EP0657123B1 - Flat-type lifting element - Google Patents
Flat-type lifting element Download PDFInfo
- Publication number
- EP0657123B1 EP0657123B1 EP94116546A EP94116546A EP0657123B1 EP 0657123 B1 EP0657123 B1 EP 0657123B1 EP 94116546 A EP94116546 A EP 94116546A EP 94116546 A EP94116546 A EP 94116546A EP 0657123 B1 EP0657123 B1 EP 0657123B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow profile
- lifting element
- profile bar
- element according
- inner hollow
- 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 - Lifetime
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/04—Extensible bedsteads, e.g. with adjustment of length, width, height
- A47C19/045—Extensible bedsteads, e.g. with adjustment of length, width, height with entire frame height or inclination adjustments
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- 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
- A47B9/00—Tables with tops of variable height
- A47B9/04—Tables with tops of variable height with vertical spindle
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- 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
- A47B9/00—Tables with tops of variable height
- A47B9/20—Telescopic guides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/018—Control or drive mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/10—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated with telescopic sleeves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
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- 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
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
- A47B2200/0051—Telescopic
- A47B2200/0052—Telescopic with two telescopic parts
- A47B2200/0053—Flat lifting device for desks with two telescopic sections
-
- 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
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
- A47B2200/0056—Leg adjustment with a motor, e.g. an electric motor
-
- 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
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
- A47B2200/0056—Leg adjustment with a motor, e.g. an electric motor
- A47B2200/0059—Leg adjustment with a motor, e.g. an electric motor in telescoping table legs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame
Definitions
- the invention relates to a flat lifting element, in particular for furniture, with an outer and an inner hollow profile rail with closed cross sections and each Greater width than thickness and with an electromotive actuator.
- EP 0 561 136 A1 is a flat lifting element known adjustment device for a height-adjustable table known, which are formed from an outer and inner hollow profile rail, both have an indefinable cross-section because they have many beads and indentations exhibit.
- the inner hollow profile rail takes the adjusting spindle and the spindle nut of the electromotive actuator. To do this, it is open to the outside Provide recess in which a flange is attached. The two walls are even perfectly close to each other in this area.
- the spindle is in the bottom Area provided with two spaced collars, which in the assembled state lie above and below the flange. This turns the spindle against axial
- the present invention has for its object a flat lifting element Design described in more detail at the outset so that it is structurally simpler Way, a compact lifting element is created, which is taken into account Narrow installation spaces can be used universally and are also highly resilient is.
- the task is solved by the linearly movable output member of the Actuator is directly coupled to the outer or inner hollow profile rail that the inner and outer hollow profile rails are essentially smooth and cross-section-like are, and that the outer hollow profile rail, the inner hollow profile rail encompasses essentially over the entire surface.
- the flat lifting element according to the invention are essentially in addition to the electromotive actuator only the two hollow profile rails required. These are preferably for Weight reduction from light metal, for example aluminum, manufactured. Such profiles can be obtained commercially, so that the flat lifting element is inexpensive to manufacture.
- the Flat lifting element is suitable for all installation positions, so that it is universally applicable. It can also optically, for example can be adapted very well to furniture fronts, as the visible ones External surfaces coated accordingly or with a decorative film can be pasted.
- the outer contour of the inner cross section Hollow profile rail with the inner contour of the outer hollow profile rail matches, or that the outer contour of the inner Hollow profile rail with the formation of an annular gap in a small and constant distance to the inner contour of the outer Profile rail runs.
- the cross sections the outer and inner hollow profile rails rectangular are formed that the thicknesses of the narrow sides are larger are as that of the broadsides and that at least in each narrow side an open on one side, circular in cross section Screw groove is. Since the narrow sides are reinforced, results there is an additional increase in the stability of the hollow profile rails.
- the screw-in grooves on the inner and outer hollow profile rail suitable connecting parts or Screw on the stop parts. This version should also be useful not be burdened by sharp edges. To the corners of the hollow profile rails are rounded or they run in a circular arc with a relatively small radius.
- the outer hollow profile rail inside with several in the longitudinal direction Grooves is provided in the guide rods that are preferably consist of a plastic. These grooves respectively Guide rods are conveniently in each other opposite long side areas. Because the inner Profile rail contacting surfaces opposite the inner surface protrude the outer profile rail, these guide rods can also be seen as spacer bars. However, it is also possible that the grooves are arranged in the inner hollow profile rail are and that the guide rods are firmly inserted therein, so that they move in the event that the inner hollow profile rail will be taken away. The opposite of the outer surface protruding surfaces then contact the inner surface of the outer hollow profile rail.
- the electromotive actuator is usually with a provided with a rotationally drivable adjusting spindle.
- This adjusting spindle is expediently protected in the inner hollow profile rail. Relative to the upright position of the flat lifting element then the engine and possibly the gearbox is in the lower area of the flat lifting element.
- a flexible drive means is for example a well-known flexible shaft.
- the flat lifting element 10 shown in FIG. 1 consists of essentially from an outer hollow profile rail 11, an inner Hollow profile rail 12 and an electric motor drive 13.
- the walls of the two hollow profile rails 11, 12 are cut open to show that the rotationally driven threaded spindle 14 of the electric motor drive 13 upright is arranged in the inner hollow profile rail 12.
- On the threaded spindle 14 is a block-like nut 15, which in an unspecified manner firmly with the inner Hollow profile rail 12 is connected.
- the electromotive Drive 13 includes a gear motor 16 around the threaded spindle 14 to drive.
- the outer hollow profile rail 11 and the inner hollow profile rail 12 are made of an aluminum profile, the outer hollow profile rail according to FIG 11 encloses the inner hollow profile rail 12 in a closing manner.
