EP0969752B1 - Computer work station (elastic or movable) arm rests - Google Patents

Computer work station (elastic or movable) arm rests Download PDF

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Publication number
EP0969752B1
EP0969752B1 EP98912400A EP98912400A EP0969752B1 EP 0969752 B1 EP0969752 B1 EP 0969752B1 EP 98912400 A EP98912400 A EP 98912400A EP 98912400 A EP98912400 A EP 98912400A EP 0969752 B1 EP0969752 B1 EP 0969752B1
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EP
European Patent Office
Prior art keywords
support element
armrest
support
spring
moveable
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EP98912400A
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German (de)
French (fr)
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EP0969752A1 (en
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Hans Rückstädter
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C16/00—Stand-alone rests or supports for feet, legs, arms, back or head
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/58—Rests or guides for relevant parts of the operator's body
    • 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
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/58—Rests or guides for relevant parts of the operator's body
    • G05G1/62—Arm rests

Definitions

  • the invention relates to movable armrests for computer workstations, according to the preamble of claim 1. Long-term and precise (mouse) work should be supported. But other activities that can be carried out at the table level are also supported.
  • a forearm support for operating the so-called “mouse” is known.
  • This known forearm support has a holder 1 for clamping onto a table top and a rotating mechanism. If the forearm lies on this known forearm support and if a mouse is to be moved linearly towards the swivel joint, for example, this known armrest counteracts the movement of the forearm by the armrest inevitably moving the forearm along a circular path despite an intended straight-ahead movement. The user of the armrest must try to compensate for the "misleading" by the known armrest. This known armrest is therefore unsuitable.
  • DE 29 10 855 Al describes a typewriter type writing support for the hands.
  • a long, oval, rounded support bracket for supporting the arm joints when operating a typewriter keyboard is arranged between two forked brackets.
  • the brackets are equipped with screw clamps to attach the typewriter support to the desk.
  • the design transmits kinetic energy to the table and may interfere with the monitor and therefore requires stable desks, which must even be shaped appropriately.
  • the support interferes with the body of the worker and takes up space. It looks optically modest because it is large. When moving, there is friction on the support against the arms, which one feels annoying. The moving joints need to be serviced. It is obvious that this typewriter writing support is only used to operate a typewriter keyboard and is neither suitable nor intended for the use of a computer mouse.
  • a resilient support device for the elbows when typing is known.
  • a support shell for an elbow is provided on one side and a clamping device on the opposite side for vertically attaching the resilient telescopic part to the seat of a seat.
  • the construction should start from the seat of the chair so that every time the chair is moved, a movement is transferred to the arm. Problems with coping with the height differences between the chair and table are also to be expected, and only special furniture may then be considered.
  • the telescopic arm has to be technically serviced, otherwise it may get stuck slightly, and must be of a correspondingly heavy and expensive construction, so that it is somewhat smooth-running. Visually, it disturbs due to the size. It is obvious that this known elbow support is not suitable for operating a computer mouse; because it even prevents the forearm from moving when the computer mouse is moved.
  • GB 22 52 530 A describes an armrest for supporting the forearm of a typist.
  • the proposal for a forearm support is exhausted by the use of three joints 18, 26 and 32, which are provided between the two arms 20 and 28.
  • the first joint 32 is rotatably arranged in one plane on a bracket which can be clamped to a table
  • the second support arm 20 is horizontally rotatably provided on the central joint 26 in the same axis
  • the outer end of the second support arm 20 carries a support shell 12 which is shown in FIG the joint is rotatably mounted.
  • US 5 472 161 describes a support for supporting the wrist when using a typewriter keyboard.
  • This known support consists of a bracelet on which a kind of "trolley” is provided, which lifts and supports the wrist and can move back and forth on the table top.
  • This sliding aid attached to the arm must be buckled on and off every time; doing it there problems on the skin on the user's wrist also arise.
  • the desk surface must always be tidy.
  • the height of the arm cannot be adjusted or can only be adjusted to a limited extent.
  • the movement into the depth of the table surface is also possible only to a limited extent, since the rollers then hit the keyboard or other things.
  • the rollers have to be serviced, because if they run hard because they are dirty, they annoy more than they are useful.
  • This known armrest is neither suitable nor intended for operating a computer mouse. Such a known rollable wrist support would constantly hit the rubber mat and would only hinder the use of the computer mouse.
  • US 4,822,103 relates to a forearm support which is attached to the left and right of a seat.
  • a holding element 3 projecting vertically upwards carries at its upper end a support surface 1 which, supported on balls, can move forwards and backwards following the movement of the Unterannes.
  • Springs 9 and 10 ensure that the Unterann support 1 returns to its rest position after a lack of force from the forearm.
