FR2794822A1 - Visual indicator of untimely unscrewing of all bolting or screwing applications - Google Patents

Visual indicator of untimely unscrewing of all bolting or screwing applications Download PDF

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Publication number
FR2794822A1
FR2794822A1 FR9907607A FR9907607A FR2794822A1 FR 2794822 A1 FR2794822 A1 FR 2794822A1 FR 9907607 A FR9907607 A FR 9907607A FR 9907607 A FR9907607 A FR 9907607A FR 2794822 A1 FR2794822 A1 FR 2794822A1
Authority
FR
France
Prior art keywords
notches
bolt
bolting
visual indicator
bar
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.)
Withdrawn
Application number
FR9907607A
Other languages
French (fr)
Inventor
Thierry Strack
Jean Yves Roperch
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 FR9907607A priority Critical patent/FR2794822A1/en
Publication of FR2794822A1 publication Critical patent/FR2794822A1/en
Withdrawn legal-status Critical Current

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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
    • F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • F16B41/002—Measures against loss of bolts, nuts or pins
    • 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
    • F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Connection Of Plates (AREA)

Abstract

The indicator consists of two bolt head covers (1) fitted onto the bolt or screw heads after they had been tightened up. Each of these covers contains two notches (2) to enable them to be joined by a breakable joining strip (3) made up of a succession of individual pieces (5). Any untimely unscrewing of the bolt caused a breakage in the joining strip thus indicating the bolt has come loose.

Description

La présente invention concerne un dispositif pour informer visuellement du desserrage intempestif de toute boulonnerie ou visserie. Le contrôle de ce desserrage est traditionnellement effectué par un opérateur qui resserre manuellement,avec l'outil adapté, toutes la boulonnerie et toute la visserie.Ce contrôle n'élimine pas les contraintes de temps, d'outils, ni les risques d'oublis liés au nombre de visites ou<B>à</B> la négligence. L'absence de ces contrôles peuvent être<B>à</B> l'origine d'incidents voire d'accidents très graves. L'invention permet de remédier<B>à</B> tous les risques générés par le desserage de toutes boulonnerie ou visserie. The present invention relates to a device for visually informing the untimely loosening of any hardware or screws. The control of this loosening is traditionally carried out by an operator who tightens manually, with the appropriate tool, all the nuts and bolts and all the screws and bolts. This control does not eliminate the constraints of time, tools, or the risks of oversight. related to the number of visits or <B> to </ B> negligence. The absence of these controls can be <B> to </ B> causing incidents or even very serious accidents. The invention overcomes <B> to </ B> all the risks generated by the loosening of all nuts and bolts.

Le dispositif selon l'invention est constitué de 2 éléments distincts:Un couvre-boulon présentant,sur l'extérieur, deux encoches diamétralement opposées. The device according to the invention consists of 2 distinct elements: A bolt cover having, on the outside, two notches diametrically opposed.

Une barrette-cassable de liaison venant s'emboiter dans l'une des encoches du couvre-boulon. A bar-breakable link coming into place in one of the notches of the bolt cover.

Le principe d'utilisation est le suivant.Prenons pour exemple un essieu de camion. Après avoir été serré, chaque écrou est coiffé d'un couvre-boulon, son encoche étant orientée vers l'encoche de l'autre couvre-boulon. Deux par deux, ces couvre-boulons sont reliés l'un<B>à</B> l'autre par la barrette-cas sable de liaison.Si l'un de ces deux boulons se desserre, le couvre-boulon solidaire suivra le mouvement et provoquera la rupture de la barrette-cassable de liaison permettant ainsi une lisibilité du danger potentiel. The principle of use is the following. Let's take for example a truck axle. After being tightened, each nut is capped with a bolt cover, its notch being oriented towards the notch of the other bolt cover. Two by two, these bolt covers are connected one to the other by the sand link-binding case. If one of these two bolts loosens, the integral bolt cover will follow the movement and will cause the rupture of the bar-breakable link allowing a readability of the potential danger.

Selon des modes particuliers de réalisation: -La barrette-cas sable de liaison peut s'utiliser avec un seul couvre-boulon. According to particular embodiments: -The bar-sand binding case can be used with a single bolt cover.

-La barrette-cas sable de liaison est une succession de for-mes s'adaptant aux encoches du couvre-boulons. -The bar-sand binding case is a succession of formes adapted to the notches of the bolt covers.

-Les formes et leurs encoches ne sont pas restrictives. -The shapes and their notches are not restrictive.

-Les encoches du couvre-boulon pourront avoir un bourrelet en leur sommet pour retenir la barrette -cas sable de liaison dans son logement et obliger la rupture de celle-ci lors des manipulations. -The notches of the bolt cover may have a bead at their top to retain the barrette -cas sand binding in its housing and force the rupture thereof during handling.

-Le couvre-boulon participe,dans le même temps,<B>à</B> la protection des pièces qu'il couvre contre toutes les agression extérieurs. Les dessins annexés illustrent l'invention: -Figure<B>1</B> représente en coupe, le dispositif de l'invention en vue de dessus. -The bolt cover participates, at the same time, <B> to </ B> the protection of the parts it covers against all external aggression. The accompanying drawings illustrate the invention: - Figure <B> 1 </ B> represents in section, the device of the invention in top view.

