WO2019026020A1

WO2019026020A1 - Toothbrush having a secured detachable pivotable head

Info

Publication number: WO2019026020A1
Application number: PCT/IB2018/055814
Authority: WO
Inventors: Oz GUETTA
Original assignee: Guetta Oz
Priority date: 2017-08-02
Filing date: 2018-08-02
Publication date: 2019-02-07

Abstract

A toothbrush comprising a handle comprising on one end thereof a first part of a securing mechanism; and a toothbrush head comprising a second part of the securing mechanism rotatably connectable to the first part; the securing mechanism configured to secure the toothbrush head to the handle and allow the toothbrush head to rotate around a central axis.

Description

TOOTHBRUSH HAVING A SECURED DETACHABLE PIVOTABLE HEAD

FIELD OF THE INVENTION

The present invention generally relates to toothbrushes and specifically to a toothbrush having a detachable rotatable head. CROSS-REFERENCE TO RELATED PATENT APPLICATIONS

This patent application claims priority from and is related to U.S. Provisional Patent Application Serial Number 62/540,077, filed 08/02/2017, this U.S. Provisional Patent Application incorporated by reference in its entirety herein.

BACKGROUND Conventional toothbrushes usually have a single fixed brush. One brush allows cleaning one side of the tooth at a time. In known in the art toothbrushes that do have two brushes the brushes are also fixed. These double head brushes do allow cleaning both sides of the tooth but do not allow easy movement.

There is a long felt need for a toothbrush having a secured detachable pivotable head which allows easy cleaning and movement while brushing the teeth.

Moreover, there is a long felt need for a mechanism allowing easy replacement of the toothbrush's head.

BRIEF DESCRIPTION OF THE DRAWINGS

For better understanding of the invention and to show how the same may be carried into effect, reference will now be made, purely by way of example, to the accompanying drawings.

With specific reference now to the drawings in detail, it is stressed that the particulars shown are by way of example and for purposes of illustrative discussion of the preferred embodiments of the present invention only, and are presented in the cause of providing what is believed to be the most useful and readily understood description of the principles and conceptual aspects of the invention. In this regard, no attempt is made to show structural details of the invention in more detail than is necessary for a

fundamental understanding of the invention, the description taken with the drawings making apparent to those skilled in the art how the several forms of the invention may be embodied in practice. In the accompanying drawings:

Fig. 1 shows a toothbrush having a secured detachable pivotable toothbrush head according to embodiments of the present invention;

Fig. 1A is an exploded view of the toothbrush of Fig. 1 ; Fig. 1 B is an exploded enlargement of detail 140 of Fig. 1 ;

Fig. 1C shows the mechanism part 122 placed in the mechanism's body 118;

Fig. 1 D is a side view of detail 140 of Fig. 1 ;

Fig. 1 E is an upper view of the toothbrush of Fig. 1 ;

Fig. 1 F shows the toothbrush's head 130 of Fig. 1 ; Fig. 1G shows a single headed toothbrush head;

Fig. 1 H shows a triple headed toothbrush head;

Fig. 11 shows the toothbrush's head 130 of Fig. 1 placed above a tooth;

Fig. 1 J is a side view of the toothbrush's head 130 of Fig. 11;

Fig. 1 K demonstrates the toothbrush's 100 operation; Fig. 1 L is a side view of the toothbrush's head of Fig. 1 F or Fig. 1 G;

Fig. 2 shows another toothbrush having a secured detachable pivotable toothbrush head according to embodiments of the present invention;

Fig. 2A is an exploded view of the toothbrush of Fig. 2; Fig. 2B is an exploded enlargement of detail 250 of Fig. 2;

Fig. 2C shows the mechanism 220 placed in the mechanism's body 218;

Fig. 2D shows a toothbrush handle having three pieces;

Fig. 2E and Fig. 2F show a sleeve for securing the toothbrush handle's prongs; Fig. 2G shows a triple headed toothbrush head;

Fig. 3 shows another toothbrush having a secured detachable pivotable toothbrush head according to embodiments of the present invention;

Fig. 3A is an exploded view of the toothbrush 300 of Fig. 3;

Fig. 4 shows another toothbrush having a secured detachable pivotable toothbrush head according to embodiments of the present invention; and

Fig. 4A is an exploded view of the toothbrush 400 of Fig. 4.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

Before explaining at least one embodiment of the invention in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of the components set forth in the following description or illustrated in the drawings. The invention is applicable to other embodiments or of being practiced or carried out in various ways. Also, it is to be understood that the

phraseology and terminology employed herein is for the purpose of description and should not be regarded as limiting.

