US3088148A - Toothbrush attachment - Google Patents

Toothbrush attachment Download PDF

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US3088148A
US3088148A US103482A US10348261A US3088148A US 3088148 A US3088148 A US 3088148A US 103482 A US103482 A US 103482A US 10348261 A US10348261 A US 10348261A US 3088148 A US3088148 A US 3088148A
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slot
socket
attachment
extending
coupling
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US103482A
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Moret Michel
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AESUP Ets
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AESUP Ets
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    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/60—Biased catch or latch

Definitions

  • This invention relates to a toothbrush attachment, and particularly such an atachment for a motor unit having a rotationally oscillatory shaft.
  • an electrically-operated toothbrush comprising a motor unit having a shaft on the end of which a brush head is mounted.
  • the shaft is rotationally oscillated in use, and the corresponding movement of the brush bristles efiects a brushing of the teeth in the longitudinal direction thereof.
  • the brush portion in order to permit the electrically-operated toothbrush to be used by different members of the family, and to permit replacement of Worn brush heads, it is desirable to arrange the brush portion for convenient attachment to the motor unit and removal therefrom. Further, for hygienic reasons it is desirable for the brush attachment to include all portions normally inserted in the mouth. This may be accomplished by providing an attachment having a stem of sufficient length, with the bristles at one end and a coupling at the other end adapted for attachment to the shaft of the motor unit.
  • the coupling should fulfill several requirements. It should permit convenient attachment and removal, and be adapted to rotationally oscillate the brnsh stern in a positive manner without undue wear. It should also resist forces tending to detach the brush from the motor unit when the bristles are presssed against the teeth during cleaning. Finally, it is advantageously designed so that it can be formed by molding in plastic material, so that the attachment unit can be economically manufactured without metal portions which would contact the teeth during the cleaning operation and give rise to discomfort or injury.
  • the present invention provides a toothbrush attachment which meets the foregoing requirements.
  • FIG. 1 is an overall view of the motor unit with the toothbrush attachment in place
  • FIG. 2 is an enlargement of a portion of FIG. 1, with the attachment removed from the motor unit shaft;
  • FIG. 3 is an end view of the toothbrush attachment, taken from the coupling end;
  • FIG. 4 is a view at right angles to FIG. 2, with the attachment in position on the motor unit and portions shown in cross-section;
  • FIG. 5 is an end view of a modified coupling, with the cooperating portion of the motor shaft shown in crosssection.
  • a motor unit is shown in the form of a handle having internal structure for imparting rotational oscillation to shaft 11.
  • the motor unit may be, for example, of the construction shown in the aforesaid US. patent.
  • the end portion 12 of shaft 11 is formed with a noncircular cross-section, and as here shown the cross-section is substantially rectangular.
  • the narrow sides 13 may have a slight curvature.
  • a transversely-extending pin 14 is provided.
  • This is located on one of the wide sides of the shaft end, and spaced a substantial distance from the tip of the shaft.
  • the shaft end may be of plastic material and, for strength, may be molded or otherwise aflixed to a steel core 15, as shown in FIG. 4.
  • the toothbrush attachment comprises a stem 21 on 3,088,148 Patented May 7., p 19 63 "ice one end of which are laterally-extending bristles 22. At the other end is a coupling, generally designated 23.
  • Stem 21 may be of plastic material, such as nylon, with the bristles set in in known manner, and the coupling 23 formed by molding. It is desirable for the mid-portion of stem 21 to be fairly slender so that the brush may readily be inserted in the mouth. However, to provide adequate strength in coupling 23, that end of the stem is enlarged.
  • the coupling comprises a socket 24 of non-circular cross-section adapted to mate with the motor unit shaft end 12.
  • socket 24 has a substantially rectangular cross-section.
  • a longitudinally-extending slot 25 is formed in the wall of the socket, with its open end 26 at the open end of the socket.
