IT1138718B - Rondella indicatrice di tensione - Google Patents

Rondella indicatrice di tensione

Info

Publication number
IT1138718B
IT1138718B IT20214/81A IT2021481A IT1138718B IT 1138718 B IT1138718 B IT 1138718B IT 20214/81 A IT20214/81 A IT 20214/81A IT 2021481 A IT2021481 A IT 2021481A IT 1138718 B IT1138718 B IT 1138718B
Authority
IT
Italy
Prior art keywords
voltage indicator
indicator washer
washer
voltage
indicator
Prior art date
Application number
IT20214/81A
Other languages
English (en)
Other versions
IT8120214A0 (it
Inventor
Clare Peterson Francis
Original Assignee
Illinois Tool Works
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 Illinois Tool Works filed Critical Illinois Tool Works
Publication of IT8120214A0 publication Critical patent/IT8120214A0/it
Application granted granted Critical
Publication of IT1138718B publication Critical patent/IT1138718B/it

Links

Classifications

    • 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
    • G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
    • G01L5/243—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed using washers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
    • F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
    • F16B31/028—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load with a load-indicating washer or washer assembly

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
IT20214/81A 1980-03-17 1981-03-09 Rondella indicatrice di tensione IT1138718B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/130,670 US4293257A (en) 1980-03-17 1980-03-17 Tension indicating washer

Publications (2)

Publication Number Publication Date
IT8120214A0 IT8120214A0 (it) 1981-03-09
IT1138718B true IT1138718B (it) 1986-09-17

Family

ID=22445783

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20214/81A IT1138718B (it) 1980-03-17 1981-03-09 Rondella indicatrice di tensione

Country Status (10)

Country Link
US (1) US4293257A (it)
JP (1) JPS56141415A (it)
AU (1) AU6816081A (it)
CA (1) CA1147995A (it)
DE (1) DE3108487A1 (it)
ES (1) ES256959Y (it)
FR (1) FR2478307A1 (it)
GB (1) GB2073898A (it)
IT (1) IT1138718B (it)
MX (1) MX151848A (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3307533C2 (de) * 1983-03-03 1985-03-14 Kaco Gmbh + Co, 7100 Heilbronn Verfahren zur Ermittlung der Verteilung der Anpreßkraft eines Prüfkörpers innerhalb einer Kontaktzone mit einem Gegenkörper und Vorrichtung zur Durchführung des Verfahrens
US4479747A (en) * 1983-04-21 1984-10-30 Microdot Inc. Preloaded locknut
US4572717A (en) * 1983-08-04 1986-02-25 Illinois Tool Works Inc. Tension indicating washer improvements
US4500237A (en) * 1983-08-04 1985-02-19 Illinois Tool Works Inc. Tension indicating washer for smooth and irregular surfaces
GB2179459A (en) * 1985-08-17 1987-03-04 Rotabolt Ltd Indicating tightness of fastening device
US4925217A (en) * 1988-10-24 1990-05-15 Huron Products Corporation Quick connector with visual checking method
US4952110A (en) * 1989-10-13 1990-08-28 Ring Screw Works, Inc. Anti-cross thread screw
US5135268A (en) * 1990-11-08 1992-08-04 Huron Products Industries Quick connector
GB9112785D0 (en) * 1991-06-13 1991-07-31 Turner Arthur M Bolt tension indicator
US5679937A (en) * 1994-08-22 1997-10-21 Toyodenso Kabushiki Kaisha Switching device
US5660417A (en) * 1995-06-05 1997-08-26 Chevron U.S.A. Inc. Indicator for maintaining seals in flange assemblies
GB9822710D0 (en) * 1998-10-16 1998-12-09 Wheelsafe Limited A fastner device
FR2816676A1 (fr) * 2000-11-14 2002-05-17 Anne Kerjan Rondelle d'alerte et de signalisation de desserrage de fixation d'assemblages mecaniques
US7156595B2 (en) * 2001-11-16 2007-01-02 Clarke Ronald C Load indicating fastener insert
US7473064B2 (en) * 2001-11-16 2009-01-06 Ronald C. Clarke Load indicating fastener insert
DE102011007940B4 (de) * 2011-01-03 2019-02-21 Wolfgang B. Thörner Polklemme
JP5656963B2 (ja) * 2012-11-21 2015-01-21 カヤバ工業株式会社 ウェーブワッシャ
EP2990796A1 (en) 2014-08-29 2016-03-02 The Procter and Gamble Company Device for testing the properties of hair fibres
CN105370702B (zh) * 2015-12-22 2018-01-23 华为技术有限公司 一种弹性垫片紧固件
AU201712056S (en) * 2017-04-07 2017-05-03 Lifepoint Int Pty Ltd Washer for Load Indication
AU201712057S (en) * 2017-04-07 2017-05-03 Lifepoint Int Pty Ltd Washer for Load Indication
USD1004414S1 (en) * 2019-10-16 2023-11-14 Pungkang Co., Ltd. Anti-theft nut
USD987424S1 (en) * 2020-03-04 2023-05-30 Penn Engineering & Manufacturing Corp. Self-piercing clinch washer
USD981837S1 (en) * 2020-07-16 2023-03-28 Runtao Deng UFO screw back
USD1016603S1 (en) * 2020-10-02 2024-03-05 LeVaughn Ohelo Kaopio Washer
USD986050S1 (en) * 2020-10-08 2023-05-16 Sampa Otomotiv Sanayi Ve Ticaret Anonim Sirketi Bearing restrictor nut
USD991776S1 (en) * 2020-12-30 2023-07-11 Drägerwerk AG & Co. KGaA Cable holder
US11959316B2 (en) * 2021-05-27 2024-04-16 Olympus Lock Inc. Wafer-tumbler cam locks for cabinets

