EP2871997A1 - Lime à ongles motorisée - Google Patents

Lime à ongles motorisée

Info

Publication number
EP2871997A1
EP2871997A1 EP20130819390 EP13819390A EP2871997A1 EP 2871997 A1 EP2871997 A1 EP 2871997A1 EP 20130819390 EP20130819390 EP 20130819390 EP 13819390 A EP13819390 A EP 13819390A EP 2871997 A1 EP2871997 A1 EP 2871997A1
Authority
EP
European Patent Office
Prior art keywords
nail file
file head
housing
abrasive surface
stem
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.)
Withdrawn
Application number
EP20130819390
Other languages
German (de)
English (en)
Other versions
EP2871997A4 (fr
Inventor
Thomas P. FITZSIMONS
Jamie Edward GEWIRTZ
Paul A. Haslanger
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.)
KERATHIN LLC
Original Assignee
KERATHIN LLC
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 KERATHIN LLC filed Critical KERATHIN LLC
Publication of EP2871997A1 publication Critical patent/EP2871997A1/fr
Publication of EP2871997A4 publication Critical patent/EP2871997A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D29/00—Manicuring or pedicuring implements
    • A45D29/04—Nail files, e.g. manually operated
    • A45D29/05—Nail files, e.g. manually operated motor-driven
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D29/00—Manicuring or pedicuring implements
    • A45D29/02—Nail clippers or cutters
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D29/00—Manicuring or pedicuring implements
    • A45D29/06—Nail-tip shapers
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D29/00—Manicuring or pedicuring implements
    • A45D29/11—Polishing devices for nails
    • A45D29/14—Polishing devices for nails motor-driven
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D29/00—Manicuring or pedicuring implements
    • A45D29/04—Nail files, e.g. manually operated
    • A45D2029/045—Details of the surface of the nail file

