US2632242A - Safety razor - Google Patents
Safety razor Download PDFInfo
- Publication number
- US2632242A US2632242A US141413A US14141350A US2632242A US 2632242 A US2632242 A US 2632242A US 141413 A US141413 A US 141413A US 14141350 A US14141350 A US 14141350A US 2632242 A US2632242 A US 2632242A
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- US
- United States
- Prior art keywords
- blade
- guard
- mound
- cutting edge
- shaver
- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
Definitions
- This invention relates to safety razors and is an improvement on the shavers disclosed in my copending applications, Serial Nos. 87,907 and 107,461, filed April 16, 1949, and July 29, 1949, respectively, having matured into Patents No. 2,556,208 and No. 2,598,711 respectively, the disclosures of these applications being incorporated herein by reference to the extent that they are not inconsistent with the present disclosure.
- my shaver is characterized by having an annular blade provided with an interior cutting surface preferably, although not necessarily, circular in shape, so that as the shaver is moved across the face, there is always a more or less diagonal movement of the cutting edge across each beard stubble with the result that a smoother and cleaner shave is achieved. Furthermore, the shaver may be moved across the face with a circular motion, and since the shaver shaves equally well with any direction of movement, the beard stubble may be readily cut regardless of the angle of the stubble as it emerges from the face skin.
- the diameter of the cutting blade has been made slightly larger, and the holder for the blade has been modified to provide greater safety in handling, greater accuracy in providing the desired adjustment for the blade, and greater convenience in cleaning the razor after use.
- Fig. 1 shows a side elevational View of my improved shaver with parts broken away to show the internal construction
- Fig. 2 is a plan view of the shaver
- Fig. 3 is a bottom view with parts broken away to expose other parts of the shaver
- Fig. 4 is an exploded perspective view which clearly shows the components of the shaver
- Fig. 5 is an enlarged vertical sectional View showing the guard mound in safety position
- Fig. 6 is a view corresponding to Fig. 5, but showing the guard mound lowered to shaving position
- Fig. '7 shows the manner in which the shaver may be held against a faucet for rapid cleaning of the blade.
- the entire shaver is preferably made of aluminum, with the exception of the blade which may be of stainless steel, so that the shaver is lightweight and will not rust.
- the shaver consists essentially of a tubular body member I0, an annular blade I I, a retaining cap I 2, a hollow guard member l 3 which is telescopically received within the body member it, and which carries at its lower end a rubber sealing gasket or Washer 14.
- the blade 1 I is annular in shape and has a circular cutting edge 15 along its inner margin. More specific characteristics are disclosed and claimed in my Patent No. 2,598,711, and need not be further described here.
- the upper margin of the body it has a blade seat It (Fig. 5) which receives and supports the outer peripheral wall of the blade I l.
- the blade is held firmly on this seat by the retaining cap I 2 which has an inwardly extending lip I 'i which extends over and engages the outer face of the blade H.
- the cap l2 has a threaded connection 18 with the body ii! as shown most clearly in Fig. 1.
- the inner body or guard member 13 is hollow, has a rim portion IS, a threaded portion ill, a stem portion 26, and a guard mound 22.
- the guard member is telescopically received, within the outer body it, and a plurality of spacing lugs 23 engages the inner wall of the tubular body It to position the guard mound 22 accurately with respect to the cutting blade II.
- the body member It has an internal threaded portion 24 which receives the threaded portion 28 of the guard member l3, and the position of the guard mound with respect to the blade is adjusted by a rotary movement of the guard member 23 with respect to the body member It.
- the guard mound 22 extends slightly above the cutting edge I5 of the blade as shown in Fig. 5, and thereby prevents any possible cutting action from taking place.
- the guard member is unscrewed a predetermined amount which brings the top of the guard mound slightly below the cutting edge I5 as shown in Fig. 6, and it will be understood that the exact position of the guard mound with respect to the cutting edge I5 is determined by the extent to which the guard member l3 is unscrewed from the body member l0.