- FIG. 3 indicates that the electromotive drive 13 opposite End of the extendable hollow profile rail, in this embodiment the inner hollow profile rail 12, with a connecting part 18 is provided. From the figures it follows that the flat lifting element 10 is suitable for all installation positions.
- the narrow sides are formed as a semicircle. In the designs according to Figures 3 to 5, the narrow sides are flat, however the corners run in a radius.
- the cross sections of the hollow profile rails 11, 12 can be seen as examples, and the same execution of the electromotive drive 13.
- the hollow profile rails 11, 12 are made of extruded extruded profiles. In particular in the embodiment according to FIGS. 1 and 2 can increase the stability of the long side areas formed by 1 tube with a circular cross-section which are then connected to each other by filling panels are.
- Figure 2 shows that in the arcuate long side area the outer hollow profile rail 11 3 grooves on the inside are incorporated into the plastic guide rods 17 are used.
- the guide rods 17 contact the Outer surface of the inner hollow profile rail 12, since the contact surfaces opposite the inner surface of the outer hollow profile rail 11 project. This arrangement reduces friction.
- the outer surface of the inner hollow profile rail runs 12 at a short distance from the inner surface of the outer Hollow section rail 11. From FIG. 2 it is readily apparent that that the grooves also on the outside in the inner hollow profile rail 12 can be provided so that the above Surfaces contact the inner surfaces of the outer hollow profile rail 11.
- the guide rods 17 either cannot shown the outer surface of the inner hollow profile rail 12 or the inner surface of the outer hollow profile rail 11 each in whole or in part with a friction reducing Covering, for example with a film, or be pasted.
- the friction reducing version can be in correspondingly also in the exemplary embodiments according to produce Figures 3 to 5.
- 3 is intended to Possibility to be shown how stability increases and the lateral forces that occur can be better removed.
- Figure 3 shows that the rectangular Cross section of both the outer hollow profile rail 11 and also the inner hollow profile rail 12 with reinforced narrow side walls can be executed.
- the narrow side walls are longitudinally extending screw grooves 21 arranged to for example, the connecting part on the extendable hollow profile rail 18 to attach.
- the grooves are in cross section circular, but on the inner sides facing each other open.
- a connector 22 can be set on the electromotive drive associated lower end face also a connector 22 can be set.
- Reference numeral 23 is a connection cable equipped with a plug designated.
- FIG. 5 shows an embodiment in which the outer hollow profile rail 11 over the inner hollow profile rail 12 is turned over. So that the outer hollow profile rail 11 can be moved by the threaded spindle 14 is inside the hollow profile rail 11 a extending in the longitudinal direction Profile piece 26 in the form of a square tube used. The profile piece 26 is somewhat shorter than the hollow profile rail 11. The one assigned to the electric motor drive 13 The front end is at a distance from the associated end the hollow profile rail 11. The profile piece 26 is with the block-like Mother 15 firmly connected. By turning the threaded spindle 14 shifts the outer hollow profile rail 11 opposite the inner hollow profile rail 12. It should be mentioned that the hollow profile rails 11, 12 in the exemplary embodiments according to Figures 1, 4 and 5 according to the embodiment 3 can be provided with profiles.
- the two End positions of the movable hollow profile rails 11 or 12 are specified by limit switches, not shown.
- This Limit switches can be set on a perforated rail, see above that they are easily moved to a different position can be, for example, the maximum stroke of the to be adjusted Hollow profile rail 11 or 12 can not be used should.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Nursing (AREA)
- Transmission Devices (AREA)
- Vehicle Body Suspensions (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Invalid Beds And Related Equipment (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
Description
Die Erfindung betrifft ein Flachhubelement, insbesondere für Möbel, mit einer äußeren und einer inneren Hohlprofilschiene mit geschlossenen Querschnitten und jeweils größerer Breite als Dicke und mit einem elektromotorischen Stelltrieb.The invention relates to a flat lifting element, in particular for furniture, with an outer and an inner hollow profile rail with closed cross sections and each Greater width than thickness and with an electromotive actuator.
Das in Rede stehende Flachhubelement wird insbesondere für Möbel verwendet, wie z. B. Kranken- und Pflegebetten, Lattenroste, Fernsehsessel sowie für höhenverstellbare Tische. Die bisher bekannten Stelltriebe sind speziell für den jeweiligen Verwendungszweck ausgelegt. So ist aus den EP 0 561 136 A1 eine als Flachhubelement zu bezeichnende Verstelleinrichtung für einen höhenverstellbaren Tisch bekannt, die aus einer äußeren und inneren Hohlprofilschiene gebildet sind, die beide einen nicht definierbaren Querschnitt aufweisen, da sie viele Sicken und Einziehungen aufweisen. Die innere Hohlprofilschiene nimmt die Stellspindel und die Spindelmutter des elektromotorischen Stelltriebes auf. Dazu ist sie mit einer nach außen offenen Einziehung versehen, in dem ein Flansch angesetzt ist. Die beiden Wandungen liegen in diesem Bereich sogar vollkommen aneinander. Die Spindel ist im unteren Bereich mit zwei beabstandeten Kragen versehen, die im montierten Zustand oberhalb und unterhalb des Flansches liegen. Dadurch wird die Spindel gegen axiale The flat lifting element in question is used in particular for furniture such as e.g. B. hospital and nursing beds, slatted frames, TV armchairs and for height-adjustable Tables. The previously known actuators are special for each Designed for use. EP 0 561 136 A1 is a flat lifting element known adjustment device for a height-adjustable table known, which are formed from an outer and inner hollow profile rail, both have an indefinable cross-section because they have many beads and indentations exhibit. The inner hollow profile rail takes the adjusting spindle and the spindle nut of the electromotive actuator. To do this, it is open to the outside Provide recess in which a flange is attached. The two walls are even perfectly close to each other in this area. The spindle is in the bottom Area provided with two spaced collars, which in the assembled state lie above and below the flange. This turns the spindle against axial
Verschiebung gesichert. Über die Spindelmutter wird ein Vierkantrohr gestülpt, welches mit einer Lochreihe versehen ist. Die Verbindung mit der Spindelmutter erfolgt durch eine Schraube, die auch die Wandung des äußeren Profils durchdringt. Diese Verstelleinrichtung ist entsprechend den vorbekannten Stelltrieben nur für einen bestimmten Einsatzzweck verwendbar, da es für relativ große Belastungen ausgelegt ist und nicht für die universelle Verwendbarkeit unter Berücksichtigung kleinster und enger Einbauräume.Movement secured. A square tube is placed over the spindle nut, which is provided with a row of holes. The connection with the spindle nut is made by a screw that also penetrates the wall of the outer profile. This Adjustment device is according to the previously known actuators only for a certain one Can be used as it is designed for relatively large loads is and not for universal use considering the smallest and narrow installation spaces.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Flachhubelement der eingangs näher beschriebenen Art so auszugestalten, daß in konstruktiv einfacher Weise ein kompaktes Hubelement geschaffen wird, welches unter Berücksichtigung enger Einbauräume universell einsetzbar und darüber hinaus noch hoch belastbar ist.The present invention has for its object a flat lifting element Design described in more detail at the outset so that it is structurally simpler Way, a compact lifting element is created, which is taken into account Narrow installation spaces can be used universally and are also highly resilient is.
