Softlines International et. al. v. Ivog et. al

8/13/2019 Softlines International et. al. v. Ivog et. al.

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UNITED STATES DISTRICT COURTSOUTHERN DISTRICT OF NEW YORK

SOFTLINES INTERNATIONAL LLCAND EMJOI INC.

PlaintiffsCivil Action No.

V

IVOG LLC BEAUTYKO USA, INC. andABC CORP.

Plaintiffs Soft Lines In ternational, LLC and Ernjoi , Inc. as andagainst Defendants herein al lege as follows:

PARTIES Plaintiff So ft Lines Interna tional LLC is a limited liabi lity company hav ing a

princ ipal place of business at 2208 Metropo lis Tower, 10 Metropolis Drive Hung Horn, KowloonHong Kong.

2. Plaintiff Emjoi , Inc ., is a New York corporation having a pr inc ipa l place ofbusine ss at 150 East 52nd Street, New York NY 10022 and is the exclusive licen see of PlaintiffSoft Lines International with respect to the patent rights at issue herein.

3. Upon information and be lief, de fendan t Ivog LLC Ivog ) is aNew York lim ited

liab ility company having offices at 244 Fifth Avenue, New York, New York 10001.4. Upon information and belie fi defendant Beautyko USA, Inc. Beautyko) is a

New York corporation having off ices at 57 Watermill Lane, Great Neck New York 11021.

Defendants.

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Case 1:13-cv-07931-TPG Document 1 Filed 11/07/13 Page 1 of 16


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5. Upon information and belief, Defendant ABC Corp is a fictitious entity thatsupplies identical products to Ivog and Beautyko)

JURISDICTION AND VENUE6. This act ion arises under the patent laws of the United States, Title 35 of the

United States Code. This Court has subject matter jurisdiction pursuant to 28 U.S.C. 1331 and1338 a .

7. On information and belief, th is Court ha s personal jurisdiction over Defendantsunder CPLR 301 because defendants are domiciled in the State ofNew York and conductsubstantial business in this forum and under CPLR 302 because this action arises, in whole orin part, from defendants transaction oft business within the State ofNew York and theircommission of tortious acts within the State ofNew York.

8. Venue is proper in this district under 28 U.S.C. S 1391 and 1400 b . Oninformation and belief Defendants have transacted business in this district and has committedand/or induced acts of patent infringement in this district.

COUNT IINFRINGEMENT OF U.S. PATENT NO. 8,551,117

9. Plaintiff Soft Lines is the owner by assignment ofUnited States Patent No.8 551 117 the 117 Patent) entitled Handheld Exfoliating Device, a copy of which is annexedhereto as Exhibit A.

10. Upon information and belief, Defendants are now each infringing the 117 Patentby, among other things, directly or through intermediaries, making, using, importing providing,supplying, distributing selling, and/or offering for sale without authority literally or under the

Beautyko, Ivog and ABC Corp. are collectively referred to as Defendants.



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doctrine of equivalents, products covered by one or more claims of the 117 patent in violation35 U.S.C. 271 a .

11. Upon information and belief, Defendants respective infringing productsincluding without limitation the Ivog Xbuff Heeling Me Softly model, and the BeautykoFoot Doctor Micro Callus Free model are in all material respects identical to one another andhave been supplied from a common source, the actual name of which is currently unknown toPlaintiffs and is identified herein solely as ABC Corp.

12. Plaintiffs have been damaged as a result of the infringing conduct by Defendantsalleged above and, thus, such defendant is liable to Plaintiffs in an amount that adequatelycompensates the for Defendants infringements which by law, cannot be less than a reasonableroyalty, together with interest and costs as fixed by this Court under 35 U.S.C. 284.

13. As a result of Defendants infringing conduct, Plaintiffs are suffering great andirreparable injury and Plaintiffs will continue to suffer such harm unless and until Defendants

infringing activities are enjoined by this Court.14. Plaintiffs have no adequate remedy at law.

