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Publication numberUS1875125 A
Publication typeGrant
Publication dateAug 30, 1932
Filing dateJul 29, 1929
Priority dateJul 29, 1929
Publication numberUS 1875125 A, US 1875125A, US-A-1875125, US1875125 A, US1875125A
InventorsOster John, Oscar E Lackner
Original AssigneeOster John Mfg Co
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Hand operated hair clipper
US 1875125 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

Filed Ju1y, 29, 1929 Patented Aug. 30, 1932 lNrrsl) vSTA rss PATENT OFFICE Y JOHNY osrnia ANDl o'scAnA LACKNEROF RACINE, wrscoNsrN, AssrGNons To JOHN Vosuna MANUFACTUMNG WrsooNsIN COMPANY, F RACINE, VJISCONSIN, A CORPORATION 0]?r HAND OPERATED HArB. CLIPPER .A Application med July l99, 1929. seriai No. 381,989.

`This invention relates toa hand operated clipper especially designed'V and adapted forv removing the hair under the arm pits.

f For various reasons,j1t 1s desirable to use (6 hair'clippers'V for the purpose of removing Y because the known clippers are so constructed .10 and so operated as to be incapable of following the contour of the flesh inthe region'of the armpits and also becauseall prior types of clippers are designed'forj-use with one hand only. Concerning the latter feature of the prior types of hand clippersit is to be noted that such clippers have a stationary handle and a* movable handle. Thi-s arrangement makes it possible to operate the clippers with one hand only and if suoha clipper is shifted A to the other hand it will be found practically impossible to effectively use the clipper for the reason that the clipperrmay not'be held steady while operated. y

Among the importantobjects of the pre-s.-l ent invention are to provide a hand operated clipper which is adapted for convenient and effective. operation kwithj ,either hand and which is so constructed and organized that it readily and easilyv follows the contour ofthe flesh in the region of the arm pits and does so in such'a manner as to effect very close clipping of the hair without any pulling and without any abrading or irritating action on the liesh.

clipper is provided which consists broadly of coacting blades mounted on vone end of a handle memberin such manner that when ,4 the clipper is in use it operates with a hoe Y Y in the conventional clippers. This feature is one of the principalfactors inthe ability of the clipperV to follow the contour ofthe flesh in the region of the arm pits and to effec-V tively remove or clip hair in such regions. In

. addition the operating mechanism provided for the clipper blades, the manner of its or- In carrying outithe present invention a hair c ganization with the handle and with the blade, is such as to provide for easy and convenient .operation of the clipper with either hand.

Other objects and advantages reside in eertain novel features of the construction, arrangement and combination of parts which will be hereinafter' more fully described and particularly pointed out in the appended claims, reference being had to the accom- .panying drawing forming a part of this speciiication, and in which:

Figure l is a view in front elevation showing a hand operated clipper embodying the present invention;

Figure 2 is a view in section on line 2 2 of Figure l, parts being shown in'elevation for the sake of simplicity and illustration;

Figure 3 is a top plan view of the clipper, parts being broken away and parts being shown in section for the sake of illustration; and

Figure 4 is a view in horizontal section taken on line 4 4 of `Figure 2.

Referring to the drawing, numeral l designates generally a handle which includes an outer part or casing 2 shaped to be conveniently gripped in the hand and having titted'and releasably secured by means of a lock screw 5. The shank 4 projects above the upper end of the casing or covering 2 and hasv a reduced extension or post ,64 formed integral therewith.

On this post 6 a fixed blade 7 anda coacting movable blade 8 are mounted. The fixed blade 7 has an internally threaded opening 7 therein and with this internally threaded opening 7 the threaded outer end 5 of the a. socket 3 in which a shank 4 is frictionally i --L- Ajsleeve '12 is ifitted 1ontheJi-ifine'r.smooth,y portion of the post 6 for oscillating movementv mit thecmovable blade tohave the requisite l freedomjofgmovementi ffAlong itSrear edge;y

shown as vto its outline in Figure 4 and as shown inFigure 2 the spring tension member.

has its outer. portion downwardly oset so that it lextends beneath the blade 8, but its extremity is upwardly deflected as at to bear againstv themovable blade 8 and urge it L with the proper tensionv against the fixe-d termed opeingitffprovicled in the bodyporblade' and yet developv a` minimum of fric-y,

tion'between the movable blade 8 i and the spring tension Amember 10.

and the inner endl of the sleeve l2xlraslintegral therewithk or otherwise suitably fixed thereto a knurled collar'l which is utilizedby the;

operator for oscillating the sleevelQi, The

ourlendof the sleeve l2 hasfflat faces '12" formedthereon'so thatthis outer extremity of the "sleeve Vis of non-'circular cross section :andv

