US2320374A - Safety razor - Google Patents

Safety razor Download PDF

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Publication number
US2320374A
US2320374A US421270A US42127041A US2320374A US 2320374 A US2320374 A US 2320374A US 421270 A US421270 A US 421270A US 42127041 A US42127041 A US 42127041A US 2320374 A US2320374 A US 2320374A
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United States
Prior art keywords
clamping
blade
razor
levers
posts
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Expired - Lifetime
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US421270A
Inventor
Monnet Georges
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GUARDIAN MERCHANDISING Corp
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GUARDIAN MERCHANDISING CORP
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Priority to US421270A priority Critical patent/US2320374A/en
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Publication of US2320374A publication Critical patent/US2320374A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Description

June 1, 1943.

G. MONNET SAFETY RAZOR Filed Dec. 2, 1941 3 Sheets-Sheet l INVENTOR. GIT/743655 Mow/v5 T June 1, 1943.

G. MONNET 2,320,374

SAFETY RAZOR I Filed Dec. 2, 1941 3 Sheets-Sheet 2 MAE INVENTOR.

, 65042655 Mom/VET Byw June 1, 1943. N T 2,320,374

" SAFETY RAZQR Filed Dec. 2, 1941 3 Sheets-Sheet 5 7a :H' l, I

INVENTOR. 650E655 Mom/v57- A TTOPNEYS' Patented June 1, 1943 SAFETY RAZOR Georges Monnet, Washington, D. 0., assignor to Guardian Merchandising Corporation, Montreal, Quebec, Canada, a corporation of Quebec,

Canada Application December 2, 1941,Serial No. 421,270

7 Claims.

This invention relates to safety razors, and refers more particularly to single-piece safety razors adapted to carry double-edge razor blades.

In my co-pending U. S. patent application Serial Number 149,050, now Patent No. 2,264,323, dated December 2, 1941, I have described a safety razor having two clamping members which may be moved through the central opening of a double-edge razor blade by the manipulation of the stem or handle portion of the razor to clamp this blade upon a resilient support which is carried by a frame element.

An object of the present invention is to improve and simplify the construction of a safety razor of this type.

Another object is to eliminate the necessity of manipulating the razor handle by utilizing a separate clamp for actuating the clamping members.

. Other objects of the present invention will become apparent in the course of the following specification.

in accomplishing the objects of the present invention it was found desirable to provide a safety razor having two arcuate clamping members which are preferably connected with two levers by a pin-and-slot connection, the two levers being engaged by clamping means tending to maintain the arcuate clamping members in their op erative blade-clamping positions. A compression of the-clamping means .will actuate the levers and cause them to withdraw the arcuate clamping members into their inoperative positions, thereby facilitating theremoval of a razor blade and the mounting of a new blade upon the projecting ends of the clamping members.

The guard serving as a counter-support for the clamped blade may be fixedly attached to the frame guiding the arcuate clamping members, or'the guard may be made of two parts connected to separate levers and movable therewith when the levers are swung outwardly to their inoperative positions by the compression of the clamping means.

The sharp edges of a razor blade mounted upon the razor may be covered by concave elongated covering elements which are pivotally mounted upon the corresponding edges of the guard.

The metal parts of the razor are of such light weight and the handle of the razor may be inflated and/or made of such light material that the razor will float when dropped in water. The

handle is provided with one or more suction cups which make it possible to attach the razor coneniently to any horizontal, vertical or inclined surface. Thus the safety razor constructed in accordance with the principles of the present invention is particularly suitable for shaving while its user is taking a bath in a bath tub.

The invention will appear more clearly from the following detailed description, when taken in connection with the accompanying drawings showing, by way of example, preferred embodiments of the inventive idea.

In the drawings:

Figure 1 shows in side elevation a safety razor constructed in accordance with the principles of the present invention, in its clamping position;

Figure 2 is a transverse section through the head of the safety razor, in its inoperative position;

Figure 3 is a top view of the safety razor;

Figure 4 shows the safety razor partly in front elevation and partly in section;

Figure 5 shows in transverse section the head of a safety razor of a somewhat different construction;

Figure 6 is a side elevation of the head of the razor illustrated in Figure 5;

Figure 7 is a top view of the razor shown in Figures 5 and 6;

Figure 8 illustrates a different razor head in its clamping position;

Figure 9 shows the razor head illustrated in Figure 8 in its inoperative position.