PRAYER FOR R LIWHEREFORE, Plaintiffs respectfully request that this Court enter judgment as

follows:15. Finding that one or more claims of the 117 patent have been infringed, either

literally and/or under the doctrine of equivalents, by Defendants;16. Permanently enjoining Defendants and their officers, directors agents, servants,

affiliates, employees, divisions branches, subsidiaries, parents and all others acting in activeconcert therewith from infringement of the 117 patent;

4829-5482-1 398.1



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17 Awarding Plaintiffs all damages to and costs incurred by them because ofDefendants infringing activities and other conduc t complained of herein;

18 Awarding Plaintiffs prejudgment and post judgment interest on the dam agescaused by Defendants infringing ac tivi ties and other condu ct complained of herein;

19 Declaring that th is an except iona l case and awarding Plaintiffs their reasonableattorneys fees and costs in accordance with 35 U.S.C. 285; and

20. Granting Plaintiffs such other and further relief as the Court may deem just andproper under the circumstances.

triable by right.

DEMAND FOR JURY TRIALUnder Fed.R.Civ.P. Rule 38, Plaintiffs reques t a trial by jury of any issues so

Dated: November 7 2013

MoskinHanna

OLEY LARDNER LLP90 Pa rk AvenueNew York, New York 10016212682 7474 rnoskinfoley.comrhannafoley.com ttorneys for PlaintiffsSOFT LINES INTERNATIONAL LLCAND EMJOI, INC.

4829-5482-1398.1



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l l l t t ltUS008551 17B2(12) United States Patent

Yiu(10) Patent No.:(45) Date of Patent:

US 8,551,117 B2Oct. 8, 2013(54) HANDHELD EXFOLIATING DEVICE(75) Inventor: Wai Wah Yiu, Kowloon HK(73) Assignee: Soft Lines Intei-national, Ltd.,

Kowloon HK* Notice: Subject to any disclaimer, the term of thispatent is extended or adjusted under 35

U.S.C. 154(b) by 0 days.(21) AppI. No.: 13/324,935(22) Filed: Dec. 13, 201165 Prior Publicathin Data

US 2012/0226289 Al Sep. 6,2012Related U.S. Application Data

(60) Provisional application No. 61/449,567, flIed on Mar.4,2011.

51 Lnt.Cl.A6IB 17/50 (2006.01)

(52) U.S. Cl.USPC 606/131; 30/43.5

(58) Field ofClassification SearchUSPC 606/131, 133; 30/43.4, 43.5See application file for complete search history.

(56) References CitedU.S. PATENT DOCUMENTS

1,482,837 A 2 1924 Buck2,395,296 A * 2/1946 Schwab2,867,214 A 1/1959 Wilson5,377,699 A 1/1995 Varnum5,918,607 A 7/1999 Zucker6,055,731 A 5/2000 Zucker

6,305,084 81 10/2001 Zucker6,391,034 Bl 5/2002 Adamson etal.6,442,840 B2 9/2002 Zucker6,471,712 B2 * 10/2002 Burres 606/1316,523,546 82 2/2003 Jo et at.6,551,262 81 4/2003 Lechtman7,581,545 B 9/2009 Moldawski et at.

2007/0125097 Al 6/2007 Habatjou

OTHER PUBLICATIONSInternational Search Report and Written Opinion for PCT Application PCT/1B2012/000474, mailed Jul. 12, 2012, 12 pages.Images of a ROTOSHAVE razor believed to be on sale more than oneyear before the filing of the present application, 7 pages, 2010.* cited by examinerPrimary Examiner Victor Nguyen(74) Attorney, Agent, or Firm Foley Lardner LLP(57) ABSTRACTA skin removal device includes a housing having a handleportion, a drum assembly coupled to the handle portion andincluding a drum, the drum having an abrasive outer surfaceconfigured to abrade skin of a user during rotation of thedrum and an electromechanical drive system disposed atleast partially within the housing and configured to rotate thedrum. The drum assembly is moveable in a lateral directionrelative to the handle portion to enable insertion and removalof the drum assembly.

