US1448014A - Razor-blade sharpener - Google Patents
Razor-blade sharpener Download PDFInfo
- Publication number
- US1448014A US1448014A US500321A US50032121A US1448014A US 1448014 A US1448014 A US 1448014A US 500321 A US500321 A US 500321A US 50032121 A US50032121 A US 50032121A US 1448014 A US1448014 A US 1448014A
- Authority
- US
- United States
- Prior art keywords
- blade
- razor
- glass
- blade sharpener
- holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
- B24D15/06—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges
- B24D15/10—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of safety-razor blades
- B24D15/105—Holders therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S76/00—Metal tools and implements, making
- Y10S76/09—Razor blade sharpeners
Definitions
- This invention relates to the sharpening of razor blades or other similar edged tools.
- the object of the invention is to devise a simple and cheap means for sharpening razor blades and yet one that is very eflicient.
- this invention which consists essentially in the passing over a glass surface of the bevelled edge of the blade to be sharpened and the invention includes means for holding the blades in the necessary position.
- Figure 3 is a plan view of thesharpener with a blade in place;
- J Figure 4 is an endview of the device;
- Figure 5 shows how the bevellediedge of the blade is rubbed against the glass;
- I Figure 6 shows the device as applied to 'a single edged razor blade.
- My invention is really based upon the dis covery that razor blades will be easily'sharpened -when rubbed over a glass surface in the presence of soap. -As mirrors are always necemary for the act of shaving, the.
- my invention includes the provision of a holder for a razor blade to hold the blade in such a position that one of its bevelled edges will lie flat against the lass andv then the blade is rubbed over t e glass. The sharpness which results is really surprising.
- the holder comprises a base plate 12 having lugs 13 and 14 extending upwardly therefrom, together with a threaded stem 15.
- a base plate 12 having lugs 13 and 14 extending upwardly therefrom, together with a threaded stem 15.
- a curved top 16 having apertures therethrough 17 18 and 19 adapted to register respectively with lugs 13, 14 and 15.
- a cap 20 or nut is provided. which is adapted to screw onto the parts in adjusted position.-
- the parts are disassembled. . If the blade is of the doubled edged type, it is dropped onto th base part 12 of the holder as shown in Fi ure 2 where- %hen the top part 16 of the holder is applied so.
- This method of sharpening a razor blade is What I claim is: I Y 3.
- a method of realigning the microscopic 1. A method of re-aligning the microteeth of a razor blade without abrasion 10 scopic teeth of a razor blade, which includes which includes the step of rubbing said the step of rubbing said blade on glass withblade on polished glass. out abrasion.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Description
Mar. 13, 1923. 1,448,014
J. M. WELCH RAZOR BLADE SHARPENER Filed Sepf, 15, 1921 I TI" mmmm 14% f G iNVENTOR U56 WMF0 Wag ATTORNEY Patented Mar. 13, 1223.
warren stares raraafr ojnrrca.
JOHN MARTIN WELCH, 0F BROOKLYN, NEW YORK,
MENTS, T0 BQLAND T. PARKER AND CHARLES L. MOREAU, BOTH OF assrenort, BY mmm assren- NEW YORK, 1v. 2.
RAZOR-BLADE SHARPENER.
T 0 all whom it may concern:
Be it known that 1, JOHN MARTIN WnLoH, a citizen of Canada, residing at Brooklyn, N. Y., have invented certain new and useful Improvements in Razor-Blade Sharpeners, of which the following is a specification.
This invention relates to the sharpening of razor blades or other similar edged tools. The object of the invention is to devise a simple and cheap means for sharpening razor blades and yet one that is very eflicient. To that end I have made this invention which consists essentially in the passing over a glass surface of the bevelled edge of the blade to be sharpened and the invention includes means for holding the blades in the necessary position.
It is to be understood that no abrasion of the blade takes place when being rubbed on the glass, and the soap acts as a lubricant between the lass and the blade.