' Thesafety razor shown in Figures 1 to 4 of the drawings comprises a handle I0 which may be hollow and/ or filled with a light-weight fluid and which may be provided with a number of suction cups ll (Fig. 1) for attaching the razor to any suitable surface, such. as the edges of a bath tub.

The head of the razor includes a U-shaped frame l2 having a transverse piece l3 which is firmly connected to the handle I!) (Fig. 4) and twolegs or frame posts l4 and having convex top surfaces I6 and IT, respectively (Figs. 1 and 2). The frame post I4 is provided with an arcuate slot l3, while a similar slot i9 is formed in the frame post l5.

A rod extends between the frame posts M and I5 and is used as a pivot rod for the levers 2| and 22 which actuate the clamping members 23 and 24, respectively. Two guide rods 25 and 26 also extend between the posts I4 and I5 and have top surfaces which constitute a continuation of the surfaces It and ll of the posts [4 and IS. The lower arcuate surfaces 21 and 28 of the guide rods 25 and 26 constitute guides over which the clamping members 23 and 24 slide. The guide rods 25 and 26 are separated from each other by a space 29 through which the clamping members 23 and 24 extend.

The lever 2! which is sim lar in shape to the lever 22, has a downwardly extending fingen engaged portion 32, a sleeve mounted on the rod 2i), an intermediate portion a transverse portion 33 extending through the slots I8 and i9, and upper posts 34 provided with slots against the other, so that the levers 2| and 22 are maintained by the clamps 39 in the operative position shown in Figure l. I

The lever 2| is connected to and movable along with a frame-like guard portion 40. A similar guard portion 4| is connected with the lever 22.

In the clamping position shown in Figure l, the guard portions 49 and 4| form a substantially continuous blade-supporting surface; so that a blade 42 may be conveniently clamped between the guard portions 40 and 4| and the clamping members 23 and 24.

A concave elongated finger-protecting element 43 extends along the outer edge of the guard portion 40 and is pivoted at 44 thereon. The member 43 hangs downwardly in the inoperative position of the razor shown in Figure 2. However, after the clamps 39 have moved the parts to the operative clamping position shown in Figure l, a sharp edge of the blade 42 may be conveniently covered by the member 43 which is swung upwardly about its pivots 44. The Opposite sharp edge of the blade 42 may be covered by a similar finger-protecting element 45 which is pivoted at 46 to the outer edge of the guard portion 4|.

The arcuate clamping members 23 and 24 are similar to each other in form and may be resilient either totally or in part. The members 23 and 24 which extend through the space 29 between the guides and 26, have clamping edges 47 and 48, respectively. In the inoperative position shown in Figure 2, the clamping edges 41 and 48 are situated one next to the other, so that a blade 42 may be conveniently placed upon these edges which will extend through the central opening 49 of the blade. As soon as manual pressure upon the finger-engaging lever portions and 36 is released, the pressure of the clamps 39 will move the levers 2| and 22 toward each other. The clamping member 23 is connected with the lever 2| by pins 50 which are' integral with the member 23 and which extend through slots provided in the posts 34 of the lever 2|. Pins 5| which are integral with the clamping member 24, extend through slots 38 provided in the posts 31 of the lever 22. Thus a movement of the levers 2| and 22 toward each other will swing the clamping members 23 and 24 about the guides 25 and 26 and will move them through.

the, control opening 49 of the blade 42 until the.

edges 41 and 48 of the clamping members will engage the blade 42 and press it firmly against the guard portions 49 and 4|, thereby clamp-1 ing the blade.

The operation of the razor is apparent from the above description. The clamps 39 normally hold the parts of the razor in the operative clamping position shown in Figure 1. In order to move these parts into the inoperative position shown in Figure 2, the user merely presses the finger-engaged lever portions 30 and 36 toward each other. The levers 2| and 22 then swing away from each other while being guided in the slots I8 and I9, and the guard portions and 4| move along with the levers 2| and 22. Since the clamping members 23 and 24 are connected with the levers 2| and 22 by the pins 59 and 5|, the levers will cause the clamping members to swing about the guides 25 and 26 and to withdraw through the central opening 49 of the blade 42 and the space 29 into the interior of the frame I2 until the clamping members reach the position shown in Figure 2.

Then the used razor blade may be conveniently removed and replaced by a new one.