18 Claims, 5 Drawing Sheets

FOREIGN PATENT DOCUMENTSCN 101116576CI 201051937DE 201 04 304DE 20t 04304 UIDE 2020080 05 686JP 2006-055489KR 10-2007-00 17427

2/20084/200 85/20015/20017/200 83/20062/2007

30/41.6

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U.S. tent Oct. 8, 2013 SheetS of 5 US 8 551 117 B2

Exfoliating Head Is Provided

Coupling Exfoliating Head To Drive Shaft

FIG 1

Motor Head Assembly Is Provided100

102

104

106Exfoliating Device Housing Including A Handle Is Provided

Coupling Motor Head Assembly To The Exfoliating 108Device Housing



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US 8,551,117 B21

HANDUELD EXFOLIATING DEVICECROSS-REFERENCE TO RELATED PATENT

APPLICATIONS

The present app]ication claims the benefit of U.S. Provisional Application No . 61/449,567, filed Mar. 4, 2011 whichis incorporated by reference herein in its entirety.

BACKGROUNDThe present disclosure relates generally to the field of

exfoliating devices. The present disclosure relates specifically to a handheld exfoliating device.Outer layers of skin may be removed for a variety of reas on s a nd in a variety of ways. Generally, exfoliation is the

removal of dead skin cells from the skins outer most layersand is part of many cosmetic techniques and procedures.Exfoliation can occur via mechanical removal of t he skin,typically by rubbing t he skin with an abrasive material. Fo rexample, during a pedicure, dead skin from the bottom of thefeet may be removed using a pumice stone. Chemical exfoliant products containing various chemicals such as, salicylicacid, glycolic acid, fruit enzymes, citric acid, or malic acid,can also be used during exfoliation.Various embodiments disclosed herein are directed toimproved exfoliating devices and related methods.

SUMMARYOne embodiment relates to a skin removal device comprising a housing comprising a handle portion; a drum assembly

coupled to the handle portion and comprising a drum havingan abrasive outer surface configured to abrade skin of a userduring rotation of the drum; and an electromechanical drivesystem disposed at least partially within the housing andconfigured to rotate the drum; wherein the drum assembly istnoveable in a lateral direction relative to the handle portion toenable insertion and removal of the drum assembly.Another embodiment relates to an exfoliating device cornpri sing a housing comprising a handle portion and a mounting

bracket extending from the handle portion; a drum assemblycoupled to the handle portion and comprising a cylindricaldrum having an abrasive outer surface configured to abradeskin ofa user during rotation of the drum, the drum comprising an antimicrobial agent; a drive system disposed at leastpartially within the housing and configured to rotate the drum.Another embodiment relates to a skin removal device com

prising a handle portion; a mounting bracket coupled to thehandle portion and having first and second lateral sides; and adntm assembly rotatably coupled to the mounting bracket, thedrum assembly comprising a drum configured to rotate relative to the mounting bracket, the drum comprising an antimicrobial agent; wherein the drum assembly is insertable andremovable in a lateral direction adjacent at least one of thelateral sides of the mounting bracket.

BRIEF DESCRIPTION OF THE DRAWINGSThis application will become more fully understood fromthe following detailed description, taken in conjunction withthe accompanying figures, wherein like reference numerals

refer to like elements.FIG. 1 is a perspective view of a hanctheld exfoliatingdevice according to an exemplary embodiment.

2FIG. 2 is a rear elevation view of the exfoliating device ofFIG. 1 showing a cross-section of a portion of the motor head

assembly taken along line AN-AN shown in PIG. 3.FIG. 3 is a right side view of the exfoliating device of FIG.5 1.

FIG. 4 is a front view ofa motor head assembly for use withan exfoliating device according to an exemplary embodiment.FIG. 5 is a right side view of the motor head assembly ofFIG. 4.10 FIG. 6 is a sectional view of the motor head assembly ofFIG. 4 taken along line A-A shown in FIG. 5.

FIG. 7 is a perspective view of the motor head assembly ofFIG. 4 shown following assembly.FIG. 8 is an exploded view of the motor head assembly ofFIG. 7 showing a partial cut-away view of a exfoliating head,according to an exemplary embodiment.FIG. 9 is a cross-sectional view of a portion of the exfoliating device of FIG. 1 taken along line AM-AM in FIG, 3.

