EP3345515A2 - Unité de stockage de couteaux - Google Patents

Unité de stockage de couteaux Download PDF

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Publication number
EP3345515A2
EP3345515A2 EP17208788.4A EP17208788A EP3345515A2 EP 3345515 A2 EP3345515 A2 EP 3345515A2 EP 17208788 A EP17208788 A EP 17208788A EP 3345515 A2 EP3345515 A2 EP 3345515A2
Authority
EP
European Patent Office
Prior art keywords
knife
grinding
storage unit
transport
magazine
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
EP17208788.4A
Other languages
German (de)
English (en)
Other versions
EP3345515B1 (fr
EP3345515A3 (fr
Inventor
Jürgen Dangel
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
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP3345515A2 publication Critical patent/EP3345515A2/fr
Publication of EP3345515A3 publication Critical patent/EP3345515A3/fr
Application granted granted Critical
Publication of EP3345515B1 publication Critical patent/EP3345515B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G21/00—Table-ware
    • A47G21/14—Knife racks or stands; Holders for table utensils attachable to plates
    • 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
    • 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
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/10—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving electrical means
    • 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
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means

Definitions

  • the invention relates to a knife storage unit with a knife magazine for storing a knife according to the preamble of claim 1.
  • the knife sheath which is fastened to a belt of the user, has a sharpening or grinding device (see, eg DE 32 46 100 40 C2 . US 27 67 530 ).
  • the blade is ground when inserting and removing the knife from the sheath.
  • the knife block has several knife sheaths or openings of the knife magazines, so that hereby several kitchen knives can be stored.
  • a special knife sheath is equipped with a grinding device.
  • US 4,866,845 discloses a knife block with mechanical grinder, wherein by inserting the knife into the knife block or the knife magazine by wedge-shaped grinding elements, the knife is ground not only when inserting, but also when pulling out, so that after use or for the next use, the knife or the blade of the knife something is sanded.
  • a disadvantage of such blade sheaths or knife magazines with grinding / sharpening devices is that the quality of the sharpening or grinding and thus the quality of the knife for subsequent use u.a. due to wear of the grinding elements, etc. worse than with a manual grinding, for example by means of a so-called sharpening steel or grindstone.
  • the object of the invention is in contrast to propose a knife storage unit, with the high quality of the ground blade or the sharpness of the knife is realized without great effort and / or without great skill of the user.
  • a knife storage unit is characterized in that at least one knife sensor is provided for detecting the knife introduced at least partially through the magazine opening into the knife magazine.
  • the knife sensor is designed as an electrical and / or electronic knife sensor.
  • the knife sensor according to the invention triggers a (subsequent) grinding process or generates an (electrical) signal for an electrical and / or electronic grinding device of the knife storage unit.
  • a grinding phase in particular automatically started.
  • an electrical and / or electronic control unit for controlling the grinding process or the knife storage unit and / or grinding device is provided.
  • each knife stored in the knife storing unit according to the invention undergoes a grinding process on / after insertion, or grinding of the knife is carried out by means of the grinding device. Consequently, each knife is always advantageously ground by the user the next time it is used, without, for example, requiring manual and / or separate grinding by the user.
  • the knife sensor is designed, for example, as a Hall sensor, light barrier, capacitive proximity switch, inductive proximity switch, electromagnetic coil element, piezoelectric element, electrical switch with probe element or mechanical switch element and / or as infrared sensor or the like.
  • Such a knife sensor advantageously generates a sensor signal which, for example, is transmitted to an electrical control unit and as a result the electric grinding apparatus is started or put into operation.
  • the grinding device comprises at least one (electric) drive unit for adjusting the grinding element.
  • the grinding device may comprise an electric motor which rotatably drives the grinding element about a rotation axis.
  • an advantageous grinding of the blade of the knife or the cutting edge of the knife is achieved by rotary grinding movement.
  • a stationary, but rotatable grinding element is provided.
  • the grinding element can rotate / rotate on the one hand about a rotation axis, but on the other hand, the rotation axis or the Storage / positioning of the grinding element is not adjustable, ie is arranged stationary.
  • the magazine opening grinding element for example, immediately upon insertion / removal of the knife in the knife magazine or when passing the knife through the knife opening by (relatively fast) rotational rotational movement of the grinding element, the knife or the Blade be ground.
  • the grinding device comprises at least one transport unit for adjusting the grinding element or the axis of rotation / mounting of the grinding element along a transport path. This ensures that the grinding is realized above all after the insertion process, so that in the knife magazine (usually very long time) stored knife is ground. Thus, a comparatively long-lasting grinding with a particularly high grinding quality can be realized.
  • the knife edge does not necessarily have to be ground during the relatively short insertion process of the knife into the knife magazine, but that, if necessary, the stored knife or the knife edge is ground with the aid of the grinding device only when inserting, but essentially only after the insertion process. In this case, the grinding element or the grinding device is then adjusted / transported along the transport path or along the knife or the knife blade.
  • the grinding process is formed significantly longer than the extremely short insertion process.
  • the grinding element adjusted or transported several times back and forth to an advantageous sharpening or a particularly high quality of the ground To reach Messers.
  • a strong or “powerful” grinding process generates sharp knives, but that rather a multiple, “easy” grinding of the knife edge or the knife edge edge is advantageous and generates a significantly higher quality of sharp knives.
  • a multiple adjustment along the entire knife edge generate particularly sharp blades.
  • a particularly good quality of the grinding or of the ground knife can likewise be achieved.
  • a display unit such as a light emitting diode or the like, may be provided to inter alia. to indicate the grinding or the grinding process to the user. This makes it possible in an advantageous manner that the user does not take the knife too early or during the grinding process from the knife magazine and thus would have a not optimally ground knife.
  • the transport path essentially corresponds to a contour of a curved knife edge.
  • knives in particular household knives or the like, are equipped with a curved knife edge or a curved blade.
  • an adaptation of the transport path or the curved transport path of the grinding element to the curved contour of each inserted or inserted into the knife magazine knife can be provided in an advantageous manner.
  • an adjustment unit for adapting the transport path to the contour or the curvature of a curved knife edge is provided.
  • the transport unit comprises at least one transport drive.
  • the transport drive is designed as an electric motor, so that, for example, in relation to the drive unit of the grinding device, a second or separate electric motor is provided.
  • a decoupling of the (fast) rotational speed from the (slow) transport speed of the grinding element can be implemented in an advantageous manner. Accordingly, each speed can be adapted to the respective requirements.
  • the transport drive can also be formed as a drive unit of the grinding device, so that only a single electric motor or drive is provided both for grinding and for the transport of the grinding element.
  • a gear or the like is provided so that e.g. a (fast) rotational speed and a different (slow) transport speed of the grinding element can be realized.
  • the transport unit is at least partially pivotable about a pivot axis. It has been found that an advantageous adaptation of the transport path of the grinding device along the mostly (differently) curved knife edges can be realized by such an advantageous pivotable mounting of the transport unit. This means that, for example, a substantially straight transport or guide rod and / or a linear guide element or transport element is provided on / along which the grinding element or the grinding device is arranged along adjustable or is guided / transported. At the same time, the advantageous adaptation of the transport path of the grinding device or of the grinding element along a curved knife edge or along the curved contour of the knife, esp.
  • the blade realized by the pivoting of the transport unit or the transport element to the advantageous pivot axis. This can, for example, be dispensed with a complicated sensory determination of the (different) curved contour of the blade and the generation of a curved transport path without correspondingly large constructional, mechanical and / or electronic effort.
  • the transport unit comprises at least one spring element for generating a contact force of the grinding element.
  • the contact pressure of the grinding element can be generated on the knife to be ground or on the knife edge and at the same time an adjustment of the transport path to the (curved) contour or to the curved knife can be realized.
  • an advantageous spring element to generate the pivoting of the transport unit about the pivot axis and also the adaptation to the Kontor and at the same time generate the contact pressure of the grinding element to the knife or to be sharpened knife edge.
  • the constructive and economic effort to adapt to different knives or different curved blade contours can be reduced.
  • a toothed rack is provided as the transport element, on which the grinding device or the grinding element (s) are transported along with the help of the transport drive or an electric motor with at least one gear wheel in an advantageous manner.
  • An electric motor is preferred as the drive unit for Rotating or rotating the / the grinding elements arranged on the rack, so that this electric motor or the grinding device with the / the grinding elements along the rack is transportable.
  • the rack can advantageously be rotatably mounted at one end and formed with a spring element such as a coil spring, leaf spring, elastomer or the like can be acted upon with a pivoting force.
  • transport elements or transport units such as a stroke-piston cylinder unit, an electromagnetic linear drive or linear motor, a cable drive or the like may be provided.
  • At least one transport sensor for detecting the transport path and / or at least one end position of the transport path of the grinding device and / or of the / the grinding elements is provided.
  • at least two sensors are provided at two spaced-apart positions of the transport path, in particular at its two ends / end regions, in order to detect the beginning and the end of the transport path or the position of the cutting device, in particular of the cutting element (s), and an advantageous one Generate control signal or sensor signal.
  • advantageously a signal for the electrical and / or electronic control unit is generated, so that e.g. the transport direction of the transport unit is variable or so that the grinding device or the / the grinding elements in an advantageous manner back and forth or back and forth along the knife edge are transportable.
  • monitoring the number of Transport paths are provided along the knife edge or along the transport path. This means that it is detected and controlled, for example with the aid of the advantageous electronic control unit, that the grinding device or the grinding element is guided or transported, for example, 3 times, 5 times, 10 times along the knife edge in order to generate an advantageous grinding result.
  • the grinding device or the grinding element is once adjusted along the transport path or along the knife edge and once back / transported. It has been found that with the aid of an electrically driven or electromotive rotation of the grinding element, in particular with a relatively high rotational speed, a single back-and-forth grinding operation is sufficient to achieve a high quality of the knife edge or the ground blade.
  • the knife storage unit is designed as a first knife storage module for coupling and / or connecting to a second knife storage module.
  • a modular knife block or a modular knife storage unit can be realized and is adaptable to the number of knives that the user would like to use or own.
  • this ensures that each user's knife is equipped with a separate grinding device or a separate grinding mechanism, so that each knife, which is stored in the respective knife magazine, can be ground for the next use according to the invention.
  • the first knife storage module comprises a mains connection or a mains plug and / or a transformer for the electrical power supply of the blade storage unit or the electrical grinding device and / or the electrical transport unit.
  • the electrical network energy from the first knife storage module optionally converted by means of a converter / transformer in low voltage of about 12 or 24 volts, transmitted or forwarded by means of the advantageous plug device to the second knife storage module and / or to a third, fourth or fifth knife storage module become.
  • a "master blade storage module" with power plug device or the like and one or more "slave blade storage modules” may be provided. This reduces the constructive and also economical effort for the realization of the second, third, fourth, fifth or sixth knife storage module.
  • an economically favorable adaptation to the number of meters used by the user can be made.
  • a mechanical coupling or connection such as a latching unit, clamping unit or the like is provided for coupling or connection of the first with a second or with a third blade storage module.
  • the plug-in device in particular the electrical plug-in device is also designed as a mechanical plug-in device. This means that an electrical energy transfer by means of the advantageous plug-in device and at the same time a mechanically secure or fixed connection / fixing of the two adjacent blade storage modules can be realized.
  • FIGS. 1 to 4 schematically a first blade storage unit 1 with a kitchen knife 2 or components thereof is shown.
  • the knife storage unit 1 is referred to as a so-called “knife block” 3 and comprises a knife sheath 4 or a knife magazine 4 with a magazine opening 5 in the sense of the invention.
  • the knife block 3 has a first sensor 6, which detects the presence or the insertion of the knife 2.
  • two end sensors 6, 7 are provided, which detect a grinding of the blade 2 or a position of a grinding unit 9, esp.
  • the curved grinding path 11 and the transport path 11 of a grinding wheel 10 is mainly in FIG. 2 illustrated.
  • FIG. 2 is a schematic, stroboskopIndia sequence of different positions of the grinding wheel 10 along the grinding path 11 shown.
  • the grinding unit 9 comprises e.g. a transport motor 12 and a grinding motor 13, the latter driving the rotating about a rotation axis grinding wheel 10.
  • Grinding motor 13 with grinding wheel 10 are by means of the transport motor 12 and a gear 15 along a (curved) rack 14 adjustable or driven stored / guided.
  • the rack 14 can be formed both curved and rectilinear in order to follow a curved contour of a cutting edge or cutting edge of the blade 2 in accordance with this during the grinding process.
  • the rack 14 is preferably pivotable on a pivot axis and by means of a spring element, e.g.
  • a change in the transport direction preferably with the lower sensor 7, and a start or end of the grinding process with the upper end sensor 8 detected or controlled.
  • a non-illustrated electronic / electrical control unit is present.
  • FIG. 5 a second knife storage unit 1 with kitchen knife 2 is shown.
  • the knife storage unit 1 is in turn designed as a so-called “knife block” 3, wherein in addition a power supply 16 or electrical power supply with mains plug is shown.
  • this blade storage unit 1 is designed as a so-called "master” 1, to which one or any number of so-called “slaves” can be connected as blade storage units 1 according to the invention (cf. FIG. 6 ).
  • the "master” by means of a plug 17 which can be coupled / connected to a socket 19 and with which electrical energy for the grinding units 9 and "slaves" is transmitted (see. FIG. 6 ).
  • an (additional) mechanical coupling / Verrast réelle or the like can be provided.
  • the plug 17 has an optional cap 18, ie when no "slave” is connected.
  • second knife storage units 1 comprises for supplying power to the grinding unit 9, an electrical cable 21, esp. Ribbon cable, so that along the transport path 11 and the grinding path to be adjusted / transported grinding unit 9 is also supplied in any position in an advantageous manner with electrical energy.
  • an LED 20 is provided which indicates, for example, a grinding phase (red) and a resting phase or a ground state (after the grinding phase) of the blade 2 (green).
  • a cleaning brush 22 or the like for cleaning the blade 2 of grinding dust etc. and / or a holding prism 23 for the back of the knife can be provided.
  • the used kitchen knife 2 is inserted into a knife block 3 with automatically running grinding unit 9.
  • One or more sensors 6 detect the inserted knife 2 and the grinding automatism is e.g. executed once. This eliminates a tedious re-sharpening different length stored kitchen knife. 2
  • an automatic knife sharpening block 3 or a grinding unit 9 is provided per knife 2.
  • a base knife block 3 or so-called “master” are provided with a power supply 16, to which all other knife blocks 3 or so-called “slaves” are electrically adapted / coupled.
  • the grinding process is relatively quiet, since in the knife block 1, 3 of the occurring "grinding noise" is swallowed and barely produced by the typical solid construction of the knife block 3 structure-borne sound.
EP17208788.4A 2017-01-09 2017-12-20 Unité de stockage de couteaux Active EP3345515B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017100289.8A DE102017100289B4 (de) 2017-01-09 2017-01-09 Messeraufbewahrungseinheit

Publications (3)

Publication Number Publication Date
EP3345515A2 true EP3345515A2 (fr) 2018-07-11
EP3345515A3 EP3345515A3 (fr) 2018-09-05
EP3345515B1 EP3345515B1 (fr) 2020-11-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17208788.4A Active EP3345515B1 (fr) 2017-01-09 2017-12-20 Unité de stockage de couteaux

Country Status (2)

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EP (1) EP3345515B1 (fr)
DE (1) DE102017100289B4 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109571299A (zh) * 2018-12-29 2019-04-05 福州品行科技发展有限公司 多功能刀架
CN112971559A (zh) * 2021-03-03 2021-06-18 俞瞿龙 厨房刀具用多功能刀架

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018131332A1 (de) 2018-12-07 2020-06-10 Jürgen Dangel Messeraufbewahrungseinheit und Verfahren zum Betreiben der Messeraufbewahrungseinheit
EP3747598A1 (fr) 2019-06-04 2020-12-09 Jürgen Dangel Unité de stockage de lames dotée d'un boîtier
US11376713B1 (en) 2021-03-09 2022-07-05 Sharkninja Operating Llc Knife sharpening systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767530A (en) * 1954-09-01 1956-10-23 Leo A Paldanius Knife sheath
US3064393A (en) * 1960-03-08 1962-11-20 Arthur M Chasan Automatic knife sharpener
DE1174202B (de) * 1960-07-30 1964-07-16 Applic Tech D Affutage Moderne Schleifeinrichtung fuer Messer, Scheren od. dgl.
US4866845A (en) * 1988-03-22 1989-09-19 Mcevily John B Knife holding and sharpening block
JPH01281857A (ja) * 1988-04-30 1989-11-13 Kaijirushi Hamono Kaihatsu Center:Kk 包丁研ぎ器
US6224475B1 (en) * 1999-02-26 2001-05-01 The Pampered Chef, Ltd. Sharpener sheath
DE102008033547A1 (de) * 2008-07-17 2010-01-21 Visonn Gmbh & Co. Kg Schleif- und Schärfmaschine für Schneidklingen
ES2729960T3 (es) * 2009-06-22 2019-11-07 Fackelmann Housewares Ip Pty Ltd Funda de cuchilla, afilador y casete afilador
KR20110008417A (ko) * 2009-07-20 2011-01-27 문승배 주방용 자동 칼갈이장치
US8915766B1 (en) * 2014-05-22 2014-12-23 Dmitriy Kolchin Automatic knife sharpener and a method for its use

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109571299A (zh) * 2018-12-29 2019-04-05 福州品行科技发展有限公司 多功能刀架
CN112971559A (zh) * 2021-03-03 2021-06-18 俞瞿龙 厨房刀具用多功能刀架
CN112971559B (zh) * 2021-03-03 2022-01-28 中山厨之乐卫厨制品有限公司 厨房刀具用多功能刀架

Also Published As

Publication number Publication date
DE102017100289A1 (de) 2018-07-12
EP3345515B1 (fr) 2020-11-04
EP3345515A3 (fr) 2018-09-05
DE102017100289B4 (de) 2018-11-15

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