EP2124127A1 - Cable control mechanism with reduced overall dimensions, to be integrated in a seat armrest and provided with means for spontaneous locking in rest position - Google Patents

Abstract

The mechanism has a control lever (1) with a latch (7) interposed between the lever and a load-bearing structure (2) for locking the lever and the structure with each other. The latch is handled toward a locking position under effect of effort exerted by deformable units (8) constituted of a torsion spring (9) to oppose stress of the units and toward an inverse unlocking position releasing the lever from its locking position under the effect of maintaining movement of an operator on a monostable unit (11) of the stress of the units coupling with the latch by a mechanical connection (14).

Description

Technical Field of the Invention

The invention is in the field of cable control mechanisms of a remote body to maneuver, including applicable to civil engineering machinery or similar devices. It relates to such a cable control device with a small footprint, which is integrable into the armrest of a seat and / or is equipped with spontaneous locking means in the rest position.

State of the art

The control mechanisms by cable, rod or the like of a remote body to maneuver, implement a control lever which is manipulable by an operator and which is connected via one or more cables to organs remote to maneuver. The control is transmitted from the mobility of the joystick whose movements printed by the operator are transmitted to the cable, which in turn manipulates the remote body. These mechanisms are particularly applied to civil engineering machinery or similar machinery, such as forestry or agricultural machinery. The handle is more particularly articulated on a frame or a housing housing the mechanism, and has at its proximal end a gripping handle by the operator for its manipulation. The cable or cables are anchored on the handle, so that a movement printed on the handle by the operator causes traction on a corresponding cable, which in turn manipulates the remote body. Depending on the desired control capabilities, the joystick is articulated in one or more directions on the housing, or omnidirectionally. The controller is connected to different cables which are respectively assigned to each of the mobility directions of the joystick.

To optimize the control capabilities of the mechanism, it has been proposed to articulate the handle omnidirectionally on the housing and to connect to a plurality of operating cables of a respective remote member. The cables are maneuvered by the joystick depending on the direction of its handling. Incidentally, the mechanism is completed by control means of the electromechanical, electropneumatic and / or electronic type, to multiply the number of orders offered. For example, we can refer to the document FR2857762 (BIGNON ) which describes such a cable control mechanism.

A general problem posed lies in an organization of the cable control mechanisms with limited space to facilitate their integration into any site, without impairing their ability to control and / or securing their use.

According to a specific problem raised, it is desirable that the cable control mechanism can be integrated within the armrest of a seat, to improve the working conditions of the operator. The advantage of such integration is to bring the mechanism of the operator's hand comfortably installed in the seat. It is common for this purpose to use electromechanical or electronic control mechanisms, whose small size is used to facilitate the integration of the control mechanism inside the armrest. However, such control mechanisms are expensive, or are unsuitable for some applications.

The size of the cable control mechanisms makes it difficult to integrate them inside the armrest. This size implies not only a volume of the armrest made consequent, which is not ergonomic, but also involves specific arrangements that are likely to constitute an inconvenience for access to the seat by the operator. In particular, the cables are oriented vertically from the lever to the floor of the vehicle, with the consequence of having to arrange the armrest column housing the mechanism.

Such a column is an obstacle to easy access to the seat by the operator, as described by US4040499 (INT HARVESTER CO). To avoid such discomfort, it has been proposed to articulate the column on the floor and the armrest to allow its retraction and landing at the obstacle it is against easy access to the seat, as described by GB2390415 (BAMFORD EXCAVATORS LTD). However, the ergonomics of this solution is not satisfactory. It has also been proposed by JP58030849 (KOMATSU MFG CO LTD) a cable control mechanism, or similarly by rods, which is housed inside an armrest. The handle is articulated in a monodirectional manner on the armrest, and the rods extend horizontally from the lever towards the rear of the seat, zone in which the column is arranged. A return device is placed inside the column, the latter housing rods which extend vertically from the return device to the floor. The control possibilities offered by this mechanism are limited, and the manner of articulation of the joystick and the rods on the armrest imply a significant size of the mechanism, and specific arrangements of the armrest which are binding with regard to freedom offered for its layout.

According to another specific problem raised, it is desirable that the articulation of the lever on the housing is performed so that the operator can maneuver in the working position to at least one of the directions corresponding to a movement of the cables, and so that in the absence of such a maneuver, the joystick is spontaneously placed in the rest position. It is common to make such a setting in the rest position of the lever from the operation of return means, such as a resilient member or the like.

It is for example known to secure the use of the mechanism by equipping it with locking means of the handle in the rest position. Such locking means are operable by the operator when he no longer wishes to use the mechanism, to lock the handle in the rest position to prevent accidental operation.

It is also known control mechanisms of another type, such as electronically controlled, whose structure can easily organize such a security. For example, it is known electronic control mechanisms exploiting the principle of "dead man", wherein an absence of maintenance of the joystick by an operator involves a stop command of the operation of remote organs to maneuver. Such electronic control mechanisms have the advantage of optimizing their functionality for a small footprint, and in this case to allow easy securing of their use. However, these electronic control mechanisms are more expensive than cable control mechanisms. It follows from the standpoint of competitiveness an economic choice between an electronic control mechanism whose security is optimized, and a cable control mechanism whose conditions for securing their use are commonly reduced to a voluntary locking by the operator of the handle in the rest position.

If the security of the cable control mechanism deserves to be improved on the basis of an approach overcoming prejudices, the modalities of this securing must not affect its competitiveness with regard to similar control mechanisms of another type.

Object of the invention

An object of the present invention is to provide a control mechanism by at least one cable of at least one remote maneuvering member which is assigned to this cable, the available control and / or securing possibilities are optimized and whose organization gives it a small footprint structure that facilitates its implementation in any installation site.

Another object of the present invention is to provide such a cable control mechanism that is easily integrated into the armrest of a seat without being a cause of discomfort with easy access to the seat by an operator, this armrest being likely to be of any arrangement, including a thin armrest which is placed in elevation distant from the seating plane seat and / or which is retractable towards the back of the seat.

Another object of the present invention is to propose a cable control mechanism of a remote body to be maneuvered, which is equipped with means for securing the holding of the lever in the rest position to prevent its accidental and / or unwanted operation. by an operator. It is more particularly aimed at such a mechanism whose security is optimized, without overly complexifying its structure and without compromising the reliability and robustness of its operation, avoiding inducing additional costs prohibitive and limiting a possible increased congestion of the mechanism.

The mechanism of the present invention is a cable control mechanism of at least one remote body to maneuver. This mechanism comprises an axially extended control handle which is movably mounted on a supporting structure around at least one pivot axis. The handle is arranged at its proximal end as a gripping handle by an operator, for its operation in tilting along at least one direction between a rest position and at least one working position. The handle is in connection with at least one anchoring member of a control cable, to cause a maneuver of this cable as a result of a tilting of the handle around the corresponding pivot axis.

