US1821825A - Safety razor - Google Patents

Safety razor Download PDF

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Publication number
US1821825A
US1821825A US507942A US50794231A US1821825A US 1821825 A US1821825 A US 1821825A US 507942 A US507942 A US 507942A US 50794231 A US50794231 A US 50794231A US 1821825 A US1821825 A US 1821825A
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Prior art keywords
blade
handle
razor
convex
members
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Expired - Lifetime
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US507942A
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James M Zumwalt
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Individual
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Priority to US507942A priority Critical patent/US1821825A/en
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Publication of US1821825A publication Critical patent/US1821825A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors 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
    • B26B21/08Razors 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 involving changeable blades
    • B26B21/14Safety razors with one or more blades arranged transversely to the handle
    • B26B21/18Safety razors with one or more blades arranged transversely to the handle involving blades with two cutting edges

Definitions

  • This invention relates to a safety razor, the general object of the invention being to provide means whereby the blade of the razor can be supported or held in either a convex position or a concaved position so that the razor can be usedfor shaving convex portions of the body when in concaved position, and the razor can be used for shaving concaved portions or hollows in the body when the blade is in convex position.
  • the razor can be used for shaving hair off the arms, legs and other rounded portions of the body when in concaved position and for shaving hair from the armpits and the like when in convex position.
  • Figure 2 is a similar view but showing the blade and the supporting means in section.
  • Figure 3 is an edge View.
  • Figure 4 is a view similar to Figure 1, but showing the blade and the supporting means in concaved position.
  • Figure 5 is a plan view.
  • Figure 6 is a view of the two supporting members separated.
  • the numeral 1 indicates the handle of the razor which is formed with a reduced part 2 having its outer part threaded, as shown at 3, and its inner part plain.
  • the blade is shown at 4 and the supporting members are shown at 5 and 6.
  • Each member is formed with a central enlargement 7 on its outer face which has a threaded opening therein for receiving the threaded part of the portion 2 of the handle.
  • the thread ed part 3 is larger than the plain part so that the member which en ages the shoulder formed by the junction 0 the reduced part with the main part of the handle will be held firmly against the shoulder when the I threaded part 3 is screwed home in the threaded hole of the other member.
  • Each member is of concavo-convex shape, with the member. 5 having projections 8 thereon for engaging holes 9 in the member 6.
  • One edge of each of the members 5 and 6 is formed with the slightly curved fingers 10 and the other edge is slightly beveled and the parts are so arranged that whensthe two members are connected with the handle, the fingers of one member will project beyond the beveled edge of the other member so as to expose the cutting edge of the blade and the fingers are so formed that hair and other matter can pass between the cutting edge of the blade and the fingers when the device is in use.
  • the blade is held in concaved position, as shown in Figure 4, so that it can be used for shaving rounded surfaces, such as the arms and legs.
  • the blade is held in convex position so that the razor can be used for shaving the armpits and other hollow places.
  • the blade of course, is formed with a central opening and a pair of openings adjacent its ends in the usual manner so that the projections 8 and the reduced part 2 can pass through such openings.
  • the projections 8 are so formed as to hold the blade in an are when the blade is placed on the member 5.
  • a razor of the class described compris- 100 ing a handle part a pair of blade supporting members, each of concave-convex shape for holding a blade placed between them in an arc, means for detachably connecting the I supporting members to the handle whereby the members can be attached to the handle with either member innermost to support the blade in a convex manner or in a concaved manner.
  • a razor of the class described comprising a handle part, a pair of blade supporting members, each of concavo-convex shape for holding a blade placed between them in an are, means for detachably connecting the i 15 supporting members to the handle whereby the members can be attached to the handle with either member innermost to support the blade in a convex manner or in a coneaved manner, each member having fingers :0, at one edge thereof and its other edge beveled.
  • a razor of the class described comprising a handle part, a pair of blade supporting members, each of concave-convex shape at for holding a blade placed between them in an are, means for detachably connecting the supporting members to the handle whereby the members can be attached to the handle with either member innermost to support 89:, the blade in a convex manner or in aeoncaved manner, each member having fingers at. one edge thereof and its other edge beveled, said fingers being curved outwardly to slightly space them from the cutting edge 85; of the blade.

