CN1268302C - Double-head electric toothbrush - Google Patents
Double-head electric toothbrush Download PDFInfo
- Publication number
- CN1268302C CN1268302C CN 03146981 CN03146981A CN1268302C CN 1268302 C CN1268302 C CN 1268302C CN 03146981 CN03146981 CN 03146981 CN 03146981 A CN03146981 A CN 03146981A CN 1268302 C CN1268302 C CN 1268302C
- Authority
- CN
- China
- Prior art keywords
- brush
- handle
- lower cover
- drive
- connecting rod
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000002633 protecting effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Brushes (AREA)
Abstract
The utility model provides a two brush head electric toothbrush, including install toothbrush handle (1) anterior segment respectively with toothbrush handle lower cover (11) rotatory swing joint's rotatory brush head (4) and swing brush head (5), toothbrush handle (1) inner chamber is equipped with one end and is connected other end respectively with rotatory brush head (4) and connecting rod assembly (6) that drive wheel (3) are connected with electric actuator (2), one is located and dials key (51) and falls into recess (32) of drive wheel (3) one side at the brush head (5) back of swing, the brush head (5) of swing are injectd on the track perpendicular with toothbrush handle axis. The electric device (2) drives the rotary brush head (4) and the driving wheel (3) to respectively rotate around a round hole (12) and a vertical shaft (13) on the lower cover (11) of the toothbrush handle through the connecting rod component (6), and the driving wheel (3) drives the shifting key (51) to enable the swing brush head (5) to do reciprocating linear motion vertical to the central axis of the toothbrush handle (1). The electric toothbrush has high tooth brushing efficiency and good tooth cleaning and protecting effects.
Description
Technical field
The present invention relates to the daily living article toothbrush, particularly the electric toothbrush of independent current source driving.
Background technology
Existing electric toothbrush, its brush or be rotational head, bristle though can effectively remove the dirt of dental surface, is difficult to remove the dirt in the teeth space around the positive and negative rotation of handle; Be the swing brush, bristle swings back and forth perpendicular to the direction of handle, can effectively remove the dirt in the teeth space, but not good to the cleaning effect of dental surface.Use above two kinds of electric toothbrushes to brush teeth, want that comprehensive cleaning teeth need spend the more time and effect is bad, be unfavorable for taking care of one's teeth.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of two brush electric toothbrushes that can improve brushing efficiency.
Purpose of the present invention can realize by adopting following technical measures, design a kind of pair of brush electric toothbrush, comprise: the toothbrush body, place toothbrush body inner chamber that the electric device of push-and-pull power up and down, the head toothbrushes that is installed in the vertical handle of toothbrush body and is arranged on this handle leading portion zone are provided, wherein:
Described head toothbrushes comprises a rotational head and a swing brush;
The inner chamber of described handle is equipped with the connecting rod assembly that an end is connected with electric device, and the other end of this connecting rod assembly is connected with drive with rotational head respectively; Described rotational head is connected with handle lower cover rotary moveable respectively with drive;
One side of described drive is provided with groove, and the key of dialling of being located at the swing brush back side falls into this groove, and described swing brush is limited on the track with the handle axis normal;
Electric device drives the connecting rod assembly and back and forth moves up and down, the key of dialling that the back and forth rotation in the certain angle scope around circular hole that covers under the handle and vertical pivot respectively of connecting rod assembly driven rotary brush and drive, described drive are stirred on the swing brush back side makes the linear reciprocating motion of swing brush work perpendicular to the handle axis.
When brushing teeth, the swing brush moves up and down along the tooth direction, rotates brush around the positive and negative rotation of dental surface, thereby electric toothbrush of the present invention can more effectively remove the dirt of dental surface and teeth space, has improved the efficient of brushing teeth.
Described connecting rod assembly comprises power sub, steel axle, the pull bar that connects successively and is articulated in the pulling-on piece of tie rod end; Described power sub is connected with the output shaft of electric device; Have two axis holes that are connected with rotational head with power transmission shaft respectively on the described pulling-on piece; Be socketed with a positioning sleeve in described steel axle stage casing, the steel axle can endwisely slip along the centre bore of positioning sleeve, has guaranteed that thus the movement locus of connecting rod assembly is a straight line, and has moved it more steady.
