EP3117965B1 - Ergonomic workstation for clockmaker - Google Patents

Ergonomic workstation for clockmaker Download PDF

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Publication number
EP3117965B1
EP3117965B1 EP15177030.2A EP15177030A EP3117965B1 EP 3117965 B1 EP3117965 B1 EP 3117965B1 EP 15177030 A EP15177030 A EP 15177030A EP 3117965 B1 EP3117965 B1 EP 3117965B1
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EP
European Patent Office
Prior art keywords
workstation
control
adjustable
forearm
forearm supports
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.)
Active
Application number
EP15177030.2A
Other languages
German (de)
French (fr)
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EP3117965A1 (en
Inventor
Malik Attouche
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP15177030.2A priority Critical patent/EP3117965B1/en
Priority to US15/163,820 priority patent/US10028577B2/en
Priority to JP2016125403A priority patent/JP6178899B2/en
Priority to CN201610560716.6A priority patent/CN106354000B/en
Publication of EP3117965A1 publication Critical patent/EP3117965A1/en
Application granted granted Critical
Publication of EP3117965B1 publication Critical patent/EP3117965B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
    • A47B21/03—Tables or desks for office equipment, e.g. typewriters, keyboards with substantially horizontally extensible or adjustable parts other than drawers, e.g. leaves
    • A47B21/0371—Platforms for supporting wrists
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D1/00—Gripping, holding, or supporting devices
    • G04D1/0007—Gripping, holding, or supporting devices for assembly entirely by hand
    • G04D1/0014—Workbenches, supports; Workbenches provided with suction devices; for dust; Illumination
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B37/00—Tables adapted for other particular purposes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B83/00—Combinations comprising two or more pieces of furniture of different kinds
    • A47B83/001—Office desks or work-stations combined with other pieces of furniture, e.g. work space management systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/02—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D1/00—Gripping, holding, or supporting devices
    • G04D1/0078—Automated gripping means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
    • A47B21/03—Tables or desks for office equipment, e.g. typewriters, keyboards with substantially horizontally extensible or adjustable parts other than drawers, e.g. leaves
    • A47B21/0371—Platforms for supporting wrists
    • A47B2021/0392—Platforms for supporting wrists height adjustable
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B39/00—School forms; Benches or forms combined with desks
    • A47B39/02—Adjustable forms