  • Opposed transversely-extending recesses 27, 27' are formed in the sides of the slot near the open end 26 thereof, to provide a seat for pin 14 when in mating position.
  • the dimensions of the slot and recesses are predetermined to yieldably secure the toothbrush attachment on the motor unit shaft when in mating position.
  • the Width of slot 25 is less than that of pin 14, and opening 26 is flared so that the pin can readily enter the slot and be yieldably secured in recesses 27, 27. Due to the resiliency of the material of which the stem is made, the stem 21 can readily be pushed into mating engagement with the motor unit shaft, and removed therefrom. By enlarging the coupling end, the walls are adequately thick to permit repeated attachment and detachment without injury to the coupling, and to exert adequate force on pin 14 to retain the attachment in coupled position.
  • the non-circular cross-section of the socket effectively transmits rotational oscillation from shaft 11 to stem 21, Without requiring the sides of the slot to withstand rotational forces. Thus, the forces due to rotational oscillation do not tend to spread the slot walls and allow the attachment to slip off.
  • slot 25 is on the same side of stem 21 as bristles 22, as best seen in FIG. 4.
  • slot 25 it is advantageous to make the longitudinal extent of slot 25 less than the longitudinal extent of socket 24, as shown.
  • the extreme end of the motor unit shaft will be encircled by the Walls of the socket, and there will be less tendency to spread the slot walls.
  • the walls of the remainder of the slot may be made sufiiciently thick to provide a relatively strong socket, while at the same time providing sufficient resiliency to permit the attachment to be pushed onto the shaft.
  • stem 21 attachment of stem 21 to the motor unit is very simple and convenient. With the parts oriented as shown in FIG. 2, the stem is axially pressed onto the shaft end 12. When slot opening 26 reaches pin 14, the pin pushes aside the lips of the slot and seats in recesses 27, 27'. To separate, the stem is pulled axially away from the motor unit. Despite the relative ease of axial attachment and separation, the coupling effectively transmits rotational oscillation and resists the lever action resulting from. pressing the bristles against the teeth in cleaning.
  • FIG. 5 shows a modification in which the coupling 23' is similar to coupling 23 of the preceding figures, but includes a counter-slot 28 opposite the main slot 25.
  • Counterslot 28 provides somewhat greater flexibility in the sides of slot 25 at theopen end thereof to facilitate attachment and removal.
  • the depth of slot 28 is less than the wall thickness so that adequate wall strength still remains.
  • the toothbrush attachment of FIG. 5 may be employed with the motor shaft end configuration shown in FIGS. 2 and 4.
  • a toothbrush attachment which comprises a stern having laterally-extending bristles at one end thereof and a coupling at the other end thereof, said coupling having a longitudinally-extending, socket of non-circular cross-section, a longitudinally-extending slot in the wall of said socket and open toward said other end of the stem the width of the slot being less than the width of the socket in the corresponding direction, opposed transversely-extending recesses in the sides of said slot near the open end thereof, and a longitudinally-extending counter-slot in the inner wall of said socket on the other side of the socket from said slot, the depth of the counterslot being less than the wall thickness and the width of the counter-slot being less than the width of the socket in the corresponding direction.
  • the motor shaft end 12 may be provided with a pin or tongue 29 which fits in the wide sides thereof and spaced a substantial distance from the end thereof, which attachment comprises a stem of plastic material having laterally-extending bristles at one end thereof and a coupling at the other end thereof, said stem being enlarged at the coupling end thereof, a longitudinally-extending socket in said coupling end having a rectangular cross-section adapted to mate with the motor unit shaft end, the longer cross-sectional dimension of said socket extending generally perpendicular to said bristles, a longitudinally-extending slot in the wall of said socket on the same side of the stem as said bristles and open at the open end of the socket, the width of the slot being less than the widthof the, socket in the corresponding direction, and opposed transversely-extending recesses in the sides of said slot' near the open end thereof adapted to receive