- I have provided a spring detent arrangement which yieldingly holds the 3 guard member in preselected angular positions with respect to the body member Ill.
- the arrangement consists of a ball-headed plunger 25 mounted in the rim I9 of the guard member I3 and yieldably engageable within semi-spherical depressions or notches 26 provided in the lower face of the body member It. It will be understood that when the guardmember i3 is firmly screwed into the body member iii so that the guard mound 22 is in the position shown in Fig.
- the stem portion 2! of the guard member i3 has a plurality of radial ports 2? to provide communication between the interior of the guard member 53 and the annular space 28 which lies between the stem 21 and body member it.
- Cleaning of the razor may therefore be easily effected by merely holding the bottom of the shaver against a faucet, as shown in Fig. 7, so that the spout of the faucet extends either into the rubber gasket i l or against its face, and water is then permitted to fiow with pressure through the ports 2? and annular space 28, and then outwardly through the small clearance space between the blade i and mound 22.
- all droplets of water may be blown from the shaver by holdin the bottom portion to the mouth and sharply blowing through the shaver.
- the sealing ring I i may be made of rubber or any other suitable yieldable material, and preferably has an annular flange 29 which engages a mating depression in the guard member 3 to hold it in place.
- the guard mound 22 is preferably shaped as shown in Figs. 1, 4, 5, and 6, the depression 33 having been found to act somewhat as a suction cup to support the skin in the proper angular position with respect to the blade i i.
- each of the rotary parts that is, the retaining cap l2, body member Iii, and guard member iii, are provided with knurled or ribbed portions 3! as indicated by Fig. 7 to facilitate assembly and adjustment of the parts.
- annular blade mounted on the seat and having a cutting edge along its inner margin
- 2. re,- taining cap for holding the blade on the body, a guard member threadedly received within the body and having a guard mound extending into proximity with the cutting edge of the blade and concentric therewith, said guard member and body having passageways therethrough for directing flushing water outwardly through the space between the cutting edge and the guard member.
- a tubular .body having a blade seat adjacent its upper face, an annular blade mounted on the seat and having a cutting edge along its inner margin, a retaining cap for holding a blade on the body, a hollow guard member telescopically mounted within the body member and having a guard mound extending into proximity with the cutting edge of the blade and providing clearance space therebetween, said guard member having radial ports therein whereby flushing water may be introduced into the razor through the bottom of the guard member, then radially through said ports, and finally past the cutting blade and through the clearance space between the blade and the guard member, and a washer secured in the lower end of the guard member adapted to receive a spout of a faucet for the introduction of the flushing water.
- a tubular body having a blade seat adjacent its upper face, an annular blade mounted on the seat and having a cutting edge'along its inner margin, a re taining cap for holding a blade on the body, and a guard member threadedly received within the body and having a guard mound extending into proximity with said cutting edge and concentric therewith, said mound having a rounded depression in its upper face.
- a tubular body having a blade seat adjacent its upper face, an annular blade mounted on the seat and having a cutting edge along its inner margin, a retaining cap for holdin a blade on the body, and a guard member threadedly received within the body and having a guard mound extending into proximity with said cutting edge, and means for adjusting the axial position of the guard mound with respect to the cutting edge.
- a tubular body member having a blade seat adjacent its upper face, an annular blade mounted on the seat and having a cutting edge along its inner margin, a retaining cap for holding a blade on the body member, and a guard member threadedly received within the body member and having a guard mound extending into proximity with said cutting edge, and means for adjusting the axial position of the guard mound with respect to the cutting edge, said means comprising a spring detent carried by one member and notches providid in the other member for cooperation there- W1 FERDINANDQ PASQUALE MUsso.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Shavers And Clippers (AREA)
Description
March 24, 1953 Filed Jan. 31, 1950 F. P. MUSSO SAFETY RAZOR 2 SHEETS-SHEET l INVENTOR.
