EP0099382A1 - Aiguiseur de couteaux roulant. - Google Patents

Aiguiseur de couteaux roulant.

Info

Publication number
EP0099382A1
EP0099382A1 EP83900422A EP83900422A EP0099382A1 EP 0099382 A1 EP0099382 A1 EP 0099382A1 EP 83900422 A EP83900422 A EP 83900422A EP 83900422 A EP83900422 A EP 83900422A EP 0099382 A1 EP0099382 A1 EP 0099382A1
Authority
EP
European Patent Office
Prior art keywords
knife
knife sharpener
grinding
sharpener according
sprockets
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP83900422A
Other languages
German (de)
English (en)
Other versions
EP0099382B1 (fr
Inventor
Udo Rieser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT83900422T priority Critical patent/ATE19983T1/de
Publication of EP0099382A1 publication Critical patent/EP0099382A1/fr
Application granted granted Critical
Publication of EP0099382B1 publication Critical patent/EP0099382B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
    • B24D15/06—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges
    • B24D15/08—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors
    • B24D15/081—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors with sharpening elements in interengaging or in mutual contact

Definitions

  • the invention relates to a knife sharpener that can be rolled on a base according to the preamble of claim 1.
  • knife sharpeners have become known through the BE-PS 556718 and the DE-GM 1867 319 already arranged in pairs, resiliently pressed grinding wheels with intermeshing toothed rings, which form a V-shaped gap between them with mutually inclined peripheries. Through this the knife blade to be sharpened pulled while the grinding wheels are driven separately from it. A single work step is sufficient for sharpening, but the grind obtained with the grinding direction running parallel to the cutting edge is again only slightly durable.
  • the invention has for its object to provide a simple and easy to use knife sharpener, which results in a more durable cut. This object is achieved by the combination of features specified in claim 1.
  • the intermeshing toothed rings known per se are used in a new way, which does not allow any tangential relative movement to occur between the knife blade and the toothed ring.
  • the slight radial displacements which the cutting edge experiences during the continuous penetration between the mutually elastically pressed / pressed sprockets during the rolling process are sufficient to give it a sufficient grinding in the course of fewer reciprocating movements it is also more stable than the conventional cuts mentioned.
  • the latter is due to the fact that the grinding marks run perpendicular to the cutting edge, as is the case with factory grinding.
  • the subclaims indicate preferred design options for the invention. It has proven particularly expedient to produce the two ring gears separately from the roller rollers, which are generally made of plastic, from a ceramic abrasive material, for example based on aluminum oxide or from metal, which is coated with a suitable abrasive material. A corresponding preferred embodiment of the invention is described below with reference to the drawing. Of which shows
  • Fig. 2 in the upper half a side view and in the lower half a central longitudinal section through the knife sharpener in question.
  • the knife sharpener shown has two essentially the same, made of plastic rollers 2 and 4, which differ only in that the roller 2 has a threaded hole 6 in its center, the roller 4, however, has a somewhat further cylinder bore 8.
  • a screw bolt 16, locked by a lock nut 14, is screwed into the threaded bore 6, on which the roller 4 is axially displaceable and easily tiltable by means of its cylinder bore 8.
  • the screw bolt 16 has a flat head 18 on the underside, which can be accommodated in the annular extension 12.
  • the blind hole 10 of the roller 4 receives a helical spring 20 which tries to press the roller 4 against the roller 2.
  • the rollers 2 and 4 each have a flat groove 22, into which a rectangularly profiled rubber tire 24 is inserted as a friction lining.
  • the blind bore 10 of the roller 2 is closed by an elastic plug cap 26.
  • the two rollers 2 and 4 are arranged in mirror symmetry. While they are excluded on the outside for the purpose of saving material and weight, they have a continuous wall 28 at the height of the bore 6 or 8.
  • a flat, rectangularly profiled ring groove 30 is provided in the vicinity of its circumference, which has a separate ring gear 32 records.
  • the two mutually identical sprockets 32 are glued to the respective roller and each have about 25 teeth on their sides facing each other, with which they can interlock.
  • the periphery of the sprockets is conical, so that there is a V-shaped gap 36 between the two sprockets.
  • the two ring gears 32 either consist entirely of a ceramic abrasive material based on aluminum oxide and / or silicon carbide, or else of metal, which has a permanent, at least on the conical periphery and the opposing end faces 38.
  • Abrasive material coating is provided. Such consists for example of about 20% tungsten carbide, 40% silicon carbide and 40% of a ceramic binder, to which a hard chrome coating is applied. The tips and edges of the carbide crystals appear through the hard chrome coating in order to exert an excellent grinding effect, but the coating mentioned is very durable and relatively inexpensive to manufacture.
  • the knife sharpener described so far is placed upright on a flat surface, such as a table top, whereupon the knife blade to be sharpened is inserted from above through the V-shaped gap 36 between the two ring gears 32.
  • the two sprockets together with the subsequent rollers 2 and 4 are pushed apart a little in the area concerned, at most until the head 18 of the screw bolt 16 comes to rest on the base of the annular extension 12 (the screw bolt is adjusted accordingly).
  • the knife blade receives secure guidance. If the knife blade is now guided parallel to the base over it, the knife sharpener rolls on the base, the end faces 38 of the toothed rings 32 moving along the flanks of the knife blade. In this way, a sharper sharpening can be obtained quickly and reliably than, for example, by means of the knife sharpener mentioned at the beginning. But the knife sharpener described is just as light and handy and does not require a fixed attachment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

