EP1126109A1 - Security handcuff - Google Patents
Security handcuff Download PDFInfo
- Publication number
- EP1126109A1 EP1126109A1 EP01420040A EP01420040A EP1126109A1 EP 1126109 A1 EP1126109 A1 EP 1126109A1 EP 01420040 A EP01420040 A EP 01420040A EP 01420040 A EP01420040 A EP 01420040A EP 1126109 A1 EP1126109 A1 EP 1126109A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flanges
- pawl
- sector
- notched
- safety
- 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.)
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- 125000006850 spacer group Chemical group 0.000 claims description 9
- 230000000295 complement effect Effects 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241000282461 Canis lupus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B75/00—Handcuffs ; Finger cuffs; Leg irons; Handcuff holsters; Means for locking prisoners in automobiles
Definitions
- the invention relates to the technical sector of handcuffs in the form two bracelets linked by a chain and intended to be passed around the wrist especially of an individual.
- a handcuff in a manner perfectly known to a person skilled in the art, includes a half bracelet extended by a locking sector notched serving as a rack. One end of this half bracelet, located opposite the locking sector, is pivoted freely between two profiled flanges which form another half bracelet complementary to the first. Between the profiled flanges, opposite the articulation of the locking half-bracelet is mounted, in particular by riveting, an intermediate body receiving a pawl in a circular sector sliding under the pressure of a spring to cooperate with the rack. This ratchet cooperates with a control means to release the rack and a cylinder lock with a means for blocking said pawl engaged with the House warming party. These flanges also receive an attachment pin of a connecting member between two handcuffs.
- the problem that the invention proposes to solve is to further improve the safety and prevent unauthorized opening of the handcuff using any external tool, such as a knife blade, razor blade, paper clip, etc., and likely to be introduced at the level of certain targeted parts of the handcuff to act accordingly on organs allowing its opening.
- the problem which the invention proposes to solve is to make this type of handcuff inviolable, even under the effect of use and / or the introduction of an unauthorized tool.
- one of the particular problems that arises proposes to resolve the invention is in particular to prohibit the use of small thin blades such as razor blades, which can be slid at one of the faces of the notched sector of the locking bracelet, in order to press on the ratchet, and possibly allow the opening of the handcuff.
- the pawl has a toothing whose thickness is less than that of the rack of the notched sector to be located below the plane defined by said sector so as to prevent access to the pawl by pressing a external organ.
- the pawl has at its teeth a clearance formed on each of its lateral faces.
- Another problem which the invention proposes to solve is to prohibit the use of a small metal rod of the paper clip type which could be introduced at the ratchet teeth to allow opening handcuff.
- the base of the pawl cooperates, at the level of the engagement of the rack of the notched sector, with a casing spacer fixed between the two flanges, the transverse field of said casing located in the extension of the ratchet teeth, having a notch making it impossible to slide a rod for access to said pawl.
- Another problem which the invention proposes to solve is to prohibit the breaking of the attachment pins by taking, for example, support with the links of the chain on the pins themselves.
- the pin has a groove extended by a stepped reach for its mounting in arrangements complementary to the flanges, said groove being connected by a radius of curvature to a head which appears outside of said flanges and which is transversely pierced through and through for the engagement of a ring of the connecting member, in the form of a chain.
- the fittings complementary flanges for mounting these pins are constituted by a reinforcement obtained during the stamping of the flanges.
- radius formed at the throat eliminates any risk breaking angle and reinforces this strategic area of the trunnions.
- the head is constituted by a cylindrical body whose the free end, opposite to that located on the side of the flanges, has a spherical cap.
- Another problem which the invention proposes to solve is improve the connection of the two flanges at their joint.
- the articulation axis of the locking is in one piece and has a circular central engagement engaged freely in a corresponding hole formed in the thickness of said sector and, on either side of said central span, two lateral spans circulars of smaller diameter to be freely engaged in the thickness of the flanges by being stamped there.
- Another problem which the invention proposes to solve is to reduce the weight of the entire handcuff, without however reducing its resistance.
- the flanges and the locking sector in particular are made of aluminum or aluminum alloy.
- the handcuff comprises a half-strap (1) extended by a notched locking sector (1a), acting as a rack. Opposite the notched sector, the half-strap (1) is mounted, with the capacity for free pivoting, between two profiled flanges (2 and 3) forming a half-strap complementary to the first.
