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EP0214943A2 - Einspannvorrichtung zum Schleifen von Messern - Google Patents

Einspannvorrichtung zum Schleifen von Messern Download PDF

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Publication number
EP0214943A2
EP0214943A2 EP86850280A EP86850280A EP0214943A2 EP 0214943 A2 EP0214943 A2 EP 0214943A2 EP 86850280 A EP86850280 A EP 86850280A EP 86850280 A EP86850280 A EP 86850280A EP 0214943 A2 EP0214943 A2 EP 0214943A2
Authority
EP
European Patent Office
Prior art keywords
grinding
knife
plates
screw
plate
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
EP86850280A
Other languages
English (en)
French (fr)
Other versions
EP0214943B1 (de
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/de
Publication of EP0214943A3 publication Critical patent/EP0214943A3/en
Application granted granted Critical
Publication of EP0214943B1 publication Critical patent/EP0214943B1/de
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 jig for knives in accordance with the preamble for claim 1. It is for instance intended for use with grinding machines provided with grindstones 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.
  • said Swedish application teaches a grinding jig or universal carrier for knives which partly make the grinding work with knives easier.
  • the known carrier with the great number of varying forms of knives touched upon above.
  • the present invention it is however possible to adjust and move the knife edge across the grindstone by means of a carrier or grinding jig so that the best possible results are obtained, indepen­dently of the form of the knife and the knife edge.
  • the grinding jig of the invention also allows an unex­perienced person to grind all types of knives easily and quickly.
  • Fig. 1 shows a grinding jig according to the invention in section and in a position for grinding a knife
  • Fig. 2 is a lateral view of the grinding jig in section
  • fig. 3 shows the grinding jig turned 90° relative to Fig. 2
  • fig. 4 shows a section of the grinding jig as seen in a direction transversely to the length of the knife-blade.
  • Fig. 1 1 designates the grindig 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 jig 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.
  • 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 plane 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 respective 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 jig By adjusting the screw 13 the jig can be adapted to the thickness of the current knife and the knife is clamped in the jig 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 longitunidal direction.
  • the knife is locked in the jig 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 jig 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)
EP86850280A 1985-09-02 1986-08-27 Einspannvorrichtung zum Schleifen von Messern Expired EP0214943B1 (de)

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
SE8504072 1985-09-02
SE8504072A SE450696B (sv) 1985-09-02 1985-09-02 Slipfixtur for knivar

Publications (3)

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

Family

ID=20361267

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86850280A Expired EP0214943B1 (de) 1985-09-02 1986-08-27 Einspannvorrichtung zum Schleifen von Messern

Country Status (4)

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

Cited By (8)

* 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
WO1997033717A1 (en) * 1996-03-15 1997-09-18 Helge Lien Grinding jig for knives
KR101281531B1 (ko) * 2012-02-14 2013-07-03 원텍 주식회사 의료용 레이저 전달장치
EP2660005A3 (de) * 2012-05-03 2014-11-26 Tormek AB Messereinspannungsanordnung
JP6246873B1 (ja) * 2016-08-03 2017-12-13 森　正明 包丁研磨システム
EP3722047A1 (de) * 2019-04-05 2020-10-14 Tormek AB Schleifvorrichtung für ein klingenwerkzeug
US11628536B2 (en) 2019-04-05 2023-04-18 Tormek Ab Arrangement for grinding edged tools
SE2250020A1 (en) * 2022-01-14 2023-07-15 Tormek Ab A precision grinding jig and a grinding system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE545039C2 (en) 2022-03-07 2023-03-07 Tormek Ab A grinding angle setting device, a grinding system and a method of setting a grinding angle

Citations (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
EP0249588A1 (de) * 1986-05-13 1987-12-16 Tormek AB Vorrichtung zum Schleifen von Scheren

Patent Citations (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
EP0249588A1 (de) * 1986-05-13 1987-12-16 Tormek AB Vorrichtung zum Schleifen von Scheren

Cited By (13)

* 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
WO1997033717A1 (en) * 1996-03-15 1997-09-18 Helge Lien Grinding jig for knives
KR101281531B1 (ko) * 2012-02-14 2013-07-03 원텍 주식회사 의료용 레이저 전달장치
EP2660005A3 (de) * 2012-05-03 2014-11-26 Tormek AB Messereinspannungsanordnung
US9186767B2 (en) 2012-05-03 2015-11-17 Tormek Ab Knife jig assembly
JP6246873B1 (ja) * 2016-08-03 2017-12-13 森　正明 包丁研磨システム
EP3722047A1 (de) * 2019-04-05 2020-10-14 Tormek AB Schleifvorrichtung für ein klingenwerkzeug
EP3915725A1 (de) * 2019-04-05 2021-12-01 Tormek AB Schleifvorrichtung für messer
US11517998B2 (en) 2019-04-05 2022-12-06 Tormek Ab Grinding jig for a blade tool
US11628536B2 (en) 2019-04-05 2023-04-18 Tormek Ab Arrangement for grinding edged tools
US11833639B2 (en) 2019-04-05 2023-12-05 Tormek Ab Arrangement for grinding edged tools
SE2250020A1 (en) * 2022-01-14 2023-07-15 Tormek Ab A precision grinding jig and a grinding system
SE545979C2 (en) * 2022-01-14 2024-04-02 Tormek Ab A precision grinding jig for holding a blade and a grinding system comprising the grinding jig

Also Published As

Publication number Publication date
EP0214943B1 (de) 1992-07-01
ATE77781T1 (de) 1992-07-15
DE3685864T2 (de) 1993-02-25
DE3685864D1 (de) 1992-08-06
SE8504072D0 (sv) 1985-09-02
SE8504072L (sv) 1987-03-03
EP0214943A3 (en) 1989-08-30
SE450696B (sv) 1987-07-20

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