EP0214943B1 - Montage d'affûtage pour couteaux - Google Patents

Montage d'affûtage pour couteaux Download PDF

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Publication number
EP0214943B1
EP0214943B1 EP86850280A EP86850280A EP0214943B1 EP 0214943 B1 EP0214943 B1 EP 0214943B1 EP 86850280 A EP86850280 A EP 86850280A EP 86850280 A EP86850280 A EP 86850280A EP 0214943 B1 EP0214943 B1 EP 0214943B1
Authority
EP
European Patent Office
Prior art keywords
grinding
handle
knife
attachment
plates
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.)
Expired
Application number
EP86850280A
Other languages
German (de)
English (en)
Other versions
EP0214943A2 (fr
EP0214943A3 (en
Inventor
Torgny Jansson
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 AT86850280T priority Critical patent/ATE77781T1/de
Publication of EP0214943A2 publication Critical patent/EP0214943A2/fr
Publication of EP0214943A3 publication Critical patent/EP0214943A3/en
Application granted granted Critical
Publication of EP0214943B1 publication Critical patent/EP0214943B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/54—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of hand or table knives

Definitions

  • This invention relates to a grinding apparatus for knives in accordance with the preamble of claim 1. It is for instance intended for use with grinding machines provided with grind-stones and equipped with a fixed support of the type described in Swedish application 8306325-5.
  • the knives are different not only in respect of length and width but also in form which can be quite straight to more or less bent. Further more, the thickness of the knives varies and they have different cross-sectional forms. Last but not least important is that the knives have different edge angles due to different uses.
  • a grinding apparatus in the form of a flat support body, which is guided along a support extending parallel to the axis of the grinding disc and to which a knife to be grinded is to be clamped.
  • the flat, elongated body and then the knife can only be rotated around the axis of the support and not in any other direction. This means that the knife has to be clamped in an exact position in relation to the grinding surface of the disc. Further, once clamped to the body it is not possible to easily adjust the distance of the knife edge to the support, which adjustment is necessary to be able to get the right angle of the knife edge when grinding.
  • Fig. 1 shows a grinding apparatus according to the invention in section and in a position for grinding a knife
  • Fig. 2 is a lateral view of the grinding apparatus in section
  • Fig. 3 shows the grinding apparatus turned 90° relative to Fig. 2
  • Fig. 4 shows a section of the grinding apparatus as seen in a direction transversely to the length of the knife-blade.
  • Fig. 1 1 designates the grinding stone.
  • 2 designates a support in the form of a clamp fixedly secured to the grinding machine and having an arm 3 extending in parallel with the axle of the grindstone.
  • the grinding machine with support and arm is known per se and is not part of the invention, and therefore this will not be described more closely but it is referred in this connection to said Swedish application 8306325-5.
  • the grinding apparatus consists of a first clamping plate 4 and a second clamping plate 5 as well as a shaft 6 circular in section and fixedly secured to the first clamping plate.
  • This shaft is threaded along part of the end 7 turned away from the first clamping plate 4.
  • This extends in a bore 8 made in a handle 9 which in turn is provided with a radially extending stop 10, in this case in the form of a collar.
  • the bore 8 can either be completely threaded or have a threaded inset 11 fixed to the handle 9, as shown on the drawing.
  • FIG. 3 an example of the embodiment of the clamping plate 5 as seen in a top plan view is shown, and it is to be understood that the clamping plate 4 has the corresponding form except for the means of attachment 12 of the shaft 6.
  • the clamping plates 4 and 5 are mounted to each other by means of a screw 13, which in the example shown extends through the clamping plate 5 and is screwed into the threads of a busing 14 attached to the clamping plate 4.
  • the head of the screw 13 has a partly spherical inside which rests in a corresponding partly spherical seat of the clamping plate 5.
  • the distance between the plates 4 and 5 can be optionally adjusted by the aid of the screw 13 in dependence on the thickness of the knife 15 to be ground. Thanks to the partly spherical form of the inside of the screw head and its cooperating seat of the clamping plate 5 the plates can place themselves obliquely relative to each other and consequently adapt themselves to various forms of knives.
  • the clamping plate is further provided with a threaded hole 16, in the example shown made in a bushing 17 attached to the clamping plate.
  • a screw 19 provided with a wheel 18 engages the threads in the threaded hole 16 and bears with its free end on the clamping plate 4.
  • the threaded hole 16 is arranged on the other side of the screw 13 and, more specifically at a distance from this being greater than the distance between the edge portions and the screw 13.
  • a pair of guide pins 20 - see Fig. 4 - are attached to the plate 5.
  • the pins 20 extend freely movably through the corresponding openings in the plate 4.
  • a helical compression spring 21 is arranged around the respecitve pin 20 and between the plates 4 and 5. The springs 21 tend automatically to separate the plates 4 and 5 from each other which makes it easier to adapt the knife between the edge portions of the plates.
  • the apparatus By adjusting the screw 23 the apparatus can be adapted to the thickness of the current knife and the knife is clamped in the apparatus when the locking screw 19 is tightened.
  • the clamping plates 4 and 5 will thus adapt themselves automatically to the form of the relative knife independently whether this is conical in cross-section or in longitudinal direction.
  • the knife is locked in the apparatus and both sides of the knife edge can be ground by simply turning the jig 180°.
  • a low built-in type of adjusting screw 13 and locking screw 18 allows grinding of small edge angles (cf. Fig. 1).
  • clamping plates 4 and 5 it is possible also to grind thin knives, so-called fillet knives, which are easily bent at grinding by hand.
  • the thin knife is stiffened up effectively by means of the invention and can be ground with precision.
  • the grinding apparatus can be varied in several ways within the scope of the invention and the placement of the locking screw 19 can of course be varied.
  • the threads of the shaft 6 can instead also be disposed in the means of attachment of the first clamping plate 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Materials For Medical Uses (AREA)
  • Surgical Instruments (AREA)

