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EP0201839A2 - Couteau à main - Google Patents

Couteau à main Download PDF

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Publication number
EP0201839A2
EP0201839A2 EP86106141A EP86106141A EP0201839A2 EP 0201839 A2 EP0201839 A2 EP 0201839A2 EP 86106141 A EP86106141 A EP 86106141A EP 86106141 A EP86106141 A EP 86106141A EP 0201839 A2 EP0201839 A2 EP 0201839A2
Authority
EP
European Patent Office
Prior art keywords
knife
protective cover
trough
shaft
holder
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
EP86106141A
Other languages
German (de)
English (en)
Other versions
EP0201839A3 (en
EP0201839B1 (fr
Inventor
Manfred Klotz
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 AT86106141T priority Critical patent/ATE44676T1/de
Publication of EP0201839A2 publication Critical patent/EP0201839A2/fr
Publication of EP0201839A3 publication Critical patent/EP0201839A3/de
Application granted granted Critical
Publication of EP0201839B1 publication Critical patent/EP0201839B1/fr
Expired legal-status Critical Current

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Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B25/00Hand cutting tools involving disc blades, e.g. motor-driven
    • B26B25/005Manually operated, e.g. pizza cutters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B29/00Guards or sheaths or guides for hand cutting tools; Arrangements for guiding hand cutting tools
    • B26B29/02Guards or sheaths for knives

Definitions

  • the invention relates to a hand cutting knife with a circular knife disc according to the preamble of the main claim for the rolling removal of certain cut shapes or for cutting continuous webs, such as wallpaper or the like.
  • Such hand cutting knives with a circular knife disc are general, but cannot be documented here, and are known and in use.
  • the knife protection cover is designed to be pivotable, as a result of which, after pivoting in the safety position, this protective cover covers the part of the knife disc which is not covered by the trough-shaped, knife-side end of the knife holder.
  • the knife disc is thus between the protective cover and the trough-shaped end of the knife holder, remains freely accessible on one side and can therefore lead to injuries, quite apart from the fact that you can injure yourself when you swivel the protective cover on the knife disc itself.
  • the invention is therefore based on the object to improve a hand cutting knife of the type mentioned in such a way that with simple and risk-free interchangeability of the knife disc it is arranged absolutely securely in the knife holder and should be free of danger for the cutting process.
  • the knife disc is embedded, so to speak, in a two-part trough, one part being formed by the trough-shaped end of the knife holder and, on the other hand, by the likewise trough-shaped and pivotable protective cover, which is provided with an adjustment handle, with which the pivoting of the protective cover is free of danger can be done.
  • the knife disc, the protective cover and the shaft are loosened together. and pluggable assigned to the knife holder, which means that these parts can be detached from one another transversely to the knife disk and can be put together again in the opposite direction, thereby also precluding any risk in these processes.
  • the pivotable, trough-shaped protective cover is preferably arranged on the same side with respect to the knife disc as the trough-shaped end of the knife holder, but this is not mandatory, since the trough-shaped knife protective cover is also on the other side of the knife could be arranged, which means that the knife disc is located between the two trough-shaped parts.
  • the above-mentioned arrangement of the two trough-shaped parts on one side of the knife disk is preferred because advantageous developments to be described are thereby easier to implement, which will be explained in more detail below.
  • the pivotable protective cover is namely advantageously mounted on a hub arranged concentrically to the shaft in the trough-shaped end of the knife holder, and the hub and the pivotable protective cover are provided with end stops through which the pivotable protective cover can be snapped exactly in the open and closed positions.
  • the shaft is designed in the form of a plug pin with a larger diameter head and the head-free end of the plug pin is fixed with an attachable locking disk with respect to the trough-shaped end of the protective cover of the holder.
  • the pivotable protective cover 1 is also trough-shaped and has a circumferential web 2 which is guided along a circumferential web 3 of the trough-shaped end 4 of the knife holder 5.
  • This trough-shaped design and assignment of the end 4 of the knife holder 5 and of the protective cover 1 is particularly clear from FIG. 2.
  • the protective cover 1, the knife disc 6 and the shaft 7 are detachably and pluggably assigned to the knife holder 5, specifically, as can also be seen in FIG. 2, by means of the shaft 7 designed as a plug pin 11. These elements all together form the knife head 5 '.
  • FIGS. 1 As can be seen from FIGS.
  • the protective cover 1 is provided with an adjusting handle 8 which is sufficiently far above the cutter disc 6 with respect to the overall arrangement, as can be seen in particular from FIG. 2. Since the cutting edge of the knife disc 6 is completely shielded from the circumferential webs 2, 3, the actuation of the adjusting handle 8 can be carried out without any risk.
  • the illustration in FIG. 1 corresponds to the position of the protective cover 1 ready for cutting, that is to say that its circumferential web 2 is located parallel to the circumferential web 3 of the trough-shaped end 4 of the knife holder 5.
  • the cut-side boundary edges of the two trough-shaped parts of the knife holder 5 are arranged as shown in dashed lines in order to ensure an unobstructed cutting of the knife.
  • the pivotable protective cover 1 is mounted on a hub 9 arranged in the trough-shaped end 4 of the knife holder 5 concentrically with the shaft 7, and the hub 9 and the pivotable protective cover 1 are provided with end stops 10 '.
  • a circularly curved elongated hole 10 "in the protective cover 1 leads to sufficient elasticity of the web 10111 which remains between the elongated hole 10" and the hub push-on opening 9 'and on which the end stops 10' are seated, which depending on the position and when the protective cover 1 is assigned to the trough of the knife holder 5 cooperate with a corresponding cam-shaped stop 10 on the hub 9.
  • These stops 10, 10 ' are arranged so that the latching of the cam-like stop 10 corresponds once to the closed position (FIG. 7) and once to the open position (FIG. 1).
  • the shaft 7 is designed in the form of a plug pin 11 with a larger diameter head 12, the head-free end 13 of the plug pin 11 being fixed with an attachable locking disk 14 with respect to the trough-shaped end 4 of the knife holder 5, as shown in FIG. 2 becomes clear. From this it can also be seen that only the locking disk 14, which of course has a corresponding sliding gap, only has to be pushed off by the plug pin 11 in order to be able to take the whole structure apart. The release of the locking disk 14 takes place completely safely from the knife disk 6 on the other side of the knife holder 5, so that after loosening the locking disk 14 only the plug pin 11 and the knife disk 6 are to be removed from the trough, replaced and replaced.
  • the shaft 7 and the plug pin 11 are non-rotatable in Knife holder 5 is arranged, for which the hub 9, as illustrated in FIG. 3, is provided with a straight surface 18 within the plug-through hole and the plug 11 itself is also provided with a corresponding surface 17. Since the shaft 7 or the plug pin 11 is thus fixed, the cutter disk 6 rotates on the shaft 7, which elements are therefore provided with a bush 15 rotatably fitted on the shaft 7, the bush 15 being provided with a flange collar 15 'and this is arranged adjacent to the head 12 of the plug pin 11, as is also clear from FIG. 2.
  • the knife holder 5 or the knife head 5 ' on which, as can be seen from FIGS. 1, 2 and 7, a small glass cutting knife 19, as shown, can also be arranged with a connection adapter 16, with which the entire cutter head 5 'can be interchangeably assigned to a suitable cutter handle 20.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
  • Surgical Instruments (AREA)
  • Liquid Crystal (AREA)
  • Eye Examination Apparatus (AREA)
  • Details Of Cutting Devices (AREA)
EP86106141A 1985-05-09 1986-05-05 Couteau à main Expired EP0201839B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86106141T ATE44676T1 (de) 1985-05-09 1986-05-05 Handschneidmesser.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3516726A DE3516726C1 (de) 1985-05-09 1985-05-09 Handschneidmesser
DE3516726 1985-05-09

Publications (3)

Publication Number Publication Date
EP0201839A2 true EP0201839A2 (fr) 1986-11-20
EP0201839A3 EP0201839A3 (en) 1987-05-27
EP0201839B1 EP0201839B1 (fr) 1989-07-19

Family

ID=6270280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86106141A Expired EP0201839B1 (fr) 1985-05-09 1986-05-05 Couteau à main

Country Status (3)

Country Link
EP (1) EP0201839B1 (fr)
AT (1) ATE44676T1 (fr)
DE (1) DE3516726C1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0598466A1 (fr) * 1992-11-16 1994-05-25 Fiskars Oy Ab Actionneur d'une lame rotative pour un outil de coupe à main
EP0854015A1 (fr) * 1996-12-20 1998-07-22 Fiskars Inc. Outil de coupe rotatif
WO2000007783A3 (fr) * 1998-08-07 2000-05-18 Youngkeun Cho Dispositif de coupe rotatif dote d'une cartouche de lame
USD904754S1 (en) 2018-11-30 2020-12-15 William Prym Gmbh & Co. Kg Pompon maker
USD931702S1 (en) 2019-07-29 2021-09-28 William Prym Gmbh & Co. Kg Ergonomic rotary cutter

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5542185A (en) * 1994-04-15 1996-08-06 Fiskars Inc. Device for describing arcs
DE202019104152U1 (de) 2019-07-29 2019-08-05 William Prym Gmbh & Co. Kg Rollschneider mit auswechselbarer Klinge

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE175993C (fr) *
CH258071A (de) * 1947-02-15 1948-11-15 Staub & Co Maschine zum Schneiden von Leder.
US3286349A (en) * 1964-06-12 1966-11-22 George G Larson Pastry cutting apparatus
GB1216332A (en) * 1967-02-02 1970-12-16 Wilkinson Sword Ltd Improvements in or relating to hand-operated cutting tools
US4020550A (en) * 1975-05-24 1977-05-03 Okada Kogyo Kabushiki Kaisha Cutting device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0598466A1 (fr) * 1992-11-16 1994-05-25 Fiskars Oy Ab Actionneur d'une lame rotative pour un outil de coupe à main
EP0854015A1 (fr) * 1996-12-20 1998-07-22 Fiskars Inc. Outil de coupe rotatif
WO2000007783A3 (fr) * 1998-08-07 2000-05-18 Youngkeun Cho Dispositif de coupe rotatif dote d'une cartouche de lame
USD904754S1 (en) 2018-11-30 2020-12-15 William Prym Gmbh & Co. Kg Pompon maker
USD931702S1 (en) 2019-07-29 2021-09-28 William Prym Gmbh & Co. Kg Ergonomic rotary cutter

Also Published As

Publication number Publication date
ATE44676T1 (de) 1989-08-15
EP0201839A3 (en) 1987-05-27
DE3516726C1 (de) 1986-08-28
EP0201839B1 (fr) 1989-07-19

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