DE29701890U1 - linear actuator - Google Patents

linear actuator

Info

Publication number
DE29701890U1
DE29701890U1 DE29701890U DE29701890U DE29701890U1 DE 29701890 U1 DE29701890 U1 DE 29701890U1 DE 29701890 U DE29701890 U DE 29701890U DE 29701890 U DE29701890 U DE 29701890U DE 29701890 U1 DE29701890 U1 DE 29701890U1
Authority
DE
Germany
Prior art keywords
linear actuator
actuator
linear
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
DE29701890U
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 DE29701890U priority Critical patent/DE29701890U1/en
Publication of DE29701890U1 publication Critical patent/DE29701890U1/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
    • 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
    • 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
    • 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
    • A61G7/005—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame tiltable around transverse horizontal axis, e.g. for Trendelenburg position
    • 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
    • F16H2025/204—Axial sliding means, i.e. for rotary support and axial guiding of nut or screw shaft
    • 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
    • F16H2025/2059—Superposing movement by two screws, e.g. with opposite thread direction
    • 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
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2081—Parallel arrangement of drive motor to screw axis

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
DE29701890U 1997-02-04 1997-02-04 linear actuator Expired - Lifetime DE29701890U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29701890U DE29701890U1 (en) 1997-02-04 1997-02-04 linear actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29701890U DE29701890U1 (en) 1997-02-04 1997-02-04 linear actuator

Publications (1)

Publication Number Publication Date
DE29701890U1 true DE29701890U1 (en) 1997-03-20

Family

ID=8035467

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29701890U Expired - Lifetime DE29701890U1 (en) 1997-02-04 1997-02-04 linear actuator

Country Status (1)

Country Link
DE (1) DE29701890U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1100183A2 (en) * 1999-11-11 2001-05-16 Dewert Antriebs- und Systemtechnik GmbH & Co. KG Electromotive actuating device
WO2011029500A1 (en) * 2009-08-06 2011-03-17 Neuhaus Hans-Juergen Drive device for sitting and reclining furniture
US11448295B2 (en) 2020-07-13 2022-09-20 Ewellix AB Linear actuator, housing for a linear actuator, actuation system and assembly method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1100183A2 (en) * 1999-11-11 2001-05-16 Dewert Antriebs- und Systemtechnik GmbH & Co. KG Electromotive actuating device
EP1100183A3 (en) * 1999-11-11 2003-07-02 Dewert Antriebs- und Systemtechnik GmbH & Co. KG Electromotive actuating device
WO2011029500A1 (en) * 2009-08-06 2011-03-17 Neuhaus Hans-Juergen Drive device for sitting and reclining furniture
US11448295B2 (en) 2020-07-13 2022-09-20 Ewellix AB Linear actuator, housing for a linear actuator, actuation system and assembly method

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19970430

R150 Term of protection extended to 6 years

Effective date: 20000405

R151 Term of protection extended to 8 years

Effective date: 20030327

R158 Lapse of ip right after 8 years

Effective date: 20050901