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Publication numberEP0070230 B1
Publication typeGrant
Application numberEP19820401265
Publication date10 Apr 1985
Filing date6 Jul 1982
Priority date9 Jul 1981
Also published asDE70230T1, DE3262978D1, EP0070230A1, US4438659
Publication number1982401265, 82401265, 82401265.2, EP 0070230 B1, EP 0070230B1, EP-B1-0070230, EP0070230 B1, EP0070230B1, EP19820401265, EP82401265
InventorsAndré Desplats
ApplicantTractel S.A.
Export CitationBiBTeX, EndNote, RefMan
External Links: Espacenet, EP Register
Declutching mechanism for a hauling apparatus through which runs a cable
EP 0070230 B1
Abstract  available in
Images(1)
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Claims(3)
1. Declutching mechanism for a hauling apparatus acting on a cable by two self locking jaws, comprising a declutching lever (7) cooperating with the hauling lever (2) of the apparatus and intended to be actuated for moving this hauling lever in a direction providing simultaneous opening of the two jaws and a locking system selectively preventing actuation of the declutching lever, characterized by the fact that the declutching lever (7) has at its end an oblong slit (6) for cooperation with a pin (5) on the hauling lever (2) and is firmly secured at its rear end to a control handle (8) which, when pushed by a hand of the user, imparts to the declutching lever a longitudinal movement along the axis of the apparatus when the other hand of the user acts at the same time on a bolt (9) remote from the handle (8) and cooperating with a second oblong longitudinal slit (11) in the intermediate part of the declutching lever.
2. Mechanism according to claim 1, characterized by the fact that the bolt (9) is transversely mounted for pivoting in openings in the casing (1) of the apparatus and comprises actuating members (10) externally to the casing, the bolt (9) being disposed inside said second oblong slit (11) and being pivotable against the action of a spring (14) between a locking position in which it retains a shoulder (12) of the second oblong slit (11) and a release position in which it comes into the axis of a part (13) of reduced width of said second oblong slit, allowing longitudinal movement of the declutching lever (7).
3. Mechanism according to claim 1, or claim 2, characterized by the fact that the declutching control handle (8) has a rear part whose shape allows it to be actuated by the palm of the hand of the user, whereas its front part is shaped for convenient gripping by the fingers of the user for carrying the apparatus.
Description  translated from French
  • [0001] [0001]
    L'invention concerne les appareils de traction agissant sur un câble par deux pinces auto-serreuses à mouvements alternatifs inverses pour assurer le halage et le déhalage du câble. The invention relates to traction devices acting on a cable two self-nut runners clips inverse reciprocating for hauling and moving the vessel of the cable. Elle concerne plus particulièrement la réalisation du mécanisme de débrayage qui assure l'ouverture simultanée des deux pièces pour permettre l'introduction du câble dans l'appareil ou son retrait. It more particularly the implementation of the release mechanism which ensures the simultaneous opening of the two parts to allow the introduction of the cable into the device or its withdrawal.
  • [0002] [0002]
    Un apparail de ce type est décrit par exemple au FR-A-914 400 ou FR-E-94 971. Dans ce genre d'appareil, l'opération de débrayage s'obtient en agissant sur le point milieu du levier dit de déhalage ou de marche-arrière, ce levier étant relié à l'extrémité des biellettes de chaque pince. A tract of this type is described for example in FR-A-914 400 or FR-E-94 971. In this kind of device, the disengagement operation is obtained by acting on the midpoint of the lever said moving the vessel or reverse gear, said lever being connected to the end of the rods of each clip. L'action sur le levier de déhalage peut s'opérer, suivant les modes de réalisation, en poussant, en tirant, ou même entourant un organe appelé levier de débrayage dont le mouvement initial, convenablement transformé en translation dans la direction voulue, aboutira à l'ouverture simultanée des deux pièces. The action on the lever moving the vessel may operate, according to embodiments, pushing, pulling, or even surrounding a body called release lever whose initial movement, suitably transformed in translation in the desired direction, lead to the simultaneous opening of the two parts.
  • [0003] [0003]
    Dans un système de verrouillage interdisant sélectivement l'actionnement du levier de débrayage on doit actionnerd'une main l'organe mobile de sécurité et manoeuvrer simultanément de l'autre main le mécanisme de débrayage situés l'un près de l'autre pour provoquer le débrayage de l'appareil. In a locking system selectively preventing actuation of the declutching lever must actionnerd'une hand the movable safety and operate simultaneously on the other hand the clutch mechanism located near each other to cause the disengagement of the device.