It will be noted at this stage of the description of the present invention that the joystick is capable of being operable to tilt indifferently omnidirectionally or in one or more concurrent and / or coplanar one-direction directions, and that at each of the tilting directions of the joystick corresponds to a respective rest position.

According to one aspect of the present invention, such a cable control mechanism is primarily recognizable in that the joystick is tiltable in respective monodirectional and concurrent directions around a plurality of pivot axes. The handle is in relation with a plurality of anchoring members of at least one respective cable assigned to a tilting direction of the joystick.

The handle is more pivotally mounted through the carrier structure in a plurality of concurrent directions of monodirectional tilting about respective pivot axes. The organization of the carrier structure into a plurality of guide members respectively assigned to a tilting direction of the joystick, optimizes the number of commands obtained and freely articulate the joystick tilting around each of the pivot axes. Such freedom offers an easy adaptation of the support structure according to the installation site of the mechanism, and in particular an armrest of a seat. The pivot axes are preferably placed in the same plane orthogonal to the axis of extension of the handle, being materialized by fingers, trunnions or similar members for a one-way tilting of the handle around a pivot finger corresponding, without increasing the size of the mechanism. In particular as referred to below, such pivot pins are capable of being articulated in a coplanar manner on a common frame of the mechanism, through corresponding guide members assigned to them respectively. One of the fingers may take a sliding bearing against the guide member assigned to the other finger, along a slide or the like. According to another preferred embodiment, such a sliding support is taken by the finger against a heel of an anchor of the corresponding cable. These arrangements make it possible to reduce as much as possible the bulk of the mechanism and more particularly the size of the arrangements for articulating the lever on the chassis, avoiding any mounting in a ball joint between the support and any one of the guide members while offering omni-directional mobility of the controller on the chassis.

The supporting structure is more particularly composed of a plurality of guide members tilting the joystick. Each of these guide members is articulated on a frame around a respective pivot axis. According to a non-preferred embodiment, the guide members can be successively articulated to each other in a stepped manner.

According to a first embodiment, the guide members are capable of being successively articulated in two-by-two stages. However, it is preferred another variant in which the guide members are each articulated on a fixed frame of the supporting structure, the individual link mobility of the handle with each of the guide members being a monodirectional connection in a respective direction of tilting. Such a link in one-way mobility is a link which allows a mobility of the lever on a guide member in a different direction of tilting than that for which the joystick is linked in mobility with this guide member. Such a preferred organization makes it possible to compact the support structure and to make reliable the mobility of the lever according to each of its tilt directions, while allowing easy adaptation of the mechanism according to the site intended for its installation. In addition, the articulation of the joystick around a plurality of monodirectional pivot axes does not hinder its omnidirectional general mobility.

The lever is preferably connected to each of the guide members via connection means in one-way mobility in a respective direction of tilting. These means of connection in one-way mobility are means which allows a mobility of the lever on a guide member in any other direction of tilting. The movable connection of the handle with a guide member is a monodirectional connection about a pivot axis of the guide member on the frame. This unidirectional link in failover corresponds to a link in mobility exclusively in a single direction in switchover of the joystick, that is to say a monodirectional mobility which allows a mobility of the lever independently of the guide member in another direction of tilting. This authorization allows the joystick to be mobile on the guide member despite their connection to one another in a given direction of tilting of the joystick. The joystick is thus linked in monodirectional mobility independently with several guide members in respective directions of tilting, while being freely movable with each of these guide members according to other tilting directions than that assigned to their connection.

The lever is in particular maneuverable tilting along two distinct directions. It will be understood that for the same direction of tilting, the lever is capable of being maneuverable in two directions on either side of a central zone of rest of the lever in the tilting direction considered. According to such an exemplary embodiment, the handle is pivotally mounted in a first direction of tilting on a first guide member itself pivotally mounted on the frame. The handle extends through a window that includes a second guide member pivotally mounted on the frame in a second direction of tilting. These arrangements correspond to the arrangement of first connecting means in one-way mobility between the handle and the first guide member.

The window is preferably extended transversely to the pivot axis of the first guide member on the frame by providing a circulation corridor of the lever in the first direction of tilting. These arrangements are such that the window does not form an obstacle to the operation of the lever in the first direction of tilting, and avoids an increase in the size of the mechanism for satisfactory guidance of the corresponding pivot axis. The lateral edges of the window constitute support members of the lever in the second direction of tilting. These arrangements correspond to the arrangement of second connecting means in one-way mobility between the handle and the second guide member.

According to an advantageous embodiment for reducing the bulk of the carrier structure, at least one guide member forms a receiving cage of at least one other guide member, so that the pivot axes of the guide members on the frame are able to be arranged in the same plane orthogonal to the axis of extension of the handle, especially in the rest position. More particularly, the extension of the pivot axes are coplanar, and oriented transversely to the axis of extension of the joystick, orthogonally in particular. To allow mobility of the lever following each of the pivot axes simultaneously, while further reducing the size of the terms of its articulation on the chassis or by analogy the carrier structure, at least one of the pivot axes takes a sliding support along a slide or the like provided on the anchoring member of the corresponding cable. It follows that not only the size of the cage and the guide members are restricted because of their orientation in the same plane, but also that this size is further reduced due to the gliding support of the axis pivoting on the corresponding anchoring member.

More particularly, the guide members are housed in each other, so that the overall size of the carrier structure substantially corresponds to the size of the terminal guide member hinged to the frame. This terminal guide member is the one designated as housing the one or more guide members. It follows that the various pivot pins, arranged in a finger, in a trunnion or the like, of the handle on the support structure can be contained in the same plane orthogonal to the axis of extension of the handle between its two ends, with for the benefit of minimizing the clutter of the mechanism. It will be understood that the pivot axes are ideally placed in the same plane orthogonal to the axis of extension of the lever in the rest position to limit the bulk of the carrier structure, but that a shift of these axes l With respect to each other in the extension direction of the joystick is nevertheless possible, such an offset may be chosen by the designer and used to adapt the carrier structure to the environment of the mechanism according to the installation site. Such an orientation coplanar pivot axes is obtained in particular with a small footprint thanks to the sliding support of one of the pivot fingers along the window, slide or the like, that includes an outer heel or the like which is equipped with guiding member assigned to the other pivot axis.

The grouping in the same volume of all the guide members interlocked with each other promotes a grouping of the anchoring zones of the cables on the support structure. These can be arranged close to each other to the nearest of the same plane, or ideally be arranged in the same plane, with the advantage of simplifying the organization of the emergence of the cables out of the mechanism. This simplification of the emergence of the cables makes it possible to facilitate the integration of the mechanism in any installation site, including in a site of restricted dimensions such as a column-free seat armrest before joining the floor and / or the seat. .

