US1111721A

US1111721A - Safety-razor.

Info

Publication number: US1111721A
Application number: US24850505A
Authority: US
Inventors: King C Gillette
Original assignee: Individual
Current assignee: Individual
Priority date: 1905-03-06
Filing date: 1905-03-06
Publication date: 1914-09-22
Anticipated expiration: 1931-09-22

Description

' K. c, GILLETTB.

SAFETY RAZOR.

A'PPLxcATIoN rtLsn 111.5651904".

Patented sept. 22, 1914.

Y iode-2462 KING C. GILLETTE, OF BROOKLINE, MASSACHUSETTS.

SAFETY-RAZOR.

Speoication of Letters Patent.

Application led March 6, 1905. Serial No. 248.505.

Patented sept. 22, 1914.

To all whom vit may concern Be it known that I, KING C. (iiLLEr'rn, a citizen of the United States, nd resident of Brookline, in the count of Norfolk and State ot' Massachusetts, liaveinvented new and useful Improvements inSafety-Razors, of which the following is a specification.

My invention is intended'fI to provide a simple,practical and inexpensive safety razor, and the nature and advantages of my improvements will clearly appeal' from the ensuing description.

In the accompanying drawin s. Figure l is a plan view ot the head or bla e end of one torni of my razor. Fig. 2 is a side'elevation thereof, partly in section, looking in the d1- rcction of the length of the blade, and Fig. 3 is a side elevation ot' the same parts as viewed from the right in Fig. 2. Fig. 4 is a central longitudinal sectionA showing a moditied construction, and Fig. 5 is a sldelglevation of the handle portion of another modified construction. Figs. 6 and 7 show still another modification, viewed from the same directions as in Figs. 2 and 3 respectively. Fig. 8 is a transverse sectional view showing a modified construction of the head of the razor. j

The blade 2 of my razor may be of any usual or desired construction, but is preferably made of sheet steel of'uniforin thickness and sharpened at both of its longitudinal edges to provide two ,pposite cutting edges 3 3. The handle member or holder comprises two similar parts or halves 4%1, which are connected at a distance from the blade-engaging devices of the razor in such manner as to swing toward and away from each other. Said holder is preferably stamped from a sino'le piece of sheet metal cut to form the two ialves of a head portion barinI substantially the length of the razor blade. and to have a less widthbetween said head portion. so that when the blank is bent midway between its ends to bring the two halves o the head into opposed relation to cach other the narrower portions of the blank will i'orm the handle proper. The corr figuration given to the holder in its complete form may be as represented in Figs. :2 and El, in which the two halves` of the head are hewn as bent or bowed outwardly or away from each other to provide a space between hem of sutiicient width to receive the blade L, theportions which forni the handle being slightly curved transversely in order tfo give the handle a rounded exterior surace.

At the blade end of the razor each of the two halves of the holder is provided with devices for securing and positioning the blade, which devices preferably consist of lugs 5 -formed integral with thc holder and bent inward in such manner as to ovcrlie and engage the outer surface of the blade when placed in position and hohl it in contact with suitable hearing surfaces located on the opposite or inner side of the blade, such for example as are provided by the guard teeth hereinafter described. In the constructions illustrated in the drawings said lugs 5 are located at points correspondin to the normal position of the corners o the .blade 2 and are bent diagonally inward, said corners being rounded as at 6 to engage said lugs. rthis rounding of the corners of the blade preferably extends far enough to include a portion of each end of each cutting edge, thus preventing the blade from having any sharp corners which might be liable to in jure the skin of the user.

7--7 represent guard teleth of the usual shape. extending in seri between the lugs 5 on the corresponding side of the holder in position to overlie the adjacent cutting edge of the blade, from which they curve away in the usual manner. These uard teeth also may be'formed integral wit the holder, and in case a double-edged blade is employed said teeth will ordinarily be providedy at cach side of the head or blade end of said holder, in' which case the two halves of the holder may be made exactly alike and given a symmetrical contour. The diagonally-bcnt lugs 5 will evidently act not only io hold the blade against the guard teeth but also as stopsto determine the proper adjustment of the. cutting edge or edges of the razor with respect to said ,guard teeth, by preventing any movement. of the blade either laterallv or in an' endwise direction.

Vln order to hold the blade firmly in place, means are provided for causing the two halves of the holder to approach each other with sonic degree ol' force, and this may be done in a very simple manner by merely tempering the handle end of the holder toa snllicient extent to give it a spring action, the spring pressure being operative in such dirertion and to such an extent as to cause the holding devices for the blade to move toward each other, when permitted to do so, until they are separated by a distance less than the width of the blade. This is the construction illustrated in Figs. 2 and 3, and in this case the blade is released by merely forcing the two portions of the holder away from each other until, the blade is free from the retaining lugs 5, and is inserted in a similar manner.