Die gestellte Aufgabe wird gelöst, indem das linear bewegliche Abtriebsglied des Stelltriebes mit der äußeren oder inneren Hohlprofilschiene direkt gekoppelt ist, daß die innere und äußere Hohlprofilschiene im wesentlichen glattflächig und querschnittsähnlich sind, und daß die äußere Hohlprofilschiene die innere Hohlprofilschiene im wesentlichen vollflächig umgreift. The task is solved by the linearly movable output member of the Actuator is directly coupled to the outer or inner hollow profile rail that the inner and outer hollow profile rails are essentially smooth and cross-section-like are, and that the outer hollow profile rail, the inner hollow profile rail encompasses essentially over the entire surface.
Bei dem erfindungsgemäßen Flachhubelement werden im wesentlichen zusätzlich zum elektromotorischen Stelltrieb nur noch die beiden Hohlprofilschienen benötigt. Diese sind vorzugsweise zur Gewichtsreduzierung aus Leichtmetall, beispielsweise Aluminium, gefertigt. Derartige Profile können im Handel bezogen werden, so daß das Flachhubelement kostengünstig herstellbar ist. Das Flachhubelement ist für alle Einbaulagen geeignet, so daß es universell einsetzbar ist. Außerdem kann es optisch beispielsweise an Möbelfronten sehr gut angepaßt werden, da die sichtbaren Außenflächen entsprechend beschichtet oder mit einer Dekorfolie beklebt werden können.In the flat lifting element according to the invention are essentially in addition to the electromotive actuator only the two hollow profile rails required. These are preferably for Weight reduction from light metal, for example aluminum, manufactured. Such profiles can be obtained commercially, so that the flat lifting element is inexpensive to manufacture. The Flat lifting element is suitable for all installation positions, so that it is universally applicable. It can also optically, for example can be adapted very well to furniture fronts, as the visible ones External surfaces coated accordingly or with a decorative film can be pasted.
Da die beiden Hohlprofilschienen relativ dünn sind, wird ein entsprechend geringer Einbauraum benötigt, wodurch die Einsatzmöglichkeiten noch zusätzlich gesteigert werden. Durch die Kopplung des Abtriebsgliedes des elektromotorischen Stelltriebes mit der inneren oder äußeren Hohlprofilschiene ergibt sich eine konstruktiv günstige Lösung, da zumindest ein Teil der Bauteile des elektromotorischen Stelltriebes im Inneren der inneren Hohlprofilschiene untergebracht werden können. Dadurch sind diese Bauteile sehr gut geschützt. Als Hohlprofile kommen Rechteckprofile infrage, wobei jedoch die Seitenkanten unterschiedlich sind. Da für verschiedene Einbaufälle die scharfen Kanten stören, ist in weiterer Ausgestaltung vorgesehen, daß die einander gegenüberliegenden Längsseitenbereiche in einem Bogen, vorzugsweise in einem Halbkreis, verlaufen. Ferner ist vorgesehen, daß querschnittsmäßig die Außenkontur der inneren Hohlprofilschiene mit der Innenkontur der äußeren Hohlprofilschiene übereinstimmt, oder daß die Außenkontur der inneren Hohlprofilschiene unter Bildung eines Ringspaltes in einem geringen und gleichbleibenden Abstand zur Innenkontur der äußeren Profilschiene verläuft.Since the two hollow profile rails are relatively thin, a correspondingly small installation space is required, which increases the possible uses be further increased. Through the Coupling the output member of the electromotive actuator with the inner or outer hollow profile rail results a constructively favorable solution, since at least part of the Components of the electromotive actuator inside the inner Hollow profile rail can be accommodated. Thereby these components are very well protected. Come as hollow profiles Rectangular profiles in question, but the side edges are different are. As the sharp for different installation cases Disrupt edges, is provided in a further embodiment that the opposite longitudinal side areas in one Arc, preferably in a semicircle. Further is provided that the outer contour of the inner cross section Hollow profile rail with the inner contour of the outer hollow profile rail matches, or that the outer contour of the inner Hollow profile rail with the formation of an annular gap in a small and constant distance to the inner contour of the outer Profile rail runs.