  • [0004] [0004]
    L'invention a pour objet de rendre impossible la manoeuvre involontaire du levier de débrayage et, à cet effet, elle propose un mécanisme dont l'actionnement, au moins dans la phase initiale du mouvement, requiert l'usage simultané des deux mains de l'utilisateur en des endroits éloignés l'un de l'autre. The invention aims to make it impossible to maneuver the involuntary release lever and to this end, it proposes a mechanism actuation, at least in the initial phase of the movement, requires the simultaneous use of both hands of user in remote locations from each other. En effet, le mécanisme selon l'invention comprend d'une part un levier de débrayage solidaire à une extrémité d'un poignée de commande de débrayage et coopérant à son autre extrémité avec le point milieu du levier de déhalage de façon, en effectuant un mouvement longitudinal de translation consécutif à une poussée d'une main de l'utilisateur sur la poignée, à déplacer le point milieu du levier de déhalage dans la direction assurant l'ouverture simultanée des pinces et, d'autre part, un verrou rappelé par rapport dans une position dans laquelle il s'oppose audit déplacement longitudinal du levier de débrayage et destiné à être actionné par l'autre main de l'utilisateur pour autoriser le déplacement longitudinal du levier de débrayage. Indeed, the mechanism of the invention comprises firstly a release lever secured to one end of a clutch operation lever and cooperating at its other end with the middle point of the lever so moving the vessel, by carrying out a longitudinal movement of consecutive translation at a push of a user's hand on the handle to move the middle point of the lever moving the vessel in the direction providing simultaneous opening of the grippers and, on the other hand, a lock recalled by report in a position in which it is opposed to said longitudinal movement of the release lever and to be operated by the other hand of the user to allow longitudinal movement of the declutching lever.
  • [0005] [0005]
    La poignée de commande de débrayage présente une forme particulièrement étudiée en vue d'obtenir le résultat suivant: The clutch control handle is shaped specifically designed to obtain the following result:
    • a) permettre, par la forme de sa partie postérieure, d'exercer commodément, avec la paume de la main, la poussée nécessaire pour débrayer, et ce suivant une trajectoire adéquate, a) allow, for the shape of its back, to conveniently carry with the palm of the hand, the thrust necessary to disengage, and following a proper trajectory,
    • b) permettre, par le profilage de sa partie antérieure, de placer commodément les doigts en vue du portage de l'appareil; b) permitting, by profiling its anterior part, conveniently place fingers for the porting of the device; de plus la poignée est orientée de manière que le centre de gravité de l'appareil s'aligne naturellement dans le prolongement du bras de l'utilisateur. more the handle is oriented so that the camera's center of gravity is naturally aligned in the extension of the user's arm.
  • [0006] [0006]
    Pour bien faire comprendre le mécanisme, objet de la présente invention, on en décrira ci-après une forme d'exécution préférée en référence au dessin schématique annexé dans lequel: To drive the mechanism, the object of the present invention, there now follows a preferred embodiment with reference to the accompanying drawing in which:
    • la figure 1 est une vue de côté partielle d'un appareil de traction équipé d'un mécanisme de débrayage selon l'invention; Figure 1 is a partial side view of a traction device equipped with a release mechanism according to the invention;
    • la figure 2 est une vue transversale montrent le verrou équipé de ses organes d'actionnement latéraux; Figure 2 is a sectional view showing the lock fitted with its side actuators;
    • la figure 3 montre le verrou dans sa position interdisant le débrayage; Figure 3 shows the lock in its position preventing disengagement; et and
    • la figure 4 est une vue analogue à la figure 3, montrant le verrou contraint dans sa position autorisant le débrayage. Figure 4 is a view similar to Figure 3 showing the latch in its constrained position allowing the disengagement.
  • [0007] [0007]
    A la figure 1 on a représenté, à l'intérieur du carter 1 d'un appareil de traction, le levier de déhalage 2 présentant un axe 3 pour sa liaison aux biellettes de commande d'une pince (non représentée) et un axe 4 pour sa liaison aux biellettes de commande de l'autre pince (non représentée). In Figure 1 there is shown, inside of the casing 1 of a traction device, the lever moving the vessel 2 having an axis 3 for its connection to the control rods of a clamp (not shown) and a pin 4 for connection to control rods of the other clamp (not shown). A mi-distance entre les axes 3 et 4, le levier de déhalage 2 comporte un axe 5 logé dans une ouverture oblongue 6 de l'extrémité avant d'un levier de débrayage 7 monté pour pouvoir coulisser longitudinalement à l'intérieur du carter 1. L'extrémité arrière du levier de débrayage 7 est solidaire d'une poignée de commande de débrayage 8 destinée, par poussée d'une main de l'utilisateur, à coulisser longitudinalement entre les flasques du carter 1 en entraînant le levier de débrayage 7 dans la direction de la flèche A de façon que l'extrémité arrière de la fente oblongue 6 engage l'axe 5 du levier de déhalage 2 en déplaçant cet axe 5 vers la gauche et en assurant ainsi l'ouverture simultanée des deux pièces de l'appareil. Halfway between the axes 3 and 4, the lever moving the vessel 2 comprises a shaft 5 housed in an oblong opening 6 of the front end of a release lever 7 slidably mounted longitudinally within the casing 1 . The rear end of the release lever 7 is secured to a disengagement control handle 8 intended, by pushing a user's hand, sliding longitudinally between the flanges of the housing 1 by pulling the release lever 7 in the direction of arrow A so that the rear end of the longitudinal slot 6 engages the shaft 5 of the lever moving the vessel 2 of moving the axis 5 towards the left and thus ensuring the simultaneous opening of the two parts of the unit.
