Beds – Bedclothing – And means to facilitate changing thereof
Patent
1994-08-17
1996-04-23
Trettel, Michael F.
Beds
Bedclothing
And means to facilitate changing thereof
59005, 5461, A47C 2708
Patent
active
055091539
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention is directed to an anatomically shaped air mattress, and more particularly to an anatomically shaped air mattress including pre-formed depressions for accommodating various anatomical features.
2. Description of Related Art
On a conventional air mattress, it is practically impossible to assume a comfortable body position which allows for unrestricted breathing when tanning one's back while lying face down. If one wants to keep the nose free in order to obtain unrestricted breathing, one is forced to cross one's arms under the forehead with the result that the neck and arms ache after a short time as the head is pressed into the neck and the arms are pressed upwards inside the shoulders. Additionally, the back starts to ache after lying on the front for some time, as, due to the flat horizontal base, the spinal column is forced into the position of a "hollow back". And finally, the legs and toes ache too, as they have to be bent sideways to avoid a perpendicular and therewith painful positioning on the base.
SUMMARY OF THE INVENTION
Conventional air mattresses are uncomfortable to lie on, if one wants to tan one's back. The present invention intends to remove this disadvantage. This object is achieved by a combination of the features of the claims.
BRIEF DESCRIPTION OF THE DRAWINGS
Subsequently a representative embodiment of the invention is illustrated with reference to the figures wherein
FIG. 1 is a perspective view of an anatomically shaped air mattress;
FIGS. 2 and 3 are side views of the air mattress with a person lying thereon;
FIG. 4 is a top view of the air mattress according to FIG. 1; and
FIG. 5 is a section along the line V--V in FIG. 4.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
The anatomically shaped air mattress illustrated in the drawings has a top surface 1, an approximately planar bottom surface 2, an end face 3 on a head end, an end face 4 on a foot end and two lateral sides 5. The top surface 1 has an approximately planar central section 6 for the resting of the chest and stomach of a lying person which extends approximately parallel to the bottom surface 2 and is spaced apart from both end faces 3, 4. In its head section the top surface 1 has an arc-shaped depression with a rest 9 for the forehead. This rest 9 lies deeper than the central section 6. The end section 10 which surrounds the rest 9 lies level with or slightly higher than the central section 6. Between the rest 9 and the central section 6 a recess 7 extends transversely of the lateral sides 5, the base 8 of which lies deeper than the rest 9. Adjoining the central section 6 towards the foot side, a hollow 11 for the accommodation of the legs extends partway across the width of the anatomically shaped air mattress. The foot side end of the hollow 11 and both lateral sections 12 to the side of the hollow 11 are of the same height as the central section 6. The central section 6 has a slope 13 towards the recess 7 on both the sides.
In order to achieve the described shape of the top surface 1 of the air anatomically shaped mattress, the top surface 1 and the bottom surface 2 are connected with each other in a known manner by means of longitudinal and/or lateral walls and/or by means of pipelike intermediate parts and/or stitchings. Of these connections, a lateral wall 15 in the hollow 11 is represented only diagrammatically. Evidently the top and bottom surfaces 1, 2 are slightly vaulted between these connections. The above-applied term "planar" is thus to be understood to the meaning.
As is illustrated in FIGS. 2 and 3, the described form of the anatomically shaped air mattress makes possible an entirely relaxed resting on the stomach on the top surface 1. The cervical column is noticeably relieved due to the lower positioning of the rest 9; thus a neckache is completely avoided. Due to the recess 7 the entire face (with the exception of the forehead), in particular the nose, is kept free and is surrounded by fresh air. Thereby a completely
REFERENCES:
patent: 1548728 (1925-08-01), Milam
patent: 3132899 (1964-05-01), Render
patent: 3363272 (1968-01-01), Channon
patent: 4054960 (1977-10-01), Pettit et al.
patent: 4665573 (1987-05-01), Fiore
patent: 4972535 (1990-11-01), Goldman
patent: 5224226 (1993-07-01), Groenewald
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