Zur Erhöhung der Stabilität der Hohlprofilschienen ist vorgesehen, daß die einander zugewandten Flächen der äußeren und inneren Hohlprofilschiene mit ineinandergreifenden, in Bewegungsrichtung der ausfahrbaren Hohlprofilschiene sich erstreckenden, Profilierungen versehen ist. Außerdem können dann durch die sich kontaktierenden Flächen der Profilierungen Querkräfte in erhöhtem Maße abgetragen werden. Konstruktiv lassen sich diese Profilierungen in einfachster Weise herstellen, wenn die Profilierungen aus zumindest an einer Breitseite der inneren Hohlprofilschiene vorgesehene, nutartige Einziehungen und in die Einziehungen eingreifende, an der zugewandt liegenden Innenseite der äußeren Hohlprofilschiene angesetzten Stegen gebildet sind. Dadurch wird außerdem die Führung der beiden Hohlprofilschienen zueinander verbessert.To increase the stability of the hollow profile rails, that the facing surfaces of the outer and inner Hollow profile rail with interlocking, in the direction of movement the extendable hollow profile rail, Profiling is provided. In addition, then through the contacting surfaces of the profiles transverse forces to a greater extent. These can be constructed Create profiles in the simplest way if the profiles from at least on one broad side of the inner hollow profile rail intended, groove-like recoveries and in the Interfering, on the inside facing webs attached to the outer hollow profile rail are. This will also guide the two hollow profile rails improved to each other.
Gemäß einer Ausführungsform ist vorgesehen, daß die Querschnitte der äußeren und inneren Hohlprofilschienen rechteckförmig ausgebildet sind, daß die Dicken der Schmalseiten größer sind als die der Breitseiten und daß in jeder Schmalseite wenigstens eine einseitig offene, im Querschnitt kreisförmige Einschraubnut liegt. Da die Schmalseiten verstärkt sind, ergibt sich noch eine zusätzliche Stabilitätserhöhung der Hohlprofilschienen. Durch die Einschraubnuten lassen sich an der inneren und äußeren Hohlprofilschiene geeignete Verbindungsteile oder Anschlagteile anschrauben. Auch diese Ausführung sollte zweckmäßigerweise nicht durch scharfe Kanten belastet werden. Dazu sind die Ecken der Hohlprofilschienen gerundet, bzw. sie verlaufen in einem Kreisbogen mit einem relativ geringen Radius.According to one embodiment it is provided that the cross sections the outer and inner hollow profile rails rectangular are formed that the thicknesses of the narrow sides are larger are as that of the broadsides and that at least in each narrow side an open on one side, circular in cross section Screw groove is. Since the narrow sides are reinforced, results there is an additional increase in the stability of the hollow profile rails. The screw-in grooves on the inner and outer hollow profile rail suitable connecting parts or Screw on the stop parts. This version should also be useful not be burdened by sharp edges. To the corners of the hollow profile rails are rounded or they run in a circular arc with a relatively small radius.
Damit die Reibung beim Verfahren der jeweiligen Profilschiene vermindert wird, ist vorgesehen, daß die äußere Hohlprofilschiene innenseitig mit mehreren in Längsrichtung verlaufenden Nuten versehen ist, in die Führungsstäbe eingesetzt sind, die vorzugsweise aus einem Kunststoff bestehen. Diese Nuten beziehungsweise Führungsstäbe liegen zweckmäßigerweise in den einander gegenüberliegenden Längsseitenbereichen. Da die die innere Profilschiene kontaktierenden Flächen gegenüber der Innenfläche der äußeren Profilschiene vorstehen, können diese Führungsstäbe auch als Distanzstäbe gesehen werden. Es ist jedoch auch möglich, daß die Nuten in der inneren Hohlprofilschiene angeordnet sind und daß die Führungsstäbe darin fest eingesetzt sind, so daß sie für den Fall, daß die innere Hohlprofilschiene verfahren wird, mitgenommen werden. Die gegenüber der Außenfläche vorstehenden Flächen kontaktieren dann die Innenfläche der äußeren Hohlprofilschiene.So that the friction when moving the respective profile rail is reduced, it is provided that the outer hollow profile rail inside with several in the longitudinal direction Grooves is provided in the guide rods that are preferably consist of a plastic. These grooves respectively Guide rods are conveniently in each other opposite long side areas. Because the inner Profile rail contacting surfaces opposite the inner surface protrude the outer profile rail, these guide rods can also be seen as spacer bars. However, it is also possible that the grooves are arranged in the inner hollow profile rail are and that the guide rods are firmly inserted therein, so that they move in the event that the inner hollow profile rail will be taken away. The opposite of the outer surface protruding surfaces then contact the inner surface of the outer hollow profile rail.
Der elektromotorische Stelltrieb ist üblicherweise mit einer rotierend antreibbaren Stellspindel versehen. Diese Stellspindel liegt zweckmäßigerweise geschützt in der inneren Hohlprofilschiene. Bezogen auf die aufrechte Stellung des Flachhubelementes liegt dann der Motor und gegebenenfalls das Getriebe im unteren Bereich des Flachhubelementes. Für verschiedene Einbaufälle kann es jedoch auch zweckmäßig sein, wenn der Antriebsmotor beziehungsweise der Antriebsgetriebemotor des elektromotorischen Stelltriebes über ein flexibles Antriebsmittel mit der rotierend antreibbaren Stellspindel antriebstechnisch gekoppelt ist. Ein derartiges flexibles Antriebsmittel ist beispielsweise eine allgemein bekannte biegsame Welle.The electromotive actuator is usually with a provided with a rotationally drivable adjusting spindle. This adjusting spindle is expediently protected in the inner hollow profile rail. Relative to the upright position of the flat lifting element then the engine and possibly the gearbox is in the lower area of the flat lifting element. For different installation cases However, it can also be useful if the drive motor or the drive gear motor of the electromotive Actuator via a flexible drive means drive technology with the rotating driven spindle is coupled. Such a flexible drive means is for example a well-known flexible shaft.
