US2574176A - Safety razor - Google Patents

Description

J. E. FISK SAFETY RAZOR Nov. 6, 1951 Filed oct. 13, 1944 2 SHEETS- SHEET l R. m WH m v-VA'AN l IIL'.

Patented Nov. 6, 1951 SAFETY RAZOR John Edwin Fisk, South Euclid, Ohio Application October 13, 1944, Serial No. 558,541

' (c1. en -32) Claims.

I f. lThe principal object of this invention is to prov.vide a double edge safety razor which is suiciently inexpensive so that its value to the con- -sumer will more than offset its cost if the consumer uses the razor only once or a very few times.

Another object is to provide such a razor havzing a head provided with a cylindrically convex surface arranged to carry a blade, and an effective means to bend the blade to make it conform substantially to the convexity of the head or at least to impart to the blade a Suiiicient arch to impart thereto adequate rigidity for use in shaving and further to present the razor edge at the necessary or desired shaving angle.

Another object is to provide a safety razor frame, principal portions of which are made from sheet material and which present substantially kflat surfaces adapted to be printed upon in order to enable economical application and effective 4display of advertising matter.

A further object is to provide a safety razor of vrelatively inexpensive, inherently flexible material such as paper, libre, sheet plastic or wood so constructed as to have the necessary rigidity required for shaving.

Still another object is to provide a permanently assembled safety razor blade and frame or holder fwhich assembly. can be easily and adequately cleansed by flushing with water at average tap or faucet pressure.

Other objects and features will become apparent from the following description of the illustrative forms of razor shown in the drawings in rwhich Fig. 1 is a front or rear view of the preferred form of razor in accordance herewith;

Fig. 2 is a side View of the razor of Fig. l;

Fig. 3 is a top or plan view of the same form of razor with portions of the head and blade broken away to show more clearly the relation ship of the parts;

Fig. 4 is a fragmentary sectional view taken along line 4 4 in Fig. 2;

Fig. 5 is a front or rear view of a modified form of razor employing the principles of this invention;

Fig. 6 is a top or plan view of the razor according to Fig. 5 with portions broken away;

y Figs. 7 and 8 are sectional views taken along lines 1-1 and 8 8, respectively, of Fig. 5; Fig. 9 is a perspective view of a modified form of retainer or clip used for bending theblade and holding it in place; j vf'wFig. 10 is a fragmentary front or rear-,view of the razor with the clip of Fig. 9 in operative position thereon;

Figs. 11 and 12 are views similar to Figs. 9 and 10, respectively, showing a modified blade retaining and bending clip.

Generally, Figs. l, 2, 3 and 4 show the preferred form of the razor. Figs. 5 to 12, inclusive show variations retaining the principal features of the preferred form and modified only in respect to the means for positioning and bending the blade and holding the parts assembled.

The razor as shown in all assembly views comprises a rigid head IIJ, made preferably of water repellant sheet material such as highly compressed paper or similar nbre stock substantially the length and width of the most commonly used two edged razor blade shown at I3, said head having end portions I2 of reduced Width, for example the width of the smaller end portions I3 of the blade. The shape of the head Iii, in plan view, is approximately that of the razor blade which the head underlies and Supports, being approximately coextensive therewith as shown by comparison of Figs. l to 4. The blade supporting surface of the head is preferably cylindrically convex and has alternate transverse ribs and grooves I4 and I4', respectively, extending the full width of the head. The grooves I4 form with the blade, when the blade is in operating position on the head, ducts which are open at both ends.

The ribs I4 and grooves I4' may be formed by corrugating sheet stock from which the head Ill may be economically made-for example pressed and/or rolled to form the ribs and grooves and the cylindrical convexity either before or after cutting of the stock to the desired head shape. The reduced width end portions-v I2 of the head underlying the blade portions I3 are not ribbed or corrugated. Since only the tops of the ribs have to make supporting contact with the blade, the major portion of the under surface of the blade (crosswise from cutting edge to cutting `edge) is wholly out of contact with the head.

ducts for ushing purposes Without having to alter the distance between centers of the ducts. The top margins of the head underlying the two cutting edges of the blade are preferably beveled or chamfered as at Illa.

A strip of comparatively flexible sheet material I5 of less thickness than the head surmounts the blade and head. This strip can be of approximately the Width of the smaller end portions I3 of the blade and cover the central por- 'tion of the blade for its entire length leaving both cutting edges of the blade exposed. Portions IG of the strip I5 are bent around the ends of the blade and head and are brought together as at II on the side of the head opposite the blade in symmetrical arrangement to form a handle disposed centrally of the head. Extensions I8 of the strip portions I6 thus brought together may be fastened in mutually overlapping relationship by suitable fastening means such as staples I9.

The strip I5 if of paper or fiber stock, as preferred, can be readily imprinted by ordinary methods and the portion of the strip which overlies the blade and both exposed faces of the handle portions I6 and IB may thus carry and effectively display advertising matter without greatly increasing the cost of the razor.