20 FIG. 10 is flow diagram showing assembly of an exfoliating device, according to an exemplary embodiment.DETAILED DESCRIPTION

25 Before turning to the Figures, which illustrale the exemplary embodiments in detail, it should be understood that thepresent application is not limited to the details or methodology set forth in the description or illustrated i n the Figures. Iishould also be understood tha t the tenninology ttsed herein is

o for the purpose of description and illustration only, andshould not be regarded as limiting.Referring to FIG. 1, a skin removal device for removingouter; dead skin cel ls , shown as exfoliating device 10, is

depicted according to an exemplary embodiment. Exfoliating35 device 10 may be configured for various cosmetic treatmentsor pmcedures involving skin removal. For example, exfoliating device 10 may be a pedicure device configured to removeskin from a persons foot. However, in other embodiments,exfoliating device 10 may be configured to remove skin from

40 other parts of the body e.g., hands fa ce , e tc. . A ll suchapplications of device 10 are within the scope of the presentdisclosure. In the embodiments shown in FIGS. 1-9, exfoliatingdevice 10 is a handheld, electric or automatic exfoliatingdevice in which the exfoliating motion is supplied by an

45 electro-mechanical drive mechanism e.g., an electric motor;etc. . In other embodiments, exfoliating device 10 may be amanual, handheld exfoliating device in which the exfoliatingaction is provided manttally. In ye t another embodiment,exfoliating device 10 may be a combination manual, electric

so exfoliating device.According to an exemplary embodiment, exfoliating

device 10 includes a housing 12. Housing 12 generally supports and provides mounting for the various components ofexfoliating device 10. In one embodiment, housing 12 defines

55 a handle portion 14 and a head mounting bracket 16. Handleportion 14 is shaped to provide a comfortable gripping structure to allow a user to hold and to manipulate exfoliatingdevice 10 during use. Handle portion 14 includes a pair ofopposite lateral sides that may include various griping fea

60 tures to facilitate grasping ofhandle portion 14 e.g., a raisedtextured surface that also facilitates gripping, a compliantrubber-type material that facilitates griping while the rest ofhandle 14 is formed of a rigid material the provides the overallshape and rigidity to handle 14, etc.). Lateral gripping see-

65 tions may make holding handle 14 easier due to the increasedfriction between theusers hand and the compliantmaterial ofthe lateral grip sections.