Definitions

  • the invention relates to an ergonomic workstation for a watchmaker comprising, on either side of a work platform, two forearm supports each adjustable at least in inclination in a vertical plane, said workstation comprising driving and storage means arranged to drive motorized adjustment means for moving each of said forearm support in at least one degree of freedom.
  • the invention relates to the field of technical furniture for seated staff, and performing precision tasks at eye level.
  • the document CH248542 in the name of MEYER & STUEDELI describes a workbench with forearm supports forming, in top view, an obtuse angle between them, and each inclined in a vertical plane, and protruding from the workbench to the user for him avoid leaning forward.
  • the document FR1400357 in the name of SORMEL describes a workbench with symmetrical forearm support surfaces and each inclined in a vertical plane, on either side of a horizontal platform forming a working plane, in particular substantially trapezoidal, with which these forearm supports form a continuous and smooth surface, covered with appropriate coverings, on the one hand for the forearm supports, and on the other hand the worktop.
  • the invention proposes to provide the watchmaker user with a workstation with improved ergonomics, more easily adaptable to the morphology of the user and to the tasks to be performed than the systems known from the prior art, and ensuring the prevention of musculoskeletal problems.
  • the invention includes motorized, memorizable and parameterizable settings, and the motor means used for the settings allow the programmable execution of micro-movements intended to prevent ankylosis in the user.
  • the invention relates to an ergonomic watchmaking workstation according to claim 1.
  • the invention relates to an ergonomic workstation 1 for a watchmaker comprising, on either side of a work platform 2, two forearm supports 3D, 3G, each adjustable at least in inclination in a plane vertical.
  • This workstation 1 comprises driving means 40 and storage, which are arranged to drive motorized adjustment means 4 for moving each forearm support 3D, 3G, according to at least one degree of freedom.
  • the adjustment means 4 may comprise, without limitation, electric motors, air cylinders, electric cylinders, or other.
  • control means 40 and storage are arranged to trigger, at pre-defined times, or at random times, according to the programming performed, micro-movements of the forearm supports 3D, 3G .
  • these micro-movements are of short duration less than two seconds, and are of short angular amplitude less than 2 ° and / or linear less than 5 mm.
  • micro-movements are triggered automatically at least three times per hour.
  • the workstation 1 further comprises a user interface 400 connected to the control means 40 and storage, to trigger other micro-movements, and / or to modify the parameters.
  • the user interface 400 may comprise a keyboard screen, a touch screen, or the like, adjustment wheels, or foot controls appreciated by the users because it allows them to test the modification of the settings during the execution of the program. 'a spot.
  • the programming of the workstation 1 by learning is then done in a similar way to programming by apprenticeship classically carried out in robotics.
  • the user interface 400 is arranged to indicate a position error, indicated by the sensors, for example a right-left load differential, front-rear, or too much support on the backrest of its seat, or on a footrest, or on 3D forearm supports, 3G.
  • a position error indicated by the sensors, for example a right-left load differential, front-rear, or too much support on the backrest of its seat, or on a footrest, or on 3D forearm supports, 3G.
  • the user interface 400 displays the information from the method office, and details specific to the task of manufacturing, assembly, packaging, control, or the like.
  • control means 40 and storage are arranged to store first parameters relating to a given user, and second parameters relating to a given task, and to adapt the settings of the forearm supports 3D, 3G, the first and second parameters.
  • the 3D forearm supports, 3G comprise armrests which enclose force sensors connected to the control means 40 and memorisation.
  • the control means 40 are preferably programmed to monitor the variations of the forces exerted by a user on these forearm supports 3D, 3G, and to warn the user by a visual signal and / or sound, and / or by triggering such a micro-movement.
  • the forearm supports 3D, 3G comprise armrests which comprise armrest stops, for example in the form of a holding flange, for the support of the elbow, which abutments armrest are adjustable by manual means, or by motorized means which are then advantageously controlled by the adjusting means 4.
  • a stroke of 20 to 30 mm on either side of a median position is generally sufficient for a good comfort of the user.
  • 3D forearm supports; 3G are each adjustable at least in inclination in a vertical plane by pivoting about a pitch axis ATD, ATG, parallel to the working platform 2.
  • the forearm supports 3D, 3G are each adjustable at least in opening relative to the working platform 2, by pivoting about an axis of yaw ALD, ALG, which is perpendicular to the work platform 2.
  • the yaw axes ALD and ALG are spaced apart by a distance E which is variable and is adjustable by manual means or by motorized means preferably controlled by the adjusting means 4. .
  • the 3D forearm supports, 3G are each adjustable in roll around a roll axis ARD, ARG, parallel to a longitudinal direction which substantially extends the forearm support 3D, 3G , concerned.
  • the forearm supports 3D, 3G each comprise a lower part 31D, 31G, the movement of which is controlled by the adjustment means 4, and an upper part 33D, 33G, which is a carrier of an armrest and movable parallel to the lower part 31D, 31G, respectively, under the action of spacing adjusting means 32D, 32G adjustable by manual means, by motorized means preferably controlled by the adjusting means 4.
  • a total stroke of 50 to 60 mm is usually sufficient for all user morphologies.
  • the workstation 1 comprises a single motor, and the adjusting means 4 control elements of a wheelhouse 5 to print different movements to the forearm supports 3D, 3G.
  • control means 40 and storage are arranged to allow instantaneous return to a symmetrical position of the forearm supports 3D, 3G, relative to a symmetry plane PS of the work platform 2, in response to an action of a user on a user interface 400 connected to the control means 40 and storage.
  • the user starts from a perfectly symmetrical position, and makes differential adjustments until a working position is obtained that suits him.
  • control means 40 and storage may, again, advantageously be arranged to control, directly or through the adjustment means 4, auxiliary functions, or elevation means 60 arranged to control a vertical movement of the plate working form 2 with respect to a frame 10, or actuating motions 70 of accessories 11 positioned on an upper surface 9 of the working platform 2.
  • the working platform 2 can, if necessary, be inclined, and its cant facing the user can be adjusted, of the order of plus or minus 2 ° with respect to a horizontal plane; beyond these values, it is better to position a multi-axis plate, especially five axes, on the platform 2.
  • the Figures 15 and 16 illustrate a workstation 1, whose supporting structure is a piece of furniture whose lateral uprights are adjustable in height.
  • the workstation comprises a seat for the user, equipped with force sensors connected to the control means 40 and memory.
  • weight sensors allow the control means 40 to apply shorter position modification periods for the heavier persons.
  • control means 40 and storage are then arranged to control the adjustment means 4 to adjust the distance between the seat and the work platform 2.
  • torque or effort sensors are arranged to stop any relative movement in case of pinching or crushing of a limb.
  • such a seat can also be equipped with 3D forearm supports, 3G, to ensure lumbar comfort, a good neck support for the protection of the cervical vertebrae, inclination of the head restraint, or maintenance in the armpits, or other.
  • an elementary module may consist of a single forearm support, 3D or 3G, equipped to allow movements on several degrees of freedom, and pre-arranged for motorization by pre-assembled wheelhouse equipment.
  • the same module may also include an actuating motor, and connections to a user interface 400, control means 40 and storage, and adjustment means 4.
  • a dual module consists of a frame equipped with two supports forearms 3D and 3G, mechanical version predisposed to the motorization, or already motorized.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Prostheses (AREA)
  • Rehabilitation Tools (AREA)
  • Special Chairs (AREA)
  • Mechanical Control Devices (AREA)

Description

Domaine de l'inventionField of the invention

L'invention concerne un poste de travail ergonomique pour horloger comportant, de part et d'autre d'une plate-forme de travail, deux supports d'avant-bras chacun réglable au moins en inclinaison dans un plan vertical, ledit poste de travail comportant des moyens de pilotage et de mémorisation agencés pour piloter des moyens de réglage motorisés pour le déplacement de chaque dit support d'avant-bras selon au moins un degré de liberté.The invention relates to an ergonomic workstation for a watchmaker comprising, on either side of a work platform, two forearm supports each adjustable at least in inclination in a vertical plane, said workstation comprising driving and storage means arranged to drive motorized adjustment means for moving each of said forearm support in at least one degree of freedom.