Wire clips or staples 20 at least partially encircling (e. g. bent around) the smaller end portions of the blade and head are provided to hold the head I0, blade I3 and strip I5 in assembled condition. Such wire clips 2B also form the principal means for bending the blade to make it conform generally to the convex side of the head constituted by the top surfaces of the ribs.

The blade, head and strip I5 can also be held together by wire clips extending longitudinally of the head. Such a method is disclosed in the modified form of razor shown in Figs. 5, 6 and 'l wherein clips 26 extend over the blade parallel to the cutting edges, over the ends of the blade and through the head, holding the strip, blade and head together in the maner of a paper staple. The strip I5 used in this form has a somewhat wider portion .ll where it overlies the wider lpart of the blade so that the strip can underlie and be bound by the clips 26. Additional unclinched staples 2l are preferably used to insure rm fastening of the strip I5 to the ends of the head III. The portions I6 and I8 of the strip I5 forming the handle may be formed to constitute matching longitudinal channels as shown in Fig. 8 which, when brought together and fastened as by pairs of clinched staples 28, afford greater rigidity to the handle because the handle so formed is tubular. If the stock ofthe strip I5 is inherently sufficiently stiff (e. g. paper tempered by pressing or impregnation with suitable plastic etc.) the strip will serve to hold the blade in curved form without assistance by the fasteners as at 2`0, Figs. l to 4, or 26, Figs. 6 to 8. The fasteners could then be further simplified and perhaps omitted from `the head parts of the razor Within the proper scope of the present invention.

Caps as shown in Figs. 9 and 11 preferably of thin sheet metal can effectively be used instead of the wire clips to hold the blade in curved condition and to hold the head parts together. The cap 3G shown in Fig. 9 has side extensions .3| at each of its four corners which may be bent inwardly in pairs to embrace the strip I 5, blade Il and head I0 as shown in Fig. 10.V The cap, in

transverse cross section. generally'conforms tol 15 the convexity of the head so as to maintain the desired curvature of the blade.

The cap 40 shown in Fig. 11 has its ends 4I bent toward each other to secure the head, blade and strip I5 together as shown in Fig. 12.

The head member I0 of Figs. 5 to '7, 10, 12, is especially adapted to be made of hard or comparatively rigid material, for instance wood or inexpensive plastic or fiber stock. The ribs and grooves I4 and I4', respectively, would in those forms be made by cutting, molding or pressing, whichever is found most appropriate; and the valleys between the ribs could in any case be straight, as shown; or, in other words, not curved to conform tothe tops of the blade supporting ribs or ridges.

The term wire as used herein does not necessarily mean that the same is circular in cross section. Several of the principles herein explained are practically applicable to safety razors of conventional or continuing use typev wherefore the invention is not to be considered confined wholly to an economically dispensable or limited use razor although the illustrated forms are designed principally with that specific market In view.

I claim:

1. A safety razor comprising a head, a blade and a strip of comparatively flexible material of approximately uniform width and thickness narrower in width than the blade, surmounting the blade and head, the ends of said strip of material extending around and intimately under the longitudinal ends of the blade and head, and forming a juncture approximately centrally beneath the head and extending downwardly beyond the juncture to form a handle for the razor.

2. A safety razor comprising a head, a twoedged blade and a strip surmounting the blade and head, the ends of the strip extending around the longitudinal ends of the blade and head and means including a wire clip looped about portions of the head, blade and strip and binding said parts permanently together.

3. A safety razor comprising a head having a convex blade supporting surface, a two-edged blade and a strip of material extending the full length of the blade overlapping the ends of the blade and head, a cap substantially rectangular in shape surmounting the strip, head and blade. said cap having extensions adjacent each end permanently bent to closely underlie the head and cause the blade and strip to conform to the convexity of the head while binding the strip, head and blade permanently together, the ends of said strip extending below the head to serve as a handle for the razor.

4. A safety razor comprising a comparatively rigid head having a generally convex top surface. a comparatively flexible double edged blade overlying said surface, a handle formed of a single strip of sheet material having an upper portion parallel to the head and lying adjacent thereto and two lower portions parallel to the head and marginally overlapping it, and fastening means securing the blade, head and said upper and respective lower portions of the strip together, said fastening means acting on said upper portion of the strip in a manner to cause the blade to conform substantially to the convexty of said surface of the head.

5. An economically disposable safety razor comprising a transversely arched, relatively rigid. supporting plate for a blade and a blade .securing strip of flexible, readily bendable material over- REFERENCES CITED The following references are of record in the le of this patent:

6 UNITED STATES PATENTS Number Number Name Date Gill et al Mar. 9, 1920 Nowak Jan. 17, 1922 Crookston Dec. 28, 1926 Reid Apr. 2, 1929 Ericsson Dec. 16, 1930 Christmas Sept. 6, 1932 Kempf June 18, 1940 FOREIGN PATENTS Country Date Austria Aug. 10, 1927

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