The described swing brush back side is installed with a shifting block, shifting block one end is convexly equipped with a group key that matches with the drive groove, on the sidewall of shifting block, be provided with and the vertical horizontal through hole in handle axis, shifting block is inserted the shifting block through hole that covers under the handle from bottom to top to be fallen in the groove of drive to dialling key, one slide-bar passes the aperture of handle lower cover sidewall and the horizontal through hole of shifting block, described swing brush is limited on the handle also can be free to slide along this slide-bar.
The rotary moveable of described rotational head and handle lower cover is connected with dual mode:
The bristle back side of one, described rotational head is convexly equipped with a round platform, one side of described round platform has a sector notch, have semi-circular groove on the sidewall of opposite side, in the circular hole that covers under the handle of packing into together behind built-in brush axle sleeve of the centre bore of round platform and the central rotating shaft thereof, the convex annular key that covers under the handle falls in the described semi-circular groove, the eccentric orfice of round platform one side is connected in axis hole place on the pulling-on piece by screw, thus, described rotational head is suspended in and covers under the handle and can rotate back and forth around circular hole.
Two, the bristle back side of described rotational head is convexly equipped with a round platform, after described round platform inserts circular hole from the bottom to top, the runner that one external diameter is big than circular hole is fixed in its top, the round platform sidewall is provided with the protruding key that matches with recess on the runner inwall, and described rotational head promptly is suspended in and covers under the handle and can rotate around circular hole.
The built-in drive axle sleeve of the centre bore of described drive, on the fixedly sleeved vertical pivot that covers under handle of this drive axle sleeve, drive can come back rotation around this vertical pivot.
In addition, the described slide-bar both ends that are positioned at the handle lower cover are fixed with packing ring.This packing ring can effectively reduce the sound that clashes into the handle lower cover when swing brush slidably reciprocates, and has reduced operating noise.
Of the present invention pair of brush electric toothbrush compared with prior art has following advantage: electric toothbrush of the present invention is provided with rotates brush and vertical swing brush; the swing brush moves up and down along the tooth direction; bristle can go deep into teeth space; remove the teeth space dirt; rotational head rotates at dental surface; can effectively remove the dental surface dirt, improve brushing efficiency, and can better take care of one's teeth.
Description of drawings
The drawing of accompanying drawing is described as follows:
Fig. 1 is each exploded view at 1 place of handle described in the embodiment one;
Fig. 2 is swing brush 5 among the embodiment one and annexation and the direction of motion sketch map between rotational head 4, drive 3, connecting rod assembly 6 and the electric device 2 thereof;
Fig. 3 swings direction of motion sketch map between brush 5 and the rotational head 4 among the embodiment one;
Fig. 4 is the exploded view of described electric device 2;
Fig. 5 is each exploded view at 1 place of handle described in the embodiment two.
Below in conjunction with drawings and Examples preferred forms of the present invention is described in further detail.
The specific embodiment
Of the present invention pair of brush electric toothbrush comprises: the toothbrush body, place toothbrush body inner chamber that the electric device 2 of push-and-pull power up and down, a rotational head 4 and swing brush 5 that is installed in the vertical handle 1 of toothbrush body and is arranged on this handle 1 leading portion zone are provided.The inner chamber of described handle 1 is equipped with the connecting rod assembly 6 that an end is connected with electric device 2, and the other end of this connecting rod assembly 6 is connected with drive 3 with rotational head 4 respectively.Described rotational head 4 is connected with handle lower cover 11 rotary moveables respectively with drive 3.One side of drive 3 is provided with groove 32, and the key 51 of dialling of being located at swing brush 5 back sides falls into this groove 32, and described swing brush 5 is limited on the track with the handle axis normal.The present invention has following two embodiment:
Embodiment one,
In the present embodiment, described rotational head 4 pro-, swing brush 5 after, as Fig. 1, correspondingly, the diapire front end of handle lower cover 11 has a circular hole 12, circular hole 12 rears have a shifting block through hole, respectively in order to rotational head 4 and swing brush 5 to be installed.