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  • 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)

Description

y 1963 M. MORET TOOTHBRUSH ATTACHMENT Filed April 1'7, 1961 INVENTOR T%S w dn o a N M R O L E T T w? M Y M United States Patent 3,088,148 TOOTHBRUSH ATTACHMENT Michel Moret, Chenes Bougeries, Geneva, Switzerland,
assignor to Etahlissement AESUP, Vaduz, Liechtenstein, a firm of Liechtenstein Filed Apr. 17, 1961, Ser. No. 103,482 2 Claims. (Cl. 15-22) This invention relates to a toothbrush attachment, and particularly such an atachment for a motor unit having a rotationally oscillatory shaft.
In U.S. Patent No. 2,917,758, an electrically-operated toothbrush is described comprising a motor unit having a shaft on the end of which a brush head is mounted. The shaft is rotationally oscillated in use, and the corresponding movement of the brush bristles efiects a brushing of the teeth in the longitudinal direction thereof.
in order to permit the electrically-operated toothbrush to be used by different members of the family, and to permit replacement of Worn brush heads, it is desirable to arrange the brush portion for convenient attachment to the motor unit and removal therefrom. Further, for hygienic reasons it is desirable for the brush attachment to include all portions normally inserted in the mouth. This may be accomplished by providing an attachment having a stem of sufficient length, with the bristles at one end and a coupling at the other end adapted for attachment to the shaft of the motor unit.
For greatest usefulness, the coupling should fulfill several requirements. It should permit convenient attachment and removal, and be adapted to rotationally oscillate the brnsh stern in a positive manner without undue wear. It should also resist forces tending to detach the brush from the motor unit when the bristles are presssed against the teeth during cleaning. Finally, it is advantageously designed so that it can be formed by molding in plastic material, so that the attachment unit can be economically manufactured without metal portions which would contact the teeth during the cleaning operation and give rise to discomfort or injury.
The present invention provides a toothbrush attachment which meets the foregoing requirements.
In the drawings:
FIG. 1 is an overall view of the motor unit with the toothbrush attachment in place;
FIG. 2 is an enlargement of a portion of FIG. 1, with the attachment removed from the motor unit shaft;
FIG. 3 is an end view of the toothbrush attachment, taken from the coupling end;
FIG. 4 is a view at right angles to FIG. 2, with the attachment in position on the motor unit and portions shown in cross-section; and
FIG. 5 is an end view of a modified coupling, with the cooperating portion of the motor shaft shown in crosssection.
Referring to FIGS. 1-4, a motor unit is shown in the form of a handle having internal structure for imparting rotational oscillation to shaft 11. The motor unit may be, for example, of the construction shown in the aforesaid US. patent.
The end portion 12 of shaft 11 is formed with a noncircular cross-section, and as here shown the cross-section is substantially rectangular. The narrow sides 13 may have a slight curvature. A transversely-extending pin 14 is provided. Advantageously this is located on one of the wide sides of the shaft end, and spaced a substantial distance from the tip of the shaft. The shaft end may be of plastic material and, for strength, may be molded or otherwise aflixed to a steel core 15, as shown in FIG. 4.
The toothbrush attachment comprises a stem 21 on 3,088,148 Patented May 7., p 19 63 "ice one end of which are laterally-extending bristles 22. At the other end is a coupling, generally designated 23. Stem 21 may be of plastic material, such as nylon, with the bristles set in in known manner, and the coupling 23 formed by molding. It is desirable for the mid-portion of stem 21 to be fairly slender so that the brush may readily be inserted in the mouth. However, to provide adequate strength in coupling 23, that end of the stem is enlarged.
The coupling comprises a socket 24 of non-circular cross-section adapted to mate with the motor unit shaft end 12. As here shown, socket 24 has a substantially rectangular cross-section. =A longitudinally-extending slot 25 is formed in the wall of the socket, with its open end 26 at the open end of the socket. Opposed transversely-extending recesses 27, 27' are formed in the sides of the slot near the open end 26 thereof, to provide a seat for pin 14 when in mating position.
The dimensions of the slot and recesses are predetermined to yieldably secure the toothbrush attachment on the motor unit shaft when in mating position. As shown, the Width of slot 25 is less than that of pin 14, and opening 26 is flared so that the pin can readily enter the slot and be yieldably secured in recesses 27, 27. Due to the resiliency of the material of which the stem is made, the stem 21 can readily be pushed into mating engagement with the motor unit shaft, and removed therefrom. By enlarging the coupling end, the walls are adequately thick to permit repeated attachment and detachment without injury to the coupling, and to exert adequate force on pin 14 to retain the attachment in coupled position.