Iis, adaptedto snugly fit into a correspondingly 14' ofa carrier or driving'niember desigvgenera-llylat 15.y VThe carrier or driving y YTheoperating,parte areenclosed ini ahous ingmadeup lof. a ,lower Section 20 which' has `aibody portinapertured a'slratfl (see Figure i lte permit freemovement of the sleeve 12' relat'iiefthereto Thisilower section also has.

y the end offits bodyrportion upturned Y. asaty22f to engage'the under surfaceof the i bladeS without restraining movement oliy the bl'adeg.' Atitsfsidesfthelower section has up? turned 'flanges '23 which abut the fixed blade alQngitsunder surface `and adjacent itssi/de edges', but whichare sufficiently spaced to perthefhou'singQO hasv an AupturnedY flange 24 which yoverlaps the k,rear edge off theA yfix-edi blade?? vand'whichiis provided with openingsl 2.4" registering with the vthreaded openings l2'5rin the, rear vofthe `fixed blade V7 when the lower-housing section is properly assembled.

' VZQisnugI-y.overfla'pping the side edges-of zthe fixed .blade -f-andf the flange 30 lsnugly Voverlapping the-upturned flfange 524 of y"the slower housing section. jfiange .30 *also'has y kopeningS530` registering with" vthe openings 24J and'finftheassemblyand permitting 'of the j'inser'tion ofsorews "3l 4*which engage with flanges of the rear of the .housingl sections to i releasably secure thehousing in position.

In assembling the clipper the shank i is l first introduced into the handle casing 2 and l locked in position by thescrew 5. lThe sleeve` 12-is then slipped over the post Gpandthe.`

lower section 20 fof the housing is dropped over `the sleeve, that is, its aperture is passed down onto the sleeve l2. Theg'movable blade Sfwithitsdrivingniernber or'carrierlisnext assembledthe non-circular Opening of the carrier or driving member lefbeingrassem- .bled vwith the correspondingly non-circulark portion 12 of the sleeve 12.1` This provides a cenneotion between vthe movable blade Sand thesleeve 12 whichconstrains .thebladento rotate or escillatewithfthe sleevefl?.Y Any.

suitable releasalble fastening. means ,may beY p rWided-ffr'v this purposeljf :Itfis: I.desiralilei that ,theV fastening imeans n be releasable to.l

Permit'- `of easy assembly disas'sembly'.forA

purposes off `eleailing;flu'brication,4 repair replacementi` '"Aftenthedriving member'has been'assembled the ,is threaded on'the f threade'dextremity15" of the post,` the tension l member 1'() Vplaced position, theblade 7 threaded lento -the 'outer fend: of Ythe rpost until'it is properly positioned whereupon the.

nut@ istightened yup yto :lock v thebl'ade' positionfa'n'd also to securethe Vtension member 10 position.;y The'housingseetion '28 i's-then applied and'thehousingfsection 2'() 'isbrofuglht'- up intorpo's'itionfand both'housing sectionsare secured in placeiby the screws 3L, n'

In operati'ol'the user-'maylield*y the clipper in. either liandjiand ,grasp the -handlelbetween r gersand :the little fingen `The forengcr or index vfinger and thumb. th'elrnurled i' collar 1'3. n'thsway it,' is very easytotwist* or 'woscfil'lfate' "the, *linurled collar 13 "and thus l reciprocate thejmovableblade, The outer thefax-is ofthe 'post Gflas centen so that Cecillation ofthe sleevelZin the manner described will lcause' fthe movable l blade 'tol effectively hairi [Duero the relation or organizational@ the blades with the post, or in othenwords,

` the jfa'ct that the blades are: arranged Y"trans-V versely'at 'the' nuten-end' ofthe-.post or fn a( 'edges YQf they teeth @fthe movableblade Sfa'ndv olf the fixed `blade"7` lie Sinfanarc which/Ellas 'l plane at frightfangles thereto, itis conveifilienty an'djin ffactnece'ssarytej advance-fthe clipper duri-ng Vcutting t'vith a downward: orfpu'lling stroke 'somewhat afterthemannerff a safety Vrazor insteadfofpwith a pushing stroke asfin ordinary @uppers This permette-,Clipper toffol'low Vthe contourof the fleshintheregiion oftheyarm andto-efi'ectively remove f hair thereon.y 'It is obvious 'that 'ftheclipper may inasmuch, as the relation' togfthe, Qperating meansgth'at ,fthec'ollar fndsl'efeve 12'does not. changei material, with respect be used with equal e'ff'eetivenfeSS fineith'er 'hand ran to the hands When the clipper is shifted from one hand to the other. f

Along with these advantages the clipper is simple and of durable construction, its parts are easily accessible for cleaning and lubrication, replacement and repair and it lends itself to economical manufacture by facilities and from materials ordinarily obtainable. While a clipper embodying the present invention is especially designed and adapted for removing hair under the arm pit, in general this clipper may be used to advantage in places where a regular standard type of hand clipper may not be effectively or satisfactorily employed.