Preferably, the anchoring member of a cable is linked in mobility with a respective guide member, and is equipped with a return member of the guide member in the rest position. Such a rest position corresponds for example to a middle position of the lever between two operating directions in the same direction of tilting. The link in mobility between the anchoring member and the guide member to which it is assigned is indifferently a direct or indirect connection by means of an intermediate member, such as the pivot axis of the guide member.

According to a preferred embodiment, the mobility connection means between a first anchoring member and the first guide member are of the type by joining. The mobility connection means between a second anchoring member and the second guide member are in turn sliding key type to allow mobility of the handle and the corresponding anchoring member according to the first direction of tilting assigned to the first guide member.

The return member is preferably a compression spring interposed in opposing axial support between the anchoring member and the frame. According to an advantageous form optimizing the operation of the different mobilities of the handle, the return member is threaded onto a shouldered finger that includes the anchoring member. This finger secured to the anchoring member advantageously takes a bearing spherical bearing against the frame, including a support omnidirectional range, so that the mechanism is preserved from any risk of buckling of the pivot axes while allowing to minimize the masses of the moving bodies, such as in particular the guide members and the pivot pins.

According to another aspect of the present invention, the support structure is provided with integration means in the armrest of a seat. The arrangements provided by the present invention allow a free and easy adaptation of the support structure for its installation inside such an armrest, including for a thin armrest placed at a distance overhanging the seating plane of the seat and free of junction column of the armrest on the ground and / or the seat placed in front of the seat cushion. More particularly and thanks to the proposed methods of articulation of the lever on the frame, the cables in relation to the latter can be easily oriented coplanarly and concurrently, orthogonally in particular, with respect to the general axis of extension of the remote.

The means of integration of the mechanism inside an armrest are for example constituted by a housing. This housing is indifferently a receiving housing of the carrier structure, or is constitutive of the carrier structure and more particularly of the chassis. This housing is provided with connecting means with an internal structure of the armrest, and cable guiding sheaths inside the armrest according to extension orientations contained in the same guide plane. The internal structure of the armrest is likely to be an armature, or even a cohesive mass of a cellular material, such as foam, inside which is embedded the casing provided with the sleeves preferentially extended by inserts for the sliding reception of the cables. The conditions described mobility of the lever on the chassis are advantageously exploited for the integration of the mechanism into an armrest along which runs or cables to the rear of the seat.

The limited space requirement and the organization of the support structure facilitate its installation in any installation site, and in particular in an armrest for a seat. More particularly, such an armrest is capable of being thin by being placed in overhang and away from the seat plan of the seat, without requiring the use of a column before joining the armrest to the ground, or equivalent way of the armrest to the seating plane of the seat. The provisions of the present invention allow to give the armrest a small footprint, or even a retractable character, to prevent it constitutes an inconvenience for access to the seat by an operator. The cables can extend inside the armrest, being preferentially housed inside the protective sheaths, from the front to the back of the seat, and then be returned to the ground in s' extending inside a non-interfering rear column located at the rear of the seat.

According to a first embodiment, the cable guide plane is orthogonal to the extension axis of the handle and is parallel to a plane containing a plurality of pivot axes of the handle on the carrier structure. Such an alternative embodiment is adapted to an integration of the cable control mechanism inside a column-free armrest before connecting it to the ground and / or to the seat.

However, the compactness of the cable control mechanism is likely to be used for any other application and to allow its integration and / or easy installation on any site. More particularly and according to a second variant embodiment, the cable guide plane is parallel to the extension axis of the handle and is orthogonal to a plane containing a plurality of pivot axes of the handle on the support structure. Such a control mechanism can be installed inside an armrest comprising a column before joining the ground and / or the seat, this front junction column housing the cables that extend vertically out of the carrier structure.

The organization of the supporting structure allows easy modification of the orientation of the cable guide plane. According to an advantageous embodiment facilitating the installation of the cable control mechanism on any implantation site, the sleeves are carried by the housing by means of a plate provided with reversible fixing means on the housing according to alternative positions corresponding to one or the other orientations of the guide plane offered by the sleeves for the cables.

It will be understood that if appropriate and according to the configuration of the installation site of the cable control mechanism, one or more anchoring members are interchangeable among a set of anchoring members adapted conformations, the general organization of the bearing structure remaining unchanged.

The present invention also relates to an armrest incorporating a cable control mechanism having the features that have been stated, taken alone or in combination. The present invention also relates to a seat incorporating such an armrest.

More particularly, the armrest is of elongated conformation and is free of front connecting column with the ground and / or the seat, or similarly with the seating plane of the seat. Such an armrest is able to be placed at a distance overhanging the seating plane of the seat. The armrest of the present invention lodges in its area before the supporting structure while the cables extend towards the rear of the seat to a mechanism for returning the cables vertically towards the ground. Such a return mechanism is likely to be of any arrangement and to be housed inside a rear column relative to the seat cushion. More particularly, the armrest comprises means for cooperation with a mechanism for returning the cables vertically to the ground housed in a column disposed in a rear area of the seat cushion.

According to a specific embodiment, an armrest of the present invention will be recognized in that it incorporates a cable control mechanism whose handle is oriented orthogonally to the direction of extension of the cables at the output of the armrest, this direction extension of the cables corresponding to the direction of extension of the armrest between the front and rear areas of the seat, so that the armrest is able to be free of front connecting column with the ground and / or the seat such as that arranged at the front of the seat seat.

The incorporation of the control mechanism in the armrest is advantageously formed from an organization of the armrest according to which the cable control mechanism is embedded in a mass of cellular material constituting the armrest and preferably provided with means fixing on a seat frame.

The organization of the cable control mechanism integrated into the armrest allows a mobility of the armrest between a position of use in which it is placed above the seating plane of the seat, and a retracted position, by sliding and / or tilting for example, wherein the armrest is clear of the lateral space to the seat. More particularly and according to an advantageous embodiment of the armrest of the present invention, it is movably mounted on the seat between a retracted position towards the rear of the seat and a position of use overhanging the plane of the seat. seat.

Incidentally, the mechanism may be equipped with auxiliary control means, such as electrical and / or electronic and / or electropneumatic and / or electromechanical control means implemented by the operator from control buttons integrated into the mechanism and more particularly to the handle, or even mechanical control means may implement a control cable. The controller can also be used for the implementation of additional control means different from those assigned to its switching maneuver. For example the joystick can be rotatably mounted about its general axis extension on the carrier structure, for the actuation of actuators or similar control members placed at its periphery. For example still, the handle can be mounted on the support structure axially movable in translation along its axis of extension for the operation of a cable and / or an actuator.

The installation site of the cable control mechanism inside an armrest without a front floor and / or seat junction column is particularly advantageous. However, it will be understood that the organization of the control mechanism of the present invention and the advantages it affords allow its easy and space-saving installation on any site, including an armrest provided with a column before junction with the ground .