  • This known forearm support is neither intended nor suitable for supporting the forearm when operating a computer mouse. Due to its design, it only supports the operation of controls that are in the immediate vicinity of the operator's seat. In addition, it only supports forearm movement in the forward and backward directions.
  • This forearm support is specially designed to briefly deflect an operating lever and the like from a rest position into an actuating position forwards and also straight ahead by supporting the return of the forearm to its rest position via springs 9 and 10. It is obvious that such a support is unsuitable for the operation of a computer mouse and only complicates its use because the user alone is concerned with preventing his forearm from being returned to a rest position.
  • a forearm support for arrangement between the seats of a vehicle is known.
  • the height-adjustable device has a support surface 26 which can be adapted to the seating position of the user of the vehicle seat, pushed forwards and backwards and is firmly fixed in a preset position. It is obvious that this device for supporting the forearm when using a computer mouse is neither suitable nor intended.
  • an armrest with three or more flexible support elements 12, 14 and 16 is known from US Pat. No. 4,069,995, all of which are to be arranged in a regular polygon vertically between a (complex) table 18 and a base plate 20 (which can be considered as a foot).
  • a cylinder 38 Central in the Base plate 20 is a cylinder 38 which is displaceable in height and which carries at its upper end an arm rest 22 (only) which can be inclined by means of a joint 34; because this means that the edition always falls into an imbalance when not in use. If the forearm is deflected from its rest position, the table 18 is also deflected, the table 18 remaining parallel to the base plate 20 during the deflection.
  • this known arrangement leads the forearm back to its rest position by means of the flexible support elements.
  • This armrest is attached next to the seat of a chair or the like. On which the user is sitting, and is therefore obviously not suitable or intended for use on the floor, and thus not for the operation of an operating element which is lying or standing on a table , as with a computer mouse, neither suitable nor intended.
  • the deflection for operating a computer mouse and the like would also be too small and the constant return of the forearm to its rest position would be disruptive.
  • the construction of this known armrest is quite complicated and requires a lot of effort in its manufacture, which makes the armrest expensive, bulky and unacceptable.
  • the invention has for its object to provide a movable anvil which facilitates the operation of a computer mouse or an operating element at a computer workstation.
  • the armrest should also be easy to fold away or put away.
  • the support stands with a stand on the floor: On the floor, the wire circle with 3 feet and / or the cross or tripod are an alternative to the material-consuming plate.
  • the vertical stand from the floor to the support can be somewhat elastic. So it facilitates the movement of the arm above.
  • the rod can be made of steel, elastic from glass fiber or from a coiled spring (possibly also with different radii), or from a band spring in order to allow sufficient movement for the support structure attached above.
  • One or two torsion springs (at the foot of the bar) also allow a deflection at the top.
  • a telescopic rod makes it easier to put away when not in use. The advantage is then that the height of the device can be easily adjusted.
  • a spring-loaded locking of slidable tubes allows fixed heights and is therefore easy to use but not continuously adjustable.
  • a wing screw can be used for fixing.
  • Several insertable spacer sleeves could also be used for this. If the support is not required, the support can also be made smaller or disappear by folding the upper part downwards.
  • a rounded pad (possibly padded) (to the side and down) protects the skin and clothing. You can also add additional suspension (with a band or spiral spring).
  • the shape of the armrest can be from round to oval elongated (approx. 10 cm long). An elongated indentation from above allows good arm contact, which supports the (rotational) movement without slipping down.
  • the armrest should definitely have a swivel or swivel for attachment.
  • the shell of the support towards the table should be as thin as possible so that it does not hit the table.
  • the support element is formed by springs and a height-adjustable telescopic element. So the support can be adjusted and reduced and placed under the table.

Landscapes

  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Position Input By Displaying (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Passenger Equipment (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Special Chairs (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Shovels (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Switches With Compound Operations (AREA)
  • Finger-Pressure Massage (AREA)
  • Seats For Vehicles (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

A movable armrest is provided which has a floor support, a support element extending upwardly from the floor support, and a trough-shaped armrest member attached to a top end of the support element, the support element being arranged to move the armrest member horizontally relative to the floor support. The support element may be a rigid rod with at least one spring positioned between the rod and the floor support, or may be an elongated spring, such as a torsion spring, a coil spring, a flat spring or a spiral spring. The support element may have a telescoping feature to permit it to be collapsed for storage and a rotatable joint may be provided between the armrest member and the support element.

