Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS2399552 A
Publication typeGrant
Publication dateApr 30, 1946
Filing dateAug 7, 1944
Priority dateAug 7, 1944
Publication numberUS 2399552 A, US 2399552A, US-A-2399552, US2399552 A, US2399552A
InventorsLarson Louis A
Original AssigneeLarson Louis A
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Safety razor
US 2399552 A
Abstract  available in
Images(3)
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

L. A. LARSON SAFETY RAZOR Filed Aug. 7, 1944 5 Sheets-Sheet l Q Laifi arson L. A. LARSON April 30, 1946.

SAFETY RAZOR Filed Aug. 7, 1944 .3 SheetsSheet 2 NW Eu 1w April I L. A. LARSON 2,399,552

SAFETY RAZOR Filed Aug. 7, 1944 3 Sheets-Sheet :5

Patented Apr. 30, 1946 UNITED STATES PATENT OFFICE SAFETY RAZOR Louis A. Larson, Minneapolis, Minn.

Application August 7, 1944, Serial N0. 548,376

13 Claims. (Cl. 3041) This invention relates to'razor blade holders.

An object of this invention is to provide a holder which can be adapted to variou types of razor blades, such as single or double edge or the old type straight back razor.

Another object of this invention is to provide a holder which includes a handle and a blade support, the support being pivotally carried by the handle and capable of being swung from an operative position to an inoperative position, the support when in inoperative position projecting forwardly so that the blade may be cleaned or removed.

A further object of this invention is to provide a holder of this type which is provided with a blade guard and also a guard cleaner, the cleaner being carried by a pivoted lever and adapted to wipe over the rear side of the guard.

A further object of this invention is to provide a holder of this type wherein the component parts that the device will be relatively light in weight and at the same time strong enough to withstand normal usage.

A further object of this invention is to provide a holder which in one form thereof is provided with a pivoted blade support and a pivoted guard, the blade support being so constructed and arranged that the guard cannot be swung on its pivot until the locking means for the blade supthereof may be produced from stamped metal so port has been shifted to released position and the blade support swung outwardly and locked in its inoperative position.-

A further object of this invention is to provide a holder which in another form thereof includes a pivoted blade support and a pivoted guard, and also includes a common operator for the support and the guard so that thesetparts will be moved simultaneously to either operative or inoperative position, and when in the latter position, will be spaced one from the other.

A further object of this invention is to provide an improved blade clamping means for removably clamping the blade on the blade support or holder.

With theforegoing may hereinafter appear, the invention consists of the novel construction, combination and arrangement of parts as will be more specifically referred to and illustrated in the accompanying drawings, wherein are shown embodiments of the invention, but it is to be understood that changes, variations and modifications may be resorted to which fall Within the scope of the invention as claimed. In'the drawings: Y

objects and others which.

fication of holder.

Figure l is a detail side elevation of a razor holder constructed according to an embodiment of this invention,

Figure 2 is a detail top plan of the device,

Figure 3 is a longitudinal section taken on the line 3-3 of Figure 2,

Figure 4 is a transverse section taken on the line 4-4 of Figure 2,

Figure 5 is a sectional View taken on the lin 55 of Figure 3,

Figure 6 is a fragmentary sectional view taken on the line 6--6 of Figure 3,

Figure 7 is a longitudinal section of a modified form of this device,

Figure 8 is a sectional view taken 8-8 of Figure 7,

Figure 9 is a sectional view taken on the 9-9 of Figure 7, l

Figure 10 i a fragmentary longitudinal section of a modified form of blade holder or clamp,

Figure 11 is a fragmentary longitudinal section of a further modification of this invention,

Figure 12 i a sectional view taken on the line lZ-IZ of Figure 11,

Figure 13 is a longitudinal section of a modified form of this invention,

Figure l4-is a sectional view taken on the line I l-I4 of Figure 13,

Figure 15 is a sectional view taken on the line l5-l5 of Figure 13, and

Figure 16 is a perspective view of another modion the line line Referring to the drawings, and first to Figures 1 to 6 inclusive, the numeral 20 designates generally a handle which is formed of opposite parallel side members 21 and a bottom member 22. The handle 20 is open at the top, the purpose for which will be hereinafter described. A razor blade holder or support 23 is pivotally mounted on the forward end of the handle 20 and includes a plate 24 which is longitudinally curved with the concave side thereof rearmost or innermost, and the plate 24 has extending from the upper end thereof a rearwardly extending arm 25 on the opposite edges of which adjacent the rear thereof there are two fragmentary spur gears 26.

