US2666987A - Safety razor blade honing device - Google Patents

Description

Jan. 26, 1954 E. scHRAMM SAFETY RAZOR BLADE HONING DEVICE Filed NOV. 25, 1952 INVENTOR. ELLA "cHRAMM atented Jan. Z6, 1954 liteit,

FECE

SAFETY RAZOR BLADE HONING DEVCE Ella Schramm, Brooklyn, N. Y. Application November 25, 1952, Serial No. 322,511

3 Claims.

This invention relates to devices for holding the blades used in safety razors while they are being stropped or honed, or while being used for cutting material.

principal object ci the present invention is to provide a device which will rigidly hold the blade while it is being sharpened, or while it is material, and in which the blade may be readily secured and released.

A further object of the invention is to provide a device of this ltind with means ior supporting the blade holder at the proper angle relative to the material being cut in order to facilitate the cutting oi the material.

A. still further object of the invention is to provide a device of this kind which is readily convertible from a device for holding a razor blade while being sharpened, to a device for cutting material.

Another object of the invention is to provide a device of this kind which is compact, is characterized by fewness of parts, and is highly eilicient in use.

It is a further object of the invention to construct a novel safety razor blade honing device which is simple and durable and which can be manufactured and sold at a reasonable price.

For further comprehension of the invention, and oi the objects and advantages thereof, reference will be had to the following description and accompanying drawings, and to the appended claims in whi i the various novel features of the invention are more particularly set forth.

in the accompanying drawings forming a inaterial part of this disclosure:

Fig. l is a perspective view of a device for holding a safety razor blade while being sharpened, embodying one form of the invention, the blade being omitted.

Fig. 2 is a similar View showing the clamping plates in open position and showing a blade in dotted lines.

Fig. 3 is a fragmentary longitudinal sectional view through the body of the device, one of the blade clamping plates being shown in elevation and the blade being shown in position.

Fig. Il is an enlarged vertical sectional view taken on the plane or" the line -d of Fig. l, with the blade clamped position.

Fig. 5 is a perspective 'View of a modied form ci" the invention shown in position for cutting material.

Fig. 6 is a fragmentary longitudinal sectional view of the form of Fig. 5.

Fig. 7 is a side elevational View of the clamping 2 plate and positioning plate of the form of Fig. 5, in disassembled position.

Fig. 8 is a similar View, but showing the positioning plate in extended position on the clamping plate.

Fig. 9 is an enlarged vertical sectional View taken on the plane of the line 9--9 oi Fig. 5.

Referring to the drawings, a blade holder made in accordance with the iirst forni of the invention shown in Figs. l to d, inclusive, comprises an elongated tubular body lil of resilient sheet metal, substantially circular in cross-section. rThe body is formed with a razor blade holding portion H at one end, the other end of the body being knurled on its outer surface as indicated at i2, and serving as a handle. The blade holding portion is formed with an elongated slot i3 intersecting the opening at the end of the body.

A pair oi complemental resilient blade receiving and clamping plates itl and i5 are mounted in the slot it. Each plate is substantially the size and shape of a conventional safety razor blade and is formed at one end with a perforated ear I6. A transversely extending pivot pin l? extends through aligned cpenings in the body lil and through the aligned ears it whereby the plates are pivotally and independently mounted so that they may be swung through the slot i3 subsequent to receiving a safety razor blade it. The other end of each plate is formed with an integral extension id, said extensions projecting through and beyond the open end of the razor blade holding portion Il so as to be readily engaged by the finger of the user.

In the use of the device, the clamping plates l and l 5 are swung outwardly of the blade holding portion Il so as to permit the plates to move relative to each other. The razor blade i8 is then inserted between the plates. The plates are then moved toward each other and swung inwardly of the slot I3, the resiliency of the walls of the slot causing the plates to bind on the blade to prevent movement of the blade in any direction relative to the holder. The blade is then ready for stropping or honing, there being no danger of the blade slipping or becoming accidentally displaced.

