DE7143018U - HEIGHT-ADJUSTABLE BED FRAME - Google Patents

Description

Ann .: Draadindustrie Jonge Poerink B.V. Berns (Netherlands) Bed frame adjustable from the hat

The innovation relates to a height-adjustable Bed frame with a mattress support surface that extends from a pedestal is carried, which is designed as a spring-loaded scissor linkage from support trunks istj and a * locking device to fix the bed frame at least in the pushed apart and pushed together position, the latching device having a guide has sliding and lockable pin therein, which is connected to the scissor linkage.

A bed frame of the type mentioned is known (DT-Gbm 1 924 525), in which a scissor-type linkage enables the mattress support surface to be height-adjustable is; There is also a clamping screw as a locking device, which is attached at the level of the support surface. In the known bed frame, however, it is disadvantageous that the locking device is relatively uncomfortable to use; in particular, it is not possible to trigger it with just a single movement. In addition, there is a set screw

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with damp hands - for example after washing children - only with difficulty zv b * divn «u iöi.

Accordingly, the task arises of designing the bed frame in such a way that the bed frame is only fixed and released be done by pulling or pushing a handle in the upper or lower position, with a special guide for the locking elements, as is not required for the utility model 1 924 525.

The solution of gave "allows a bed frame, wherein the locking device of at least one & m End""he supporting = aim of the scissor linkage below the supporting surface-mounted guide plate, wherein the projecting from the neck brace pin in an acutely angled L-shaped cutout of the plate led is, the longer part of which is designed as an inclined slot and the shorter part of which is designed as a latching bulge.

The locking device according to the innovation includes in an advantageous development a locking pawl, of which in the drawing shows an appropriate exemplary embodiment. The individual features are in the subclaims described. The drawing shows in detail:

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Figure 1 is a perspective view of the bed frame in use position;

Figure la the bed frame in the folded position as well the associated arrangement of the locking device,

Figure 2 to 6 further phases of erecting and laying down of the bed frame With the associated position of the locking device and

Figure 7 the folded bed frame, which is under a another bed is pushed.

The bed frame, as can best be seen in FIG. 1, has a support surface 1 for a mattress. The support door 1 is supported by two scissor rods 2 and worn, each of which consists of a pair of support struts 2a and 2b and 3a and 3b, respectively. Each pair of support struts 2a, 2b and 3a, 3b is around a common axis 4 as Adjustable joint.

The support struts 2a, 2b, 3a and 3b are attached to one of two baseboards 5 and 6 at their end remote from the support surface. On the baseboards 5 and 6 rollers 7 'are arranged with which the bed frame stands on the floor. The rollers 7 are designed to be rotatable in a known manner, not shown, on a vertical axis so that the bed can be rolled without difficulty.

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the Baseboards 5 and ι ι t ») ι ι ι
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- 4 - from the Stutzstre- Vicinity short Tabs 8 the end, 6 go each one ben between

divided · Tension spring 9 and IG is stretched. The tension springs 9 and 10 try to use their tensile force to bring the bed frame into the upright position and work at the same time the weight of the support surface 1 and any mattress and the like lying on it. By an adjusting device 11, the tensile force of the two springs 9 and 10 can be adjusted so that they dee weight resting on scissor rods 2 and 3 straight about equalize. As a result, the bed frame by pulling or practically without effort by a person Pressure cm handle 12 can be opened or folded. The frame can be folded from its folded position (cf. Figure la, 6 and 7) are pulled apart by pulling on the handle 12 upwards, the plate 15 on the is most conveniently pressed down with the foot.

The two support struts 2a and 3a are each provided with a horizontal axis 14 hinged to the support surface. The other two support struts 2b and 3b are involved the support surface 1 together via a latching device 15, which not only allows them to pivot about a horizontcle axis, but also additional adjustment options permitted. The training described below

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tion of the locking device 15 is the main object of the figures la to 6.

Each support strut 2b and 3b lies with its end between two parallel η guide plates 16 and 17, which are on the support surface 1 are attached. The front guide plate 16, which is only visible in Figures la to 7, has an obliquely running slot 18 with an upwardly angled latching bulge 19. In the out the oblique slot 18 and the bulge 19 formed elongated hole guide of the plate 16 engages a pin 20, which proceeds from the support strut 2b or 3b. The pin has a horizontal longitudinal axis and a smaller diameter D than the inclined slot 18 and the bulge 19 are wide.

