EP0016878A2 - Dispositif de réglage d'une partie relevable d'un châlit - Google Patents

Dispositif de réglage d'une partie relevable d'un châlit Download PDF

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Publication number
EP0016878A2
EP0016878A2 EP79200658A EP79200658A EP0016878A2 EP 0016878 A2 EP0016878 A2 EP 0016878A2 EP 79200658 A EP79200658 A EP 79200658A EP 79200658 A EP79200658 A EP 79200658A EP 0016878 A2 EP0016878 A2 EP 0016878A2
Authority
EP
European Patent Office
Prior art keywords
detent
guide rail
detent lever
bed frame
support arm
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.)
Granted
Application number
EP79200658A
Other languages
German (de)
English (en)
Other versions
EP0016878A3 (en
EP0016878B1 (fr
Inventor
Kurt Elfering
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.)
Robert Kahl Rokado
Original Assignee
Robert Kahl Rokado
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 Robert Kahl Rokado filed Critical Robert Kahl Rokado
Priority to AT79200658T priority Critical patent/ATE1128T1/de
Publication of EP0016878A2 publication Critical patent/EP0016878A2/fr
Publication of EP0016878A3 publication Critical patent/EP0016878A3/de
Application granted granted Critical
Publication of EP0016878B1 publication Critical patent/EP0016878B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • A47C20/043—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by means of peg-and-notch or pawl-and-ratchet mechanism
    • A47C20/045—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by means of peg-and-notch or pawl-and-ratchet mechanism urged into an operative or non-operative position at an end of stretch

Definitions

  • the detent lever is clamped by means of a clamping means arranged on the inner support arm part and end position stops arranged on the guide rail in the maximally extended position of the inner support arm part and during its insertion movement in a non-detenting position, which requires that the device must first be pulled out to the maximum before it can be inserted.
  • this requires a corresponding pivoting of the bed frame part in question into the highest pivoting position and consequently, particularly in the case of a person in bed, for example a patient, a cumbersome or cumbersome handling, especially if a one-piece mattress rests on the bed frame .
  • the object of the invention is to design a device of the type concerned in such a way that Overall, further simplified and functionally reliable training can be immediately brought into the fully collapsed position from each once extended or latched position, ie without having to first pass through the fully extended position.
  • this object is achieved according to the invention in that the catch receptacles are angular and herringbone-like one behind the other on a vertical inner wall of the guide rail and a deflection element is arranged in front of the first catch receptacle accessible from the catch of the catch lever after passing the detent lever during the insertion movement of the device, this feeds the detent receptacles again with a renewed pull-out movement.
  • the detent of the detent lever immediately falls out of the detent corner of the Jewe ls with the detent lever cooperating detent receiving under gravity from the detent receiving area as soon as the bed frame part in question is raised only slightly, so that the relevant pivotable bed frame part by itself under Gravity can fall into the horizontal position when the telescopic device is completely pushed together, with the catch of the Detent lever passes the deflecting element in such a way that the next time the bed frame part is pivoted up, the detent of the detent lever runs above the deflecting element and can engage any angular detent holder, depending on the desired pivoting position of the pivotable bed frame part.
  • the two-dimensional movability of the catch element basically makes this device unsuitable for absorbing such high forces as are required for adjusting bed frame parts, a considerable width additionally being required because of the two-dimensional movability of the catch element, which, however, is suitable for use between pivotable bed frame parts and Bed frame side parts should be kept as low as possible.
  • an exact actuation sequence must be observed, ie before the insertion movement from one Once the locking position has been taken, a precisely metered pull-out movement must take place, since if this pull-out movement takes place a little too long, it is then not possible to completely push it together, but instead a new locking occurs.
  • guide cams are required in each case in the known device between the individual catch receptacles, as a result of which the catch spacing and thus the fineness of the adjustment possibility is limited.
  • the detent lever can interact with the angular detent receptacles with a detent angled by 90 °.
  • the deflecting element can be designed as a leaf spring that extends inclined from the first catch receptacle to the lower edge of the vertical inner wall of the guide rail, such that the leaf spring resiliently dodges the device in the final phase of the gearing together of the device and when it is renewed Pull-out movement the locking lug along the inclined leaf spring is fed again to the locking receptacles.
  • stops for limiting the pull-out movement at the rear end of the guide rail, which cooperates with the detent lever in the direction of extraction
  • a further advantageous embodiment is obtained when the detent lever is attached to the support arm part carrying it means of a loose bearing eye connection is arranged in an articulated manner and is secured against falling off sideways by means of a stop bar provided on the guide rail, since this design ensures a function largely independent of precise manufacturing tolerances and results in simple contracts.
  • an otherwise completely identical device can be used for the last-mentioned purpose.
  • a support arm designated overall by 1 essentially consists of an outer support arm part formed by a C-shaped guide rail 2, in which an inner, essentially U-shaped support arm part 3 is telescopically displaceable.
  • an opening 4 is formed, by means of which the guide rail on a movable head bed frame part 5 (see FIG. 5) and a further opening 6 is formed at the opposite end of the support arm part 3, by means of which this support arm part 3 is articulated to a bed frame side part 7 (see FIG. 5).
  • a number of angular detent receptacles 8 are arranged, with which a detent 9 angled by 90 ° interacts at the free end of a detent lever 10 in the manner described in more detail below.
  • the detent lever 10 is pivotally mounted by means of a circular end 11 in a bearing eye 12 fastened to the support arm part 3.
  • the detent receptacles 8 and the detent lever 10 are arranged in parallel planes spaced apart from one another in such a way that the two parts can slide past each other, but the detent 9 can enter between the angular detent receptacles 8.
  • a deflection element 13 which is designed as a leaf spring and is attached in an inclined position to the first angular catch receptacle 8 and extends to the lower edge of the guide rail 8. Furthermore, a deflection bar 14 is attached to the guide rail, which The task is to hold the detent lever 10 in place during the entire displacement of the support arm part 3 carrying it relative to the guide rail 2, ie to prevent the detent lever 10 from falling out of the eye 12 laterally.
  • the parts 8, 14, 15 and 16 have a common base plate 8b in one piece, e.g. be made from a high-strength plastic by injection molding, such that only this base plate needs to be attached to the guide rail 2.
  • the parts 8, 14, 15 and 16 could also be pressed out of the web of a guide rail formed from sheet steel by cold working.
  • the mode of operation of the device is as follows: from the maximum insertion position of the device shown in FIG. 1, that is to say when the adjustable bed frame part 5 lies flat, the latching lug 9 of the detent lever 10 can slide freely along the leaf spring 13 when the bed frame part 5 is raised and from there into a loading The upper gap between the two adjacent angular catch receptacles S entered and engage in a catch eye of the catch receptacle in question, as is shown in FIG. 2 by the dashed positions of the catch.
  • a single catch receptacle 8a with leaf spring 13a is arranged only on the guide rail 2.
  • the purpose of this only slightly modified embodiment is to provide a support arm 1a, which has been designed in this way, between the and one the whole and that this bed frame part 17 num in one maximum raised position can be sunk in order to allow access to a bed box located under this bed frame part and thereby avoid the risk that someone in a lower pivot position sits on the bed frame part in question, which in the long, caused by the bed frame part 17, lever ratios would lead to impermissibly high loads.
  • the advantage associated with this is that one and the same fitting can only be used for another purpose while leaving out the front catches, which is of course very cheap in terms of production and storage.
  • the detent lever 10 could also be pivoted through 180 ° on the inner support arm part 3 in such a way that the detent lever would then not be under tension, but under pressure. Like. more.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Load-Bearing And Curtain Walls (AREA)
EP79200658A 1979-04-10 1979-11-09 Dispositif de réglage d'une partie relevable d'un châlit Expired EP0016878B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79200658T ATE1128T1 (de) 1979-04-10 1979-11-09 Vorrichtung zum verstellen eines schwenkbaren bettrahmenteils.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2914373A DE2914373C2 (de) 1979-04-10 1979-04-10 Vorrichtung zum Verstellen eines schwenkbaren Bettrahmenteils
DE2914373 1979-04-10