The present invention provides a toothbrush having a secured detachable pivotable head allowing easy, and according to embodiments, peripheral cleaning of the user's teeth. According to embodiments of the present invention, the toothbrush may include various handles, various heads and various mechanisms for securely connecting the

toothbrush's head while enabling easy movement of the head as will be explained below. Attention is drawn to Fig. 1 showing toothbrush 100 according to embodiments of the present invention. The toothbrush 100 includes a handle 110, a securing mechanism

120 and a detachable pivotable head 130.

Fig. 1A is an exploded view of the toothbrush 100 of Fig. 1. According to embodiments of the present invention, the handle 110 may be formed as one piece or more made out of the same or different materials. The mechanism 120 includes a mechanism cover

121 intended to be opened in the direction of arrow 150 in order to enable the detachment of the toothbrush's head 130 as will be explained below. According to embodiments of the invention, the mechanism cover 121 is connected to the

mechanism body 118 on one end 119 and is made of material(s) allowing some kind of elasticity andVor flexibility in order to enable the cover 121 to be opened as described and presented (e.g. a living hinge). Alternatively, the cover 121 may be connected to the body 118 via a hinge. The cover 121 is intended to be securely closed while brushing the teeth using a latch including a male part 121 B and a female part 121C.

Fig. 1 B is an exploded enlargement of detail 140 of Fig. 1. The mechanism part 122 has two semi-circular parts 122A and 122B each able to move towards the center of the circle in order to be inserted into the mechanism's body 118. Each of the semi-circular parts 122A and 122B has a semi-circular protrusion on its upper side (122C and 122D) intended to be caught by the body's round protrusion 123. It will be appreciated that the mechanism part 122 may be a snap connection or any connection known in the art allowing secured a rotational movement. The mechanism cover 121 has a central protrusion 121A which is intended to be placed between the semi-parts 122A and 122B. When the mechanism part 122 is placed in the body 118, into the hole 124, and the mechanism cover 121 is closed, the cover secures the toothbrush's head 130 to the handle thus preventing the movement of the semi-parts 122A and 122B towards the center of the circle while allowing rotation of the toothbrush's head 130 around a central axis. In order to detach the toothbrush's head 130, the user opens the mechanism cover 121 thus enabling the semi-parts 122A and 122B to move towards the center of the circle and be released from the mechanism's body 118.

Fig. 1C shows the mechanism part 122 placed in the mechanism's body 118. Fig. 1 D is a side view section of detail 140 of Fig. 1 showing the semi-circular protrusions 122C and 122D caught by the round protrusion 123. The central protrusion 121 A of the mechanism cover 121 is placed between the semi-circular parts 122A and 122B thus secures the toothbrush's head 130 to the toothbrush's handle 110. As mentioned above, the mechanism cover 121 intended to be opened in the direction of arrow 150 in order to enable the detachment of the toothbrush's head 130.

Fig. 1 E is an upper view of the toothbrush of Fig. 1 showing the rotating directions of the toothbrush's head 130 (360°).

Fig. 1 F shows the toothbrush's head 130 of Fig. 1. According to embodiments of the present invention, the toothbrush's head 130 is double headed, where each head has bristles or fibers forming the cleaning surface 160 placed in 45 degrees towards the teeth. It will be appreciated that the toothbrush's head 130 is not limited to be double headed and the bristles or fibers are not limited to be placed in 45 degrees. According to embodiments of the present invention the toothbrush's head 130 may be single headed, such as presented for example in Fig. 1G, triple headed, such as presented for example in Fig. 1 H, etc. According to embodiments of the present invention, part 170A and 170B may be formed from materials allowing different kinds of elasticity and\or flexibility in order to enable part 171 A to move in the directions of arrow 175A and part 171 B to move in the directions of arrow 175B. It will be appreciated that the explanation regarding the elasticity andVor flexibility and movement refers to both the triple head and the double head embodiments.

Fig. 11 shows the toothbrush's head 130 of Fig. 1 placed above a tooth. As can be seen, the structure of the head allows full coverage of the tooth by both heads simultaneously. Fig. 1 J is a side view of the toothbrush's head 130 of Fig. 11. As can be seen, the full coverage may include more than one tooth.

Fig. 1 K demonstrates the toothbrush's 100 operation. As can be seen, the teeth may be simultaneously cleaned from both sides in a continuous movement. Arrows 180

represent the progress through the operation. Arrows 185 represent the movement of the toothbrush's head 130 while brushing the teeth.

Fig. 1 L is a side view of the toothbrush's head of Figs. 1 F, 1G or Fig. 1 H. According to embodiments of the present invention the toothbrush's head 130 may include

textured or contoured back surfaces 165 (the other side is not shown) for cleaning the inner side of the cheek(s) and tongue.

Fig. 2 shows toothbrush 200 according to embodiments of the present invention. The toothbrush 200 includes a bifurcated handle 210, a securing mechanism 220 and a detachable pivotable head 230.

Fig. 2A is an exploded view of the toothbrush 200 of Fig. 2. According to embodiments of the present invention, the bifurcated handle 210 includes two prongs 211 and 212 connected in one end to an elastic and\or flexible mechanism body 218 (e.g. a living hinge). The mechanism 220 is connected to the mechanism body 218 and intended to enable the toothbrush's head 230 to be securely connected to the handle 210, rotate around a central axis and be detached when necessary. The handle prong 211 is intended to be opened in the direction of arrow 250 and the handle prong 212 is intended to be opened in the direction of arrow 251 in order to enable the detachment of the detachable pivotable toothbrush's head 230.

According to embodiments of the present invention, the detachable pivotable head 230 may be the same as the detachable pivotable head 130 of Fig. 1 with different mechanism (220 instead of 122).

According to embodiments of the present invention, the handle prongs 211 and 212 may be securely closed using at least one protrusion 240 mounted on one handle prong and at least one respective depression (not shown) mounted against the at least one protrusion on the other handle's prong.

Fig. 2B is an exploded enlargement of detail 250 of Fig. 2. The mechanism 220 is a connector having a protrusion 222 on its upper side intended to be caught by the mechanism body's round protrusion 223. In order to connect the toothbrush's head 230 to the handle 210, the user opens the handle's prongs 211 and 212, inserts the mechanism 220 into the mechanism body's hole 224 and closes the handle's prongs

211 and 212. Closing the handle's prongs secures the toothbrush's head 230 to the handle 210 while allowing rotation of the toothbrush's head 230 around a central axis. In order to detach the toothbrush's head 230, the user opens the handle's prongs 211 and

212 and releases the toothbrush's head 230 from the mechanism's body 218.

Fig. 2C shows the mechanism 220 placed in the mechanism's body 218.

According to embodiments of the present invention, instead of the one-piece bifurcated handle 210 of Fig. 2, the handle may be made of two or three pieces such as shown in Fig. 2D where prongs 231 and 232 are connected to the mechanism body 233 which is made of rigid, and flexible and\or elastic materials enabling the insertion of the mechanism 220. The depressions 241 and protrusions 240 described in conjunction with Fig. 2A are also presented in Fig 2D.

It will be appreciated that the handle's prongs 211 and 212, or 231 and 232 may be securely closed using other solutions such as a clip, hook-and-loop fasteners, a sleeve or a case such as sleeve 218 shown in Fig. 2E and Fig. 2F, etc.

According to embodiments of the present invention the toothbrush's head 230 may be single headed, triple headed, etc. such as presented for example in Fig. 2G. According to embodiments of the present invention, part 270A and 270B may be formed from materials allowing different kinds of elasticity and\or flexibility in order to enable part 271 A to move in the directions of arrow 275A and part 271 B to move in the directions of arrow 275B. It will be appreciated that the explanation regarding the elasticity and\or flexibility and movement refers to both the triple head and the double head. It will be appreciated that the structure of the toothbrush's head 230 also allows full coverage of the tooth by both heads simultaneously.

The full coverage may include more than one tooth.

The same operation described in conjunction with Fig. 1 K may be achieved using the toothbrush 200.

Fig. 3 shows toothbrush 300 according to embodiments of the present invention. The toothbrush 300 includes a handle 310, a securing mechanism 320 and a detachable pivotable head 330.

According to embodiments of the present invention, the detachable pivotable head 330 is the same as the detachable pivotable head 230 with the mechanism 220.

