EP0394733A1 - Dispositif de positionnement pour un support de tête ou de pied - Google Patents

Dispositif de positionnement pour un support de tête ou de pied Download PDF

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Publication number
EP0394733A1
EP0394733A1 EP90106756A EP90106756A EP0394733A1 EP 0394733 A1 EP0394733 A1 EP 0394733A1 EP 90106756 A EP90106756 A EP 90106756A EP 90106756 A EP90106756 A EP 90106756A EP 0394733 A1 EP0394733 A1 EP 0394733A1
Authority
EP
European Patent Office
Prior art keywords
head
articulation
toothed rail
foot plate
shaped
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
EP90106756A
Other languages
German (de)
English (en)
Other versions
EP0394733B1 (fr
Inventor
Kurt Ehrenberg
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 AT90106756T priority Critical patent/ATE100292T1/de
Publication of EP0394733A1 publication Critical patent/EP0394733A1/fr
Application granted granted Critical
Publication of EP0394733B1 publication Critical patent/EP0394733B1/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 reversible head or foot switch in an upper position with a plurality of step detents for pivotable frame parts such as mattress frames, consisting of a toothed rail, the articulation end of which is detachably attachable to a lower fastening element fastened to the wooden or tubular steel frame, in one piece Part of a U-shaped support with two articulation struts, the elastic articulation ends of which can be clamped into an upper fastening element, a swivel joint for connecting the articulated end of the toothed splint to the articulated end of the support and a support strut articulated on the support, the catch end of which interacts with the respective catch teeth in the individual catch stages , and with a slide as a control element for the restless return of the head or foot switch to its starting position.
  • the head or foot plate was connected to this frame part before the completion of the frame by means of a fastening element which was riveted or welded to the corresponding frame part.
  • the head or foot switch had to go through the production line for the assembly of the frame, which had disadvantages. It was not common to design the fastening elements and the articulation ends of the head or foot plate so that the fastening elements were firmly connected to the corresponding frame part before the frame assembly and could be combined with the head or foot plate after passing through the assembly line.
  • an upper mounting plate for a head or foot plate consisted of two angles and a base plate, which was attached to the movable frame part.
  • the corresponding articulation ends of the support of the head or foot plate had pivots which could easily be inserted into the rotary openings in the angles of the mounting plate due to the elastic design of the articulation ends.
  • the lower mounting plates for hanging the racks had spaced flat swivel pieces, which were only connected on one side to the lower mounting plate.
  • the corresponding swivel openings on the articulated ends of the toothed rails could be pushed sideways onto the free end of the swivel piece.
  • Such mounting plates for articulating the head and foot plates on the mattress frame or on the movable frame parts are in need of improvement.
  • the lower fastening plates for the toothed rails are susceptible to the bending moments that are constantly exerted on the swivel pieces with an acceptable material and fastening effort.
  • the lower mounting plates tended to loosen or bend over time, so that proper articulation of the toothed rails to the mattress frame was permanently disturbed.
  • the object of the present invention is not only to improve the stability of a head and foot plate of the type described above, but also to improve the safety and rigidity of its fittings which improve the mattress frame or the movable frame part with the scarcest use of materials .
  • the lower fastening element includes a flat pivot piece arranged between two angles and the legs of the articulation end of the U-shaped toothed rail with slot-provided articulation openings, in that the articulation struts of the carrier are L-shaped inwardly bent upper stiffening edges and the angles of the upper connecting element slip channels to rotary openings for outwardly projecting bearing pins on the pivot ends of the carrier, and that the slide is guided as a control element for restless return within the U-shaped toothed rail in longitudinal beads, which at the same time stiffening beads for the rack is.
  • the toothed rail and the support of the head or foot plate according to the invention are inherently load-resistant in any direction with relatively thin sheet metal.
  • the lower fastening element designed according to the invention withstands high permanent loads.
  • the flat swivel is securely attached between the two angles of the fastener, which in turn are firmly connected to the frame.
  • the articulation openings of the toothed splint have slots which are directed in such a way that the toothed splint can be easily plugged onto its lower fastening element.
  • the slide is arranged as a control element for restless return within the U-shaped toothed rail. It is guided in outward-facing longitudinal beads, which are also stiffening beads for the toothed rail.
