US1787240A - Safety razor - Google Patents

Description

. 30, 1930. H. J. GAlsMAN 11,787,240

SAFETY RAZOR Filed July l120, 1927 www VENTOR #OK/N ATTORNEY vPatented Dec. 30, 1930 UNITED STATE-s PATENTV OFFICE HENRY J. GAISMAN, OF NEW YORK, N. Y., ASSIGNOR, BY MESNE ASSIGNMENTS, TO

GILLETTE SAFETY RAZOR COMPANY, OF BOSTON, MASSACHUSETTS, A CORPORATION or DELAWARE application mea July 2o,

One of the objects of my invention is to provide a safety razor having a pivotally supported blade holder and a pivotally supported guard member so arranged that the blade holder with a blade and the guard may be folded within the frame and may be extended into shaving relation with means to retain the guard and .blade holder in either of said positions. In a specific embodiment in of my invention illustrated inthe acompanying drawings I provide spring-acting means cooperative with the razor frame' and the guard member for retaining the latter and the blade holder in shaving relation and for i5 retaining said parts in folded relation within the frame.

M invention is applicable for use in connectlon with a safety razor in which means are provided for rotating or rocking the blade holder with the blade for stropping the edge of the latter. Ihave illustrated my invention as embodied in a safety razor in which a roller is carried by the mainframe and is geared to the blade holder for rotating or rocking the latter, a portion of said roller projecting'beyond the frame in position to engage a surface for causing rotation of the roller to rotate or rock the blade holder for presenting opposite edges of the blade to `a sharpening surface. The last named class of vrazor is set forth in my application for Letters Patent filed April 14, 1927, Serial No. 183,686.

I provide means for locking the gearing I when the guard member and the blade holder are folded within the frame to keep said parts in folded relation ine a compact manner for l storage and transportation.

My invention comprises novel details of improvement that will be more fully hereinafter set forth and then pointed out in the claims. i

Reference is to be had to the accompanying drawings forming apart hereof, wherein Fig. l is a partly sectional side view of SAFETY nazca 1927. Serial No. 207,036.

Fig. 3 is a side view illustrating the parts 50 in folded position with the gears locked;

Fig. 4 is a vertical section of Fig. 3;

Fig. 5 is a side View illustrating the parts in position for stropping;

Fig. 6 is a section on line 6, 6, in Fig. 1;

Fig. 7 is a section on line 7, 7, in Fig. 1;

Fig. 8 is a detached view of the blade holder;

Figs. 9, 9a and 9b are sectional details of the blade holder, and

Fig. 10 is a side view illustrating a strop-- ping position of the razor.

Similar numerals of reference indicate corresponding parts in the several views.

The frame 1 of the razor illustrated includes a base 1a and spaced uprights 1b to which a handle 2 is attached. A blade holder 3 is pivotally carried by and between the uprights 1b and shown provided with pivots 3a that are secured to ears 3b extending laterally from the blade holder. The pivots may be secured to the blade holder by means of squared ends riveted tothe ears, as indicated in Fig. 4. A blade 4 is detachably carried by the blade holder, and the blade holder and blade are of such a length as to swing freelyv between the uprights 1b and without engaging the base 1a. The guard 5 for the blade is pivotally supported between the uprights 1b, being shown carried by pivots 6 that are supported by the uprights 1b so that the guard may swing between the uprights, (Fig. 5). A roller 7 carries a gear 8 that 1s in mesh with a gear 9 that is firmly connected to the blade holder, being shown attached tothe corresponding pivot 3a, wherebywhen the roller 7 engages a surface 10 and is reciprocated along the same the roller will v.be rotated to causel rotation or rocking Vof the bladel hold er by means of the gearing. The roller l0 rojects beyond the adjacent portion .of

ame 1 vin order to engage the surface 10.

While Ivhave shown a roller 7 and ears 8, 9 atvopposite sides of frame 1 it will e understood that one roller with the corresponding gears 8 and 9 may be used if preferred.

The guard is shown pivotally carried on the pivots l6 and when the guard is extended 4outwardly the blade may be rested thereon for-shaving, as in Fig. 1. The blade holder and the guard may be folded within the frame 1 between the uprights 1b in a compact way for storage and transportation, as indicated in Fig. 4. The guard is shown providded with stop means 5a adapted to engage the blade holder when the ard is in shaving position, the guard havlng hooks 5b to engage and retain the blade, as shown in Fig. 1.

