EP0685184B1 - Furniture frame, especially table frame - Google Patents

Description

The invention relates to a furniture frame, in particular a table frame, according to the preamble of claim 1.

In this known furniture frame (DE-PS 24 15 572) can by pivoting the support parts, the plate, for example a table top can be in an upper one and be adjusted to a lower position of use. On the intermediate links are the ends of two connecting parts articulated, which stiffen the furniture frame and too ensure perfect synchronization during the adjustment process. Enclose in the upper position of use of the furniture frame the stacked stand parts, the intermediate link and the support parts together with the Plate a free space, in the direction of the swivel axes of the Seen furniture rack. The connecting parts run in the upper position of use almost halfway up of the furniture frame. These connecting rods affect the legroom considerably.

The invention has for its object the generic Form furniture frame so that in the upper Do not use the legroom or only at all is little affected.

This object is achieved according to the invention in the generic furniture frame with the characterizing features of the claim 1 solved.

In the furniture frame according to the invention, the middle part runs of the connecting part in the area outside the Free space, in the direction of the swivel axes of the furniture frame seen. As a result, the furniture frame according to the invention optimal legroom in its upper Position of use. Because the ends of the connecting part from their articulation points on the intermediate links upwards the legroom will not run through them impaired.

Further features of the invention result from the others Claims, the description and the drawings.

Fig. 1

in Seitenansicht ein erfindungsgemäßes Möbelgestell,

Fig. 2

eine Ansicht in Richtung des Pfeiles II in Fig. 1,

Fig. 3

in einer Darstellung entsprechend Fig. 1 eine zweite Ausführungsform eines erfindungsgemäßen Möbelgestells,

Fig. 4

eine Ansicht in Richtung des Pfeiles IV in Fig. 3 sowie teilweise im Schnitt,

Fig. 5

in explosiver Darstellung und teilweise im Schnitt die Anlenkung einer Verbindungsstange des Möbelgestells gemäß Fig. 3,

Fig. 6

in einer Darstellung entsprechend Fig. 1 eine dritte Ausführungsform eines erfindungsgemäßen Möbelgestells,

Fig. 7

einen Schnitt längs der Linie VII-VII in Fig. 6,

Fig. 8

in explosiver Darstellung und im Schnitt die Verbindung eines Mittelteiles der Verbindungsstange des Möbelgestelles gemäß Fig. 6 mit ihren Enden,

Fig. 9

im Schnitt und in Ansicht in Richtung des Pfeiles IX in Fig. 6 ein Ende der Verbindungsstange des Möbelgestelles gemäß Fig. 6,

Fig. 10

in explosiver Darstellung und im Schnitt das Ende der Verbindungsstange und dessen Anlenkung am Möbelgestell.

The invention is explained in more detail with reference to some embodiments shown in the drawings. Show it

Fig. 1

a side view of a furniture frame according to the invention,

Fig. 2

2 shows a view in the direction of arrow II in FIG. 1,

Fig. 3

1 shows a second embodiment of a furniture frame according to the invention,

Fig. 4

4 shows a view in the direction of arrow IV in FIG. 3 and partly in section,

Fig. 5

in an explosive representation and partly in section the articulation of a connecting rod of the furniture frame according to FIG. 3,

Fig. 6

1 shows a third embodiment of a furniture frame according to the invention,

Fig. 7

a section along the line VII-VII in Fig. 6,

Fig. 8

in an explosive representation and in section the connection of a middle part of the connecting rod of the furniture frame according to FIG. 6 with its ends,

Fig. 9

in section and in view in the direction of arrow IX in FIG. 6, one end of the connecting rod of the furniture frame according to FIG. 6,

Fig. 10

in an explosive representation and in section the end of the connecting rod and its linkage to the furniture frame.

The furniture frame is in caravans, cabins or the like used and can from the in the drawings shown upper use position in a lower Use position can be adjusted in which there is only little Height.

1 has a stand 1, the two opposing stand parts 2 and 3 having. They are perpendicular to one foot 4 each, 5, with which the furniture frame on a surface stands. The feet 4, 5 extend perpendicular to the Stand parts 2, 3 and parallel to each other. At the bottom The end parts 2, 3 are joined together by a frame 6 connected. It is advantageously arranged upright and contributes to a high rigidity of the frame at. The frame 6 also connects the two feet 4, 5 together.

