EP0888852A1 - Manipulator - Google Patents

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Publication number
EP0888852A1
EP0888852A1 EP98110873A EP98110873A EP0888852A1 EP 0888852 A1 EP0888852 A1 EP 0888852A1 EP 98110873 A EP98110873 A EP 98110873A EP 98110873 A EP98110873 A EP 98110873A EP 0888852 A1 EP0888852 A1 EP 0888852A1
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EP
European Patent Office
Prior art keywords
cross arm
handling device
linear bearing
bearing unit
shafts
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Granted
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EP98110873A
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German (de)
French (fr)
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EP0888852B1 (en
Inventor
Rainer Jäger
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
    • B25H1/0028—Tool balancers

Definitions

  • the invention relates to a handling device, with a pedestal and at least an axially displaceable, provided with a tool holder Cross arm.
  • DE 4447019 A1 describes a handling device for the manual movement of Known loads. This is between a crane device and one Gripping device arranged and should remove the load from the operator.
  • the handling device works with traction devices that are guided over several rollers, where the lifting effect via a working cylinder with piston and piston rod as well as the pressure of a medium is reached.
  • Such handling device are in the Manufacturing very expensive, additionally require a device for production of the working pressure and are used wherever very high lifting and Lowering forces are necessary.
  • Simple handling devices are also known which only consist of one Stand column and an axially movable cross arm thereon.
  • a disadvantage of these known simple handling devices can be seen in the fact that these due to their structure can only take on small workers, or at Larger workers are unstable and tipping or swinging tend.
  • Such a handling device is for example in DE GM 9418725.8 described.
  • the invention has for its object a handling device for manual To move loads, which has a high stability and works reliably and safely at the same time.
  • This task is based on the preamble of the independent claim 1 solved by its characteristic features.
  • the main advantage of the invention is that the stability of the Handling device is optimized in that the linear bearing unit is a tube which has ball bushings at its ends. This has the advantage that the distance the ball bushings to the forces acting on the cross arm can.
  • the cross arm consists of 2 shafts. Both Shafts are each arranged in a linear bearing unit. These waves are spaced apart, the center distance is advantageously larger than that five times the shaft diameter. This arrangement also improves the stability of the Handling device significantly increased. The large distance between the waves means that high torsional forces can be absorbed.
  • Another embodiment of the invention provides that the cross arm at least to connect a cross clamp with the column.
  • each shaft can be connected to one Fasten the individual cross clamp to the stand column by assembling with individual cross clamps, the distance between the two cross arm shafts is variable or can also be adapted here to the moments to be recorded.
  • the weight of the handling device is counterbalanced or a spring-loaded pull rope.
  • a spring-loaded pull rope commercially available devices can be used.
  • Another embodiment of the invention provides both the linear bearing unit of the cross arm as well as the linear bearing unit on the pedestal in relation to the To arrange the cross arm longitudinally displaceable and lockable. This allows the Working range of the handling device vary and to the respective environment to adjust.
  • This linear bearing unit 14 consists of a tube 15 which carries ball bushings 16, 17 at its ends and thus is longitudinally movable and pivotable on the pillar 11.
  • On the pipe 15 two cross clamps 18, 19 are attached.
  • Each cross clamp enters Pipe 20, 21 arranged at right angles to the column 11.
  • Ball bushings 22, 23, 24, 25 are also arranged at its ends, so that the second Linear bearing units for the two cross arms 26, 27 are formed.
  • the two cross arms and the shafts running in the ball bushings 22-25 are on their ends connected to stabilizers 28, 29.
  • On the stabilizer 29 is one Pick-up device 30 for a tool (not shown here) to be picked up such as a screwdriver, a drill or a Threading device arranged.
  • the tensile force of the cable pull device 12 is set such that the corresponding tool along the Stand column can be moved.
  • FIGS. 2-4 show a cross clamping piece 18. This has a first hole 31 on. This is for clamping a pipe to be inserted into the hole Provide cross clamp with a slot 32. Is perpendicular to the bore 31 another hole 33 is arranged. A pipe is also in this hole arranged. Two screw threads 34, 35 serve to accommodate two Turnbuckles. Through these two clamping screws, both a clamped in the bore 31, as well as a tube arranged in the bore 33 and attached.
  • FIG. 5 A detailed representation of the clamping piece in connection with the pedestal and a cross arm is shown in Fig. 5.
  • the column 11 is over the ball bushing 16 and that Tube 15 attached to the cross clamp 18.
  • the tube 20 is in the Cross clamp 18 clamped.
  • the tube 20 carries over the ball bushings 22, 23rd the cross arm 26.
  • To move the tube 20 in the cross clamp and to move the cross clamp with respect to the tube 15 is the Screw connection 36 opened and the corresponding change in position carried out.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The appliance consists of an upright column and an axially movable cross arm with tool holder. The cross arm is formed by at least one longitudinally moveable shaft guided in a linear bearing unit. The unit consists of a tube with spherical liners at the ends. The cross arm may be of two shafts, each with its own linear guide unit. The axial distance between the shafts is larger than five times the shaft diameter. The linear bearing is located on the upright, and the cross arm is fastened to it via a cross clamp. At least one of the unit tubes is a non-processed precision tube. Weight compensation is via a counterweight or a spring-loaded cable.