- the notched sector (1a) acts as a rack of the "wolf tooth” type, the teeth of which are oriented to cooperate, in one direction, with corresponding teeth (4a) established in a reverse orientation, d '' a ratchet (4).
- the pawl (4) is mounted in internal arrangements that have the flanges (2) and (3) being subject to the barrel (5a) of a lock (5).
- the pawl (4) is housed with play in a opening (6a) of an intermediate piece (6) fixed between the two flanges (2) and (3) at an enlarged part (2a) and (3a) of the latter.
- the end tooth (4a) of the pawl is in constant abutment against the rack (la) of the half bracelet (1) under the thrust of a spring (7).
- the spring is housed in an internal recess (4d) of the pawl, taking support directly, or through an added element, in the bottom of the opening (6a) of the intermediate piece (6).
- the insert (6) is suitably shaped to match the shape of the widened parts (2a) and (3a) flanges (3) and to correspond to the radius of curvature of the rack (1a) of the half-bracelet (1).
- the whole of the half-bracelet (1) cooperates by the toothing (1a) acting as rack, with the teeth (4) of the pawl, being engaged between the flanges (2) and (3).
- the half bracelet and the pawl (4) have the same thickness.
- the width or the thickness (4a) of the teeth of the pawl (4) is less than the thickness of the notched sector (1a) to be located below the defined plane by the latter.
- this reduction in the thickness of the toothing (4a) of the pawl (4) is obtained by a clearance (4c) formed in each of the lateral faces of the pawl, at the level of the teeth (4a) and connected to the body of said pawl by a 45 ° chamfer (4e).
- the base of the pawl (4) cooperates, at the level of the engagement of the rack (1a) of the notched sector (1), with a spacer casing (8) fixed between the two flanges (2) and (3) at their widened part (2a) and (3a).
- This spacer casing (8) is the same thickness as the intermediate plate (6).
- this spacer casing (8) can be an integral part of the part (6) and is detached from the latter by a cutting operation.
- the transverse field of the casing (8) located substantially in the extension of the teeth of the pawl has a notching (8a).
- the notching (8a) of the spacer casing makes it impossible the sliding of a paperclip-like metal rod, so that it is not possible to press the pawl (4) thus preventing the opening of the handcuff.
- the barrel (Sa) of the lock (5) is housed and indexed angularly in a complementary imprint that presents the part enlarged of each of the flanges (2a) and (3a) while being positioned between the casing spacer (8) and the edge of the intermediate plate (6).
- the barrel (5a) of the lock (5) may have an eccentric finger of locking capable of cooperating with a notch (4c) that the external field of the pawl (4).
- the articulation of the half-bracelet (1) by relative to the flanges (2) and (3) is effected by a transverse axis (9).
- this axis (9) is in one piece delimiting a central scope circular (9a) freely engaged in a corresponding hole (1b) formed in the thickness of the locking half-bracelet (1).
- the axis (9) On either side of the circular central bearing (9a), the axis (9) has two lateral bearing surfaces (9b) and (9c) of diameter smaller than that of the central bearing (9a), to be freely engaged in two holes (2b) and (3b) formed at the end corresponding flanges (2) and (3).
- the protruding ends of surfaces (9b) (9c) are stamped to ensure the translational locking of the axis (9).
- This embodiment of the hinge pin (9) stiffens the set of two flanges by limiting the possible presence of games lateral. Manufacturing costs are also reduced.
- the entire handcuff is equipped with a attachment pin (10), of a connecting member in the form in particular of a chain (11).
- the pin (10) has a groove (10a) extended by a supported shoulder (10b) cooperating with arrangements complementary to the widest parts (2a) and (3a) of the flanges (2) and (3), and the intermediate plate (6).
- the groove (10a) is connected by a radius of curvature (10c) with head (10d) which appears outside the flanges (2) and (3). This head (10d) is pierced transversely right through part for the engagement of a ring (11a) of the chain (11).
- the head (10d) consists of a cylindrical body whose end free opposite to that located on the side of the flanges, has a cap spherical (10th).
- the radius of connection of the inner groove with the head eliminates any risk of rupture and strengthens this strategic area, thus significantly improving the rigidity of the journal. As indicative, in no way limiting, this radius is at least 0.8 mm.
