US2769233A - Safety razor - Google Patents

Description

J. l. DUKE SAFETY RAZOR Nov. 6, 1956 Filed Aug. l2, 1954 INVEN'IOR. y pzlke e' @my ATTDRN EYS United States Patent O SAFETY RAZOR Jeptha Ivey Duke, Miami, Fla.

Application August 12, 1954, Serial No. 449,321

4 Claims. (Cl. 30-69) This invention relates to a safety razor.

The object of the invention is to provide a safety razor which includes a frame and a roller for engagement with a persons skin whereby a more efcient shave can be eifected.

Another object of the invention is to provide `a safety razor which is easy to use even around the nose and the ears, there being a roller which rolls the lather and beard away from the cutting edge so that the blade can readily cut the beard and wherein the razor is easy to clean, the blade being usually removable from the razor.

A further object of the invention is to provide a safety razor which is extremely simple and inexpensive to manufacture.

Other objects and advantages will be apparent during the course of the following description.

In the accompanying drawings, forming a part of this application, and in which like numerals are used to designate like parts throughout the same:

Figure 1 is a side elevational view of the safety razor, constructed according to the present invention.

Figure 2 is a fragmentary plan view of the safety razor of the present invention.

Figure 3 is a sectional view taken on the line 3--3 of Figure 2.

Figure 4 is a sectional view taken on the line 4--4 of Figure 3.

Figure 5 is a perspective view of the support member.

Figure 6 is a plan view of the blade.

Referring in detail to the drawings, the numeral 10 designates a handle which may have a tapered construction so that one end is of greater diameter than the other end, and the exterior surface of the handle 10 is knurled as at 11 so as to facilitate the manual gripping of the handle. Extending from one end of the handle 10 is a shank 12 which is provided with an interiorly threaded socket 14, Figure 3. The handle 10 is further provided with an annular groove 15 which is arranged adjacent the shank 12, and a support member 16, Figure 5, is detachably connected to the handle 10.

The support member 16 includes an annular collar 17 which surrounds the groove 15, and the collar 17 is provided with an opening 18. A suitable securing element such as a screw 19 extends through the opening 18 and into engagement with the groove 15 for preventing accidental disengagement of the support member 16 from the handle 10.

The support member 16 further includes a bracket 20 which has a curved shape as shown in Figure 3, and the bracket 20 has formed integral therewith or secured thereto an angularly arranged base 21. Projecting from the base 21 is a pair of spaced parallel apertured ears 22 for a purpose to be later described, and extending from each of the ears 22 is a guard lug 23. The lugs 23 help prevent or help to insure that the user will not accidentally cut himself with the razor blade while he is shaving.

Journaled in the support member 16 is a roller 24 which is provided with a plurality of spaced parallel ridges 2,769,233 Patented Nov. 6, 1956 Mlce or grooves 25 in its outer surface, and the grooves 25 extend longitudinally along the outer surface of the roller. Pins or trunnions 26 extend from each end of the roller 24, and the trunnions 26 project through the apertures in the ears 22. It will be seen that when the safety razor is in its assembled position as shown in Figure 3, the roller 24 is spaced slightly from the cutting edge 28 of the blade 27 so that the skin and beard is moved the proper distance in order to insure eifective cutting by the blade 27.

The base 21 of the support member 16 is provided with an opening or cut-out 28 which registers with an opening 29 in the blade 27, Figure 6. The ends of the blade 27 are rounded as at 30 whereby there are no sharp edges which project out from the ends of the blade to accidentally cut a person. It will be seen from Figure 2 of the drawings that the blade 27 is slightly longer than the base 21 so that end portions of the blade 27 project beyond the razor whereby these end portions can be readily manually grasped when the blade is to be replaced or removed.

. There is further provided a clamp 31 which includes a body portion 32 that is arranged contiguous to one side of the razor blade 27. Projecting from the clamp 31 or formed integral therewith is an exteriorly threaded stern 33 which is arranged in threaded engagement with the socket 14 in the shank 12, Figure 3. The clamp 31 further includes an arcuate section 34 which is arranged contiguous to the outer surface of the bracket 20. Thus, when the razor is to be taken apart, the handle 10 can be manually rotated so as to cause disengagement of the stem 33 from the socket 14 whereby the clamp 31 can be removed. Then, the screw 19 can be removed so that the support member 16 can be detached from the handle. The end portion of the clamp 31 is tapered or beveled as at 35, and the corresponding end portion of the base 21 is also tapered or beveled as at 36, whereby the cutting edge 28 of the blade 27 is exposed to provide a more eilicient cutting action by the blade.