According to another aspect of the present invention, the cable control mechanism is equipped with spontaneous locking means of the handle in the rest position. These locking means comprise a latch interposed between the handle and the support structure for locking them to each other in the rest position of the handle. This latch is operable towards its locking position under the effect of the force exerted by deformable means against their stressing, and to its reverse unlocking position releasing the lever from its locking with the bearing structure under the effect of a sustained gesture of the operator on a monostable member stressing the deformable means. This monostable member is connected to the latch by means of mechanical connection means. It will be understood that access to a maneuver in mobility of the joystick is subject to the operation of the monostable organ.

These arrangements are such that the cable control mechanism incorporates mechanical locking securing means in the rest position of the joystick, which are of a simple structure mainly associating the latch, the deformable means and the monostable member. This integration on the own structure of connection of the controller with the cables can be easily achieved at lower costs, without significantly increasing the size overall mechanism. The operation of the latch in the locking position is spontaneously caused by the deformable means. In the locking position, the lever is immobilized on the support structure to prevent it from tipping in the absence of a voluntary gesture and maintained by the operator causing the unlocking position of the latch from a stressing means deformable.

The monostable member is more particularly a control member prehensile by the operator to deliberately operate the latch in the unlocked position and to induce the stressing of the deformable means, preferably against its spontaneous maintenance in a stable rest position. Such a monostable member is advantageously capable of inducing an inconvenience for the operator wishing to access the joystick, so that his maneuver is made indispensable, at least because of discomfort, prior to any action by the operator on the joystick.

The simplicity of the structure of the locking means does not affect the reliability of the security provided, the operator being forced to perform and maintain a voluntary gesture on the one-shot organ to release the lever of its immobilization on the structure carrier. The position of stability of the operating member corresponds to a rest position in which a prohibition of maneuvering the handle and / or discomfort deterrent gripping of the handle by the operator are opposed. The voluntary act of the operator on the monostable member simultaneously causes stressing of the deformable means that continues as long as the said gesture of the operator is maintained. Conversely, an interruption of this action causes a return of the monostable member in a stable rest position, releasing the deformable means which cause a maneuver of the latch in the locking position and therefore a locking of the handle in the rest position.

• *) soit en prise permanente sur l'un quelconque des organes comprenant la manette et de la structure porteuse, en étant manoeuvrab!e en position de verrouillage vers l'autre organe sur lequel il est placé en prise par des moyens de solidarisation dont il est muni,
• *) soit monté mobile sur un châssis du mécanisme en étant manoeuvrable en position de verrouillage vers l'une et l'autre de la structure porteuse et de la manette sur lesquelles il est placé conjointement en prise.

The latch is indifferently:

• *) is permanently engaged on any one of the bodies comprising the handle and the supporting structure, being maneuverable in the locking position towards the other member on which it is placed in engagement by securing means which it is equipped,
• *) is mounted movably on a frame of the mechanism being operable in the locking position towards one and the other of the supporting structure and the lever on which it is placed in joint.

According to a preferred embodiment having the advantage of simplifying the structure of the locking means, the latch is secured to the lever in its tilt direction and is slidably mounted on the handle between its locking position in which means of fastening of the latch are engaged on the carrier structure and its unlocking position in which said socket is broken. The latch is permanently secured to the lever in its direction of tilting while being free sliding, preferably coaxial with respect to the joystick. This freedom of mobility of the latch alternatively allows to engage or release the securing means on the carrier structure to immobilize the lever on the latter. The structure of the securing means and the arrangement of the latch are simplified, with the advantage of limiting the size of the locking means while allowing their spontaneous operation by the deformable means.

The monostable nature of the constraint member of the deformable means can be realized from a mounting of this member on the mechanism by means of return means assigned to it to place it spontaneously in position latch lock. According to an advantageous embodiment, these return means are combined with the deformable means to limit the number of constituent members of the locking means and to simplify their organization and their integration into the mechanism. More particularly, the monostable member is mounted movably on the gripping handle between the locking position in which it is spontaneously maintained by the deformable means and the unlocking position in which it is maintained from a constant gesture of the operator.

The proximity between the handle and the monostable member provides comfort to the operator, who can easily maintain the monostable member simultaneously tilting maneuvers it applies to the lever to his or her working positions. Mounting the monostable member on the gripping handle allows to place it in an open environment allowing its setting any conformation according ergonomics sought the most satisfactory possible. This freedom of ergonomics makes it possible in particular to arrange the monostable member to obstruct access to the handle in the absence of a voluntary action by the operator and / or prohibit operation of the joystick. The mechanical connection between the monostable member placed at the proximal end of the handle and the latch, necessarily placed close to the supporting structure and therefore to the distal end of the handle, is easily achievable from organs link constituting the connecting means, which extend at least parallel otherwise coaxially to the lever, with the advantage of obtaining such a mechanical connection without increasing the size of the mechanism. More particularly, the latch being placed towards the distal end of the handle, the connecting means consist of at least one connecting member extending at least parallel, if not coaxially, to the handle. Such a connecting member may be constituted by a rod or the like disposed parallel to the vicinity of the handle, or an axial extension of the monostable member around the handle.

The latch is advantageously shaped sleeve mounted coaxially sliding on the handle, which it is integral in rotation on itself by gripping means. Such an organization of the latch makes it easy to secure the latch to the handle while allowing it to slide along the latch. Moreover, such a coaxial mounting allows to easily organize the connecting means connecting the latch to the monostable member and to limit the size of the locking means. In particular, the gripping means can be easily made by pinning at axial freedom. For example, the engaging means are constituted by at least one pin or the like, which is integral with the latch and which passes through the handle through a longitudinal peripheral lumen. It will be understood by longitudinal direction oriented parallel to the general axis of extension of the joystick.

The simplicity of the general organization of the locking means and their small size makes it possible to simplify the means for securing the latch with the supporting structure, according to an advantageous embodiment, the securing means that the latch comprises are of the type by keying. For example, the securing means consist of at least one key or the like formed longitudinally at the periphery of the latch, which cooperates with a complementary notch provided on the supporting structure.

According to a first variant embodiment, the deformable means are interposed between the monostable member and the handle. More particularly and according to a preferred embodiment of this variant, the monostable member is arranged by flying mounted coaxially rotating on the handle, preferably being secured to the handle by junction means. The deformable means consist of a torsion spring which is housed in an interlocking barrel of the monostable member. The connecting means consist of at least one helical ramp formed on the shaft for guiding a radial finger that includes the latch. In the absence of a voluntary gesture made by the operator on the steering wheel, the operation of the rocker lever is prohibited. According to a second variant embodiment, the deformable means are interposed between the latch and the handle. More particularly and according to a preferred embodiment of this variant, the monostable member consists of a lateral flap articulated on the handle. This side flap is an obstacle to discomfort and / or prohibition of access to the handle. The deformable means consist of a compression spring axially interposed in antagonistic supports against the lever and against the latch. The connecting means consist of at least one rod or the like connecting the latch to a lever arm of the flap. In the absence of a tilting of the flap freeing access to the handle, any manipulation of the rocker lever is prohibited.