Inasnnich the function of the spring action in the holder shown in 2 is to hold the retaining lugs firmly in engagement with the blade, it will be evident that this spring action may be replaced by other means for accomplishing the same result, in which case the bend at the end of the handle will merely need to be flexible, so as to serve as a hinge. Thus in Fig. 4, I have shown the two halves SWS of the handle proper as Hatand as receding slightly'from each other as they approach the head of the razor, said handle being surrounded by a sleeve 9 adapted to slide lengthwise thereon and the arraiyLfement being such that as said sleeve is slid toward the head of 'the device the tWO parts of the holder will be made to approach each other to a sull'icient extent to grasp the blade as above described.

ln Figs. l and T a similar arrangement is shown in which the sleeve 9 is replaced by a pin 10 having heads 1l at its ends and arranged to slide in alined longitudinally-extending slotsl l2 formed in the two portions ot the handle, the desired closing pressure being applied to said portions of the handle by the heads of the pin l() as the latter is inm'ed away from the outer end of the handie. in this construction, as well as in that shown in Fig. 4, it will be convenient to provide t'or a spring action at the free end of the handle which will tend to separate. the two halves of the head, so that when the .sleeve il or headed pin l0, as the rase may he, is moved outward on the handle. thc two halves of the handle will autonial ically separate.

ln Fig. 5 l have shown a handle 13 4in .hich the spring action at its free end tends to close the two halves of the head `upon the blade, one portion of this handle being prmided with a threaded perforation in which is, h aled a tlnnnh screw lst adapted to bear upon the opposite portion of the handle, .so that by turning said screw the tno portions ot the handle may be posilivelyv .separated and held the removal or insertion of a blade.

The blade of my razor may have but one cutting edge, if preferred, and in such case the guard teeth on one portion of the head `of the razor may be omitted. Such a construction is 'shown in Ffig. 8, in which a razor blade of the ordinary concave type is Shown at l5, that side of t-he holder 16 which grasps the rear or thick edge of the blade being provided with one or more lugs 17 havin a suiliciently increased length to accmmo ate the greater thickness of the blade at this edge. It will be evident that a blade having two cutting edges could be used with a holder having guard teeth on but one of its halves only, in which case it would be necessary to reverse the blade in order to utili'ze both of its cutting edges.

It will be seen that in each of the constructions illustrated the ends of the blade are freely exposed iii convenient position to be grasped by the user when inserting or removing the blade, and that after the blade has been removed the holder may be cleaned with the utmost facility. It is to be understood however, that my invention is not limited to these specific constructions, or any of them.

I claim as my invention:

l. ln a safety razor the combination of a rectangular blade having two cutting edges and suitable end portions, a rectangular holder havingr a pair of upwardly projecting lugs for each end of the blade, the members of each pair of lugs being separated or spaced apart to receive and embrace an end portion of the blade between them, to prevent displacement of thc blade in all directions in the plane thereof, said upstanding lugs being disposed substantially at the four corners of the holder and blade, a guard for the cutting edge in use, a handle on the bottoni of the holder, and means bearing upon the upper surface of the blade to hold it fixed from displacement upon the holder.

2. In a. safety razor the combination t a rectangular blade having tivo cutting edges and suitable end portions providing additional lransverse and longitudinal edges, a. holder for the blade comprising a handle, a blade seat upon said handle, a pair of up standing lugs at each end of the blade seat engaging the said transverse and longitudr. nal edges of the blade, a guard for the cutting edge or edges, and means bearing upon the upper surface cf the blade to hold it fixed from displacement upon the. holder.

B. In a safety raor, a holder for a double edged blade comprising a handle having two sides, the two sides being resilient and joined together at one end, and a frame having two sides, the inner edges of said apart to facilitate l sides being joined each to a free end of the handle. the outer edges: opposite and parallel to the said inner edgesvhaving each a row ot teeth for :seating the' edges of the blade thereon. lips formed on the corners Afior grippingr the. blade` the'distance between diere-ut lips ou opposite sides of the frame when the blade is removed therelfrom vbeing ol' diifereut dimension than the Width of the blade, and means operating the handle for adjusting .tlie frame to bring the lips' in springfprerssed.engagen'ient with the blade'.

