JPS5419782A - Load indicator - Google Patents

Load indicator

Info

Publication number
JPS5419782A
JPS5419782A JP8059778A JP8059778A JPS5419782A JP S5419782 A JPS5419782 A JP S5419782A JP 8059778 A JP8059778 A JP 8059778A JP 8059778 A JP8059778 A JP 8059778A JP S5419782 A JPS5419782 A JP S5419782A
Authority
JP
Japan
Prior art keywords
load indicator
indicator
load
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
JP8059778A
Other languages
English (en)
Inventor
Kaaru Horumesu Piitaa
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.)
Solon Manufacturing Co
Original Assignee
Solon Manufacturing Co
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 Solon Manufacturing Co filed Critical Solon Manufacturing Co
Publication of JPS5419782A publication Critical patent/JPS5419782A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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)
  • Bolts, Nuts, And Washers (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
JP8059778A 1977-07-05 1978-07-04 Load indicator Pending JPS5419782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/812,691 US4131050A (en) 1977-07-05 1977-07-05 Visual load indicator

Publications (1)

Publication Number Publication Date
JPS5419782A true JPS5419782A (en) 1979-02-14

Family

ID=25210354

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8059778A Pending JPS5419782A (en) 1977-07-05 1978-07-04 Load indicator

Country Status (6)

Country Link
US (1) US4131050A (ja)
JP (1) JPS5419782A (ja)
CA (1) CA1093904A (ja)
DE (1) DE2829533A1 (ja)
FR (1) FR2396966A1 (ja)
GB (1) GB2000843B (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564929A (en) * 1981-11-25 1986-01-14 Hitachi, Ltd. Information recording and reproducing apparatus with tracking control by sampling
JPS63259566A (ja) * 1987-04-16 1988-10-26 Konica Corp 有機着色物質の光褪色防止方法
US10858021B2 (en) 2015-09-14 2020-12-08 Thales Management & Services Deutschland Gmbh Method for determining the speed of a rail-bound vehicle