Description

Die Erfindung betrifft ein Handhabungsgerät, mit einer Standsäule und mindestens einem axial verschiebbaren, mit einer Werkzeughaltevorrichtung versehenen Querarm.The invention relates to a handling device, with a pedestal and at least an axially displaceable, provided with a tool holder Cross arm.

Aus der DE 4447019 A1 ist ein Handhabungsgerät für das manuelle Bewegen von Lasten bekannt. Dieses ist zwischen einer Kraneinrichtung und einer Greifeinrichtung angeordnet und soll der bedienenden Person die Last abnehmen. Das Handhabungsgerät arbeitet mit Zugmittel, die über mehrere Rollen geführt sind, wobei die Hebewirkung über einen Arbeitszylinder mit Kolben und Kolbenstange sowie den Druck eines Mediums erreicht wird. Solche Handhabungsgerät sind in der Herstellung sehr aufwendig, benötigen zusätzlich eine Einrichtung zur Erzeugung des Arbeitsdruckes und werden dort eingesetzt, wo sehr hohe Hebe- und Senkkräfte notwendig sind.DE 4447019 A1 describes a handling device for the manual movement of Known loads. This is between a crane device and one Gripping device arranged and should remove the load from the operator. The handling device works with traction devices that are guided over several rollers, where the lifting effect via a working cylinder with piston and piston rod as well as the pressure of a medium is reached. Such handling device are in the Manufacturing very expensive, additionally require a device for production of the working pressure and are used wherever very high lifting and Lowering forces are necessary.

Es sind auch einfache Handhabungsgeräte bekannt, die lediglich aus einer Standsäule und einem daran axial verschiebbaren Querarm bestehen. Ein Nachteil dieser bekannten einfachen Handhabungsgeräte ist darin zu sehen, daß diese aufgrund ihres Aufbaus nur geringe Arbeitskräfte aufnehmen können, bzw. bei der Aufnahme größerer Arbeitskräfte instabil sind und zum Kippen oder Schwingen neigen. Ein solches Handhabungsgerät ist beispielsweise in dem DE GM 9418725.8 beschrieben.Simple handling devices are also known which only consist of one Stand column and an axially movable cross arm thereon. A disadvantage of these known simple handling devices can be seen in the fact that these due to their structure can only take on small workers, or at Larger workers are unstable and tipping or swinging tend. Such a handling device is for example in DE GM 9418725.8 described.

Der Erfindung liegt die Aufgabe zugrunde, ein Handhabungsgerät für das manuelle Bewegen von Lasten zu schaffen, welches eine hohe Stabilität aufweist und gleichzeitig zuverlässig und sicher arbeitet.The invention has for its object a handling device for manual To move loads, which has a high stability and works reliably and safely at the same time.

Diese Aufgabe wird ausgehend von dem Oberbegriff des unabhängigen Anspruchs 1 durch dessen kennzeichnende Merkmale gelöst. This task is based on the preamble of the independent claim 1 solved by its characteristic features.

Der wesentliche Vorteil der Erfindung liegt darin, daß die Stabilität des Handhabungsgerätes dadurch optimiert wird, daß die Linearlagereinheit ein Rohr ist das an seinen Enden Kugelbüchsen aufweist. Dies hat den Vorteil, daß der Abstand der Kugelbüchsen auf die, auf den Querarm einwirkenden Kräfte abgestimmt werden kann.The main advantage of the invention is that the stability of the Handling device is optimized in that the linear bearing unit is a tube which has ball bushings at its ends. This has the advantage that the distance the ball bushings to the forces acting on the cross arm can.