Description

Sept. 1, 1931. J. M. ZUMWALT I 1,821,825
SAFETY RAZOR Filed Jan. 10, 1931 m4 awn-omen;
Patented Sept. 1, 1931 PATENT OFFICE JAMES m. ZUMWALT, or mam, FLORIDA sArErY RAZOR Application filed January 10, 1931. Serial No. 507,942.
This invention relates to a safety razor, the general object of the invention being to provide means whereby the blade of the razor can be supported or held in either a convex position or a concaved position so that the razor can be usedfor shaving convex portions of the body when in concaved position, and the razor can be used for shaving concaved portions or hollows in the body when the blade is in convex position. Thus the razor can be used for shaving hair off the arms, legs and other rounded portions of the body when in concaved position and for shaving hair from the armpits and the like when in convex position.
This invention, also consists in certain other features of construction and in the combination and arrangement of the several parts, to be hereinafter fully described, illustrated in the accompanying drawings and specifically pointed out in the appended claims.
In describing the invention in detail, ref- 26 erence will be had to the accompanying drawings wherein like characters denote like or corresponding parts throughout the several views, and in which Figure 1 is a view of the invention with the blade and supporting parts in convex position.
Figure 2 is a similar view but showing the blade and the supporting means in section.
Figure 3 is an edge View.
Figure 4 is a view similar to Figure 1, but showing the blade and the supporting means in concaved position.
Figure 5 is a plan view.
Figure 6 is a view of the two supporting members separated.
In these views, the numeral 1 indicates the handle of the razor which is formed with a reduced part 2 having its outer part threaded, as shown at 3, and its inner part plain.
The blade is shown at 4 and the supporting members are shown at 5 and 6. Each member is formed with a central enlargement 7 on its outer face which has a threaded opening therein for receiving the threaded part of the portion 2 of the handle. The thread ed part 3 is larger than the plain part so that the member which en ages the shoulder formed by the junction 0 the reduced part with the main part of the handle will be held firmly against the shoulder when the I threaded part 3 is screwed home in the threaded hole of the other member.
Each member is of concavo-convex shape, with the member. 5 having projections 8 thereon for engaging holes 9 in the member 6. One edge of each of the members 5 and 6 is formed with the slightly curved fingers 10 and the other edge is slightly beveled and the parts are so arranged that whensthe two members are connected with the handle, the fingers of one member will project beyond the beveled edge of the other member so as to expose the cutting edge of the blade and the fingers are so formed that hair and other matter can pass between the cutting edge of the blade and the fingers when the device is in use. Thus by placing the member 5 against the shoulder of the handle and the member 6 on the member 5, with the blade between the members, the blade is held in concaved position, as shown in Figure 4, so that it can be used for shaving rounded surfaces, such as the arms and legs. By reversing the parts, as shown in Figures 1 and 2, the blade is held in convex position so that the razor can be used for shaving the armpits and other hollow places.
The blade, of course, is formed with a central opening and a pair of openings adjacent its ends in the usual manner so that the projections 8 and the reduced part 2 can pass through such openings. The projections 8 are so formed as to hold the blade in an are when the blade is placed on the member 5.
It is thought from the foregoing description that the advantages and novel features of the invention will be readily apparent.
It is to be understood that changes may. be made in the construction and in the combination' and arrangement of the several parts, provided that such changes fall within the scope of the appended claims.
What I claim is l. A razor of the class described compris- 100 ing a handle part a pair of blade supporting members, each of concave-convex shape for holding a blade placed between them in an arc, means for detachably connecting the I supporting members to the handle whereby the members can be attached to the handle with either member innermost to support the blade in a convex manner or in a concaved manner.
' 2. A razor of the class described comprising a handle part, a pair of blade supporting members, each of concavo-convex shape for holding a blade placed between them in an are, means for detachably connecting the i 15 supporting members to the handle whereby the members can be attached to the handle with either member innermost to support the blade in a convex manner or in a coneaved manner, each member having fingers :0, at one edge thereof and its other edge beveled.
3. A razor of the class described comprising a handle part, a pair of blade supporting members, each of concave-convex shape at for holding a blade placed between them in an are, means for detachably connecting the supporting members to the handle whereby the members can be attached to the handle with either member innermost to support 89:, the blade in a convex manner or in aeoncaved manner, each member having fingers at. one edge thereof and its other edge beveled, said fingers being curved outwardly to slightly space them from the cutting edge 85; of the blade.
In testimony whereof I affix my signature.
J AMES M. ZUMWALT.
US507942A 1931-01-10 1931-01-10 Safety razor Expired - Lifetime US1821825A (en)