As referred to above, the joystick is preferably maneuverable tilt in respective directions monodirectional and concurrent around a plurality of pivot axes. The carrier structure is in this case advantageously composed of said plurality of guide members tilting of the handle, which are each hinged to a frame about a respective pivot axis. The latch in the locking position is engaged on one, on several or all of the guide members.

The organization of the carrier structure in a plurality of guide members induces a rest position of the lever according to a plurality of rest positions respectively assigned to its tilting by means of a corresponding guide member. The organization of the locking means, and in particular of the securing means cooperating with at least one of the guide members, makes it possible to offer a locking of the handle selectively in at least one of the rest positions, chosen according to the functionality of the mechanism. More particularly, the handle is capable of being locked in one or more rest positions according to respective corresponding tilt directions, while being free from one or more other tilting directions.

According to an advantageous embodiment of the mechanism, wherein one of these guide members forms a receiving cage of another guide member, the latch is mounted coaxially sliding on the handle between its distal end articulated on the other organ guide and the proximal end of the joystick. Note that the latch is likely to be housed inside the cage to prevent its presence from inducing an increase in the size of the mechanism.

The simple organization of the components of the control mechanism, and in particular those constituting the securing means, makes it easy to produce these members, such as by molding a filled resin, optionally accompanied by an overmolding operation, and / or by molding a metallic material.

Description of the figures.

• Les fig.1 à fig.3 sont des illustrations d'un mécanisme de commande par câble intégré dans un accoudoir pour siège selon un exemple de réalisation de la présente invention, respectivement sur la fig.1 en perspective assemblée, sur la fig.2 de côté et sur la fig.3 en perspective éclatée.
• Les fig.4 à fig.8 sont des illustrations en perspective d'un mécanisme de commande par câble selon une première forme de réalisation de la présente invention, suivant diverses étapes d'assemblage des éléments le composant. Les fig.9 et fig.10 sont des illustrations en perspective d'un mécanisme de commande par câble selon une deuxième forme de réalisation de la présente invention, suivant diverses étapes d'assemblage des éléments le composant. Les fig.11 à fig.13 sont des illustrations en perspective d'un mécanisme de commande par câbles selon une troisième forme de réalisation, respectivement en vue éclatée, en vue assemblée en position de verrouillage, et en vue assemblée en position de déverrouillage.
• La fig.14 est une vue en coupe d'un volant constitutif du mécanisme représenté sur les fig.11 à fig.13.
• Les fig.15 à fig.17 sont des illustrations en perspective d'un mécanisme de commande par câbles selon une quatrième forme de réalisation, respectivement en vue éclatée, en vue assemblée en position de verrouillage, et en vue assemblée en position de déverrouillage.

The present invention will be better understood on reading the description which will be made of exemplary embodiments, in relation to the figures of the appended plates in which:

• The fig.1 to fig.3 are illustrations of a cable control mechanism integrated into a seat armrest according to an embodiment of the present invention, respectively on the fig.1 in perspective assembled, on the fig.2 aside and on the fig.3 in exploded perspective.
• The fig.4 to fig.8 are perspective illustrations of a cable control mechanism according to a first embodiment of the present invention, according to various steps of assembling the component elements. The fig.9 and fig.10 are perspective illustrations of a cable control mechanism according to a second embodiment of the present invention, according to various steps of assembling the component elements. The fig.11 to fig.13 are perspective illustrations of a cable control mechanism according to a third embodiment, respectively exploded view, assembled view in locking position, and assembled view in unlocked position.
• The fig.14 is a sectional view of a constituent flywheel of the mechanism represented on the fig.11 to fig.13 .
• The fig.15 to fig.17 are perspective illustrations of a cable control mechanism according to a fourth embodiment, respectively exploded view, assembled view in locking position, and assembled view in unlocked position.

On the fig.1 to fig.3 , a cable control mechanism is integrated into the armrest 1 of a seat 2. This armrest 1 is thin and is arranged overhanging the seat plane PO of the seat 2. The mounting of the armrest 1 on the seat 2 is made in the rear area of the latter, and more particularly on the backrest 3 and / or on a rear column 4 of vertical extension placed at the rear of the seat 5 of the seat 2. On the example illustrated embodiment, the armrest 1 is fixed on the seat 2 by means of a frame 6 integral with the seat 2. Such a configuration of the armrest 1 implies that it is free of front column located in the front zone of the seat. seat 2 for joining it and / or the ground. Such an armrest 1 has the advantage of not preventing easy access to the seat 5 of the seat 2 by an operator, and in particular to leave a side space available to the seat. The armrest 1, to the extent that it is not connected to the ground and / or the seat by a front connecting column, is likely to be retractable between a position of use in which it is placed above the plane seat PO of the seat 2 as shown, and a retracted position in which the armrest 1 is clear of the lateral space of the seat 5 of the seat 2 to facilitate access to the latter by the operator . Such retraction of the armrest 1 is obtainable from its sliding mounting on a frame, such as 6, of the seat 2, and / or from its tilting towards the rear of the seat 2. tilting is obtained by a pivoting mounting of the armrest 1 and / or the armature 6 on the seat 2, about a tilt axis located at the rear on a carrier frame. Such a carrier frame can be for example integrated in the backrest 3 of the seat 2 or consist of the rear column 4.

The control mechanism comprises a control lever 7 which emerges out of a housing 8 constituting a supporting structure 9. This lever 7 is axially extended and is mounted to move on the supporting structure 9 following several pivot axes. The handle 7 has at its proximal end a gripping handle 10 by an operator, for its switching maneuvering in respective directions monodirectional and concurrent B1 and B2. In the exemplary embodiment shown, the lever 7 is operable in two concurrent switching directions B1, B2 and in two directions of operation for each of these switching directions B1, B2. At each of the switching directions B1, B2 corresponds to a movement of a cable 11, 12, with a view to controlling the implementation of a remote member assigned to this cable 11, 12. In the exemplary embodiment illustrated, the handle 7 is also rotatable R on itself, for the actuation of actuators placed at its periphery for example, and comprises on the handle 10 of the control knobs 13 of actuators. Such actuators, not shown, are incidentally connected to the cable control mechanism of the present invention, in order to multiply the available control possibilities. It will be understood that if the mechanism can be equipped with such actuators, the present invention finds its object in the arrangements of organization of the mechanism for the operation of the cables 11,12.