- the assembly of the different elements between them of the handcuff, in particular flanges (2) and (3), the intermediate plate (6) and the casing spacer (8), is carried out by any known and appropriate means, and in particular by riveting.
- the flanges (2) and (3) are advantageously made of aluminum or aluminum alloy. According to the invention, it is the same for the half bracelet lock (1) which is no longer made of steel, as was traditionally the case, but also aluminum or alloy aluminum, which significantly reduces the weight of the entire handcuff, without affecting rigidity and solidity of the whole.
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Abstract
Description
L'invention se rattache au secteur technique des menottes sous forme de deux bracelets reliés par une chaínette et destinés à être passés autour du poignet notamment d'un individu.The invention relates to the technical sector of handcuffs in the form two bracelets linked by a chain and intended to be passed around the wrist especially of an individual.
D'une manière parfaitement connue pour un homme du métier, une menotte comprend un demi-bracelet prolongé par un secteur de verrouillage cranté faisant office de crémaillère. Une extrémité de ce demi-bracelet, située à l'opposé du secteur de verrouillage, est axée à libre pivotement entre deux flasques profilés qui forment un autre demi-bracelet complémentaire au premier. Entre les flasques profilés, à l'opposé de l'articulation du demi-bracelet de verrouillage, est monté, notamment par rivetage, un corps intercalaire recevant un cliquet en secteur circulaire coulissant sous la poussée d'un ressort pour coopérer avec la crémaillère. Ce cliquet coopère avec un moyen de commande pour libérer la crémaillère et une serrure à barillet avec un moyen de blocage dudit cliquet en prise avec la crémaillère. Ces flasques reçoivent en outre un tourillon d'attache d'un organe de liaison entre deux menottes.In a manner perfectly known to a person skilled in the art, a handcuff includes a half bracelet extended by a locking sector notched serving as a rack. One end of this half bracelet, located opposite the locking sector, is pivoted freely between two profiled flanges which form another half bracelet complementary to the first. Between the profiled flanges, opposite the articulation of the locking half-bracelet is mounted, in particular by riveting, an intermediate body receiving a pawl in a circular sector sliding under the pressure of a spring to cooperate with the rack. This ratchet cooperates with a control means to release the rack and a cylinder lock with a means for blocking said pawl engaged with the House warming party. These flanges also receive an attachment pin of a connecting member between two handcuffs.
Ces caractéristiques ressortent avantageusement de l'enseignement du brevet FR 2.518.622.These characteristics advantageously emerge from the teaching of patent FR 2,518,622.
Ces menottes donnent totalement satisfaction sur le plan de la sécurité et quant à leur manipulation.These handcuffs are completely satisfactory in terms of safety and handling.
Toutefois, à partir de cette conception de base de la menotte, le problème que se propose de résoudre l'invention est d'améliorer encore la sécurité et empêcher toute ouverture non autorisée de la menotte en utilisant tout outil extérieur, du type lame de couteau, lame de rasoir, trombone...., et susceptible d'être introduit au niveau de certaines parties ciblées de la menotte pour agir en conséquence sur des organes permettant son ouverture. Autrement dit, le problème que se propose de résoudre l'invention, est de rendre inviolable ce type de menotte, y compris sous l'effet de l'utilisation et/ou de l'introduction d'un outil non autorisé.However, from this basic design of the handcuff, the problem that the invention proposes to solve is to further improve the safety and prevent unauthorized opening of the handcuff using any external tool, such as a knife blade, razor blade, paper clip, etc., and likely to be introduced at the level of certain targeted parts of the handcuff to act accordingly on organs allowing its opening. In other words, the problem which the invention proposes to solve is to make this type of handcuff inviolable, even under the effect of use and / or the introduction of an unauthorized tool.
A partir de ce problème général, un des problèmes particuliers que se propose de résoudre l'invention, est notamment d'interdire l'usage de petites lames fines du type lames de rasoir, susceptibles d'être glissées au niveau de l'une des faces du secteur cranté du bracelet de verrouillage, afin d'appuyer sur le cliquet, et de permettre éventuellement l'ouverture de la menotte.From this general problem, one of the particular problems that arises proposes to resolve the invention, is in particular to prohibit the use of small thin blades such as razor blades, which can be slid at one of the faces of the notched sector of the locking bracelet, in order to press on the ratchet, and possibly allow the opening of the handcuff.