Anhand der beiliegenden Zeichnungen wird die Erfindung noch näher erläutert. Es zeigen:
- Figur 1
- Ein erstes Ausführungsbeispiel eines erfindungsgemäßen Flachhubelementes in perspektivischer Darstellung,
- Figur 2
- das in der Figur 1 dargestellte Flachhubelement im Querschnitt,
- Figur 3
- eine zweite Ausführungsform des erfindungsgemäßen Flachhubelementes in perspektivischer Darstellung,
- Figur 4
- ein drittes Ausführungsbeispiel des erfindungsgemäßen Flachhubelementes in Ansicht und
- Figur 5
- ein viertes Ausführungsbeispiel des erfindungsgemäßen Flachhubelementes in Ansicht.
- Figure 1
- A first embodiment of a flat lifting element according to the invention in a perspective view,
- Figure 2
- the flat lifting element shown in Figure 1 in cross section,
- Figure 3
- a second embodiment of the flat lifting element according to the invention in a perspective view,
- Figure 4
- a third embodiment of the flat lifting element according to the invention in view and
- Figure 5
- a fourth embodiment of the flat lifting element according to the invention in view.
Das in der Figur 1 dargestellte Flachhubelement 10 besteht im
wesentlichen aus einer äußeren Hohlprofilschiene 11, einer inneren
Hohlprofilschiene 12 und einem elektromotorischen Antrieb
13. Die Wandungen der beiden Hohlprofilschienen 11, 12 sind
aufgeschnitten, um zu zeigen, daß die rotierend antreibbare Gewindespindel
14 des elektromotorischen Antriebes 13 aufrechtstehend
in der inneren Hohlprofilschiene 12 angeordnet ist. Auf
die Gewindespindel 14 ist eine klotzartige Mutter 15 aufgesetzt,
die in nicht näher erläuterter Weise fest mit der inneren
Hohlprofilschiene 12 verbunden ist. Der elektromotorische
Antrieb 13 beinhaltet einen Getriebemotor 16, um die Gewindespindel
14 anzutreiben. Die äußere Hohlprofilschiene 11 und die
innere Hohlprofilschiene 12 sind aus einem Aluminiumprofil gefertigt,
wobei gemäß der Figur 1 die äußere Hohlprofilschiene
11 die innere Hohlprofilschiene 12 schließend umgreift. Die
beiden Längen der Hohlprofilschienen 11, 12 stimmen in den dargestellten
Ausführungsbeispielen überein oder annähernd überein.
In der eingefahrenen Stellung fluchten die beiden dem
elektromotorischen Antrieb 13 gegenüberliegenden Stirnflächen
miteinander. Die Figuren 1 und 3 bis 5 zeigen, daß die Getriebemotoren
16 im Bereich eines Stirnendes des Flachhubelementes
10 angeordnet sind. Im Gegensatz zu den dargestellten Ausführungsbeispielen
ist es jedoch in nicht dargestellter Weise
ebenso möglich, daß die rotierend antreibbare Gewindespindel 14
mittels einer biegsamen Welle angetrieben wird. Das Getriebe
kann dann direkt an den elektrischen Antriebsmotor angeflanscht
werden. Die biegsame Welle stellt dann die antriebstechnische
Verbindung zur Gewindespindel 14 her. Diese Ausführung hat den
Vorteil, daß die biegsame Welle mit relativ geringer Drehzahl
angetrieben wird. Würde die biegsame Welle das Antriebsmittel
zwischen dem elektromotorischen Antrieb und dem Getriebe
bilden, würde sie mit der Abtriebsdrehzahl des Motors
angetrieben.The
In den dargestellten Ausführungsbeispielen stehen die Breiten
zu den Dicken der beiden Hohlprofilschienen 11, 12 in einem
Verhältnis von etwa 5 : 1 zueinander. In der Figur 3 ist angedeutet,
daß das dem elektromotorischen Antrieb 13 gegenüberliegende
Ende der ausfahrbaren Hohlprofilschiene, in diesem Ausführungsbeispiel
die innere Hohlprofilschiene 12, mit einem Anschlußteil
18 versehen wird. Aus den Figuren ergibt sich, daß
das Flachhubelement 10 für alle Einbaulagen geeignet ist. The widths are shown in the illustrated exemplary embodiments
to the thicknesses of the two hollow profile rails 11, 12 in one
Ratio of about 5: 1 to each other. FIG. 3 indicates
that the
Bei den Ausführungen gemäß den Figuren 1 und 2 sind die Schmalseiten
als Halbkreis ausgebildet. Bei den Ausführungen gemäß
den Figuren 3 bis 5 sind die Schmalseiten flächig, wobei jedoch
die Ecken in einem Radius verlaufen. Die Querschnitte der Hohlprofilschienen
11, 12 sind beispielhaft zu sehen, desgleichen
die Ausführung des elektromotorischen Antriebes 13. Die Hohlprofilschienen
11, 12 sind aus gepreßten Strangprofilen gefertigt.
Insbesondere bei der Ausführung nach den Figuren 1 und 2
können zur Erhöhung der Stabilität die Längsseitenbereiche
durch jeweils 1 Rohr mit kreisförmigem Querschnitt gebildet
werden, die dann durch Füllungsplatten miteinander verbunden
sind.In the embodiments according to FIGS. 1 and 2, the narrow sides are
formed as a semicircle. In the designs according to
Figures 3 to 5, the narrow sides are flat, however
the corners run in a radius. The cross sections of the hollow profile rails
11, 12 can be seen as examples, and the same
execution of the
Die Figur 2 zeigt, daß in dem bogenförmigen Längsseitenbereich
der äußeren Hohlprofilschiene 11 innenseitig jeweils 3 Nuten
eingearbeitet sind, in die aus Kunststoff bestehende Führungsstäbe
17 eingesetzt sind. Die Führungsstäbe 17 kontaktieren die
Außenfläche der inneren Hohlprofilschiene 12, da die Kontaktflächen
gegenüber der Innenfläche der äußeren Hohlprofilschiene
11 vorstehen. Durch diese Anordnung wird die Reibung vermindert.