Fig. 3A is an exploded view of the toothbrush 300 of Fig. 3. According to embodiments of the present invention, the handle 310 may be formed as one piece or more made of the same or different materials. The mechanism 320 includes a mechanism cover 321 intended to be opened in the direction of arrow 350 in order to enable the detachment of the toothbrush's head 330 and securely closed while brushing the teeth using a latch including a male part 321 A and a female part 321 B. According to embodiments of the invention, the mechanism cover 321 is connected to the mechanism body 318 on one end 319 and is made of material(s) allowing some kind of elasticity and\or flexibility (e.g. a living hinge) in order to enable the cover 321 to be opened as described and presented. Alternatively, the cover 321 may be connected to the mechanism body 318 via a hinge. The mechanism part 322 is a connector having a protrusion 323 on its upper side intended to be caught by the mechanism body's round protrusion 324. In order to connect the toothbrush's head 330 to the handle 310, the user opens the mechanism cover 321 , inserts the mechanism part 322 into the body's hole 325 and closes the mechanism cover 321. Closing the mechanism cover secures the

toothbrush's head 330 to the handle 310 while allowing rotation around a central axis. In order to detach the toothbrush's head 330, the user opens the mechanism cover 321 and releases the toothbrush's head 330 from the body 318. According to embodiments of the present invention, part 370A and 370B may be formed from a material(s) allowing different kinds of elasticity and\or flexibility, and rigidity in order to enable part 371 A to move in the directions of arrow 375A and part 371 B to move in the directions of arrow 375B. It will be appreciated that the explanation regarding the elasticity and\or flexibility and movement refers to both the triple head and the double head. According to embodiments of the present invention the toothbrush's head 330 may be single headed, triple headed, etc. such as presented for example in Fig. 2G.

It will be appreciated that the explanation regarding the elasticity andVor flexibility and movement refers to both the triple head and the double head embodiments.

It will be appreciated that the structure of the toothbrush's head 330 also allows full coverage of the tooth by both heads simultaneously.

The full coverage may include more than one tooth.

The same operation described in conjunction with Fig. 1 K may be achieved using the toothbrush 300.

Fig. 4 shows toothbrush 400 according to embodiments of the present invention. The toothbrush 400 includes a handle 410, a securing mechanism 420 and a detachable pivotable head 430.

According to embodiments of the present invention, the detachable pivotable head 430 is the same as the detachable rotatable head 130 with the mechanism part 122.

Fig. 4A is an exploded view of the toothbrush 400 of Fig. 4. According to embodiments of the present invention, the handle 410 may be formed as one piece or more made of the same or different materials. The mechanism 420 includes an elastic and\or flexible mechanism cover (not shown) intended to allow limited movement of the mechanism part 421 in the direction of arrow 450 in order to enable the detachment of the mechanism part 422. The mechanism part 421 includes a magnet (not shown) on its lower side 421 B and a magnetic material 421C on its upper side 421 D. The mechanism part 422 has two semi-circular parts 422A and 422B each able to move towards the center of the circle in order to be inserted into the hole 424 in the mechanism body 418. Each of the semi-circular parts 422A and 422B has a semi-circular protrusion on its upper side (422C and 422D) intended to be caught by the body's round protrusion (not shown - the same as in Fig. 1 A). It will be appreciated that the mechanism part 422 may be a snap connection or any connection known in the art allowing secured and rotational movement. The mechanism part 422 has an upper surface made of a magnetic material. Alternatively, part 422 may be made of a magnetic material. When the mechanism part 422 is inserted into the body's hole 424, the magnet of the mechanism part 421 magnetizes to the magnetic material of the mechanism part 422 and the central protrusion 421 A is placed between the semi-parts 422A and 422B thus preventing the movement of the semi-parts 422A and 422B towards the center of the circle and securing the toothbrush's head 430 while allowing rotation of the head around a central axis.

In order to detach the toothbrush's head 430, the user brings the mechanism part 421 close to a magnet (mounted for example on a designated toothbrush holder or a stand) which magnetizes to the magnetic material 421 C and detaches the protrusion 421 A from the mechanism part 422 thus enabling the semi-parts 422A and 422B to move towards the center of the circle and be released from the toothbrush's handle 410. According to embodiments of the present invention the toothbrush's head 430 may be single headed, such as presented for example in Fig. 1G, triple headed, such as presented for example in Fig. 1 H, etc. According to embodiments of the present invention, part 470A and 470B may be formed from a material(s) allowing different kinds of elasticity and\or flexibility, and rigidity in order to enable part 471 A to move in the directions of arrow 475A and part 471 B to move in the directions of arrow 475B. It will be appreciated that the explanation regarding the elasticity andVor flexibility and movement refers to both the triple head and the double head.

