EP4388277A4 - Kantentester für handwerkzeuge - Google Patents

Kantentester für handwerkzeuge

Info

Publication number
EP4388277A4
EP4388277A4 EP22858920.6A EP22858920A EP4388277A4 EP 4388277 A4 EP4388277 A4 EP 4388277A4 EP 22858920 A EP22858920 A EP 22858920A EP 4388277 A4 EP4388277 A4 EP 4388277A4
Authority
EP
European Patent Office
Prior art keywords
hand tools
edge tester
tester
edge
tools
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.)
Pending
Application number
EP22858920.6A
Other languages
English (en)
French (fr)
Other versions
EP4388277A1 (de
Inventor
Mary T Graves
daniel d Graves
Joseph C Juranitch
Scott D Taylor
Robert J Mattila
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.)
Razor Edge Systems Inc
Original Assignee
Razor Edge Systems Inc
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
Priority claimed from US17/403,671 external-priority patent/US11474014B1/en
Application filed by Razor Edge Systems Inc filed Critical Razor Edge Systems Inc
Publication of EP4388277A1 publication Critical patent/EP4388277A1/de
Publication of EP4388277A4 publication Critical patent/EP4388277A4/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/58—Investigating machinability by cutting tools; Investigating the cutting ability of tools
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
    • G01L1/2231—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports the supports being disc- or ring-shaped, adapted for measuring a force along a single direction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
    • G01L5/10—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means
    • G01L5/106—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means for measuring a reaction force applied on a cantilever beam
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/067—Parameter measured for estimating the property
    • G01N2203/0676—Force, weight, load, energy, speed or acceleration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Knives (AREA)
EP22858920.6A 2021-08-16 2022-07-19 Kantentester für handwerkzeuge Pending EP4388277A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17/403,671 US11474014B1 (en) 2018-11-20 2021-08-16 Hand tool edge tester
PCT/US2022/037576 WO2023022829A1 (en) 2021-08-16 2022-07-19 Hand tool edge tester

Publications (2)

Publication Number Publication Date
EP4388277A1 EP4388277A1 (de) 2024-06-26
EP4388277A4 true EP4388277A4 (de) 2025-09-10

Family

ID=85240889

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22858920.6A Pending EP4388277A4 (de) 2021-08-16 2022-07-19 Kantentester für handwerkzeuge

Country Status (3)

Country Link
EP (1) EP4388277A4 (de)
CA (1) CA3227968A1 (de)
WO (1) WO2023022829A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119290648B (zh) * 2024-12-12 2025-03-04 包头市信远矿山机械有限公司 一种煤矿掘锚一体机施工测试装置
AU2025200259B1 (en) * 2025-01-14 2025-12-11 Anago Limited Blade Sharpness Tester

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5571956A (en) * 1994-09-21 1996-11-05 Monfort, Inc. Apparatus and method for testing the sharpness of cutting edges
DE102017001589B3 (de) * 2017-02-17 2018-07-05 PWFT GmbH Prüfvorrichtung und Prüfverfahren zur Schärfeprüfung von schneidenden Werkzeugen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002036178A (ja) * 2000-07-21 2002-02-05 Fuji Photo Film Co Ltd カッターの寿命予測方法及び寿命予測装置
US7293451B2 (en) * 2005-03-10 2007-11-13 Peter Christopher Dowd Sharpness tester
JP2011110770A (ja) * 2009-11-25 2011-06-09 Olympus Corp 画像記録装置及び画像記録装置の制御方法
DE102010019852A1 (de) * 2010-05-07 2011-11-10 Knecht Maschinenbau Gmbh Vorrichtung zum Schleifen von Handmessern
US9694475B2 (en) * 2013-08-06 2017-07-04 Peter Christopher Dowd Clamp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5571956A (en) * 1994-09-21 1996-11-05 Monfort, Inc. Apparatus and method for testing the sharpness of cutting edges
DE102017001589B3 (de) * 2017-02-17 2018-07-05 PWFT GmbH Prüfvorrichtung und Prüfverfahren zur Schärfeprüfung von schneidenden Werkzeugen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023022829A1 *

Also Published As

Publication number Publication date
EP4388277A1 (de) 2024-06-26
CA3227968A1 (en) 2023-02-23
WO2023022829A1 (en) 2023-02-23

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Legal Events

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DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20250808

RIC1 Information provided on ipc code assigned before grant

Ipc: G01B 7/34 20060101AFI20250804BHEP

Ipc: G01N 3/06 20060101ALI20250804BHEP

Ipc: G01N 3/58 20060101ALI20250804BHEP