A locking pawl 21 is articulated on the plate 16 and is freely movable about the axis of rotation 22. Without external influence takes the pawl 21 due to its shape and the mass distribution given thereby under the action of Gravity the position shown in Figure la.

In the folded position of the bed frame according to Figure la is the pin 20 of the support strut 2b - and a corresponding pin of the support strut 3b - at the outermost End of the inclined slot 18. Should the bed frame in the

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Use position are unfolded, nan pulls in the direction of the arrow PfI on the handle 12 upwards, the Extension springs 9 and 10 nit help, as already described above. When you pull it up, the scissor linkage swivels 2 and 3 apart and the pin 20 slides in the slot 18 towards the pawl 21. The pawl 21 has a control nose 23, the distance d of which from opposite Edge of the slot 18 is smaller than the diameter D of the pin. Due to these proportions, it pivots the pin 20 moves the freely movable pawl 21 to the side, as shown in FIG. This is for the Pin the access to the locking recess 19 free.

After the pin 20 has reached the latching bulge 19, the support surface 1 is pressed down (arrow Pf2 in FIG. 3) until the pin 20 hits the upper edge of the bulge 19. In this position shown in Figure 3 Latching device, the frame has reached its position of use and the support surface 1 can be loaded without that the bed frame collapses by itself.

The folding of the bed frame from the position of use is done solely by pulling or pushing the handle 12, wherein the locking device 15 automatically and without additional operation assumes the correct position, as shown on the basis

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4 to 6 is explained. First, the frame is pulled in the direction of arrow Pf 1 (Figure 4) pulled up a little by hand. The guide plates 16 go up and the pin 20 slides back into the inclined slot 18, wherein it pivots the pawl 21 to the side. As soon as the pin is in the position shown in FIG reached, the pawl swings back into its rest position under the action of gravity; thereby covers your Nose 23 from the access to the locking recess 19. Well prints one on the handle 12 in the direction of the arrow Pf2 (Figure 5) downwards, so that the pin 20 slides along the lower edge of the pawl nose 23, the pawl slightly is pivoted clockwise. Finally, when you push down further, the pin reaches the Support surface 1 the position shown in Figure 6, iti which the bed frame is folded back into its rest position. The bed frame, reduced in height, can can be rolled under another bed frame 24 shown in FIG. 7, so that the space required for two beds as long as one of them is not in use, it is the same size as it is for a bed.

The exemplary embodiment shown of the height-adjustable The bed frame and in particular the latching device 15 can still have some modifications that are apparent to a person skilled in the art

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Experienced. For example, the locking pawl 21 can be under the action of a spring which the pawl is in front of. dsr
Position nacii Figure 2 to 4 into the starting position according to Figure la, 5 and 6 seeks to pivot. Fe-nor can of
Angled slot 18 extends from a plurality of bulges similar to the Rastcus bulge 19, with which also pawls 21 cooperate, so that the bed frame can be used in different chicken positions.

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Claims (4)

Protection claims: 1 * Height-adjustable bed frame with a mattress pad, which is carried by a pedestal, which is a spring-loaded scissor linkage made of support struts is formed, and a locking device for fixing the bed frame at least in apart and pushed together position, the latching device having a guide with a pin sliding and lockable therein, which is connected to the scissor bars, characterized, da £ di; Latching device (15) made up of at least one at the end the support struts (2b) of the scissor linkage (2) below the guide plate (16) attached to the support surface (1) consists, with the pin (20) protruding from the support strut in an acute-angled L-shaped cutout the plate (16) is guided, the longer part of which as an inclined slot (18) and the shorter part of which as a latching bulge (19) are formed. 2. Bed frame according to claim 1, characterized by at least one pivotably attached to the guide plate (16) Closing pawl (21), the pivot axis of which is above the notch (19). 7143018 04/01/76 II * I I »1 I > J t * SI - '1 »ti. II · » I i 1 - ίο - 3. Bed frame according to claim 2, characterized in that the closing latch (21) is E-shaped and you middle bar is designed as a Steueraee (23). 4. Bed frame according to one of claims 1-3, characterized in that that from the inclined slot (18) several Rastau sbuchiun gene (19) go out, each with a locking pawl (21) are provided. 7143018 04/01/76