Aiguiseur de couteaux roulant posé sur un support et comportant deux rouleaux (2, 4) à ressorts en appui l'un contre l'autre de dimensions identiques et ayant essentiellement le même axe. Sur leurs côtés adjacents, les rouleaux comportent des couronnes coniques dentées (32) qui s'engrènent et qui, au moins sur les surfaces adjacentes des dents (38), se composent d'un matériau abrasif durable. La lame du couteau à aiguiser est introduite entre les deux courronnes dentées, celles-ci étant séparées par un écart approprié. L'effet d'aiguisage est obtenu grâce au mouvement relatif des surfaces des dents des couronnes dentées par rapport à la lame du couteau tirée ou poussée entre elles, alors que l'aiguiseur roule sur son appui.
EP83900422A 1982-01-28 1983-01-27 Aiguiseur de couteaux roulant Expired EP0099382B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83900422T ATE19983T1 (de) 1982-01-28 1983-01-27 Abwaelzbarer messerschaerfer.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823202742 DE3202742A1 (de) 1982-01-28 1982-01-28 Messerschaerfer
DE3202742 1982-01-28

Publications (2)

Publication Number Publication Date
EP0099382A1 true EP0099382A1 (fr) 1984-02-01
EP0099382B1 EP0099382B1 (fr) 1986-05-28

Family

ID=6154138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83900422A Expired EP0099382B1 (fr) 1982-01-28 1983-01-27 Aiguiseur de couteaux roulant

Country Status (4)

Country Link
US (1) US4672778A (fr)
EP (1) EP0099382B1 (fr)
DE (2) DE3202742A1 (fr)
WO (1) WO1983002581A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553329A1 (fr) * 1983-10-18 1985-04-19 Lafarge Refractaires Appareil de decoupe et appareil d'aiguisage ayant leurs parties tranchantes en ceramique
DE4341872C2 (de) * 1993-12-08 1996-09-19 Udo Rieser Manueller Messerschärfer
US5779528A (en) * 1996-07-12 1998-07-14 Norton Company Elastomeric mount for grinding wheel, and grinder
DE19700599C1 (de) * 1997-01-10 1998-04-16 Gerd Wehrmann Messerschärfer
SE513071C2 (sv) * 1997-08-18 2000-07-03 Tore Eklund Slipanordning med böjliga sliparmar för slipning av eggverktyg
US20010049255A1 (en) * 1999-12-30 2001-12-06 Todd Jones Knife-edge sharpening apparatus
CA2686678C (fr) * 2002-01-17 2013-05-28 Iggesund Tools Ab Procede d'affutage simultane d'aretes tranchantes opposees
IL148599A0 (en) * 2002-03-10 2002-09-12 Gotit Ltd Sharpening apparatus
SE0202887L (sv) * 2002-10-01 2004-02-24 Tore Eklund Verktyg för stålning av knivseggar
US7198558B2 (en) * 2005-03-18 2007-04-03 Hantover, Inc. Knife blade dressing apparatus
NL1030238C2 (nl) * 2005-10-21 2007-04-24 Abdelaziz Aznou Verrijdbare slijpinrichting.
US20090081931A1 (en) * 2007-09-21 2009-03-26 Hantover, Inc. Blade dressing tool
SE533559C2 (sv) * 2009-03-05 2010-10-26 Tore Eklund Sliphjul
EP2461940B1 (fr) * 2009-08-07 2014-09-10 Edgecraft Corporation Nouveaux affûteurs pour créer des tranchants à entailles transversales
EP2712707B1 (fr) 2012-09-28 2019-07-03 High Tech Ceramic eK Aiguiseur de couteau

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US466293A (en) * 1891-12-29 John a
GB597311A (en) * 1944-10-24 1948-01-22 Electrolux Ab Improvements in devices for grinding cutlery
US2420814A (en) * 1946-04-04 1947-05-20 Earl W Clark Knife sharpening apparatus
US2469797A (en) * 1947-05-02 1949-05-10 Alden Speare S Sons Co Knife sharpener
US2646653A (en) * 1948-12-31 1953-07-28 Bessie F Murchison Grinder with meshing teeth for knives, etc.
US2900768A (en) * 1958-09-22 1959-08-25 Scott & Fetzer Co Annular knife sharpener
US3032938A (en) * 1960-05-27 1962-05-08 Gadget Of The Mouth Club Inc Knife sharpener
CH502162A (de) * 1969-12-23 1971-01-31 Fleischmann Ernest Messerschleifmaschine
US4102085A (en) * 1976-09-02 1978-07-25 Kaman Sciences Corporation Abrasive coated sharpening tool and method of making it

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8302581A1 *

Also Published As

Publication number Publication date
DE3202742A1 (de) 1983-08-04
US4672778A (en) 1987-06-16
DE3363626D1 (en) 1986-07-03
WO1983002581A1 (fr) 1983-08-04
EP0099382B1 (fr) 1986-05-28

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