The non-circular cross-section of the socket effectively transmits rotational oscillation from shaft 11 to stem 21, Without requiring the sides of the slot to withstand rotational forces. Thus, the forces due to rotational oscillation do not tend to spread the slot walls and allow the attachment to slip off.
When the toothbrush is in use, the bristless 22 will be pressed against the teeth, and consequently there will be a lever action at the coupling end 23. In order to prevent this lever action from detaching the stem, it is ad vantageous to locate slot 25 in a longitudinal plane through the stern which is generally parallel to bristles 22, and preferably on the same side of stem 21 as the bristles. Thus, in the specific embodiment shown slot 25 is on the same side of stem 21 as bristles 22, as best seen in FIG. 4.
To further resist lever action, it is advantageous to make the longitudinal extent of slot 25 less than the longitudinal extent of socket 24, as shown. Thus, when the attachment is in mating position, the extreme end of the motor unit shaft will be encircled by the Walls of the socket, and there will be less tendency to spread the slot walls. Further, by positioning the pin-engaging recesses 27, 27' near the open end 26 of the slot, the walls of the remainder of the slot may be made sufiiciently thick to provide a relatively strong socket, while at the same time providing sufficient resiliency to permit the attachment to be pushed onto the shaft.
It will be seen that attachment of stem 21 to the motor unit is very simple and convenient. With the parts oriented as shown in FIG. 2, the stem is axially pressed onto the shaft end 12. When slot opening 26 reaches pin 14, the pin pushes aside the lips of the slot and seats in recesses 27, 27'. To separate, the stem is pulled axially away from the motor unit. Despite the relative ease of axial attachment and separation, the coupling effectively transmits rotational oscillation and resists the lever action resulting from. pressing the bristles against the teeth in cleaning.
FIG. 5 shows a modification in which the coupling 23' is similar to coupling 23 of the preceding figures, but includes a counter-slot 28 opposite the main slot 25. Counterslot 28 provides somewhat greater flexibility in the sides of slot 25 at theopen end thereof to facilitate attachment and removal. The depth of slot 28 is less than the wall thickness so that adequate wall strength still remains.
The toothbrush attachment of FIG. 5 may be employed with the motor shaft end configuration shown in FIGS. 2 and 4.
counter-slot 28 when in mating engagement. This further assures positive rotational oscillation of the toothbrush attachment without wear of the coupling or tendeney to spread the walls of slot 25.
I claim: 7
1. A toothbrush attachment which comprises a stern having laterally-extending bristles at one end thereof and a coupling at the other end thereof, said coupling having a longitudinally-extending, socket of non-circular cross-section, a longitudinally-extending slot in the wall of said socket and open toward said other end of the stem the width of the slot being less than the width of the socket in the corresponding direction, opposed transversely-extending recesses in the sides of said slot near the open end thereof, and a longitudinally-extending counter-slot in the inner wall of said socket on the other side of the socket from said slot, the depth of the counterslot being less than the wall thickness and the width of the counter-slot being less than the width of the socket in the corresponding direction.
2. A toothbrush attachment for a motor unit having a rotationally oscillatory shaft end of rectangular crosssection with 'a transversely-extending pin in one of the If desired, however, the motor shaft end 12, may be provided with a pin or tongue 29 which fits in the wide sides thereof and spaced a substantial distance from the end thereof, which attachment comprises a stem of plastic material having laterally-extending bristles at one end thereof and a coupling at the other end thereof, said stem being enlarged at the coupling end thereof, a longitudinally-extending socket in said coupling end having a rectangular cross-section adapted to mate with the motor unit shaft end, the longer cross-sectional dimension of said socket extending generally perpendicular to said bristles, a longitudinally-extending slot in the wall of said socket on the same side of the stem as said bristles and open at the open end of the socket, the width of the slot being less than the widthof the, socket in the corresponding direction, and opposed transversely-extending recesses in the sides of said slot' near the open end thereof adapted to receive the transversely-extending pin on the motor unit shaft, said slot being dimensioned to yieldably secure the toothbrush attachment on the motor unit shaft when in mating position therewith and the.
longitudinal dimension of said slot being less than the longitudinal dimension of said socket, and a longitudinallyeXtending counter-slot in the inner wall of said socket on the other side of the socket from said slot, the depth of the counter-slot being less than the wall thickness and the width of the counter-slot being less than the width of the socket in the corresponding direction.
References Cited in the file of this patent UNITED STATES PATENTS 2,130,661 Zaelest Sept. 20, 1938 2,158,738 Baker et a1. May 16, 1939 2,206,726 Lasater July 2, 1940