Description

Die Erfindung betrifft bewegliche Armstützen für Computerarbeitsplätze, gemäß dem Oberbegriff des Anspruchs 1. Längerfristige und genaue (Maus-)Arbeiten sollen unterstützt werden. Aber auch andere Tätigkeiten, die in der Tischebene erfolgen können, werden unterstützt.The invention relates to movable armrests for computer workstations, according to the preamble of claim 1. Long-term and precise (mouse) work should be supported. But other activities that can be carried out at the table level are also supported.

Stand der Technik:State of the art:

Viele Personen leiden an einer Verkrampfung beim Tastatur-Schreiben und MausArbeiten mit medizinischen Folgen. Bei den Keramikmalern und Goldschmieden gibt es (teilweise hochgestellte) Tische, die vorne einen runden Ausschnitt aufweisen, der die Personen etwa halb umrundet. Diese Lösung ist aber bei Computern und Büros nicht zu benutzen, da diese wegen des Raumverbrauchs und der Optik bei Computer-Arbeitsplätzen wohl kaum akzeptiert würden.Many people suffer from cramping when typing and working with the mouse with medical consequences. The ceramic painters and goldsmiths have tables (some of them standing high) that have a round cut-out at the front that surrounds the people about halfway. However, this solution is not to be used in computers and offices, since these would hardly be accepted in computer workplaces due to the space consumption and the appearance.

Für die Tastatur hat man davor plazierbare Tisch-Auflagen erfunden, die die Handwurzel stützen. Das ist aber eine unflexible und wegen der Reibung und der Art der Handhaltung eine immer noch unergonomische Methode.Placeable table pads that support the wrist have been invented for the keyboard. However, this is an inflexible and, due to the friction and the type of hand gesture, still an unergonomic method.

Die schon erfundenen beweglichen Konstruktionen, die an dem Arbeitstisch angebracht werden, leiden unter anderem vor allem an dem Mangel, Bewegungsenergie auf den Tisch zu übertragen und zu stabil und zu kompliziert konstruiert zu sein und dazu Wartung für gutes Funktionieren zu verlangen, damit diese nicht Geräusche erzeugen oder schwergängig werden. Optisch stören diese meistens. Die Halterung der Stütze am Tisch erzeugt dann oft auch noch Probleme.The movable constructions already invented, which are attached to the work table, suffer, among other things, above all from the lack of transmitting kinetic energy to the table and of being constructed too stably and too complicated and, in addition, requiring maintenance for proper functioning so that they do not cause noise produce or become stiff. These usually interfere optically. The mounting of the support on the table often creates problems.

Aus der DE 92 07 271 U1, ist eine Unterarmstütze für die Bedienung der sog. "Maus" bekannt. Diese bekannte Unterarmstütze weist eine Halterung 1 zum Festklemmnen an eine Tischplatte und eine Drehmechanik auf Liegt der Unterarm auf dieser bekannten Unterarmstütze auf, und soll eine Maus beispielsweise linear in Richtung auf das Drehgelenk hin bewegt werden, so wirkt diese bekannte Armstütze der Bewegung des Unterarms entgegen, indem die Armstütze den Unterarm unweigerlich - trotz einer beabsichtigten Geradeausbewegung - entlang einer Kreisbahn bewegt. Der Benutzer der Armstütze muß versuchen, die "Irreführung" durch die bekannte Armstütze zu kompensieren. Diese bekannte Armstütze ist also ungeeignet.From DE 92 07 271 U1, a forearm support for operating the so-called "mouse" is known. This known forearm support has a holder 1 for clamping onto a table top and a rotating mechanism. If the forearm lies on this known forearm support and if a mouse is to be moved linearly towards the swivel joint, for example, this known armrest counteracts the movement of the forearm by the armrest inevitably moving the forearm along a circular path despite an intended straight-ahead movement. The user of the armrest must try to compensate for the "misleading" by the known armrest. This known armrest is therefore unsuitable.

