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EP0348605B1 - Dispositif pour pivoter une partie d'un sommier - Google Patents

Dispositif pour pivoter une partie d'un sommier Download PDF

Info

Publication number
EP0348605B1
EP0348605B1 EP89105694A EP89105694A EP0348605B1 EP 0348605 B1 EP0348605 B1 EP 0348605B1 EP 89105694 A EP89105694 A EP 89105694A EP 89105694 A EP89105694 A EP 89105694A EP 0348605 B1 EP0348605 B1 EP 0348605B1
Authority
EP
European Patent Office
Prior art keywords
fitting
fitting part
lever
shaft
notch
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
EP89105694A
Other languages
German (de)
English (en)
Other versions
EP0348605A1 (fr
Inventor
Robert Kahl
Hans Lantzsch
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.)
Rokado Metall-Holz-Kunststoff & Co KG GmbH
Original Assignee
Rokado Metall-Holz-Kunststoff & Co KG GmbH
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 Rokado Metall-Holz-Kunststoff & Co KG GmbH filed Critical Rokado Metall-Holz-Kunststoff & Co KG GmbH
Priority to AT89105694T priority Critical patent/ATE75926T1/de
Publication of EP0348605A1 publication Critical patent/EP0348605A1/fr
Application granted granted Critical
Publication of EP0348605B1 publication Critical patent/EP0348605B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Definitions

  • the invention relates to a device for adjusting a pivotable furniture part, in particular a bed frame part, with a first fitting part which has detents and with a detent lever cooperating therewith on a second fitting part, the first and the second fitting part being pivoted to one another, and with a device for returning the detent lever from an end position to the start position, at least the first fitting part being made of plastic.
  • Such a device is known from CH-A-533 970.
  • numerous metal fittings are known, such as those described in DE-A-23 30 442, DE-U-75 17 510, DE-A-20 53 304 or DE-C-33 46 382.
  • the basic principle of the detent lever return is to return it during the return movement above the detent track.
  • Other options have been proposed to return the detent lever to the side of the detent track, e.g. can be found in DE-A-27 31 229.
  • a disadvantage of the known solutions is, on the one hand, that, although they are made from sheet metal parts that are sometimes very simple, they are still comparatively expensive and secondly, when used as metal parts, develop noises that can be annoying.
  • the object of the invention is to provide a solution with which, on the one hand, the manufacturing costs are reduced and, on the other hand, a strong reduction in noise during use is achieved.
  • the detent lever is made of plastic
  • the first fitting part is essentially T-shaped in cross section, with the detents on the inner surface of the T-webs, and wherein the detent lever for engaging over the T-shaft of the first fitting part and for engaging its free ends in the notches of the first fitting part is at least partially U-shaped in cross section.
  • the invention it is possible to manufacture such devices completely from plastic, with the advantages associated with the material.
  • the selected cross-sectional shapes offer corresponding security.
  • the hardware parts can be manufactured inexpensively as plastic injection molded parts, noise during operation can be practically avoided.
  • the invention provides that the free ends of the detent lever are equipped with projections pointing towards the T-shaft.
  • projections serve on the one hand to enlarge the support of the detent lever, but on the other hand they can also be used, like the guide pins in some of the above-mentioned metal fittings, for guiding and guiding the detent lever during its engagement and return movement.
  • the invention also provides that guide and retaining webs for the projections are provided on the free ends of the detent lever on the T-shaft.
  • a particularly advantageous embodiment of the invention consists in the fact that the T-shaft widens in the area of the last adjustment catches for spreading out the U-legs of the detent lever and tapers suddenly at the end of the adjustment area to form a return path.
  • the invention also provides that the return path is provided on the T-shaft in a lower region of the web and, parallel to this, an upper guide bar for returning the detent lever.
  • these can be equipped with additional reinforcing ribs if this should be necessary according to the material properties of the plastic materials used.
  • the device generally designated 1
  • the first fitting part generally designated 2
  • the detent lever generally designated 3
  • the second fitting part is only hinted at by a double-dotted line 4, since its special design is not important here.
  • the structure of the first fitting part 2 is essentially as follows: It has a cross-section of an approximately T-shaped plastic element with a T-web 5 with a plurality of notches 6 and an upwardly pointing T-shaft 7, on which a lower shorter one on both sides Guide web 8 and an upper longer guide web 9 are integrally formed, as can be seen from the cross-sectional drawing of FIG. 2.
  • An outward-pointing reinforcement rib 10 is indicated by dashed lines.
  • the notch lever designated 3 is at least partially U-shaped, so that two U-webs 11 are formed, of which only one is shown in FIG. 2, with inward-pointing projections 12 at their free ends. These free ends lie one after the other in the notch recesses 6 until they reach the area of the last notch recess 6a and are driven apart by the widening T-shaft of the first fitting part which is enclosed between them. After driving over the step edge designated 13, the free ends 12 jump together again and act on the return path 14 formed from above in this way. If the second fitting part 4 is now lowered, the projections 12 run over the surface of the shorter return web 8, 1 to the left, and at the end of the return movement fall into the first notch recess, approximately in the manner as shown in FIG. 3. The upward deflection of the projections 12 is prevented by the upper guide web 9.
  • the described embodiment of the invention can be modified in many ways without departing from the basic idea. So the invention is particularly not on the cross-sectional design of the notches 6, the reinforcing ribs 10, the detent lever and. Like. Limited, other shapes can be provided here u. Like. more.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Special Chairs (AREA)
  • Mechanical Control Devices (AREA)