From the foregoing it is apparent that there has been provided a safety razor which includes the handle 10, support member 16, and clamp 31 and blade 27. The stem 33 of the clamp 31 projects through the opening 29 in the blade 27 and also through the opening 13 in the base 21. With the parts arranged as shown in Figures l, 2 and 3, the handle 10 is gripped and the razor is moved across the face. The roller 24 with the ridges 25 moves or stretches the skin and beard or other hair the proper distance so that the hair can be effectively severed or cut by the sharp edge 28 of the blade 27. The guards 23 prevent accidental cutting of the face by the edge 28, and the projecting ends of the blade 27 can be readily gripped as shown in Figure 2 when the blade is to be removed or replaced. The clamp 31 can be readily detached by unscrewing the handle 10 whereby the stem 33 will separate from the socket 14. Also, by removing the screw 19 the support member 16 can be removed. Thus, all parts can be effectively cleaned or separated when desired.

The parts are constructed so that there will be no clogging of the blade so that the razor will not be choked up with hair or the like. With the present invention a person can readily shave around his ears or nose and the roller 24 rolls the lather and beard away from the cutting edge 28 so that the edge is free to cut the hair. The blade can be dipped in water when it is to be cleaned and the razor will cut hairs even though they may be long. Also, the razor does not have to be taken apart when the blade is to be removed since the handle 10 can be unscrewed slightly and then the blade 27 can be removed and replaced. The razor utilizes the special blade 27 shown in Figure 6. Further, no special apparatus is required to replace the blades. The opening 29 through which the stem 33 projects serves to center the blade, and when the blade is to be removed, the handle can be rotated. lt is to be noted that the blade extends out on each end of the razor so that the thumb and linger on the same hand can lift the cutting edge of the blade above the guard lug, after the blade has been released by turning the handle and then the blade can be lifted out without replacing the hold on the blade. The blade can be replaced in the same way. By having the set screw 19 extended through the slot ',u the handle i@ can rotate freely with respect to the support member 16, but these parts cannot become accidentally separated.

The razor may have a width of 11/2 inches and may be 3l inches long including the handle. Also, the distance from the bottom of the roller to the top of the razor is one-half an inch and the diameter of the roller is five thirty-seconds of an inch.

I claim:

l. In a safety razor, a tapered handle provided with an exteriorly knurled surface, a shank extending from one end of said handle and provided with an interiorly threaded socket, there being an annular groove in said handle, a support member including an annular collar surrounding said groove, a securing element projecting through said collar into said groove, a bracket extending from said collar, a base arranged angularly with respect to said bracket and extcndingtherefrom, there being an opening in said base, a pair of apertured ears extending from said base, a roller having trunnions journaled between said ears and provided with a plurality of spaced parallel longitudinallyA extending grooves, said roller being spaced from the free edge of saidbase, a blade arranged contiguous to said base and provided with an intermediate opening registering with the opening in said base, a clamp including a stern projecting through the registering openings in said blade and base, said stern being threaded exteriorly and engaging the socket in said shank, said clamp including a body portion arranged contiguous to said blade, and a curved section engaging said bracket.

2. The apparatus as described in claim l, and further including lugs projecting from said ears for preventing accidental cutting of the users skin by the blade.

31 In a safety razor, a tapered handle provided with an exteriorly knurled surface, a shank extending from one end of said handle and provided with an interiorly threaded socket, there being an annular groove in said handle, a support member including an annular collar surrounding said groove a securing element projecting through said collar into said groove, a bracket extending from said collar, a base arranged angularly with respect to said bracket and extending therefrom, there being an opening in said base, a pair of apertured ears extending from said base, a roller having trunnions journaled between said ears and provided with a plurality of spaced parallel longitudinally extending grooves, said roller being spaced from the free edge of said base, a blade arranged contiguous to said base and provided with an intermediate opening registering with the opening in said base, a clamp including a stem projecting through the registering openings in said blade and base,Y said stem being threaded exteriorly, and engaging the socket in said shank, said clamp including a body portion arranged contiguous to said blade, and a curved section engaging said bracket, guard lugs projecting from said ears, the free edge of said body portion being shaped to provide a tapered edge, the edges of said blade being rounded and extending beyond the ends of said base, said blade having a cutting edge arranged contiguous to said roller. v l

4. In a safety razor, a handle provided with an exteriorly knurled surface, a shank extending from said handle and provided with a threaded socket, there being a groove in said handle, a support member including a collar surrounding said groove, a securing element projecting through said collar into said groove, a bracket extending from said collar, a base arranged angularly with respect to said bracket and extending therefrom, there being an opening in said base, a pair of apertured ears extending from saidv base, a roller having trunnions journaled between said ears and provided with a plurality of grooves, said roller being spaced from the free edge of said base, a blade arranged contiguous to said base and provided with an opening registering with the opening in said base, a clamp including a stem projecting through the registering openings in said blade and base, said stem engaging the socket in said shank, said clamp including a body portion contiguous to said blade, and a curved portion engaging said bracket.

References Cited in the le of this patent UNITED STATES PATENTS

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