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293257A (en) * 1980-03-17 1981-10-06 Illinois Tool Works Inc. Tension indicating washer
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
DE3346802C2 (de) * 1983-12-23 1986-11-13 Bernhard Beumer Maschinenfabrik Kg, 4720 Beckum Einrichtung zum Überwachen des Spannungszustandes einer Schraubverbindung
GB2179459A (en) * 1985-08-17 1987-03-04 Rotabolt Ltd Indicating tightness of fastening device
US4773272A (en) * 1986-11-25 1988-09-27 Trungold Emanuel H Apparatus and method for measuring bolt tension in situ
GB2212284B (en) * 1987-11-10 1992-01-15 Brian Walton Member with load-indicating means
US4930951A (en) * 1988-08-22 1990-06-05 Tabs, Inc. Torque verification apparatus and method
US4925217A (en) * 1988-10-24 1990-05-15 Huron Products Corporation Quick connector with visual checking method
GB8908903D0 (en) * 1989-04-19 1989-06-07 Ceney David J Load indicating washer
DE3934952A1 (de) * 1989-10-20 1991-04-25 Messerschmitt Boelkow Blohm Ueberwachungsvorrichtung fuer ein verbindungselement
US5135268A (en) * 1990-11-08 1992-08-04 Huron Products Industries Quick connector
GB2251908B (en) * 1991-01-16 1993-12-15 Rotabolt Ltd Load indicating
GB9112785D0 (en) * 1991-06-13 1991-07-31 Turner Arthur M Bolt tension indicator
US5385054A (en) * 1993-08-16 1995-01-31 Kramer; Hy Fastener tension monitor
US5660417A (en) * 1995-06-05 1997-08-26 Chevron U.S.A. Inc. Indicator for maintaining seals in flange assemblies
US5722807A (en) * 1996-10-15 1998-03-03 Structural Integrity Monitoring Clamp load indicator
US5913647A (en) * 1996-12-20 1999-06-22 Structural Integrity Monitoring Systems, Inc. Fastener tension indicator
US6244804B1 (en) 1998-09-25 2001-06-12 Malcolm H. Hodge Tension-indicating fasteners
US6467988B1 (en) 2000-05-20 2002-10-22 General Electric Company Reducing cracking adjacent shell flange connecting bolts
FR2816676A1 (fr) * 2000-11-14 2002-05-17 Anne Kerjan Rondelle d'alerte et de signalisation de desserrage de fixation d'assemblages mecaniques
US20030095848A1 (en) * 2001-11-16 2003-05-22 Clarke Ronald C. Load indicating fastener insert
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
EP2009297A1 (en) * 2007-06-26 2008-12-31 Rockwool International A/S A device for indicating the tension in a fastening member, such as a screw or the like
WO2009000776A1 (en) * 2007-06-26 2008-12-31 Rockwool International A/S A device for indicating the tension in a fastening member, such as a screw or the like
DE102008060659A1 (de) * 2008-12-08 2010-06-10 Bentec Gmbh Drilling & Oilfield Systems Klemmvorrichtung für Zylinderbuchsen sowie deren Verwendung und Spülpumpe mit Klemmvorrichtung
US20100299893A1 (en) * 2009-06-02 2010-12-02 Feng-Chia Liang Double locking snap hook device
DE102009040521A1 (de) * 2009-09-08 2011-03-10 Siko Gmbh Überwachungsvorrichtung, insbesondere Klemmkraftdose
DE202011111010U1 (de) * 2011-01-03 2018-05-28 Wolfgang B. Thörner Polklemme
US20130133174A1 (en) * 2011-11-30 2013-05-30 T & B Structural Systems Llc Drive pin for soil reinforcing connector device
US9222504B2 (en) 2012-02-09 2015-12-29 Bae Industries, Inc. Washer with collapsible protrusions for accommodating pivot gap material thickness
EP3263505B1 (fr) * 2016-06-30 2019-10-23 Intelprop S.A. Dispositif de témoin de charge, en particulier pour un anneau de levage
FR3111167B1 (fr) * 2020-06-04 2022-05-20 Safran Aircraft Engines Dispositif de serrage de collier de fixation
WO2024022570A1 (en) * 2022-07-25 2024-02-01 Worxsafe Ab A composite washer for force indication and loosening prevention

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3104645A (en) * 1961-03-22 1963-09-24 Harrison Henry Bolt stress indicator
US3150557A (en) * 1961-06-13 1964-09-29 Brown John Arthur Bolt loading indicator
US3187621A (en) * 1962-12-14 1965-06-08 Cooper & Turner Ltd Fastener assembly and pre-load indicating washer therefor
US3161174A (en) * 1963-08-06 1964-12-15 Harrison Henry Mine roof bolt tension indicator
US3474701A (en) * 1968-05-24 1969-10-28 Heli Coil Corp Preload indicating devices for fasteners
US3736394A (en) * 1971-09-14 1973-05-29 D Rumbaugh Condition sensing assembly positioned as washer
US3802379A (en) * 1972-02-07 1974-04-09 Omark Industries Inc Load indicating fastener
US3945704A (en) * 1974-03-28 1976-03-23 Kraus Robert A Device for detecting an applied compressive load
US4020734A (en) * 1975-11-26 1977-05-03 Star Expansion Industries Corporation Tension indicator for fastener means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564929A (en) * 1981-11-25 1986-01-14 Hitachi, Ltd. Information recording and reproducing apparatus with tracking control by sampling
JPS63259566A (ja) * 1987-04-16 1988-10-26 Konica Corp 有機着色物質の光褪色防止方法
US10858021B2 (en) 2015-09-14 2020-12-08 Thales Management & Services Deutschland Gmbh Method for determining the speed of a rail-bound vehicle

Also Published As

Publication number Publication date
GB2000843B (en) 1982-03-24
US4131050A (en) 1978-12-26
GB2000843A (en) 1979-01-17
CA1093904A (en) 1981-01-20
DE2829533A1 (de) 1979-01-25
FR2396966A1 (fr) 1979-02-02

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