Details are as follows for each parts of electric toothbrush and annexation thereof:
As shown in Figure 1, the inner chamber of described handle 1 is equipped with connecting rod assembly 6, comprises from back to front power sub 61, steel axle 62, the pull bar 63 that connects successively and is articulated in the pulling-on piece 64 of pull bar 63 ends.Be between wherein power sub 61, pull bar 63 and the steel axle 62 and be threaded, the power sub 61 of described rearward end is connected (as Fig. 2) with the output shaft 21 of electric device 2.Have two axis holes 641 and 642 that are connected with rotational head 4 with power transmission shaft 3 respectively on the pulling-on piece 64 of described leading section.Be socketed with a positioning sleeve 65 in described steel axle 62 stage casings, steel axle 62 can endwisely slip along the centre bore of positioning sleeve 65, and the effect of this positioning sleeve 65 is to guarantee that the movement locus of steel axle 62 is a straight line, and moves it more steady.Described pull bar 63 is cylindrical, and its front end has the horizontal opening groove that parallels to the axis and vertical pin-and-hole perpendicular to axis, and the end of described pulling-on piece 64 inserts in the open slot of pull bar 63 and is articulated in the pin-and-hole place by a bearing pin with it.
As shown in Figure 1, described drive 3 is installed between rotational head 4 and the swing brush 5, be with a drive axle sleeve 34 in its centre bore 33, convex with a vertical pivot 13 on the diapire on the handle lower cover 11 between circular hole 12 and the shifting block through hole, described drive axle sleeve 34 tight fits are socketed on this vertical pivot 13, and drive 3 can come back rotation around this vertical pivot 13 and axle sleeve 34.The rear side of described drive 6 is provided with one and roughly is square and ganoid groove 32, and the left side is provided with eccentric pin-and-hole 35, one bearing pins 31 and passes this pin-and-hole 35 and be articulated in axis hole 641 places with described pulling-on piece 64.
Described rotational head 4 is positioned at the front portion of handle lower cover 11, its bristle back side fixedly convexes with a round platform 43, the left side of described round platform 43 has an eccentric orfice 46, rear and drive 3 adjacent sides have a sector notch, opposite side is the semi-circular groove 45 that has a level on the sidewall in the place ahead, the medial wall foremost of handle lower cover 11 is provided with the semi-circular protruding key 16 of a level, after in the centre bore of round platform 43, compressing into a brush axle sleeve 42 and central rotating shaft 44 thereof during installation, the rear breach of round platform 43 is gone in the circular hole 12 on the handle lower cover 11 of packing into from bottom to up behind the place ahead, the semi-circular protruding key 16 that again rotational head 4 is turned an angle on handle lower cover 11 falls in the semi-circular groove 45 of round platform 43, the eccentric orfice 46 of round platform 43 1 sides is connected in axis hole 642 places on the pulling-on piece 64 by screw 41, and described rotational head 4 promptly is suspended on the handle lower cover 11 and can rotates back and forth around circular hole 12 under the drive of pulling-on piece 64.
Described swing brush 5 back sides are installed with a quadrate shifting block 52, the front end of this shifting block 52 is convexly equipped with one and matches and ganoid cylindrical group of key 51 with drive groove 32, there is a breach this group key 51 belows, are provided with on the sidewall of shifting block 52 and the vertical horizontal through hole 53 in handle 1 axis.During installation, shifting block 52 is inserted shifting block through hole on the handle lower cover 11 from bottom to top, the key 51 of dialling that pushes away forward again on shifting block 52 falls in the groove 32 of drive 3, the breach of dialling key 51 belows just in time is stuck on the diapire of handle lower cover 11, at last a slide-bar 54 is passed the aperture 15 of handle lower cover 11 sidewalls and the horizontal through hole 53 of shifting block 52 and also fix, described swing brush 5 promptly is limited on the handle 1 and can be free to slide along this slide-bar 54.
For described slide-bar 54 is fixed on the handle 1, can open a draw-in groove 541 near the end of aperture 14 at described slide-bar 54.Like this, slide-bar 54 is passed the aperture 15 of handle lower cover 11 during installation after, being stuck in described draw-in groove 541 places with the notched card 55 in a bottom can be positioned slide-bar 54 on the handle lower cover 11.
In order to eliminate the sound that clashes into handle lower cover 11 when swing brush 5 moves, reduce operating noise in addition, be positioned at each fixedly sleeved packing ring 56 of two ends of handle lower cover 11 inwalls at described slide-bar 54.