Definitions

  • the present invention generally relates to motorized nail files.
  • an apparatus comprising: a housing having a shape and size suitable for being held in a single hand of a user; a nail file head coupled to the housing; an electric drive device contained within the housing and configured to rotationally oscillate the nail file head about an axis; and an abrasive surface coupled to the nail file head and configured to trim or smooth a fingernail or toenail when the nail file head is oscillated, the abrasive surface extending around and facing radially away from the axis.
  • the one or more radially extending features includes one or more axially extending grooves.
  • the stem is configured to couple with the housing in two or more different, predetermined, radial positions. In one embodiment, the stem is configured to couple with the housing in four or more different, predetermined, radial positions. In one embodiment, the stem is coupled to a clutch that is configured to allow a user to twist the nail file head between two or more different, predetermined, radial positions relative to the housing. In one embodiment, the stem is configured to snap fit into the housing.
  • an apparatus comprising: a nail file head configured to rotationally oscillate about an axis; a first abrasive surface coupled to the nail file head and configured to trim or smooth a fingernail or toenail when the nail file head is oscillated; a second abrasive surface coupled to the nail file head and configured to trim or smooth a fingernail or toenail when the nail file head is oscillated; and a stem extending from the nail file head and configured to releasably couple the nail file head to a housing, the stem including two or more axially extending grooves and a bulbous proximal tip, the two or more axially extending grooves configured to mate with one or more corresponding axially extending projections of the housing, the bulbous proximal tip configured to snap fit into the housing upon coupling the nail file head with the housing.
  • a method of filing or trimming a fingernail or toenail comprising: oscillating a nail file head about an axis, a distal end and a proximal end, the proximal end of the nail file head configured to be coupled to a housing, the nail file head having a first abrasive surface coupled to a distal end of the nail file head and perpendicular to the axis and a second abrasive surface coupled to the nail file head, the second abrasive surface extending around and facing radially away from the axis; and contacting one of the first or second abrasive surfaces with the fingernail or toenail to trim or file the fingernail or toenail.
  • FIG. 3 is a perspective view of a nail file head in accordance with another exemplary embodiment of the present invention.
  • FIG. 4 is a perspective view of a nail file head in accordance with another exemplary embodiment of the present invention.
  • FIG. 6 is a perspective view of a nail file head in accordance with another exemplary embodiment of the present invention.
  • Fig. 7 is a perspective view of a boss of the motorized nail file shown in Fig. 1 ;
  • Fig. 8 is a perspective view of a boss in accordance with another exemplary embodiment of the present invention.
  • Fig. 9 is a perspective view of a boss in accordance with another exemplary embodiment of the present invention.
  • Motorized nail files are used to apply a moving abrasive surface to a finger or toe nail. Oscillating tools are able to accomplish this task while lessening the potential of physical damage (e.g., cuts, bleeding, bruising) to surrounding skin. Motorized nail files are particularly useful to trim nails of others including pets, children, the elderly, patrons at a salon and the infirm.
  • a motorized nail file is disclosed in U.S. Patent No. 7, 188,628, which is hereby incorporated by reference in its entirety.
  • nail file 10 includes a spindle such as a nail file head 12 configured to trim, smooth or file a person's or animal's fingernail or toenail 20 when nail file head 12 is oscillated about axis A.
  • nail file head 12 includes an abrasive surface 22a such as sanding paper, an emery board, or other abrasive compound.
  • nail file head 12 is driven by an electric drive device 28 such as a motor.
  • motor 28 is powered by a battery 30.
  • abrasive surface 22a is oscillated or vibrated by a predetermined speed and a predetermined action, and includes a selected texture to remove portions of nail 20 while maintaining the surrounding epidermal tissue of a hand 24 substantially free from any physical damage.
  • nail file 10 is a small handheld battery powered or corded device that safely trims people's nails by leveraging certain physical properties of the skin and nail tissue.
  • a trimming action is driven by a motor 28 of appropriate speed and torque and a mechanism that converts the rotation of the motor shaft to an oscillating action.
  • nail file head 12 oscillates with a frequency and stroke that optimizes the trimming of the nail while not adversely affecting surrounding skin. Because of the soft and supple nature of the skin, the oscillating action of nail file head 12 vibrates or shifts the skin back and forth while the more rigid nail 20 is filed or trimmed.
  • nail file 10 includes a housing 16.
  • housing 16 is shape and size suitable for being held in a single hand 26 of a user.
  • nail file head 12 is coupled to housing 16 via a boss 14.
  • nail file head 12 is releasably coupled to housing 16 as described further below.
  • a release button 18 extends from housing 16.
  • release button 18 is used to release nail file head 12 from boss 14.
  • nail file 10 includes a power switch 32.
  • power switch 32 turns motor 28 ON/OFF. In other embodiments, the speed of motor 28 is controlled by switch 32 or an additional control such as a speed control.
  • nail file head 12 oscillates about axis A. In other embodiments, nail file head 12 oscillates side to side or about an arc. In one embodiment, nail file head 12 oscillates at a generally constant frequency. In one embodiment, nail file head 12 oscillates at approximately 15 hertz to approximately 20,000 hertz. In one embodiment, a rotary output from motor 28 is converted to the oscillation of nail file head 12. In other embodiments, motor 28 is configured to oscillate. In one embodiment, axis A is generally orthogonal with a longitudinal axis B of housing 16. In one embodiment, axis A is at an oblique angle a with respect to axis B. In one embodiment, angle a as shown is approximately 40 degrees. In one embodiment, angle a is fixed. In one embodiment, angle a is adjustable. In another embodiment, the axis of oscillation is perpendicular to axis A and axis B as shown in Fig. 1.