WWO
March 24, 1953 F. P. 'MUSSO SAFETY RAZOR 2 Sl-IEETS-SHE-ET 2 Filed Jan. 51, 1950 INVENTOR.
Patented Mar. 24, 1953 UNITED STATES PATENT OFFICE Claims.
This invention relates to safety razors and is an improvement on the shavers disclosed in my copending applications, Serial Nos. 87,907 and 107,461, filed April 16, 1949, and July 29, 1949, respectively, having matured into Patents No. 2,556,208 and No. 2,598,711 respectively, the disclosures of these applications being incorporated herein by reference to the extent that they are not inconsistent with the present disclosure.
As disclosed in these prior applications, my shaver is characterized by having an annular blade provided with an interior cutting surface preferably, although not necessarily, circular in shape, so that as the shaver is moved across the face, there is always a more or less diagonal movement of the cutting edge across each beard stubble with the result that a smoother and cleaner shave is achieved. Furthermore, the shaver may be moved across the face with a circular motion, and since the shaver shaves equally well with any direction of movement, the beard stubble may be readily cut regardless of the angle of the stubble as it emerges from the face skin.
In the improved safety razor disclosed in this application, the diameter of the cutting blade has been made slightly larger, and the holder for the blade has been modified to provide greater safety in handling, greater accuracy in providing the desired adjustment for the blade, and greater convenience in cleaning the razor after use.
These and other objects and advantages will become apparent as the disclosure proceeds and the description is read in conjunction with the accompanying drawings, in which:
Fig. 1 shows a side elevational View of my improved shaver with parts broken away to show the internal construction;
Fig. 2 is a plan view of the shaver;
Fig. 3 is a bottom view with parts broken away to expose other parts of the shaver;
Fig. 4 is an exploded perspective view which clearly shows the components of the shaver;
Fig. 5 is an enlarged vertical sectional View showing the guard mound in safety position;
Fig. 6 is a view corresponding to Fig. 5, but showing the guard mound lowered to shaving position; and
Fig. '7 shows the manner in which the shaver may be held against a faucet for rapid cleaning of the blade.
It will be understood that the illustration and description of a preferred form of this invention are for the purpose of complying with Section 4888 of the Revised Statutes, and should not be construed as imposing undue limitations on the appended claims.
The entire shaver is preferably made of aluminum, with the exception of the blade which may be of stainless steel, so that the shaver is lightweight and will not rust.
As shown in Fig. 4, the shaver consists essentially of a tubular body member I0, an annular blade I I, a retaining cap I 2, a hollow guard member l 3 which is telescopically received within the body member it, and which carries at its lower end a rubber sealing gasket or Washer 14.
The blade 1 I is annular in shape and has a circular cutting edge 15 along its inner margin. More specific characteristics are disclosed and claimed in my Patent No. 2,598,711, and need not be further described here.
The upper margin of the body it has a blade seat It (Fig. 5) which receives and supports the outer peripheral wall of the blade I l. The blade is held firmly on this seat by the retaining cap I 2 which has an inwardly extending lip I 'i which extends over and engages the outer face of the blade H. The cap l2 has a threaded connection 18 with the body ii! as shown most clearly in Fig. 1.
The inner body or guard member 13 is hollow, has a rim portion IS, a threaded portion ill, a stem portion 26, and a guard mound 22. The guard member is telescopically received, within the outer body it, and a plurality of spacing lugs 23 engages the inner wall of the tubular body It to position the guard mound 22 accurately with respect to the cutting blade II. The body member It has an internal threaded portion 24 which receives the threaded portion 28 of the guard member l3, and the position of the guard mound with respect to the blade is adjusted by a rotary movement of the guard member 23 with respect to the body member It.
When the guard member I3 is screwed tightly into the body member ID, the guard mound 22 extends slightly above the cutting edge I5 of the blade as shown in Fig. 5, and thereby prevents any possible cutting action from taking place. When the shaver is readied for use, the guard member is unscrewed a predetermined amount which brings the top of the guard mound slightly below the cutting edge I5 as shown in Fig. 6, and it will be understood that the exact position of the guard mound with respect to the cutting edge I5 is determined by the extent to which the guard member l3 is unscrewed from the body member l0.
