DE20113940U1 - Electromotive furniture drive - Google Patents

Electromotive furniture drive

Info

Publication number
DE20113940U1
DE20113940U1 DE20113940U DE20113940U DE20113940U1 DE 20113940 U1 DE20113940 U1 DE 20113940U1 DE 20113940 U DE20113940 U DE 20113940U DE 20113940 U DE20113940 U DE 20113940U DE 20113940 U1 DE20113940 U1 DE 20113940U1
Authority
DE
Germany
Prior art keywords
electromotive furniture
furniture drive
thread
drive according
spindle nut
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
Application number
DE20113940U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dewert Antriebs und Systemtechnik GmbH and Co KG
Original Assignee
Dewert Antriebs und Systemtechnik GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dewert Antriebs und Systemtechnik GmbH and Co KG filed Critical Dewert Antriebs und Systemtechnik GmbH and Co KG
Priority to DE20113940U priority Critical patent/DE20113940U1/en
Publication of DE20113940U1 publication Critical patent/DE20113940U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • F16H25/2472—Safety nuts
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (9)

1. Elektromotorischer Möbelantrieb mit einer rotierend antreibbaren Spindel und einer darauf aufgesetzten, gegen Drehung gesicherten, in Längsrichtung der Spindel verfahrbaren und aus einem nicht metallischen Werkstoff gefertigte Spindelmutter, wobei der Antriebszug mit wenigstens einem Verstärkungsein­ satz aus einem gegenüber dem nicht metallischen Werkstoff höher belastbaren Material ausgestattet ist, dadurch gekennzeichnet, dass die Spindelmutter (10) mit wenigstens einem Verstärkungseinsatz (11) ausgestattet ist, welcher sich in radialer Richtung zumindest über die Gewindetiefe eines Gewindeganges und in axialer Richtung wenigstens über einen bestimmten Anteil der Steigung die­ ses Gewindeganges erstreckt.1. Electromotive furniture drive with a rotatably drivable spindle and an attached, secured against rotation, movable in the longitudinal direction of the spindle and made of a non-metallic material, the drive train with at least one reinforcing insert made of a material that is more resilient than the non-metallic material , characterized in that the spindle nut ( 10 ) is equipped with at least one reinforcing insert ( 11 ) which extends in the radial direction at least over the thread depth of a thread and in the axial direction over at least a certain proportion of the pitch of this thread. 2. Elektromotorischer Möbelantrieb nach Anspruch 1, dadurch gekennzeichnet, dass die Spindelmutter (10) über den Umfang mit ein- oder mehreren vorzugs­ weise im gleichen Winkelabstand zueinander stehenden Verstärkungseinsätzen (11) bestückt ist.2. Electromotive furniture drive according to claim 1, characterized in that the spindle nut ( 10 ) is equipped over the circumference with one or more preference, at the same angular distance from each other reinforcing inserts ( 11 ). 3. Elektromotorischer Möbelantrieb nach Anspruch 2, dadurch gekennzeichnet, dass jeder Verstärkungseinsatz (11) ein Flachteil ist, welches sich über minde­ stens einen Gewindegang, vorzugsweise über mehrere Gewindegänge erstreckt.3. Electromotive furniture drive according to claim 2, characterized in that each reinforcing insert ( 11 ) is a flat part which extends over at least one thread, preferably over a plurality of threads. 4. Elektromotorischer Möbelantrieb nach Anspruch 2 oder 3, dadurch gekenn­ zeichnet, dass zumindest ein Verstärkungseinsatz (11) sich in radialer Richtung über die Außenfläche der Spindelmutter (10) derart erstreckt, dass damit Schaltelemente von Endschaltern betätigbar sind.4. Electromotive furniture drive according to claim 2 or 3, characterized in that at least one reinforcing insert ( 11 ) extends in the radial direction over the outer surface of the spindle nut ( 10 ) such that switching elements of limit switches can be actuated. 5. Elektromotorischer Möbelantrieb nach Anspruch 1 oder 2, dadurch gekenn­ zeichnet, dass jeder Verstärkungseinsatz entsprechend der Kontur eines Teilstückes eines Gewindeganges oder der Kontur von einem Gewindegang oder von mehreren Gewindegängen gestaltet ist.5. Electromotive furniture drive according to claim 1 or 2, characterized records that each reinforcement insert corresponds to the contour of a section  a thread or the contour of a thread or is designed by several threads. 6. Elektromotorischer Möbelantrieb nach einem oder mehreren der vorhergehen­ den Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Verstärkungseinsät­ ze (11) zumindest im Bereich des Gewindeganges bzw. der Gewindegänge der Spindelmutter (10) derart gestaltet sind, dass sie von einem Film aus dem Werkstoff der Spindelmutter, beispielsweise dem Kunststoff umgeben sind.6. Electromotive furniture drive according to one or more of the preceding claims 1 to 5, characterized in that the reinforcing inserts ze ( 11 ) at least in the region of the thread or threads of the spindle nut ( 10 ) are designed such that they are made from a film the material of the spindle nut, for example the plastic. 7. Elektromotorischer Möbelantrieb nach einem oder mehreren der vorhergehen­ den Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der dem Getriebe bzw. dem Antriebsmotor zugewandte Endbereich der Spindel (12) über einen minde­ stens der Länge des verstärkten Bereichs der Spindelmutter (10) entsprechenden Bereich gewindefrei ist.7. Electromotive furniture drive according to one or more of the preceding claims 1 to 6, characterized in that the gear or the drive motor facing end region of the spindle ( 12 ) over a at least the length of the reinforced region of the spindle nut ( 10 ) corresponding area is thread free. 8. Elektromotorischer Möbelantrieb nach einem oder mehreren der vorhergehen­ den Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Verstärkungseinsät­ ze (11) aus Stahl, einem Sintermetall, einem Nichteisenmetall bestehen.8. Electromotive furniture drive according to one or more of the preceding claims 1 to 7, characterized in that the reinforcing inserts ze ( 11 ) consist of steel, a sintered metal, a non-ferrous metal. 9. Elektromotorischer Möbelantrieb nach einem oder mehreren der vorhergehen­ den Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Spindelmutter (10) im 2-Komponenten-Spritzgußverfahren hergestellt ist, und dass jeder Verstär­ kungseinsatz (11) aus einem gegenüber dem angrenzenden Kunststoffmaterial höher belastbaren Kunststoff besteht.9. Electromotive furniture drive according to one or more of the preceding claims 1 to 7, characterized in that the spindle nut ( 10 ) is made in a two-component injection molding process, and that each reinforcing insert ( 11 ) made of a more resilient than the adjacent plastic material Plastic is made.
DE20113940U 2001-08-23 2001-08-23 Electromotive furniture drive Expired - Lifetime DE20113940U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20113940U DE20113940U1 (en) 2001-08-23 2001-08-23 Electromotive furniture drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20113940U DE20113940U1 (en) 2001-08-23 2001-08-23 Electromotive furniture drive