  • the upper and lower fastening elements can be attached to the frame or to the frame parts by means of single-hole, multi-hole or U profiles, regardless of whether frame or frame parts made of wood or metal tubes are used.
  • FIG. 1 a), 1 b) and 1 c) show an overall view of a head or foot switch which can be reversed in an upper position and has a plurality of step catches for pivotable frame parts such as mattress frames.
  • the head or foot plate 1 can connect a pivotable frame part 2 made of wood or metal tube 3 to a mattress frame 4 or metal tube 5.
  • the head or foot plate 1 consists of a toothed rail 6, which in the preferred exemplary embodiment is U-shaped and has a leg 7 with an upper longitudinal edge 8 and locking teeth 9 arranged therein, and a leg 14 with an upper longitudinal edge 15 and locking teeth 16 provided therein .
  • Both legs 7 and 14 have articulation ends 10 and 17, in which articulation openings 11 and 18, each with a slot 12 or 19, are arranged.
  • the legs 7 and 14 each have a longitudinal bead 13 or 20 and are connected to one another by a base 21 in which a longitudinal slot 22 with stiffening edges 23 or a longitudinal bead is provided. Both serve to stiffen the U-shaped toothed splint 6.
  • the toothed splint 6 also has a hinge end 25 which forms part of a swivel joint 56, through which the hinge end 45 of a carrier 43 is connected via a swivel pin, not shown.
  • the carrier 43 consists of a substantially U-shaped part 44 to which two articulation struts 46 and 50 are connected. Each articulation strut 46 or 50 has an inwardly bent stiffening edge 47 or 51.
  • the articulation struts 46 and 50 end in articulation ends 48 and 52, each with a bearing journal 49 and 53.
  • Stiffening beads 54 are provided in the articulation struts 46 and 50, and a stiffening bead 55 is provided in the bottom of the U-shaped part of the carrier.
  • a support strut 57 with a latching end 58 is provided between the toothed rail 6 and the carrier 43 and is operatively connected to a slide 59.
  • the latching end 58 of the support strut 57 snaps into the corresponding latching teeth 9 and 16 in the latched positions of the head or foot plate.
  • the slider 59 is designed in a manner known per se so that when the head or foot actuator is returned in its rest position, the detent end 58 can move freely above the detent teeth 9 and 16.
  • the slide 59 is enclosed by the upper longitudinal edges 8 and 15.
  • the slider 59 as can be seen above all in FIG. 1 c), is also guided in the stiffening beads 13 and 20 of the toothed rail 6, which give it additional stiffening.
  • 4 a) to f) show different designs of lower fastening elements 27 for the toothed splint 6 on the mattress frame 4 and 5.
  • the lower fastening element 27 consists in its basic structure of two angles 28 and 29 which are connected to one another by a flat swivel piece 30 are.
  • 4 c) to f) show how this basic structure of the lower fastening element 27 can be fastened to the mattress frame 4 or 5. In the simplest case, this can be achieved by a two-hole profile 31 follow, to which the two angles 28 and 29 are attached.
  • the angles 28 and 29 can also be attached to the mattress frame 4 and 5 by multi-hole profiles 32.
  • upper fastening elements 35 which likewise consist of angles 36 and 37, in which rotary openings 38 are provided.
  • slip channels 39 lead to the rotary openings 38, through which the bearing pins 49 and 53 on the articulation ends 48 and 52 of the articulation struts 46 and 50 move.
  • slip channels 39 facilitate the connection of the carrier to the associated upper fastening element 35, especially since the articulation struts 46 and 50 have a not inconsiderable inherent rigidity due to their inwardly bent stiffening edges 47 and 51.
  • the slip channels 39 can also run from “outside” to “inside”.
  • the upper fastening elements 35 with their angles 36 and 37 can be made by means of single-hole profiles 40 (FIG. 5 d), FIG. 5 e)) multi-hole profiles 41 (FIG. 5 b) and FIG. 5 f)) and U-profiles 42 (FIG. 5 c) and 5d)) are hinged to a pivotable frame part 2 or 3.
  • FIG. 1 and 3 show that the hinge end 45 of the carrier 43 is bent towards the swivel joint 56 towards the hinge end 25 of the toothed splint 6. This takes place at the end of the manufacturing operations of the carrier, the basic contour of which is first punched out of a blank and then gradually bent to the shape shown in dash-dotted lines in FIG. 3 b). Only when the deformation has ended by then is the joint end 45 in a last operation 3 b) "after In the process of producing the carrier 43, its articulation struts 46 and 50 - as shown in FIG. 3 a) - are also bent outwards into the dot-dash position in order to have a sufficiently large prestress in the upper fastening element 35.
  • the slots 12 and 19 are inserted in the articulation openings 11 and 18 on the flat pivot pieces 30 of the lower fastening elements 27.
  • This swivel connection between the lower fastening elements 27 and the toothed rail 6 is secure because of the angles 36 and 37 and their attachment to the mattress frame even under permanent load.
  • the direction of the slots 12 and 19 is chosen so that in the normal position of the toothed rail a falling apart of these connectors is impossible.