As a convenience in determining the proper positioning of the guard mound 22 with respect to the cutting edge I5, I have provided a spring detent arrangement which yieldingly holds the 3 guard member in preselected angular positions with respect to the body member Ill. The arrangement consists of a ball-headed plunger 25 mounted in the rim I9 of the guard member I3 and yieldably engageable within semi-spherical depressions or notches 26 provided in the lower face of the body member It. It will be understood that when the guardmember i3 is firmly screwed into the body member iii so that the guard mound 22 is in the position shown in Fig. 5, it requires only an angular movement of 90 or less to bring the detent 2'5 into engagement with the first depression 26, and thereafter as the retrograde movement of the guard member I3 is continued, a distinct click may be heard and felt as the detent travels over the several depressions 26. In this way, the user may determine empirically the exact adjustment which gives him the most desirable shaving conditions, and may reset this adjustment by each time unscrewing the guard member l3 to the precise angular 7 position indicated by the clicks of the detent 25 over the depressions 26.
The stem portion 2! of the guard member i3 has a plurality of radial ports 2? to provide communication between the interior of the guard member 53 and the annular space 28 which lies between the stem 21 and body member it.
. Cleaning of the razor may therefore be easily effected by merely holding the bottom of the shaver against a faucet, as shown in Fig. 7, so that the spout of the faucet extends either into the rubber gasket i l or against its face, and water is then permitted to fiow with pressure through the ports 2? and annular space 28, and then outwardly through the small clearance space between the blade i and mound 22. After removing the shaver from the faucet, all droplets of water may be blown from the shaver by holdin the bottom portion to the mouth and sharply blowing through the shaver.
The sealing ring I i may be made of rubber or any other suitable yieldable material, and preferably has an annular flange 29 which engages a mating depression in the guard member 3 to hold it in place.
The guard mound 22 is preferably shaped as shown in Figs. 1, 4, 5, and 6, the depression 33 having been found to act somewhat as a suction cup to support the skin in the proper angular position with respect to the blade i i.
Preferably each of the rotary parts, that is, the retaining cap l2, body member Iii, and guard member iii, are provided with knurled or ribbed portions 3! as indicated by Fig. 7 to facilitate assembly and adjustment of the parts.
Many modifications will occur to those skilled in the art, and the claims should therefore be construed broadly enough to embrace such ready modifications.
I claim:
1. In a razor, the combination of a tubular body having a blade seat adjacent its upper face,
an annular blade mounted on the seat and having a cutting edge along its inner margin, 2. re,- taining cap for holding the blade on the body, a guard member threadedly received within the body and having a guard mound extending into proximity with the cutting edge of the blade and concentric therewith, said guard member and body having passageways therethrough for directing flushing water outwardly through the space between the cutting edge and the guard member.
2. In a razor, the combination of a tubular .body having a blade seat adjacent its upper face, an annular blade mounted on the seat and having a cutting edge along its inner margin, a retaining cap for holding a blade on the body, a hollow guard member telescopically mounted within the body member and having a guard mound extending into proximity with the cutting edge of the blade and providing clearance space therebetween, said guard member having radial ports therein whereby flushing water may be introduced into the razor through the bottom of the guard member, then radially through said ports, and finally past the cutting blade and through the clearance space between the blade and the guard member, and a washer secured in the lower end of the guard member adapted to receive a spout of a faucet for the introduction of the flushing water.
3. In a razor, the combination of a tubular body having a blade seat adjacent its upper face, an annular blade mounted on the seat and having a cutting edge'along its inner margin, a re taining cap for holding a blade on the body, and a guard member threadedly received within the body and having a guard mound extending into proximity with said cutting edge and concentric therewith, said mound having a rounded depression in its upper face.