At the upper ends of the stand parts 2, 3 are over each other parallel axes 7 and 8 the lower ends of Intermediate links 9 and 10 articulated in the upper Use position of the furniture frame according to FIG. 1 in Side view of a continuation of the stand parts 2, 3 form. The pivot axis 7 is on the intermediate link 10 facing away from the intermediate link 9 is provided. The other pivot axis 8 lies approximately in half Width of the intermediate link 10.

At the upper end of the intermediate link 9, 10 is about each an axis 11, 12 the lower end of each Carrier part 13, 14 of a carrier articulated. On hers the upper end are the support parts 13, 14 by an upper Longitudinal frame 15 connected to each other. At each other facing outer sides of the carrier parts 13, 14 is in each case an angular fitting 16, 17 is provided, the Tops with the top of the longitudinal frame 15 in lie on a common level and for fastening one Serve furniture plate or the like. The fittings 16, 17 extend perpendicular to the carrier parts 13, 14 and to the longitudinal frame 15 and protrude on both sides of this about. This makes the furniture panel or the like flawless supported.

The pivot axis 11 with which the intermediate link 9 and the carrier part 13 articulated together are approximately half the width of the intermediate link 9 or the carrier part 13. The pivot axis 12 is on the side of the intermediate link facing away from the intermediate link 9 10 provided.

In the upper position of use shown in FIG. 1 the furniture frame has its greatest height. The stand parts 2, 3, the intermediate links 9, 10 and the carrier parts 13, 14 each lie vertically one above the other and in alignment to each other and enclose one together with the plate Free space 54, in the direction of the pivot axes 7, 8, 11, 12 seen. So that the furniture frame this upper position of use maintains is a (not shown) Locking device 18 is provided, which is a U-shaped Bracket 19 has. It is near the top attached to the intermediate link 9 and has two congruent lying leg 20 on the opposite of each other Outside of the intermediate link 9 rest. In the upper position of use according to FIG. 1 these legs 20 are also on the opposite one another Outside of the carrier part 13. The two Legs 20 are interconnected by a crosspiece 21 connected, on the outside facing away from the carrier part 14 of the support member 13 extends.

On one of the legs 20 of the mounting part 19 is one (not shown) locking opening or a locking part provided, while on the carrier part 13 a corresponding Locking part or a corresponding locking opening provided is. The furniture frame is in the upper position of use adjusted, the locking part automatically snaps into the Rest opening. This prevents the Carrier parts 13, 14 having carrier 22 unintentionally can swing back. In the upper position of use the crosspiece 21 abuts the support part 13.

The stand parts 2, 3, the intermediate link 9, 10 and the Carrier parts 13, 14 are advantageous by U-profile parts educated. They are arranged so that the legs of the opposing profile parts to each other are directed. To adjust the furniture frame in To lighten the upper position of use is in the stand part 3 a gas spring (not shown), tension spring, Compression spring and the like. Housed with the intermediate link 10 is connected.

To put the furniture frame in the lower position of use adjust, the lock between the support part 13 and the intermediate link 9 solved in a known manner. Then the carrier 22 is pivoted in the direction 23, wherein the support members 13, 14 about the axes 11, 12 with respect to the intermediate links 9, 10 are pivoted. In the further The intermediate links 9, 10 are lowered about the axes 7, 8 pivoted downward in the direction of arrow 24. Then lie in the lower position of use the intermediate links 9, 10 next to the stand parts 2, 3, while the carrier parts 13, 14 next to the intermediate links 9, 10 lie. In this lower position of use again a locking of the in a known manner Furniture frame. The plate located on the carrier 22 then lies approximately at the height of the upper ends of the stand parts 2, 3.

The stand parts 2, 3, the intermediate links, are advantageous 9, 10 and the carrier parts 13, 14 approximately the same Length. This has the furniture frame in the lower position of use only a small height while it is in the high use position has a high height.