4.' In a safetrrazoiz. a holder for 'a double-edged blade, comprising a handle having,r

twoA sides, the two sides beingr resilient, andjoined together at one end,v a frame having tr'o sides'. the inner edges of said sides being joined each to a free end of vthe handle, the' outer edges'opposite and parallel to the said.v inner edgeshaving each a Hrow-of teeth for seating the edges of the -blade thereon, lips formed on the corners for gripping the, blade` and a slide ring mount-ed on'the handle adapted to he pushed up vthe handle to vlose (he parts to bring the, lips in ,spring pressed engagement with the blade; Y

in 'u safety razor, a holder fora doubleedged blade comprising 'zr handlel having tivo sides, the two sides being "resilient, 'and joined together at one end, a frame having two sides, the inner edges of said sides ing joined eaeh'to n free end of the handle, the outer edges opposite and parallel tothe sairlinner edges having each-a-row ot' teeth for seating the edges of the blade'thereon, aud lips` 'formed on the eorners'rfor gripping theblade. v ,Y

6. In a safety razor, a'holder'foria double-A edged blade comprising a handle having' two sides, the tivo sides being -resilient,and

joined together V'at one; end,..and ,ir-frame having two sides, the inner' edges of-said sides-being joined each to a free-end of the handles' the o uter edges opposite vand paralel'tol the said inner edges li'aving'eaeh: a row .of teeth for seating theedges ofthe blade thereon, lips formed 'ontheeorners for gripping the blade, and means operating the handle 4for adjusting the frame to bring the lips in `spring pressed engagement iv-ith theblade. N

7j ln a safety razor, a [holder for a double-edgeil Ablade Comprising a handle, a

franievliaving' Atwo sides connected vto the Y handle and resilientlyl mounted vrelative to each othen'the outer-'ledge of each of the sides having each a ro-w of. teeth; forminga guard-,iandvlips forme-:lon the corners of the sides for gripping the blade. Y

S. lni razor, a blade having oppositely disposed cutting edges, a frame. member prov vided with guard ortiQnS, and means for securing the blade in place with its cutting edges adjacent the viiard portions, said seeuving means comprising oppositely disposed devices arranged to engage the blade at opposite. separated points to leave the eutA Y 10. In a razorfthe combinatln of@ member provided with e guard prtion'Lir Y blade, means carried by the frame mmbelii,"

and arranged to engage the-blade at t'cot' ner portions only, some. of said means beingf' movable in a path parallel with thelane';AV

o; owned@ tg* of the blade to removably secure/the lade I with its cutting edge in proximity to the* guard portion,

11. In a. razor, the Combinationivfith bldd'; i i

of rectangular formation providedlivithxtwo' parallel cutting edges,of a' framnomprisingf two members` movable onerelaj ve Ato vfth'e other, there being an elasti'call'y yieldable conf.'

nection between suoli Amembers',feafch of. the

members being-provided ivitli a plortioneoni stituting a gna rd fo'r one oftheQutting-edge:

of the blade; engaging 'members carried-bf; each of the framemembers.andiloeatedin' position for blade at'tlie ends Voi? the {eiittiiigil edges;- for'.

engaging theeorne's fof, vthe'.` 100 holding the blade in proper"-positi'nrelative v to the guard.

12. in, a razor, the. comifi-ntibni'ixvfiiiia "f f. blade having tivo. parallel ciittingfedgesand" transi-'erselyY disposed ends, off, frame oomprising two members movable one' in ies'peet of the other, eaeh of. said'framer-inembers being provided with a blade'z supporting" guard for one of the 'ciitting'='e hindi', a pair of engaging' m liv each of the frame meinhei` dges 'ot ,the ers earned eated in position for engaging one' cornerf Y of tlr:` blade for holding this-in prope'rp'osition relative to the supporting ".giiard`of suehfraine member. A 13.' ln a razor, the 'combination' 'Aivitlra blade of rectangular formation, of afframe tive lo th'e other. one of the members 'being provided with a portie-n constituting agiiarfd for the cutting edge of the blade, positiow ing meml'iers Carried h 'v the frame and loeat'ed in position for'eigi'oging the- ,corne-rs of' the blade for holding this in proper position relative to the: ing members lying par said endn'ise movement, som-eA of'siid" positioning members being carried by boeit-if saidY framemembers and Some of said; poitionig;

na rd said position xliaily in the path of ondwise movement of the bladeJ to obstruct minprising tis-'o members movable onerela-` members bring carried by the other of said frame members for releasably holding the blade in the frame and adjacent the guard.

dryln a razor, the combination with a frame, having means for Supporting the cutting edge of a rectangular blade and means for supporting the rear edge thereof,

and positioning members carried by the franie'and located, in position, one for engaging each. corner of the razor blade and said positioning members lying` partially in the patli of endu'ise movement of the blade to obstruct said -eudivise movement, and means for moving two of said cornerI engaging vinen'il'ieis toward the other tw-o for prevent-ing edgewise moven'ient of the blade, either longitudinally or laterally.

