US825947A - Razor-stropping device. - Google Patents

Description

No. 825,947. PATENTED JULY 17, 1906.

J. VELASCO. I "RAZOR STROPPING DEVICE.

APPLICATION TILED AUG.26.19 ,05.

' TED STATES PATEN" oEErcE,

JOHN vELAsoo, or LoNno ENGLAND, ASSIGNOR TO THE WILKINSON sworn) COMPANY LIMITED, or LONDON, ENGLAND.

, Specification of Letters Patent.

Patented July 17, 1906.

Application filed August 28,1905? Serial No. 276,957.

To ztZZ whom it may concern:

Be it known that 1, JOHN VELASCO, a subject of the King of 'England, 'residin at 'Clapham Common, London, En land, ave invented acertain new and usefu Improved Razor-Strep ing Device, of which the followingris a speci cation.

hisinvention relates to that class of razortion of the razor-blade at the proper angle to frictional contact with the moving strap or band. In such stropping devices no provision has hitherto been made for iving to the razor-blade that movement in t e direction of its own length during the stropping operation which is imparted to it when skilhilly stroppcd by hand. Such movement is essential for. properly setting the razor; and the object or the present invention is to remedy this defect, so as to enable any person however unskilled to obtain mechanically, and consequently with certainty, a result equal to that obtainable by a skilled person usin an ordinary strop.

T e invention consists, essentially, in provlding means whereby not only does the razor receive the usual oscillatory movement,

but the relative position of the razor-blade and strop is caused automatically to vary continuously in such manner that as the stropis drawn past the razor-blade the latter receives a movement transversely of the strop, or vice versa, the resultant of the two movements being equivalent, in efi'ect, to the oblique movement of the blade relatively to the strop hitherto obtainable only in handsin-ripping;1

A mac ine for carrying out the invention comprises in addition to the usual holder for the razor blade and strop movable to and fro over the razor-blade mechanism actuated by the movements of the strop to r0- duce relative movement between the b ade and the strop in a direction transverse to the actuating movement of the strop.

In order that the invention may be fully understood, a razor-stropping machine embodying a preferred form of the invention will now be dcscribedfiby we of example only and not of limitation, wit reference to the accompanying drawing, which shows a perspective view with parts cut away, of such a machine. 4 I

The spring-clam B, in which the blade A of the razor is held, is carried on a rod B, mounted in bearings in the frame C of the machine, so as to be capable not only of oscillation, as usual in machines of this type, but also of endwise movement. To the rear of and parallel with the rod B is a spindle D, carried in bearings in the frame C, so as to be capable, like the rod B, of both rotary and endwise movement. Surrounding the middle portion of the spindle D is a sleeve or tubular roller D, held from endwise movementliy portions of the frame C, as clearly shown in the li ure. The roller D forms the rear guide lor a leather band E, which constitutes the strop, the ends of the strop passin forward, one on each side of the razor-c amp, between guide-rolls O O in a manner usual in these machines.

As the strop is drawn to and fro the roller D is oscillated, and-means are provided in connection with the roller and spindle to convert all but the initial part in either direction of rotary movements of the former into endwise movement of the latter, and'through the latter to the razor-clamp Preferabl ,as shown in the drawin the inside wall 0 the roller is provided wit a female screw-thread D, with which engages a tooth D or teeth fixed on the spindle. D is 1provided with a toothed segment whic sponding se ment rod B, whic as before described, carries the razor-clam One of the segments-say, as as shown, is formed with top and bottom plates D which roject beyond the teeth and en age the ot er se ments'ay B-be-' municated to the razor-clamp.

The top of the s indie;

4 0 the teeth en age with those of a cor ie-i fixed on the top of the holder.