The two intermediate links 9, 10 are by at least a connecting rod 25 connected to each other with their ends parallel to the pivot axes 7, 8, 11, 12 Axles 26 and 27 articulated with the intermediate links connected is. Seen in top view of the furniture frame, is the connecting rod 25 in the area outside the intermediate link 9, 10 or the stand parts 2, 3 and the carrier parts 13, 14 so that they the adjustment movement of the furniture frame is not hindered. The connecting rod 25 is horizontal in every swivel position.

The pivot axes 26, 27 are provided on tabs 28 and 29, on the bracket part 19 and on the intermediate link 10 are arranged. As shown in Fig. 1, the tab is 28 on the side facing away from the intermediate link 10 about the bracket part 19 so that the pivot axis 26 is at a distance from the intermediate link 9. The tab 29 protrudes over the intermediate link 10 in the direction of the intermediate link 9. The pivot axis 27 is at the free end the tab 29 is provided and is therefore within the Furniture frame or the free space 54, in the direction of Swivel axes 7, 8, 11, 12 seen.

The two tabs 28, 29 are in a common one Level immediately next to the intermediate link 9 or 10. The pivot axes 26, 27 are located from the tabs 28, 29 on the side facing away from the intermediate links 9, 10 vertically from (Fig. 2). The ends 30, 31 of the connecting rod 25 are near the free end of axes 26, 27 attached so that they are sufficiently spaced from the tabs 28, 29 and thus when adjusting the furniture frame can be moved freely.

The two ends 30, 31 of the connecting rod 25 are towards the middle part 32 downwards in the same direction bent, the end 30 with respect to the middle part obtuse and the end 31 with respect to the middle part bent at an acute angle. The connecting rod 25 extends in the upper position of use of the furniture frame over most of it Length at the height of the longitudinal frame 15 and with a small distance beside her. The bent ends 30, 31 are arranged that they are little in the of the stand parts 2, 3, the intermediate links 9, 10 and the support parts 13, 14 enclosed area of the furniture frame protrude in the direction seen its pivot axes 7, 8, 11, 12. Thereby shows the furniture frame in the upper position of use optimal legroom. Therefore it does not exist the danger that the people using the furniture frame with her legs accidentally on the connecting rod Toast 25.

The furniture frame according to FIGS. 3 to 5 is fundamental trained the same as the embodiment 1 and 2. It has the stand 1a with the stand parts 2a, 3a, articulated via the intermediate links 9a, 10a with the carrier parts 13a, 14a of the carrier 22a are connected. As in the previous embodiment are the stand parts 2a, 3a, the intermediate links 9a, 10a and the carrier parts 13a, 14a in the upper position of use (Fig. 3) essentially flush with one another. The connecting rod 25a has a rectangular shape Cross section and is arranged upright. This takes the connecting rod 25a takes up little space and does not interfere with the use of the furniture frame. The End 30a of connecting rod 25a is in the same way bent as in the previous embodiment. The opposite End 31a of the connecting rod, however, is bent downwards at a right angle and lies in the upper use position of the furniture frame, in side view seen within the carrier 22a with little Distance to the carrier part 14a. The middle part 32a of the Connecting rod 25 lies in over its entire length Height of the longitudinal frame 15a with a small distance next to it. The rod end 30a runs as in the previous embodiment so sloping that it is only in the corner area between the upper longitudinal frame 15a and the carrier part 13a protrudes into the furniture frame, in side view according to Fig. 3 seen. This also applies to this furniture frame optimal legroom in the upper position of use (Fig. 3) guaranteed.

The ends 30a, 31a of the connecting rod 25a are in articulated in the same way on the respective tab 28a, 29a. Therefore, only the articulation on the Tab 29a explained in more detail with reference to FIGS. 3 and 4.

The tab 29a stands on that facing away from the carrier part 14a Side a bolt 33 vertically from the near has a circumferential groove 34 at its free end. she has one towards the free end of the bolt 33 conical tapered bottom that turns into a radial lying annular blocking surface 35 passes.

The end 31a of the connecting rod 25a is in a receptacle 36 of a coupling part 37 inserted. The coupling part has a plug 38 with a central through opening 39 into which the bolt 33 in assembled position protrudes. The opening 39 is perpendicular to Take 36 and cross it. In the recording 36 that is Rod end 31a held positively. For the passage of the bolt 33 is the rod end 31a with a Through opening 40 provided through which the bolt protrudes. In this way the rod end 31a becomes without additional Components securely connected to the coupling part 37.

