• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    SUMMARY Workstation for a user (10), in particular intended for a user's (10) keyboard work, the workstation (11) comprising a working surface (12) movable relative to the workstation (11), a motor (16) arranged to (11) work surface (12), when the work station (11) with its working surface (12) is in a first lower vertical position (LL), down and forward from an upper position (UTP) to a lower position (LTPSii) and from said lower position (LTPS) back to said upper position (UTP) according to a fixed stroke (42, 43) for a first movement pattern, said motor (16) being adapted to drive said work surface (12) of the workstation (11) when the workstation (11) with its working surface (12) is in a second upper vertical position (UL) in a second movement pattern deviating from the first movement pattern. (Fig. 2)
    公开号:SE1650929A1
    申请号:SE1650929
    申请日:2016-06-28
    公开日:2017-12-29
    发明作者:Hansson Jens；Munck Birkmand Thor
    申请人:Workmotions Ab；
    IPC主号:
    专利说明:

    ERGONOMIC WORKSTATIONTECHNICAL FIELD The present invention relates to workstations with workstations at which staff work in office work, in particular keyboard work atcomputers.
    Background of the inventionThe number of people who sit still at work and perhaps in particular use a computer is constantly increasing and so is the number of hours that these people spend sitting. Since the human body is not made for purely static work, this type of work increasingly not only leads to the person performing the work being uncomfortable, but also to injuries such as muscle pain and joint wear. The reasons for these injuries are probably not fully investigated at the time of writing, but one of the factors is considered to be the reduced blood circulation in statically contracted muscles.
    In order to improve the ergonomics of sedentary work, many constructions have been presented over the years, intended to provide good setting options so that the workplaces can be adapted to the person who is to be used. To avoid or at least reduce the purely static work of, for example, keeping the arms up during keyboard work, special wrist rests have been designed (US 5,158,256). In addition, in order to improve circulation, furniture with a built-in ability for continuous small movements has been designed so that the working position is varied, for example by means of motor operation (US 6,296,408).
    From the Swedish patent SE 529025 a workstation intended for a computer keyboard is previously known which workstation comprises a movable work surface which is driven by a motor in a continuous downward movement from an upper position toa lower position and back to the upper position.
    Object of the invention The object of the invention is to further develop a workstation by integrating a seating workplace with a standing workplace and to createcustom movement patterns for the workstation workspace.2A further object is that such movement patterns can be adapted to the vertical position of the finishing station.
    In addition, the object of the invention is that such a developed workstation is connected to an operating unit with which the movements of the work surface can be determined.and maneuvered.
    Summary of the inventionThe present invention, as set forth in the independent patent claim, fulfills the above stated objects, wherein said disadvantages have been eliminated. Suitable embodiments of the invention are set out in the dependent claims.
    The invention relates to a workstation, in particular intended for keyboard work, wherein the workstation comprises a working surface movable in the relation to the workstation. This work surface forms part of the other work surface of the workstation, but the former is movable in relation to the other stationary work surface. A motor is arranged to drive the movable working surface of the workstation, when the workstation with its working surfaces is in a first lower vertical position, downwards and forwards from an upper position to a lower position and from said lower position back to said upper position according to a certain stroke leading first movement pattern. In addition, said motor is adapted to said movable working surface of the drive workstation when the workstation with its working surface is in a second upper vertical position in a second movement pattern deviating from the first movement pattern. In this case, the same motor can be adapted to additionally drive the workstation between said lower position and said upper position. Self-embodiments which comprise several motors each adapted to pre-specific movements are encompassed by the invention. For example, a first motor may be adapted to drive the workstation between said lower position and said upper position, a second motor may be adapted to drive the work surface according to a first movement pattern in the lower position of the workstation and a third motor may be adapted to drive the work surface according to a second deviating movement pattern. in the upper position of the workstation.
    The movement pattern of the movable work surface comprises a maximum of four reciprocating movements, namely a vertical position change, a horizontal forward position change, a horizontal lateral position change and a3angular movement. Each movement pattern includes at least one measure of vertical position change and / or one measure of horizontal position change. In addition, a second degree of angular change may be included in the second movement pattern. The magnitude of the four movements can be determined individually for each selected movement pattern.
    In one embodiment of the invention, the stroke of the working surface movement in the second upper vertical position of the workstation is less than the stroke of the working surface movement in the first lower vertical position of the workstation. The stroke includes the horizontal stroke and / or the vertical axis stroke.
    In an embodiment of the invention, the motor is arranged to drive the work surface continuously in a reciprocating motion, horizontal and / or vertical. Such continuous movement means that the elbow joints and shoulders of single users will be continuously subject to an angular change during the movement of the work surface.
    In an embodiment of the invention, the working surface is further arranged at the same time angled in the direction of the user when the working surface moves from the user or angled towards the user, respectively, when the working surface moves towards the user.
    In an embodiment of the invention, at least two movements are connected to each other, which means that they take place simultaneously.
    In an embodiment of the invention, the movable working surface is suspended by ice swing arms.
    In an embodiment of the invention, the arm lengths are variable for the pivot arms, which means that the movements can be forcibly controlled.
    In an embodiment of the invention, the movable working surface or a part thereof is displaceable laterally for adjustment and / or for driven lateral movement.
    In an embodiment of the invention, the movements of the work surface are program-controlled and can be controlled via a control unit.
    The invention contributes to improving the conditions for an earlier sedentary work using a movable work surface with the movement variation obtained by also determining a movement pattern for that movable work surface for a standing work at the workstation. The continuous change of the working position with hitherto present devices has been relatively small and the movements are thereby not sufficiently dynamically optimized to improve the blood circulation as much as is required to reduce4the risk of e.g. a. muscle pain and at the same time avoid discomfort such as dizziness in working positions other than sitting. Against this background, the object of the invention is to provide a device which offers that the workstation can be used for standing work and thereby offer a specially adapted movement pattern for standing work. Through movement in the joints and muscles of the upper extremities also during standing work, an improved blood circulation is also made possible during this standing part of the work without having to sacrifice the users' other well-being and productivity.
    In accordance with the invention, this task is solved by arranging the work table, or a part thereof, for example a work surface carrying a keyboard, movably along a path of movement extending downwards forward from the user. This movement path is also offered for standing work but according to a deviating movement pattern. In addition, the path of movement can be connected to the inclination of the work table or the keyboard so that an angle in the direction of movement can take place simultaneously.
    By arranging the work surface for a workstation in any of the above-described ways, in particular with regard to keyboard work, the work surface can be moved a relatively long distance from the body or towards it, even when standing work without the work becoming uncomfortable. The angular ranges within which the hands and fingers work optimally can be maintained while the arms and shoulders can perform relatively large movements that provide a significantly improved blood circulation and correspondingly improved comfort and well-being.
    In order to further improve the mobility during the work during the work, the edge keyboard during the work is also moved laterally back and forth.Within the scope of the invention, motor operation is conceivable with the aid of cams, levers, and so on. Alternatively, it is conceivable that the working surface in combination with the above-mentioned motor drive is movable along a guide which is spring-biased towards the user so that he can push away the working surface himself and that the working surface then slowly returns, which can be used by an air cylinder and a spring. The end positions can be determined by means of suitable stops or by the stroke of the motor device. The angular movement of the disc can also be provided with end position stops and perhaps with the same frequency as for the disc or at a different tempo. Furthermore, the movements of the work surface can be program-controlled.
    The present invention relates to an extension of prior art functionsregarding the movement pattern of the work surface. A coupling is made according to the present invention between the user's sitting or standing position and the movement pattern on the movable plate. The height-adjustable desk, in which the movable work surface is mounted, vertical position in sitting position or standing position determines which stroke the working surface of the workstation keyboard, i.e. work surface, has. By shifting from sitting to standing, the stroke of the movable work surface is changed by reducing, for example, an absolute length in cm or a percentage of the total stroke, and when reversing from standing to sitting, the stroke is changed by scaling up again, so that the stroke becomes the same as in previous use in the sitting position. These movement patterns of the workstation's work surface are controlled via a programmed software. The seating position or the steel position of the workstation is set depending on the user's body constitution either manually or automatically by a camera, or other optical measuring equipment, recording the user's length when the user has stood at the workstation.
    Users generally have a tendency to lean more towards the table when standing up to take some support and / or find balance, and in particular they like to use their wrists as support. Therefore, the body movement in relation to the moving work surface changes, consciously or unconsciously, when standing up, as the user may lean slightly inwards over the desk as the moving work surface moves downwards and then may move outwards again as the moving work surface moves upwards. . If the position of the upper body changes due to the user taking support against the moving plate, the angle of view between the eye and the screen will also change and this may give rise to slight dizziness. By shortening the stroke in the movement pattern when used in a standing position, this desired balance effect can be suppressed. It is also conceivable that with one or more keystrokes on a control panel you can achieve the change in stroke, instead of letting this be controlled automatically based on the desktop's set height.Within the scope of the invention, it is also included that a user has the possibility of varying the speed of the moving work surface, in order in this way to be able to increase or decrease the number of completed cycle cycles per unit of time. This function is based on the fact that a larger number of completed cycles per unit of time gives a stronger rehabilitative as well as preventive effect up to a breaking point, when the speed becomes6so high that it becomes a physiological load.
    The workstation with its movable work surface is also equipped with functions for reduced electricity consumption by using a presence sensor which can be of the capacitive, IR, light beam type, etc. Alternatively, this presence sensor can consist of a microswitch during a wrist with the switch built into the moving work surface to generate a " dead man's grip ”which switch also functions as a switch for reduced electricity consumption. Sensors that offer anti-slip protection or monitoring in the vicinity of moving mechanical parts could also be relevant additions.
    Additional functions in the workstation are to use a mobile phone-based so-called App, application program, with Bluetooth function that detects if a user is nearby and if not, closes the workstation. This function can also be achieved with an RFID handset, for example designed as a key ring or in another way. For example, the timer can be connected to a "Play" button with a specific duration and then order shutdown.
    Additional functions in the workstation are an improved work space through a sensor sensing the legroom through a legroom sensor that adjusts the height of the workstation to the current seating position of a person. An additional alternative function is that an additional button on the workstation's actuator, membrane keyboard, means that a desk with an integrated workstation with a movable work surface can be made to comply with the requirements in relevant standards, for example EN527-1 for example legroom in height.Within the scope of the invention, a functionality is also included for individualizing the use of the ergonomic workstation, for example by automatically setting the workstation's parameters for its movement patterns via Bluetooth, App-based, RFID, hardware-based, or other communication link such as movement speed, upper and lower turning position, etc. individualization and associated control of the parameters of the electrically height-adjustable desk stand, in particular height are covered by the invention.
    Additional ideas within the scope of the invention are alternative drives and mechanical controls of the movable plate in the workstation. For example, use linear motor or stepper motor operation as well as rail control instead of as before,county karmar.7Additional areas of application for the present invention are supermarket checkout lines, power plant monitoring centers, machine operator stations in manufacturing companies, cabs in commercial vehicles such as forestry machines, etc.
    Brief Description of the Drawings The invention now comes with references in connection with the accompanyingdrawing figures to be described in more detail.
    Figure 1 schematically shows a workstation in a lower position according to an embodiment of the invention.
    Figure 2 schematically shows a workstation in an upper position according to an embodiment of the invention.
    Figure 3 shows a control panel for the workstation.
    Figure 4 shows a first movement pattern of the work surface.
    Figure 5 shows a second movement pattern of the work surface.
    Description of the inventionFigure 1 schematically shows a seated user 10 at a workstation 11i a first lower vertical position LL. The workstation 11 is provided with a movable working surface 12 which is movable at least downwards and forwards from an upper position to a lower position and from said lower position back to said upper position according to a determined stroke in a path of movement for a first movement pattern. The work surface forms part of a support surface, usually a table top on which, for example, a keyboard and a computer mouse can be placed, which perform the movement patterns to be described in the following. By "work surface" is thus meant hereinafter also the surface that includes the work surface. The work surface 12 is in its uppermost position flush with the surface of the stationary table top 14. The work surface 12 in the figure is shown in two positions according to a selected movement pattern where the work surface 12 in the shown upper position has moved downwards and forwards from the table surface level. In the lower second position shown in the figure, the work surface 122 has moved further downwards and forwards from the level of the table surface and also angled 15 ° away from the user 10. The workstation 11 is provided with a front member 13 formed as a plate which eliminates the gap between the workstation 11stationary table 14 and the movable work surface as it moves downwards.8The task of the front member is primarily to avoid pinch injuries but also to prevent the keyboard from falling off the moving work surface. The table is preferably provided with a retraction arranged in the table edge and in this a smaller plate with said working surface 12 fits in, which plate with working surface is movable in a path which extends downwards and into under the table, i.e. from the user. The worktop surface 12 is suspended on the underside of the table in pivot arms attached to a bracket, not shown. The figure also shows a motor 16 which in the embodiment shown is placed on the underside of the table 14 and is intended to drive the work surface 12 according to a preselected movement pattern.
    Regardless of the angular position or degree of projection of the disc, the angle between the hand and the disc is maintained. This means that the user's hands 15, during the entire path of movement of the work surface 12, can maintain their position relative to, for example, a keyboard and any associated support while the wrist works at different angles relative to the forearm. As a result, parts of the musculoskeletal system, for example the tendons that connect the fingers to the associated muscles, will receive a superimposed movement.The elbow joint and the shaft also receive continuous angular changes during the motor-driven movement of the disc back and forth between the positions shown in Figure 1.
    Figure 2 shows the workstation 11 in an upper vertical position UL which corresponds to a standing workplace for a user 10. In this upper position UL is the trajectory identical to the trajectory in the lower position LL, indicated by a dashed line, however the pattern of movement is different. The figure shows this movement pattern as if the work surface 12 in the shown upper position has moved downwards and forwards the level of the outboard surface. In the lower position shown, the working surface 122 has moved further downwards and forwards from the table surface level, but not as far downwards as the workstation with its working surface is in the first lower vertical position according to Figure 1. Within the scope of the invention, the path of movement may also be different. positions, for example that the work surface in the sitting position according to figure 1 is moving further in under the table than in the steel position according to figure 2. In such an embodiment with deviating paths of movement, the front member 13 is made of resilient material, for example plastic or rubber, or replaced by safety equipment. The movement pattern according to Figure 2 has an angle of the working surface 12 which is smaller than its angle in Figure 1. Thus the working surface 12 has a movement pattern deviating from the first movement pattern according to Figure 1 when the workstation911 is in a second upper vertical position UL according to Figure 2. Figure 2 also shows the stroke of the movement of the work surface 12 in the second upper vertical position UL of the workstation 11 is shorter than the stroke of the movement of the work surface 12 in the lower vertical position LL of the workstation 11. The motor 16 can also be adapted for driving the workstation with its working surface between the first lower vertical position LL and the second upper vertical position UL. The path of movement defines the horizontal and vertical movement of the work surface, while the movement pattern includes the path of movement, the upper and lower positions of the path of movement and the angle of the work surface.
    The disc with the working surface 12 is also movable laterally, which can take place at its own pace or synchronized with one of the other movements. Instead of allowing the entire disc to move laterally, it is conceivable that a part of the disc is movable laterally and is intended to support a keyboard, not shown in more detail. The reciprocating movement of the keyboard ensures that the reciprocating movement of the arms does not occur along the exact same path each time, which further reduces the risk of wear, while improving blood supply. This lateral movement may also include an angular movement of the work surface.
    The motor-driven movement or movements do not have to follow the same cycle all the time, but the stroke length and the turning points can be varied in time by, for example, reversing the direction of rotation of the motor. The variation can also take place randomly.
    Instead of motor operation, it is conceivable that the user presses the table away from himself against the action of a spring. It is also conceivable that the table in addition to the motor drive also has a limited suspension.
    The desired movements or areas of movement can also be achieved with movement elements other than those described above, for example cooperating linear guides or rotating motors acting directly on relevant axes, allowing varying paths of movement.
    By avoiding a static working position, the work also becomes more comfortable and less tiring.
    Figure 3 shows an embodiment of a control panel 30 for controlling and programming the movements of the work surface. The control panel 30 is provided with a home position button 31 with which the vertical position of the workstation returns to its upper position and the panel is switched off. A start button 32 regulates workstation continuous movement. A pause button 33 is used to stop workstation movements. In addition, a parameter adjustment button 34 is provided to increaserespectively, reduce, +/-, speeds and positions and any angles of the work surface. The control panel 30 is further provided with setting buttons 35, 36, 37 of which a speed button 35 regulates the speed of movement of the work surface and a single position button 36 for determining the upper turning position, UTP, of the work surface. a bottom position button 37 for a determination of the lower turning position, LTP, the working surface. These setting buttons are used together with the +/- button 34 to indicate the selected position which is shown on a stroke indicator 38. Similarly, the +/- button 34 is used together with the speed button 35 to indicate the selected speed on a speed indicator 39. The stroke and speed indicators are designed as LEDs .Within the scope of the invention, mention may be made of another embodiment of the control panel which can also regulate the degree of angular change of the working surface and during which distance the angular change is to be effective.
    Figure 4 shows a first movement pattern of the work surface where the upper turning position, UTP, of the working surface 12 is close to the maximum upper position which is indicated on the Z-axis. In case the workstation is in an upper vertical position corresponding to a stand, the work surface 12 will move downwards and forwards, i.e. in a direction away from the user, from the upper turning position, UTP, to the lower turning position, LTPSiand, and from said lower turning position back said upper turning position according to a determined horizontal and vertical stroke for this first movement pattern. The horizontal stroke 41 corresponds to the horizontal movement of the working surface 12. As can be seen from the figure, the pouring working surface is substantially horizontal during the entire movement, which substantially corresponds to the curvature of the front member 13. The vertical stroke consists of the UTP-LTP-like figure.
    In case the workstation is in a lower vertical position corresponding to a seat, see Figure 1, the work surface 12 will also move signed and forward, i.e. in a direction away from the user, from the upper turning position, UTP, to the lower one. the turning position, LTPSii, and from said lower turning position back to said upper turning position, UTP, according to a determined horizontal and vertical stroke for this first movement pattern. This movement is defined as a one-movement cycle of the work surface 12. As shown in Figure 4, the horizontal stroke 42 in the sitting position is longer than the horizontal stroke 41 in the standing position. In addition, the vertical stroke 43 in the sitting position, UTP - LTPSii, is longer than the11vertical stroke 44 in the UTP - LTPsiand position which is LTPSii. + ALTP.
    The movements of this first movement pattern may be continuous or intermittent and in which later case the movement is stopped after a certain number of cycles and then restarted after a certain period of downtime and continues in the same intermittent manner. A stop can also take place within a movement cycle.
    Figure 5 shows a second movement pattern of the working surface 12 where its leading edge moves along the front member 13. According to this second movement pattern the working surface 12 will also avoid an angular rotation which in the lower turning position of the seat, LTPSii, assumes the value ß from having the upper turning position, UTP. similarly, the working surface 12 in the lower turning position of the steel position, LTPSiand, will undergo an angular rotation which assumes the value oi from being 0 ° or close to 0 ° in the upper turning position, UTP. As can be seen from the figure, oi <ß is usually.
    For possible embodiments, 0 ° s o 20 °, preferably 10 ° and att 0 ° s ß s 35 °, preferably 20 °.
    Thus, oi = 0 and ß = 0 for the first movement pattern shown in Fig. 4, while the angles of the second movement pattern shown in Fig. 5 assume angles different from 0.Also a third movement pattern where the working surface in the position in LTPsiand shows oi = 0 while the working surface in the position LTPSsii shows ß vi 0 and for example assumes the value 20 °.
    Correspondingly, a fourth movement pattern can be identified.
    权利要求:
    Claims (9)
    [1]
    Workstation, in particular for keyboard work of a user (10), the workstation (11) comprising a work surface (12) movable relative to the work station (11), a motor (16) arranged to the work surface (12) of the drive workstation (11), when the workstation (11) with its working surface (12) is in a first lower vertical position (LL), in a downward movement and from an upper position (UTP) to a lower position (LTPSii) and from said lower position (LTPSii) back to said upper position (UTP) according to a determined stroke (42, 43) for a first movement pattern, characterized in that said motor (16) is adapted to drive said work surface (11) of the workstation (11) with the workstation (11) with its work surface ( 12) is in a second upper vertical position (UL) in a second movement pattern deviating from the first movement pattern.
    [2]
    Workstation according to claim 1, characterized in that the stroke (41, 44) of the movement of the working surface (12) in the second upper vertical position (UL) of the workstation (11) is less than the stroke (42, 43) of the movement of the working surface (12). in the first vertical position (LL) of the workstation (11).
    [3]
    Workstation according to one of Claims 1 to 2, characterized in that the motor (16) is arranged to drive the work surface (12) continuously in a reciprocating motion.
    [4]
    Workstation according to one of Claims 1 to 3, characterized in that the working surface (12) or a part thereof is displaceable laterally for adjustment and / or for driven lateral movement.
    [5]
    Workstation according to any one of claims 1 - 4, characterized in that the working surface (12) is further arranged that at the same time as said movement is angled in the direction from the user (10) when the working surface (12) moves from the user (10) and angled towards the user ( 10) when the work surface (12) moves towards the user (10).
    [6]
    Workstation according to claim 5, characterized in that the maximum angular movement oi in the first lower vertical position (LL) is 0 ° s oi s 20 °, preferably 10 °.
    [7]
    Workstation according to one of Claims 5 to 6, characterized in that the maximum angular movement ß in the second upper vertical position (UL) is 0 ° s ß s 35 °, preferably 20 °.
    [8]
    Workstation according to one of the preceding claims, characterized in that the movements are connected to one another.
    [9]
    Workstation according to one of the preceding claims, characterized in that the movements of the working surface (12) are program-controlled and can be controlled via a control unit (30).
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    同族专利:
    公开号 | 公开日
    US20190335896A1|2019-11-07|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1650929A|SE539984C2|2016-06-28|2016-06-28|Ergonomic workstation|SE1650929A| SE539984C2|2016-06-28|2016-06-28|Ergonomic workstation|
    PCT/SE2017/050639| WO2018004422A1|2016-06-28|2017-06-15|Ergonomic workstation|
    EP17820641.3A| EP3474702A4|2016-06-28|2017-06-15|Ergonomic workstation|
    US16/313,578| US10758040B2|2016-06-28|2017-06-15|Ergonomic workstation|
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