Die DE 29 10 855 Al, beschreibt eine Schreibmaschinen-Schreibstütze für die Hände. Zwischen zwei gabelförmig angeordneten Haltebügeln ist ein langer, oval abgerundeter Stützbügel für die Auflage der Armgelenke bei der Bedienung einer Schreibmaschinen-Tastatur angeordnet. Die Haltebügel sind mit Schraubzwingen versehen, um die Schreibmaschinen-Schreibstütze am Schreibtisch anbringen zu können. Die Konstruktion überträgt Bewegungsenergie auf den Tisch und stört damit evtl. den Monitor und erfordert somit stabile Schreibtische, die sogar passend geformt sein müssen. Die Auflage stört in Richtung des Körper des Arbeitenden und nimmt Raum in Anspruch. Sie sieht optisch bescheiden aus, da sie groß ist. Bei der Bewegung entsteht Reibung an der Auflage gegen die Arme, die man störend fühlt. Die beweglichen Gelenke müssen gewartet werden.
Es ist offensichtlich, daß diese Schreibmaschinen-Schreibstütze lediglich der Bedienung einer Schreibmaschinen-Tastatur dient und für die Benutzung einer Computer-Maus weder geeignet noch vorgesehen ist.DE 29 10 855 Al describes a typewriter type writing support for the hands. A long, oval, rounded support bracket for supporting the arm joints when operating a typewriter keyboard is arranged between two forked brackets. The brackets are equipped with screw clamps to attach the typewriter support to the desk. The design transmits kinetic energy to the table and may interfere with the monitor and therefore requires stable desks, which must even be shaped appropriately. The support interferes with the body of the worker and takes up space. It looks optically modest because it is large. When moving, there is friction on the support against the arms, which one feels annoying. The moving joints need to be serviced.
It is obvious that this typewriter writing support is only used to operate a typewriter keyboard and is neither suitable nor intended for the use of a computer mouse.

Aus der DE-GM 19 83 548 ist ein federnder Stützapparat für die Ellenbogen beim Schreibmaschinenschreiben bekannt. An einem federnden Teleskop- Teil ist an der einen Seite eine Auflageschale für einen Ellenbogen und an der gegenüberliegenden Seite eine Klemmvorrichtung zur senkrechten Anbringung des federnden Teleskop-Teils an der Sitzfläche einer Sitzgelegenheit vorgesehen. Die Konstruktion soll von der Sitzfläche des Stuhls ausgehen, damit wird bei jedem Verrücken des Stuhles eine Bewegung auf den Arm übertragen. Weiter sind Probleme bei der Bewältigung der Höhenunterschiede zwischen Stuhl und Tisch zu erwarten, evtl. kommen auch nur spezielle Möbel dann in Frage. Der Teleskoparm muß technisch gewartet werden, sonst klemmt er unter Umständen leicht, und muß eine entsprechend schwere und teuere Konstruktion sein, damit er überhaupt einigermaßen leichtgängig ist. Optisch stört er durch die Größe. Es ist offensichtlich, daß diese bekannte Ellenbogen-Stütze zur Bedienung einer Computer-Maus nicht geeignet ist; da sie die bei der Bewegung der Computer-Maus notwendige Bewegung des Unterarms sogar verhindert.From DE-GM 19 83 548 a resilient support device for the elbows when typing is known. On a resilient telescopic part, a support shell for an elbow is provided on one side and a clamping device on the opposite side for vertically attaching the resilient telescopic part to the seat of a seat. The construction should start from the seat of the chair so that every time the chair is moved, a movement is transferred to the arm. Problems with coping with the height differences between the chair and table are also to be expected, and only special furniture may then be considered. The telescopic arm has to be technically serviced, otherwise it may get stuck slightly, and must be of a correspondingly heavy and expensive construction, so that it is somewhat smooth-running. Visually, it disturbs due to the size. It is obvious that this known elbow support is not suitable for operating a computer mouse; because it even prevents the forearm from moving when the computer mouse is moved.

Die GB 22 52 530 A, beschreibt eine Armstütze zur Stützung des Unterarms einer Schreibkraft. Wie bereits in der Entgegenhaltung ( 1 ) angegeben, erschöpft sich der Vorschlag für eine Unterarm-Stütze in der Verwendung von drei Gelenken 18, 26 und 32, die zwischen den zwei Auslegern 20 und 28 vorgesehen sind. Das erste Gelenk 32 ist an einer an einen Tisch festklemmbaren Halterung in einer Ebene verdrehbar angeordnet, der zweite Stützarm 20 ist auf dem mittleren Gelenk 26 in derselben Achse wagerecht verdrehbar vorgesehen, und das äußere Ende des zweiten Stützarms 20 trägt eine Auflageschale 12, die in dem Gelenk drehbar gelagert ist. Wie bereits zu Entgegenhaltung (1) ausgeführt, wirkt eine solche Anordnung der Bewegung des Unterarms bei der Benutzung einer Computer-Maus entgegen, so daß sich der Benutzer zusätzlich auf die "Irreführung" durch eine solche Vorrichtung konzentrieren muß, und er hat Mühe, diese Irreführung auszugleichen. Sie vernichtet Bewegungsenergie durch Reibung in den Gelenken, die wieder nur durch spezielle (Kugel)-lager vermindert werden kann. Die Anklemmungen an den Tisch können sich lockern und evtl. den Tisch beschädigen. Die Konstruktion kann nur schwer durch An- und Abschrauben weggestellt werden, wenn sie nicht benötigt wird. Optisch stört sie durch Raumverbrauch in der Tischfläche. Diese bekannte Vorrichtung ist also ebenfalls nicht für die Bedienung einer Computer-Maus geeignet und darüberhinaus auch gar nicht vorgesehen.GB 22 52 530 A describes an armrest for supporting the forearm of a typist. As already stated in document (1), the proposal for a forearm support is exhausted by the use of three joints 18, 26 and 32, which are provided between the two arms 20 and 28. The first joint 32 is rotatably arranged in one plane on a bracket which can be clamped to a table, the second support arm 20 is horizontally rotatably provided on the central joint 26 in the same axis, and the outer end of the second support arm 20 carries a support shell 12 which is shown in FIG the joint is rotatably mounted. As already mentioned in reference (1), such an arrangement counteracts the movement of the forearm when using a computer mouse, so that the user must also concentrate on the "misleading" of such a device and has difficulty in doing so Compensate for misleading. It destroys kinetic energy through friction in the joints, which can only be reduced by using special (ball) bearings. The clamps on the table can loosen and possibly damage the table. The construction is difficult to remove by screwing and unscrewing it when it is not needed. Visually, it interferes with the space used in the table surface. This known device is therefore also not suitable for operating a computer mouse and, moreover, is not provided at all.

Die US 5 472 161, beschreibt eine Stütze zur Stützung des Handgelenks bei der Benutzung einer Schreibmaschinen-Tastatur. Diese bekannte Stütze besteht aus einem Armband, an dem eine Art "Rollwagen" vorgesehen ist, der das Handgelenk hebt und stützt sowie auf der Tischplatte hin- und herfahren kann. Diese am Arm befestigte Gleithilfe muß jedesmal an- und abgeschnallt werden; dabei können dort auch Probleme an der Haut am Handgelenk des Benutzers entstehen. Die Schreibtischfläche muß immer aufgeräumt sein. Die Höhe des Arms ist nicht oder nur beschränkt einstellbar. Die Bewegung in die Tiefe der Tischfläche ist auch nur eingeschränkt möglich, da die Rollen dann an der Tastatur oder anderen Dingen anschlagen. Die Rollen müssen gewartet werden, denn wenn sie schwer laufen, weil verdreckt, stören sie mehr als sie nützen. Diese bekannte Armstütze ist für die Bedienung einer Computer-Maus weder geeignet noch vorgesehen. Eine solche, bekannte rollbare Anngelenksstütze stieße ständig an der Gummimatte an und würde die Benutzung der Computer-Maus nur behindern.US 5 472 161 describes a support for supporting the wrist when using a typewriter keyboard. This known support consists of a bracelet on which a kind of "trolley" is provided, which lifts and supports the wrist and can move back and forth on the table top. This sliding aid attached to the arm must be buckled on and off every time; doing it there problems on the skin on the user's wrist also arise. The desk surface must always be tidy. The height of the arm cannot be adjusted or can only be adjusted to a limited extent. The movement into the depth of the table surface is also possible only to a limited extent, since the rollers then hit the keyboard or other things. The rollers have to be serviced, because if they run hard because they are dirty, they annoy more than they are useful. This known armrest is neither suitable nor intended for operating a computer mouse. Such a known rollable wrist support would constantly hit the rubber mat and would only hinder the use of the computer mouse.

Die US 4 822 103 betrifft eine Unterarmstütze, die links und rechts von einer Sitzfläche angebracht wird. Ein senkrecht nach oben ragendes Halteelement 3 trägt an seinem oberen Ende eine Stützfläche 1, die sich, auf Kugeln gelagert, der Bewegung des Unterannes folgend vorwärts und rückwärts bewegen kann. Federn 9 und 10 sorgen dafür, daß die Unterann-Auflage 1 nach einer fehlenden Beaufschlagung mit einer Kraft durch den Unterarm in ihre Ruhestellung zurückkehrt. Diese bekannte Unterarmatütze ist weder dafür vorgesehen noch geeignet, den Unterarm bei der Bedienung einer Computer-Maus zu stützen. Aufgrund ihrer Konstruktion unterstützt sie lediglich die Bedienung von Bedienungselementen, die sich in unmittelbarer Nähe des Sitzes der BedienungsPerson befinden. Darüberhinaus unterstützt sie lediglich eine Bewegung des Unterarms in Vorwärts- und Rückwärts-Richtung. Diese Unterarmstütze ist speziell dafür konzipiert, einen Bedienungshebel und dgl. kurzzeitig aus einer Ruheposition in eine Betätigungsposition nach vorne und zudem geradeaus auszulenken, indem sie die Rückführung des Unterarms über Federn 9 und 10 in seine Ruheposition unterstützt. Es ist offensichtlich, daß eine solche Stütze für die Bedienung einer Computer-Maus ungeeignet ist und die Benutzung nur zusätzlich erschwert, weil der Benutzer allein schon damit beschäftigt ist, die störende Rückführung seines Unterarms in eine Ruheposition zu verhindern.US 4,822,103 relates to a forearm support which is attached to the left and right of a seat. A holding element 3 projecting vertically upwards carries at its upper end a support surface 1 which, supported on balls, can move forwards and backwards following the movement of the Unterannes. Springs 9 and 10 ensure that the Unterann support 1 returns to its rest position after a lack of force from the forearm. This known forearm support is neither intended nor suitable for supporting the forearm when operating a computer mouse. Due to its design, it only supports the operation of controls that are in the immediate vicinity of the operator's seat. In addition, it only supports forearm movement in the forward and backward directions. This forearm support is specially designed to briefly deflect an operating lever and the like from a rest position into an actuating position forwards and also straight ahead by supporting the return of the forearm to its rest position via springs 9 and 10. It is obvious that such a support is unsuitable for the operation of a computer mouse and only complicates its use because the user alone is concerned with preventing his forearm from being returned to a rest position.

Aus der FR 1 082 209 A ist eine Unterarmstutze zur Anordnung zwischen den Sitzen eines Fahrzeuges bekannt. Die in ihrer Höhe verstellbare Vorrichtung weist eine Auflagefläche 26 auf, die der Sitzposition des Benutzers des Fahrzeugsitzes angepaßt, nach vorne und nach hinten geschoben werden kann und in einer voreingestellten Position fest fixiert wird. Es ist offensichtlich, daß diese Vorrichtung zur Stützung des Unterarms bei der Benutzung einer Computer-Maus weder geeignet noch vorgesehen ist.From FR 1 082 209 A a forearm support for arrangement between the seats of a vehicle is known. The height-adjustable device has a support surface 26 which can be adapted to the seating position of the user of the vehicle seat, pushed forwards and backwards and is firmly fixed in a preset position. It is obvious that this device for supporting the forearm when using a computer mouse is neither suitable nor intended.

Schließlich ist aus der US 4 069 995 eine Armstütze mit drei oder mehreren biegsamen Stützelementen 12, 14 und 16 bekannt, die in einem regelmäßigen Vieleck allesamt senkrecht zwischen einem (aufwendigen) Tisch 18 und einer Basisplatte 20 (als Fuß betrachtbar) angeordnet werden sollen. Zentral in der Basisplatte 20 ist ein in der Höhe verschiebbarer Zylinder 38, der an seinem oberen Ende eine mittels eines Gelenks 34 (lediglich) neigbare Armauflage 22 für einen Unterarm trägt, vorgesehen; denn damit fällt die Auflage immer in eine Schieflage bei Nichtbenutzung. Wird der Unterarm aus seiner Ruheposition ausgelenkt, so erfolgt ebenfalls eine Auslenkung des Tisches 18, wobei der Tisch 18 bei der Auslenkung parallel zur Basisplatte 20 bleibt. Wird die durch den Unterarm aufgebrachte Kraft zur Auslenkung aufgehoben, so führt diese bekannte Anordnung den Unterarm in seine Ruheposition mittels der biegsamen Stützelemente zurück. Diese Armstütze wird neben der Sitzfläche eines Stuhls oder dgl., auf dem der Benutzer sitzt, angebracht und ist daher offensichtlich nicht für eine Benutzung auf dem Boden freistehend geeignet noch vorgesehen und so nicht für die Bedienung eines Bedienungselementes, das auf einem Tisch liegt oder steht, wie bei einer Computer-Maus, weder geeignet noch vorgesehen. Darüberhinaus wäre die Auslenkung für die Bedienung einer Computer-Maus und dgl. auch zu gering und die stete Rückführung des Unterarms in seine Ruheposition wäre störend. Die Konstruktion dieser bekannten Armstütze ist recht kompliziert und erfordert einen hohen Aufwand bei ihrer Herstellung, was die Armstütze teuer, klobig und nicht akzeptabel macht.Finally, an armrest with three or more flexible support elements 12, 14 and 16 is known from US Pat. No. 4,069,995, all of which are to be arranged in a regular polygon vertically between a (complex) table 18 and a base plate 20 (which can be considered as a foot). Central in the Base plate 20 is a cylinder 38 which is displaceable in height and which carries at its upper end an arm rest 22 (only) which can be inclined by means of a joint 34; because this means that the edition always falls into an imbalance when not in use. If the forearm is deflected from its rest position, the table 18 is also deflected, the table 18 remaining parallel to the base plate 20 during the deflection. If the force exerted by the forearm for deflection is removed, this known arrangement leads the forearm back to its rest position by means of the flexible support elements. This armrest is attached next to the seat of a chair or the like. On which the user is sitting, and is therefore obviously not suitable or intended for use on the floor, and thus not for the operation of an operating element which is lying or standing on a table , as with a computer mouse, neither suitable nor intended. In addition, the deflection for operating a computer mouse and the like would also be too small and the constant return of the forearm to its rest position would be disruptive. The construction of this known armrest is quite complicated and requires a lot of effort in its manufacture, which makes the armrest expensive, bulky and unacceptable.

technische Aufgabe:technical task:

Der Erfindung liegt die Aufgabe zugrunde, eine bewegliche Annstütze bereitzustellen, die die Bedienung einer Computer-Maus oder eines Bedienungselementes an einem Computer-Arbeitsplatz erleichtert. Die Armstütze soll ferner leicht wegklappbar oder wegstellbar sein.The invention has for its object to provide a movable anvil which facilitates the operation of a computer mouse or an operating element at a computer workstation. The armrest should also be easy to fold away or put away.

Diese Aufgabe wird erfindungsgemäß durch die im Anspruch 1 angegebenen Merkmale gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben. Die bewegliche Armstütze mit ihrem langen Stab als Hebel betrachtet bewirkt eine leichte Beweglichkeit in einer quasi-ebenen Fläche. Angenehm ist eine leicht vertikal gefederte Auflage. Somit sind die Drehbewegung des Arms und Bewegungen parallel zur Arbeitstischebene unbeschwert möglich. Anhand der Zeichnung werden Ausführungsformen der Erfindung erläutert.This object is achieved by the features specified in claim 1. Advantageous developments of the invention are specified in the subclaims. The movable armrest with its long rod, viewed as a lever, causes easy mobility in a quasi-flat surface. A slightly vertically sprung support is pleasant. This enables the arm to rotate freely and move parallel to the worktop level. Embodiments of the invention are explained with reference to the drawing.

Die Stütze steht mit einem Ständer auf dem Fußboden: Auf dem Boden bieten sich der Drahtkreis mit 3 Füßen und/oder das Kreuz bzw. Dreibein an als Alternative zur materialverbrauchenden Platte. Der senkrechte Ständer vom Boden zur Auflage kann etwas elastisch sein. So erleichtert er die Bewegung des Armes oben. Der Stab kann fest aus Stahl sein, elastisch aus Glasfiber oder aus einer gewickelten Feder (evtl. auch mit unterschiedlichen Radien), bzw. aus einer Bandfeder, um der oben angebrachten Auflage-Konstruktion genügend Bewegung zu erlauben. Eine oder zwei Torsionsfedem (am Fuß des Stabes) ermöglichen auch eine Auslenkung oben.The support stands with a stand on the floor: On the floor, the wire circle with 3 feet and / or the cross or tripod are an alternative to the material-consuming plate. The vertical stand from the floor to the support can be somewhat elastic. So it facilitates the movement of the arm above. The rod can be made of steel, elastic from glass fiber or from a coiled spring (possibly also with different radii), or from a band spring in order to allow sufficient movement for the support structure attached above. One or two torsion springs (at the foot of the bar) also allow a deflection at the top.

Eine Teleskopstange erleichtert durch Verkleinerung das Wegstellen bei Nichtbenutzung. Der Vorteil ist dann auch die leichte Einrichtbarkeit der Höhe der Vorrichtung. Eine gefederte Arretierung verschiebarer Röhren läßt fest eingestellte Höhen zu und ist somit leicht bedienbar aber nicht stetig einstellbar. Es kann gut eine Flügel-Schraube zum Fixieren benutzt werden. Auch mehrere einlegbare Distanzhülsen könnten dazu dienen. Wird die Stütze nicht benötigt, kann man auch durch einen Klapp-Mechanismus des oberen Teiles nach unten die Stütze verkleinern bzw. verschwinden lassen.A telescopic rod makes it easier to put away when not in use. The advantage is then that the height of the device can be easily adjusted. A spring-loaded locking of slidable tubes allows fixed heights and is therefore easy to use but not continuously adjustable. A wing screw can be used for fixing. Several insertable spacer sleeves could also be used for this. If the support is not required, the support can also be made smaller or disappear by folding the upper part downwards.

Eine (evtl. gepolsterte) gerundete Auflage (zur Hand hin und nach unten) schont die Haut und Kleidung. Man kann auch eine zusätzliche Federung anbringen (mit Bandoder Spiralfeder). Die Form der Arm-Auflage kann von rund bis oval länglich (ca. max. 10 cm lang) sein. Eine längliche Vertiefung von oben darin läßt einen guten Armkontakt zu, der die (Dreh-) Bewegung unterstützt, ohne das man dabei herunterrutscht. Die Arm-Auflage sollte auf jeden Fall ein Drehmöglichkeit bzw. Drehgelenk zur Befestigung hin besitzen. Die Schale der Auflage zum Tisch hin sollte möglichst dünn sein, um nicht mit der Auflage am Tisch aufzuschlagen.A rounded pad (possibly padded) (to the side and down) protects the skin and clothing. You can also add additional suspension (with a band or spiral spring). The shape of the armrest can be from round to oval elongated (approx. 10 cm long). An elongated indentation from above allows good arm contact, which supports the (rotational) movement without slipping down. The armrest should definitely have a swivel or swivel for attachment. The shell of the support towards the table should be as thin as possible so that it does not hit the table.

Bei einer besonders vorteilhaften Ausgestaltung der Erfindung ist das Stützelement durch Federn und ein in seiner Höhe einstellbares Teleskop-Element gebildet. So kann auch die Stütze angepaßt und verkleinert und unter den Tisch weggestellt werden.In a particularly advantageous embodiment of the invention, the support element is formed by springs and a height-adjustable telescopic element. So the support can be adjusted and reduced and placed under the table.

Claims (9)

  1. Moveable armrest, in particular for use with computer workplaces, with a vertically arrangeable, elastical, elongated, at its upper end horizontally movable support element, and with an armrest placed at this upper end, characterized by a single rod-shaped support element extending from the floor.
  2. Moveable armrest according to Claim 1 characterised by the support element consisting of a rigid rod with additional torsion, flat or coil springs at the bottom end of the rod.
  3. Moveable armrest according to Claim 1, characterised by the support element consisting of an elastic rod made preferably of glass fibre,
  4. Moveable armrest according to Claim 1, characterised by the support element consisting of coil or, flat spring.
  5. Moveable armrest according to Claim 4, characterised by the springs being coiled with different radii.
  6. Moveable armrest according to one of the foregoing claims, characterised by the support element consisting of sliding telescopic tubes which can be fixed by a screw or spring-mounted catches and so making the height of the armrest adjustable.
  7. Moveable armrest according to one of the foregoing claims, characterised by the armrest being rotatable against the support element by an additional joint.
  8. Movable armrest according to the foregoing claims, characterized by the armrest being formed with an oval or elongated depression.
  9. Movable armrest according to the foregoing claims, characterized in that the support element comprises a second spring.
EP98912400A 1997-03-07 1998-02-26 Computer work station (elastic or movable) arm rests Expired - Lifetime EP0969752B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19709481A DE19709481C2 (en) 1997-03-07 1997-03-07 Movable armrest especially for computer workstations
DE19709481 1997-03-07
PCT/EP1998/001088 WO1998039995A1 (en) 1997-03-07 1998-02-26 Computer work station (elastic or movable) arm rests

Publications (2)

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EP0969752A1 EP0969752A1 (en) 2000-01-12
EP0969752B1 true EP0969752B1 (en) 2004-04-28

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EP98912400A Expired - Lifetime EP0969752B1 (en) 1997-03-07 1998-02-26 Computer work station (elastic or movable) arm rests

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US (2) USRE38369E1 (en)
EP (1) EP0969752B1 (en)
JP (1) JP2001500771A (en)
KR (1) KR100565936B1 (en)
CN (1) CN1273067C (en)
AT (1) ATE265170T1 (en)
AU (1) AU742350B2 (en)
CA (1) CA2283074C (en)
DE (1) DE19709481C2 (en)
DK (1) DK0969752T3 (en)
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WO (1) WO1998039995A1 (en)

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ES2144986T3 (en) 2004-10-16
CA2283074A1 (en) 1998-09-17
ES2144986T1 (en) 2000-07-01
CN1273067C (en) 2006-09-06
KR100565936B1 (en) 2006-03-30
AU742350B2 (en) 2001-12-20
ATE265170T1 (en) 2004-05-15
US6267336B1 (en) 2001-07-31
KR20000030127A (en) 2000-06-05
DE19709481A1 (en) 1997-09-18
CN1255048A (en) 2000-05-31
DK0969752T3 (en) 2004-06-01
CA2283074C (en) 2004-10-26
HK1027728A1 (en) 2001-01-23
JP2001500771A (en) 2001-01-23
DE19709481C2 (en) 2000-05-31
USRE38369E1 (en) 2003-12-30
AU6725598A (en) 1998-09-29
WO1998039995A1 (en) 1998-09-17
EP0969752A1 (en) 2000-01-12

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