Pour résoudre un tel problème, le cliquet présente une denture dont
l'épaisseur est inférieure de celle de la crémaillère du secteur cranté pour
être située en dessous du plan défini par ledit secteur de manière à interdire
l'accès au cliquet par appui d'un organe externe.
Avantageusement, le cliquet présente au niveau de sa denture, un
dégagement formé sur chacune de ses faces latérales.To solve such a problem, the pawl has a toothing whose thickness is less than that of the rack of the notched sector to be located below the plane defined by said sector so as to prevent access to the pawl by pressing a external organ.
Advantageously, the pawl has at its teeth a clearance formed on each of its lateral faces.
Un autre problème que se propose de résoudre l'invention est d'interdire l'usage d'une petite tige métallique du type trombone qui pourrait être introduite au niveau de la denture du cliquet pour permettre l'ouverture de la menotte.Another problem which the invention proposes to solve is to prohibit the use of a small metal rod of the paper clip type which could be introduced at the ratchet teeth to allow opening handcuff.
Pour résoudre un tel problème, la base du cliquet coopère, au niveau de l'engagement de la crémaillère du secteur cranté, avec un carter d'entretoise fixé entre les deux flasques, le champ transversal dudit carter situé dans le prolongement de la denture du cliquet, présentant un crantage rendant impossible le glissement d'une tige pour un accès audit cliquet.To solve such a problem, the base of the pawl cooperates, at the level of the engagement of the rack of the notched sector, with a casing spacer fixed between the two flanges, the transverse field of said casing located in the extension of the ratchet teeth, having a notch making it impossible to slide a rod for access to said pawl.
Un autre problème que se propose de résoudre l'invention est d'interdire la rupture des tourillons d'attache en prenant par exemple appui avec les maillons de la chaíne sur les tourillons eux-mêmes.Another problem which the invention proposes to solve is to prohibit the breaking of the attachment pins by taking, for example, support with the links of the chain on the pins themselves.
Pour résoudre un tel problème, le tourillon présente une gorge prolongée par une portée épaulée pour son montage dans dès agencements complémentaires des flasques, ladite gorge étant raccordée par un rayon de courbure à une tête qui apparaít à l'extérieur desdits flasques et qui est percée transversalement de part en part pour l'engagement d'un anneau de l'organe de liaison, sous forme d'une chaínette. Les agencements complémentaires des flasques pour le montage de ces tourillons sont constitués par un renfort obtenus lors de l'emboutissage des flasques.To solve such a problem, the pin has a groove extended by a stepped reach for its mounting in arrangements complementary to the flanges, said groove being connected by a radius of curvature to a head which appears outside of said flanges and which is transversely pierced through and through for the engagement of a ring of the connecting member, in the form of a chain. The fittings complementary flanges for mounting these pins are constituted by a reinforcement obtained during the stamping of the flanges.
A noter que le rayon formé au niveau de la gorge élimine tout risque d'angle de rupture et renforce cette zone stratégique des tourillons.Note that the radius formed at the throat eliminates any risk breaking angle and reinforces this strategic area of the trunnions.
Pour résoudre le problème posé d'éviter aux anneaux de la chaíne de se bloquer par rapport à la tête du tourillon, et par conséquent de constituer une zone d'appui, la tête est constituée par un corps cylindrique dont l'extrémité libre, opposée à celle située du côté des flasques, présente une calotte sphérique. To solve the problem of avoiding the rings of the chain hang relative to the head of the journal, and therefore to constitute a support zone, the head is constituted by a cylindrical body whose the free end, opposite to that located on the side of the flanges, has a spherical cap.
Un autre problème que se propose de résoudre l'invention est d'améliorer la liaison des deux flasques au niveau de leur articulation.Another problem which the invention proposes to solve is improve the connection of the two flanges at their joint.
Pour résoudre ce problème, l'axe d'articulation du secteur de verrouillage est monobloc et présente une portée centrale circulaire engagée librement dans un trou correspondant formé dans l'épaisseur dudit secteur et, de part et d'autre de ladite portée centrale, deux portées latérales circulaires de diamètre inférieur pour être engagées librement dans l'épaisseur des flasques en y étant matricées.To solve this problem, the articulation axis of the locking is in one piece and has a circular central engagement engaged freely in a corresponding hole formed in the thickness of said sector and, on either side of said central span, two lateral spans circulars of smaller diameter to be freely engaged in the thickness of the flanges by being stamped there.