Gemäß einer Ausgestaltung der Erfindung besteht der Querarm aus 2 Wellen. Beide Wellen sind jeweils in einer Linearlagereinheit angeordnet. Diese Wellen sind voneinander beabstandet, der Achsabstand ist zweckmäßigerweise größer als der fünffache Wellendurchmesser. Auch durch diese Anordnung wird die Stabilität des Handhabungsgerät wesentlich erhöht. Der große Abstand der Wellen führt dazu, daß hohe Torsionskräfte aufgenommen werden können.According to one embodiment of the invention, the cross arm consists of 2 shafts. Both Shafts are each arranged in a linear bearing unit. These waves are spaced apart, the center distance is advantageously larger than that five times the shaft diameter. This arrangement also improves the stability of the Handling device significantly increased. The large distance between the waves means that high torsional forces can be absorbed.

Eine weitere Ausgestaltung der Erfindung sieht vor, den Querarm über wenigstens ein Kreuzklemmstück mit der Standsäule zu verbinden.Another embodiment of the invention provides that the cross arm at least to connect a cross clamp with the column.

Werden 2 Wellen an der Standsäule angeordnet, so läßt sich jede Welle über ein einzelnes Kreuzklemmstück an der Standsäule befestigen, durch den Aufbau mit einzelnen Kreuzklemmstücken ist der Abstand der beiden Querarmwellen variabel bzw. kann auch hier an die aufzunehmenden Momente angepaßt werden.If two shafts are arranged on the column, each shaft can be connected to one Fasten the individual cross clamp to the stand column by assembling with individual cross clamps, the distance between the two cross arm shafts is variable or can also be adapted here to the moments to be recorded.

Ein vorteilhaftes Fertigungsverfahren für die Rohre zur Aufnahme der Kugelbüchsen besteht darin, daß ein sogenanntes Präzisionsrohr verwendet wird. Dieses weist bereits die erforderliche Genauigkeit für die Aufnahme in dem entsprechenden Kreuzklemmstück auf und wird lediglich auf ein bestimmtes Längenmaß abgeschnitten.An advantageous manufacturing process for the tubes for receiving the ball bushings is that a so-called precision tube is used. This points already the required accuracy for inclusion in the corresponding Cross clamp on and is only to a certain length cut off.

Der Gewichtsausgleich des Handhabungsgerätes erfolgt über ein Gegengewicht oder ein federbelastetes Zugseil. Bei der Anwendung eines federbelasteten Zugseils können handelsübliche Geräte zum Einsatz gelangen.The weight of the handling device is counterbalanced or a spring-loaded pull rope. When using a spring-loaded pull rope commercially available devices can be used.

Eine weitere Ausgestaltung der Erfindung sieht vor, sowohl die Linearlagereinheit des Querarms als auch die Linearlagereinheit an der Standsäule in Bezug auf den Querarm längs verschieb- und arretierbar anzuordnen. Dadurch läßt sich der Arbeitsbereich des Handhabungsgeräts variieren und an die jeweilige Umgebung anpassen.Another embodiment of the invention provides both the linear bearing unit of the cross arm as well as the linear bearing unit on the pedestal in relation to the To arrange the cross arm longitudinally displaceable and lockable. This allows the Working range of the handling device vary and to the respective environment to adjust.

Diese und weitere Merkmale von bevorzugten Weiterbildungen der Erfindung gehen außer aus den Ansprüchen auch aus der Beschreibung und den Zeichnungen hervor, wobei die einzelnen Merkmale jeweils für sich allein oder zu mehreren in Form von Unterkombinationen bei der Ausführungsform der Erfindung und auf anderen Gebieten verwirklicht sein und vorteilhafte, sowie für sich schutzfähige Ausführungen darstellen können, für die hier Schutz beansprucht wird.These and other features of preferred developments of the invention go in addition to the claims and the description and drawings the individual features stand alone or in several Form of sub-combinations in the embodiment of the invention and on other areas to be realized and advantageous, as well as protectable Can represent versions for which protection is claimed here.

Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im folgenden näher erläutert.Embodiments of the invention are shown in the drawings and are explained in more detail below.