4. In a razor, the combination of a tubular body having a blade seat adjacent its upper face, an annular blade mounted on the seat and having a cutting edge along its inner margin, a retaining cap for holdin a blade on the body, and a guard member threadedly received within the body and having a guard mound extending into proximity with said cutting edge, and means for adjusting the axial position of the guard mound with respect to the cutting edge.
5. In a razor, the combination of a tubular body member having a blade seat adjacent its upper face, an annular blade mounted on the seat and having a cutting edge along its inner margin, a retaining cap for holding a blade on the body member, and a guard member threadedly received within the body member and having a guard mound extending into proximity with said cutting edge, and means for adjusting the axial position of the guard mound with respect to the cutting edge, said means comprising a spring detent carried by one member and notches providid in the other member for cooperation there- W1 FERDINANDQ PASQUALE MUsso.
REFERENCES crrEn The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 2,212,62 Testi Aug. 27, 1940 2,223,286 Johnson Nov. 26, 1940 2,279,682 Jackson Apr. 14, 1942
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US141413A US2632242A (en) | 1950-01-31 | 1950-01-31 | Safety razor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US141413A US2632242A (en) | 1950-01-31 | 1950-01-31 | Safety razor |
Publications (1)
Publication Number | Publication Date |
---|---|
US2632242A true US2632242A (en) | 1953-03-24 |
Family
ID=22495582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US141413A Expired - Lifetime US2632242A (en) | 1950-01-31 | 1950-01-31 | Safety razor |
Country Status (1)
Country | Link |
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US (1) | US2632242A (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3001562A (en) * | 1953-11-13 | 1961-09-26 | Earl R Anderson | Apparatus for peeling fruit and vegetable articles |
US3013595A (en) * | 1958-12-08 | 1961-12-19 | Fmc Corp | Apparatus for processing fruit |
US3024532A (en) * | 1960-06-24 | 1962-03-13 | Louis A Bettcher | Trimming and slicing device |
US4336651A (en) * | 1980-05-21 | 1982-06-29 | Israel Caro | Circular safety razor |
US4442596A (en) * | 1981-06-29 | 1984-04-17 | Matsushita Electric Works, Ltd. | Casing of a washable electric appliance |
US4590674A (en) * | 1984-12-19 | 1986-05-27 | Harper Frederick R | Shaving implement having adjustable annular blades |
US4807360A (en) * | 1987-09-02 | 1989-02-28 | The Gillette Company | Shaving device |
US4875288A (en) * | 1987-09-02 | 1989-10-24 | The Gillette Company | Shaving device |
US5031317A (en) * | 1990-09-19 | 1991-07-16 | The Gillette Co. | Razor |
US5490329A (en) * | 1994-05-17 | 1996-02-13 | The Gillette Company | Shaving system |
US20070169349A1 (en) * | 2006-01-24 | 2007-07-26 | Harris John R Ii | Scrubbing razor |
US20100043233A1 (en) * | 2006-01-24 | 2010-02-25 | Harris Ii John Robert | Scrubbing razor |
US20110192032A1 (en) * | 2006-01-24 | 2011-08-11 | Harris Ii John R | Scrubbing razor with safety ribs |
US20130086810A1 (en) * | 2011-10-11 | 2013-04-11 | Brent Peterson | Chainsaw with cutting chain tensioner |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2212624A (en) * | 1936-08-11 | 1940-08-27 | Gillette Safety Razor Co | Shaving implement |