Dadurch verläuft die Außenfläche der inneren Hohlprofilschiene
12 in einem geringen Abstand zur Innenfläche der äußeren
Hohlprofilschiene 11. Aus der Figur 2 ergibt sich ohne weiteres,
daß die Nuten auch außenseitig in der inneren Hohlprofilschiene
12 vorgesehen sein können, so daß die vorstehenden
Flächen die Innenflächen der äußeren Hohlprofilschiene 11 kontaktieren.
Anstelle der Führungsstäbe 17 kann entweder in nicht
dargestellter Weise die Außenfläche der inneren Hohlprofilschiene
12 oder die Innenfläche der äußeren Hohlprofilschiene
11 jeweils ganz oder teilweise mit einem die Reibung vermindernden
Belag, beispielsweise mit einer Folie, versehen oder
beklebt werden. Die reibungsmindernde Ausführung läßt sich in
entsprechender Weise auch bei den Ausführungsbeispielen gemäß
den Figuren 3 bis 5 herstellen. Durch die Figur 3 soll eine
Möglichkeit aufgezeigt werden, wie die Stabilität erhöht und
die auftretenden Querkräfte besser abgetragen werden können.
Dazu sind die Hohlprofilschienen 11, 12 mit ineinandergreifenden
Profilierungen versehen. Im dargestellten Ausführungsbeispiel
sind an einer Längsseitenwand der inneren Hohlprofilschiene
12 drei Einziehungen 19 vorgesehen, die Führungsnuten
für Stege 20 bilden, die an der Innenseite der zugeordneten
Längsseitenwand der äußeren Hohlprofilschiene 11 lagegerecht
angesetzt sind. Ferner zeigt die Figur 3, daß bei dem rechteckförmigen
Querschnitt sowohl die äußere Hohlprofilschiene 11 als
auch die innere Hohlprofilschiene 12 mit verstärkten Schmalseitenwänden
ausgeführt werden kann. In die Schmalseitenwände sind
in Längsrichtung verlaufende Einschraubnuten 21 angeordnet, um
beispielsweise an der ausfahrbaren Hohlprofilschiene das Anschlußteil
18 zu befestigen. Die Nuten sind im Querschnitt
kreisförmig, jedoch an den einander zugewandten, inneren Seiten
offen. In der Figur 3 ist auch noch dargestellt, daß an der dem
elektromotorischen Antrieb zugeordneten unteren Stirnseite
ebenfalls ein Anschlußteil 22 festgelegt werden kann. Durch das
Bezugszeichen 23 ist ein mit einem Stecker ausgerüstetes Anschlußkabel
bezeichnet.Figure 2 shows that in the arcuate long side area
the outer
In den Figuren 4 und 5 ist angedeutet, daß das Flachhubelement
10 auf einem aus einem Rechteckprofil gebildeten Holm 24 eines
nicht dargestellten Möbels aufgestellt ist. Bei der Ausführung
nach der Figur 4 liegt der elektromotorische Antrieb 13 innerhalb
der äußeren Hohlprofilschiene 11, während er bei der Ausführung
nach der Figur 5 in dem Holm 24 liegt. Bei der Ausführung
nach der Figur 4 wird auch die innere Hohlprofilschiene 12
gegenüber der äußeren Hohlprofilschiene 11 verfahren. Aus Gründen
der vereinfachten Darstellung ist die Gewindespindel 14
nicht dargestellt. Durch diese Ausführung soll gezeigt werden,
daß in wenigstens einer Längsseitenwand der äußeren Hohlprofilschiene
12 sich in Längsrichtung beziehungsweise in Bewegungsrichtung
der inneren Hohlprofilschiene 12 erstreckende
Langlöcher 25 vorgesehen sind. Dadurch können an der verfahrbaren
inneren Hohlprofilschiene 12 Bauteile befestigt werden, die
dann der Bewegung der inneren Hohlprofilschiene 12 folgen.In Figures 4 and 5 it is indicated that the
In der Figur 5 ist ein Ausführungsbeispiel dargestellt, bei dem
die äußere Hohlprofilschiene 11 über die innere Hohlprofilschiene
12 gestülpt ist. Damit die äußere Hohlprofilschiene 11
durch die Gewindespindel 14 verfahren werden kann, ist im inneren
der Hohlprofilschiene 11 ein sich in Längsrichtung erstreckendes
Profilstück 26 in Form eines Vierkantrohres fest
eingesetzt. Das Profilstück 26 ist etwas kürzer als die Hohlprofilschiene
11. Das dem elektromotorischen Antrieb 13 zugeordnete
Stirnende steht in einem Abstand zum zugeordneten Ende
der Hohlprofilschiene 11. Das Profilstück 26 ist mit der klotzartigen
Mutter 15 fest verbunden. Durch Drehung der Gewindespindel
14 verschiebt sich die äußere Hohlprofilschiene 11 gegenüber
der inneren Hohlprofilschiene 12. Es sei noch erwähnt,
daß die Hohlprofilschienen 11, 12 bei den Ausführungsbeispielen
gemäß den Figuren 1, 4 und 5 entsprechend der Ausführung nach
der Figur 3 mit Profilierungen versehen sein können. Die beiden
Endstellungen der verfahrbaren Hohlprofilschienen 11 bzw. 12
werden durch nicht dargestellte Endschalter vorgegeben. Diese
Endschalter können an einer Lochschiene festgelegt werden, so
daß sie in einfacher Weise in eine andere Position gebracht
werden können, wenn beispielsweise der maximale Hub der zu verstellenden
Hohlprofilschiene 11 bzw. 12 nicht ausgenutzt werden
soll.5 shows an embodiment in which
the outer
Claims (14)
- A flat lifting element, in particular for articles of furniture, comprising an outer and an inner hollow profile bar (11, 12) of closed cross-sections and each of greater width than thickness and comprising an electric-motor adjusting drive (13) characterised in that the linearly movable output member (15) of the adjusting drive (13) is directly coupled to the outer or inner hollow profile bar (11, 12), that the inner and the outer hollow profile bars (11, 12) are substantially smooth-surfaced and of similar cross-section, and that the outer hollow profile bar (11) embraces the inner hollow profile bar (12) substantially over the full surface area thereof.
