring to 1-3. Cover panel according to one of Claims 1 to 3, characterized in that the cover sheet is made of hard plastic.
  5. A cover sheet according to claim 1, characterized in that the cover sheet is made of an elastomeric material.
  6. 6. Cover panel according to one of Claims 1 to 3, characterized in that the cover sheet is provided with an element enabling the handle on the handle to operate in the position when the cover sheet is attached to the handle.
  7. Cover panel according to claim 6, characterized in that the element enabling the operation of the switching button is an opening on the cover sheet.
  8. 8. Referring to Figures 1-7. Cover panel according to one of Claims 1 to 3, characterized in that the cover sheet is provided with an outer surface which facilitates better grip of the toothbrush handle.
  9. 9. Cover sheet according to one of Claims 1 to 4, characterized in that a specific communication is applied to the cover sheet.
  10. 10.An 1-9 Cover sheet according to one of Claims 1 to 3, characterized in that the cover sheet gives a variable color, pattern and shape to the electric toothbrush.
    VALIDITY PURPOSE POINTS WISHED
    1. Cover sheet with motor driven toothbrush handle, where the cover sheet can be fixed firmly and removably to the handle, and the toothbrush is provided with an actuator, characterized in that the toothbrush can be used when the cover sheet is in place and the actuator switch is independent of the cover .
    Cover panel according to claim 1, characterized in that the cover sheet and the handle are provided with interlocking fastening elements in order to hold the cover sheet firmly on the toothbrush handle.
    Cover panel according to claim 1, characterized in that the cover sheet is formed of at least two interlocking portions.
    4. Referring to 1-3. Cover panel according to one of Claims 1 to 3, characterized in that the cover sheet is made of hard plastic.
    A cover sheet according to claim 1, characterized in that the cover sheet is made of an elastomeric material.
    6. Cover panel according to one of Claims 1 to 3, characterized in that the cover sheet is provided with an element enabling the handle on the handle to operate in the position when the cover sheet is attached to the handle.
    Cover panel according to claim 6, characterized in that the actuator enabling the operation of the actuator switch is a through hole formed on the cover sheet.
    8. Referring to Figures 1-7. Cover panel according to one of Claims 1 to 3, characterized in that the cover sheet is provided with an outer surface which facilitates better grip of the toothbrush handle.
    r
    9. Cover sheet according to one of Claims 1 to 3, characterized in that the cover sheet is designed to provide the possibility of applying a unique communication.
    10. A method for customizing an electric toothbrush in accordance with claims 1-9. Attaching a cover sheet according to any one of claims 1 to 4.
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HU0400336A 2001-06-29 2002-05-23 Toothbrush cover HU0400336A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP01305693 2001-06-29
PCT/EP2002/005757 WO2003003940A1 (en) 2001-06-29 2002-05-23 Toothbrush cover

Publications (1)

Publication Number Publication Date
HU0400336A2 true HU0400336A2 (en) 2004-07-28

Family

ID=8182070

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0400336A HU0400336A2 (en) 2001-06-29 2002-05-23 Toothbrush cover

Country Status (8)

Country Link
US (2) US6779216B2 (en)
EP (1) EP1399081A1 (en)
CN (1) CN1523973A (en)
BR (1) BR0211045A (en)
HU (1) HU0400336A2 (en)
PL (1) PL367418A1 (en)
RU (1) RU2004102501A (en)
WO (1) WO2003003940A1 (en)

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BR0211045A (en) 2004-07-20
EP1399081A1 (en) 2004-03-24
US6779216B2 (en) 2004-08-24
RU2004102501A (en) 2005-03-27
US20030000030A1 (en) 2003-01-02
US20040107523A1 (en) 2004-06-10
CN1523973A (en) 2004-08-25
PL367418A1 (en) 2005-02-21
WO2003003940A1 (en) 2003-01-16

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