As shown in Figure 4, described electric device 2 comprises motor 23, the change-speed gearing group that is connected with the motor power axle, i.e. motor gear 24 and change-speed gearing 25, the output shaft 21 that is convexly set in the vertical eccentric shaft 26 on the change-speed gearing 25, the connecting rod 22 that is connected with eccentric shaft 26 and is connected with this connecting rod 22.As Fig. 2, motor 23 drive the change-speed gearing groups and on vertical eccentric shaft 26 rotate, eccentric shaft 26 drives output shafts 21 by connecting rod 22 and moves back and forth up and down.
As shown in Figure 2, the work process of the two brush electric toothbrushes of the present invention is as follows: motor 23 by motor gear 24 drive the change-speed gearing groups and on vertical eccentric shaft 26 rotate, eccentric shaft 26 drives connecting rod assembly 6 by connecting rod 22 and output shaft 21 and moves back and forth up and down, connecting rod assembly 6 drives drive 3 again and rotational head 4 comes back rotation around vertical pivot on the handle lower cover 11 13 and circular hole 12 respectively in the certain angle scope, and described drive 3 is stirred the linear reciprocating motion that key 51 makes swing brush 5 do perpendicular to handle 1 axis along slide-bar 54 by the groove 32 at its rear portion.When vertical eccentric shaft 26 went to left side or right side, drive 3 went to center position, and rotational head 4 and swing brush 5 all are positioned at handle 1 center (corresponding to Fig. 3 a); When vertical eccentric shaft 26 went to the upper end, drive 3 and rotational head 4 clockwise rotated certain angle under the promotion of pulling-on piece 64, and swing brush 5 slides to left side (corresponding to Fig. 3 c); When vertical eccentric shaft 26 went to the lower end, drive 3 and rotational head 4 rotated counterclockwise certain angle, and swing brush 5 slides to right side (corresponding to Fig. 3 b).When brushing teeth like this, motor 23 is rotated further, and rotational head 4 just constantly rotates back and forth, and swing brush 5 just constantly vertically moves back and forth up and down.
As shown in Figure 4, the adapter sleeve 7 of a band water proof ring is equipped with in the rear end of described connecting rod assembly 6, behind output shaft 21 front end sockets one waterproof jacket 8 of described electric device 2 above-mentioned water proof ring is firmly compressed into adapter sleeve 7, and after the structure of part installs in toothbrush, the upper and lower covers of toothbrush body is got togather the employing ultrasonic bonding, makes its upper and lower covers melten gel, again with the battery waterproof snare in the capillary groove of upper and lower covers, battery cover is loaded onto, and the waterproof of electric toothbrush just can be guaranteed.
Embodiment two,
Present embodiment and embodiment one are basic identical, different is described rotational head 4 after, swing brush 5 pro-, as Fig. 5, correspondingly, shifting block through hole 14 is opened the diapire front end at handle lower cover 11, circular hole 12 is positioned at shifting block through hole 14 rears, respectively in order to swing brush 5 and rotational head 4 to be installed.
In addition, described rotational head 4 is also different with the connected mode of handle lower cover 11,
Specifically details are as follows:
As shown in Figure 5, the bristle back side of described rotational head 4 fixedly is convexly equipped with a round platform 48, and this round platform 48 has a centre bore 482, and its sidewall is provided with a protruding key 481.During installation, after described round platform 48 inserted circular hole 12 from the bottom to top, be fixed in its top center hole 482 places than circular hole 12 big runners 47 by a screw 472 with an external diameter, the inwall of described runner 47 is provided with the recess that matches with the protruding key 481 of round platform 48, just can not produce relative rotation between round platform 48 and the runner 47 like this, described rotational head 4 is suspended on the handle lower cover 11.The left side of described runner 47 is provided with eccentric orfice, and bearing pin 471 passes axis hole 642 places that this eccentric orfice is articulated in runner 47 described pulling-on piece 64.Pulling-on piece 64 just can come back rotation around circular hole 12 by runner 47 driven rotary brushes 4 like this.