Publications (1)

Publication Number Publication Date
DE20113940U1 true DE20113940U1 (en) 2001-10-18

Family

ID=7960841

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20113940U Expired - Lifetime DE20113940U1 (en) 2001-08-23 2001-08-23 Electromotive furniture drive

Country Status (1)

Country Link
DE (1) DE20113940U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7819036B2 (en) 2003-02-13 2010-10-26 Dewert Antriebs- Und Systemtechnik Gmbh Electromotive linear drive
DE102010005975A1 (en) 2010-01-28 2011-08-18 Hymer-Leichtmetallbau GmbH & Co. KG, 88239 Setting spindle for guard cross beam, has spindle nut consisting of two mirror-symmetric nuts parts, and compound plane provided between mirror-symmetric nuts parts through metal pin that is engaged with turn thread of spindle body

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7819036B2 (en) 2003-02-13 2010-10-26 Dewert Antriebs- Und Systemtechnik Gmbh Electromotive linear drive
DE102010005975A1 (en) 2010-01-28 2011-08-18 Hymer-Leichtmetallbau GmbH & Co. KG, 88239 Setting spindle for guard cross beam, has spindle nut consisting of two mirror-symmetric nuts parts, and compound plane provided between mirror-symmetric nuts parts through metal pin that is engaged with turn thread of spindle body
DE102010005975B4 (en) 2010-01-28 2018-12-13 Hymer-Leichtmetallbau Gmbh & Co. Kg Setting spindle for the ladder of a ladder

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20011122

R021 Search request validly filed

Effective date: 20011112

R163 Identified publications notified

Effective date: 20011219

R150 Term of protection extended to 6 years

Effective date: 20041108

R157 Lapse of ip right after 6 years

Effective date: 20080301