Un autre problème que se propose de résoudre l'invention, est de
diminuer le poids de l'ensemble de la menotte, sans pour autant diminuer sa
résistance.
Pour résoudre un tel problème, les flasques et le secteur de
verrouillage notamment, sont réalisés en aluminium ou alliage d'aluminium.Another problem which the invention proposes to solve is to reduce the weight of the entire handcuff, without however reducing its resistance.
To solve such a problem, the flanges and the locking sector in particular are made of aluminum or aluminum alloy.
L'invention est exposée ci-après plus en détail à l'aide des figures des dessins annexés dans lesquels :
- la figure 1 est une vue en perspective avant montage des principaux éléments constitutifs de la menotte ;
- la figure 2 est une vue en plan de la menotte, l'un des flasques étant enlevé ;
- la figure 3 est une vue en coupe transversale considérée selon la ligne 3-3 de la figure 2 ;
- la figure 4 est, à grande échelle, une vue de face du cliquet ;
- la figure 5 est une vue en plan correspondant à la figure 4 ;
- la figure 6 est, à grande échelle, une vue de face du carter entretoise ;
- la figure 7 est, à grande échelle, une vue de face du tourillon ;
- la figure 8 est, à une échelle plus importante, une vue en coupe transversale considérée selon la ligne 8-8 de la figure 2.
- Figure 1 is a perspective view before assembly of the main components of the handcuff;
- Figure 2 is a plan view of the handcuff, one of the flanges being removed;
- Figure 3 is a cross-sectional view taken along line 3-3 of Figure 2;
- Figure 4 is, on a large scale, a front view of the pawl;
- Figure 5 is a plan view corresponding to Figure 4;
- Figure 6 is, on a large scale, a front view of the spacer housing;
- Figure 7 is, on a large scale, a front view of the pin;
- FIG. 8 is, on a larger scale, a cross-sectional view taken along line 8-8 of FIG. 2.
Pour l'essentiel, la menotte comprend un demi-bracelet (1) prolongé
par un secteur de verrouillage cranté (1a), faisant office de crémaillère.
A l'opposé du secteur cranté, le demi-bracelet (1) est monté, avec
capacité de libre pivotement, entre deux flasques profilés (2 et 3) formant
un demi-bracelet complémentaire au premier. D'une manière connue, le
secteur cranté (1a) fait office de crémaillère du type "à dents de loup" dont
les dents sont orientées pour coopérer, dans un sens, avec des dents
correspondantes (4a) établies selon une orientation inverse, d'un cliquet (4).
Le cliquet (4) est monté dans des agencements internes que présentent les
flasques (2) et (3) en étant assujettis au barillet (5a) d'une serrure (5).Essentially, the handcuff comprises a half-strap (1) extended by a notched locking sector (1a), acting as a rack.
Opposite the notched sector, the half-strap (1) is mounted, with the capacity for free pivoting, between two profiled flanges (2 and 3) forming a half-strap complementary to the first. In a known manner, the notched sector (1a) acts as a rack of the "wolf tooth" type, the teeth of which are oriented to cooperate, in one direction, with corresponding teeth (4a) established in a reverse orientation, d '' a ratchet (4). The pawl (4) is mounted in internal arrangements that have the flanges (2) and (3) being subject to the barrel (5a) of a lock (5).
D'une manière connue, le cliquet (4) est logé avec jeu dans une ouverture (6a) d'une pièce intercalaire (6) fixée entre les deux flasques (2) et (3) au niveau d'une partie élargie (2a) et (3a) de ces derniers. L'extrémité dentée (4a) du cliquet est en appui constant contre la crémaillère (la) du demi-bracelet (1) sous la poussée d'un ressort (7). Par exemple, le ressort est logé dans un chambrage interne (4d) du cliquet en prenant appui directement, ou par l'intermédiaire d'un élément rapporté, dans le fond de l'ouverture (6a) de la pièce intercalaire (6).In a known manner, the pawl (4) is housed with play in a opening (6a) of an intermediate piece (6) fixed between the two flanges (2) and (3) at an enlarged part (2a) and (3a) of the latter. The end tooth (4a) of the pawl is in constant abutment against the rack (la) of the half bracelet (1) under the thrust of a spring (7). For example, the spring is housed in an internal recess (4d) of the pawl, taking support directly, or through an added element, in the bottom of the opening (6a) of the intermediate piece (6).