An elongated lever or holder operator generally designated as 21 which is provided intermediate the ends thereof with a pair of downwardly extending ears 28 i disposed between the sides 2! of the handle 20. The lever 21 is rockably mounted on a pivot 29 extending through the sides 2! of the handle, and the forward end of the lever or operator 2! has extending upwardly therefrom a pair of toothed racks 30. The racks 30 mesh with the fragmentary spur gears 26 so that when the forward end of the lever 21 is rocked downwardly or inwardly of the handle 20, the racks will rotate the spur gears 26 which are fixed relative to the extension or arm 25 and are mounted on a pivot 3|. The pivot 3| extends between the forward ends of the side handle members 2|. The blade holder or support 23 also includes a pressure plate 32 disposed on the rear or concave side of the plate 24 and a blade B is adapted to be interposed between the pressure plate 32 and the concave side of the plate 24. A threaded screw 33 is threaded into the plate 24, extending through an opening 34 in the pressure plate 32 so as to tightly clamp the blade B with the lower end thereof projecting from the lower end or edge of the plate 24.

In order to provide a means whereby the lever 21 will be held in its uppermost position, which is substantially parallel with the upper edge of the side members 2|, the rear end of the lever 21 is formed with a right angular extension 35 which terminates at its lower end in a forwardly extending extension 36. A sprin 1 secured y fastening members 38 to the lower wall 22 of the handle engages the upper or inner side of the extension 36 and constantly urges the lever 21 to a position for maintaining the blade holder 23 in an operative position.

The lever 21 is adapted to be rocked downwardly to a holder inoperative position by pressing the forward end of the lever 21 inwardly of the handle. A slide 39 which is formed with returned opposite edge portions 40 is slidable on the lever 21 and is formed with an upwardly projecting finger engageable member 4|. The upper edges of the side members 2| are formed with cutouts 42 overhung at the forward end by keepers 43. The locking member or slide 39 will normally be disposed in the position shown in Figure 3, and the slide 39 is also formed with oppositely extending tongues 44 slidably engaging the upper edges of the side members 2|. When the slide 39 is moved forwardly it will ride downwardly with pressure of a finger on the lever 21 or the slide 39 along the inclined cutout 42 until the tongues 44 engage under the keepers 43. At this time the lever 21 will be disposed in the dotted position shown in Figure 3, and the. blade holder 23 will be disposed in the outwardly extending position shown in dotted lines in Figure 3. Downward rocking of the forward end of the lever 21 will raise the rear end of the lever against the tension of the spring 31.

The bottom wall 22 of the handle 28 has secured to the forward end thereof a blade guarding member 45 which is of the same width as the length of the blade B and the guard 45 is provided with a concave rear side as shown in Figures 1 and 3. The guard 45 is provided adjacent the lower edge thereof with an elongated slot 46 so that the hair, soap, cream or the like may pass through the guard 45 to the rear side thereof.

The guard 45 is adapted to be cleaned by means of a cleaner 41. The cleaner 41 is adapted to wipe the rear concave side of the guard 45 and normally is disposed in the position shown in Figures 1 and 3 against the lower side of the bottom wall 22 of the handle 20. The cleaner 41 is formed integral with or secured to an elongated cleaner operating lever 48 which at the forward end thereof is provided with a right angular extension 49 loosely. engaging through an open ing 58 formed in the bottom wall 22.v The lever 48 adjacent the rear thereof is provided with a pair of ears 5| through which a pivot member 52 engages, the pivot member 52 being secured to the sides 2| of the handle. The lever 48 projects rearwardly of the pivot 52 through an opening 53 which is formed in the right angular extension 35 of the lever 21. The lever 48 rearwardly of the pivot 52 is provided with a narrow extension or handle 54 loosely engaging through the opening 53 so that the lever 48 may be rocked downwardly to the dotted line position, shown in Figure 3, after the lever 21 has been rocked downwardly or inwardly, the latter lever normally holding the cleaner lever 48 in its inoperative position by reason of the engagement of the ex tension 54 with the upper edge of the opening 63 in the blade operating lever extension 35.

Referring now to Figures 7, 8 and 9, there is disclosed a modified form of this invention which includes a handle 29a which is similar to the handle 28 and which has pivotally secured to the forward end thereof a razor blade holder or support 55 which at its upper end is provided with a rearwardly extending arm 56. The arm 56 is formed with a pair of downwardly or inwardly extending ears 51 through which pivot members 58 engage. The pivot members 58 engage through the sides of the forward ends of the handle 29a. so that the holder 52 will be pivotally mounted on the forward end of the handle.

The holder 55 includes a rearwardly opening slot 59 in the arm 56 and the stem portion 68 of a T-shaped holder operator 6| engages loosely in the slot 59. The head portion 62 of the T-shaped member 6| is lowermost and engages the lower sides of the bifurcation formed by the rearwardly opening slot 59. The T-shaped member 6| is formed as a right angular and downwardly extending extension of an operator 21a which is similar in many details to the operator 21.

A lever locking slide 39a is slidably carried by the lever 21a and is adapted to slide downwardly and inwardly along the upper edge of a cutout 42a and engage in a keeper 43a formed in the sides of the handle 20a. The rear end of the lever 21a is formed with a right angular exten sion 35a which at its lower end is formed with a forwardly extending extension 36a which is engaged by a fiat spring 31a carried by the bottom wall 22a of the handle.

The blade holder 55 includes a relatively flat body or forward plate 63 which at the opposite edges thereof is formed with T-shaped members 64. A pressure plate 65 is adapted to engage against the rear side of the blade 66 and is formed with rearwardly extending ears 61 engaging in slots 68 formed in an elongated bar 69. The bar 69 at the opposite ends thereof is formed with outwardly opening slots 16 which engage on the opposite edges of the stem of the T-member 64 so that when a pressure applying screw 1| which is threaded through the bar 69 is turned to a pressure applying position, the inner end of the screw 1| will bear against the rear side of the pressure plate 65, thereby forcing the bar 69 rearwardly so that the rear side of bar 69 will bear against the heads of the T-members 64, and the plate 65 wil be forced forwardly into clamping position against the rear or inner side of the blade 66.

The handle 28a on the lower side thereof has fixedly secured thereto an arcuate guard 12 which is formed with an elongated opening 13. The guard 12 at its upper edge is formed with a rearwardly extending base 14 which is secured by fastening members 15 to the bottom wall 22a.

to inoperative position,

to be hereinafter noted. A

Referring now to Figure 10, the form of razor holder herein shown issimilar in substantially disclosed a further modification of this invention.

A handle 2872 which a similar inmost details to the'handle 20 has pivotally mounted between the sides 2lb thereof a holder operating lever 21b similar in every detail to lever 21a. The lever 21b is adapted to be locked in its downward position by means of a sliding locking memher 381) similar to locking member 39. A blade holder '5 5b which is similar in substantially every detail to the holder 55 is pivotally mounted on pivot members 58b carried by theforward end of the handle 20b.