It will be appreciated that the structure of the toothbrush's head 430 also allows full coverage of the tooth by both heads simultaneously. The full coverage may include more than one tooth.

The same operation described in conjunction with Fig. 1 K may be achieved using the toothbrush 400.

It will be appreciated that the toothbrush handle's shape and the toothbrush's head are not limited to those shown in the figures above.

It will be appreciated that the toothbrush's head may be manufactured in various sizes to fit a mouth of a woman, man, child, etc.

It will be appreciated that the toothbrushes described above are not limited to a specific securing mechanism. Various securing mechanisms may be used and are included in the scope of the invention. Moreover, according to embodiments of the invention, the toothbrush's head may be undetachable.

According to embodiments of the present invention, the toothbrush's bristles or fibers may be formed of any conventional material and may be soft, medium or hard, or any combination of relative stiffness. The bristles or fibers may have the same length, different lengths; they may be shaped as a concave arch or a convex arch, etc.

The toothbrushes of the various embodiments of the present invention may be formed from a plastic material, with the cover 121 , the end 215, the connector 233 and the mechanism cover 321 formed from a somewhat rigid, and flexible and\or elastic material to allow the requisite degree of movement and compression to ensure secured lock. It is further contemplated that in each of the embodiments of the present invention an additional flexible sealing cover may be provided around the securing mechanism to prevent contamination of the mechanism with foreign material.

According to embodiments of the present invention, the various embodiments described above may comprise an electrical energy source such as for example a rechargeable or non-rechargeable battery mounted for example in the handle for activating a vibration element e.g. generating an ultrasonic wave in order to cause the toothbrush's head or bristles to move. Therefore, the foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the invention.

It will be appreciated by persons skilled in the art that the present invention is not limited to what has been particularly shown and described hereinabove. Rather the scope of the present invention is defined by the appended claims and includes combinations and sub-combinations of the various features described hereinabove as well as variations and modifications thereof which would occur to persons skilled in the art upon reading the foregoing description.

Claims

1. A toothbrush comprising:

a handle comprising on one end thereof a first part of a securing mechanism; and

a toothbrush head comprising a second part of said securing mechanism rotatably connectable to said first part;

said securing mechanism configured to:

secure said toothbrush head to said handle; and

allow said toothbrush head to rotate around a central axis.

2. The toothbrush of claim 1 , wherein said securing mechanism's first part

comprises:

a mechanism body comprising:

an outer wall having an inner side and an outer side, said outer wall comprising a female part of a latch;

a round protrusion protruding from said inner side of said wall; and a hole surrounded by said round protrusion; and a mechanism cover connected to said mechanism body, said mechanism cover comprises:

a central protrusion; and

a male part of said latch; wherein said securing mechanism's second part comprises: a first semi-circular part connected to said toothbrush head, said first semi-circular part comprises a first semi-circular protrusion; and

a second semi-circular part connected to said toothbrush head, said second semi-circular part comprises a second semi-circular protrusion;

said first and second semi-circular parts configured to be inserted into said hole thereby placing said first and second semi-circular protrusions above said round protrusion; said male part configured to be connected to said female part thereby closing said mechanism cover and placing said central protrusion between said first and second semi-circular parts.

3. The toothbrush of claim 1 , wherein said toothbrush head is selected from the group consisting of a single headed, a double headed and a triple headed toothbrush head.

4. The toothbrush of claim 2, wherein said securing mechanism is further

configured to enable detachment and replacement of said toothbrush head.

5. The toothbrush of claim 1 , further comprising an electrical energy source

configured to activate a vibration element.

6. The toothbrush of claim 5, wherein said electrical energy source is

a battery lodged within said handle.

7. The toothbrush of claim 1 , wherein said securing mechanism's first part

comprises:

a mechanism body comprising:

a flexible outer wall having an inner side and an outer side;

a round protrusion protruding from said inner side of said wall; and a hole surrounded by said round protrusion; wherein said handle is bifurcated and comprises: a first prong and a second prong, each connected to said flexible outer wall; said first prong and said second prong are configured to enable expanding said hole for inserting said securing mechanism's second part; and means for attaching said handle's first and second prongs; wherein said securing mechanism's second part comprises: a circular part connected on one end thereof to said toothbrush head and comprising a circular protrusion on the other end thereof;

said circular part configured to be inserted into said hole thereby placing said circular protrusion above said round protrusion.

8. The toothbrush of claim 7, wherein said securing mechanism is further configured to enable detachment and replacement of said toothbrush head.