Claims (7)

  1. Dispositif d'affûtage pour affûter les tranchants d'un couteau (15), le dispositif comprenant un disque d'affûtage (1) pouvant être entraîné de manière rotative autour de son axe, un support (3) fixé de manière fixe s'étendant parallèlement à l'axe du disque d'affûtage, un moyen d'attachement (4, 5) pour serrer le couteau et destiné à être déplacé le long du support, caractérisé par un arbre (6) qui est monté par l'une de ses extrémités au moyen d'attachement et qui à son autre extrémité porte une poignée (9), une extrémité de l'arbre venant en prise par vissage soit avec le moyen d'attachement ou la poignée, respectivement, l'autre extrémité étant reliée de manière fixe à la poignée ou au moyen d'attachement, respectivement, de façon que le moyen d'attachement et la poignée puissent être déplacés vers et éloignés l'un de l'autre en tournant la poignée, caractérisé en outre en ce que la poignée possède une butée s'étendant radialement (10) qui entoure l'arbre et qui, pendant l'affûtage, bute contre le support.
  2. Dispositif d'affûtage selon la revendication 1, caractérisé en ce que le moyen d'attachement est constitué d'une première plaque de serrage (4) reliée à l'arbre (6) et une deuxième plaque de serrage (5), la portion arrière du couteau (15) à affûter étant destinée à être serrée entre des portions de bord des plaques de serrage (4,5), et que les plaques de serrage (4, 5) sont reliées l'une à l'autre au moyen d'une vis (13) susceptible de régler la distance mutuelle entre les plaques.
  3. Dispositif d'affûtage selon la revendication 2, caractérisé en ce qu'une vis de blocage (19) est arrangée de façon qu'elle puisse être vissée dans un trou taraudé (16) s'étendant à travers les plaques (5) et située sur le côté opposé de la vis de réglage (13) par rapport au couteau (15) à affûter, et que la vis de blocage (19) vient en prise dans l'autre plaque (4) par son extrémité.
  4. Dispositif d'affûtage selon la revendication 2 ou 3, caractérisé en ce que la vis de réglage (13) est pourvue d'une tête dont la face inférieure possède une forme partiellement sphérique et coopère avec un siège partiellement sphérique d'une plaque (5).
  5. Dispositif d'affûtage selon l'une des revendications 2 à 4, caractérisé en ce que la distance entre la vis de verrouillage (19) et la vis de réglage (13) est plus grande qu'entre celle-ci (13) et les portions de bord.
  6. Dispositif d'affûtage selon l'une des revendications 2 à 5, caractérisé en ce qu'une des plaques 5 possède au moins une broche de guidage fixe (20) coopérant avec une ouverture disposée dans l'autre plaque (4) et qu'un ressort de compression (21) est disposé entre les plaques (4, 5) en connexion avec la broche de guidage (20).
  7. Dispositif d'affûtage selon l'une des revendications 2 à 6, caractérisé en ce que l'arbre (6) est fixé de manière fixe dans la première plaque (4) et possède des filets à sa portion externe qui vient en prise dans des filets d'un alésage (8) pratiqué dans la poignée.
EP86850280A 1985-09-02 1986-08-27 Montage d'affûtage pour couteaux Expired EP0214943B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86850280T ATE77781T1 (de) 1985-09-02 1986-08-27 Einspannvorrichtung zum schleifen von messern.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8504072A SE450696B (sv) 1985-09-02 1985-09-02 Slipfixtur for knivar
SE8504072 1985-09-02