Die Zeichnungen zeigen:

  • Fig. 1) die Seitenansicht eines Handhabungsgeräts
  • Fig. 2) die Detaildarstellung eines Kreuzklemmstücks
  • Fig. 3) das Kreuzklemmstück in der Seitendarstellung
  • Fig. 4) das Kreuzklemmstück in der Draufsicht.
  • Fig. 5) die Detaildarstellung der Verbindung zwischen Standsäule und Querarm
    • The drawings show:
  • Fig. 1) the side view of a handling device
  • Fig. 2) the detailed representation of a cross clamp
  • Fig. 3) the cross clamp in the side view
  • Fig. 4) the cross clamp in plan view.
  • Fig. 5) the detailed representation of the connection between the pedestal and cross arm

    • Der Handhabungsgerät gemäß Fig. 1 besteht aus einem Standfuß 10 an dem eine Standsäule 11 befestigt ist. Die Standsäule trägt an ihrem oberen Ende eine Seilzugeinrichtung 12 die ein federbelastetes Zugseil 13 aufweist. Das Zugseil ist an einer ersten Linearlagereinheit 14 befestigt. Diese Linearlagereinheit 14 besteht aus einem Rohr 15 das an seinen Enden Kugelbüchsen 16,17 trägt und damit längsbeweglich und schwenkbar an der Standsäule 11 geführt ist. An dem Rohr 15 sind zwei Kreuzklemmstücke 18,19 befestigt. Jedes Kreuzklemmstück trägt ein rechtwinklig zu der Standsäule 11 angeordnetes Rohr 20,21. In jedem Rohr sind ebenfalls an dessen Enden Kugelbüchsen 22,23,24,25 angeordnet, so daß 2 Linearlagereinheiten für die beiden Querarme 26, 27 gebildet werden. 1 consists of a base 10 on one Stand column 11 is attached. The pedestal carries one at its upper end Cable pull device 12 which has a spring-loaded pull cable 13. The pull rope is on a first linear bearing unit 14 attached. This linear bearing unit 14 consists of a tube 15 which carries ball bushings 16, 17 at its ends and thus is longitudinally movable and pivotable on the pillar 11. On the pipe 15 two cross clamps 18, 19 are attached. Each cross clamp enters Pipe 20, 21 arranged at right angles to the column 11. In every tube are Ball bushings 22, 23, 24, 25 are also arranged at its ends, so that the second Linear bearing units for the two cross arms 26, 27 are formed.

    Die beiden Querarme bzw. die in den Kugelbüchsen 22-25 laufenden Wellen sind an ihren Enden mit Stabilisatoren 28, 29 verbunden. Am Stabilisator 29 ist eine Aufnahmevorrichtung 30 für ein hier nicht dargestelltes, aufzunehmendes Werkzeug wie beispielsweise ein Schrauber, eine Bohrmaschine oder eine Gewindeschneideinrichtung angeordnet. Die Zugkraft der Seilzugeinrichtung 12 ist derart eingestellt, daß das entsprechende Werkzeug nahezu kräftefrei längs der Standsäule bewegt werden kann.The two cross arms and the shafts running in the ball bushings 22-25 are on their ends connected to stabilizers 28, 29. On the stabilizer 29 is one Pick-up device 30 for a tool (not shown here) to be picked up such as a screwdriver, a drill or a Threading device arranged. The tensile force of the cable pull device 12 is set such that the corresponding tool along the Stand column can be moved.

    Die Figuren 2-4 zeigen eine Kreuzklemmstück 18. Dieses weist eine erste Bohrung 31 auf. Zum Klemmen eines in die Bohrung einzuführenden Rohres ist das Kreuzklemmstück mit einem Schlitz 32 versehen. Rechtwinklig zu der Bohrung 31 ist eine weitere Bohrung 33 angeordnet. In dieser Bohrung wird ebenfalls ein Rohr angeordnet. Zwei Schraubgewinde 34, 35 dienen zur Aufnahme zweier Spannschrauben. Durch diese beiden Spannschrauben wird gleichzeitig sowohl ein in der Bohrung 31, als auch ein in der Bohrung 33 angeordnetes Rohr verspannt und befestigt.FIGS. 2-4 show a cross clamping piece 18. This has a first hole 31 on. This is for clamping a pipe to be inserted into the hole Provide cross clamp with a slot 32. Is perpendicular to the bore 31 another hole 33 is arranged. A pipe is also in this hole arranged. Two screw threads 34, 35 serve to accommodate two Turnbuckles. Through these two clamping screws, both a clamped in the bore 31, as well as a tube arranged in the bore 33 and attached.

    Eine Detaildarstellung des Klemmstücks in Verbindung mit der Standsäule und einem Querarm zeigt Fig. 5. Die Standsäule 11 ist über die Kugelbüchse 16 und das Rohr 15 in dem Kreuzklemmstück 18 befestigt. Ebenso ist das Rohr 20 in das Kreuzklemmstück 18 eingespannt. Das Rohr 20 trägt über die Kugelbüchsen 22, 23 den Querarm 26. Zum Verschieben des Rohres 20 in dem Kreuzklemmstück und zum Verschieben des Kreuzklemmstücks in Bezug auf das Rohr 15 wird die Schraubverbindung 36 geöffnet und die entsprechende Lageänderung durchgeführt.A detailed representation of the clamping piece in connection with the pedestal and a cross arm is shown in Fig. 5. The column 11 is over the ball bushing 16 and that Tube 15 attached to the cross clamp 18. Likewise, the tube 20 is in the Cross clamp 18 clamped. The tube 20 carries over the ball bushings 22, 23rd the cross arm 26. To move the tube 20 in the cross clamp and to move the cross clamp with respect to the tube 15 is the Screw connection 36 opened and the corresponding change in position carried out.

    Durch die Verwendung eines einzelnen Kreuzklemmstücks für jeden Querarm läßt sich der Abstand der Querarme entsprechend variieren. Es hat sich als zweckmäßig erwiesen, diesen Abstand so zu wählen, daß er mindestens das fünffache des Durchmessers der Querarmwelle beträgt.By using a single cross clamp for each cross arm the distance between the cross arms vary accordingly. It has come in handy proved to choose this distance so that it is at least five times the Diameter of the cross arm shaft.

    Claims (8)

    Handhabungsgerät für das manuelle Bewegen von Lasten insbesondere von Arbeitsgeräten, bestehend aus einer Standsäule, einem daran angeordneten axial verschiebbaren Querarm, mit einer Werkzeughalterung dadurch gekennzeichnet, daß der Querarm aus wenigstens einer längsverschiebbaren Welle besteht, welche in einer Linearlagereinheit geführt ist, wobei die Linearlagereinheit aus einem Rohr besteht, das an seinen Enden Kugelbüchsen aufweist.Handling device for the manual movement of loads, in particular of Tools, consisting of a pedestal, an axially arranged thereon sliding cross arm, characterized by a tool holder, that the cross arm consists of at least one longitudinally displaceable shaft, which is guided in a linear bearing unit, the linear bearing unit consisting of consists of a tube which has ball bushings at its ends. Handhabungsgerät nach Anspruch 1, dadurch gekennzeichnet, daß der Querarm aus 2 Wellen besteht, die jeweils in einer Linearlagereinheit angeordnet ist und wobei der Achsabstand der Wellen größer als der fünffache Wellendurchmesser ist.Handling device according to claim 1, characterized in that the cross arm consists of 2 shafts, each arranged in a linear bearing unit and where the center distance of the shafts is greater than five times the shaft diameter is. Handhabungsgerät nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der Querarm über wenigstens ein Kreuzklemmstück an einer an der Standsäule angeordneten Linearlagereinheit angeordnet ist, wobei die Linearlagereinheit aus einem Rohr besteht, an dessen Enden Kugelbüchsen angeordnet sind.Handling device according to one of the preceding claims, characterized characterized in that the cross arm on at least one cross clamp on a arranged on the pillar arranged linear bearing unit, the Linear bearing unit consists of a tube with ball bushings at the ends are arranged. Handhabungsgerät nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß eines oder mehrere der Rohre zur Aufnahme der Kugelbüchsen ein an seinem Außendurchmesser unbearbeitetes Präzisionsrohr ist.Handling device according to one of the preceding claims, characterized characterized in that one or more of the tubes for receiving the Ball bushings are a precision tube that has not been machined on its outer diameter is. Handhabungsgerät nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der Gewichtsausgleich über ein Gegengewicht oder ein federbelastetes Zugseil erfolgt.Handling device according to one of the preceding claims, characterized characterized in that the counterbalance via a counterweight or a spring-loaded pull rope is carried out. Handhabungsgerät nach einem der vorherigen Ansprüche dadurch gekennzeichnet, daß die Linearlagereinheit des Querarms verschieb- und stufenlos arretierbar an der Standsäule angeordnet ist. Handling device according to one of the preceding claims characterized in that the linear bearing unit of the cross arm displaces and is infinitely lockable on the pillar. Handhabungsgerät nach einem der vorherigen Ansprüche dadurch gekennzeichnet, daß die Linearlagereinheit an der Standsäule in Bezug auf den Querarm längs verschieb- und stufenlos arretierbar angeordnet ist.Handling device according to one of the preceding claims characterized in that the linear bearing unit on the pillar in relation to the Cross arm is arranged longitudinally displaceable and infinitely lockable. Kreuzklemmstück insbesondere zur Anwendung an einen Handhabungsgerät zur gleichzeitigen Befestigung zweier Wellen oder Rohre in einem 90° Winkel zueinander, wobei dieses einen rechtwinklig zu einer Wellenachse verlaufender Schlitz aufweist und wenigstens eine Spannschraube vorgesehen ist zum gleichzeitigen Klemmen beider Wellen oder Rohre.Cross clamp in particular for use on a handling device simultaneous fastening of two shafts or pipes at a 90 ° angle to each other, this one being perpendicular to a shaft axis Has slot and at least one clamping screw is provided for simultaneous clamping of both shafts or pipes.
    EP98110873A 1997-07-04 1998-06-15 Manipulator Expired - Lifetime EP0888852B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19728638 1997-07-04
    DE19728638A DE19728638A1 (en) 1997-07-04 1997-07-04 Handling device

    Publications (2)

    Publication Number Publication Date
    EP0888852A1 true EP0888852A1 (en) 1999-01-07
    EP0888852B1 EP0888852B1 (en) 2002-12-11

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    Application Number Title Priority Date Filing Date
    EP98110873A Expired - Lifetime EP0888852B1 (en) 1997-07-04 1998-06-15 Manipulator

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    EP (1) EP0888852B1 (en)
    AT (1) ATE229409T1 (en)
    DE (2) DE19728638A1 (en)

    Cited By (3)

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    GB2511784A (en) * 2013-03-13 2014-09-17 Airbus Operations Ltd A support apparatus for supporting a device for expanding a sleeve
    CN104925639A (en) * 2015-05-18 2015-09-23 苏州派迪动力科技有限公司 Zero-gravity linear counterforce arm
    CN110919871A (en) * 2019-11-30 2020-03-27 江苏刘一刀精密机械有限公司 Electric hand drill tool bit positioning device

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    US4566819A (en) * 1982-03-01 1986-01-28 Aluma Systems, Incorporated Clamp for shoring and scaffolding frames
    US5096151A (en) * 1989-05-09 1992-03-17 Sylvan R. Shemitz Associates, Inc. Mounted cantilever bracket
    EP0515069A2 (en) * 1991-05-22 1992-11-25 Kabushiki Kaisha Kokuho Suspender arm for machinery
    FR2749788A1 (en) * 1996-06-12 1997-12-19 Chaffoteaux Et Maury Automatic screw tightener for workshop use

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    Publication number Priority date Publication date Assignee Title
    US1674669A (en) * 1927-03-14 1928-06-26 Stedman Percy Arthur Supporting device for manipulating tools
    US3048360A (en) * 1959-07-14 1962-08-07 United Medical Products Co Inc Suspension device for intravenous fluid supply containers
    US3031566A (en) * 1960-02-15 1962-04-24 Pandjiris Weldment Company Welding manipulator with reciprocating boom
    DE2640447A1 (en) * 1976-09-08 1978-03-16 Weber Schraubautomaten Weight compensating frame for manually held power screw driver - has support arm with universal joint and weight equaliser coupled to rear of tool
    US4566819A (en) * 1982-03-01 1986-01-28 Aluma Systems, Incorporated Clamp for shoring and scaffolding frames
    US5096151A (en) * 1989-05-09 1992-03-17 Sylvan R. Shemitz Associates, Inc. Mounted cantilever bracket
    EP0515069A2 (en) * 1991-05-22 1992-11-25 Kabushiki Kaisha Kokuho Suspender arm for machinery
    FR2749788A1 (en) * 1996-06-12 1997-12-19 Chaffoteaux Et Maury Automatic screw tightener for workshop use

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    * Cited by examiner, † Cited by third party
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    GB2511784A (en) * 2013-03-13 2014-09-17 Airbus Operations Ltd A support apparatus for supporting a device for expanding a sleeve
    GB2511784B (en) * 2013-03-13 2016-05-25 Airbus Operations Ltd A support apparatus for supporting a device for expanding a sleeve
    CN104925639A (en) * 2015-05-18 2015-09-23 苏州派迪动力科技有限公司 Zero-gravity linear counterforce arm
    CN110919871A (en) * 2019-11-30 2020-03-27 江苏刘一刀精密机械有限公司 Electric hand drill tool bit positioning device

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    DE59806591D1 (en) 2003-01-23
    ATE229409T1 (en) 2002-12-15
    EP0888852B1 (en) 2002-12-11
    DE19728638A1 (en) 1999-01-07

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