WO2003000090A1 - Brosse a dents automatique - Google Patents

Brosse a dents automatique Download PDF

Info

Publication number
WO2003000090A1
WO2003000090A1 PCT/KR2002/001194 KR0201194W WO03000090A1 WO 2003000090 A1 WO2003000090 A1 WO 2003000090A1 KR 0201194 W KR0201194 W KR 0201194W WO 03000090 A1 WO03000090 A1 WO 03000090A1
Authority
WO
WIPO (PCT)
Prior art keywords
toothbrush
large gear
ratchet
shaft
toothbrush head
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.)
Ceased
Application number
PCT/KR2002/001194
Other languages
English (en)
Inventor
Geunjae Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of WO2003000090A1 publication Critical patent/WO2003000090A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/24—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously

Definitions

  • the present invention relates to an automatic toothbrush, and more particularly, to an automatic toothbrush which can be used for cleaning one's teeth by converting elastic energy of a spiral spring into rotational energy to rotate a toothbrush head.
  • a toothbrush has an elongated handle and a toothbrush head with bristles formed on a front end of the handle and is used in such a way that a user holds the handle in hand and brushes his/her teeth with the bristles of the toothbrush head to remove food particles and dental plaque on or between his/her teeth.
  • the conventional automatic toothbrush is largely classified into two type toothbrushes, i.e., one which rotates the bristles thereof using a storage battery or a dry battery and the other which rotates the bristles using a hydraulic pressure.
  • the battery-powered automatic toothbrush is effective in cleaning the teeth since the bristles of the toothbrush rotate by means of a motor.
  • the conventional battery-powered automatic toothbrush has a disadvantage of high purchasing costs since a reducer and a battery charger including the motor are also needed. It has another disadvantage of requiring a cost of maintenance since it utilizes electricity and the battery to drive the motor. It has still another disadvantage of increasing the possibility of failure unless measures for waterproofing, insect-proofing, and electric discharge are taken.
  • the hydraulically actuated toothbrush can be used without electricity. But, it is complex in structure due to the use of a hose and water, and fails to put to practical use due to troublesomeness in use.
  • the present invention is directed to an automatic toothbrush that substantially obviates one or more problems due to limitations and disadvantages of the related art.
  • An object of the present invention is to provide an automatic toothbrush which can be used for cleaning one's teeth in such a manner that a plurality of large and small gears and a spiral spring are installed inside a toothbrush body to be coupled to a cone-shaped toothbrush head with bristles, the spiral spring is manually wound to produce elastic energy, and then the elastic energy of the spiral spring is converted into rotational energy upon brushing the teeth to rotate the cone-shaped toothbrush head.
  • an automatic toothbrush comprising: a clutch section including a ratchet drum on which a plurality of ratchets are elastically mounted by a spring in such a manner that the external end of a spiral spring is fixed to the inner wall of a toothbrush body and the internal end of the spiral spring is fixed to a first shaft, a switch which has a braking unit and a stopper fixedly mounted thereon, the braking unit being mounted on the first shaft, and a ratchet recess drum which has a plurality of ratchet recesses formed on the inner circumferential surface thereof and a plurality of stopper recesses formed on the outer circumferential surface thereof; a toothbrush head driving section including a large gear mounted on a second shaft connected to the central portion of the ratchet recess drum, a small gear to which a toothbrush head driving shaft is at one end fixed and which is engaged with the large gear
  • FIG. 1 is a perspective view illustrating the outer construction of the present invention
  • FIG. 2 is a perspective view illustrating the inner construction of the present invention
  • FIG. 3 is a cross-sectional view illustrating the inner construction of the present invention.
  • FIG. 4 is a cross-sectional view taken along the line A- A of FIG. 3;
  • FIGs. 5 and 6 are side views illustrating the states before and after a switch is actuated according to the present invention, respectively;
  • FIG. 7 is a cross-sectional view illustrating the coupling relation between a toothbrush driving shaft and a cone-shaped toothbrush head.