  • nail file head 12 includes any number and configuration of surfaces to file, trim and smooth nail 20.
  • nail file head 12 includes at least one abrasive surface 22a.
  • nail file head 12 includes two abrasive surfaces 22a, 22b.
  • nail file head 12 includes a buffing surface.
  • abrasive surface 22b is planar.
  • the sidewall portion of nail file head 12 is cylindrical.
  • distal end 12b of nail file head 12 is circular.
  • abrasive surface 22b is circular.
  • distal end 12b of nail file head 12 and/or abrasive surface 22b is semi-spherical, conical or pointed.
  • abrasive surface 22b is perpendicular to axis A. In one embodiment, abrasive surface 22b is the distal most surface extending from nail file head 12. In one embodiment, abrasive surface extends from axis A to an outer perimeter 22c. In one embodiment, abrasive surface 22b includes an aperture 22d (see Fig. 4). In another embodiment, abrasive surface 22b may include a distally extending projection to provide additional abrasive surfaces or edges. In one embodiment, abrasive surface 22b extends to abrasive surface 22a.
  • abrasive surface 22a extends around and faces radially away from axis A.
  • abrasive surface 22a is cylindrically shaped.
  • abrasive surface 22a is a non-cylindrical shape such as rectangular, hourglass or cone.
  • abrasive surface 22a is symmetrical about axis A.
  • a cylindrically shaped abrasive surface 22a provides an abrasive surface along the axial length that moves at a single speed as opposed to abrasive surface 22b that has a surface that moves at different speeds depending on the distance from axis A.
  • abrasive surface 22a is generally perpendicular to abrasive surface 22b.
  • abrasive surface 22a has a different grit than abrasive surface 22b.
  • abrasive surfaces 22a, 22b are comprised of sandpaper.
  • abrasive surfaces 22a, 22b are comprised of stearate coated aluminum oxide paper.
  • abrasive surface 22a is a different grit than abrasive surface 22b.
  • abrasive surface 22a has the same grit than abrasive surface 22b.
  • abrasive surface 22a is approximately 60 grit to approximately 400 grit.
  • abrasive surface 22b is approximately 60 grit to approximately 400 grit.
  • abrasive surface 22b is attached to abrasive surface 22a. In one embodiment, abrasive surface 22b is attached to abrasive surface 22a by an adhesive. In another embodiment, abrasive surface 22b is integral with abrasive surface 22a.
  • nail file head 12 includes a stem 34.
  • stem 34 couples nail file head 12 to housing 16.
  • stem 34 releasably couples nail file head 12 to housing 16.
  • button 18 see Fig. 1
  • stem 34 is rigidly connected to nail file head 12.
  • stem 34 is co-axial with axis A.
  • stem 34 extends from housing 16 and is inserted into a recess within nail file head 12.
  • stem 34 is comprised of a polymeric material.
  • stem 34 is comprised of acrylonitrile butadiene styrene (ABS).
  • stem 34 is comprised of nylon. In one embodiment, stem 34 is comprised of metal. In one embodiment, abrasive surface 22a is provided on a removable sheath that slips over stem 34. In one embodiment, abrasive surface 22a is provided on a sheath that is fixed to stem 34. In one embodiment, abrasive surface 22a is directly attached to stem 34 rather than through a sheath such as paper or cardboard. In one embodiment, abrasive surface 22a includes particles directly attached to stem 34 such as sand, stone or diamond. In one embodiment, abrasive surface 22a is formed from the stem 34 such as sharpened projections or ridges.
  • nail file head 12 includes two or more stems 34 that are inserted into two or more corresponding bosses 14.
  • nail file 10 includes one or more predetermined operating positions. In one embodiment, nail file 10 includes two to four predetermined operating positions. In one embodiment, nail file 10 includes two to four predetermined operating positions. In one
  • nail file 10 includes two to ten predetermined operating positions. In one embodiment, nail file 10 includes two predetermined operating positions where the nail file head 12 is operable, the first operating position being 180 degrees from the second operating position. In one embodiment, nail file 10 includes three predetermined operating positions where the nail file head 12 is operable, the first operating position being 120 degrees from the second operating position. In one embodiment, nail file 10 includes four predetermined operating positions where the nail file head 12 is operable, the first operating position being 90 degrees from the second operating position. In one embodiment, nail file 10 includes five predetermined operating positions where the nail file head 12 is operable, the first operating position being 72 degrees from the second operating position.
  • boss 14 may couple nail file head 12 to motor 28 (see Fig. 1).
  • boss 14 is configured to oscillate about axis A. In other embodiments, boss 14 may be configured to oscillate side to side or about an arc.
  • boss 14 includes a sleeve 50.
  • sleeve 50 is cylindrical.
  • sleeve 50 includes an opening 50a configured to receive stem 34 (see Fig. 1).
  • opening 50a has a tapered surface 50b.
  • tapered surface 50b extends around the entire inner surface of sleeve 50. In other embodiments, tapered surface 50b extends partially around the inner surface of sleeve 50.
  • boss 14 includes a shoe 52 configured to couple to a mechanism coupled to motor 28 (see Fig. 1).
  • an extension 54 couples shoe 52 to sleeve 50.
  • extension 54 includes an aperture 54a (see Figs. 8 and 9).
  • boss 14 includes one or more radially extending features 48. In one embodiment, boss 14 includes two or more radially extending features 48. In one embodiment, boss 14 includes four radially extending features 48. In one embodiment, radially extending features 48 are evenly spaced around the inner surface of sleeve 50. In one embodiment, radially extending features 48 are projections that project radially inwardly from sleeve 50 and extend axially. In other embodiments, radially extending features 48 are outwardly projecting grooves on the inner surface of sleeve 50. In some embodiments, radially extending features 48 include a mix of projections and grooves.
  • radially extending features 48 are triangular projections (see Fig. 7). In one embodiment, radially extending features 48 are rectangular projections (see Fig. 8). In one embodiment, radially extending feature 48 is a spiral projection (see Fig. 9).
  • stem 34 includes one or more radially extending features 42 configured to mate with the one or more corresponding radially extending features 48 of boss 14 (see Fig. 7).
  • radially extending features 42 are inwardly projecting and axially extending grooves.
  • radially extending features 42 are outwardly extending projections.
