EP0079998A1 - Cadre pour meuble d'assise et de couchage - Google Patents

Cadre pour meuble d'assise et de couchage Download PDF

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Publication number
EP0079998A1
EP0079998A1 EP81810465A EP81810465A EP0079998A1 EP 0079998 A1 EP0079998 A1 EP 0079998A1 EP 81810465 A EP81810465 A EP 81810465A EP 81810465 A EP81810465 A EP 81810465A EP 0079998 A1 EP0079998 A1 EP 0079998A1
Authority
EP
European Patent Office
Prior art keywords
head part
foot
lever system
frame
drive
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.)
Withdrawn
Application number
EP81810465A
Other languages
German (de)
English (en)
Inventor
Rudolf Carld
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.)
Lanz Industrie Technik AG
Original Assignee
Lanz Industrie Technik AG
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 Lanz Industrie Technik AG filed Critical Lanz Industrie Technik AG
Priority to EP81810465A priority Critical patent/EP0079998A1/fr
Publication of EP0079998A1 publication Critical patent/EP0079998A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • A47C20/08—Head -, foot -, or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously
    • 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
    • A61G2203/00—General characteristics of devices
    • A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
    • A61G2203/72—General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention

Definitions

  • the invention relates to an insert frame for seating and reclining furniture, in particular for old age and disability beds, with a continuously adjustable, electromechanically driven foot and head part.
  • insert frames which allow the movable foot and / or head part to be raised and lowered electromechanically or electrohydraulically by simply actuating one or more switches.
  • Such insertion frames can be seen, for example, from the patents CH-587035, CH-591834 and DE-2031471.
  • drive structures for lifting and lowering the foot or head parts are known from CH patent 569454 and DE laid-open document 2622783.
  • insert frames should offer a high degree of safety for the user.
  • people with disabilities due to age or disability should sit and lie down without any risk can handle and use.
  • Two safety precautions are particularly important in this context: First, it is mechanical protection. Pinching limbs, e.g. the hands, when adjusting the foot or head part by the electromechanical drive is not prevented in the known constructions or only by means of correspondingly complex arrangements. Second, it is electrical protection. Known electric drives for adjusting the foot or head parts still work with 220 VAC mains voltage.
  • the object of the present invention is to provide the user of the seating and reclining furniture with the best possible electrical and mechanical protection.
  • the advantages achieved by the invention are essentially to be seen in the fact that there is no rigid connection between the base frame and the adjustable foot and head part, which makes it impossible to clamp limbs by the electric drive.
  • the double lever system according to the invention one for the foot and one for the head, compensates for the movement of the drive spindle if the hand gets caught when the head is lowered.
  • the clamping force; which acts on the hand is only from the body weight, which resting on the headboard, determined.
  • the power of the drive spindle which acts on the lever system of the head section in the event of an accident-free lowering, is destroyed by the double lever system.
  • the electric motors are driven and the foot and head sections are controlled with low voltage.
  • the insert frame therefore does not require a type test by the responsible institutions.
  • Another advantage is the use of ball screw drives with free-wheeling on both sides, which eliminates the need for limit switches for the corresponding sitting and lying positions.
  • the arrangement of the spindle drives under the head part brings another space-taking advantage. This way, for example, a bedding box can be attached under the foot of the frame.
  • the base frame (Fig. 1) consists of two parallel longitudinal frames 1, which are connected by two cross members 12 and a cross member for the drive suspension 11.
  • the foot part 2 and the head part 3 are installed in this base frame.
  • the individual frame elements of the foot or head part are with plastic joints e.g. 20 or 30 held together.
  • the foot and head parts are raised and lowered via a torsion tube 21 and 31, respectively.
  • An actuating lever 22 is rigidly connected to the torsion tube for the foot part 21. When the foot part 2 is raised and lowered, the free end of the actuating lever 22 slides along the frame element 23.
  • the free end of the actuating lever can be designed as a roller.
  • a toggle lever 32 is connected to the torsion tube for the head part 31.
  • a manually operable head and neck support 39 is also installed.
  • the electric drives 13 and 14 are mounted on the cross-beam 11, which on the one hand for the foot part 2 and on the other hand, are connected for the head part 3.
  • the drive spindle works under pressure when the foot section is lifted. When the head section is lifted, the drive spindle works on tension.
  • FIG. 3 shows the double lever system according to the invention, as it is designed as an embodiment of the head part 3.
  • the pivot lever 34 is rigidly connected to the torsion tube 31.
  • the double lever is composed of the pivot lever 34 and the driver 33. Carrier and pivot lever are movably connected to one another by the hinge pin 35.
  • the driver is coupled to the electric drive via a further hinge pin 36 and a hinge bearing arm 37, which is adjustable in length with the drive spindle 38.
  • the driver 33 engages the swivel lever 34 and rotates the torsion tube 31 with the toggle lever 32 in the counterclockwise direction.
  • the swivel lever 34 follows the driver 33 instantaneously.
  • the driver 33 continues to the end position of the electric drive (see dash-dotted lines). In this way it is avoided that the electric drive exerts its tensile or compressive force on the pinched hand.
  • FIG. 2 shows the insert frame from the front.
  • the two electric drives 13 and 14 are arranged in the head part of the frame.
  • the electric drive has, for example, a 50 Hz AC electric motor with an operating voltage of 48 VAC. This electric motor is connected to a ball screw via a gear.
  • the Ku In the end positions, the gel screw is characterized by free running. This design feature of the electric drive makes the installation of limit switches unnecessary.
  • the control box 15 can also be accommodated in the head part of the frame. It contains the necessary means for generating low voltage and for controlling the foot and head sections.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)
EP81810465A 1981-11-20 1981-11-20 Cadre pour meuble d'assise et de couchage Withdrawn EP0079998A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP81810465A EP0079998A1 (fr) 1981-11-20 1981-11-20 Cadre pour meuble d'assise et de couchage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81810465A EP0079998A1 (fr) 1981-11-20 1981-11-20 Cadre pour meuble d'assise et de couchage