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US507942A US1821825A (en) 1931-01-10 1931-01-10 Safety razor

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2560004A (en) * 1947-07-14 1951-07-10 Howell F Shannon Safety razor
US2576618A (en) * 1948-03-12 1951-11-27 Cutter Corp Handle type hair trimmer
US2588033A (en) * 1949-05-28 1952-03-04 James A O'gatty Combination razor and hair trimmer
DE918190C (en) * 1950-05-14 1954-09-20 Hans Meyer Safety razor for several single-edged blades
US2893119A (en) * 1956-09-25 1959-07-07 Eichner Joseph Safety razor with blade retaining means on the razor cap and blade adjusting means
US3331129A (en) * 1965-10-23 1967-07-18 John S Goudie Curved edge safety razor having notches to seat the ends of the blade
US4942662A (en) * 1989-01-17 1990-07-24 Radcliffe Allan F Adjustable arcuate razor head
US5199173A (en) * 1991-10-17 1993-04-06 Hegemann Research Corporation Concave, convex safety razor
US5208982A (en) * 1992-02-19 1993-05-11 Sferruzza Jr Gerald A Device to shave concave areas
US5983499A (en) * 1995-06-07 1999-11-16 Andrews; Edward A. Cavity shaving device with curved razor blade strip
US6499218B2 (en) * 1998-12-28 2002-12-31 Manual Antonio Rocha Four sided dual blade shaver
US7131202B2 (en) 2004-03-11 2006-11-07 The Gillette Company Cutting members for shaving razors with multiple blades
US7168173B2 (en) 2004-03-11 2007-01-30 The Gillette Company Shaving system
US7197825B2 (en) 2004-03-11 2007-04-03 The Gillette Company Razors and shaving cartridges with guard
US20080172882A1 (en) * 2007-01-23 2008-07-24 Eger Noah M Shaving device
FR2927561A1 (en) * 2008-02-20 2009-08-21 Christophe Abbe MANUAL SHAVING TOOL.
US7617607B2 (en) 2003-07-21 2009-11-17 The Gillette Company Shaving razors and other hair cutting assemblies
US7669335B2 (en) 2004-03-11 2010-03-02 The Gillette Company Shaving razors and shaving cartridges
US7690122B2 (en) 2004-03-11 2010-04-06 The Gillette Company Shaving razor with button
US8104184B2 (en) 2004-03-11 2012-01-31 The Gillette Company Shaving cartridges and razors
US20160167241A1 (en) * 2014-12-10 2016-06-16 Haggai Goldfarb Intelligent shaving system having sensors
USD762328S1 (en) * 2013-03-15 2016-07-26 Future Wave Products, Inc. Curved shaver cartridge