Near the end facing away from the tab 29a stands from Plug part 38 perpendicular to the axis of a receiving part 41 in which the receptacle 36 is provided.

From the inner wall of the opening 39 are over the circumference distributed spring tongues 42 obliquely inwards from (Fig. 5), which in the installed position in the groove 34 of the Engage bolt 33.

With the coupling part 37 and the bolt 33 is a very easy assembly guaranteed. First, the rod end 31 pushed into the receptacle 36 until the Rod end abuts the bottom of the receptacle 36. Then lies the through opening 40 of the rod end 31a in alignment to the opening 39 of the plug-in part 38. Then the Coupling part 37 pushed onto the bolt 33. The spring tongues 42 here because they are in the direction of insertion are inclined forward and radially inward, elastically bent so far until it is in the groove 34 of the Can snap 33 bolts. Because the spring tongues 42 on the side of the Rod end 31a is the connecting rod 25a by the bolt 33 against being pushed out of the coupling part 37 secured. He can on the bolt 33 at Adjust the furniture frame from the lower to the upper position of use and vice versa in the required Rotate dimensions.

The coupling part 37 with the plug-in part 38 and the receiving part 41 is advantageously in one piece, in particular as a plastic part.

Otherwise, the furniture frame according to FIGS. 3 to 5 trained the same as the embodiment of the 1 and 2.

The furniture frame according to FIGS. 6 to 10 also has a connecting rod 25b so formed and arranged is that the furniture frame in the upper position of use (Fig. 6) ensures optimal legroom. In contrast to the previous exemplary embodiments the connecting rod 25b is formed in several parts. It has the middle part 32b, which over its Length runs straight and with its ends over each a snap connection to be described with the ends 30b and 31b is connected.

The middle part 32b is arranged upright Flat piece formed, which increases the rigidity in half the width is almost the entire length Has bead 43. The two ends of the middle section 32b are designed as plug-in parts 44 and 45 which are flat along their length (Fig. 8). Near their free The ends of the plug-in parts 44, 45 each have a latching opening 46, 47.

The end 30b is angular and has one from the pivot axis 26b in the upper position of use of the furniture frame inclined part 48, which blends into a vertical part 49 at an obtuse angle. In the upper position of use shown in FIG. 6 seen in side view, this part 49 runs directly next to the side facing the carrier part 14b of the support part 13b. Part 49 is at the free end Formed a pocket into which the plug part 44 of the middle part 32b is inserted. In this bag 50 the plug part 44 is positively received. The one Wall of the pocket 50 has an obliquely bent outward tongue-shaped locking part 51, which in Plug direction of the plug part 44 to the front and at an angle is directed inwards. When inserting the plug-in part 44 in the pocket 50, the latching part 51 elastically bent back into the latch opening 46 of the plug 44 can snap.

End 31b is straight and extends along its length in the upper position of use of the furniture frame vertically from the pivot axis 27b above. At the top, away from the pivot axis 27b The rod end 31b is also at the end with a pocket 52 provided, in which the plug-in part 45 of the central part 32b is inserted. Which is a wall of the pocket 52 provided with a tongue-shaped locking part 53 (Fig. 7 and 8), as well as the latching part 51 in the direction of insertion of the plug part 45 directed forward and obliquely inwards is. If the plug part 45 of the middle part 32b inserted into the pocket 52, the locking part 53 becomes elastic bent back until it is in the locking opening 47 of the Plug part 45 can snap into place (FIG. 7). Then it is Plug part 45 properly secured against pulling out.

The two ends 30b, 31b advantageously consist of Plastic and are advantageously in one piece with the coupling part 37b trained. The coupling part has the central opening 39b (Fig. 10) which the bolt 33b of the Tabs 28b, 29b receives. The attachment of the coupling part 37b on the bolt 33b takes place in the same way as in the previous embodiment according to FIGS. 3 to 5. Unlike this embodiment, the end is 30b, 31b integrally formed with the coupling part 37b.