Claims (1)

1. A TOOTHBRUSH ATTACHMENT WHICH COMPRISES A STEM HAVING LATERALLY-EXTENDING BRISTLES AT ONE END THEREOF AND A COUPLING AT THE OTHER END THEREOF, SAID COUPLING HAVING A LONGITUDINALLY-EXTENDING SOCKET OF NON-CIRCULAR CROSS-SECTION, A LONGITUDINALLY-EXTENDING SLOT IN THE WALL OF SAID SOCKET AND OPEN TOWARD SAID OTHER END OF THE STEM THE WIDTH OF THE SLOT BEING LESS THAN THE WIDTH OF THE SOCKET IN THE CORRESPONDING DIRECTION, OPPOSED TRANSVERSELY-EXTENDING RECESSES IN THE SIDES OF SAID SLOT NEAR THE OPEN END THEREOF, AND A LONGITUDINALLY-EXTENDING COUNTER-SLOT IN THE INNER WALL OF SAID SOCKET ON THE OTHER SIDE OF THE SOCKET FROM SAID SLOT, THE DEPTH OF THE COUNTERSLOT BEING LESS THAN THE WALL THICKNESS AND THE WIDTH OF THE COUNTER-SLOT BEING LESS THAN THE WIDTH OF THE SOCKET IN THE CORRESPONDING DIRECTION.
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Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3182345A (en) * 1963-05-17 1965-05-11 Westinghouse Electric Corp Means for attaching appliance handles to a power drive shank
US3256031A (en) * 1963-07-31 1966-06-14 Dominion Electric Corp Coupling structure
DE1246667B (en) * 1963-10-04 1967-08-10 Sunbeam Corp Driven toothbrush or the like.
US3369265A (en) * 1966-07-07 1968-02-20 Vistron Corp Universal toothbrush head
US3400417A (en) * 1966-11-01 1968-09-10 Aesup Ets Toothbrush attachment for an electric toothbrush
US3662463A (en) * 1969-08-22 1972-05-16 Meyer Ushkow Spoon
US3927435A (en) * 1972-12-20 1975-12-23 Prod Associes Sa Toothbrush stem attachment
FR2325335A1 (en) * 1975-09-26 1977-04-22 Lpa Les Produits Associes Plug for electric toothbrushes - has instrument shaft with axial opening at rear and enclosing wall with longitudinal slot
FR2476994A1 (en) * 1980-03-03 1981-09-04 Walther Buerstenfab ELECTRIC HAND APPARATUS, PARTICULARLY ELECTRIC TOOTHBRUSH
US4683604A (en) * 1985-03-26 1987-08-04 Rueb Fritz A Toothbrush with exchangeable bristle carrier
US5365627A (en) * 1993-07-22 1994-11-22 Les Produits Associes. Lpa-Broxo S.A. Stem brush with automatic insertion system
US20030208863A1 (en) * 2002-05-09 2003-11-13 Carl Green Mechanically-driven toothbrush with improved brushing action
US6651346B1 (en) 2001-11-13 2003-11-25 Sturgis Tools, Inc. Hand tool with interchangeable implements
US20060064878A1 (en) * 2004-09-28 2006-03-30 Wahl Clipper Corporation Driving member for hair cutting device with replaceable tip
US7070354B1 (en) * 2004-11-10 2006-07-04 Gustavo Gutierrez-Caro Power operable dispensing toothbrush
US20070256262A1 (en) * 2006-05-08 2007-11-08 Moss David B Toothbrush with rotating upper section
US20080250583A1 (en) * 2007-04-10 2008-10-16 Carl Green Motor-powered toothbrush with improved brushing action
US20100160841A1 (en) * 2008-12-24 2010-06-24 Dong-Her Wu Massaging Device That Is Assembled and Disassembled Easily and Quickly
WO2012174671A1 (en) * 2011-06-21 2012-12-27 Anne-Laure Benardeau Hand-held utensil, in particular an item of tableware
WO2013101300A1 (en) * 2011-12-28 2013-07-04 Colgate-Palmolive Company Replacement head for an oral care implement, and oral care implement and method of utilizing the same
US20140115801A1 (en) * 2012-10-31 2014-05-01 Zila, Inc. Electric toothbrush attachment mechanism
US20150113747A1 (en) * 2013-10-25 2015-04-30 Quip NYC Inc. Toothbrush
US20150209125A1 (en) * 2012-12-11 2015-07-30 Colgate-Palmolive Company Oral care implement
EP3090650A1 (en) 2015-05-04 2016-11-09 Trisa Holding AG Electric appliance for the body in particular for facial care
USD774771S1 (en) * 2011-12-28 2016-12-27 Colgate-Palmolive Company Portion of a brush head for electric toothbrush
USD775835S1 (en) * 2011-12-28 2017-01-10 Colgate-Palmolive Company Portion of brush head for electric toothbrush
CN108471869A (en) * 2015-12-01 2018-08-31 高露洁-棕榄公司 Replace head and the oral care implement including replacing head
US20180368959A1 (en) * 2017-06-27 2018-12-27 Braun Gmbh Coupling mechanism for electric toothbrush
US20180368562A1 (en) * 2017-06-27 2018-12-27 Braun Gmbh Refill for electric toothbrush
US20180368960A1 (en) * 2017-06-27 2018-12-27 Braun Gmbh Electric toothbrush
US20190175320A1 (en) * 2017-12-12 2019-06-13 Colgate-Palmolive Company Oral care implement and handle and refill head thereof
US10603150B2 (en) 2017-12-12 2020-03-31 Colgate-Palmolive Company Oral care implement
US10603147B2 (en) 2017-12-12 2020-03-31 Colgate-Palmolive Company Oral care implement
US10631964B2 (en) 2017-12-12 2020-04-28 Colgate-Palmolive Company Oral care implement
US10709533B2 (en) 2017-12-12 2020-07-14 Colgate-Palmolive Company Oral care implement and handle and refill head thereof
US11246403B2 (en) 2018-01-31 2022-02-15 Quip NYC Inc. Toothbrush system
USD960582S1 (en) 2020-12-10 2022-08-16 Colgate-Palmolive Company Oral care refill head
USD997567S1 (en) 2018-12-18 2023-09-05 Colgate-Palmolive Company Electric toothbrush