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2560004A (en) * 1947-07-14 1951-07-10 Howell F Shannon Safety razor
US2576618A (en) * 1948-03-12 1951-11-27 Cutter Corp Handle type hair trimmer
US2588033A (en) * 1949-05-28 1952-03-04 James A O'gatty Combination razor and hair trimmer
DE918190C (en) * 1950-05-14 1954-09-20 Hans Meyer Safety razor for several single-edged blades
US2893119A (en) * 1956-09-25 1959-07-07 Eichner Joseph Safety razor with blade retaining means on the razor cap and blade adjusting means
US3331129A (en) * 1965-10-23 1967-07-18 John S Goudie Curved edge safety razor having notches to seat the ends of the blade
US4942662A (en) * 1989-01-17 1990-07-24 Radcliffe Allan F Adjustable arcuate razor head
US5199173A (en) * 1991-10-17 1993-04-06 Hegemann Research Corporation Concave, convex safety razor
EP0714341A4 (en) * 1991-10-17 1996-03-01 Hegemann Res Corp Concave, convex safety razor
EP0714341A1 (en) * 1991-10-17 1996-06-05 Hegemann Research Corporation Concave, convex safety razor
US5208982A (en) * 1992-02-19 1993-05-11 Sferruzza Jr Gerald A Device to shave concave areas
US5983499A (en) * 1995-06-07 1999-11-16 Andrews; Edward A. Cavity shaving device with curved razor blade strip
US6499218B2 (en) * 1998-12-28 2002-12-31 Manual Antonio Rocha Four sided dual blade shaver
US7617607B2 (en) 2003-07-21 2009-11-17 The Gillette Company Shaving razors and other hair cutting assemblies
US7810240B2 (en) 2003-07-21 2010-10-12 The Gillette Company Shaving razors and other hair cutting assemblies
US8286354B2 (en) 2004-03-11 2012-10-16 The Gillette Company Shaving razors and shaving cartridges
US8281491B2 (en) 2004-03-11 2012-10-09 The Gillette Company Shaving razor and shaving cartridges
US10293502B2 (en) 2004-03-11 2019-05-21 The Gillette Company Llc Shaving razors and shaving cartridges
US10293503B2 (en) 2004-03-11 2019-05-21 The Gillette Company Llc Shaving razors and shaving cartridges
US7197825B2 (en) 2004-03-11 2007-04-03 The Gillette Company Razors and shaving cartridges with guard
US9434079B2 (en) 2004-03-11 2016-09-06 The Gillette Company Shaving razors and shaving cartridges
US7669335B2 (en) 2004-03-11 2010-03-02 The Gillette Company Shaving razors and shaving cartridges
US7690122B2 (en) 2004-03-11 2010-04-06 The Gillette Company Shaving razor with button
US7168173B2 (en) 2004-03-11 2007-01-30 The Gillette Company Shaving system
US7966731B2 (en) 2004-03-11 2011-06-28 The Gillette Company Shaving razors and shaving cartridges with trimming assembly and anode-cathode cell
US8104184B2 (en) 2004-03-11 2012-01-31 The Gillette Company Shaving cartridges and razors
US9193078B2 (en) 2004-03-11 2015-11-24 The Gillette Company Shaving razors and shaving cartridges
US7131202B2 (en) 2004-03-11 2006-11-07 The Gillette Company Cutting members for shaving razors with multiple blades
US8984756B2 (en) 2004-03-11 2015-03-24 The Gillette Company Shaving system
US9193077B2 (en) 2004-03-11 2015-11-24 The Gillette Company Shaving razor cartridge having connecting member
US20080172882A1 (en) * 2007-01-23 2008-07-24 Eger Noah M Shaving device
WO2009104163A3 (en) * 2008-02-20 2009-12-17 Christophe Abbe Handheld shaving tool
WO2009104163A2 (en) * 2008-02-20 2009-08-27 Christophe Abbe Handheld shaving tool
FR2927561A1 (en) * 2008-02-20 2009-08-21 Christophe Abbe MANUAL SHAVING TOOL.
USD762328S1 (en) * 2013-03-15 2016-07-26 Future Wave Products, Inc. Curved shaver cartridge
US20160167241A1 (en) * 2014-12-10 2016-06-16 Haggai Goldfarb Intelligent shaving system having sensors

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