9. The toothbrush of claim 7, further comprising an electrical energy source

configured to activate a vibration element.

10. The toothbrush of claim 9, wherein said electrical energy source is

a battery lodged within at least one of said first and second prongs.

1 1. The toothbrush of claim 7, wherein said means for attaching said handle's first and second prongs comprise at least one protrusion mounted on one side of said first prong facing said second prong; and

at least one depression mounted on one side of said second prong facing said first prong;

wherein each protrusion is configured to be connected to a respective

depression.

12. The toothbrush of claim 7, wherein said means for attaching said handle's first and second prongs comprise a sleeve.

13. The toothbrush of claim 1 , wherein said securing mechanism's first part

comprises:

a mechanism body comprising:

an outer wall having an inner side and an outer side and comprising a female part of a latch;

a round protrusion protruding from said inner side of said wall; and a hole surrounded by said round protrusion; and

a mechanism cover connected to said mechanism body, said mechanism cover comprises:

a male part of said latch; wherein said securing mechanism's second part comprises: a circular part connected on one end thereof to said toothbrush head and comprising a circular protrusion on the other end thereof;

said circular part configured to be inserted into said hole thereby placing said circular protrusion above said round protrusion; said male part configured to be connected to said female part thereby closing said mechanism cover.

14. The toothbrush of claim 13, wherein said securing mechanism is further

configured to enable detachment and replacement of said toothbrush head.

15. The toothbrush of claim 13, further comprising an electrical energy source

configured to activate a vibration element.

16. The toothbrush of claim 15, wherein said electrical energy source is

a battery lodged within said handle.

17. The toothbrush of claim 1 , wherein said securing mechanism's first part

comprises:

a mechanism body comprising:

an outer wall having an inner side and an outer side;

a round protrusion protruding from said inner side of said wall; and a hole surrounded by said round protrusion;

a mechanism part comprising:

a magnetic material on an upper side thereof; and a magnet and a central protrusion a lower side thereof; and a mechanism cover configured to enable limited movement of said mechanism part; wherein said securing mechanism's second part comprises: a first semi-circular part connected to said toothbrush head, said first semi-circular part comprises a first semi-circular protrusion and magnetic material; and

a second semi-circular part connected to said toothbrush head, said second semi-circular part comprises a second semi-circular protrusion and magnetic material;

said first and second semi-circular parts configured to be inserted into said hole thereby placing said first and second semi-circular protrusions above said round protrusion; said magnet of said mechanism part configured to be magnetized to said magnetic material of said first and second semi-circular protrusions thereby placing said central protrusion between said first and second semi-circular parts.

18. The toothbrush of claim 17, wherein said securing mechanism is further

configured to enable detachment and replacement of said toothbrush head.

19. The toothbrush of claim 18, wherein said detachment is configured to be done by bringing a magnet closer to said magnetic material mounted on said upper side of said mechanism part thereby detaching said mechanism part from said securing mechanism's second part.

20. The toothbrush of claim 19, wherein said magnet is mounted on one of a

designated toothbrush holder and a stand.

21. The toothbrush of claim 17, further comprising an electrical energy source

configured to activate a vibration element.

22. The toothbrush of claim 21 , wherein said electrical energy source is

a battery lodged within said handle.

23. A toothbrush head comprising:

a first part of a securing mechanism comprising:

a first semi-circular part comprising a first semi-circular protrusion; and

a second semi-circular part comprising a second semi-circular protrusion;

said first and second semi-circular parts configured to be connected to a handle comprising a second part of said securing mechanism thereby securing said toothbrush head to said handle while allowing rotational movement of said toothbrush head around a central axis.

24. A toothbrush head comprising:

a first part of a securing mechanism comprising:

a circular part comprising a circular protrusion;

said circular part configured to be connected to a handle comprising a second part of said securing mechanism thereby securing said toothbrush head to said handle while allowing rotational movement of said toothbrush head around a central axis.

25. A toothbrush head comprising:

a first part of a securing mechanism comprising:

a first semi-circular part comprising a first semi-circular protrusion and magnetic material; and

a second semi-circular part comprising a second semi-circular protrusion and magnetic material;

said first and second semi-circular parts configured to be connected to a handle comprising a second part of said securing mechanism comprising a magnet using said magnetic material of said first and second semi-circular protrusions which is configured to be magnetized to said magnet thereby securing said toothbrush head to said handle while allowing rotational movement of said toothbrush head around a central axis.