Claims (6)

1. Dispositif pour déplacer une partie de meuble pouvant pivoter, notamment une partie de sommier, comprenant une première armature (2) comportant des crans (6) et un levier d'arrêt (3) coopérant avec elle et monté sur une seconde armature (4), la première et la seconde armatures (2 ou 4) étant raccordées l'une à l'autre de façon rotative, et comprenant un dispositif pour ramener le levier d'arrêt (3) d'une position d'extrémité vers la position de départ, la première armature (2) au moins étant réalisée en matière plastique, caractérisé en ce que le levier d'arrêt (3) est réalisé en matière plastique, la première armature (2) étant constituée en coupe transversale sensiblement en forme de T, les crans (6) étant prévus sur la surface interne de la barre (5) du T, et le levier d'arrêt (3) étant constitué au moins en partie en section transversale en forme de U pour entourer la tige (7) du T de la première armature (2) et pour introduire ses extrémités libres dans les crans (6) de la première armature (2).
2. Dispositif selon la revendication 1, caractérisé en ce que les extrémités libres du levier d'arrêt (3) sont équipées de saillies (12) tournées vers la tige (7) du T.
3. Dispositif selon la revendication 2, caractérisé en ce que des nervures de guidage et de retenue (8. 9) destinées aux saillies (12) qui sont aux extrémités libres du levier d'arrêt (3) sont constituées sur la tige (7) du T.
4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la tige (7) du T dans la région des derniers crans de réglage (6a) a une forme qui va en s'élargissant pour écarter les branches du U du levier d'arrêt (2) et va brusquement en se réduisant à l'extrémité de la zone de réglage en formant une piste de guidage de retour (14).
5. Dispositif selon la revendication 4, caractérisé en ce que la piste de guidage de retour (14) de la tige (7) du T est prévue dans une région inférieure de la nervure (8) et que parallèlement à celle-ci est prévue une nervure de guidage supérieure (9) pour le guidage en retour du levier d'arrêt (3).
6. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la première armature (2) et/ou le premier levier (3) et/ou la seconde armature (4) sont équipés de nervures de renforcement additionnelles (10).
EP89105694A 1988-06-24 1989-03-31 Dispositif pour pivoter une partie d'un sommier Expired - Lifetime EP0348605B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89105694T ATE75926T1 (de) 1988-06-24 1989-03-31 Vorrichtung zum verschwenken eines bettrahmenteiles.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3821289 1988-06-24
DE3821289A DE3821289A1 (de) 1988-06-24 1988-06-24 Vorrichtung zum verschwenken eines bettrahmenteiles

Publications (2)

Publication Number Publication Date
EP0348605A1 EP0348605A1 (fr) 1990-01-03
EP0348605B1 true EP0348605B1 (fr) 1992-05-13

Family

ID=6357131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89105694A Expired - Lifetime EP0348605B1 (fr) 1988-06-24 1989-03-31 Dispositif pour pivoter une partie d'un sommier

Country Status (3)

Country Link
EP (1) EP0348605B1 (fr)
AT (1) ATE75926T1 (fr)
DE (1) DE3821289A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9017395U1 (de) * 1990-12-22 1991-03-14 Franke GmbH & Co KG, 7460 Balingen Schwenkbeschlag für Möbel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE794407A (fr) * 1972-03-27 1973-05-16 Lanz Ag Hermann Dispositif de reglage pour un siege ou un lit

Also Published As

Publication number Publication date
DE3821289A1 (de) 1989-12-28
EP0348605A1 (fr) 1990-01-03
ATE75926T1 (de) 1992-05-15

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