- A flat lifting element according to claim 1 characterised in that the mutually oppositely disposed outer longitudinal side regions of the two hollow profile bars (11, 12) extend in an arc, preferably a semicircle.
- A flat lifting element according to claim 2 characterised in that the longitudinal side regions are formed by tubes of circular cross-section which are connected together by flat portions.
- A flat lifting element according to claim 3 characterised in that the mutually facing surfaces of the inner and outer hollow profile bars (11, 12) are provided with interengaging profile portions which extend in the direction of movement of the extensible hollow profile bar (11) or (12) and which are formed from groove-like recesses (19) provided at least at one wide side of the inner hollow profile bar (12) and flange portions (20) which engage into the recesses (19) and which are disposed on the facing inward side of the outer hollow profile bar (11).
- A flat lifting element according to one or more of preceding claims 1 or 4 characterised in that the cross-sections of the outer and inner hollow profile bars (11, 12) are rectangular, that the thicknesses of the narrow sides are greater than those of the wide sides, and that at least one screw-in groove (21) which is open at one side and which is of circular cross-section is disposed in each narrow side.
- A flat lifting element according to one or more of preceding claims 1 to 5 characterised in that the widths to the thicknesses of the two hollow profile bars (11, 12) are in a ratio of about 5:1.
- A flat lifting element according to claim 1 characterised in that provided on the inside in the outer hollow profile bar (11) are grooves which extend in the longitudinal direction and into which are fixedly inserted guide bar portions (17) whose surfaces that contact the outside surface of the inner hollow profile bar (12) project with respect to the inside surface of the outer hollow profile bar (11).
- A flat lifting element according to claim 1 characterised in that provided on the outside in the inner hollow profile bar (12) are grooves which extend in the longitudinal direction and into which are fixedly inserted guide bar portions (17) whose surfaces that contact the inside surface of the outer hollow profile bar (11) project relative to the outside surface of the inner hollow profile bar (12).
- A flat lifting element according to claim 7 or claim 8 characterised in that the guide bar portions (17) are provided in the two mutually oppositely disposed outer longitudinal side regions.
- A flat lifting element according to claim 1 in which the inner hollow profile bar (12) is coupled to the output member (15) of the electric-motor drive (13), characterised in that provided in at least one wall of the outer hollow profile bar (11) is at least one slot (25) extending in the direction of movement of the inner hollow profile bar (12).
- A flat lifting element according to one or more of preceding claims 1 to 10 characterised in that the outer hollow profile bar (11) and the inner hollow profile bar (12) comprise a light metal, preferably aluminium, and the guide bars (17) comprise a plastics material.
- A flat lifting element according to one or more of preceding claims 1 to 11 characterised in that the electric-motor adjusting drive (13) includes a rotatingly drivable screwthreaded spindle (14) and that the output member is a nut (15) which is fixed to the outer or inner hollow profile bar (11, 12).
- A flat lifting element according to one or more of preceding claims 1 to 12 characterised in that the outside surface of the inner hollow profile bar (12) and the inside surface of the outer hollow profile bar (11) are each entirely or partially provided with a friction-reducing coating.