Comme le montre la figure 2 notamment, la pièce intercalaire (6) est convenablement profilée pour épouser la forme des parties élargies (2a) et (3a) des flasques (3) et pour correspondre au rayon de courbure de la crémaillère (1a) du demi-bracelet (1). Au moment de son pivotement, l'ensemble du demi-bracelet (1) coopère par la denture (1a) faisant office de crémaillère, avec la denture (4) du cliquet, en étant engagée entre les flasques (2) et (3). Le demi-bracelet et le cliquet (4) ont la même épaisseur.As shown in Figure 2 in particular, the insert (6) is suitably shaped to match the shape of the widened parts (2a) and (3a) flanges (3) and to correspond to the radius of curvature of the rack (1a) of the half-bracelet (1). At the time of its pivoting, the whole of the half-bracelet (1) cooperates by the toothing (1a) acting as rack, with the teeth (4) of the pawl, being engaged between the flanges (2) and (3). The half bracelet and the pawl (4) have the same thickness.
Selon une première caractéristique à la base de l'invention, la largeur
ou l'épaisseur (4a) de la denture du cliquet (4), est inférieure à l'épaisseur du
secteur cranté (1a) pour être située en dessous du plan défini par ce dernier.
Dans ces conditions, si une lame fine, du type lame de rasoir, est insérée à
plat entre l'une des faces du secteur cranté (1) et la face interne du flasque
correspondant, cette dernière ne pourra pas prendre appui sur la denture de
cliquet pour l'enfoncer et forcer ainsi l'ouverture de la menotte.
Avantageusement et comme le montrent les figures 3, 4 et 5, cette
diminution de l'épaisseur de la denture (4a) du cliquet (4) est obtenue par un
dégagement (4c) formé dans chacune des faces latérales du cliquet, au
niveau de la denture (4a) et raccordé au corps dudit cliquet par un chanfrein
à 45° (4e).According to a first characteristic at the base of the invention, the width or the thickness (4a) of the teeth of the pawl (4), is less than the thickness of the notched sector (1a) to be located below the defined plane by the latter. Under these conditions, if a thin blade, of the razor blade type, is inserted flat between one of the faces of the notched sector (1) and the internal face of the corresponding flange, the latter will not be able to bear on the teeth of ratchet to push it in and force the opening of the handcuff.
Advantageously and as shown in FIGS. 3, 4 and 5, this reduction in the thickness of the toothing (4a) of the pawl (4) is obtained by a clearance (4c) formed in each of the lateral faces of the pawl, at the level of the teeth (4a) and connected to the body of said pawl by a 45 ° chamfer (4e).
La base du cliquet (4) coopère, au niveau de l'engagement de la crémaillère (1a) du secteur cranté (1), avec un carter d'entretoise (8) fixé entre les deux flasques (2) et (3) au niveau de leur partie élargie (2a) et (3a). Ce carter entretoise (8) est de même épaisseur que la plaque intercalaire (6). Du reste et comme l'enseigne le brevet FR 2.518.622, ce carter entretoise (8) peut faire partie intégrante de la pièce (6) et est détaché de cette dernière par une opération de découpage. The base of the pawl (4) cooperates, at the level of the engagement of the rack (1a) of the notched sector (1), with a spacer casing (8) fixed between the two flanges (2) and (3) at their widened part (2a) and (3a). This spacer casing (8) is the same thickness as the intermediate plate (6). Moreover, as the patent FR 2,518,622 teaches, this spacer casing (8) can be an integral part of the part (6) and is detached from the latter by a cutting operation.
Suivant l'invention, le champ transversal du carter (8) situé sensiblement dans le prolongement de la denture du cliquet présente un crantage (8a). Après engrènement des dents de la crémaillère (1a) avec la denture du cliquet (4), le crantage (8a) du carter entretoise rend impossible le glissement d'une tige métallique du type trombone, de sorte qu'il n'est pas possible de venir appuyer sur le cliquet (4) interdisant ainsi l'ouverture de la menotte.According to the invention, the transverse field of the casing (8) located substantially in the extension of the teeth of the pawl has a notching (8a). After meshing of the teeth of the rack (1a) with the teeth of the pawl (4), the notching (8a) of the spacer casing makes it impossible the sliding of a paperclip-like metal rod, so that it is not possible to press the pawl (4) thus preventing the opening of the handcuff.