Landscapes

  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Health & Medical Sciences (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Aerials With Secondary Devices (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Door And Window Frames Mounted To Openings (AREA)
  • Golf Clubs (AREA)
  • Stringed Musical Instruments (AREA)
  • Hinges (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)
EP90106756A 1989-04-26 1990-04-09 Dispositif de positionnement pour un support de tête ou de pied Expired - Lifetime EP0394733B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90106756T ATE100292T1 (de) 1989-04-26 1990-04-09 Kopf- oder fusssteller fuer verschwenkbare rahmenteile.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3913821 1989-04-26
DE3913821A DE3913821C1 (fr) 1989-04-26 1989-04-26

Publications (2)

Publication Number Publication Date
EP0394733A1 true EP0394733A1 (fr) 1990-10-31
EP0394733B1 EP0394733B1 (fr) 1994-01-19

Family

ID=6379534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90106756A Expired - Lifetime EP0394733B1 (fr) 1989-04-26 1990-04-09 Dispositif de positionnement pour un support de tête ou de pied

Country Status (5)

Country Link
EP (1) EP0394733B1 (fr)
AT (1) ATE100292T1 (fr)
DD (1) DD293720A5 (fr)
DE (1) DE3913821C1 (fr)
HU (1) HU207652B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9113217U1 (de) * 1991-10-24 1991-12-05 RK Multi Tec GmbH & Co. KG, 5757 Wickede Vorrichtung zum Verstellen eines schwenkbaren Bettrahmenteiles
DE29719776U1 (de) 1997-11-07 1998-11-19 Recticel Internationale Bettsysteme GmbH, 59439 Holzwickede Stufenloser verstellbarer Hubbeschlag

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH569455A5 (fr) * 1974-07-12 1975-11-28 Lanz Hermann Ag
CH585540A5 (en) * 1975-06-13 1977-03-15 Lanz Ind Technik Ag Support plate for adjustable furniture - has pair of linked levers with toothed rack and sliding link and swivel end plate
EP0291840A1 (fr) * 1987-05-19 1988-11-23 Lanz Industrie-Technik Ag Dispositif de positionnement avec plusieurs pas pour un support de tête ou de pied

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2249159C3 (de) * 1972-10-06 1975-03-13 Robert Kahl, Rokado, 4755 Holzwickede Bettrahmen mit verstellbaren Kopf- und Fußteilen
DE7535240U (de) * 1975-11-06 1976-04-08 Hermann Lanz Ag, Murgenthal (Schweiz) Stuetzsteller

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH569455A5 (fr) * 1974-07-12 1975-11-28 Lanz Hermann Ag
CH585540A5 (en) * 1975-06-13 1977-03-15 Lanz Ind Technik Ag Support plate for adjustable furniture - has pair of linked levers with toothed rack and sliding link and swivel end plate
EP0291840A1 (fr) * 1987-05-19 1988-11-23 Lanz Industrie-Technik Ag Dispositif de positionnement avec plusieurs pas pour un support de tête ou de pied

Also Published As

Publication number Publication date
HU902580D0 (en) 1990-08-28
ATE100292T1 (de) 1994-02-15
HU207652B (en) 1993-05-28
EP0394733B1 (fr) 1994-01-19
DE3913821C1 (fr) 1990-12-06
DD293720A5 (de) 1991-09-12
HUT57019A (en) 1991-11-28

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