US2347856A - Hone - Google Patents

Description

May 2, 1944. H. E. WACHTER HONE Filed March 17, 1943 Patented May 2, 1944 HONE Herbert E. Wachter, Kirkwood, Mo

herine E. Wachter, Kirkwood, Mo.

Kat

assignor to Application March 17, 1943, Serial No. 419,401 1 Claim. (01. 51-186) This invention relates to hones, and with regard to certain more specific features, to sharpeners for hand-stroking knives and the like.

Among the several objects of the invention may be noted the provision of an economical hand-stroking hone, particularly for culinary and like uses, which requires for its manufacture little critical war-time material; and the provision of a device of the class described which in addition has the advantage of lightness and unbreakability. Other objects will be in part obvious and in part pointed out hereinafter.

The invention accordingly comprises the elements and combinations of elements, features of construction, and arrangements of parts which will be exemplified in the structures hereinafter described, and the scope of the application of which will be indicated in the following claim.

In the accompanying drawing, in which is illustrated one of various possible embodiments of the invention,

Fig. 1 is a side elevation of and,

Fig. 2 is an enlarged cross section taken on line 2+2 of Fig. 1.

Similar reference characters indicate corresponding parts throughout the several views of the drawing.

Referring now more particularly to Fig. 1, there is shown at numeral I a one-piece stick formed with a handle 3 and a long, thin, tapered pencil extension 5. This stick is preferably turned from wood. The tapered portion 5 has straight tapering sides forming a long pencillike conical form to the surface of which is applied adhesive I.

Wrapped around the conical pencil 5 and held thereto by the adhesive 1 is a layer of emery cloth consisting preferably of a woven fabric backing 9 on which is carried surface H. The adhesive I holds the backing 9 to the pencil 5, and the whole forms a very smooth and tenaciously adhering abrasive surface onthe pencil. Suitable adhesives are animal glue, casein glue, or some of the so-called plastic adhesives now available. Other abrasive sheets may be used for adherence to the stick I, such as emery paper or the like; also other abrasives besides emery are useful. Emery covered sheets, particularly fabric are advantageous, because of the toughness of the surface provided thereby and its quality of further embedding emery particles when stroked, so that my new hone;

the intergral emery these particles remain useful for many sharpening strokes.

In arranging the emery cloth 9, II on the tapered pencil 5, it is wrapped on the bias, relative to the axis of the stick I, so. that the butt joint shown at I3 is helically arranged on the conic pencil. This assures a perfectly smooth, solid and unwrinkled sharpening surface. The bias is so chosen that said butt joint l3 has a very sharp angle with respect to the axis of the stick I, thus presenting very little crosswise component thereover by stroking action of the knife which is being sharpened. Thus the stroking of knives and the like on the device does not have any substantial tendency to pick up loose edges which might strip the emery cloth from the stick, such as might occur if the joint '13 had a large wrapping angle. The angle between the joint I3 and the axis of the stick is so small that the joint wraps around the stick less than a revolution throughout its length; in fact it is only about in the example shown. In addition the wrap of the Joint I3 is left-handed, as indicated, so that when the device is normally held in the left hand, and a knife is stroked onboth sides of it by the right hand, the action of the knife on the cone is practically parallel to the direction of the joint when on the joint.

Features of the invention are that turned wooden sticks are easily prepared in numbers and well-made abrasive sheets are'available in which the abrasive adheres tenaciously to the sheets. Since a firm adherence may be obtained between the sheet as a whole and the stick, by means of the adhesive 1 the abrasive is not lost in the first few sharpening strokes as incases where emery is embedded directly in an adhesive-covered surface. In fact, stroking of a knife on the abrasive sheet instead of removing particles immediately and rendering the surface useless as a sharpening surface, tends to embed the abrasive in the sheet and makes the device useful for much longer periods of time than might superficially be expected.

Other advantages are that the device has a one-piece core and involves only two pieces in its entirety (the core and the abrasive sheet). It is light in weight and may be dropped with impunity, which is not true of former monolithic abrasive structures. In addition it can be stored with other culinary hardware pieces without the danger of breakage attending monolithic stone devices of this class. In addition, its initial cost is extremely low.

In viewof the above, it will be seen that the 2 2,s47,aso

several objects of the invention are achieved as illustrative and not in a limiting sense.

I claim: A hone comprising a one-piece circular stick forming a core, an integral end portion or the stick being formed as a handle and the remainder as an elongate conical support, and an abrasive-covered sheet which itself is conically formed and adhesively attached to said conical support, and having a bias arrangement with a butt Joint between its edges. said jointbeing arranged as a helix of sharp helix angle with respect to the axis of the stick such that irom and to end of the stick less than 360' oi the circular arc of the stick is occupied by the wrapping form 10 of said Joint.

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