Since the middle part 32b with the two ends 30b, 31b in the way described is plugged in, can vary long furniture racks very easy with the respective connecting rod 25b are provided. It only different long middle parts 32b are to be used, which are connected to the ends 30b, 31b by insertion become.

The end 31b, viewed in a side view according to FIG. 6, runs in the upper position of use of the furniture frame immediately next to the carrier part 14b within the Furniture frame. The middle part 32b runs in this Position of use at the level of the upper longitudinal frame 15b of the furniture frame. This also applies to this furniture frame the legroom through the connecting rod 25b is not impaired. It is also about the snap connection described of ends 30b, 31b with tabs 28b, 29b the furniture frame ensures easy assembly. Otherwise, this embodiment is identical like the embodiment according to FIGS. 1 and 2.

Claims (10)

1. A furniture frame, in particular a table frame, comprising a stand (1) having vertically extending stand parts (2, 3) connected in an articulated manner via intermediate guide members (9, 10) to supporting parts (13, 14) of a support which carries a plate and is adjustable from an upper position of use, in which the stand parts, the intermediate guide members and the supporting parts extend upwards and, together with the plate, enclose a free space (54), downwards into a lower position of use, and comprising at least one connecting part (25, 25a, 25b), the ends of which are connected in an articulated manner to the intermediate guide members, characterised in that the ends (30, 31; 30a, 31a; 30b, 31b) of the connecting part (25, 25a, 25b) extend upwards from their articulation point (26, 27; 26b, 27b), and in that the centre portion (32, 32a, 32b) of the connecting part (25, 25a, 25b) in the upper position of use of the furniture frame extends at least substantially in the region outside the free space (54), viewed in the direction of the articulation axes of the furniture frame.
2. A furniture frame according to claim 1, characterised in that the centre portion (32, 32a, 32b) of the connecting part (25, 25a, 25b) extends directly below the plate.
3. A furniture frame according to claim 1 or 2, characterised in that the centre portion (32, 32a, 32b) of the connecting part (25, 25a, 25b) is arranged at the level of a longitudinal frame member (15, 15a, 15b) connecting the upper ends of the supporting parts (13, 14; 13a, 14a; 13b, 14b).
4. A furniture frame according to any one of claims 1 to 3, characterised in that the ends (30a, 31; 30b, 31b) of the connecting part (25a, 25b) are connected to the articulation pin (33, 33b) of the intermediate guide member (9a, 10a; 9b, 10b) via a respective coupling part (37, 37b).
5. A furniture frame according to claim 4, characterised in that the ends (30a, 31a) of the connecting part (25a) are formed as insertion members which are arranged in recesses (36) in the coupling part (37) and are secured therein preferably by means of the articulation pins (33) of the intermediate guide members (9a, 10a).
6. A furniture frame according to claim 5, characterised in that the ends (30a, 31a) of the connecting part (25a) have a through opening (40) for the articulation pin (33), and in that the through opening (40) is aligned with an opening (39) in the coupling part (37) for receiving the articulation pin (33).
7. A furniture frame according to either one of claims 5 and 6, characterised in that the articulation pin (33, 33b) has an annular grooove (34) in which resilient tongues (42) of the coupling part (37, 37b) engage, the resilient tongues (42) preferably being arranged on the side of the ends (30a, 31a; 30b, 31b) of the connecting part (25a, 25b) remote from the respective intermediate guide member (9a, 10a; 9b, 10b).
8. A furniture frame according to any one of claims 1 to 4 or 7, characterised in that the ends (30b, 31b) of the connecting part (25b) are formed in one piece with the coupling part (37b).
9. A furniture frame according to any one of claims 1 to 8, characterised in that the centre portion (32b) of the connecting part (25b) is plugged into the ends (30b, 31b) which are preferably provided with pockets (50, 52) for receiving the centre portion ends (44, 45).
10. A furniture frame according to claim 9, characterised in that the centre portion ends (44, 45) are held in a locked manner in the pockets (50, 52) of the ends (30b, 31b) of the connecting part (25b), the pockets (50, 52) preferably each having at least one locking tongue (51, 53) on the inside which engages in a locking opening (46, 47) in the centre portion ends (44, 45).

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