Publications (3)

Publication Number Publication Date
EP0016878A2 true EP0016878A2 (fr) 1980-10-15
EP0016878A3 EP0016878A3 (en) 1980-11-26
EP0016878B1 EP0016878B1 (fr) 1982-06-02

Family

ID=6067908

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79200658A Expired EP0016878B1 (fr) 1979-04-10 1979-11-09 Dispositif de réglage d'une partie relevable d'un châlit

Country Status (3)

Country Link
EP (1) EP0016878B1 (fr)
AT (1) ATE1128T1 (fr)
DE (2) DE2914373C2 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2242041A (en) * 1937-02-03 1941-05-13 Nat Lock Co Supporting bracket
US2264382A (en) * 1937-06-30 1941-12-02 Motor State Products Company Self-locking check arm
DE2053304A1 (de) * 1969-11-05 1971-05-13 Bleicher, Rene, Lyon, Rhone (Frank reich) Zahnstangen Stellmechanismus, insbe sondere fur Sitz und Liegemöbel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2242041A (en) * 1937-02-03 1941-05-13 Nat Lock Co Supporting bracket
US2264382A (en) * 1937-06-30 1941-12-02 Motor State Products Company Self-locking check arm
DE2053304A1 (de) * 1969-11-05 1971-05-13 Bleicher, Rene, Lyon, Rhone (Frank reich) Zahnstangen Stellmechanismus, insbe sondere fur Sitz und Liegemöbel

Also Published As

Publication number Publication date
DE2963031D1 (en) 1982-07-22
DE2914373B1 (de) 1980-06-19
ATE1128T1 (de) 1982-06-15
EP0016878A3 (en) 1980-11-26
EP0016878B1 (fr) 1982-06-02
DE2914373C2 (de) 1981-05-21

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