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FR2421578A1 - Electric tooth-brush with reversible rotation - has pinions on brush shaft engaging with return pinion - Google Patents

Electric tooth-brush with reversible rotation - has pinions on brush shaft engaging with return pinion

Info

Publication number
FR2421578A1
FR2421578A1 FR7810187A FR7810187A FR2421578A1 FR 2421578 A1 FR2421578 A1 FR 2421578A1 FR 7810187 A FR7810187 A FR 7810187A FR 7810187 A FR7810187 A FR 7810187A FR 2421578 A1 FR2421578 A1 FR 2421578A1
Authority
FR
France
Prior art keywords
brush
pinions
pinion
shaft engaging
reversible rotation
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.)
Granted
Application number
FR7810187A
Other languages
French (fr)
Other versions
FR2421578B1 (en
Inventor
Jean Elie Pichoir
Gilbert Manuel Sopena
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.)
LVOFF JEAN
Original Assignee
LVOFF JEAN
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 LVOFF JEAN filed Critical LVOFF JEAN
Priority to FR7810187A priority Critical patent/FR2421578A1/en
Publication of FR2421578A1 publication Critical patent/FR2421578A1/en
Application granted granted Critical
Publication of FR2421578B1 publication Critical patent/FR2421578B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • A61C17/3418—Rotation around the axis of the toothbrush handle

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

The toothbrush has an electric motor and a rod (3) to which the brush is attached. The movement of the shaft of the motor (1) is transmitted to the brush by two conical pinions (4, 5) on the brush rod and another (2) between these and the motor shaft. When the brush head is pulled forward one pinion (5) engages with the motor shaft through the centre pinion and rotates the same way as the shaft. When the brush head is pushed back the other pinion (4) engages with the other end of the centre pinion and the rotation is reversed.
FR7810187A 1978-04-06 1978-04-06 Electric tooth-brush with reversible rotation - has pinions on brush shaft engaging with return pinion Granted FR2421578A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7810187A FR2421578A1 (en) 1978-04-06 1978-04-06 Electric tooth-brush with reversible rotation - has pinions on brush shaft engaging with return pinion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7810187A FR2421578A1 (en) 1978-04-06 1978-04-06 Electric tooth-brush with reversible rotation - has pinions on brush shaft engaging with return pinion

Publications (2)

Publication Number Publication Date
FR2421578A1 true FR2421578A1 (en) 1979-11-02
FR2421578B1 FR2421578B1 (en) 1982-01-29

Family

ID=9206758

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7810187A Granted FR2421578A1 (en) 1978-04-06 1978-04-06 Electric tooth-brush with reversible rotation - has pinions on brush shaft engaging with return pinion

Country Status (1)

Country Link
FR (1) FR2421578A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0254460A1 (en) * 1986-07-16 1988-01-27 Joaquin L. Misa, Sr. Motor-powered rotary toothbrush

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2051270A (en) * 1934-01-22 1936-08-18 John K Palla Rotary tool
US2279982A (en) * 1939-03-15 1942-04-14 Henry L Glynn Rotary toothbrush
US2618161A (en) * 1950-06-06 1952-11-18 James G Mason Reversible rotary toothbrush
FR1296174A (en) * 1961-07-20 1962-06-15 Self-orienting rotating toothbrush
US3139639A (en) * 1963-06-17 1964-07-07 Albright John Reuben Motor-driven rotary toothbrush with reversing gear
US3235897A (en) * 1964-04-03 1966-02-22 Jerry A Fortenberry Rotary toothbrush for oral hygiene

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2051270A (en) * 1934-01-22 1936-08-18 John K Palla Rotary tool
US2279982A (en) * 1939-03-15 1942-04-14 Henry L Glynn Rotary toothbrush
US2618161A (en) * 1950-06-06 1952-11-18 James G Mason Reversible rotary toothbrush
FR1296174A (en) * 1961-07-20 1962-06-15 Self-orienting rotating toothbrush
US3139639A (en) * 1963-06-17 1964-07-07 Albright John Reuben Motor-driven rotary toothbrush with reversing gear
US3235897A (en) * 1964-04-03 1966-02-22 Jerry A Fortenberry Rotary toothbrush for oral hygiene

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0254460A1 (en) * 1986-07-16 1988-01-27 Joaquin L. Misa, Sr. Motor-powered rotary toothbrush

Also Published As

Publication number Publication date
FR2421578B1 (en) 1982-01-29

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse