US1816657A

US1816657A - Safety razor

Info

Publication number: US1816657A
Application number: US335031A
Authority: US
Inventors: Hyman R Segal
Original assignee: Segal Safety Razor Corp
Current assignee: Segal Safety Razor Corp
Priority date: 1929-01-25
Filing date: 1929-01-25
Publication date: 1931-07-28
Anticipated expiration: 1948-07-28

Description

July 2 8, 1931.

H. R. SEGAL SAFETY RAZOR Filed Jan.

xNvENToR Segal BY M/ 9M/"ml y] ATTORNEYS PatentedvJuly 28, 1.931 l UNITED STATES PATENT OFFICE HYNLAN RjsEGAL, oRNEW YoRx, N. Y., AssIGNoR 'ro sEGAL sAEETY RAzoR Conro- RArroN, or NEW YORK, N.Y., A coRroRArIoN or NRW YoRx SAFETY RAZOR .Application filed January'25, 1929. Serial'No. 335,31.

This invention relates to improvements in safety razors.

It is a primary object of the invention to provide a ra`zor frame rendering more conf' venient the introduction or removal of the blade to or from the frame.

Itis a further object to avoid all possible i contact. of the` fingers of the user with the kof ,an improved blade for facilitating its adaptation to the present invention without:

blade-holding parts wherever possible.

A stillfurther object is in the provision sacrificing any lfeature of holding the blade i the drawings in which:

stationarywhen in use.

These and other objects will appear more fjully when considered in connection with Fig. 1 is a longitudinal sectional view showing one form of my invention. f

Fig. 2 is a similar view showing the parts movedto blade-removing position,

' Fig. 3 is a view similar to Fig. 1 showing a slight modification of my invention.

' Fig. 4 is a sectional view showing the parts moved to blade-removing position.

Figg is a detail view showing a modified form of blade and supportin elements.

Fig. 6 is a detail view o the blade employed herein.

The abovefeatures are provided in `the present construction by forming a shank 8 of hollow internal section andformed with.

by making-the same integral or swaging or' flanging the parts together as shown. The

` `outer face of the plate 12 is provided with vprojecting studs 13 for receiving the apertured blade 11 and the apertured plate referred to below. y

The outer plate 14 is pivotally connected to the stem 10 as by means of the pivot 15. It is preferred to maintain the plate 14 in either transverse or longitudinal relation with respect to the stem 10 soas to maintain these parts in any set position. This may be accomplished by providing a slid- -able plunger 15 for engagement with the inner squared. shoulder 16 formed on the projectingl pivot-forming portion of they plate 14. Plunger 15 and compression spring 20.may be mounted in a suitable recess within the interior of the stem 10.

In the preferred form of the invention the outer surface of the guard 12 and inner surface of the plate 14 are curved transversely to flex the blade 11 into its shaving position.

The stem 10 is lformed withthe screwthreaded portion 22 for receiving an engagement collar A24 vheld in place on the stem as by means of the securing nuts shown. The screw-threaded` portion 22 projects outwardly beyond the collar 24 for engagement with the inner screw-threaded portionu and engageable by the collar 24 when the operating member 26 is moved outwardly. The outer face of the guard 12 and the plate 14 are. formed with co-acting studs and apertures for supportingthe blade dur'v` ing the use of the samerthe studs serving to place the blade during the assembly of the same onto therazor. I

If preferred the collar 24 may be made of resilient material to facilitate the ipping between the'cylindrical portion o the operating member and this collar durin the operation of the parts as describe below.

when iefie desired @introduce e blade vonto the razor frame disclosed, the operating f member 26 is unscrewed from the threaded portion 22 of -the stem 10. The operating member isv then moved downwardly to the dotted line positionshown in Fig. 1 until the tapered portion 28- engages and grips the collar 24.. The operatlng member is then thrust upwardly into the` razor thus pushing the plate 14 outwardly away from the guard 12. Atthe same time the operating member 26 may be turned to place the plate 14 transverse to the guard 12 as shown in Fig. 2.l The plate 14 may then be turnedyintoits vertical position and the blade passed over the same into position on the securing studs, after which the plate will be tilted into substantially the plane of the guard 12 and lwill be turned to, permit the` apertures thereonto engage.

over the securing studs. The operating member may then-be screwed onto the stem 10 and the razor is ready for use. v

In the modified form of my invention shown in Figs. 3, and 4 the construction and operation is substantially 'the same except that an additional yspring member of rust-proof steel is attachedto the stem 10 and is always engaged with the inner surface ofthe cylindrical vportion of the operating member 26a. With this form of the invention a better control for the outer plate 14a is obtained since the constant frictional engagement between the member carried on the'stem 10 and the inner surface of the operating member 26a permits lthe operating member to be unscrewed from "the stem 10 and moved outwardly. after which presguard should be accurately positioned tot .hold the samel in shaving position.

sure upon the operating member moves the stem 10 and plate 14a correspondingly.

If desired the spring-pressed-member may be formedby separating a thin piece of the metal Ifrom the stem 10 instead of forming the friction spring as' a separate element.

In Fig. 5 I have shown` aslightly diersurfaces for receiving a rigid balance blade 11b. The parts illustrated in Fig. 5 are illustrated to show that either the irst, or second form of my invention described above` is adaptable for use with a rigid blade.

In Fig. 6 I have shown a preferred form of blade for use in this razor. As stated above it is intended 4to pass the blade over the longitudinally .extended plate and onto the anchoring lugs of the guard. It is desirable however to remove as small a portion of the -metal of the blade'as possible to .accomplish this function;l Furthermore the, blade when introduced onto the' studs of the These features are provided for in the blade shown in Fig. 6 wherein the blade 11 1s formed with acentral slotted 'portion 32 having elongated arcuate side portions of substantially the same contour as the transverse curvature of the outer face of the plate 14. These curves are preferably the same'on both sides of the median line of the' blade so that the blade may be 'turned -with either side of blade positioned adjacent the down-turned plate. The slot 3 2 vtosaid stem and shank. r

Istantially ninety degrees each the same and terminates in circular slots 34 of slightly less than a complete circle- It A is preferred thatuthe periphery-of the openings 34 occupy'substantially more than semicircles in order to 'securely anchor the blade with respect to the. guard and both securing studs on the same. v Je v Having now described my linventlon., I claim: V l i 1. In 'a safety razor, a rigid guardv and shank, an outer plate, an attachment vstern pivotally connected to said plate and slidably mounted within said shank, an'oprating member mounted for bodily and rotational movement with respect to said shank, and releasable means for causing said stem and 2. In a safety razor, a frame including a guard and la shank, an outer blade-engaging plate, `a stem pivotally. supporting said plate and movably mounted within said shank an'd a manual operating member for moving said stem and plate outwardly of-said shank and-`rotating the same.

3. In a safety razor, a frame including ing plate, a stem pivtally supporting said plate and movably mounted within said shank, a manual operating member for moving lsaid stem and plate outwardly of saidv 'shank and rotating the same and spring means for maintaining said plate in longitudinal or transverse position with 'respect 4. In a safety razor, a frame including a shank and guard, ,an outer` blade-engaging plate, an attachment stem pivotally supporting said plate and slidably and rotatably ar- "105 ranged with respect to said frame for permitting said. plate to vbe moved outwardly from said guardand rotated and tilted subv formedk with a central slotted. being passed over said plate.

5. In a safetyI razor, a frame including a shank and guard, 'an outer blade-engaging plate, an attachment stem pivota'lly supporting said plate and slidably and rotatablyarranged with respect to said frame, for .per-

mitting said plate to be moved outwardly from'said guard and rotated and tilted sub-j stantially ninety degrees each, (io-acting studsand slots formed on said guard and A120 plate for positioning said vblade and plate wlth respect to said guard, and a blade formed with end openings for receiving said Y studs and with a central slotted opening pro-- portioned to be passed. over said outer plate when the latter is tilted to endwise position.