  • a spiral spring 2 is fixed to the inner wall of a toothbrush body 1 while the internal end of the spiral spring is fixed to a first shaft 3.
  • a spiral spring winding section is formed on one side of the spiral spring 2 and a clutch section and a toothbrush head driving section are formed on the other side thereof opposite to the spiral spring winding section.
  • the clutch section includes an on-off switch 4, a ratchet dram 5, and a ratchet recess drum 6.
  • the on-off switch 4 includes a stopper 8 and a braking unit 7 which is mounted on the first shaft 3 that connects the spiral spring 2 and the ratchet drum 5.
  • a plurality of ratchets 9 mounted on the ratchet drum 5 are coupled to a spring 10, such that they are maintained in a spread state unless an external force is applied thereto.
  • the ratchet recess drum 6 has a plurality of ratchet recesses 11 formed on the inner circumferential surface thereof so that the ratchets 9 can be inserted into the ratchet recesses 11, and a plurality of stopper recesses 12 formed on the external circumferential surface thereof.
  • the toothbrush head driving section includes a large gear 14 mounted on a second shaft 13 connected to the central portion of the ratchet recess drum 6, a small gear 16 to which a toothbrush head driving shaft 15 is at one end fixed and which is engaged with the large gear 14, the toothbrush head driving shaft 15 having a square recess 17 formed at the other end thereof, and a cone-shaped toothbrush head 19 with bristles having a square coupling mechanism 18 formed thereon so that it is fitted into the square recess 17.
  • the spiral spring winding section includes a grip formed on the end portion of the toothbrush body 1, a first large gear 21 coupled to the grip 20, a first small gear 22 engaged with the first large gear 21, a second large gear 23 coupled to the first small gear 22, and a second small gear 24 engaged with the second large gear 23 and rotatably mounted on the first shaft 3 which is fixed to the internal end of the spiral spring 2.
  • An unexplained reference numeral 50 denotes a cone-shaped toothbrush head cover. The operation of the automatic toothbrush constructed as above will be explained in detail hereinbelow.
  • a step for preparing for a driving force for rotating the cone-shaped toothbrush head 19 is needed.
  • the switch 4 is pushed up to the position OFF such that the stopper 8 is inserted into one of the stopper recesses 12 formed on the ratchet recess drum 6, thereby preventing the ratchet drum 6 from rotating.
  • the small gear 16 coupled to the toothbrush head driving shaft 15 rotates through the large gear 14, and finally the cone-shaped toothbrush head 19 coupled to the toothbrush head driving shaft 15 rotates, whereby the user can brush his/her teeth.
  • the rotation of the bristles of the cone- shaped toothbrush head 19 at a suitable speed is determined based on the ratio of the gears but can be affected by a frictional force of the braking unit 7 which is disposed on the lower portion of the switch 4 and mounted on the first shaft 3. In consequence, the proper rotational speed for brushing of teeth can be maintained.
  • the user finishes the brushing he/she pushes up the switch 4 to the position OFF and inserts the stopper 8 to one of the stopper recesses 12 formed on the ratchet recess drum 6 to fix the ratchet drum 5, thereby preventing the ratchet drum from rotating.
  • the square recess 17 is formed on the other end of the toothbrush driving shaft 15 and the square coupling mechanism 18 is formed on the cone-shaped toothbrush head 19, so that the cone-shaped toothbrush head 19 can be easily replaced with new one when being worn.
  • the present invention has an advantage of being inexpensively supplied since the large and small gears and the spiral spring are wound to produce elastic energy and thereafter the elastic energy is converted into rotational energy to rotate the cone-shaped toothbrush head, so that a user can brush his/her teeth.
  • the present invention has a further advantage of being economically used since the costs of maintenance are not incurred.
  • the present invention has another advantage of being semi-permanently used since it is strong enough to resist damp and insects and the cone-shaped toothbrush head can be replaced.
  • the present invention has yet another advantage of helping the user to keep one's teeth and gum healthy since the cone-shaped toothbrush head rotates and the user can properly brush his/her teeth in a natural way.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Brushes (AREA)

Abstract

L'invention concerne une brosse à dents automatique pouvant être utilisée pour nettoyer les dents par la conversion de l'énergie élastique d'un ressort spiralé en énergie rotative. L'invention comporte une partie d'embrayage comprenant une roue à rochets (5), sur laquelle une pluralité de rochets (9) sont montés de manière élastique au moyen d'un ressort (10), un commutateur (4) comportant une unité de freinage (7), et un bloqueur (8) monté fixe sur cette unité, une roue à renfoncements pour rochet (6) comportant une pluralité de renfoncements pour rochet (11) formés sur la surface circonférentielle intérieure de ladite roue, et une pluralité de renfoncements pour bloqueur (12) formés sur la surface circonférentielle extérieure de ladite roue; une partie d'entraînement de tête de brosse à dents comprend un grand pignon (14) monté sur une seconde tige (13) connectée à la partie centrale de la roue à renfoncements pour rochet (6), un petit pignon (16) auquel est fixée une tige d'entraînement de tête de brosse à dents (15) à une extrémité, une tête de brosse à dents de forme conique (19) possédant des poils présentant un mécanisme de couplage carré (18) placé au niveau de la tête (19); une partie d'enroulement de ressort spiralé comprenant un dispositif de serrage (20) formé sur la partie d'extrémité du corps de la brosse à dents (1), un premier pignon large (21) accouplé au dispositif de serrage (20), un premier petit pignon (22) engagé sur le premier grand pignon (21), un second grand pignon (23) accouplé au premier petit pignon (22), et un second petit pignon (24) engagé sur le second grand pignon (23), et monté rotatif sur la première tige (3).
PCT/KR2002/001194 2001-06-25 2002-06-24 Brosse a dents automatique Ceased WO2003000090A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2020010019029U KR200248895Y1 (ko) 2001-06-25 2001-06-25 자동칫솔
KR2001/19029U 2001-06-25

Publications (1)

Publication Number Publication Date
WO2003000090A1 true WO2003000090A1 (fr) 2003-01-03

Family

ID=19708039

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2002/001194 Ceased WO2003000090A1 (fr) 2001-06-25 2002-06-24 Brosse a dents automatique

Country Status (2)

Country Link
KR (1) KR200248895Y1 (fr)
WO (1) WO2003000090A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7310844B1 (en) * 2005-07-13 2007-12-25 Rehco Llc Toothbrush with manual powered movable brush head
US20190083217A1 (en) * 2017-09-15 2019-03-21 Goodwell Inc. Battery-Free Powered Toothbrush
CN110269387A (zh) * 2019-04-25 2019-09-24 武汉塞恩集日用品有限公司 一种可伸缩定时的牙刷
US20200085552A1 (en) * 2017-09-15 2020-03-19 Goodwell Inc. Hand-wound powered toothbrush with replaceable brush head
US20210244104A1 (en) * 2018-07-17 2021-08-12 Philip Morris Products S.A. Cleaning tool for heating element with gears

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603448A (en) * 1985-06-07 1986-08-05 Mtv Associates Rotary electric toothbrush
KR890017047U (ko) * 1988-02-11 1989-09-06 김재덕 수동식 회전치솔
KR890018683U (ko) * 1988-03-02 1989-10-05 김삼길 수동식 칫솔의 회전장치
US5035020A (en) * 1989-09-29 1991-07-30 Gerald Winiewski Rotary toothbrush
US6148462A (en) * 1999-07-27 2000-11-21 Zseng; Chun-Lin Structure of a multifunctional tooth-brush

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603448A (en) * 1985-06-07 1986-08-05 Mtv Associates Rotary electric toothbrush
KR890017047U (ko) * 1988-02-11 1989-09-06 김재덕 수동식 회전치솔
KR890018683U (ko) * 1988-03-02 1989-10-05 김삼길 수동식 칫솔의 회전장치
US5035020A (en) * 1989-09-29 1991-07-30 Gerald Winiewski Rotary toothbrush
US6148462A (en) * 1999-07-27 2000-11-21 Zseng; Chun-Lin Structure of a multifunctional tooth-brush

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7310844B1 (en) * 2005-07-13 2007-12-25 Rehco Llc Toothbrush with manual powered movable brush head
US20190083217A1 (en) * 2017-09-15 2019-03-21 Goodwell Inc. Battery-Free Powered Toothbrush
US20200085552A1 (en) * 2017-09-15 2020-03-19 Goodwell Inc. Hand-wound powered toothbrush with replaceable brush head
CN111093431A (zh) * 2017-09-15 2020-05-01 古德韦尔有限公司 无电池动力牙刷
US20210244104A1 (en) * 2018-07-17 2021-08-12 Philip Morris Products S.A. Cleaning tool for heating element with gears
US12310421B2 (en) * 2018-07-17 2025-05-27 Philip Morris Products S.A. Cleaning tool for heating element with gears
CN110269387A (zh) * 2019-04-25 2019-09-24 武汉塞恩集日用品有限公司 一种可伸缩定时的牙刷

Also Published As

Publication number Publication date
KR200248895Y1 (ko) 2001-11-16

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