- A flat lifting element according to one or more of preceding claims 1 to 13 characterised in that the screwthreaded spindle (14) of the electric-motor drive (13) is drivingly connected to the motor transmission unit (16) or the drive motor by way of a flexible drive means, preferably by way of a flexible shaft.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9318553U | 1993-12-06 | ||
DE9318553U DE9318553U1 (en) | 1993-12-06 | 1993-12-06 | Flat lifting element |
DE9415930U DE9415930U1 (en) | 1993-12-06 | 1994-10-04 | Flat lifting element |
DE9415930U | 1994-10-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0657123A1 EP0657123A1 (en) | 1995-06-14 |
EP0657123B1 true EP0657123B1 (en) | 1998-03-04 |
Family
ID=25961482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94116546A Expired - Lifetime EP0657123B1 (en) | 1993-12-06 | 1994-10-20 | Flat-type lifting element |
Country Status (8)
Country | Link |
---|---|
US (1) | US5626328A (en) |
EP (1) | EP0657123B1 (en) |
JP (1) | JPH07308226A (en) |
AT (1) | ATE163511T1 (en) |
CA (1) | CA2137317A1 (en) |
DE (3) | DE9318553U1 (en) |
DK (1) | DK0657123T3 (en) |
ES (1) | ES2113028T3 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29519456U1 (en) * | 1995-12-08 | 1996-03-07 | Littec G. Litterst GmbH Technische Vertretungen, 79576 Weil am Rhein | Lifting column |
DE29608180U1 (en) * | 1996-05-06 | 1996-07-25 | Dewert Antriebs- und Systemtechnik GmbH & Co KG, 32278 Kirchlengern | Electromotive furniture drive |
DE29702545U1 (en) * | 1997-02-14 | 1997-03-27 | RK Rose + Krieger GmbH & Co. KG Verbindungs- und Positioniersysteme, 32423 Minden | Worktable |
DE29923059U1 (en) * | 1999-11-11 | 2000-05-25 | Dewert Antriebs Systemtech | Electromotive adjustment arrangement |
KR100490917B1 (en) * | 2002-11-29 | 2005-05-19 | 이방수 | hand dryer |
KR100806540B1 (en) * | 2007-02-09 | 2008-02-25 | 코리아판서시스템(주) | A hight and low control type stand for multimedia lecture table |
DE102009015690A1 (en) | 2009-03-31 | 2010-10-07 | Logicdata Electronic & Software Entwicklungs Gmbh | Linear drive and table with linear drive |
JP1559697S (en) * | 2015-10-19 | 2016-09-26 | ||
USD815477S1 (en) * | 2016-06-27 | 2018-04-17 | Unifor S.P.A. | Height adjustable table leg |
US10334948B2 (en) * | 2017-05-14 | 2019-07-02 | Loctek Inc. | Electric shelf |
CN106974446A (en) * | 2017-05-14 | 2017-07-25 | 乐歌人体工学科技股份有限公司 | Electronic rack |
US10758039B2 (en) * | 2018-06-11 | 2020-09-01 | Workrite Ergonomics, Inc. | Platform with adjustable height |
DE202018103610U1 (en) * | 2018-06-26 | 2019-09-27 | Grass Gmbh | Linear actuator, furniture part or household appliance part and furniture or household appliance |
KR102072766B1 (en) * | 2018-07-20 | 2020-02-03 | 오승훈 | Screw jack |
CN109008346B (en) * | 2018-07-31 | 2020-08-11 | 宜兴慕森智能家居有限公司 | Furniture base |
JP7326665B2 (en) * | 2019-10-29 | 2023-08-16 | 株式会社イトーキ | Partition device and furniture |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2368748A (en) * | 1943-02-19 | 1945-02-06 | Hard Mfg Company | Over-bed table |
US2683341A (en) * | 1952-10-22 | 1954-07-13 | Joseph W Kock | Lathe grinder |
US3022043A (en) * | 1960-09-16 | 1962-02-20 | Dewey S Weiss | Quick action jack |
US3210846A (en) * | 1962-01-26 | 1965-10-12 | Burton E Balkin | Dental table |
US3537762A (en) * | 1967-05-26 | 1970-11-03 | Alois Lodige | Guide system with precision adjustment for telescopic components |
CH546551A (en) * | 1972-01-11 | 1974-03-15 | Zollinger Hansrudolf | TABLE. |
US4206910A (en) * | 1978-06-28 | 1980-06-10 | Biesemeyer William M | Table saw fence system |
JPS5833162A (en) * | 1981-08-21 | 1983-02-26 | Eiken Kagaku Kk | Oestriol-16alpha-glucuronide assaying antigen and preparation thereof |
JPS61291217A (en) * | 1985-06-18 | 1986-12-22 | Nissan Motor Co Ltd | Evaporated-fuel effluence preventing apparatus for fuel tank for vehicle |
US5064318A (en) * | 1988-02-19 | 1991-11-12 | Excellon Automation | Precision guidance apparatus |
GB8808279D0 (en) * | 1988-04-08 | 1988-05-11 | Lk Tool Co Ltd | Linear guiding apparatus |
JPH0710095Y2 (en) * | 1990-06-29 | 1995-03-08 | 日本トムソン株式会社 | Anti-vibration linear motion rolling guide unit |
DE4106610A1 (en) * | 1991-03-01 | 1992-09-03 | Waibel Walter | HEIGHT-ADJUSTABLE TABLE WITH A LINEAR OR STRAIGHT GUIDE |
DE9200450U1 (en) * | 1992-01-16 | 1992-03-26 | Waibel, Walter, 8312 Dingolfing | Base frame for a desk, laboratory or work table |
DE9203584U1 (en) * | 1992-03-17 | 1992-05-07 | Waibel, Walter, 8312 Dingolfing | Adjustment device for a height-adjustable table |
US5365862A (en) * | 1992-12-09 | 1994-11-22 | Joerns Healthcare Inc. | Table height adjusting mechanism |
-
1993
- 1993-12-06 DE DE9318553U patent/DE9318553U1/en not_active Expired - Lifetime
-
1994
- 1994-10-04 DE DE9415930U patent/DE9415930U1/en not_active Expired - Lifetime
- 1994-10-20 DK DK94116546T patent/DK0657123T3/en active
- 1994-10-20 ES ES94116546T patent/ES2113028T3/en not_active Expired - Lifetime
- 1994-10-20 AT AT94116546T patent/ATE163511T1/en not_active IP Right Cessation
- 1994-10-20 DE DE59405375T patent/DE59405375D1/en not_active Expired - Lifetime
- 1994-10-20 EP EP94116546A patent/EP0657123B1/en not_active Expired - Lifetime
- 1994-11-07 JP JP6272577A patent/JPH07308226A/en active Pending
- 1994-11-30 US US08/346,768 patent/US5626328A/en not_active Expired - Lifetime
- 1994-12-05 CA CA002137317A patent/CA2137317A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DK0657123T3 (en) | 1998-09-28 |
ATE163511T1 (en) | 1998-03-15 |
CA2137317A1 (en) | 1995-06-07 |
DE59405375D1 (en) | 1998-04-09 |
ES2113028T3 (en) | 1998-04-16 |
US5626328A (en) | 1997-05-06 |
DE9415930U1 (en) | 1995-01-19 |
EP0657123A1 (en) | 1995-06-14 |
JPH07308226A (en) | 1995-11-28 |
DE9318553U1 (en) | 1994-02-03 |
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