6. In -a safety razor, a frame including a guard and a shank, 'an'outer blade-engaglng plate, means for clamping said blade between said guard and plate when the latter are 1n shaving relation, a stem pivo/tally supa guard and a shank, an outer blade-engagu anda blade "portion 'for porting said plate and movably mounted within said shank, and a manual'operating member for moving said stem and plate outwardly of said shank and rotating the same.`

7 In a safety razor, a handle, a head supported thereon and comprising a guard, a support, means for attaching said support to said handle for'sliding :movement with respect thereto, a keeper pvotally mounted on said support and guiding lugs on said guard and a razor blade adapted to be positioned between said keeper and guard and to be guided by-said lugs, said blade including alongitudinally extending slot of a length suliicient'to permit said blade to' be passed outwardlyfover said keeper.

8. A razor including, in combination, a head, a handle for said head, said head comprising a guard,` a clamping plate, means slidable within said handle and substantially permanently attached to saidy guard andv said clamping plate for drawing said last named elements 'towards each other, and ablade to be positioned between said elements and formed with anopening for the passage of one ofthe same. J

9.y A razor including, in combination, a

' through whenthe latter is rocked around its head, a handle for said head, said head comprising a guard, a clamping plate, means substantially permanently attached to said guard and said clamping plate for drawing said elements toward each other, a blade to be positioned between said elements and formed with an opening for the passage of one of the same, and means vwhereby such element may be brought to a position extending at an angle to the other element..

during its passage through the blade openmg.

10. A razor including, in combination, aV

head, a handle associated with saidhead,

said head comprising a guard, a clamping plate, means slidable within said handle for drawing Isaid plate towards said guard and substantially permanently attached to both of said elements, andmeans associated with said last named means and said clamping plate whereby the. latter may be rocked to assume a position extending\angularly with respect to said guard. l v

11,A razor including, in combination, a head, a handle associated with said head,

. said head comprising a guard, a clamping plate, means for drawing said plate towards said guard and substantially permanently attached to both of said elements, means associated with said'last named means and said clamping plate whereby thel latter may be rocked to assume a position extending angularly with respect to said guard, and -a blade formed with an opening for the passage of said clamping plate when the latter -is in such position.

12. A lrazor including, in combination, a

pivot and to extend at an angle' with respect to said guard. 13. In a safety razor a handle, a guard attached Ato said handle, guiding lugs on said guard projecting outwardly therefrom, a keeper provided with recesses for receivingsaid lugs, a support for said keeper slidable within said handle and pivotal means for, attaching said' support centrally of said keeper.

141. In. combination, asafety razor including a guard, a handle, a rod slidable within said handle, a clamping plate swingingly mounted on said guard and adapted to maintain a position substantially parallel to that of said guard when in contact therewith but to maintain a position at right angles of said guard when remote therefrom and a blade formed with an opening therein through which said clamping platecan pass when the latter is at rightiangles to said 'guard in order that the plate maybe as-` sembled in the razor. i 15. In a safety razor a combined guard and shank, `a supporting stem, an outer blade engaging. plate pivotally secured to said stem', and means for moving said stem and plate outwardly with respect to said shank and guard andA for simultaneously rotating the stem and the shankand guard.

16. In a safety razor, a shank, a guard attached thereto, a supporting stem slidplate withl respect to ablyarranged with respect Jto said shank, A

a blade engaging plate pivotally. attached to said stem and means for rotating said p .stem about its own axis as said stem moves outwardly of said shank.

17. Iny a safety razor, a shank, a guard attached thereto, an supporting stem slidably-arranged with respect to said shank, a

'bladeengaging plate pivotally secured to said stem, -means for rotating said stem about its own axis as said stem moves outwardly of said shank and manuaf means exposed adjacent one end of said shank for -moving saidstem with respect to said shank.

18. In a safetyrazor, ya frame including a handle and a guard, a sha-nk mounted for longitudinal movement within said handle,

'anstem mounted for longitudinal movement guard, a handle extending from said guardk within said shank and handle, a plate pivotally attached to one end of said stem', said shank being adapted for moving said plate and stem outwardly onv said frame and meansforming a part of said shank for'se- 'curing said stem against movementwith respect to said frame.

Signed at New York in the county of. New York and State of New York this 23rd day of January, A. D. 1929. v

y HYMAN R. SEGAL.