  • radially extending features 42 include a mix of projections and grooves.
  • radially extending feature 42 is a spiral projection or groove.
  • radially extending features 42 are flared toward their proximal end 42a.
  • the flared proximal end 42a helps to align radially extending feature 42 with radially extending feature 48 when inserting stem 34 into boss 14 (see Fig. 7).
  • the mating of radially extending features 42, 48 prevents nail file head 12 from rotating relative to boss 14 during oscillation.
  • radially extending features 42, 48 are both equal spaced around stem 34 and sleeve 50 respectively such that nail file head 12 can be coupled with boss 14 in two or more predetermined radial configurations.
  • stem 34 is configured to snap fit into boss 14. In one embodiment, a user knows that nail file head 12 is properly coupled with housing 16 upon feeling and/or hearing the stem 34 snap into place.
  • stem 34 includes a bulbous tip 36. In one embodiment, tip 36 is tapered toward proximal end 12a. In one embodiment, stem 34 includes a groove distal to tip 36. In one embodiment, stem 34 includes a tapered portion 40. In one embodiment, tip 36 is configured to engage tapered surface 50b of boss 14.
  • tip 36 is radially larger than the opening formed by tapered surface 50b. In one embodiment, tip 36 is configured to snap fit through the opening formed by tapered surface 50b. In one embodiment, once tip 36 snap fits through the opening formed by tapered surface 50b tapered portion 40 is configured to abut tapered surface 50b. In one embodiment, release button 18 is coupled to tapered surface 50b. In one embodiment, actuating release button 18 moves tapered surface 50b radially outwardly such that tip 36 can be removed from boss 14. In one embodiment, actuating release button 18 also pushes stem 34 out of boss 14 along axis A.
  • boss 14 is comprised of a material having a hardness greater than the stem 34.
  • boss 14 is comprised of metal such as steel or aluminum.
  • the underside of tapered surface 50b is more abrupt than the top such that pulling stem 34 out of boss 14 deforms or partially removes tip 36.
  • stem 34 and/or boss 14 are configured such that stem 34 can only be positioned in each of the predetermined radial positions relative to boss 14 only once. Removing or reducing the coupling indicator between stem 34 and boss 14 such as the snap fit or by preventing repositioning of nail file head 12 prevents reuse of used portions of abrasive surface 22a.
  • stem 34 is configured to confirm to the shape of radially extending feature 48.
  • stem 34 upon inserting stem 34 into sleeve 50 stem 34 engages radially extending feature 48.
  • radially extending feature 48 cuts into the surface of stem 34 and keeps the nail file head 12 in place relative to boss 14 during oscillation.
  • stem 34 is generally smooth.
  • stem 34 tapers toward proximal end 12a.
  • stem 34 is inserted into sleeve 50 until the stem 34 engages radially extending feature 48.
  • stem 34 may be manually twisted relative to housing 16 to further engage stem 34 with radially extending feature 48 in order to change the operating position of nail file head 12 relative to housing 16.
  • nail file head 12 may be pulled from boss 14 without twisting stem 34 relative to boss 14 to strip stem 34 and prevent or indicate subsequent re-use.
  • abrasive surface 22a and/or abrasive surface 22b includes one or more indicia 22f.
  • Indicia 22f may be helpful in determining the position of nail file head 12 relative to housing 16.
  • housing 16 includes corresponding indicia.
  • indicia 22f extends axially along abrasive surface 22a.
  • indicia 22f extends axially along abrasive surface 22b.
  • indicia 22f is a differently colored or patterned line.
  • indicia 22f extends into the entire area between the other sections of abrasive surface 22a, 22b. For example, if nail file head 12 includes four predetermined radial positions with respect to housing 16 than each quadrant may be differently colored or patterned.
  • nail file head 12 includes a cutting tool 44.
  • a distal portion of the nail file head 12 extends radially from axis A further than abrasive surface 22a extends from axis A.
  • cutting tool 44 includes a cutting surface 46.
  • cutting surface 46 includes a blade.
  • cutting surface 46 includes teeth.
  • cutting tool 44 is configured to cut into nail 20.
  • cutting tool 44 extends only on one side of nail file head 12 such that the remainder of nail file head 12 can be used without concern of inadvertently contacting cutting tool 44.
  • nail file head 12 is rotated relative to housing 16 such that cutting tool 44 is placed into the operating position.
  • one or both of a portion of abrasive surface 22a proximate cutting tool 44 or a portion of abrasive surface 22e facing away from cutting tool 44 includes indicia to indicate the position of cutting tool 44 relative to housing 16.
  • portion of abrasive surface 22a facing away from cutting tool 44 may be green and the abrasive surface 22a proximate cutting tool 44 may be red so that the user positions the red surface toward the operating position when using the cutting tool 44 and positions the green surface toward the operating position when not using the cutting tool 44.
  • aperture 22d is configured to attach a tool or surface attachment to distal end 12b of nail file head 12.
  • the surface attachment includes an abrasive surface 22b.
  • the surface attachment is circular.
  • the surface attachment is semi-spherical, conical or pointed. In one
  • a tool or surface is removably secured to aperture 22d.
  • a tool or surface attachment is fixedly secured to aperture 22d.
  • aperture 22d includes one or more keyed features.
  • aperture 22d is configured to receive a tool or surface attachment in two or more predetermined radial positions.
  • a user selects the appropriate nail file head 12.
  • the user then inserts stem 34 into boss 14 of housing 16 with the desired portion of abrasive surface 22a facing nail 20.
  • the user then actuates switch 32 to oscillate nail file head 12 about axis A.
  • the user, holding housing 16 in one hand 26, then brings the oscillating abrasive surface 22a or abrasive surface 22b in contact with nail 20 to trim and/or file nail 20.
  • the user then actuates switch 32 to turn motor 28 OFF.
  • the user pushes release button 18 to remove nail file head 12 from housing 16 and rotates nail file head 12 relative to housing 16 about axis A and re-inserts nail file head 12 into boss 14 of housing 16 with a new desired portion of abrasive surface 22a facing nail 20.
  • nail file head 12 is removed from housing 16 without pressing release button 18 and is replaced with a new nail file head 12.