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2130661A (en) * 1933-11-14 1938-09-20 John Vanderkamp Tooth brush
US2158738A (en) * 1936-12-21 1939-05-16 Rollyn H Baker Motor operated tooth brush
US2206726A (en) * 1938-03-18 1940-07-02 Robert L Lasater Rubber toothbrush

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2130661A (en) * 1933-11-14 1938-09-20 John Vanderkamp Tooth brush
US2158738A (en) * 1936-12-21 1939-05-16 Rollyn H Baker Motor operated tooth brush
US2206726A (en) * 1938-03-18 1940-07-02 Robert L Lasater Rubber toothbrush

Cited By (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3182345A (en) * 1963-05-17 1965-05-11 Westinghouse Electric Corp Means for attaching appliance handles to a power drive shank
US3256031A (en) * 1963-07-31 1966-06-14 Dominion Electric Corp Coupling structure
DE1246667B (en) * 1963-10-04 1967-08-10 Sunbeam Corp Driven toothbrush or the like.
US3369265A (en) * 1966-07-07 1968-02-20 Vistron Corp Universal toothbrush head
US3400417A (en) * 1966-11-01 1968-09-10 Aesup Ets Toothbrush attachment for an electric toothbrush
US3662463A (en) * 1969-08-22 1972-05-16 Meyer Ushkow Spoon
US3927435A (en) * 1972-12-20 1975-12-23 Prod Associes Sa Toothbrush stem attachment
FR2325335A1 (en) * 1975-09-26 1977-04-22 Lpa Les Produits Associes Plug for electric toothbrushes - has instrument shaft with axial opening at rear and enclosing wall with longitudinal slot
FR2476994A1 (en) * 1980-03-03 1981-09-04 Walther Buerstenfab ELECTRIC HAND APPARATUS, PARTICULARLY ELECTRIC TOOTHBRUSH
US4683604A (en) * 1985-03-26 1987-08-04 Rueb Fritz A Toothbrush with exchangeable bristle carrier
US5365627A (en) * 1993-07-22 1994-11-22 Les Produits Associes. Lpa-Broxo S.A. Stem brush with automatic insertion system
US6651346B1 (en) 2001-11-13 2003-11-25 Sturgis Tools, Inc. Hand tool with interchangeable implements
US20030208863A1 (en) * 2002-05-09 2003-11-13 Carl Green Mechanically-driven toothbrush with improved brushing action
US6785926B2 (en) * 2002-05-09 2004-09-07 Carl Green Mechanically-driven toothbrush with improved brushing action
US7624506B2 (en) * 2004-09-28 2009-12-01 Wahl Clipper Corporation Driving member for hair cutting device with replaceable tip
US20060064878A1 (en) * 2004-09-28 2006-03-30 Wahl Clipper Corporation Driving member for hair cutting device with replaceable tip
US7070354B1 (en) * 2004-11-10 2006-07-04 Gustavo Gutierrez-Caro Power operable dispensing toothbrush
US20070256262A1 (en) * 2006-05-08 2007-11-08 Moss David B Toothbrush with rotating upper section
US20080250583A1 (en) * 2007-04-10 2008-10-16 Carl Green Motor-powered toothbrush with improved brushing action
US20100160841A1 (en) * 2008-12-24 2010-06-24 Dong-Her Wu Massaging Device That Is Assembled and Disassembled Easily and Quickly
WO2012174671A1 (en) * 2011-06-21 2012-12-27 Anne-Laure Benardeau Hand-held utensil, in particular an item of tableware
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