FR2961069A1

FR2961069A1 - Double split ring for key, has ring segment situated at front of local support point and tilted naturally to cause spacing of ends of spires when lever arm allows operator to clamp rear end of boss or projection with fingers

Info

Publication number: FR2961069A1
Application number: FR1002462A
Authority: FR
Inventors: Jean Paul Taillefer; Bernard Amalric; Frederic Cannac
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-11
Filing date: 2010-06-11
Publication date: 2011-12-16

Abstract

The ring has joined helical spires (1, 2) made of elastic material such as steel, so as to be firmly maintained in locked position by their rigidity. One of the spires possesses a boss/projection (3) by angular offset with respect to one of its ends such that the other spire supported in the former spire forms a space (4) between the spires over length. A ring segment (5) situated at front of a local support point is tilted naturally to cause spacing of the spire ends when a lever arm allows an operator to clamp a rear end of the boss or projection with fingers.

Description

ANNEAU BRISE DOUBLE A OUVERTURE OU EXTRACTION RAPIDE PAR PINCEMENT DOUBLE BREEZE RING WITH OPENING OR RAPID EXTRACTION BY PINCH

La présente invention concerne un anneau brisé double pouvant s'ouvrir ou s'extraire 5 rapidement par simple pincement. L'anneau brisé double est un article bien connu et bien pratique pour être utilisé en guise de porte clé ou bien pour d'autres applications telle qu'accastillage en nautisme, attache pour extraction ou mise en place d'ergots, ou même pouvant servir de goupille de sécurité, ...etc. L'anneau brisé double est généralement constitué de deux spires 10 hélicoïdales jointives en formant un anneau maintenu énergiquement fermé grâce au matériau élastique qui le constitue en acier ou autre matériau élastique. Pour l'accrochage d'une clé ou de tout autre objet à cet anneau brisé, il suffit d'écarter suffisamment l'une des extrémités des spires pour l'enfiler dans l'orifice de la clé ou de tout autre objet. On fait coulisser ensuite l'objet le long des spires jusqu'à ce que l'autre extrémité de celles-ci soit 15 dégagée de cet objet. En final, la section totale de l'anneau se retrouve piégée dans l'orifice d'accrochage de la clé ou de tout autre objet. La difficulté bien connue est d'écarter l'extrémité des spires qui sont jointives et fermement maintenues serrées par leur rigidité. Quelquefois ces extrémités légèrement chanfreinées pour faciliter l'introduction de la clé ou tout autre objet, peuvent également 20 occasionner une blessure lors de cette opération délicate. La présente invention permet précisément d'effectuer par un simple pincement des doigts, l'ouverture de l'anneau brisé de manière autonome, sans effort, sans risque de se blesser et sans l'aide d'outil. The present invention relates to a double broken ring which can be opened or removed quickly by simple pinching. The double broken ring is a well-known and handy item to be used as a key ring or for other applications such as nautical splicing, attachment for extraction or placement of spurs, or even serving safety pin, ... etc. The double broken ring generally consists of two contiguous helical turns forming a ring kept energetically closed by the elastic material which constitutes it in steel or other elastic material. For the attachment of a key or other object to this broken ring, just enough apart one of the ends of the turns to thread into the hole of the key or any other object. The object is then slid along the turns until the other end thereof is clear of this object. Finally, the total section of the ring is trapped in the hooking hole of the key or any other object. The well known difficulty is to remove the ends of the turns which are joined and firmly held tight by their rigidity. Sometimes these slightly chamfered ends to facilitate the introduction of the key or any other object, can also cause injury during this delicate operation. The present invention makes it possible precisely to perform, by a simple pinching of the fingers, the opening of the broken ring autonomously, without effort, without risk of injury and without the aid of tools.

25 DESCRIPTION TECHNIQUE 25 TECHNICAL DESCRIPTION

L'anneau brisé double à ouverture ou extraction par pincement selon l'invention montré comme exemple sur les Fig.l et Fig.2, comprend, comme tout anneau brisé double, deux spires enroulées jointivement Rep.l et Rep.2. L'une des spires possède en décalage 30 angulaire par rapport à l'une de ses extrémités une déformation locale telle un bossage ou excroissance Rep.3 et telle que l'autre spire y reste localement appuyée créant un espacement Rep.4 entre ces deux spires sur une certaine longueur. Lorsque l'opérateur pince avec ses doigts l'anneau à l'arrière de l'excroissance, par effet de bras de levier le 1 I 2 2961069 segment d'anneau situé à l'avant Rep.5 du point local d'appui, bascule naturellement 35 occasionnant ainsi l'écartement de la spire en son extrémité pour faciliter l'introduction de la clé ou de tout autre objet. Dans le cas d'anneau de forte dimension le pincement peut être assuré par un outillage tel une pince. The double broken ring with opening or pinch extraction according to the invention shown as an example in FIGS. 1 and 2, comprises, like any double broken ring, two turns wound together Rep.l and Rep.2. One of the turns has an angular offset with respect to one of its ends a local deformation such a boss or protrusion Rep.3 and such that the other turn remains locally supported creating a Rep.4 spacing between these two turns over a certain length. When the operator pinches with his fingers the ring at the rear of the protrusion, by levering the ring segment located at the front Rep.5 of the local point of support, flip naturally 35 thus causing the spacing of the coil at its end to facilitate the introduction of the key or any other object. In the case of large ring pinch can be provided by a tool such as a clamp.

Dans une variante montrée sur la Fig.3 le bossage ou excroissance localisée sur une des 40 spires est remplacé par un insert Rep.6 rapporté par soudure ou fixé par tout autre moyen ou bien pouvant être amovible et assurant de la même façon la fonction de bascule du segment situé à l'avant du bossage lorsque l'opérateur pince l'anneau à l'arrière de celui-ci. In a variant shown in FIG. 3, the boss or protrusion localized on one of the 40 turns is replaced by an insert Rep. 6 reported by welding or fixed by any other means or can be removable and similarly providing the function of rocker of the segment located at the front of the boss when the operator pinches the ring at the rear of the latter.

Claims

REVENDICATIONS1. Double broken ring with opening or rapid extraction by pinching comprising two contiguous turns Rep.l and Rep.2 and firmly held tight by their rigidity thanks to the elastic material which constitutes it in steel or other elastic material, characterized by a local deformation such as a boss or protrusion Rep.3, located on one of the turns angularly offset with respect to one of its ends, and such that the other turn remaining locally pressed creates a spacing Rep.4 between these two turns on a certain length, thus when one comes to pinch with his fingers the ring at the rear of the outgrowth, or in the case of ring of large dimension using a tool such as a clamp, by effect of lever arm, the segment located in front of the local support point Rep.5 flip naturally causing the separation of the coil at its end to facilitate the introduction of the key or other object to hang.

2. Double broken ring with opening or quick pinch extraction according to claim 1 characterized by a Rep.6 insert reported by welding or fixed by any other means or can be removable, located on one of the turns, instead of 20 and place of the boss, similarly providing the rocker function of the segment at the front of the boss when the operator pinches the ring at the rear of the boss