Publications (3)

Publication Number Publication Date
EP0214943A2 EP0214943A2 (fr) 1987-03-18
EP0214943A3 EP0214943A3 (en) 1989-08-30
EP0214943B1 true EP0214943B1 (fr) 1992-07-01

Family

ID=20361267

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86850280A Expired EP0214943B1 (fr) 1985-09-02 1986-08-27 Montage d'affûtage pour couteaux

Country Status (4)

Country Link
EP (1) EP0214943B1 (fr)
AT (1) ATE77781T1 (fr)
DE (1) DE3685864T2 (fr)
SE (1) SE450696B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023135118A1 (fr) 2022-01-14 2023-07-20 Tormek Ab Gabarit de broyage de précision et système de broyage
WO2023169834A1 (fr) 2022-03-07 2023-09-14 Tormek Ab Dispositif de réglage d'angle de meulage, système de meulage et procédé de réglage d'un angle de meulage

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2278560A (en) * 1993-06-01 1994-12-07 Richard Peter Scott Grinding jig
NO301528B1 (no) * 1996-03-15 1997-11-10 Helge Lien Slipeapparat for kniver
KR101281531B1 (ko) * 2012-02-14 2013-07-03 원텍 주식회사 의료용 레이저 전달장치
SE537247C2 (sv) * 2012-05-03 2015-03-17 Tormek Ab Knivjiggaggregat
JP6246873B1 (ja) * 2016-08-03 2017-12-13 森　正明 包丁研磨システム
SE543585C2 (en) 2019-04-05 2021-04-06 Tormek Ab An arrangement for grinding edged tools
SE543256C2 (en) * 2019-04-05 2020-11-03 Tormek Ab A grinding jig for a blade tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2154999A (en) * 1936-05-21 1939-04-18 American Type Founders Inc Composing room saw
US2637145A (en) * 1949-11-12 1953-05-05 Ralph L Burke Machine for forming arcuate contours
FR1182060A (fr) * 1957-09-06 1959-06-22 Dispositif pour l'affûtage d'outils tranchants et lames d'outil, notamment pour le travail du bois
US3885352A (en) * 1974-07-19 1975-05-27 John R Juranitch Sharpening machine
US4338749A (en) * 1980-07-21 1982-07-13 Kiser Robert E Toolholder
SE453166B (sv) * 1986-05-13 1988-01-18 Tormek Ab Slipfixtur for slipning av saxar

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023135118A1 (fr) 2022-01-14 2023-07-20 Tormek Ab Gabarit de broyage de précision et système de broyage
WO2023169834A1 (fr) 2022-03-07 2023-09-14 Tormek Ab Dispositif de réglage d'angle de meulage, système de meulage et procédé de réglage d'un angle de meulage

Also Published As

Publication number Publication date
DE3685864T2 (de) 1993-02-25
DE3685864D1 (de) 1992-08-06
EP0214943A2 (fr) 1987-03-18
SE8504072D0 (sv) 1985-09-02
SE8504072L (sv) 1987-03-03
SE450696B (sv) 1987-07-20
ATE77781T1 (de) 1992-07-15
EP0214943A3 (en) 1989-08-30

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