L'invention concerne le domaine du mobilier technique pour personnel travaillant assis, et accomplissant des tâches de précision à hauteur des yeux.The invention relates to the field of technical furniture for seated staff, and performing precision tasks at eye level.

Arrière-plan de l'inventionBackground of the invention

Les personnes effectuant des tâches manuelles d'horlogerie travaillent souvent avec les mains à hauteur des yeux, et occupent des postes de travail surélevés, où leurs avant-bras sont en position sensiblement horizontale. Malgré cet agencement particulier, ces personnes sont souvent l'objet de troubles musculo-squelettiques, notamment d'épikondylites au niveau du poignet, du coude ou de l'épaule, et de problèmes de colonne vertébrale, ainsi qu'une fatigue difficilement mesurable.People performing manual watchmaking tasks often work with their hands at eye level, and occupy elevated workstations, where their forearms are in a substantially horizontal position. Despite this particular arrangement, these people are often subject to musculoskeletal disorders, including epikondylitis in the wrist, elbow or shoulder, and spinal problems, as well as fatigue difficult to measure.

Le document CH248542 au nom de MEYER & STUEDELI décrit un établi avec des supports d'avant-bras formant, en vue de dessus, un angle obtus entre eux, et chacun incliné selon un plan vertical, et saillant de l'établi vers l'utilisateur pour lui éviter de se pencher en avant.The document CH248542 in the name of MEYER & STUEDELI describes a workbench with forearm supports forming, in top view, an obtuse angle between them, and each inclined in a vertical plane, and protruding from the workbench to the user for him avoid leaning forward.

Le document FR1400357 au nom de SORMEL décrit un établi avec des surfaces de support d'avant-bras symétriques et inclinées chacune dans un plan vertical, de part et d'autre d'une plate-forme horizontale formant plan de travail, notamment sensiblement trapézoïdale, avec laquelle ces supports d'avant-bras forment une surface continue et sans aspérité, couverte de revêtements appropriés, d'une part aux supports d'avant-bras, et d'autre part au plan de travail. On connaît des perfectionnements de ce type d'établi avec des supports d'avant-bras chacun réglables en inclinaison dans un plan vertical par un embiellage.The document FR1400357 in the name of SORMEL describes a workbench with symmetrical forearm support surfaces and each inclined in a vertical plane, on either side of a horizontal platform forming a working plane, in particular substantially trapezoidal, with which these forearm supports form a continuous and smooth surface, covered with appropriate coverings, on the one hand for the forearm supports, and on the other hand the worktop. There are known improvements of this type of workbench with forearm supports each adjustable in inclination in a vertical plane by a linkage.

Les documents CH 394989 et CH 512971 au nom de G.E. SCHLUP &Co. décrivent de tels postes de travail avec des supports d'avant-bras rotulés.The documents CH 394989 and CH 512971 on behalf of GE SCHLUP & Co. describe such workstations with rotated forearm supports.

Le document US2014/020985 au nom de DesRoches décrit un poste de travail automatisé avec certains degrés de liberté automatisés, avec notamment un plan de travail réglable en hauteur, ou entièrement mobile sur un rail circulaire.The document US2014 / 020985 in the name of DesRoches describes an automated workstation with certain degrees of freedom automated, including a worktop adjustable in height, or fully mobile on a circular rail.

Toutefois ces aménagements sont insuffisants pour des personnels qui doivent travailler en permanence avec les coudes appuyés sur une surface d'appui, et avec le dos appuyé sur le dossier d'un siège, et ces pupitres ne comportent pas de moyen de prévention de l'ankylose et des troubles musculo-squelettiques..However, these arrangements are insufficient for staff who must work permanently with the elbows supported on a support surface, and with the back resting on the back of a seat, and these desks do not include means of preventing the ankylosis and musculoskeletal disorders.

Résumé de l'inventionSummary of the invention

L'invention se propose de procurer à l'utilisateur horloger un poste de travail à ergonomie améliorée, plus facilement adaptable à la morphologie de l'utilisateur et aux tâches à effectuer que les systèmes connus de l'art antérieur, et assurant la prévention de troubles musculo-squelettiques.The invention proposes to provide the watchmaker user with a workstation with improved ergonomics, more easily adaptable to the morphology of the user and to the tasks to be performed than the systems known from the prior art, and ensuring the prevention of musculoskeletal problems.

Outre des possibilités de réglage selon plusieurs degrés de liberté, l'invention comporte des réglages motorisés, mémorisables et paramétrables, et les moyens moteurs utilisés pour les réglages autorisent l'exécution programmable de micro-mouvements destinés à prévenir toute ankylose chez l'utilisateur.In addition to adjustment possibilities according to several degrees of freedom, the invention includes motorized, memorizable and parameterizable settings, and the motor means used for the settings allow the programmable execution of micro-movements intended to prevent ankylosis in the user.

A cet effet, l'invention concerne un poste de travail ergonomique pour horloger selon la revendication 1.For this purpose, the invention relates to an ergonomic watchmaking workstation according to claim 1.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où :

  • la figure 1 représente, de façon schématisée, en perspective vue de dessus et depuis l'avant faisant face à un utilisateur, depuis le côté gauche la partie centrale d'un poste de travail ergonomique selon l'invention, où un châssis intégrant des moyens de pilotage, de mémorisation, de réglage, de motorisation et de timonerie, sert de support à une plate-forme de travail, de part et d'autre de laquelle s'étendent deux supports d'avant-bras mobiles selon plusieurs degrés de liberté, qui forment ici chacun un angle de 30° environ avec un plan horizontal, et dont les projections dans un même plan horizontal forment un angle de 90° l'une avec l'autre;
  • la figure 2 est le pendant de la figure 1 en vue depuis le côté droit ;
  • la figure 3 est une vue similaire du même poste de travail dans la même position, vu depuis l'arrière ;
  • la figure 4 est une vue de dessus du même poste de travail dans une position où les projections dans un même plan horizontal forment un angle de 170° l'une avec l'autre;
  • la figure 5 est une vue de dessus du même poste de travail dans la position des figures 1 à 3 où les projections dans un même plan horizontal forment un angle de 90° l'une avec l'autre;
  • la figure 6 est une vue de dessous du même poste de travail, dans une position où les supports d'avant-bras ne sont pas symétriques par rapport à un plan de symétrie de construction de l'ensemble ;
  • la figure 7 est une vue arrière du même poste de travail dans la position des figues 1 à 3 et 5 ; la figure 8 est une vue de droite, la figure 9 est une vue de gauche, et la figure 10 est une vue de face du même ensemble dans la même position ;
  • la figure 11 est une vue de face avec les supports porte-bras dans un plan horizontal ;
  • la figure 12 illustre les angles de lacet, tangage et roulis des supports porte-bras ;
  • la figure 13 illustre, comme la figure 9, un des supports porte-bras constitué de deux parties, supérieure et inférieure réglables l'une par rapport à l'autre, al partie supérieure recevant un accoudoir capitonné ;
  • la figure 14 est un schéma-bocs illustrant la coopération des différents moyens que peut comporter le poste de travail selon l'invention ;
  • les figures 15 et 16 représentent, en perspective et en vue de dessus, un poste de travail selon l'invention, dont la structure porteuse est un meuble dont les montants latéraux sont réglables en hauteur.
Other features and advantages of the invention will appear on reading the detailed description which follows, with reference to the appended drawings, in which:
  • the figure 1 represents, schematically, in perspective from above and from the front facing a user, from the left side the central part of an ergonomic workstation according to the invention, where a chassis incorporating driving means, memory, adjustment, motorization and wheelhouse, serves as a support for a work platform, on both sides of which extend two mobile forearm supports with several degrees of freedom, which form here each an angle of about 30 ° with a horizontal plane, and whose projections in the same horizontal plane form an angle of 90 ° with each other;
  • the figure 2 is the pendant of the figure 1 in sight from the right side;
  • the figure 3 is a similar view of the same workstation in the same position, viewed from behind;
  • the figure 4 is a view from above of the same workstation in a position where the projections in the same horizontal plane form an angle of 170 ° with each other;
  • the figure 5 is a top view of the same workstation in the position of Figures 1 to 3 where the projections in the same horizontal plane form an angle of 90 ° with each other;
  • the figure 6 is a bottom view of the same work station, in a position where the forearm supports are not symmetrical with respect to a construction symmetry plane of the assembly;
  • the figure 7 is a rear view of the same workstation in the position of figs 1 to 3 and 5; the figure 8 is a right view, the figure 9 is a left view, and the figure 10 is a front view of the same set in the same position;
  • the figure 11 is a front view with the arm supports in a horizontal plane;
  • the figure 12 illustrates the yaw, pitch and roll angles of the arm supports;
  • the figure 13 illustrates, as the figure 9 , one of the armrest supports consisting of two parts, upper and lower adjustable relative to each other, the upper part receiving a padded armrest;
  • the figure 14 is a block diagram illustrating the cooperation of the various means that may comprise the workstation according to the invention;
  • the Figures 15 and 16 represent, in perspective and in plan view, a workstation according to the invention, whose supporting structure is a piece of furniture whose lateral uprights are adjustable in height.

Description détaillée des modes de réalisation référésDetailed Description of the Embodiments Referred

L'invention concerne un poste de travail 1 ergonomique pour horloger comportant, de part et d'autre d'une plate-forme de travail 2, deux supports d'avant-bras 3D, 3G, chacun réglable au moins en inclinaison dans un plan vertical.The invention relates to an ergonomic workstation 1 for a watchmaker comprising, on either side of a work platform 2, two forearm supports 3D, 3G, each adjustable at least in inclination in a plane vertical.

Ce poste de travail 1 comporte des moyens de pilotage 40 et de mémorisation, qui sont agencés pour piloter des moyens de réglage 4 motorisés pour le déplacement de chaque support d'avant-bras 3D, 3G, selon au moins un degré de liberté.This workstation 1 comprises driving means 40 and storage, which are arranged to drive motorized adjustment means 4 for moving each forearm support 3D, 3G, according to at least one degree of freedom.

Les moyens de réglage 4 peuvent comporter, non limitativement, des moteurs électriques, des vérins à air, des vérins électriques, ou autres.The adjustment means 4 may comprise, without limitation, electric motors, air cylinders, electric cylinders, or other.

Selon l'invention, les moyens de pilotage 40 et de mémorisation sont agencés pour déclencher, à des instants pré-définis, ou à des instants aléatoires, selon la programmation effectuée, des micro-mouvements des supports d'avant-bras 3D, 3G. De préférence, ces micro-mouvements sont de courte durée inférieure à deux secondes, et sont de courte amplitude angulaire inférieure à 2° ou/et linéaire inférieure à 5 mm. De préférence, de tels micro-mouvements sont déclenchés automatiquement au moins trois fois par heure environ. Bien sûr, il est possible de programmer les moyens de pilotage 40 pour déclencher aussi des mouvements de durée ou/et d'amplitude supérieure, mais le choix préféré des micro-mouvements permet d'éviter toute anomalie dans l'exécution de la tâche en cours, et de prévenir tout rebut.According to the invention, the control means 40 and storage are arranged to trigger, at pre-defined times, or at random times, according to the programming performed, micro-movements of the forearm supports 3D, 3G . Preferably, these micro-movements are of short duration less than two seconds, and are of short angular amplitude less than 2 ° and / or linear less than 5 mm. Preferably, such micro-movements are triggered automatically at least three times per hour. Of course, it is possible to program the control means 40 to also trigger movements of greater duration and / or amplitude, but the preferred choice of micro-movements makes it possible to avoid any anomaly in the execution of the task in question. course, and prevent any discarded.

De façon avantageuse, le poste de travail 1 comporte encore une interface utilisateur 400 reliée aux moyens de pilotage 40 et de mémorisation, pour déclencher d'autres micro-mouvements, ou/et pour en modifier les paramètres.Advantageously, the workstation 1 further comprises a user interface 400 connected to the control means 40 and storage, to trigger other micro-movements, and / or to modify the parameters.

L'interface utilisateur 400 peut comporter un écran-clavier, un écran tactile, ou similaire, des molettes de réglage, ou encore des commandes au pied appréciées par les utilisateurs car leur permettant de tester la modification des réglages au cours de l'exécution d'une tâche. La programmation du poste de travail 1 par apprentissage se fait alors de façon similaire à la programmation par apprentissage réalisée classiquement en robotique.The user interface 400 may comprise a keyboard screen, a touch screen, or the like, adjustment wheels, or foot controls appreciated by the users because it allows them to test the modification of the settings during the execution of the program. 'a spot. The programming of the workstation 1 by learning is then done in a similar way to programming by apprenticeship classically carried out in robotics.

De préférence, l'interface utilisateur 400 est agencée pour lui signaler un défaut de position, signalé par les capteurs, par exemple un différentiel de charge droite-gauche, avant-arrière, ou encore un appui trop fort sur le dossier de son siège, ou sur un repose-pieds, ou sur les supports d'avant-bras 3D, 3G.Preferably, the user interface 400 is arranged to indicate a position error, indicated by the sensors, for example a right-left load differential, front-rear, or too much support on the backrest of its seat, or on a footrest, or on 3D forearm supports, 3G.

Et, classiquement, l'interface utilisateur 400 affiche les informations issues du bureau des méthodes, et les détails propres à la tâche de fabrication, d'assemblage, de conditionnement, de contrôle, ou similaire.And, conventionally, the user interface 400 displays the information from the method office, and details specific to the task of manufacturing, assembly, packaging, control, or the like.

Plus particulièrement, les moyens de pilotage 40 et de mémorisation sont agencés pour mémoriser des premiers paramètres relatifs à un utilisateur donné, et des deuxièmes paramètres relatifs à une tâche donnée, et pour adapter les réglages des supports d'avant-bras 3D, 3G, aux premiers et deuxièmes paramètres.More particularly, the control means 40 and storage are arranged to store first parameters relating to a given user, and second parameters relating to a given task, and to adapt the settings of the forearm supports 3D, 3G, the first and second parameters.

Plus particulièrement les supports d'avant-bras 3D, 3G, comportent des accoudoirs qui renferment des capteurs d'effort reliés aux moyens de pilotage 40 et de mémorisation. Les moyens de pilotage 40 sont de préférence programmés pour surveiller les variations des efforts exercés par un utilisateur sur ces supports d'avant-bras 3D, 3G, et pour avertir l'utilisateur par un signal visuel ou/et sonore, ou/et par le déclenchement d'un tel micro-mouvement.More particularly, the 3D forearm supports, 3G, comprise armrests which enclose force sensors connected to the control means 40 and memorisation. The control means 40 are preferably programmed to monitor the variations of the forces exerted by a user on these forearm supports 3D, 3G, and to warn the user by a visual signal and / or sound, and / or by triggering such a micro-movement.

Avantageusement, de façon particulière, les supports d'avant-bras 3D, 3G, comportent des accoudoirs qui comportent des butées d'accoudoir, par exemple sous la forme d'un rebord de maintien, pour l'appui du coude, lesquelles butées d'accoudoir sont réglables par des moyens manuels, ou par des moyens motorisés qui sont alors avantageusement commandés par les moyens de réglage 4. Une course de 20 à 30 mm de part et d'autre d'une position médiane s'avère en général suffisante pour un bon confort de l'utilisateur.Advantageously, in particular, the forearm supports 3D, 3G, comprise armrests which comprise armrest stops, for example in the form of a holding flange, for the support of the elbow, which abutments armrest are adjustable by manual means, or by motorized means which are then advantageously controlled by the adjusting means 4. A stroke of 20 to 30 mm on either side of a median position is generally sufficient for a good comfort of the user.

Plus particulièrement, les supports d'avant-bras 3D ; 3G, sont chacun réglable au moins en inclinaison dans un plan vertical par pivotement autour d'un axe de tangage ATD, ATG, parallèle à la plate-forme de travail 2.More particularly, 3D forearm supports; 3G, are each adjustable at least in inclination in a vertical plane by pivoting about a pitch axis ATD, ATG, parallel to the working platform 2.

Plus particulièrement, les supports d'avant-bras 3D, 3G, sont chacun réglable au moins en ouverture par rapport à la plate-forme de travail 2, par pivotement autour d'un axe de lacet ALD, ALG, qui est perpendiculaire à la plate-forme de travail 2.More particularly, the forearm supports 3D, 3G, are each adjustable at least in opening relative to the working platform 2, by pivoting about an axis of yaw ALD, ALG, which is perpendicular to the work platform 2.

Dans une réalisation plus complexe, non illustrée par les figures, les axes de lacet ALD et ALG sont écartés d'un entraxe E qui est variable et est réglable par des moyens manuels ou par des moyens motorisés de préférence commandés par les moyens de réglage 4.In a more complex embodiment, not illustrated by the figures, the yaw axes ALD and ALG are spaced apart by a distance E which is variable and is adjustable by manual means or by motorized means preferably controlled by the adjusting means 4. .

Plus particulièrement, les supports d'avant-bras 3D, 3G, sont chacun réglable en roulis autour d'un axe de roulis ARD, ARG, parallèle à une direction longitudinale laquelle s'étend sensiblement le support d'avant-bras 3D, 3G, concerné.More particularly, the 3D forearm supports, 3G, are each adjustable in roll around a roll axis ARD, ARG, parallel to a longitudinal direction which substantially extends the forearm support 3D, 3G , concerned.

Dans une variante particulière, les supports d'avant-bras 3D, 3G, comportent chacun une partie inférieure 31D, 31G, dont le mouvement est commandé par les moyens de réglage 4, et une partie supérieure 33D, 33G, qui est porteuse d'un accoudoir et mobile parallèlement à la partie inférieure 31D, 31G, respective, sous l'action de moyens de réglage d'écartement 32D, 32G réglables par des moyens manuels, par des moyens motorisés de préférence commandés par les moyens de réglage 4. Une course totale de 50 à 60 mm suffit en général pour toutes les morphologies d'utilisateurs.In a particular variant, the forearm supports 3D, 3G, each comprise a lower part 31D, 31G, the movement of which is controlled by the adjustment means 4, and an upper part 33D, 33G, which is a carrier of an armrest and movable parallel to the lower part 31D, 31G, respectively, under the action of spacing adjusting means 32D, 32G adjustable by manual means, by motorized means preferably controlled by the adjusting means 4. A total stroke of 50 to 60 mm is usually sufficient for all user morphologies.

Plus particulièrement, le poste de travail 1 comporte un moteur unique, et les moyens de réglage 4 commandent des éléments d'une timonerie 5 pour imprimer différents mouvements aux supports d'avant-bras 3D, 3G.More particularly, the workstation 1 comprises a single motor, and the adjusting means 4 control elements of a wheelhouse 5 to print different movements to the forearm supports 3D, 3G.

De façon avantageuse, et particulièrement utile lors des réglages initiaux, les moyens de pilotage 40 et de mémorisation sont agencés pour permettre un retour instantané à une position symétrique des supports d'avant-bras 3D, 3G, par rapport à un plan de symétrie PS de la plate-forme de travail 2, en réponse à une action d'un utilisateur sur une interface utilisateur 400 reliée aux moyens de pilotage 40 et de mémorisation. En effet, pour un réglage optimal, l'utilisateur part d'une position parfaitement symétrique, et effectue des réglages différentiels jusqu'à l'obtention d'une position de travail qui lui convienne.Advantageously, and particularly useful during initial adjustments, the control means 40 and storage are arranged to allow instantaneous return to a symmetrical position of the forearm supports 3D, 3G, relative to a symmetry plane PS of the work platform 2, in response to an action of a user on a user interface 400 connected to the control means 40 and storage. In fact, for optimal adjustment, the user starts from a perfectly symmetrical position, and makes differential adjustments until a working position is obtained that suits him.

Les moyens de pilotage 40 et de mémorisation peuvent, encore, avantageusement être agencés pour commander, directement ou par l'intermédiaire des moyens de réglage 4, des fonctions annexes, ou des moyens d'élévation 60 agencés pour commander un mouvement vertical de la plate-forme de travail 2 par rapport à un bâti 10, ou des mouvements de manoeuvre 70 d'accessoires 11 positionnés sur une surface supérieure 9 de la plate-forme de travail 2.The control means 40 and storage may, again, advantageously be arranged to control, directly or through the adjustment means 4, auxiliary functions, or elevation means 60 arranged to control a vertical movement of the plate working form 2 with respect to a frame 10, or actuating motions 70 of accessories 11 positioned on an upper surface 9 of the working platform 2.

La plate-forme de travail 2 peut, encore, si nécessaire être inclinée, et son dévers face à l'utilisateur peut être ajusté, de l'ordre de plus ou moins 2° par rapport à un plan horizontal; au-delà de ces valeurs, il vaut mieux positionner un plateau multi-axes, notamment cinq axes, sur la plate-forme 2.The working platform 2 can, if necessary, be inclined, and its cant facing the user can be adjusted, of the order of plus or minus 2 ° with respect to a horizontal plane; beyond these values, it is better to position a multi-axis plate, especially five axes, on the platform 2.

Les figures 15 et 16 illustrent un poste de travail 1, dont la structure porteuse est un meuble dont les montants latéraux sont réglables en hauteur.The Figures 15 and 16 illustrate a workstation 1, whose supporting structure is a piece of furniture whose lateral uprights are adjustable in height.

Dans une variante plus complète encore, le poste de travail comporte un siège pour l'utilisateur, muni de capteurs d'effort reliés aux moyens de pilotage 40 et de mémorisation. En particulier, des capteurs de poids permettent aux moyens de pilotage 40 d'appliquer des périodes de modification de position plus courtes pour les personnes les plus lourdes.In a still more complete variant, the workstation comprises a seat for the user, equipped with force sensors connected to the control means 40 and memory. In particular, weight sensors allow the control means 40 to apply shorter position modification periods for the heavier persons.

Et, plus particulièrement, les moyens de pilotage 40 et de mémorisation sont alors agencés pour commander les moyens de réglage 4 pour ajuster la distance entre le siège et la plate-forme de travail 2. Naturellement, des capteurs de couple ou d'effort sont agencés pour stopper tout mouvement relatif en cas de pincement ou d'écrasement d'un membre.And, more particularly, the control means 40 and storage are then arranged to control the adjustment means 4 to adjust the distance between the seat and the work platform 2. Naturally, torque or effort sensors are arranged to stop any relative movement in case of pinching or crushing of a limb.

Naturellement, un tel siège peut lui aussi être équipé comme les supports d'avant-bras 3D, 3G, pour assurer un confort lombaire, un bon appui du cou pour la protection des vertèbres cervicales, une inclinaison d'appuie-tête, ou encore un maintien au niveau des aisselles, ou autre.Naturally, such a seat can also be equipped with 3D forearm supports, 3G, to ensure lumbar comfort, a good neck support for the protection of the cervical vertebrae, inclination of the head restraint, or maintenance in the armpits, or other.

L'invention se prête bien à une fabrication modulaire pour améliorer un poste de travail existant. Notamment un module élémentaire peut consister en un support d'avant-bras unique, 3D ou 3G, équipé pour autoriser des mouvements sur plusieurs degrés de liberté, et pré-disposé pour une motorisation par un équipement de timonerie pré-monté. Le même module peut, encore, comporter un moteur d'actionnement, et des raccordements vers une interface utilisateur 400, des moyens de pilotage 40 et de mémorisation, et des moyens de réglage 4. Un module double consiste en un châssis équipé des deux supports d'avant-bras 3D et 3G, en version mécanique prédisposée à la motorisation, ou bien déjà motorisée.The invention lends itself well to modular manufacturing to improve an existing workstation. In particular, an elementary module may consist of a single forearm support, 3D or 3G, equipped to allow movements on several degrees of freedom, and pre-arranged for motorization by pre-assembled wheelhouse equipment. The same module may also include an actuating motor, and connections to a user interface 400, control means 40 and storage, and adjustment means 4. A dual module consists of a frame equipped with two supports forearms 3D and 3G, mechanical version predisposed to the motorization, or already motorized.

Claims (15)

  1. Ergonomic watchmaker's workstation (1) including, on either side of a work platform (2), two forearm supports (3D; 3G) each at least tiltably adjustable in a vertical plane, said workstation (1) including control and storage means (40) arranged to control motorised adjustment means (4) in order to move each said forearm support (3D; 3G) in at least one degree of freedom, characterized in that said control and storage means (40) are programmable in order to trigger, at predefined or random moments, micro movements of said forearm supports (3D; 3G) of short duration, less than two seconds, and of small angular amplitude, less than 2° and/or linear amplitude, less than 5 mm, said workstation (1) further including a user interface (400) connected to said control and storage means (40), to trigger other said micro movements, and/or to modify the settings.
  2. Workstation (1) according to claim 1, characterized in that said control and storage means (40) are arranged to store first settings relative to a given user, and second settings relative to a given task, and to adapt the adjustments of said forearm supports (3D; 3G) to said first and second settings.
  3. Workstation (1) according to claim 1 or 2, characterized in that said forearm supports (3D; 3G) include armrests which contain force sensors connected to said control and storage means (40).
  4. Workstation (1) according to any of claims 1 to 3, characterized in that said forearm supports (3D; 3G) include armrests that comprise armrest stops to support the elbow, said armrest stops are adjustable by manual means or by motorised means controlled by said adjustment means (4).
  5. Workstation (1) according to any of claims 1 to 4, characterized in that said forearm supports (3D; 3G) are each at least tiltably adjustable in a vertical plane by pivoting about a pitch axis (ATD; ATG) parallel to said work platform (2).
  6. Workstation (1) according to any of claims 1 to 5, characterized in that said forearm supports (3D; 3G) are each at least opening angle adjustable with respect to said platform (2), by pivoting about a yaw axis (ALD; ALG) perpendicular to said work platform (2).
  7. Workstation (1) according to claim 6, characterized in that said yaw axes (ALD; ALG) are separated by a centre-to-centre distance (E) which is variable and adjustable by manual means or by motorised means, which are then controlled by said adjustment means (4).
  8. Workstation (1) according to any of claims 1 to 7, characterized in that said forearm supports (3D; 3G) are each swivel adjustable about a roll axis (ARD; ARG) parallel to a longitudinal direction in which said forearm support (3D; 3G) concerned substantially extends.
  9. Workstation (1) according to any of claims 1 to 8, characterized in that said forearm supports (3D; 3G) each include a lower part (31D; 31G), the movement of which is controlled by said adjustment means (4), and an upper part (33D; 33G), which carries an armrest and is movable parallel to said respective lower part (31D; 31G), under the action of distance adjustment means (32D; 32G) adjustable by manual means, or by motorised means which are then controlled by said adjustment means (4).
  10. Workstation (1) according to any of claims 1 to 9, characterized in that said workstation (1) includes a single motor, and in that said adjustment means (4) control elements of a linkage assembly (5) to impart different movements to said forearm supports (3D; 3G).
  11. Workstation (1) according to any of claims 1 to 10, characterized in that said control and storage means (40) are arranged to instantaneously return said forearm supports (3D; 3G) to a symmetrical position relative to a plane of symmetry (PS) of said work platform (2), in response to an action of a user on a user interface (400) connected to said control and storage means (40).
  12. Workstation (1) according to any of claims 1 to 11, characterized in that said control and storage means (40) are arranged to control, directly or via said adjustment means (4), additional functions, or elevation means (60) arranged to control a vertical movement of said work platform (2) with respect to a frame (10) or operating movements (70) of accessories (11) positioned on an upper surface (9) of said work platform (2).
  13. Workstation (1) according to any of claims 1 to 12, characterized in that said workstation (1) includes a supporting structure which is a piece of furniture with height adjustable side bars.
  14. Workstation (1) according to any of claims 1 to 13, characterized in that said workstation (1) includes a chair provided with force sensors connected to said control and storage means (40).
  15. Workstation (1) according to claim 14, characterized in that said control and storage means (40) are arranged to control said adjustment means (4) to adjust the distance between said chair and said work platform (2).
EP15177030.2A 2015-07-16 2015-07-16 Ergonomic workstation for clockmaker Active EP3117965B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15177030.2A EP3117965B1 (en) 2015-07-16 2015-07-16 Ergonomic workstation for clockmaker
US15/163,820 US10028577B2 (en) 2015-07-16 2016-05-25 Ergonomic watchmaker's workstation
JP2016125403A JP6178899B2 (en) 2015-07-16 2016-06-24 Work station for an ergonomic watchmaker
CN201610560716.6A CN106354000B (en) 2015-07-16 2016-07-15 Meet watchmaker's work station of ergonomics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15177030.2A EP3117965B1 (en) 2015-07-16 2015-07-16 Ergonomic workstation for clockmaker

Publications (2)

Publication Number Publication Date
EP3117965A1 EP3117965A1 (en) 2017-01-18
EP3117965B1 true EP3117965B1 (en) 2018-02-28

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EP15177030.2A Active EP3117965B1 (en) 2015-07-16 2015-07-16 Ergonomic workstation for clockmaker

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US (1) US10028577B2 (en)
EP (1) EP3117965B1 (en)
JP (1) JP6178899B2 (en)
CN (1) CN106354000B (en)

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US20170013958A1 (en) 2017-01-19
JP2017024164A (en) 2017-02-02
CN106354000B (en) 2018-09-21
US10028577B2 (en) 2018-07-24
EP3117965A1 (en) 2017-01-18
JP6178899B2 (en) 2017-08-09
CN106354000A (en) 2017-01-25

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