The compactness of the carrier structure 9 as described on the fig.4 to fig.10 allows to confer on the housing 8 a limited space allowing its integration inside the armrest 1, in its front area relative to the seat 2. The housing 8 is provided with sleeves 14,15 for guiding the cables 11,2 which define a cable guide plane P1 which is oriented orthogonally to the extension axis AO of the lever 7 and parallel to the seat plane PO of the seat 2. The cables 11, 12 are contained in the same plane P1 of guide corresponding to the extension of the armrest 1 between the front and rear areas of the seat 2. These arrangements are such that the cable control mechanism of the present invention can be easily integrated into the front area of a low armrest 1 thickness, as shown, whereby the presence of a front column is rendered useless to at least partially accommodate the control mechanism and the cables 11,12 vertically from the control mechanism to the ground.

The rear column 4 advantageously accommodates a return device 32 of the cables 11, 12 from a horizontal orientation corresponding to the extension of the armrest 1 between the front and the rear of the seat 2 and the seating plane PO of the seat 2. Such return means are likely to be simple in structure and to be organized in any manner known to those skilled in the art.

On the exemplary embodiment shown on the fig.1 to fig.3 the control mechanism is advantageously embedded in a mass of cellular material, such as based on a natural and / or synthetic material expanded. The housing 8 constitutes a protective enclosure of the supporting structure 9 on which is articulated the handle 7, and the sleeves 14,15 extended by the sleeves constitute a protective enclosure cables 11,12 allowing their mobility despite the integration of the mechanism inside the cell mass. This mass of cellular material is attached to the seat 2 by means of fastening means 16 which it incorporates and / or of which it is equipped, such as a fixable plate on the frame 6 of the seat 2 by the intermediate of at least one fastener, such as screw or the like.

On the fig.4 to 10 , the control mechanism comprises the supporting structure 9 which is composed of several guide members 17,18 tilting of the lever 7. These guide members 17,18 are individually articulated on a frame 19, such as constituted by at least one part of the housing 8, or analogously constituted by an element 19 provided with fixing means on the housing 8, or directly on a reinforcement integrated to the armrest 1 or a reinforcement integrated into any body of an installation site of the mechanism.

The handle 7 is pivotally mounted in a first direction of tilting B1 on a first guide member 17. In the illustrated embodiment, the distal end of the handle 7 is provided with a body 20 which is pivotally assembled on the first guide member 17, such as for example by means of a journal rotatably mounted in a housing. The trunnion and the housing are indifferently arranged on one or other of the handle 7 and the first guide member 17. The pivoting mounting of the handle 7 on the first guide member 17 is connecting means in one-way mobility between them. More particularly, the handle 7 is pivotally mounted about an axis A1 on the first guide member 17, so that they are connected to each other in the first direction of tilting B1, and so that the handle 7 is free to move in at least the second direction of tilting B2. The first guide member 17, directly carrying the handle 7, is itself hingedly pivoted on the frame 19 around a first pivot axis A2 of the handle 7 relative to the carrier structure 9. It will be noted that the relative positions of the axis A1 of pivoting of the handle 7 on the first guide member 17, and the axis A2 of pivoting of the first guide member 17 on the frame 19 are independent of one another. However, it is advantageously possible to place the pivot axes A1 and A2 in the same plane orthogonal to the axis AO extension of the lever 7 to reduce the size of the mechanism, including reduction along the extension axis AO of the joystick 7 and in the case of application illustrated on the fig.1 to fig.3 following the thickness E of the armrest 1.

The first guide member 17 is housed inside a cage formed by a second guide member 18, itself articulated on the frame 19 around a second axis A3 of pivoting of the handle 7 on the supporting structure 9. This second guide member 18 comprises a window 21 for passage of the handle 7 therethrough, this window extending transversely to the first axis of pivoting A2 to form a circulation corridor of the lever 7 allowing its mobility and that of the first guide member 17 in the first direction of tilting B1. The lateral edges 22 of the window 21 constitute support members of the lever 7 in the second direction of tilting B2 around the second pivot axis A3. It will be understood that the pivot axis A1 and the pivot axis A3 are necessarily oriented parallel to each other, either offset from the extension axis AO of the lever 7, or advantageously in a coaxial manner as illustrated. This coaxial character of the pivot axis A1 and the axis of pivoting A3 is allowed thanks to the arrangement of the second guide member 18 in the receiving cage of the first guide member 17.

The set of pivot axes of the handle 7 on the supporting structure 9, and more particularly the pivot axis A1 of the handle 7 on the first guide member 17, the first pivot axis A2 of the first guide member 17 on the frame 19, and the second pivot axis A3 of the second guide member 18 on the frame 19 are arranged in the same plane P2 which is transverse to the extension axis AO of the lever 7, and more particularly which is orthogonal to the axis AO extension of the handle 7 in the rest position. The reduction in the size of the control mechanism is optimized along the extension axis AO of the joystick 7, and it is facilitated to implement the mechanism at any site, or even its adaptation to any installation site and in particular its integration inside the armrest 1 of a seat 2 without column before joining the armrest 1 with the floor and / or the seat.

The guide members 17, 18 are in connection with anchoring members 23, 24 of a respective cable 11, 12, with which they are respectively linked in mobility. These anchoring members 23,24 are each equipped with a return member 25 of the corresponding guide member 17,18 in the rest position, which corresponds for example to a median position between two directions of tilting of the joystick 7 following the same direction of changeover B1, B2. According to the ergonomics sought for the mechanism and its installation situation on a site, armrest 1 in particular, the middle position of the lever 7 corresponds more particularly to a position in verticality with respect to the ground and / or relative to the plane of sitting PO of the seat 2, without such a position being restrictive as to the scope of the present invention. The return member 25 consists of a compression spring which is axially interposed between the anchoring member 23,24 and the frame 19, or in a similar manner between the anchoring member 23,24 and an element frame integral with the housing 8, or the housing 8 itself. The return member 25 is threaded onto a stepped finger 26, particularly visible on the fig.9 , which comprises the corresponding anchoring member 23,24. This finger 26 takes a support whose scope on the frame 19 is spontaneously modifiable according to the orientation of the corresponding guide member 17,18 around its axis of pivoting A2, A3 on the frame 19, such as a bearing spherical bearing. These provisions make it possible to reinforce the robustness of the mechanism by avoiding a cantilever of the guiding members 17, 18 on the chassis, whatever the forces applied on the cables 11, 12.

The anchoring members 23, 24 are shaped as lever arms which are linked in mobility to the guide members 17, 18 via heels 27, 28 respectively integral with the corresponding guide member 17, 18. This link mobility is such that a pivoting of a guide member 17,18 induces a tilting of the heel 27,28 and causes a pivoting of the corresponding anchoring member 23,24. On the fig.8 and fig.10 , the cables 11, 12 are guided at the housing outlet 8 by means of the sleeves 14, 15, which are mounted on the housing 8 via a plate 31. This plate 31 is provided with easily reversible fixing means on the housing 8, so that its position is advantageously interchangeable according to the desired orientation of the cables 11,12 relative to the axis A0 extending the lever 7 in the rest position. The sleeves 14, 15 are preferably extended by sheaths or the like, to facilitate the sliding guidance of the cables 11, 12 at the output of the mechanism and, where appropriate, to allow the cables 11, 12 to move in the case where the mechanism is embedded in inside a cellular mass constituting the armrest 1.

According to the illustrated embodiment on the fig.4 to fig.8 , the cables 11, 12 are oriented in the same plane P1 orthogonal to the extension axis AO of the lever 7 in the rest position. The connection in mobility between the first guide member 17 and a first anchoring member 23 is of the type by joining between the heel 27 and the anchoring member 23. The link mobility between the second guide member 18 and a second anchoring member 24 is of the sliding keying type to obtain their tilt connection while allowing their relative mobility by sliding. For this purpose, the heel 28 that includes the second anchoring member 18 is provided with a cleat 29 of spherical conformation which is housed inside a slideway 30 that includes the second anchoring member 24. The fingers 26 on which are threaded the return members 25 are secured at the end distal from the corresponding anchoring member 23,24, while the proximal end of the anchoring members 23,24 is linked in mobility to the corresponding guide member. The distal end of the anchoring members 23, 24 is also used for fixing a cable 11, 12.

According to the illustrated embodiment on the fig.9 and fig.10 , the cables 11,12 are oriented in the same plane P1 parallel to the axis AO extension of the handle 7 in the rest position. In the case where such a mechanism is integrated in an armrest, this orientation of the cables 11,12 corresponds to an orientation of the cables 11,12 vertically between the mechanism and the ground. The cables 11,12 are optionally housed inside a front column relative to the seat 5 of the seat 2, such a column being capable of being retractable. The arrangement of the mechanism shown is rather applicable to other installation sites that an armrest, to avoid impeding easy access for an operator to the seat 5 of the seat 2. The anchoring members 23, 24 are shaped square, which are each secured to the corresponding guide member 17,18 in the junction zone between the branches that compose them. This joining is carried out indifferently by direct connection or by indirect connection between the anchoring members 23,24 and the guide members 23,24. Such an indirect connection is for example made by means of journals respectively assigned to pivot axes A2, A3 corresponding, these journals being themselves integral with the guide member 17,18 to which they are assigned.

On the fig.11 to fig.17 , a cable control mechanism comprises a control lever 101 which is pivotally mounted on a carrier structure 102, itself mounted to move on a chassis, such as a not shown housing. This handle 101 is provided at its proximal end with a gripping handle 103 by an operator, and is pivotally articulated at its distal end on the carrier structure 102 about respective pivot axes A1 and A2. More particularly, the carrier structure 102 is composed of two guide members 104, 105 of the joystick 101 tilting in respective directions monodirectional and concurrent D1 and D2. These guide members 104, 105 are each articulated on the frame around a respective pivot axis A1 and A2, and are engaged on one or more cables 106 assigned to them for the purpose of maneuvering them from a corresponding movement of the joystick 101 tilting. One of these guide members 104 forms a receiving cage of the other guide member 103, so that their pivot axes A1.A2 are coplanar perpendicular to the general axis A of extension of the handle 101. It should be noted that this arrangement of tilting assembly of the joystick 101 is preferred because of the advantage provided by the gain in size and the availability left at its distal end to easily arrange means for securing the operation of the mechanism. However, it is conceivable to arrange the mobility of the handle 101 on the carrier structure 102 in other ways able to cooperate with the security mechanism proposed by the present invention. More particularly, this securing mechanism is applicable to any control mechanism by one or more cables, independently of the operating modes in tilting of the lever 101 on the carrier structure 102 or the frame, such as for example a tilting maneuver of the joystick 101 unidirectional or omnidirectional.

The lever 101 is operable in each of its tilting directions D1, D2 between a rest position, in which no traction is exerted on the cables 106, and a corresponding working position in which traction is exerted on the one or more cables 106 for the implementation of a remote body to maneuver. As is usually the case, the handle 101 is provided with restoring means in the rest position in the absence of a tilting maneuver by an operator. According to the present invention, such return means of the handle 101 in the rest position are advantageously integrated with the mechanism of securing means. The problem arises of an accidental and / or involuntary maneuver in tilting of the joystick 101. secure the mechanism, and in particular prevent accidental movement of the lever 101 according to at least one of its tilting directions D1.D2, it is equipped with means for securing the holding of the lever 101 in the rest position; absence of a voluntary gesture that must necessarily be performed by an operator.

More particularly, the mechanism is provided with means for spontaneous locking of the handle 101 in the rest position. These locking means implement a latch 107 which is interposed between the handle 101 and the support structure 102 for locking them to each other in the rest position of the handle 1, as illustrated in FIGS. fig.12 and fig.16 . This latch 107 is operable to a locking position, illustrated on the fig.13 and fig.17 , under the effect of the force exerted by deformable means 108. These deformable means 108 are for example a torsion spring 109, as in the variant shown in FIGS. fig.11 to fig.13 , or a compression spring 110, as illustrated on the fig.15 to fig.17 . These deformable means 108 are put under stress during the operation of the latch 107 in the locking position, under the effect of a gesture maintained by the operator on a monostable member 111. When the operator stops the action he performs on the monostable member 111, the latter takes its stable rest position by spontaneously operating the latch 107 in the unlocked position, in which the handle 111 is released from its locking to the carrier structure 102. The monostable member 111 is for example a flywheel 112 such as the variant illustrated on the fig.11 to fig.14 , or an articulated flap 113 such as the variant illustrated on the fig.15 to fig.16 . The monostable member 111 is connected to the latch 107 via mechanical connection means 114. These connecting means 114 are constituted by one or more connecting members which extend parallel or coaxially with the general axis A d. extension of the controller 111. For example on the illustrated variant on the fig.11 to fig.14 , the connecting member consists of a shaft 115 which axially extends the flywheel 112. For example still on the variant illustrated on the fig.15 to fig.17 , the connecting members consist of rods 116 or the like connecting the latch 107 to the hinged flap 113. The latch 107 is placed at the distal end of the handle 111, being housed inside the guide member 104 forming a cage for the other guide member 105. This latch 107 is provided with securing means 117 for locking one to the other of the joystick 111 and the supporting structure 102, which are of the keying type. In the exemplary embodiments illustrated, the securing means 117 consist of keys 118,119 integrated in the latch 107 extending longitudinally at its periphery. These keys 118,119 cooperate with complementary notches 120,121 which are formed on the bearing structure 102, and more particularly with notches 120,121 respectively formed on one and the other of the guide members 104,105. It will be noted that according to the provisions of the invention, the latch 107 may have only one or more keys 118 or 119 cooperating with notches 120 or 121 provided on only one of the two guide members 104, 105 to secure the mechanism following at least one corresponding direction D1 or D2 of tilting of the joystick 111.

The latch 107 is shaped as a sleeve integral in rotation with the handle 111 and free sliding axially along the latter, to allow its operation between its locking position and its unlocking position. This junction is achieved by means of engagement 122, such as by pinning, broaching or the like on the exemplary embodiments illustrated. For example, the latch 107 is traversed by a pin which extends radially towards the handle 111, the latter having a longitudinal peripheral light, not visible in the figures, which allows its passage through the pin without obstructing a sliding mobility axial latch 107.

On the embodiment variant shown on the fig.11 to fig.14 , the deformable means 108 consist of the torsion spring 109, which is engaged between the handle 111 and the monostable member 111 consisting of the flywheel 112, being housed in the barrel 115 that comprises the latter. The connection means 114 between the latch 107 and the monostable member 111 consist of a pair of helical ramps 123 that includes the shaft 115 for guiding a radial finger 124 is engaged with the latch 107. The flywheel 112 is engaged on the handle 103 by means of a lateral handle 131 that it comprises, so that the operator can naturally grasp the flywheel 112 and the handle gripping 103 and cause their joint drive in rotation to place the latch 107 in the unlocked position.

On the embodiment variant shown on the fig.15 to fig.17 , the deformable means 108 consist of the compression spring 110, which is axially interposed in antagonistic supports between the handle 101 and the latch 107, being threaded around the handle 101. The flap 113 is articulated on a connecting member 125 which is attached proximally to the handle 101 and which carries the handle 103, arranged in a knob. The flap 113 is articulated as a lever on this connecting member 125, through the rods 116 constituting the connecting means 114 between the flap 113 and the latch 107. More particularly, the rods 116 each comprise a return 126 which are housed in longitudinal grooves 127 that includes the connecting member 125, and that together constitute a first axis of articulation of the flap 113 on the connecting member 125. These returns 126 are in particular housed in corridors 128 of an arm of lever 129 of the flap 113, the latter being moreover articulated on the junction member 125 around a second hinge axis 130, so that actuation of the flap 113 about the second hinge axis 130 causes a displacement axial rods 116, and therefore the latch 107, between the locking position and unlocking.

Incidentally, the mechanism is completed by control means of the electromechanical, electropneumatic and / or electronic type, to multiply the number of orders offered.

Claims (16)

A cable control mechanism (106) for at least one remote actuating member, said mechanism comprising an axially extended control handle (101) movably mounted on a carrier structure (102) about at least one pivot axis , and which is arranged at its proximal end as a gripping handle by an operator for his tilting maneuvering in at least one direction between a rest position and at least one working position, the lever (101) being in relation with at least one an anchoring member of a control cable for causing a maneuvering of this cable as a result of a tilting of the handle (101) about the corresponding pivot axis, characterized in that it is equipped with means of spontaneous locking of the handle (101) in the rest position, comprising a latch (107) interposed between the handle (101) and the carrier structure (102) for locking them to each other in the rest position of the joystick (101), this loq uet (107) being operable towards its locking position under the effect of the force exerted by deformable means (108) against their stressing, and to its reverse unlocking position releasing the lever (101) of its locking with the carrier structure (102) under the effect of a sustained movement of the operator on a monostable member (111) for stressing the deformable means (108) which is connected to the latch (107) via mechanical connection means (114). Cable control mechanism according to claim 1, characterized in that the latch (107) is indifferently in permanent engagement on any one of the members comprising the handle (101) and the supporting structure (102), being operable in locking position towards the other member on which it is engaged by securing means (117) which it is provided, or is movably mounted on a frame of the mechanism being operable in the locking position to the one and the other of the carrier structure (102) and the handle (101) on which it is jointly engaged. Cable control mechanism according to any one of claims 1 or 2, characterized in that the latch (107) is integral with the handle (101) in its direction of tilting (D1, D2) and is slidably mounted on the lever (101) between its locking position in which the locking means (117) of the latch (107) are in taken on the carrier structure (102) and its unlocking position in which the said socket is broken. Control mechanism according to any one of claims 1 to 3, characterized in that the monostable member (111) is movably mounted on the handle (103) between the locking position in which it is spontaneously maintained by the means deformable (108) and unlocking position in which it is maintained from a constant gesture of the operator. Cable control mechanism according to any one of claims 1 to 4, characterized in that the latch (107) is placed towards the distal end of the handle (101), the connecting means (114) consist of at least one connecting member (115, 116) extending at least parallel, if not coaxially, to the handle (101). Cable control mechanism according to any one of claims 1 to 5, characterized in that the latch (107) is in the form of sleeve coaxially sliding on the handle (101) which it is integral in rotation on itself by engaging means (122). Cable control mechanism according to claim 6, characterized in that the engagement means (122) are of the axial-free pinning type. Cable control mechanism according to any one of claims 2 to 7, characterized in that the securing means (117) that comprises the latch (107) are of the type by keying. Cable control mechanism according to claim 8, characterized in that the securing means (117) consist of at least one key (118, 119) formed longitudinally at the periphery of the latch (107), which cooperates with a notch complementary (120, 121) provided on the carrier structure (102). Cable control mechanism according to any one of claims 1 to 9, characterized in that the deformable means (108) are interposed between the monostable member (111) and the handle (101). Cable control mechanism according to claim 10, characterized in that the monostable member (111) is arranged as a flywheel (112) coaxially rotatable on the handle (101), the deformable means (108) being constituted by a spring of torsion (109) housed in an interlocking barrel (115) of the monostable member (111) and the connecting means (114) being consisting of at least one helical ramp (123) formed on the shaft (115) for guiding a radial finger (124) that comprises the latch (107). Cable control mechanism according to any one of claims 1 to 9, characterized in that the deformable means (108) are interposed between the latch (107) and the handle (101). Cable control mechanism according to claim 12, characterized in that the monostable member (111) consists of a lateral flap (113) articulated on the handle (103), the deformable means (108) consisting of a compression spring (110) axially interposed in opposing supports against the handle (101) and against the latch (107), the connecting means (114) consisting of at least one rod (116) connecting the latch (107); ) at a lever arm (129) of the flap (113). Cable control mechanism according to any one of claims 1 to 13, characterized in that the joystick (101) is operable in tilting indifferently omnidirectionally or in one or more concurrent monodirectional directions (D1.D2). Cable control mechanism according to claim 14, characterized in that the lever (101) is operable in tilting in respective monodirectional and concurrent directions (D1.D2) around a plurality of pivot axes (A1.A2) and the carrier structure (102) being composed of a plurality of tiltable guide members (4, 5) of the handle (101) which are each hinged to a frame about a respective pivot axis (A1. A2), the latch (107) in the locking position is engaged on one, on several or all of the guide members (104, 105). Cable control mechanism according to claim 15, characterized in that one of these guide members (104, 105) forming a receiving cage of another guide member (104, 105), the latch (107) is mounted coaxially sliding on the handle (101) between its distal end articulated on the other guide member (105) and the proximal end of the handle (101).

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