' At- 11 are links pivotally connected with the guard member at 12. The lower ends of' the links extend through openings 1c in base 1a and are connected to a spring 13 that is shown secured to the base. The handle 2 is shown provided with a reduced end portion 2a that passes through a hole in the spring and in the base and is riveted over izo-secure said parts firmly together. For convenience the free ends of the spring 13 are shown bent laterally and extending outwardly at 13a and are `located in the openings 1c of the base to freely enter openings 11a at the adjacent ends of the links 11, whereby the tendency xof ,the springs will be to push the links upwardly (in the drawings) to maintain a corresponding tension on the guard. The position of the pivots 12 with respect to the pivots 6 of the guard member is such that whenl the guard is moved outwardly from the frame and the blade is rested against .the guard the spring 13 will push the links and thereby will push the guard toward the blade so that the stop means 5a of the guard will engage the blade holder 3 and retain the guard and the blade in shaving relation, as illustrated in Fig. 1, the pivots 12 being at one side ofthe axis of the guard. The blade and blade holder may be pushed downwardlyr and inwardly to the positions shown in igs. 2 and 3, whereupon the spring 13 will permit the links to move. When the parts are in the position of Figs. 3 and 4 the outward tendency of the spring will be to push the links and thereby, because the pivots 12 are then at one side of'a plane through the spring and pivots 6, (on the side of the axis of the guard opposite that shown in Fig. 1), will cause the guard to be retained folded within the frame, since the end portions of the guard will bear against the links.

Means are provided to retain the blade holder and the blade in close relationto the guard member and folded therewith within the frame, as illustrated in Figs. 3 and 4, I have illustrated an adjustable locking member 14 slidably carried by one ofthe uprights 1b and having a reduced end por-` tion or projectionv14a adapted to engage the adjacent teeth of gear 8, as illustrated m Fig. Locking member 14 is shown .provided with a projection or pin 15 headed at opposite. endsY and slidable in a slot` 1d in the adjacent upright 1b, the outer surface of the upright 1b Vbeing shown outwardly pressed forming a projecting portion at 1e in the nature of a guide, andthe member 14 being shown recessed or channeled at 146, whereby the member 14 is slidably guided to engage and disengage the adjacent gear 8, (Figs. 6 and 7), and is -kept from rotation relativel to the gear. When the guard and the bla e holder are to be folded within frame 1 the locking member 14 is to be disen aged from gear 8, and when the guard antgl the blade holder are in the position shown in Fig. 3 the locking member 14 will be pushed into engagement with gear 8 to retain the parts folded. When the blade is to be used for shaving the locking member will be released from gear 8 and the guard will be pushed laterally from the frame, so that the spring 13 will operate through the'links 11 to present the guard outwardly lin cooperation with the blade holder, as in FiJ 1.

he blade holder may be of any desired construction. In the example illustrated the blade holder includes a plate-like member 3c against which the blade is laid, said member being shown l'provided with projections or pins 16 adapted to pass through holes 4a in the blade to retain the blade in pro er position on the plate 3c, (Fig. 8). A lade retaining member 3d is curved to have a normal outward spring tendency, as indicated in Fig. 9a, and said member is shown at one end slldably guided in an aperture 3e Y in a din lug 3f struck u from the plate 'll g P i 9b, and the blade will be laid upon the holder member 3c, whereupon the member 3d will be llaid against the blade. as illustrated in Fig. 9a, and will be pressed against the same fiatwise under spring tension and will .be

slid along the blade to enter the projecting portion 3,.into the o ning 3j to lock the parts to ther, as in 'gl 9. To remove the blade it lsmerely necessary to slide the member 3d reversely to that ldescribed so that the'blade may be removed from between the i i members 3c and 3d. u

MES

When the blade is to be sharpened the guard will be folded within the frame and will be retained by the links 11 and spring 13, as'in Fig. 4, and the blade holder and 4the blade ma be swung outwardly from the frame.' T e razor may then be applied to thev stropping surface 10, as indicated in Fig. 10, and by reciprocating the razor alon said surface the contact of the rollers g therewith will, through the gearing, cause rotation or rocking of the blade holder to present opposite sides of the blade edge alternately to'the surface, the blade swinging through the frame as required from side to side. Byreciprocating the razor along surface the blade edge will be draggedvupon said surface for sharpening said edge. A