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US 8,551,117 B25

places the abrasive outer surface 50 ofdrum 48 in contactwithskin tha t the user wishes to remove. As drum 48 rotates, outersurface 50 of drum 48 rubs or abrades the outer layer of theusers skin resulting in removal of dead skin cells.As shown in FIGS. 4, 6 and 8, motor head assembly 36includes a support bracket 58 . Exfoliating head assembly 49is supported by support bracket 58 and drive shaft 56. Inparticular, as shown in FIG. 8, drive shaft 56 supports one endof exfoliating head assembly 49 via the coupling betweendrum 48 a nd drive shaft 56 . The other end of exfoliating headassembly 49 is supported via contact between end hub 78 andsupport bracket 58. As shown in FIG. 8, support bracket 58includes an arcuate upper surface 74 shaped to match thecurve of an outer surface of end hub 78 providing a supportsurface that partially surrounds a portion of en d hu b 78 .As noted above the engagement between drive shaft 56and drum 48 forms a rigid connection such that rotation ofdrive shaft 56 causes a corresponding rotation of drum 48 . Asshown in FIG. 8, cavity 64 of drum 48 forms an opening 66through one of the lateral faces of drum 48, and cavity 64extends at least part of the way through drum 48. End 72 ofdrive shaft 56 is sized to form a press-fit or friction fit engagement within cavity 64 of drum 48. In another embodiment,end 72 of drive shaft 56 includes one or more projectingelements configured to engage cooperating recesses withincavity 64 to ensure transfer ofrotational motion of drive shaft56 to drum 48 . In one such embodiment, end 72 may be sizedto form a snap-fit engagement within cavity 64.As shown in FIGS. 6 and 8, the end of drum 48 oppositeopening 66 is coupled to end hub 78 via a shaft 80 . Shaft 80 isrigidly connected to end hub 78 , and drum 48 is rotatablyconnected to shaft 80. Thus, as drum 48 is rotated by driveshaft 56, dnun 48 rotates relative to shaft 80 and end hub 78 .In another embodiment, shaft 80 is rotatably coupled to endhub 78 and is rigidly connected to drum 48, Thus in thisembodiment, as drum 48 is rotated by drive sha ft 56, bothdrum 48 and shaft 80 rotate together relative to end hub 78 .To allow drum 48 to rotate, a second support bracket 68 o(see FIG. 9 is configured such that drum 48 is pennitted torotate relative to the second support bracket 68. Second support bracket 68 is configured to rotatably support drive shaft56 and facilitate rotation ofdrum 48 relative to second supportbracket 68. In one embodiment, second support bracket 68 isshaped to be slightly larger than the diameter of drum 48 . Ina further embodiment, second support bracket 68 may includea recess (not shown) to provide a rotational bearing surfaceallowing drum 48 to spin or rotate freely within the recess.In o ne embodiment, drive shaft 56 is permanently coupled soto gears 54, and exfoliating head assembly 49 , and specifically drum 48 , is removably coupled i .e ., not permanentlycoupled to)to drive shaft 56. This configuration allows exfoliating head assembly 49 to be removed and replaced whiledrive shaft 56 remains in place coupled to gears 54 . This 55allows the user to switch between drums having differentabrasion properties by exchanging the exfoliating headassembly 49 currently coupled to motor head assembly 36.This configuration also allows for the replacement an olddrum 48 with an exfoliating head assembly 49 having newdrum 48 without requiring drive shaft 56 to be decoupledfrommotor head assembly 36. Because drive shaft 56 remainscoupled to gears 54 after exfoliating head assembly 49 hasbeen removed as shown in FIG. 8 , drive shaft 56 may ac t asa locating featnre helping the user to align the new exfoliatinghead assembly 49 during assembly to ensure it is properlyinstalled relative to motor head assembly 36. Further, exfoli

6ating head assembly 49 may be easier to manufacture and lessexpensive than a head assembly having a permanentlyattached drive shaft.Referring to FIG. 9, a cross-section of motor head assembly 36 is shown coupled to mounting bracket 16. As shown in

FIG. 9, a spring 60 is coupled to the lower end of supportbracket 58, and when motor head assembly 36 is coupled tomounting bracket 16 , a spring 60 is engaged between supportbracket 58 and an inner surface of mounting bracket 16. In

10 this maimer spring 60 biases drum 48 upward to assist inmaintaining contact between outer surface 50 of drum 48 andthe users skin during use.Referring to FIG. 10 a method ofassembling an exfoliating

device is shown according to an exemplary embodiment. Atis step 100, a motor head assembly is provided. The motor headassembly includes a housing and a drive shaft supported bythe housing. The drive shaft is coupled to a motor via gearssuch that the motor causes rotation of the drive shaft In oneembodiment, the motor head assembly may be motor head

20 assembly 36 discussed above. At s tep 102, an exfoliatingheadis provided. The exfoliating head may be a cylindrical drumincluding a central cavity having an opening formed in one ofthe lateral sides of the drum. In one embodiment, the exfoliating head may be drum 48 discussed above and may include

25 an anti-microbial agent or compound.At s tep 104 , the exfoliating head is coupled 10 a drive shaft

of the motor head assembly. In one embodiment, the openingin the lateral side of the exfoliation head is aligned with thedrive shaft , and the exfoliating head is mounted to the drive30 shaft by moving the head laterally such that the drive shaft isreceived within the cavity of the head, In one embodiment, theexfoliating head is coupled to the drive shaft via a press-fit orfriction-fit between the outer surface of the drive shaft and theinner surface of the head cavity. In another embodiment, theexfoliating head is coupled to the drive shaft via a snap-fitengagement. At step 106, an exfoliating device housingincluding a handle is provided, and at step 108, the motorhead assembly is coupled to the exfoliating device housing. Inone embodiment, the motor head assembly is coupled to theexfoliating device housing after the exfoliating head iscoupled to the motor head assembly. In another embodiment,the exfoliating drum may be coupled to the drive shaft whenthemotor head assembly is coupled to the exfoliating devicehousing.Some embodiments herein relate to a skin removal devicefor removing dead skin cells from the outer layer of skin of auser. The device includes a motor a drive shaft, and a drum