Claims (10)
1, a kind of pair of brush electric toothbrush, comprise: the toothbrush body, place toothbrush body inner chamber that the electric device (2) of push-and-pull power up and down, the head toothbrushes that is installed in the vertical handle of toothbrush body (1) and is arranged on this handle (1) leading portion zone are provided, it is characterized in that:
Described head toothbrushes comprises a rotational head (4) and a swing brush (5);
The inner chamber of described handle (1) is equipped with the connecting rod assembly (6) that an end is connected with electric device (2), and the other end of this connecting rod assembly (6) is connected with drive (3) with rotational head (4) respectively; Described rotational head (4) is connected with handle lower cover (11) rotary moveable respectively with drive (3);
One side of described drive (3) is provided with groove (32), and the key (51) of dialling of being located at swing brush (5) back side falls into this groove (32), and described swing brush (5) is limited on the track with the handle axis normal;
Electric device (2) drives connecting rod assembly (6) and back and forth moves up and down, connecting rod assembly (6) driven rotary brush (4) and drive (3) be the circular hole (12) on handle lower cover (11) and vertical pivot (13) back and forth rotation in the certain angle scope respectively, and the key (51) of dialling that described drive (3) is stirred on swing brush (5) back side makes the linear reciprocating motion of swing brush (5) work perpendicular to handle (1) axis.
2, according to claim 1 pair of brush electric toothbrush is characterized in that: described connecting rod assembly (6) comprises power sub (61), steel axle (62), the pull bar (63) that connects successively and is articulated in the pulling-on piece (64) of pull bar (63) end; Described power sub (61) is connected with the output shaft (21) of electric device (2); Have two axis hole (641) and (642) that are connected with rotational head (4) with power transmission shaft (3) respectively on the described pulling-on piece (64); Be socketed with a positioning sleeve (65) in described steel axle (62) stage casing, steel axle (62) can endwisely slip along the centre bore of positioning sleeve (65).
3, according to claim 2 pair of brush electric toothbrush, it is characterized in that: described pull bar (63) is for cylindrical, its front end has the horizontal opening groove that parallels to the axis and vertical pin-and-hole perpendicular to axis, and the end of described pulling-on piece (64) inserts in the open slot of pull bar (63) and is articulated in the pin-and-hole place with it.
4, according to claim 1,2 or 3 described pairs of brush electric toothbrushes, it is characterized in that: the bristle back side of described rotational head (4) is convexly equipped with a round platform (43), one side of described round platform (43) has a sector notch, have semi-circular groove (45) on the sidewall of opposite side, pack into together behind built-in brush axle sleeve (42) of the centre bore of round platform (43) and the central rotating shaft (44) thereof in the circular hole (12) on the handle lower cover (11), semi-circular protruding key (16) on the handle lower cover (11) falls in the described semi-circular groove (45), the eccentric orfice (46) of round platform (43) one sides is located by the axis hole (642) that screw (41) is connected on the pulling-on piece (64), and described rotational head (4) is suspended in handle lower cover (11) and goes up and can rotate back and forth around circular hole (12).
5, according to claim 1,2 or 3 described pairs of brush electric toothbrushes, it is characterized in that: the bristle back side of described rotational head (4) is convexly equipped with a round platform (48), after described round platform (48) inserts circular hole (12) from the bottom to top, the runner (47) that one external diameter is big than circular hole (12) is fixed in its top, round platform (48) sidewall is provided with the protruding key (481) that matches with recess on runner (47) inwall, and described rotational head (4) is suspended in handle lower cover (11) and goes up and can rotate around circular hole (12).
6, according to claim 1,2 or 3 described pairs of brush electric toothbrushes, it is characterized in that: described swing brush (5) back side is installed with a shifting block (52), shifting block (52) one ends are convexly equipped with a group key (51) that matches with drive groove (32), on the sidewall of shifting block (52), be provided with and the vertical horizontal through hole in handle (1) axis (53), the shifting block through hole that shifting block (52) is inserted on the handle lower cover (11) from bottom to top falls in the groove (32) of drive (3) to dialling key (51), one slide-bar (54) passes the aperture (15) of handle lower cover (11) sidewall and the horizontal through hole (53) of shifting block (52), makes described swing brush (5) be limited at handle (1) and goes up and can be free to slide along this slide-bar (54).
7, according to claim 6 pair of brush electric toothbrush is characterized in that: described slide-bar (54) end is provided with draw-in groove (541), and the notched card in a bottom (55) is stuck in this draw-in groove (541) and locates slide-bar (54) is positioned on the handle lower cover (11).