A noter que le barillet (Sa) de la serrure (5) est logé et indexé angulairement dans une empreinte complémentaire que présente la partie élargie de chacun des flasques (2a) et (3a) en étant positionné entre le carter entretoise (8) et le bord de la plaque intercalaire (6). D'une manière connue, le barillet (5a) de la serrure (5) peut présenter un doigt excentrique de verrouillage apte à coopérer avec une échancrure (4c) que présente le champ extérieur du cliquet (4).Note that the barrel (Sa) of the lock (5) is housed and indexed angularly in a complementary imprint that presents the part enlarged of each of the flanges (2a) and (3a) while being positioned between the casing spacer (8) and the edge of the intermediate plate (6). In a known way, the barrel (5a) of the lock (5) may have an eccentric finger of locking capable of cooperating with a notch (4c) that the external field of the pawl (4).
Selon une autre caractéristique, l'articulation du demi-bracelet (1) par rapport aux flasques (2) et (3), s'effectue par un axe transversal (9). Selon l'invention, cet axe (9) est monobloc en délimitant une portée centrale circulaire (9a) engagée librement dans un trou correspondant (1b) formé dans l'épaisseur du demi-bracelet de verrouillage (1). De part et d'autre de la portée centrale circulaire (9a), l'axe (9) présente deux portées latérales (9b) et (9c) de diamètre inférieur à celui de la portée centrale (9a), pour être engagées librement dans deux trous (2b) et (3b) formés à l'extrémité correspondante des flasques (2) et (3). Les extrémités débordantes des portées (9b) (9c) sont matricées pour assurer le blocage en translation de l'axe (9). Cette forme de réalisation de l'axe d'articulation (9) rigidifie l'ensemble des deux flasques en limitant la présence éventuelle de jeux latéraux. Les coûts de fabrication sont également diminués.According to another characteristic, the articulation of the half-bracelet (1) by relative to the flanges (2) and (3), is effected by a transverse axis (9). According to the invention, this axis (9) is in one piece delimiting a central scope circular (9a) freely engaged in a corresponding hole (1b) formed in the thickness of the locking half-bracelet (1). On either side of the circular central bearing (9a), the axis (9) has two lateral bearing surfaces (9b) and (9c) of diameter smaller than that of the central bearing (9a), to be freely engaged in two holes (2b) and (3b) formed at the end corresponding flanges (2) and (3). The protruding ends of surfaces (9b) (9c) are stamped to ensure the translational locking of the axis (9). This embodiment of the hinge pin (9) stiffens the set of two flanges by limiting the possible presence of games lateral. Manufacturing costs are also reduced.
D'une manière connue, l'ensemble de la menotte est équipé d'un tourillon d'attache (10), d'un organe de liaison sous forme notamment d'une chaíne (11). Selon l'invention, le tourillon (10) présente une gorge (10a) prolongée par une portée épaulée (10b) coopérant avec des agencements complémentaires des parties de plus grande largeur (2a) et (3a) des flasques (2) et (3), et de la plaque intercalaire (6). La gorge (10a) est raccordée par un rayon de courbure (10c) à tête (10d) qui apparaít à l'extérieur des flasques (2) et (3). Cette tête (10d) est percée transversalement de part en part pour l'engagement d'un anneau (11a) de la chaínette (11).In a known manner, the entire handcuff is equipped with a attachment pin (10), of a connecting member in the form in particular of a chain (11). According to the invention, the pin (10) has a groove (10a) extended by a supported shoulder (10b) cooperating with arrangements complementary to the widest parts (2a) and (3a) of the flanges (2) and (3), and the intermediate plate (6). The groove (10a) is connected by a radius of curvature (10c) with head (10d) which appears outside the flanges (2) and (3). This head (10d) is pierced transversely right through part for the engagement of a ring (11a) of the chain (11).
La tête (10d) est constituée par un corps cylindrique dont l'extrémité libre opposée à celle située du côté des flasques, présente une calotte sphérique (10e). Le rayon de raccordement de la gorge intérieure avec la tête, élimine tout risque de rupture et renforce cette zone stratégique, améliorant ainsi, d'une manière importante, la rigidité du tourillon. A titre indicatif, nullement limitatif, ce rayon est d'au moins 0,8 mm.The head (10d) consists of a cylindrical body whose end free opposite to that located on the side of the flanges, has a cap spherical (10th). The radius of connection of the inner groove with the head, eliminates any risk of rupture and strengthens this strategic area, thus significantly improving the rigidity of the journal. As indicative, in no way limiting, this radius is at least 0.8 mm.