coupled to the drive shaft such that rotational motion generated by themotor is transferred to the dnun. The outer surfaceof the drum is configured to abrade the skin of the user duringrotation. The drum includes a cavity extending from onelateral end of the drum along at least a portion of the length ofthe drum a nd t he drive shaft is received within the cavity tocouple the drum to the drive shaft.In some embodiments, a method of assembling an exfoliating device includes providing an exfoliating device housinghaving a handle. In one embodiment, the method includescoupling a motor head assembly to the exfoliating devicehousing after theexfoliating head is coupled to the drive shaft.In another embodiment, the exfoliating drummay be coupledto the drive shaft when the motor head assembly is coupled tothe exfoliating device housing. In one embodiment, an opening in the lateral side of the exfoliating head is aligned withthe drive shaft, and the exfoliating head is mounted to thedrive shaft by moving the head laterally such that the driveshaft is received within the cavity of the head. In one embodimeat, the exfoliating head is coupled to the drive shaft via a

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US 8,551,1 17 B27

press..fit or friction-fit between the outer surface of the driveshaft and the inner surface of the cavity. In another embodiment, the exfoliating head is coupled to the drive shaft via asnap-fit engagement. Various exemplary embodiments relateto the method ofassembling an exfoliating device, as recited 5above and including any combination ofone orinore featuresrecited in the detailed description and shown in the f igures.Further modifications and alternative embodimentsofvarious aspects of the invention will be apparent to those skilledin the art in view of this description. Accordingly, this 10

description is to be construed as illustrative only. The construction and arrangements, shown in the various exemplaryembodiments, are illustrative only. Although only a fewembodiments have been described in detail in this disclosure,many modifications are possible e.g., variations in sizes Isdimensions, structures, shapes and proportions of the variouselements, values of parameters, mounting arrangements, useof materials, colors, orientations, etc. without materiallydeparting from the novel teachings and advantages of thesubject matter described herein. Some elements shown as 20integrally formed may be constructed of multiple parts orelements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements orpositions may be altered or varied. The order or sequence ofany process, logical algorithm, ormethod steps may be varied 25or re-sequenced according to alternative embodiments. Othersubstitutions, modifications, changes and omissions may alsobe made in the design, operating conditions and arrangementof the various exemplary embodiments without departingfrom the scope of the present invention. 30What is claimed is:1. A skin removal device comprising:a housing comprising a handle portion;a drum assembly removably coupled to the handle portionand comprising: 35a drum having an abrasive outer surface configured to

abrade skin of a user during rotation of the drum;a recess formed in a first end of the drum;a hub coupled to a second end of the drum the hubcomprismg an annular groove; and 40an electromechanical drive system disposed at least partially within the housing and configured to rotate thedrum the electromechanical drive system comprising:a drive shaft, at least a portion ofwhich is received in therecess of the drum to rotatably fix the drive shaftrelative to the drum such that the drum rotates with thedrive shaft about an axis of the drive shaft; and

an electric motor coupled to ihe drum assembly via aplurality of gears and the drive shaft;

a n3onnting bracket extending from the housing and configured to support the drum assembly, the mountingbracket comprising at least one U-shaped supportbracket configured to rotatably support the hub of thedrum assembly, wherein the support bracket engages theannular groove to rotatably maintain a position of the ssdrum assembly relative to the mounting bracket;

wherein the drum assembly is movable in a lateral directionrelative to the handle portion to enable insertion andremoval of the drum assembly; and wherein when thedrum assembly is removed from the housing, the drive 60shaft remains coupled to the housing.

2. The device of claim 1, wherein an outer surface of thednun comprises an antimicrobial agent.

3. The device of claim 1, wherein the outer surface of thedrum comprises an abrasive sheet of material. 654. The device of claim 1, wherein the drive shaft is configured to engage the recess in a friction fit manner.