-Figure 2 représente en coupe, le dispositif de l'invention en vue de profil. -Figure 2 represents in section, the device of the invention in profile view.

En référence<B>à</B> ces dessins, le dispositif comporte 2 couvre-boulons(l) munis chacun de deux encoches(2). L'intérieur de ces couvres-boulons est cylindrique. La base interne(4) du couvre-boulon aura un évidement plus large que l'intérieur du corps permettant l'utilisation du couvre-boulon même en présence de rondelles. La barrette-ca s sable de liaison(3) est une succession de formes(5) adaptées aux encoches(2) devant les recevoir. With reference to these drawings, the device comprises two bolt covers (1) each provided with two notches (2). The interior of these bolt covers is cylindrical. The inner base (4) of the bolt cover will have a wider recess than the inside of the body allowing the use of the bolt cover even in the presence of washers. The connecting strip-s sand (3) is a succession of shapes (5) adapted to the notches (2) to receive them.

Selon une variante, qui n'est pas illustrée chaque encoche aura un léger bourrelet en son sommet, évitant la sortie involontaire de la barrette-cassable de liaison et provoquant la rupture de cette dernière lors de toutes manipulations. According to a variant, which is not illustrated, each notch will have a slight bead at its top, avoiding the involuntary exit of the bar-breakable link and causing the rupture of the latter during any manipulation.

Le dispositif selon l'invention s'adaptera<B>à</B> tous les modèles et<B>à</B> toutes les tailles de boulonnerie et de visserie existante dont le serrage doit être régulièrement vérifié manuellement par un opérateur.The device according to the invention will fit <B> to </ B> all models and <B> to </ B> all sizes of existing bolting and hardware whose tightening must be regularly checked manually by an operator.

Claims (1)

<B>REVENDICATIONS</B> <B>1)</B> Dispositif pour informer visuellement du desserrage intempestif de toute boulonnerie ou visserie caractérisé en ce qu'il comporte. 2 couvre-boulons <B>(1)</B> muni chacun de 2 encoches (2) et d'une barrette-cassable de liaison (3). 2) Dispositif selon la revendication<B>1</B> caractérisé en ce que la barrette-cas sable de liaison<B>(3)</B> est une succession de formes<B>(5)</B> adaptées aux encoches (2) pour les recevoir. <B>3)</B> Dispositif selon la revendication<B>1</B> caractérisé en ce que les couvres-boulons <B>(1)</B> ont, en leur base, un évidement plus large que l'intérieur du corp (4) permettant leur utilisation en présence de rondelles. 4) Dispositif selon la revendication<B>1</B> caractérisé en ce que les encoches (2) comporte un léger bourrrelet en son sommet provoquant ainsi la rupture de la barrette -cas sable lors de manipulations intempestives.<B> CLAIMS </ B> <B> 1) </ B> Device for visually informing the unintentional loosening of any hardware or screws characterized in that it comprises. 2 bolt covers <B> (1) </ B> each provided with 2 notches (2) and a bar-breakable link (3). 2) Device according to claim <B> 1 </ B> characterized in that the strip-case binding sand <B> (3) </ B> is a succession of forms <B> (5) </ B> adapted to the notches (2) to receive them. <B> 3) </ B> Device according to claim <B> 1 </ B> characterized in that the cover bolts <B> (1) </ B> have, at their base, a recess wider than inside the body (4) allowing their use in the presence of washers. 4) Device according to claim <B> 1 </ B> characterized in that the notches (2) has a small bead at its summit thus causing the rupture of the bar -cas sand during untimely manipulation.
FR9907607A 1999-06-10 1999-06-10 Visual indicator of untimely unscrewing of all bolting or screwing applications Withdrawn FR2794822A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9907607A FR2794822A1 (en) 1999-06-10 1999-06-10 Visual indicator of untimely unscrewing of all bolting or screwing applications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9907607A FR2794822A1 (en) 1999-06-10 1999-06-10 Visual indicator of untimely unscrewing of all bolting or screwing applications

Publications (1)

Publication Number Publication Date
FR2794822A1 true FR2794822A1 (en) 2000-12-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR9907607A Withdrawn FR2794822A1 (en) 1999-06-10 1999-06-10 Visual indicator of untimely unscrewing of all bolting or screwing applications

Country Status (1)

Country Link
FR (1) FR2794822A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2406365A (en) * 2003-09-26 2005-03-30 Business Lines Ltd Security Device
EP2278177A3 (en) * 2009-07-20 2013-01-09 Haver & Boecker oHG Device preventing loss with a screw and protection device for a machine part
RU2640408C2 (en) * 2013-08-23 2018-01-09 Дзе Юропиен Этомик Энерджи Комьюнити (Юратом), Репризентед Бай Дзе Юропиен Комишен Sealing bolt and sealing system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2406365A (en) * 2003-09-26 2005-03-30 Business Lines Ltd Security Device
GB2406365B (en) * 2003-09-26 2006-07-12 Business Lines Ltd Security device for adjacent nuts or bolts
EP2278177A3 (en) * 2009-07-20 2013-01-09 Haver & Boecker oHG Device preventing loss with a screw and protection device for a machine part
RU2640408C2 (en) * 2013-08-23 2018-01-09 Дзе Юропиен Этомик Энерджи Комьюнити (Юратом), Репризентед Бай Дзе Юропиен Комишен Sealing bolt and sealing system

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ST Notification of lapse