It is thouglit that the microscopic teeth of the blade are lined up in this operation, which therefor sharpens the blade without abrading action.
I have illustrated one embodiment of my invention which is the best form of which I am at present informed but it is to be taken in an illustrative sense and not inv a limiting one.for .,the invention is capable of different embodiments without departing from the .spiritand scope'of the invention. That the chosen-embodiment may be clearly under- .stood,f-I have illustrated it in the accompany- 'in%d ra'wings in whichigure 1 is a perspective view of my Flgure' 2"is a planview of a double edged blade in position on the'base of my sharpener with the top of the sharpener re-.
moved;
Figure 3 is a plan view of thesharpener with a blade in place; J Figure 4 is an endview of the device; Figure 5 shows how the bevellediedge of the blade is rubbed against the glass; and I Figure 6 shows the device as applied to 'a single edged razor blade.
My inventionis really based upon the dis covery that razor blades will be easily'sharpened -when rubbed over a glass surface in the presence of soap. -As mirrors are always necemary for the act of shaving, the.
in the blade is numbered 21.
sharpening medium is therefore always present so my invention includes the provision of a holder for a razor blade to hold the blade in such a position that one of its bevelled edges will lie flat against the lass andv then the blade is rubbed over t e glass. The sharpness which results is really surprising.
In the drawings, 11 indicates the glass which, of course, may either be glass or a mirror as just described. The holder comprises a base plate 12 having lugs 13 and 14 extending upwardly therefrom, together with a threaded stem 15. Upon this base plate is provided a curved top 16 having apertures therethrough 17 18 and 19 adapted to register respectively with lugs 13, 14 and 15. A cap 20 or nut is provided. which is adapted to screw onto the parts in adjusted position.- To apply the blade to the holder, the parts are disassembled. .If the blade is of the doubled edged type, it is dropped onto th base part 12 of the holder as shown in Fi ure 2 where- %hen the top part 16 of the holder is applied so. that its concave face is nearest the glass and the cap 20'sc'rewed into position to bend the blade. as shown in'Fig. 4 until one bevel 22 of each the stem. 15 to hold of its edges lies flat against the glass, where- Where the blade is ofthe single edged type, the back of the blade is held between the bottom plate 12 and the top 16 as shown 1n Fig. 6 and the rubbing action is carried out as previouslydescribed. The holder is so small that it can'be car-- ried unobtrusivelyin any container for the razorand with the holder bright nickel plated, 1t 1s very attractive and matches"? the razor in both design and appearance.
surprisingly effective and only one bevel of each edge needs to be sharpened if the operator is careful to shave with the sharpened bevel against his face.
This method of sharpening a razor blade is What I claim is: I Y 3. A method of realigning the microscopic 1. A method of re-aligning the microteeth of a razor blade without abrasion 10 scopic teeth of a razor blade, which includes which includes the step of rubbing said the step of rubbing said blade on glass withblade on polished glass. out abrasion. In testimony whereof I have afixed my 2. The method of claim 1, with the step signature to this specification. of first applying to the glass an abrasion preventing medium.
JOHN MARTIN WELCH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US500321A US1448014A (en) | 1921-09-13 | 1921-09-13 | Razor-blade sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US500321A US1448014A (en) | 1921-09-13 | 1921-09-13 | Razor-blade sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1448014A true US1448014A (en) | 1923-03-13 |
Family
ID=23988898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US500321A Expired - Lifetime US1448014A (en) | 1921-09-13 | 1921-09-13 | Razor-blade sharpener |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1448014A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4878321A (en) * | 1988-07-20 | 1989-11-07 | Whitehead Stanley A | Automatic portable sharpening kit for electric cattle shearers/clippers |
-
1921
- 1921-09-13 US US500321A patent/US1448014A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4878321A (en) * | 1988-07-20 | 1989-11-07 | Whitehead Stanley A | Automatic portable sharpening kit for electric cattle shearers/clippers |
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