` ln a safety razor the combination u'ith a pair of frame members one movable toward and from the other, eacli being provided with a suitable bearing surface, and a pair of blade engaging i'neinbers mounted on each-frame member adjacent. the bearing surface and each disposed :it an angle of about forty-tive degrees to the path of frame-member movement to lie partially in the path of endwise movement of the blade to obstruct said endwise movement, the inward faces of diagonally Avopposite blad" engaging members being disposed onl substantially parallel planes.

lll. lin la safetyl razor the combination with a pair of frame members one movable toirard and `from tlie other, cach being'provided witha suitable bearing surface, and a pair of blade engaging members mounted on each frame member adjacent tl'iebearing surface and each disposed :at an angle of' about forty-live degrees to the pathof tramenicniber movement. tbe inward faces of diagonally opposite blade .engaging members being disi'iosed on substantially parallel planos, said eiligaging,members being pro- `"ided with port-ions loroveilyiiig the outer surface of the blade.

1.7. ln a raxor, the combination with a blade lim-'ing tivo parallel cutting edges and transversely disposed ends, of a .frame comprising two membersl movable one in respect of the other. oaoli of the frame members being provided with a suitable bca ring surface, and one of the frame- 'mci'nbers being provid-fd wit-li a portion adjacent tothcbearing surf-.ire constituting n guai'd, for one of the cutting cdgesof the blade, a pair of engag ing members carried by each of, theAfranie members and each locatediu position fojr engagingV one. corner of the blade for holding this in proper position relativctothe bearing surface and guard of suc'u frame inenibor. said engaging members lying partiallv in the path oi cnd'u'isc movement of thc blade to obstruct said end isc. movement.`

l 18. ln a safety raf/.or the combination with a blade having two parallel cutting edges,

transversely disposed ends and frustrated corners uniting the edges and the ends, of an engaging member for each said corner, and means for elastically' pressing two of said engaging members toward the other two of said engaging members, said engaging members lying partially in the path of endwise movement of the blade to obstruct said endwise movement.

19. In a safety razor, a frame comprising portions constituting a pair of guards for the cutting edges of a double-edged blade, and supporting means for supporting a blade in proper position relative to said guards -and comprising 'off-set members formed with means locatedin position to engage the'blade at points adjacent to and beyond the cutting edges thereof vfor securing the. same in place relative to the guards.

20. In a safety razor the Icombination of a frame comprising two parts and elastic means connecting these, each of said parts having a portion'constituting a guard for the cutting edge of afblade and blade clam ping means, overlying theouteinface of the blade, the blade clamping means on each part being cooperative with the blade clampv ing means on the other part.

21. In a safety `razor, the combination with a pair. of guards one for cachiedge of a double edged blade, each-guard having a bearing surface for engaging theblade inwardly of each guard, and engaging members engaging 4tlieyblade at each corner and located in position to expose both cutting edges and both ends.' v

22. In a'safety razor the combination with a razor blade having a pair of substantially parallel edges one of snchedges being a cutting edge, and a pair of transversely disposed edges, of a support for'v engaging flat `face of the Vblade finwardly of its cutting edge, a. guard for the said cutting edge of the blade associated with said support, a positioning member located at each cud of the guard, each positioning member being located in position to resist outward longitudinal or transverse movement. of the corner of the blade engaged thereby, a snpport for the face of the blade at its odge opposite its cutting edge, and a positioning member located at cach end of said support, each positioning member being located in position to resist outward longitudinal or transverse movement of the corner of the bladil engaged thereby.

' 23. ln safety razor the combination uitli a razor blade having a pair of subst-autialliY parallel edges one ofsucli edges brin,- r :i rutting edge, and a pair of trausi-'erscl vAdis-` posed edges, of a guard for the cutting edge of the blade, a positioning member located at each end ofthe guard, moans for sup porting the other edge of the blade.1 an elastically yieldable connection between the guardand support and a posmoning meinber located at each end of the guard and at each end of the Supml't each of seid meni- ,liers being located in position to resist 5 movement of the corner of the blade engaged thereby in a longitudinal or in a transverse direction.

In testimony whereof, I have hereunto subscribed my name this twentieth day of February, 1905.

KING C. GILLETTE. Witnesses E. D. CHADWICK, JOSEPH T. BRENzsAN.