Landscapes

  • Polishing Bodies And Polishing Tools (AREA)

Abstract

La présente invention a trait à un appareil qui comprend un logement qui est doté d'une forme et d'une taille qui lui permettent d'être tenu dans une seule main d'un utilisateur. Une tête de lime à ongles est couplée au logement. Un dispositif de commande électrique est contenu à l'intérieur du logement et est conçu de manière à osciller de façon rotative la tête de lime à ongles autour d'un axe. Une surface abrasive est couplée à la tête de lime à ongles et est conçue de manière à couper ou à lisser un ongle de la main ou un ongle du pied lorsque la tête de lime à ongles est oscillée. La surface abrasive s'étend autour de l'axe et est radialement orienté à l'opposé de l'axe.
EP13819390.9A 2012-07-16 2013-07-12 Lime à ongles motorisée Withdrawn EP2871997A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261672079P 2012-07-16 2012-07-16
PCT/US2013/050219 WO2014014755A1 (fr) 2012-07-16 2013-07-12 Lime à ongles motorisée

Publications (2)

Publication Number Publication Date
EP2871997A1 true EP2871997A1 (fr) 2015-05-20
EP2871997A4 EP2871997A4 (fr) 2016-06-22

Family

ID=49949180

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13819390.9A Withdrawn EP2871997A4 (fr) 2012-07-16 2013-07-12 Lime à ongles motorisée

Country Status (3)

Country Link
US (1) US20150173484A1 (fr)
EP (1) EP2871997A4 (fr)
WO (1) WO2014014755A1 (fr)

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WO2014014755A1 (fr) 2014-01-23
EP2871997A4 (fr) 2016-06-22
US20150173484A1 (en) 2015-06-25

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