Having now described my invention what I claim is 1. A safety razor comprising a frame, a

blade holderpivotally carried by the frameV to swing through the latter for stropping and a guard pivotally carried by the frame,

adapted to extend outwardly from the frame l for shaving and to fold within the frame,

and spring means cooperative with the guard and operative on opposite sides of the guard pivot for retaining the latter in shaving relation to a blade in the blade holder and for retaining the guard folded respecting the frame. l

2. A safety razor as set forth in claim 1,

. inwhich the guard is provided with means to cooperate with the blade holder to retain the blade in .shaving relation to the guard.

3. A safety razor as set forth in claim 1, in which the spring means isl connected with the guard at one side of the axis of the guard to press the guard toward the blade hol er to retain the blade in shaving relation to the ard and vto ress in a direction away from the blade hol er to retain the guard folded within the frame. f

4. A safety razor comprising a frame, a blade holder and a guard pivotally carried by the frame adapted tohextend outwardly from the frame for shaving and to fold withinthe frame, a link pivotally connected with. the guard', and a spring operatively connected with the link for retaining the guard in shaving relation to a blade and for retaining the guard folded within the frame.

5. A safety razor as set forth in claim 4,

,in which the guard is provided with means cooperative with the blade holder to retain lthe blade in shaving relation to the guard.

6. A safety-razor com rising a frame, a blade holder and a guar pivotally carried thereby adapted to extend outwardly from the frame for shaving and to fold within the frame, guard in such a Aposition that the pivotal point offtlna link will be on one side of the axis of the guard when the latter is in shav- .said gears,

a Alink pivotally connected with theV ing relation to the blade .holder and the pivotal lpoint ofthe ,link will be on a different side of the axis of the guard when the latter is folded within the frame, and a spring cooperative with the link to cause the link to press on the guard in either of said positions.

.7. A safety razor comprising a frame, a

blade holder and a guard pivotally carried thereby adapted to extend outwardly from the frame for shaving and to fold within the frame, links pivotaguard, and a spring connected with the frame and having portions cooperative with said links for pressing the guard to retain itin cooperative relation -to the lblade holder and in a folded position respecting the frame.4

Illy connected lwith the 8. A safety razor as setvforth in claim 7 in which the links are in position to be engaged by the guard when the'latt'er is folded within the frame for retaining the latter therein.

9. A` safety razor comprising a frame, a

blade holder pivotally carried by the frame to swing through the latter for stropping, and a guard pivotally carried thereby adapted to extend outwardly from the frame for shaving and to fold within the frame, the guard having means cooperative withthe blade holder to retain a blade in shaving relation to the guard, and spring means cooperative with the guard for retaining the last named means in'cooperation with the blade holder with a blade in shaving relation to the guard and for retaining th guard folded respecting the frame.

10. A safety razor comprising a frame, a blade holder and a -guard pivotally carried thereby, a gear connected with the blade holder, a gear carried by/said frame and in mesh with the first named gear and provided with a roller to engage a surface for operating the gears to rotate the blade holder, and means cooperative with one of said gears for retaining the blade holder in a set position.

11. 'A safety razor as set forth in claim 10, l

12. A safety razor as set forth in claim 10,

in which the means to retain a gear comprise a locking member adapted to engage one of and meansv slidably guiding' the locking member upon the frame to engage and disengage said gear.

13. A safety'razor as set forth in claim 10, in which the means to retain a gear comprise a locking -member adapted toengage one of said gears, lsaid frame and vmember having cooperative means member toward and from said gear to engage and release the' latter.

14. A safety razor as set forth in claim 10, in which the means to retain a gear comprise for slidably guiding said 4 mamen a locking member adapted to engage one of said gears, said frame having a slot and said mem er having a.y pin o erative in the slot for slidably retaining t e member on the frame, t-he frame having aprojecting por-V tion andthe member having a recessed portion receiving said projecting portion to prevent rotation of the member relatively to the frame. 1 HENRY J. GAISMAN.

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