Publications (1)

Publication Number Publication Date
EP0079998A1 true EP0079998A1 (fr) 1983-06-01

Family

ID=8188682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81810465A Withdrawn EP0079998A1 (fr) 1981-11-20 1981-11-20 Cadre pour meuble d'assise et de couchage

Country Status (1)

Country Link
EP (1) EP0079998A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8705379U1 (de) * 1987-04-10 1987-06-04 Stanzwerk Wetter Sichelschmidt & Co, 5802 Wetter Verstelleinrichtung an einer Matratze mit höheneinstellbaren Kopfteilen
WO1989010715A1 (fr) * 1988-05-07 1989-11-16 Eckhart Dewert Agencement de reglage de grilles en lattes
FR2694171A1 (fr) * 1992-07-31 1994-02-04 Moraitis Stephane Kit de literie à sommier articulé.
US7318625B2 (en) * 2002-07-22 2008-01-15 Dewert Antriebs- Und Systemtechnik Gmbh & Co. Kg Reclining element
RU193658U1 (ru) * 2019-08-22 2019-11-11 Леонид Карлович Брижань Многофункциональная кровать

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1429271A1 (de) * 1963-01-14 1968-10-31 Borg Warner Einstellbares Bett

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1429271A1 (de) * 1963-01-14 1968-10-31 Borg Warner Einstellbares Bett

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8705379U1 (de) * 1987-04-10 1987-06-04 Stanzwerk Wetter Sichelschmidt & Co, 5802 Wetter Verstelleinrichtung an einer Matratze mit höheneinstellbaren Kopfteilen
WO1989010715A1 (fr) * 1988-05-07 1989-11-16 Eckhart Dewert Agencement de reglage de grilles en lattes
FR2694171A1 (fr) * 1992-07-31 1994-02-04 Moraitis Stephane Kit de literie à sommier articulé.
EP0642753A1 (fr) * 1992-07-31 1995-03-15 Stéphane Moraitis Kit de literie à sommier articulé
US7318625B2 (en) * 2002-07-22 2008-01-15 Dewert Antriebs- Und Systemtechnik Gmbh & Co. Kg Reclining element
RU193658U1 (ru) * 2019-08-22 2019-11-11 Леонид Карлович Брижань Многофункциональная кровать

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE CH DE FR LI NL

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19840509

RIN1 Information on inventor provided before grant (corrected)

Inventor name: CARLD, RUDOLF