In the modied form of the invention shown in Figs. 5 to 9, inclusive, the tubular body i0', with its razor blade holding portion il and knurled handle portion I2', is constructed the same as the tubular body lil of Figs. l to 4, inclusive. However, its clamping plate Ul is formed on its inner surface with spaced protuberances 20, 2| and 22, adjacent its top end, in line with the perforation in its ear I6. An elongated positioning and supporting plate 23 is interposed between the clamp-l ing plates I4 and I5' and is provided with spaced openings 24, 25 and 26 for receiving the protuberances on plate Ill'. 'Ihe spacing between the openings correspond to the spacing between the protuberances. rThe plates I4 and I5 are adapted to clampingly support the razor blade I8 with its cutting edge projecting therefrom.

In using this form of the invention, for sharpening the razor blade I8', the positioning and supporting plate 23 is supported on the clamping plate lll with the protuberances 20, 2i and 22 received in the openings Zd, 25 and 26, respectively, so that the outer end of the plate 23 is in alignment with the outer ends of the finger extensions I9 of the plates I and I5. The lower ends of the plates iii and I5' rigidly bind the razor blade for stropping and honing on a strap.

When it is desired to use the blade I8 of this form of the invention for cutting material, such as fabrics, paper and the like, the positioning and supporting piste 23 is projected outwardly and laterally of the nger extensions I9' of the plates i4 and I5. This is accomplished by moving the plate 23 along the clamping plate I4 and placing the openings 25 and 2S over and in interlocking relationship with the protuberances 20 and 2 I, respectively, on the plate ifi so that the outer end of said plate 23 extends outwardly beyond the outer ends of the finger extensions i9', as shown in Figs. 5 and 8. When the positioning plate 23 is in this extended position, the lower Ecorner of the outermost end of said plate serves as a guide to position the blade holding portion I I and blade I8', at the proper angle for cutting the material. The corner of the plate 23 and the corner of the blade I8 serve as a two-point support for the blade so that it is held in a steady position for cutting the material along a straight line.

While I have illustrated and described the preferred embodiments of my invention, it is to be understood that I do not limit myself to the precise constructions herein disclosed and the right is reserved to all changes and modifications coming within the scope 0f the invention as defined in the appended claims.

Having thus described my invention, what I claim as new, and desire to secure by United States Letters Patent is:

1. In a safety razor blade holder of the kind de scribed, a tubular body having an elongated slot at one end and a handle portion at the other end, a pair of clamping plates pivotally mounted in the body for receiving and clamping a safety razor blade therebetween, said plates being swingable through said slot, extensions on the ends of said plates projecting through the open end of the slotted end of the body, spaced protuberances on the inner surfaces of one of said clamping plates, and an elongated movable plate interposed between the plates within the body, said elongated plate having spaced openings therein, the spacing between said openings corresponding to the spacing between said protuberances, whereby the movable plate may be shifted along the clamping plates and extensions and held in extended position beyond the outer ends of the extensions for positioning the clamping plates and supported blade in proper angular position for cutting material with the blade.

2. A safety razor honing device comprising an elongated tubular body of sheet metal, a safety razor blade holding portion formed at one end of the body, a knurled handle portion at the other end of the body, said blade holding portion having an elongated slot, a pair of clamping plates pivotally mounted in said slot and adapted to receive and clamp a safety razor blade therebetween, extensions on one end of said plates, spaced protuberances on the inner surface of one of said clamping plates, an elongated movable plate interposed between said clamping plates and said extensions, said movable plate having spaced openings, the spacing between said openings corresponding to the spacing between said protuber ances for receiving the protuberances, said movable plate being normally positioned on said clamping plate with its outer end registering with the outer ends of the extensions on said clamping plates, said movable plate being shiftable along the clamping plates so as to extend its outer end outwardly beyond the outer ends of the extensions on the clamping plates whereby the outer end of said movable plate serves to guide the plate holding portion to proper angular position for cutting material with the blade 3. The combination of claim l wherein the movable plate is of a slightly lesser thickness than the razor blade.

ELLA SCHRAMM.

References Cited in the le of this patent UNITED STATES PATENTS Number Name Date 2,086,234 Neidhart July 6, 1937 2,280,007 Plateck Apr. 14, 1942

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