rEhe invention claimed is:

l. A hand operated hair clipper comprising a handle having a main portion, coacting blades mounted on one end of the handle and arranged transversely and at right angles thereto whereby the blades are adapted to be advanced during cutting with a downward ulling motion and operating means for the blades including an oscillatory sleeve intermediate the blades and the main portion ofA the han-dle, means connecting said sleeve to one of the blades -and means on said sleeve adapted to be grasped between the thumb and forcfinger of the same hand that grasps the handle. f

2. A hand operated clipper comprising a handle, a fixed blade extending transversely to the handle and secured thereto adjacent one end thereof, a movable blade coacting with the fixed blade, a tension member mounted on the handle, means for forcing the tension member against the fixed blade and for biasing it to bear against the movable blade to cause the movable blade to engage the fixed blade with the proper tension and means mounted on the handle for operating v the movable blade.

3. A hand operated clipper comprising a handle, a separate fixed blade extending transversely of the handle and secured there to near one end thereof, a separate movable blade coacting with the fixed blade, a sleeve mounted for oscillation on the handle and a driving member secured to the movable blade and interconnected with the sleeve so as to be oscillated thereby.

4. A hand operated clipper comprising a handle, a fixed blade secured to the handle near one end, a movable bladecoacting with the fixed blade, a tensioning member for urging the blades to engage each other with the proper pressure, a sectional housing secured to the fixed blade and enclosing the fixed and movable blades and the tension member and operating mechanism for the movable blade including a sleeve mounted on the handle outside of the housing` and having a portion projecting therein and a driving connection between said portion and the movable blade.

5. A hand operated clipper comprising a handle having a post extending axially from one end thereof, a blade fixed to one end of the post and extending transversely thereto, a sleeve rotatable on the post, a driving member connected to the sleeve, a movable blade secured to the driving member and coacting with the fixed blade, and a spring tension member fixed to the post and bearing up against the movable blade to urge it to engage the fixed blade with the proper pressure.

6. A hand operated clipper comprising a handle having a post extending from one end thereof, a blade threadedly connected to the outer end of the post and extending transversely thereto, a sleeve rotatably fitted on the post, a driving member connected to the sleeve, a movable blade secured to the driving member and coacting with the fixed blade, a spring tension member having one end mounted on the post and one end cooperable with the movable blade and a nut threaded on the post to clamp the spring tension mem` ber and fixed blade in operative position.

7. A hand operated hair clipper comprising a handle having a post extending axially therefrom, a fixed blade secured adjacent the outer end of the post, extending transversely thereto and having teeth disposed in an arc struck from the axis of the post as a center, a movable blade mounted for oscillatory movement about the post as an axis and having teeth disposed in an arc struck from the post as a center and cooperable with the teeth of the fixed blade, the axes of the teeth of each blade being parallel and means for Inoving the movable blade back and forth in au are which has the post as a center.

In Witness whereof, we hereto affix our signatures.

JOHN OSTER. OSCAR E. LACKNER.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7222588Oct 28, 2005May 29, 2007Furminator, Inc.Pet grooming tool and method for removing loose hair from a furry pet
US7334540Feb 19, 2007Feb 26, 2008Furminator, Inc.Pet grooming tool and method for removing loose hair from a furry pet
US7509926Jan 22, 2008Mar 31, 2009Furminator, Inc.Pet grooming tool and method for removing loose hair from a furry pet
US7650857Aug 17, 2007Jan 26, 2010Furminator, Inc.Pet grooming tool and method of manufacturing pet grooming tools
US7650858Jan 30, 2008Jan 26, 2010Furminator, Inc.Pet grooming tool and method of manufacturing pet grooming tools
US7717067Jul 20, 2006May 18, 2010Furminator, Inc.Pet grooming tool and method of manufacturing pet grooming tools
US8732893Jul 28, 2012May 27, 2014Petgroom Tech LlcMethod for removing hair from a hand-held grooming tool
US8850708 *Nov 18, 2011Oct 7, 2014Alex NIKASTrimmer and double acting blade assemblies for trimmers
US8850709 *May 10, 2013Oct 7, 2014Alex NIKASTrimmer and double acting blade assemblies for trimmers
US8918955Apr 29, 2013Dec 30, 2014Petgroom Tech LlcVacuum grooming tool
US20130125404 *Nov 18, 2011May 23, 2013Alex NIKASTrimmer and double acting blade assemblies for trimmers
US20130232796 *May 10, 2013Sep 12, 2013Alex NIKASTrimmer and double acting blade assemblies for trimmers
DE1198240B *Dec 23, 1963Aug 5, 1965Oster Mfg Co JohnMesserkopf fuer Haarschneidemaschinen
Classifications
U.S. Classification30/221, 30/43.92
International ClassificationB26B19/06
Cooperative ClassificationB26B19/06
European ClassificationB26B19/06