. The holder 55b at the lower edge thereof is formed with upturned tongues or reverted blade holding members 19 which are positioned adjacent the opposite edges of the holder 55b and are formed with notches 88 in which the lower corners of the blade 81 are adapted to' engage. A pivoted guard member 82 is pivotally'mounted on pivot members 83 carried by the bottom wall 22b of the handle 20b; the guard 82 being formed with apair of upwardly extending ears 84 through which the pivot member 83engages. The guard 82 also has secured thereto a pair of fragmentary spur gears 85 which are positioned within the hollow handle 20b and are engaged by a pair of downwardly extending toothed racks 85 which are fixed to the lower side of the lever The bottom wall 22b is formed with a pair of openings 81 through which the racks 86 are adapted to engage when the lever 21b is rocked downwardly. With a construction as shown in Figures 11 and 12, both the holder 51b and the guard 82 are rocked forwardly and upwardly upon inward rocking of the lever '2'"). As the holder 5% and the guard 82 are mounted on spaced pivots they will be positioned in spaced apart relation when the lever 21b is 'moved inwardly to position the blade holder and guard in inoperative position.

Referring now to Figures 13 to 15, there is dislosed a still further modification of this invention. A handle 280 is provided which is similar in every respect to handle 20 with the exceptions blade holder 550 which is similar in every respect to blade holder 55 is pivotally mounted on the forward end of the handle 28c and is adapted to be rocked outwardly and forwardly to an inoperative position upon rocking of a lever 210 similar to lever 21b. The lever 210 is locked in a selected position by means of a slidable lock 39c carried by the lever 210 and adapted to slide downwardly to engage a keeper 430 similar to keeper 43.

The handle 200 has formed integral with the forward end thereof a downwardly extending blade guard 82c andthe' guard 820 is adapted to be cleaned by means of a cleaner 88 which is adapted to wipe the rear side of the guard 820. The opposite ends of the cleaner 88 is formed with hooks or guide members 89 as shown in Figme 14 engaging over the opposite edges of the holding a straightjedge gagement through blade holder pivotally .holder operating lever pivotally carried by said an opening 91 formed in the rear portion of the lever 28c. In the present instance, the guard 82c is straight so that in order for the cleaner 88 to constantly wipe the rear side of the guard 8'2c,it is-necessary to provide for a sliding connection between the cleaner 88 and the lever Referring now to Figure 16, there is disclosed a; perspective ;view of a blade holder for use in razorxblader The blade holdershown in Figure 16 is adapted to be ,used with handles 28a, 200 or 280. The holder shown in Figure 16 which is designated generally by the numeral 98 is constructed in the form of a split resilient tube wherein the enlarged, back 89 of a straight edge razor Hill is adapted to slidingly engage. The split tube 98 is formed with a rearwardly extending arm l8! having a bifurcated rear end portion I02 between which the T-shaped end of the holder operating lever similar to the T-shaped' end 61 is adapted to slidinglyengage. The tubular member 98 is formed with a longitudinal extension-l 03 having a downwardly extending stub member I04 against which the adjacent end oj the blade I08 is adapted to abut. r

In the construction shown in Figures 11 and 12, the guard 82 is formed with a pair of out-- wardly projecting stop members 82b which engage the lower; edge of handle 2lb so as to limit the rearward swinging of guard 82.

In the construction shown in Figures 7, 8, and 9, the plate 63 is provided with .pins 63a for enopenings in makes so that this holder may be used with varioustypes of blades. This same construction may be incorporated in any one or all of the forms of the invention herein disclosed.

What I claim is:

l. A razor bladeholder comprising a handle, a guard carried by one end of said handle, a carried by said handle, a

handle andextending lengthwise thereof, correlated means carried by said handle and said holder whereby the latter will be rocked to operative or inoperative position upon rockin of said lever, and spring means constantly urging said lever to maintain said holder in operative posiion.

2. A razor blade holder as set forth in claim 1 which includes means whereby said lever may be locked to maintain said holder in either operative or inoperative position.

3. A razor blade holder as set forth in claim 1 which includes a lever locking member slidably carried by said lever, said handle being formed with a keeper for engagement with said locking member to thereby hold said lever in a position to maintain said holder in inoperative position.

