Патент USA US2406519код для вставки
m. 21, 1946‘ _ J. URBAN _ 2,406,519, gum swarm Filed Oct. 56, 1944 ‘ 11mm, ¢/05£P// Mean/v ,qrmewzy Patented Aug. 27, 1946 2,406,519 - UNITED _ STATES PATENT ‘OFFICE " ‘ ' ' I " ' I; ‘2,406,519’ ‘ " KNLFEYSHARPENER" _ 1 ' ‘ ’ nispueatitnoetober ‘Joseph-Urban, so, Dearth; 1944, SerialNd: scopes‘ zcie'ims. (c1; 5"i-;-2"14)- ‘ > This invention relates-‘to iailknife sharpener and has to do particularly with: a sharpener‘ which can: ‘be advantageously used: for homerpurposes. A general. obj e'ctr of ' the-invention i-‘sv to‘. provide a novel‘ and el?ci'entisharpenet coris'l‘;ructit'nfv which will properly sharpen: a knife‘: blade: and. which can be used. not’- only with safety" but can; be operated by those unskilled’: ‘theartoff sharp‘; eningl and putting an edge upon a blade. An may be replaced or one having different cutting characteristics substituted therefor. Means arer-providedwfor- applying pressure" to thev blade of. a. knife and this? takes the‘ vform or a suitable rod or post.’ IIGrs-lidably mountedi in the hole 5- and. advantageously provided with; a1 suit able capo'r head‘. piece H. @n: the opposite end of‘therod; andlyin'giinvthelslot 6 is a blade em gaging. piece; 187 suitably attached to the rod. abrading element is employed and the device may 10 The pressure piece [8 may advantageously be be supplied with a number of abrading elements mounted on the rod I6 in an eccentric manner with different cutting characteristics ranging so that its four edges 20, 2|, 22 and 23 are lo from a relatively coarse ?le to a ?ner cutting cated at different distances from the center of stone. the post. , The accompanying drawing illustrates a sharp 15 In the operation of the device a knife blade, ener constructed in accordance with the inven which may be termed the work piece, as shown tion. In the drawing: at W, is passed into the slot with its cutting edge Fig. 1 is a top plan view of the device. positioned toward the abrading element. It will Fig. 2 is a sectional view taken substantially be noted that the slot 6 is materially wider than on line 2-—2 of Fig. 1. 20 the thickness of the blade. The blade is moved Fig. 3 is a sectional view taken substantially into position under the pressure member I8. As on line 3—-3 of Fig. 2. a result, one side of the cutting edge of the The sharpener takes the form of a body mem blade is engaged by the abrading element and ber l which may have a gripping or handle part the other side of the blade is engaged by the 2 which can be easily held by one hand and a 25 pressure piece l8. In this position the knife wider base portion 3. The wider base portion blade is reciprocated back and forth in a direc provides suitable size and strength for the hold tion paralleling the cutting edge and thus the ing of the abrading element and provides a base cutting edge is sharpened by the abrading action. area so that the device may be stored in an up Suitable pressure may be applied by a thumb or right position. , _ ?nger to the top of the post l1. This will be The body is formed with a hole or passage 5 regulated as desired. After one edge of the knife therein and a slot 6 which intersects the pas has been subjected to the sharpening action the sage. For convenience of manufacture the hole blade may be reversed so that the opposite edge 5 may pass entirely through the body with its is placed next to the abrading element. The lower end illustrated at 1. Oi Oi eccentric disposition of the pressure piece I 8 The body is provided with a sort of chamber makes it feasible to apply the knife edge with or cavity at the bottom of the slot 6 which is pressure at various locations on the cutting ele de?ned by an inclined bottom wall H), the in ment. The edge 20 may apply the pressure clination of which is downwardly in a direction nearest the lower edge of the abrading element toward the opening of the slot 6. The back wall 40 while the edge 23 will extend well back toward II and the front wall I2 of the cavity are in the bottom of the slot 6 to apply pressure at the clined preferably so that they are at right angles corresponding part of the abrading element. to the inclined bottom ID. This cavity is for the This increases the life of the abrading element reception of an abrading element I5 which can as different portions ofv its surface can be used. be slipped into and out of position through the 45 The edges of the portion 2| and 22 may apply open sides of the cavity. The disposition of the pressure to the intermediate portions of the ele bottom wall I!) at an angle and the cooperating ment. angle on the walls I I and I2 provide an arrange ment for the reception of an abrading element thereof may rest upon the surface 25 of the slot As the blade is reciprocated the body 6, while the edge engages the angularly posi conventionally made of rectangular cross section. 50 tioned stone. The angle of the abrading element Accordingly, the abrading element ?ts snugly in is preferably such as to provide an ef?cient the cavity. sharpening and edging of the cutting edge of the If desired, the abrading element may be per knife. ‘ manently located or it may be arranged so that Iclaim: it can be removed so that the abrading element 55 1. A'knife sharpener comprising, an elongated 2,406,519 ‘I; ' 4 gripped, said end vpart having a slot extending partiallytherethrough transverse to the length of ‘ fbody of handle-like form adapted to be gripped 1 in the hand of the user, and having an extending the body, said slot having a chamber in its inner lend part beyond the portion adapted to, be so Igripped, said end part having a slot extending ipartially therethrough transverse to the length }of the body, said slot having a chamber in its ‘innermost portion extending through .the body most portion extending through the body'with' the chamber having an inclined bottom wall, an abrading stone in the chamber and adapted to be pushed into position through the open end of the chamber, said abrading stone having its lower v :with the chamber having an inclinedAbottom surfacewseatingupon the inclinedbottom and. ‘ iwall, an nabrading’djstone inythe ,chamberand shaving-‘its upperisurface ‘extending angularly in ; adapted" to be" pushed; into position throfughthe" iopen end of the‘ chamber, said lab-radin‘g stone ihaving its lower surface seating upon the p . the‘ direction‘transvers'e "of the slot, ‘whereby the w ' edge of a knife blade passed into the slot angu engages the surface of the abrading stone, Iclined bottom and having its upper surface ex?" 'i1ar1y tending angularly in the direction transverse of .7. said-body having an opening extending length 1 the slot-whereby the edge of a knife blade. passed 7 1 into the slot angularly engages the surface of the wise through the handle part and opening into - the'slot; a‘rod member positioned and freely slid abrading stone, said body having an'opening ex-jr -_ _ jyable ingtheopening, a pressure piece connected tending lengthwise through the handlevpart and ‘ 1opening into the slot; a rod member positioned» ; and freely slidable in the opening, and a pressure piece connected to the. rod and located in‘ the islot, the exposed end of vtheirod adapted to be pressed to urge the; pressure member against the 1 side of the knife blade to‘ in turn apply'the knife 25 I bladeto the cutting stone with pressure. - L2..1A knife sharepener comprising;- an elongated j bodyof handle-like form'adapted to be gripped ‘ inthe hand of the user, and having an extending 1 end part-beyondgthe portion adapted to be so to the rod and located in the slot, the exposed end ‘of the rod adapted to be pressed‘ to urge the pressure member against the side of the knife blade to; in turn‘ apply the knife blade to the cut-s .ting vstone with‘, pressure, said . pressure member being-eccentrically. connected to the rod where- I by therodmayibecturned inthe opening so that 'it maybe applied to the side of the knife blade with the cutting, edge of the knife blade engag ing theabrading stone at different locations across the width thereof.‘ a j _ , JOSEPH URBAN.