United States Patent Office.
Leon Ebner, of Philadelphia, Pennsylvania.
Specification of Letters Patent.
Patented Feb. 18, 1908.
Application filed November 22, 1907. Serial No. 403,248
To all whom it may concern:
Be it known that I, Leon Ebner, a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented certain new and useful Improvements in Safety-Razors, of which the following is a specification.
The principal object of the present invention is to provide a simple, compact and efficient device constructed with particular reference to superior convenience for assembling and dis-assembling the parts.
A further object is to provide a safety razor so constructed that its parts may be dis-assembled and folded into compact form.
Other objects of the invention, not at this time more particularly mentioned will be fully understood from the following detailed description of the invention.
The invention consists of the improvements hereinafter described and finally claimed.
The nature, characteristic features and scope of the invention will be more fully understood from the following description taken in connection with the accompanying drawings forming part hereof, and of which
Figure 1, is an elevational view of a safety razor embodying the invention. Fig. 2, is a similar view illustrating certain parts detached. Fig. 3, is a sectional view of the upper part of the razor, drawn to an enlarged scale, and taken at right angles to Fig. 1. Fig. 4, is a sectional view taken on the line 4—4 of Fig. 3. Fig. 5, is an elevational view of Fig. 3, and illustrating the position of the lock-nut prior to dis-assembling the parts of the razor. Fig. 6, is an elevational view illustrating a slightly modified form of the invention. Fig. 7, is a similar view illustrating certain of the parts detached and also showing the hinged relation of certain of the parts. Fig. 8, illustrates in elevation and section a still further modified form of the invention and wherein certain of the farts are adapted to be carried within the hollow handle of the razor, and Figs. 9 and 10, are views illustrating a blade and blade holder used in connection with the razor shown in Fig. 8.
Referring to the drawings, there is shown a straight tubular handle 1, which may have its outer surface roughened to enable it to be securely gripped when in use. Rising from the handle 1, is a stem 2, of slightly smaller diameter than the handle. Carried by the stem 2, is a backing plate 3, concavo-convex in cross section and having formed upon its side edges tooth-like projections 4, the said plate being preferably formed integral with the stem 2. The backing plate is provided centrally thereof with a slot 5, which communicates with a slot 6, in the stem 2. This backing plate is also provided with perforations 8. There is also provided a removable flexible razor blade 7, provided with perforations 9 and a centrally arranged slot 10.
Surmounting the backing plate and razor blade is an operating plate 11, also concavo-convex in cross section and being provided with studs 12, and a centrally arranged threaded extension 13. As shown, this threaded extension 13, is provided with flat sides 14a, and the threaded portions are arranged upon what may be termed its respective ends. This threaded extension is adapted to penetrate the central openings in the razor blade and backing plate and is extended within the slotted stem 2, as illustrated. In this connection, it may be remarked that the threaded ends project slightly beyond the walls of the slotted stem 2, and are adapted to engage with and be locked to place by a lock-nut 14. This lock-nut 14, is shown as being free to move vertically with respect to the stem 2, and its downward movement is limited by the shoulder 15, formed by the upper part of the handle 1. To assemble the razor parts, the razor blade is placed upon the backing plate and the openings and slot therein are alined with the openings and slot in said backing plate. The operating plate with its studs and threaded extension is then placed in position, the said studs passing through the openings in the blade and backing plate and the threaded extension of the operating plate passing through the slot in the blade and backing plate and passing down within the slotted portion of the stem 2, of the handle 1. The lock-nut is then pushed upward to engage the threaded extension and by turning said locknut from left to right, the operating plate is drawn downward, and the razor blade flexed so as to cause its cutting edges to approach the tooth-like projections 4. By turning the lock-nut from right to left, the razor blade is permitted to assert itself and pushes the operating plate upward and away from the backing plate, and as the thing is done, the blade assumes its normal or flat shape and the lock-nut is then disengaged from the threaded extension, whereupon the blade and operating plate may be readily withdrawn.
Referring now to Figs. 6, and 7, the construction thereof is the same as the above ‘described parts with the exception that the stem is in two-parts and is hinged as at a1, in order that the backing plate may be swung over from a horizontal to a vertical position when the razor is not in use. As shown in the drawings, the stem a, may comprise a tubular member provided with a flattened extension b. The backing plate 4, carries the bifurcated member c, which straddles the extension b, and is pivoted thereto by means of a pivot d. The tubular extension and the lower portion of the bifurcated extension c, are inclined with respect to each other as at c1, so that the pivoted backing plate may only turn in one direction when it is desired to bring it from a horizontal to a vertical position, the object of which, of course, is to make the razor parts firm with respect to the handle when in operative position. The operation of this device, will be understood in connection with the foregoing description without further comment.
Referring now to Figs. 8 to 10, inclusive, the razor parts are shown as being carried by a tubular hollow handle E, provided with a screw threaded interior part F, adapted to receive a similarly threaded cap G.
H is a cap adapted to be fitted to the handle E. As shown in the drawings, the razor parts are similar to those described with reference to Figs. 6 and 7,.and it will be understood that by swinging the backing plate together with the blade and operating plate from a horizontal to a vertical position, as shown in Fig. 8, the cap H, may be fitted to place. The case I may be readily placed within the handle E, and the cap G, screwed to place and such a razor obviously presents a neat appearance and occupies but little space. The blade case is shown as comprising a comparatively thin metallic case centrally perforated for the reception of a spring controlled catch J. This catch is provided with a flattened spear-like head K, adapted to penetrate the slotted blade and by slightly turning said catch cause the flattened head to extend across the slotted portion of the blade and securely hold the same to place. Obviously the lock-nut holds the positioning late and blade firm with respect to the handle. The cap H may be fitted over the part L, as shown in dotted lines when using the razor.
What I claim is:
1. A safety razor comprising a tubular handle, a smaller stem carried by the handle and having formed integral therewith a backing plate, said plate and stem being centrally slotted, a centrally slotted blade, an operating plate for co-action with the backing plate, said operating plate being provided with a centrally arranged and threaded projection for penetrating the aforesaid slotted parts, and a lock-nut for engaging the threaded projection whereby the operating plate is drawn toward the backing plate to hold and flex the blade.
2. A safety razor comprising a handle having a stem, a slotted backing plate provided with a bifurcated member said member having pivotal relation with said stem, a slotted blade, an operating plate for co-action with the backing plate said operating plate being provided with a centrally arranged and threaded extension for penetrating the aforesaid slotted parts, and a lock-nut for engaging the threaded projection whereby the operating plate is drawn toward the backing plate to hold and flex the blade.
3. A safety razor comprising a hollow handle screw threaded at its lower end for the reception of a screw-threaded cap, a top cap, a stem superposed, upon the handle, a backing plate provided with a bifurcated extension said extension having pivotal relation with the stem, a blade, an operating plate having a threaded extension for penetrating the blade, backing plate and bifurcated extension, and a locking-nut for engaging the threaded extension whereby the operating plate is drawn toward the backing plate to hold and flex the blade.
In testimony whereof I have hereunto signed my name in the presence of witnesses.
W. J. Jackson,
Eva E. Edgs.