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1774695A (en) * 1927-08-22 1930-09-02 Edward C Baynes Pressure indicator for nuts or bolts
US2830486A (en) * 1953-10-27 1958-04-15 W C Dillon & Company Inc Resilient nut with tension indicating means
US3060731A (en) * 1958-09-11 1962-10-30 Herbert H Adise Motion translator
US3072093A (en) * 1960-02-16 1963-01-08 Illinois Tool Works Visible inspection fastener
US3169440A (en) * 1960-09-09 1965-02-16 Anglo Transvaal Cons Invest Co Tension indicating devices for instance in roof bolting
US3104645A (en) * 1961-03-22 1963-09-24 Harrison Henry Bolt stress indicator
US3153974A (en) * 1961-04-26 1964-10-27 Western Electric Co Method of and device for indicating a predetermined pressure exerted by a fastener
US3329058A (en) * 1964-04-14 1967-07-04 Cumming James Deans Tension indicating washer
US3736394A (en) * 1971-09-14 1973-05-29 D Rumbaugh Condition sensing assembly positioned as washer
US3945704A (en) * 1974-03-28 1976-03-23 Kraus Robert A Device for detecting an applied compressive load
US4000681A (en) * 1975-05-12 1977-01-04 Eaton Corporation Mine bolt tension indicator
US4164164A (en) * 1976-07-13 1979-08-14 Trungold Emanuel H Bolt tension indicating means
US4047463A (en) * 1976-07-23 1977-09-13 Eaton Corporation Tension indicator
US4131050A (en) * 1977-07-05 1978-12-26 The Solon Manufacturing Company Visual load indicator
US4149446A (en) * 1977-12-01 1979-04-17 Bethlehem Steel Corporation Load indicator washer

Also Published As

Publication number Publication date
IT8120214A0 (it) 1981-03-09
CA1147995A (en) 1983-06-14
JPS56141415A (en) 1981-11-05
GB2073898A (en) 1981-10-21
MX151848A (es) 1985-04-09
ES256959Y (es) 1982-06-01
DE3108487A1 (de) 1981-12-24
FR2478307A1 (fr) 1981-09-18
ES256959U (es) 1981-12-16
AU6816081A (en) 1981-09-24
JPS6352248B2 (it) 1988-10-18
US4293257A (en) 1981-10-06

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