US2223286A (en) * | 1938-05-11 | 1940-11-26 | Casco Products Corp | Shaving machine |
US2279682A (en) * | 1938-03-31 | 1942-04-14 | Jackson Jesse Atwater | Shearing shaver |
-
1950
- 1950-01-31 US US141413A patent/US2632242A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2212624A (en) * | 1936-08-11 | 1940-08-27 | Gillette Safety Razor Co | Shaving implement |
US2279682A (en) * | 1938-03-31 | 1942-04-14 | Jackson Jesse Atwater | Shearing shaver |
US2223286A (en) * | 1938-05-11 | 1940-11-26 | Casco Products Corp | Shaving machine |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3001562A (en) * | 1953-11-13 | 1961-09-26 | Earl R Anderson | Apparatus for peeling fruit and vegetable articles |
US3013595A (en) * | 1958-12-08 | 1961-12-19 | Fmc Corp | Apparatus for processing fruit |
US3024532A (en) * | 1960-06-24 | 1962-03-13 | Louis A Bettcher | Trimming and slicing device |
US4336651A (en) * | 1980-05-21 | 1982-06-29 | Israel Caro | Circular safety razor |
US4442596A (en) * | 1981-06-29 | 1984-04-17 | Matsushita Electric Works, Ltd. | Casing of a washable electric appliance |
US4590674A (en) * | 1984-12-19 | 1986-05-27 | Harper Frederick R | Shaving implement having adjustable annular blades |
US4807360A (en) * | 1987-09-02 | 1989-02-28 | The Gillette Company | Shaving device |
WO1989001852A1 (en) * | 1987-09-02 | 1989-03-09 | The Gillette Company | Shaving device |
US4875288A (en) * | 1987-09-02 | 1989-10-24 | The Gillette Company | Shaving device |
US5031317A (en) * | 1990-09-19 | 1991-07-16 | The Gillette Co. | Razor |
WO1992005017A1 (en) * | 1990-09-19 | 1992-04-02 | The Gillette Company | A razor |
US5490329A (en) * | 1994-05-17 | 1996-02-13 | The Gillette Company | Shaving system |
US5492038A (en) * | 1994-05-17 | 1996-02-20 | The Gillette Company | Shaving system |
US7500312B2 (en) * | 2006-01-24 | 2009-03-10 | Harris Ii John Robert | Scrubbing razor |
US20110035944A1 (en) * | 2006-01-24 | 2011-02-17 | Harris Ii John Robert | Scrubbing razor |
EP2040891A2 (en) * | 2006-01-24 | 2009-04-01 | John Robert Harris | Scrubbing razor |
US20090158594A1 (en) * | 2006-01-24 | 2009-06-25 | Harris Ii John Robert | Scrubbing razor |
US20100043233A1 (en) * | 2006-01-24 | 2010-02-25 | Harris Ii John Robert | Scrubbing razor |
EP2040891A4 (en) * | 2006-01-24 | 2010-03-31 | John Robert Harris | Scrubbing razor |
CN101432105B (en) * | 2006-01-24 | 2010-09-22 | J·R·哈里斯 | Scrubbing razor |
US7814660B2 (en) | 2006-01-24 | 2010-10-19 | Harris Ii John Robert | Scrubbing razor |
US7856721B2 (en) | 2006-01-24 | 2010-12-28 | Harris Ii John Robert | Scrubbing razor |
US20070169349A1 (en) * | 2006-01-24 | 2007-07-26 | Harris John R Ii | Scrubbing razor |
US20110192032A1 (en) * | 2006-01-24 | 2011-08-11 | Harris Ii John R | Scrubbing razor with safety ribs |
US8056239B2 (en) | 2006-01-24 | 2011-11-15 | Harris Ii John Robert | Scrubbing razor |
US8056240B2 (en) | 2006-01-24 | 2011-11-15 | Harris Ii John Robert | Scrubbing razor |
US8413335B2 (en) | 2006-01-24 | 2013-04-09 | II John Robert Harris | Scrubbing razor |
US8677628B2 (en) | 2006-01-24 | 2014-03-25 | II John R. Harris | Scrubbing razor with safety ribs |
US8453331B2 (en) * | 2006-01-24 | 2013-06-04 | II John Robert Harris | Scrubbing razor |
US20130086810A1 (en) * | 2011-10-11 | 2013-04-11 | Brent Peterson | Chainsaw with cutting chain tensioner |
US9132568B2 (en) * | 2011-10-11 | 2015-09-15 | Echo, Inc. | Chainsaw with cutting chain tensioner |
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