85. The device of claim 1, further comprisinga biasing member configured to provide a biasing forcebetween the mounting bracket and the drum assembly tobias the drum toward the skin of the user during use ofthe device.

6. An exfoliating device comprising:a housing comprising a handle portion and a mountingbracket extending from the handle portion;

a drum assembly removably coupled to the handle portionand comprising:a cylindrical drum having an abrasive outer surface configured to abrade skin of a user during rotation of thedrum;a cavity formed in a first end of th e d rum; a ndan end hub coupled to a second end of the drum, t he endhub comprising an annular groove;

a drive systemdisposed at least partially within the housingand configured to rotate the drum via a drive shaftreceived in the cavity of the drum assembly; the driveshaft being coaxial with a longitudinal axis of the drumsuch that during operation the drum rotates about thedrive shaft, the drive system comprising an electricmotor interconnected with the drive shaft via a pluralityof spur gears;

a support bracket movably coupled to the mountingbracket, the support bracket comprising an arcuate surface to support the end hub of the drum assemblywherein the support bracket engages the annular grooveto rotatably maintain a position of the drum assemblyrelative to the mounting bracket;

wherein when the drum assembly is removed from theexfoliating device, the drive shaft remains coupled to thedrive system.

7. The device of claim 6, wherein the drum assembly isinsertable into and removable from the housing via a lateralside of the handle portion.

8. The device of claim 6,wherein the drive shaft is received within t he r ec es s torotationally fix the drum relative to the drive shaft.9. The device ofclaim 6, further comprising a spring mem

ber configured to bias the drum relative to the mountingbracket and toward the skin of the user.10. The device of claim 6, further comprising a coverconfigured to engage the handle portion in a snap-fit fashion

45 and substantially cover the drum assembly.11. The device of claim 6, further comprising a coating onan outer surface of the drum the coating comprising an antimicrobial agent making up between and 12 percent of thecoating.

50 12. The device of claim 6, wherein when the drum isinserted into the skin removal device, the drive shaft acts as alocating feature to align the dr-mn relative to the skin removaldevice.13. The device of claim 6, further comprising a springproviding a spring force biasing the support bracket towardthe drum assembly.14. The device of claim 13, wherein when the supportbracket is moved against the spring force, the support bracketdisengages from the end hub and allows thedrum assembly tobe removed from the skin removal device.15. The device of claim 14, wherein the support bracketcomprises a post configured to extend at least partiallythrough an aperture in one of the lateral sides of the mountingbracket, the post configured to facilitate movement of thesupport bracket.16. A skin removal device, comprising:

a housing comprising a handle portion;



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US 8,551,117 B29 10

a mounting bracket coupled to the handle portion, havingfirst and second lateral sides, and comprising a U-shapedsupport;

a drum assembly removably coupled to the mountingbracket, the drum assembly comprising: 5a drum configured to rotate relative to the mountingbracket, the drum comprising an antimicrobial agent;andan e nd hub coupled to a first end of the drum assemblyand defining an annulnr groove the annular groove 10engaged by the support of the mounting bracket to atleast partially maintain a position of the drum assembly relative to the mounting bracket; and

a drive system configured to rotate the dnun about an axisof a drive shaft received in a recess formed in a second tsend of the drum assembly, the drive system comprisinga motor and a plurality of gears operably coupling themotor and the drive shaft;

wherein the drum assembly is insertable and removable ina lateral directionadjacent at least one of the lateral sides 20of the mounting bracket and wherein when the drumassembly is removed from the skin removal device, thedrive shaft remains coupled to the device.17. The device of claim 16, further comprising a spring

configured to b ias th e d rum toward the skin of a user during 25use.

18. The device of claim 16, wherein the drum assemblycomprises a projection configured to extend at least partiallythrough an aperture in one of the lateral sides of themountingbracket, the projection configured to at least partially main- 30tam the position of the drum assembly relative to the mounting bracket.

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Documents

Softlines International et. al. v. Ivog et. al