  • [0008] [0008]
    Dans le carter 1 est monté transversalement un verrou 9 conçu pour pouvoir pivoter autour d'un axe horizontal et qui présente extérieurement, voir figure 2, de chaque côté du carter 1, une pièce d'actionnement 10. Ce verrou 9 est disposé à l'intérieur de l'extrémité avant d'une autre ouverture oblongue longitudinale 11 du levier de débrayage 7, laquelle se poursuit, après un épaulement 12, par une partie 13 de largeur réduite qui est légèrement supérieure toutefois à la hauteur du verrou 9. A ce verrou 9 est associé un ressort 14 qui contraint celui-ci vers sa position haute, représentée aux figures 1 et 3, dans laquelle ce verrou retient l'épaulement 12 en empêchant le déplacement du levier de débrayage 7 dans la direction de la flèche A de la figure 1 et en interdisant alors le débrayage de l'appareil. In the casing 1 is transversely mounted a bolt 9 is designed to be pivotable about a horizontal axis and which has externally, see Figure 2, to each side of the housing 1, an actuating part 10. The latch 9 is arranged to Inside the front end of another longitudinal oblong opening 11 of the release lever 7, which continues, after a shoulder 12, by a portion 13 of reduced width which is slightly greater, however, than the height of the bolt 9. this latch 9 is associated with a spring 14 which forces it towards its upper position, shown in Figures 1 and 3, wherein the latch retains the shoulder 12 in preventing movement of the release lever 7 in the direction of arrow A of Figure 1 and thus preventing disengagement of the device.
  • [0009] [0009]
    On comprend que, pour pouvoir effectuer le débrayage de l'appareil, l'utilisateur devra avec une main appliquer une pression, dans la direction de la flèche B de la figure 4, sur l'une des pièces d'actionnement 10 du verrou 9 pourfaire pivoter celui-ci dans le sens horaire en le dégageant de l'épaulemennt 12 et en l'amenant, contre l'action du ressort 14, dans l'axe de la partie 13 de la fente 11 et, simultanément avec l'autre main, appliquer la poignée 8 qui permettra alors le déplacement du levier de débrayage 7 assurant l'ouverture simultanée des pinces. It is understood that, to perform the disengagement of the device, the user should with one hand to apply pressure in the direction of arrow B of Figure 4, on one of the actuating pieces 10 of the latch 9 pourfaire rotate it clockwise in the releasing of the épaulemennt 12 and feeding it, against the action of spring 14, the axis of the portion 13 of the slot 11, and simultaneously with the other hand, apply the grip 8 which will then allow the movement of the release lever 7 ensures the simultaneous opening of the grippers.
  • [0010] [0010]
    Le mécanisme selon l'invention, en nécessitant pour son actionnement des actions simultanées des deux mains de l'utilisateur, écarte pratiquement ainsi le risque d'un débrayage accidentel qui, dans ce type d'appareil, pourrait avoir des conséquences graves. The mechanism of the invention, requiring for its actuation simultaneous actions of both hands of the user, and virtually eliminates the risk of an accidental release, which in this type of device could have serious consequences. Comme on le voit, la poignée de commande de débrayage 8 présente une partie postérieure dont la forme est conçue pour permettre à l'utilisateur d'exercer commodément, avec la paume de la main et suivant une trajectoire adéquate, la poussée nécessaire pour débrayer. As shown, the clutch control handle 8 has a posterior whose shape is designed to allow the user to conveniently carry with the palm of the hand and following proper trajectory, the thrust required to disengage. La partie antérieure de cette poignée 8 est profilée pour permettre un placement commode des doigts de l'utilisateur pour le portage de l'appareil, l'orientation de cette poignée étant d'ailleurs prévue pour que, dans la position de portage, le centre de gravité de l'appareil s'aligne naturellement dans le prolongement du bras de l'utilisateur. The front part of the handle 8 is contoured to allow convenient placement of the user's fingers to carry the device, the orientation of the handle is also expected that in the carrying position, the center of gravity of the apparatus is naturally aligned in the extension of the user's arm.
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Classifications
International ClassificationB66D3/02, B25B25/00
Cooperative ClassificationY10T74/20648, Y10T74/20714, B66D3/02
European ClassificationB66D3/02
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