Reclining and lying means, particularly for a bed

Beds – Bedsteads – Having bottom

Patent

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Details

5241, 5191, A47C 1700, A47C 2306

Patent

active

048275441

DESCRIPTION:

BRIEF SUMMARY
The invention relates to a reclining and lying means with a grating-like arrangement of a plurality of transverse laths, slats or battens arranged on a common support or substrate structure.


BACKGROUND OF THE INVENTION

The progressive constructional development of such reclining and lying means is essentially based on the criteria given hereinafter: constructed in such a way that, as a function of the weight, size and lying characteristics (reclining position) the body of the user is supported in an optimum manner and can rest in a relaxed state; adequately led away and breathing characteristics (ventilation) are ensured; and sought, whilst retaining the lying and reclining qualities. flexibly supporting resilient transverse laths, the individual lath forming the main spring element. The lath considered to be the main spring element generally has complicated multilayer gluing, in order to bring about the so-called camber. This camber ensures that under load, the individual spring laths are straightened and consequently the lying surface is "flat". This loading-dependent lying "plane" is matched to the load exerted by an average human being (generally with a height of 170 cm and a weight of 70 kg). This suffers from one of many disadvantages that a person weighing less, e.g. 50 kg and resting on the camber has less sleeping comfort, as does a heavier person, e.g. weighing 90 kg who lies on laths which have sunk down or sagged. Thus, in these circumstances, there is an uncontrolled springiness, on the basis of the overall spring action. The interaction with a sufficiently thick mattress reduces this discomfort, but in principle the fundamental defficiency remains.
Moreover, known lath grating beds are still relatively solid, heavy constructions with a plurality of individual elements, such as lath position stabilizers, which are generally centrally located, terminal flexible elements and their fixing to the lath and frame (it being impossible without the frame) together with the further refinenents based on additional or special laths, generally in special colours. Thus, to achieve a satisfactory individual spring action, considerable effort and expenditure are required, whilst still not always achieving the sought objective.
An object of the present invention is to provide and further develop a reclining and lying means of the aforementioned type, so that it is possible to satisfy the aforementioned requirements (criteria a,b,c), whilst ensuring a controllable spring action in a simple and economic manner.
According to the invention this problem is solved in that the springiness function of the lath elements arranged in grating-like manner is transfered to support elements (spring bodies) acting resiliently at right angles to their load and on which they are supported. Preferably the approximately regularly arranged lying laths with a covering structure (fabric structure) and the resiliently acting support elements form a constructional unit. The support elements (spring bodies) are preferably easily interchangeable, for controlling the spring strength, deflector, etc.
As a result of the lying surface according to the invention, it is possible to ensure a uniform springiness adaptable to the different human body weights and sizes over the entire surface, i.e. the lying plane functions together with the human body, independently of the mattress. The resilience or springiness is essentially defined by the elasticity of the support elements (spring bodies) running longitudinally and not by the lath elements in their grating-like arrangement and is preferably adapted by the spring bodies to the user's weight. In the case of misadaptation, the lying surface still remains flat and is merely considered to be too hard or soft.


BRIEF DESCRIPTION OF THE DRAWINGS

Embodiments of the invention are described in greater detail hereinafter relative to the drawings, wherein:
FIGS. 2 and 1A are schematic diagrams in side view of an unloaded and a loaded lying surface according to the prior art;
FIGS. 1 and 2A are schem

REFERENCES:
patent: 2225858 (1940-12-01), Church
patent: 2638606 (1953-05-01), Austin
patent: 3067438 (1962-12-01), Degen
patent: 4477935 (1984-10-01), Griffin
patent: 4559656 (1985-12-01), Foster
patent: 4644596 (1987-02-01), Husler

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