US1480771A - Safety-razor stropper - Google Patents

Description

Jan. 15 '1924. 1,480,771

` W. H. LISH SAFETY RAZOR STROPPER Filed May 16. 1922 'iig Utta/mag Patented dan. 15, 1924.

UNIE

TES

WILLIAMS H. LISH, OE' YORK, PENNSYLVANIA.

SAFETY-RAZOR STROPPER.

Application led May 16, 1922. `Serial No.` 561,365.

To all whom t may conce/m Be it known that I, WILLIAM I-I. LIsH, a citizen of the United States' of America, and a resident of York, county of `York, and State of Pennsylvania, have invented certain new and useful Improvements in Safety-Razor Stroppers, of which the following is a full and clearspecification.

The object of this invention is to provide a simple and light device whichmay be made at a minimum manufacturing cost and which at the same timewill avoid glazing the strop, as more fully hereinafter set forth.

In the drawing- Fig. 1 is a longitudinal sectional view; y

Fig. 2 is a transverse sectional view on the line 2 2 of Fig. 1;

Fig. 3 is a top view partly broken away;

Fig. L1 is a plan view of the frame plate in the flat; y

Fig. 5 is a perspective detail of the blade- `holder.

In the drawing, 10 designates the usual handle, afxed to the upper end of which is a frame consisting of two side-plates 11 and a cross-bar 12, these parts being desirably struck up from a fiat piece of sheet-metal, as shown in Fig. 4;. The sides-plates 11 are rigidly connected, in addition to the bar 12, by a rivet-rod 13. The strop-guiding means consists of three rollers, two small ones 14 and one larger, central roller 15, these rollers being journaled in the `side-plates 11.

The ends of the two smaller rollers 14 are journaled in pockets 16 formed in the sideplates, and the shaft 17 of the central roller is likewise journaled in pockets 18 formed in the side-plates, these pockets 16-18 being formed by outwardly cupping the metal of the side-plates. rIhe pockets 18 are slightly elongated in the direction of the length of the handle 10, for the purpose hereinafter set forth.

The blade-holder consists of a `piece of sheet-metal bent upon itself to form a pair of spring-jaws 19 which are adapted to clamp the blade 20, the construction of these -jaws being such that they will accommodate any of the well-known types of safetyrazor blades now on the market. At the line of fold of this plate, it is formed into an open cylinder 21 which is journaled upon the side-plates 11 in any suitable manner, preferably by cupping one of the side-plates at 22 and by providing at the other side a bushing" 22 journaled on the rivet-rod 13. The plate 11` at this side is cupped outwardly to receive two gear- wheels 30 and 31, one being affixed to the cylinder 21 through the medium of the bushing 22 and the other being affixed to the vroller 15 or its shaft 17. The length of the journal-cups 18 is such that when the strop is passed under the roller 15 and drawn taut, the two gears 30-31 will be brought into mesh, so that-the movement of the apparatus along the strop will cause the blade-holder to flop back and forth in the usual manner. When there-is no force applied to the roller 15, it drops away from the cylinder 21 far enough to disengage the gear 31 from the gear 30, thus permitting the roller 15 to revolve independently and freely. In order to avoid polishing or glazing thesurface of the strop,

I make the roller 15 `of raw hide or fibre,`

and I may for the same purpose roughen the rollers 1 The two plates composing the rblade-- clamping jaws .arel separated from each other at a point between the blade-clamping parts and the cylindrical part 22 in order to provide a recess for the reception of the reenforced back edge of the yblade and also in order to produce theV necessary springiness inthe plates to. normally `separate them when the clamping. device, now to be.'` described, is released. This clamping device consists of a rotatable pin`24 passed through the two plates and provided at one side with a rivet-head 25 and havingvaiiixed rigidly to its other end a thumb-piece `26 by which the pin 211 may be rotated. Adjacent to the thumb-piece `26 `is an enlargement 27 so placed that when the thumb-piece is turned it will ride up on this enlargement and thus clamp the jawsupcn the blade. When further rotated, `the thumb-piece 26 slides ofi' the enlargement and permits the bladeclamping-plates to spring apart to thus release the blade.

It will be seen that every time the strop is interlaced in the holder, a different part of the surface of the roller 15 will be brought into Contact with the face of the strop, thereby preventing any particular part of the face of the roller 15 from becoming glazed by repeated use. It will be understood, of course, that as soon as the blade comes against the strop, the rotation of the roller 15 will cease and thereafter the lstrop will slide on thesurface of the roller; hence through the apparatus.

the desirability, as stated, of bringing a new or fresh part of the faceof the roller ifinto use each time a stropping operation is performed.

It will be understood that the rollers 14 need not be rotatable; they may be rigidly affixed to the frame at their ends, if desired, but it is desirable that they shall be rotatable, as set forth, in order not only to avoid glazing the under-side of the strop, but also to facilitate the passage of the strop To facilitate removal of the blades from the holder, I may provide one of the jaws with one or more notches 29; and to facilitate the insertion of the blade between the jaws I may provide the edges of the jaws with lips For the purpose of still further preventing theroller l5 from glazing the strop, I rib or otherwise roughen the face of the cylinder 2l so that while the stropper is inaction and the roller l5 is frictionalengageM ment with vthe cylinder 2l, the surface of said roller l5 will beslightly indented or roughened to thereby break up any glaze that might tend to form on its surface, it being understood that the roller l5 is to have a raw-hide, fibre or other yielding, nonglazing surface. For ythe purpose of assisting in guiding the strop when it is interlaced between the roller, I fasten to the inner face of the bar 12a dished plateBQ.

I do not desire 'to be understood as limiting myself to the precise/details of construction and arrangement shown, `as variations and modifications therefrom may be made without departing from thespirit and scope of my invention andimprovements. I therefore reserve the. right to :all such variations and modifications as properly fall within the scope of my Vinvention and improvements and as set forth in the terms of the following claims.

lVhat I claim is:

i. In a safety-razor-blade stropper, a han` 2. In a safety-raZor-blade stropper, a handle carrying` a frame, a flop-over razorblade-holder Journaled 1n the frame and having a roughened cylindrical surface `around the axis of said journal, a strop- 'guiding means embodying a central roller journaled in the frame and bodily movable into Contact with said cylindrical roughened surface during the stropping action, said roller having a surface of yielding materialN for the purpose set forth.

3. In a safety-razor-blade stropper, a handle carrying` a frame, a flop-over razor-'bladeholder journaled in the frame and having a roughened cylindrical surface around the axis of said journal, a strop-guiding means embodying a central roller journaled'in the frame and bodily movable into contact with said cylindrical roughene'd surface during the strapping action, said roller having a raw-hide surface.

In testimony whereof I hereunto affix my signature.

WILLIAM H. LISH. l/Vitnesses:

MARVIN THOMAS, EDWARD fC. HOFFMAN.

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