The. operation of the machine is as follows As the o' 'erator stands in front of the machme an pulls the strop-handle E, held in his right hand, toward him the friction of the strop rotates the roller D in a direction which first, through the toothed segments D B throws the razor-clamp over toward the right hand and brings the one face ofthe razor-blade in contact with the portion of the stro between the roller D and guide roll C, as s own in the drawing, The clamp is thus prevented from revolving farther in that direction, and rotation of the spindle D is changed into rectilinear endw'ise movement, moving the razor-blade transversely across the strop as the latter is drawn over the blade. On

the operator reversing the movement and exertmg a pull on the left-hand strop-handle E the razor-blade is immediately thrown over into contact with the portion of strop on the opposite side of the frame between the roller D and guide C and the blade is then given rectilinear endwise IHOVBIIEH] in the reverse direction. I

The frame is provided as usual with means to removably attach it to some fixture when in use sa a hook C, as shownand means are provi ed, as is usual, for enabling the razor to be readily placed in and removed from the clamp. A pair of coiled sprin s 0 C surrounding the spindle, each hel between one end thereof, and a portion of the frame C may also be provided in order to normally retain the clamp in its mid-angular position. I i

Although the machine hereinbefore described embodies the invention in a preferred form, it is evident that the construction described may be varied without departing from the spirit of the invention; For instance, instead of the roller D giving-endwis'e movement to the spindle D, and thereby to the razor-holder, these latter may be held from such movement and the roller D caused to move along the spindle, so that relative movement between the razor blade and strop transversely to the direction of the actuating movement of the strop would be caused by a movement-of the strop and not, as hereinbefore described, by a movement of the razor- What I claim as my invention, and desire to secure byLetters Patent, is

1. In a machine for stropping razors the combination with a razor-blade holder, and a stro movable to and fro on each side of the hol er, Ofmeans actuated by the said movements of the strop to produce relative movement between the holder and the strop in a direction transverse to the actuating movements of the strop.

2. In a machine for stropping razors the combination with a razor blade holder and a tively movable strop,

movable strop, of means actuated by movements of the strop to give end'wise movement 'to the holder. 3, In a machine for strop ing razors the combination with a razor-holder and aroller to which oscillatory movements are given by the strop, of means whereby oscillation of the rollercaus'es endwise movements of the holder. 4. In a razor-stropping machine and in combination, a' frame, a razor-blade holder carried so as to have endwise movement.

therein, a rod likewise carried in the frame parallel to the holder and capable of endwise movement in bethe frame, a connection tween the holder and the rod so that endwise' movement of the latter is communicated to the former, a sleeve surrounding a portion of the rod, so as to rotate thereon and held from endwise movement by portions of the frame, a strop arranged to be drawn to and fro over said sleeve and oscillate the same and an operative connection between the sleeve and the rod so that rotation of the sleeve gives endwise movement to the rod, and through the rod to the holder.v I

5. In a razor stropping machine and in combination a frame, a razor-blade holder carried therein capable of both endwise 'movement and a partial sidewise swingin movement, a. rod carried in the frame paralle a to the holder and capable of endwise and partial rotatory movement, an' operative connection between the holder and the rod so that both movements of the latter communip cate corresponding movement to the holder,.

a sleeve surrounding a portion of said rod so as to'rotate thereon and held from endwise movement by portions of the frame, a strop arranged to be drawn to and fro over said sleeve and on each-side of the holder, guiderolls and the strop carried in the frame in front of said holder and an operative connection between the sleeve and the rod so that movement of the sleeve gives both a partial oscillation and an endwise movement to the the holder.

rod and through the rod to a blade- 6. In a razor-stropping machine,

r to

holder, and means to move it rectilinearly end'wise.

7. In a razor-stropping machine, an oscillating blade-holder, and means to move it rectilinearly endwise. I i

8. In a machine of the class. described,the combination with a blade-holder and a strop,

of means to effect anoblique relative movement between said holder and said stro 9. In a machine of the class described the combination with a blade-holder and a relaof means actuated by the movements of the strop to oscillate and reciprocate the holder. I

10; In a machine of the class described, the combination with an oscillating bladeholder 825,947 aft and a strep, bf means to effect an oblique fel- In testimony whereof I have signed my ative movement .between said holder and name tothis specification in the presence of 10 said strep. V I two subscribing wltnesses.

11. In a machine of the class described, the JOHN VELASCQ combination with a blade-holder and a relatively mvable strep, of means actuated by Witnesses: the strop to give-rectilinear end-wise move- T. H. RANDOLPH, ment to the holder. F. J. MORGAN:

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