A noter également que les agencements de positionnement de la gorge (10a) et de la portée (10b) de l'axe tourillon (10), au niveau des flasques (2) et (3), sont obtenus par un renfort obtenu lors de l'emboutissage desdits flasques.Note also that the positioning arrangements of the groove (10a) and the bearing surface (10b) of the journal pin (10), at the level of the flanges (2) and (3), are obtained by a reinforcement obtained during stamping said flanges.
L'assemblage des différents éléments entre eux de la menotte, notamment des flasques (2) et (3), de la plaque intercalaire (6) et du carter entretoise (8), s'effectue par tout moyen connu et approprié, et notamment par rivetage.The assembly of the different elements between them of the handcuff, in particular flanges (2) and (3), the intermediate plate (6) and the casing spacer (8), is carried out by any known and appropriate means, and in particular by riveting.
Les flasques (2) et (3) sont avantageusement en aluminium ou en alliage d'aluminium. Selon l'invention, il en est de même du demi-bracelet de verrouillage (1) qui n'est plus en acier, comme cela était traditionnellement le cas, mais également en aluminium ou en alliage d'aluminium, ce qui permet de diminuer, d'une manière significative, le poids de l'ensemble de la menotte, sans pour autant nuire à la rigidité et à la solidité de l'ensemble.The flanges (2) and (3) are advantageously made of aluminum or aluminum alloy. According to the invention, it is the same for the half bracelet lock (1) which is no longer made of steel, as was traditionally the case, but also aluminum or alloy aluminum, which significantly reduces the weight of the entire handcuff, without affecting rigidity and solidity of the whole.
Les avantages ressortent bien de la description, en particulier on souligne et on rappelle :
- l'impossibilité d'avoir accès au cliquet pour obtenir le déverrouillage et l'ouverture de la menotte ;
- la conception des tourillons d'attache augmentant leur rigidité et interdisant tout appui ;
- la conception monobloc de l'axe d'articulation ;
- la diminution du poids ;
- l'augmentation générale de la sécurité obtenue.
- the impossibility of having access to the pawl to obtain the unlocking and the opening of the handcuff;
- the design of the attachment pins increasing their rigidity and preventing any support;
- the one-piece design of the hinge pin;
- weight reduction;
- the general increase in security obtained.
Claims (8)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0002212 | 2000-02-17 | ||
| FR0002212A FR2805304B1 (en) | 2000-02-17 | 2000-02-17 | SAFETY HANDCUFFS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1126109A1 true EP1126109A1 (en) | 2001-08-22 |
Family
ID=8847270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01420040A Withdrawn EP1126109A1 (en) | 2000-02-17 | 2001-02-16 | Security handcuff |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1126109A1 (en) |
| FR (1) | FR2805304B1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1572262A (en) * | 1923-08-14 | 1926-02-09 | Harrington & Richardson Arms C | Handcuff |
| GB583610A (en) * | 1944-02-16 | 1946-12-23 | Peerless Handcuff Company | Improvements in and relating to handcuffs |
| FR2518622A1 (en) * | 1981-12-17 | 1983-06-24 | Rivolier Pere Et Fils | Pair of hand cuffs - incorporates mounting for lock which is pressed from single metal sheet |
-
2000
- 2000-02-17 FR FR0002212A patent/FR2805304B1/en not_active Expired - Lifetime
-
2001
- 2001-02-16 EP EP01420040A patent/EP1126109A1/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1572262A (en) * | 1923-08-14 | 1926-02-09 | Harrington & Richardson Arms C | Handcuff |
| GB583610A (en) * | 1944-02-16 | 1946-12-23 | Peerless Handcuff Company | Improvements in and relating to handcuffs |
| FR2518622A1 (en) * | 1981-12-17 | 1983-06-24 | Rivolier Pere Et Fils | Pair of hand cuffs - incorporates mounting for lock which is pressed from single metal sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2805304B1 (en) | 2002-05-10 |
| FR2805304A1 (en) | 2001-08-24 |
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