As soon as manual pressure upon the lever portions 39 and 36 is released, the clamps 39 will move the razor parts back to the clamping position shown in Figure 1.

The safety razor shown in Figures 5 to '7 of the drawings has a handle 69 which is firmly connected with a U-shaped frame 6|. The frame 6| has a transverse piece 62 and two frame posts 63 having concave top surfaces 64 and arcuate slots 95.

A pivot rod 65 is carried by the posts 63 and carries the levers 67 and 68. Two guide rods 69 and I9 also extend between the posts 63 and are used as guides for the clamping members 'II and I2.

The levers 6! and 66 are similar to each other in form and have finger-engaging portions 13, transverse portions !4 extending through the slots '65, and upper posts I5 provided with slots I6. The levers 61 and 68 are pressed against each other by arcuate resilient clampsTI.

In this construction, the guard or support I8 is made of one piece and is firmly connected to the frame posts 63 by screws or the like which are located substantially in the middle of the posts 63. The support I8 is curved and its radius is slightly greater than that of the curved surface 64 so that at the outer edges of the posts 63 the support I9 extends at a little distance from the surfaces 64. Due to this arrangement, the blade 42 is resiliently supported upon the razor.

Concave elongated finger-protecting elements 19 extend along two outer edges of the support I8 and are pivotally connected herewith. The members 19 are used to cover the sharp edges of the blade 42 when the razor is not being used.

The arcuate clamping members II and I2 are connected by pins with the levers 61 and, respectively. The pins 80 are firmly connected with the clamping members and extend through the slots 76 of the levers 61 and 68.

This razor is operated in substantially the same manner as that previously described. However, in this construction the blade support or guard I8 does not participate in the movement of the levers 61 and 68, since it is firmly attached to the frame 6|.

The safety razor shown in Figures 8 and 9 of the drawings has a handle which is firmly connected with a U-shaped frame 9|. The frame 9| carries two pivot rods 92 and 93. A lever 94 is mounted on the pivot rods 92, while a similar lever 95 is mounted on the pivot rod 93.

The lower ends 96 and 91 of the levers 94 and 95 are maintained away from each other by the prongs of a spring 98 which is connected at 99 to the frame 9|. The upper ends I90 and IIJI of the levers 94 and 95 are provided with slots I02 through which the pins I93 extend. The pins I03 I04 and I05. A guard or blade support I96 is firmly connected to the frame 9| and carries finger-protecting elements I 01.

The operation of this razor is similar to those previously described. In this construction, the

are carried by the clamping members.

levers 94 and 95 swing outwardly about separate pivots when the spring 98 is compressed by manual pressure against the lever portions 96 and 91.

It is apparent that the specific illustrations shown above have been given by way of illustration and not by way of limitation, and that the structures above described are subject to wide variation and modification without departing from the scope or intent of the invention.

What is claimed is:

1. In a safety razor, a'blade-supporting member, at least one arcuate clamping member adapted to extend through a central opening formed in a blade, a lever connected with said clamping member for moving it through said central opening of the blade from an inoperative position to a clamping position and vice versa, the blade being engaged by the clamping member and clamped thereby in said clamping position and being released by said clamping member when the latter is moved into said inoperative position, and resilient means connected with said lever and normally maintaining it in a position in which said clamping member is in its clamping position, said resilient means being adapted to be tensioned manually to move said lever to a, position in which said clamping member is in its inoperative position.

2. In a safety razor, a blade-supporting member, at least one arcuate clamping member havi ing an edge portion which extends above said blade-supporting member and is adapted to be inserted through the central opening of a blade in an inoperative position of said clamping member, a pin carried by said clamping member, a movable lever having a slot through which said pin extends, whereby said clamping member is moved by said lever, and resilient means pressing against said lever to maintain said lever in a position in which said clamping member is situated in said clamping position, the blade being pressed by said clamping member against said blade-supporting member in said clamping position.

3. In a safety razor adapted to carry a blade,

a U-shaped frame having two posts, at least one rod extending between said posts, each of said posts having an arcuate slot formed therein and said posts extending parallel to each other, at least one guide extending between said posts and having a curved surface, a blade-supporting member situated above said frame in a clamping position, at least one arcuate clamping member adapted to extend through a central opening formed in said blade, a lever swingably mounted upon said rod and having portions slidable within said arcuate slots, means pivotally and slidably connecting said clamping member with said lever whereby said clamping member is movable alon with said lever, and resilient means engaging said lever to move it from an inoperative position to said clamping position, said clamping member having a portion engaging the curved surface of low said blade and said clamping member moving through said central opening of the blade during said movement to press said blade against said blade-supporting member in said clamping position, and resilient means engaging said lever to maintain it in said clamping position.

5. In a safety razor adapted to carry a doubleedge razor blade, a U-shaped frame having two posts, a rod extending between said posts, each of said posts having an arcuate slot formed therein and said posts extending parallel to each other, two arcuate clamping members engaging each other and adapted to extend through a central opening formed in said blade, two levers swingably mounted upon said rod and having portions slidable within respective ones of said arcuate slots, means constituting a pin-and-slot connection between each of said clamp-ing members and a separate lever, a separate guard portion connected to each lever, said levers being movable along with said guard portions toward and away from each other, whereby said clamping members are moved from an inoperative position to a clamping position and vice versa, said clamping members pressing opposite sides of the razor blade against said guard portions in said clamping position, and at least one armate spring engaging said levers and pressing them toward each other to maintain them in said clamping position.

6. In a safety razor adapted to carry a doubleedge razor blade, a U-shaped frame having two posts, a rod extending between said posts, each of said posts having an arcuate slot formed therein and said posts extending parallel to each other, two guides extending between said posts, two arcuate clamping members engaging each other and adapted to extend through a central opening formed in said blade, said clamp ng members being slidable over said guides, two levers swingably mounted upon said rod and having portions slidable within respective ones of said arcuate slots, means constituting a pin-and-slot connection between each of said clamping members and a separate lever, a frame-like blade-supporting member mounted upon said posts, said levers being movable toward and away from each other, whereby said clamping members are moved from an inoperative position to a clamping position and vice versa, said clamping members pressing opposite sides of the razor blade against said blade-supporting member in said clamping position, and an arcuate spring engaging said levers and pressing them toward each other to maintain themin said clamping position.

'7. In a safety razor, adapted to carry a doubleedge razor blade, a U-shaped frame having posts, two rods extending between said posts, two arouate clamping members engaging each other and adapted to extend through a central opening formed in said blade, two levers swingably mounted upon respective ones of said rods, means constituting a pin-and-slot connection between each of said clamping members and a separate lever, a frame-like blade-supporting member mounted upon said posts, said levers being swingable to movesaid clamping members from an inoperative position to a clamping position and vice versa, said clamping members pressing opposite sides of the razor blade against said bladesupporting member in said clamping position. and a spring engaging the ends of said levers to maintain said levers in said clamping position.

GEORGES MONNET.

US421270A 1941-12-02 1941-12-02 Safety razor Expired - Lifetime US2320374A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5839198A (en) * 1997-06-25 1998-11-24 Warner-Lambert Company Razor with integral holding means
US6263582B1 (en) * 2000-03-06 2001-07-24 David B. Wade Razor with suction cup attachment
US20080078086A1 (en) * 2006-09-28 2008-04-03 Eveready Battery Company, Inc. Razor with moveable center of balance
USD870379S1 (en) * 2019-04-03 2019-12-17 Sebastien Lambert Razor
EP3659760A1 (en) * 2018-11-29 2020-06-03 Bic Violex S.A. Tripod razor handle

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5839198A (en) * 1997-06-25 1998-11-24 Warner-Lambert Company Razor with integral holding means
US6263582B1 (en) * 2000-03-06 2001-07-24 David B. Wade Razor with suction cup attachment
US20080078086A1 (en) * 2006-09-28 2008-04-03 Eveready Battery Company, Inc. Razor with moveable center of balance
US7779543B2 (en) * 2006-09-28 2010-08-24 Eveready Battery Company, Inc. Razor with moveable center of balance
AU2007305477B2 (en) * 2006-09-28 2012-12-20 Edgewell Personal Care Brands, Llc Razor with moveable center of balance
EP3659760A1 (en) * 2018-11-29 2020-06-03 Bic Violex S.A. Tripod razor handle
WO2020109609A1 (en) * 2018-11-29 2020-06-04 Bic Violex S.A. Tripod razor handle
USD870379S1 (en) * 2019-04-03 2019-12-17 Sebastien Lambert Razor

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