4. A razor blade holder comprising a handle, a blade holder pivotally carried by said handle, a guard pivotally carried by said handle, a common operator carried by said handle engageable with said holder and said guard for effecting rocking of said holder and guard to operative or inoperblades of difierent,

ative position, and spring :meansifor normally maintaining said operator in a position-whereby said holder and guard will. be in an operative position. i

'5. A razor blade. holder as set forth in claimr4 including releasable lockingfme'ans. for locking said operator in operative or inoperative position. 6. A razor blade. holder as set forth in claim-4 including a lengthwise adjustable locking member carried by said operator for holding the latter in operative position. I

7. A razor bladeholder as set forth in claim 4 including a lengthwise adjustable locking member slidabl carried by said operator for holding the latter in operative position.

8. A razor blade holder as set forth in claim 4 wherein said holder includes a pivoted plate, a pressure plate on the rear side of said first plate, a bar having outwardly opening-slots in the opposite ends thereof, T-shaped holding members a carried by said first plate engaging in the slots of said bar, and a pressure applying screw threaded through said bar.

9. A razor blade holder comprising an elongated handle, a razor blade holder pivotally carried by one endof said handle, a holder operating lever pivotally carried by said handle, correlated means connecting said lever with said holder, spring means constantly urging said lever to maintain said holder in operative position, a guard carried by said handle,a guard cleaning member disposed ina position for wiping engagement with said guard, and means swingably supporting said cleaning member, said supporting means being disposed within said handle.

10. A razor blade holder comprising an elongated handle, a razor blade holder pivotally carried by one end of said handle, a holder operating lever pivotally carried by said handle, correlated means connecting said lever with said holder, spring means constantly urging said lever to maintain said holder in operative position, a guard carried by said handle, a guard cleaning member disposed in a position for wiping engagement with said guard, and means swingably supporting said cleaning member, said supporting means comprising an elongated lever pivotally mounted within said handle.

11. A razor blade holder comprising an elongated handle, a razor blade holder pivotally car ried by one end of said handle, a holder operating lever pivotally carried by said handle, correlated means connecting said lever with said holder, spring means constantl urging said lever to maintain said holder in operative position, a guard carried by said handle, a guard cleaning member disposed in a position for wiping engagement with said guard, and means swingably supporting said cleaning member, said supporting means'comprising an elongated lever pivotally mounted within said handle, and means carried by said second lever engageable with said first lever whereby said second lever will be moved to inoperative position when said first lever is rocked to position said holder in operative position.

12, A razor blade holder comprising an ,elongated handle, a razor blade holder pivotally carried by one end of said handle, a holder operating lever pivotally carried by said handle, correlated means connecting said lever with said holder, spring means constantly urging said lever to maintain said holder in operative position, a guard carried by said handle, a guard cleaning member disposed in a position for'wiping engagement with said guard, and means swingably supporting said cleaning member, said supporting means comprising an elongated lever pivotally mounted within said handle, said first lever having an opening in the rear thereof, and an extension carried by said second lever engaging within said opening whereby said second lever will be rocked in at least one direction upon and by rocking of said first lever after the latter has been rocked to position the holder in operative position.

13..A razor blade holder comprising an. elongated handle, a razor blade holder pivotally car'- ried by one end of said handle, a holder operating lever pivotally carried by said handle, correlated means connecting said lever with said hold er, spring means constantly urging said lever to maintain said holder in operative position, a guard carried by said handle, a guard cleaning member disposed in a position for wiping engagement with said guard, and means swingably supporting said cleaning member, said lever and supporting means for said cleaning member being so arranged and constructed that when the said lever is rocked to maintain said holder in operative position after said cleaner has been rocked to cleaning position, said supporting means will be operated simultaneously b and with said lever.

LOUIS a LARSON.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4047296 *Jul 27, 1976Sep 13, 1977Feather Safety Razor Company, Ltd.Two-edge shaving blade unit having anti-clogging means
US4205437 *Mar 2, 1979Jun 3, 1980Warner-Lambert CompanyClean-out device for twin blade shaving unit
Classifications
U.S. Classification30/41, 30/58
International ClassificationB26B21/30, B26B21/08
Cooperative ClassificationB26B21/30
European ClassificationB26B21/30