Beds – Hammocks – Couch hammocks
Patent
1990-04-23
1992-04-28
Luebke, Renee S.
Beds
Hammocks
Couch hammocks
5103, 248370, 297273, A63G 900
Patent
active
051075563
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to furniture for sitting or reclining.
There have already been a number of attempts made to replace sitting and reclining furniture, which up to now has been static, with dynamic furniture.
Rocking chairs have been known for a very long time; these incorporate a dynamic component, unlike other conventional chairs. The same applies to cradles, which have also been known for a very long time; these are particularly well-liked by children on account of their dynamic character and, in addition, promote sleep because of this characteristic.
Recently, the water bed has appeared on the market as a modern version of a dynamic bed. However, the water bed entails considerable disadvantages in that it takes up a relatively large amount of space, reacts very slowly to movement, is very heavy, and extremely costly. In addition, if the water leaks out, it can cause considerable damage. In addition, the water bed does not provide any continuous up and down movement and cannot provide a constantly even horizontal surface.
CH-PS No. 242 273 describes a seat that is supported on a hinged support and which is in steady equilibrium, from which position it can be deflected to a greater or lesser degree when loaded.
DE-GM 1 708 191 describes a seat that is installed on a rocking frame that can be locked if required. Such a rocking frame is not suitable for use in a bedroom or living room, however.
GB-PS No. 696 239 describes a rocking chair that can be move back and forth to a certain extent by a hinge system. Because of the friction that is generated at the hinge points, however, it requires a not inconsiderable amount of force to move it. Any sort of post-oscillation is precluded for all practical purposes.
DE-GM No. 8 222 691 describes a suspension that uses ropes, in which only a negligible amount of damping of the oscillatory movement takes place. In this known solution, however, there is only one characteristic frequency of the oscillating system, this resulting from the oscillating mass and the length of the ropes.
DE-PS No. 3 506 377, which constitutes a special category, describes oscillating, suspended sitting or reclining furniture; this incorporates a plurality of ropes that are connected functionally in series and are of different lengths and which therefore have different, adjacent characteristic frequencies.
It is the task of the present invention to create dynamic sitting or reclining furniture that even in the case of small impulses provides for almost undamped movement of not inconsiderable amplitude.
The solution entails the considerable advantage that even small impulses lead to relatively large oscillatory movements. The desired effect is enhanced thereby.
The present invention is described in greater detail below on the basis of an embodiment shown in the drawings appended hereto.
BRIEF DESCRIPITON OF THE DRAWINGS
FIG. 1 is a diagrammatic representation of a rope suspension;
FIG. 2 is a rope system as in FIG. 1 with bevelled fittings that enclose the ropes;
FIG. 3 is a plan view of a rope system with an adjusting disk;
FIG. 4 is a side view of a rope system with an adjusting disk.
FIG. 5 is a diagrammatic view on a smaller scale showing the furniture; and
FIG. 6 is a diagrammatic representation of an alternate embodiment.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
In FIG. 1, a total of four ropes 11, 11a are arranged in a housing 10 that in the embodiment shown is shaped like a truncated pyramid and stands on a solid base, for example, a floor, arranged in pairs, these ropes support a freely suspended bridge piece 12 and together with this bridge piece they form a trapezoid in such a manner that a right angle is formed as shown in FIG. 1 or an acute or an obtuse trapezoidal angle is formed as shown in FIG. 6. FIG. 1 shows the unswung position of the ropes. In FIG. 6, the unswung position is shown in solid lines and a swung position is shown in broken lines. In a mirror image to the arrangement of ropes 11 and bridge piece 12 there are additiona
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patent: 4567614 (1986-02-01), Haider
patent: 4615059 (1986-10-01), Darowski
patent: 4783863 (1988-11-01), Degen
patent: 4793009 (1988-12-01), Degan
patent: 4868939 (1989-09-01), Tagtow
Luebke Renee S.
Saether F.
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