8, according to claim 6 pair of brush electric toothbrush is characterized in that: the both ends that described slide-bar (54) is positioned at handle lower cover (11) are fixed with packing ring (56).
9, according to claim 1,2 or 3 described pairs of brush electric toothbrushes, it is characterized in that: the built-in drive axle sleeve (34) of the centre bore (33) of described drive (3), on the fixedly sleeved vertical pivot (13) on handle lower cover (11) of this drive axle sleeve (34), drive (3) can rotate around this vertical pivot (13).
10, according to claim 1,2 or 3 described pairs of brush electric toothbrushes, it is characterized in that: described electric device (2) comprises motor (23), the change-speed gearing group that is connected with the motor power axle, i.e. motor gear (24) and change-speed gearing (25), the output shaft (21) that is convexly set in the vertical eccentric shaft (26) on the change-speed gearing (25), the connecting rod (22) that is connected with eccentric shaft (26) and is connected with this connecting rod (22); Motor (23) drive the change-speed gearing group and on vertical eccentric shaft (26) rotate, eccentric shaft (26) moves up and down by connecting rod (22) drive output shaft (21); The adapter sleeve (7) of a band water proof ring is equipped with in the rear end of described connecting rod assembly (6), compresses into adapter sleeve (7) after output shaft (21) front end sleeve of described electric device (2) is taken over control water jacket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03146981 CN1268302C (en) | 2003-09-25 | 2003-09-25 | Double-head electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03146981 CN1268302C (en) | 2003-09-25 | 2003-09-25 | Double-head electric toothbrush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1528250A CN1528250A (en) | 2004-09-15 |
| CN1268302C true CN1268302C (en) | 2006-08-09 |
Family
ID=34286709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03146981 Expired - Fee Related CN1268302C (en) | 2003-09-25 | 2003-09-25 | Double-head electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1268302C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429739A (en) * | 2011-12-09 | 2012-05-02 | 小林操二 | Electric toothbrush |
| CN106388962A (en) * | 2016-10-14 | 2017-02-15 | 广东新宝电器股份有限公司 | Small-angle left-right rotation device and electric toothbrush utilizing same |
| CN106667606B (en) * | 2017-01-24 | 2019-05-07 | 深圳市同洁科技有限公司 | Electric toothbrush |
| CN106901858B (en) * | 2017-05-05 | 2020-01-07 | 宁波赛嘉电器有限公司 | Double-head toothbrush head and electric toothbrush provided with same |
-
2003
- 2003-09-25 CN CN 03146981 patent/CN1268302C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1528250A (en) | 2004-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7153133B1 (en) | Disposable prophy angle for an electric tooth polisher | |
| BR0314248A (en) | Toothbrush | |
| CN1491622A (en) | Electric tooth brush | |
| CN1596841A (en) | Electric tooth brush | |
| CN1268302C (en) | Double-head electric toothbrush | |
| CN1268301C (en) | Vertical brushing type double-head electric toothbrush | |
| CN2681701Y (en) | electric double-head toothbrush | |
| CN1575141A (en) | Electromotion toothbrush rotatable in positive or reverse direction | |
| CN2623187Y (en) | Vertical brushing electric toothbrush | |
| CN200947904Y (en) | Electric brush | |
| CN2836749Y (en) | Elastomer electric toothbrush | |
| CN2820127Y (en) | Improved electric tooth-brush | |
| CN213607095U (en) | Crank drive type electric toothbrush | |
| CN1778279A (en) | Electric toothbrush | |
| CN2626456Y (en) | Double-head electric toothbrush | |
| CN2722860Y (en) | Electric tooth brush | |
| CN100355403C (en) | Electric tooth brush | |
| CN111568582A (en) | Oral cavity cleaning device | |
| CN201005620Y (en) | Dust wiper for the window groove | |
| CN2606574Y (en) | Brush head of rotary electric tooth-brush machine | |
| CN2724660Y (en) | Electric tooth cleaning apparatus | |
| CN2684788Y (en) | Electric tooth brush | |
| CN2610869Y (en) | Electric toothbrush | |
| CN2607972Y (en) | Motor-driven toothbrush | |
| CN100546551C (en) | A kind of electronic dental scaler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |