DE654375C - Built-in switch for machines with several motors - Google Patents
Built-in switch for machines with several motorsInfo
- Publication number
- DE654375C DE654375C DEST53205D DEST053205D DE654375C DE 654375 C DE654375 C DE 654375C DE ST53205 D DEST53205 D DE ST53205D DE ST053205 D DEST053205 D DE ST053205D DE 654375 C DE654375 C DE 654375C
- Authority
- DE
- Germany
- Prior art keywords
- switch
- dome
- lever
- guide member
- built
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
- G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
- G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
- G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
- G05G9/04785—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks the controlling member being the operating part of a switch arrangement
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
- G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
- G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
- G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
- G05G2009/04703—Mounting of controlling member
- G05G2009/04707—Mounting of controlling member with ball joint
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
- G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
- G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
- G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
- G05G2009/0474—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks characterised by means converting mechanical movement into electric signals
- G05G2009/04744—Switches
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
- G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
- G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
- G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
- G05G2009/04766—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks providing feel, e.g. indexing means, means to create counterforce
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
- G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
- G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
- G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
- G05G2009/04766—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks providing feel, e.g. indexing means, means to create counterforce
- G05G2009/0477—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks providing feel, e.g. indexing means, means to create counterforce holding the member in a number of definite positions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Description
Einbauschalter für Arbeitsmaschinen mit mehreren Motoren. Bei elektromotorisch angetriebenen Arbeitsmaschinen, deren Gehäuse .die zu verdeckenden Teile, wie Getriebe oder blanke elektrische Leitungen, umschließt, werden die Steuerapparate in der Regel derart in das Gehäuse der Maschinen eingebaut, daß sie hinter einer Frontplatte befestigt werden, aus der- nur der Steuerhandgriff nach außen hervorragt.Built-in switch for work machines with several motors. With electromotive driven machines, their housing .the parts to be covered, such as gears or bare electrical lines, enclosing the control apparatus in the Usually built into the housing of the machine in such a way that it is behind a front panel be attached, from which only the control handle protrudes to the outside.
Um mit einem solchen aus einer Frontplatte herausragenden Handgriff auch mehrere Motoren schalten zu können, ist bereits vorgeschlagen worden, den- Handgriff am äußeren Ende eines durch die Frontplatte hindurchragenden, uni ein Kugelgelenk als Drehpunkt in mehreren Ebenen schwenkbaren Hebels anzuordnen, der hinter der Frontplatte _die einzelnen Kontaktstellen schließende Schaltorgane trägt und in den verschiedenen Schaltstellungen dadurch festgehalten wird, daß sich sein als federndes Führungsglied ausgebildetes Ende in rastenartige Vertiefungen,einer den Drehpunkt halbkugelartig umgebenden, feststehenden Kuppel bineinlegt.To with such a handle protruding from a front panel to be able to switch several motors has already been proposed, Handle at the outer end of a uni one protruding through the front panel To arrange ball joint as a pivot in several levels of pivotable lever behind the front panel _the individual contact points closing switching elements and is held in the various switching positions by being designed as a resilient guide member end in detent-like depressions, a the fixed dome surrounding the pivot point like a hemisphere.
Diese Anordnung weist jedoch noch eine Reihe von Nachteilen auf. Um nämlich das Führungsglied des Steuerhebels federnd anbringen zu können, muß am inneren Ende des Hebels .eine zylindrische Führung und ein in dieser Führung gleitender, gegen eine Feder drückender Kolben vorgesehen-werden. Beim Schalten wird nun ständig nicht nur ein axialer, sondern auch ein seitlicher Druck auf das Führungsglied ausgeübt, der zu einem Verkanten des Kolbens im Zylinder führt und nach kurzer Zeit ein Wackeln der die Schaltung bewirkenden Hebelteile zur Folge hat, wodurch leicht Fehlschlüsse oder Unterbrechungen der Kontakte .eintreten können. Das Verkanten der Teile gegeneinander kann ferner Verklemmungen innerhalb des Schalters und Schaltschwierigkeiten hervorrufen. Ein weiterer Nachteil ist, daß Führung und Kolben ständiger Schmierung bedürfen, die im Innern der Schalterkuppel schlecht erfolgen kann.. Durch ein federndes Führungsglied wird ferner die Bauhöhe des Schalthebels und damit die Gesamthöhe - des Schalters vergrößert. Schließlich nimmt die im Innern des Schalthebels angeordnete Federung den für die Isolierung der eigentlichen Schaltorgane erforderlichen Raum in Anspruch.However, this arrangement still has a number of disadvantages. Around namely to be able to attach the guide member of the control lever resiliently, must be on the inside End of the lever. A cylindrical guide and a sliding in this guide, Pistons pressing against a spring can be provided. When switching is now constantly not only an axial but also a lateral pressure exerted on the guide member, which leads to tilting of the piston in the cylinder and, after a short time, to wobbling the lever parts causing the shift, which can easily lead to false conclusions or interruptions in contacts. The tilting of the parts against each other can also cause jamming within the switch and switching difficulties. Another disadvantage is that the guide and piston require constant lubrication, which cannot take place inside the switch dome .. By a resilient guide member is also the overall height of the switching lever and thus the total height - of the switch enlarged. Finally, the suspension arranged inside the shift lever takes over the space required for the insulation of the actual switching elements.
Erfindungsgemäß werden diese Nachteile dadurch beseitigt, daß die starre Kuppel als Ganzes federnd gegen das mit dem Kontakthebel starr verbundene Führungsglied gedrückt wird.According to the invention these disadvantages are eliminated in that the rigid dome as a whole resiliently against the rigidly connected to the contact lever Guide member is pressed.
Es erscheint zunächst überraschend, daß die federnde Lagerung der verhältnismäßig großen und umfangreichen Kuppel des Schaltergehäuses zweckmäßiger sein soll als die Federanordnung des Führungsgliedes am Schalthebel. Tatsächlich werden aber durch die erfindungsgemäß vorgeschlagene Ausbildung die Mängel, die den bisherigen Schaltern anhafteten, mit einem Schlage in der einfachsten Weise beseitigt. Bildet nämlich das Führungsglied des Schalthebels mit diesem ein starres Ganzes, .das in der federnd gelagerten Kuppel gleitet, so kann eine Verkantung der einzelnen Te@IC;, des Schalthebels gegeneinander nicht treten. Ein Wackeln ist ausgeschlossen, irni@: die Kontäkte schließen auch nach längerem*-Gebrauch des Schalters mit der gleichen Sicherheit wie zu Beginn der Benutzung. Auch-ein Verklemmen der einzelnen Schalterteile und daraus sich ergebende Schaltschwierigkeiten sind nicht zu befürchten, denn die bewegliche Kuppel schwenkt beim Anheben stets um einen der zu ihrer Befestigung dienenden Stifte, wodurch die Rasterwirkung noch wesentlich verbessert wird.At first it seems surprising that the resilient mounting of the relatively large and extensive dome of the switch housing more appropriate should be as the spring arrangement of the guide member on the shift lever. Indeed but the proposed training according to the invention, the shortcomings that stuck to the previous switches, at one stroke in the simplest way eliminated. Namely forms the guide member of the shift lever this a rigid whole, which slides in the spring-mounted dome, so can a tilting of the individual Te @ IC ;, of the shift lever do not step against each other. There is no wobbling, irni @: the contacts close even after prolonged * use the switch with the same level of security as when it was first used. Also a Jamming of the individual switch parts and the resulting switching difficulties are not to be feared, because the movable dome always swivels when it is lifted around one of the pins that are used to attach them, which adds to the grid effect is significantly improved.
Ein weiterer Vorteil liegt darin, daß bei einem starr ausgebildeten Schalthebel im Innern des Schalters keine Schmierstellen vorgesehen zu werden brauchen. Es genügt, die Gleitbahn an der Kuppel leicht zu fetten. Die jerfindungsgetnäß vorgesehene Federung der Kuppel liegt frei zugänglich außen auf derselben und kann leicht eingestellt und gefettet werden.Another advantage is that in a rigidly designed Shift lever inside the switch, no lubrication points need to be provided. It is enough to lightly grease the slide on the dome. The one provided according to the invention The dome's suspension is freely accessible on the outside and can be easily adjusted and be greased.
Durch den Fortfall der Innenfederung verringert sich die Bauhöhe des Schalthebels und damit des Schalters.By eliminating the internal suspension, the overall height of the Shift lever and thus the switch.
Schließlich wird der Raum, der bei der bekannten Anordnung durch die Federung in Anspruch genommen wird, beim Gegenstand der Erfindung im Innern des Schalters für die eigentlichen Sch.altorgann gewonnen.Finally, the space that is in the known arrangement by the Suspension is claimed in the subject matter of the invention inside the Switch for the actual Sch.altorgann won.
Der Gegenstand der Erfindung ist in den Abbildungen veranschaulicht, und zwar beispielsweise an cinetn Schalter, bei dem das den Drehpunkt des - Schalthebels bildende Kugelgelenk in der Frontplatte des Schalters gelagert ist, während die federnde Kuppel die der Frontplatte gegenüberliegende Rückwand des Schalters bildet. Die Abbildungen zeigen einen Schnitt durch die Mittelachse dies Schalters sowie eine Ansicht des Schalters von der Kuppel her.The object of the invention is illustrated in the figures, for example on a cinetn switch, which is the fulcrum of the - gear lever forming ball joint is mounted in the front plate of the switch, while the resilient dome forms the rear wall of the switch opposite the front plate. The figures show a section through the central axis of this switch as well a view of the switch from the dome.
In den Abbildungen bedeutet F die Frontplatte eines Schalters, in der das Kugelgelenk 1(g eines zweiarmigen Schalthebels gelagert ist. Der äußere ArmH des Hebels dient als Handgriff. Der innere Arm S endet in einem pilzförmigen, starr mit dem Hebel-,arm S verbundenen Führungsglied Sp und trägt die Schaltorgane P. Beim Schwenken des Schalthebels kommen die Schaltorgane P in Berührung mit den in der isolierenden Wand J sitzenden Kontakten a, b, c, d, wodurch z. B. verschiedene Motore i, z, 3, q. eingeschaltet oder geregelt werden. Das FührungsgliedSp und mit ihm der Hebel S werden in den einzelnen Kontaktstellungen mit Hilfe der Kuppel I( festgehalten. Die Kuppel l< bildet einen Hohlkugelabschnitt, dessen Mittelpunkt ;,laut dem Mittelpunkt des Gelenks Kg in der °#'routplatte zusammenfällt oder in dessen -1,@.#he liegt. Die Kuppel I( sitzt auf Stiften B und wird mit Hilfe von FedernFrl, die auf die Stifte B aufgeschoben sind, an das Führungsglied Sp des Hebels S angedrückt. Innerhalb der Kuppel I( sind in beliebigen Schwenkebenen Rasten R 11 Form von einfachen Vertiefungen, z. B. I, II, III, IV, angeordnet, in die das Führungsglied Sp in den einzelnen Schaltstellungen hineinfedert. Beim Schalten wird die bewegliche Kuppel l( durch Glas Führungsglied Sp angehoben. Sie stützt sich dabei stets auf einen der Stifte B und schwenkt um denselben Stift, wodurch die Rassenwirkung noch wesentlich verbessert wird.In the figures, F denotes the front plate of a switch in which the ball joint 1 (g of a two-armed switching lever is mounted. The outer arm H of the lever serves as a handle. The inner arm S ends in a mushroom-shaped, rigidly connected to the lever arm S. Guide member Sp and carries the switching elements P. When the switching lever is pivoted, the switching elements P come into contact with the contacts a, b, c, d located in the insulating wall J, whereby, for example, different motors i, z, 3, q. The guide member Sp and with it the lever S are held in the individual contact positions with the help of the dome I (. The dome l <forms a hollow spherical segment, the center of which; according to the center of the joint Kg in the ° # 'routplatte The dome I (sits on pins B and is pressed against the guide member Sp of the lever S with the help of springsFrl, which are pushed onto the pins B. Dome I (are in any swivel planes notches R 11 form of simple depressions, z. B. I, II, III, IV, arranged into which the guide member Sp springs into the individual switching positions. When switching, the movable dome l (is lifted by the glass guide link Sp. It always rests on one of the pins B and swivels around the same pin, which considerably improves the racial effect.
Die Erfindung ist nicht auf das in der Zeichnung dargestellte Ausführungsbeispiel beschränkt. Die bewegliche Kuppel l( kann beispielsweise auch die Frontwand des Schalters bilden und das den Drehpunkt des Schalthebels bildende Kugelgelenk in der Rückwand oder einer inneren Zwischenwand des Schalters gelagert sein. In diesem Fall wird die Kuppel mit Schlitzen versehen, in denen der Handgriff H geführt wird, und der Hebel trägt ein schirmartiges Führungsglied, das sich in den einzelnen Schaltstellungen in Rasten hineinlegt, die auf der Innen- oder der Außenfläche der Kuppel vorgesehen sein können. Je nach der Anordnung wird dabei die Kuppel federnd zum Drehpunkt hin oder vom Drehpunkt weg gegen das Führungsglied gedrückt.The invention is not based on the embodiment shown in the drawing limited. The movable dome l (can, for example, also be the front wall of the Form switch and the pivot point of the shift lever forming the ball joint in be mounted on the rear wall or an inner partition of the switch. In this Case, the dome is provided with slots in which the handle H is guided, and the lever carries an umbrella-like guide member, which is in the individual switching positions lays into notches provided on the inner or outer surface of the dome could be. Depending on the arrangement, the dome becomes resilient towards the pivot point or pressed away from the fulcrum against the guide member.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST53205D DE654375C (en) | 1935-03-03 | 1935-03-03 | Built-in switch for machines with several motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST53205D DE654375C (en) | 1935-03-03 | 1935-03-03 | Built-in switch for machines with several motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE654375C true DE654375C (en) | 1937-12-17 |
Family
ID=7466679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEST53205D Expired DE654375C (en) | 1935-03-03 | 1935-03-03 | Built-in switch for machines with several motors |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE654375C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE741310C (en) * | 1940-03-21 | 1943-11-09 | Skoda Kp | Multiple switch with a contact pair of resilient switching elements arranged on the base, closing and opening switch levers or slide switches |
| DE743495C (en) * | 1940-07-06 | 1943-12-27 | Stotz Kontakt Gmbh | Single lever switch |
| DE767337C (en) * | 1940-10-30 | 1952-05-29 | Raboma Maschinenfabrik Hermann | Ball joint switch |
| DE954685C (en) * | 1951-06-08 | 1956-12-20 | Schuler L Ag | Drawing press |
| DE1008385B (en) * | 1952-02-22 | 1957-05-16 | Starkstrom Appbau G M B H | Ball joint switch |
| DE1010136B (en) * | 1953-12-05 | 1957-06-13 | Starkstrom Appbau G M B H | Ball switch |
| DE1100135B (en) * | 1958-04-24 | 1961-02-23 | Pal Magneton Np | Electric toggle switch |
| WO1994019735A1 (en) * | 1993-02-20 | 1994-09-01 | Nbb Nachrichtentechnik Gmbh & Co. Kg | Manual controller with control lever |
| WO1994020894A1 (en) * | 1993-03-03 | 1994-09-15 | Nbb Nachrichtentechnik Gmbh & Co. Kg | Manual control appliance with a control lever |
-
1935
- 1935-03-03 DE DEST53205D patent/DE654375C/en not_active Expired
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE741310C (en) * | 1940-03-21 | 1943-11-09 | Skoda Kp | Multiple switch with a contact pair of resilient switching elements arranged on the base, closing and opening switch levers or slide switches |
| DE743495C (en) * | 1940-07-06 | 1943-12-27 | Stotz Kontakt Gmbh | Single lever switch |
| DE767337C (en) * | 1940-10-30 | 1952-05-29 | Raboma Maschinenfabrik Hermann | Ball joint switch |
| DE954685C (en) * | 1951-06-08 | 1956-12-20 | Schuler L Ag | Drawing press |
| DE1008385B (en) * | 1952-02-22 | 1957-05-16 | Starkstrom Appbau G M B H | Ball joint switch |
| DE1010136B (en) * | 1953-12-05 | 1957-06-13 | Starkstrom Appbau G M B H | Ball switch |
| DE1100135B (en) * | 1958-04-24 | 1961-02-23 | Pal Magneton Np | Electric toggle switch |
| WO1994019735A1 (en) * | 1993-02-20 | 1994-09-01 | Nbb Nachrichtentechnik Gmbh & Co. Kg | Manual controller with control lever |
| US5680796A (en) * | 1993-02-20 | 1997-10-28 | Nbb Nachrichtentechnik Gmbh & Co. Kg | Manual controller with control lever |
| WO1994020894A1 (en) * | 1993-03-03 | 1994-09-15 | Nbb Nachrichtentechnik Gmbh & Co. Kg | Manual control appliance with a control lever |
| US5680797A (en) * | 1993-03-03 | 1997-10-28 | Nbb Machrichtentechnik Gmbh & Co. Kg | Manual control appliance with a control lever |
| AU685430B2 (en) * | 1993-03-03 | 1998-01-22 | Nbb Controls + Components Ag | Manual control appliance with a control lever |
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