Inflatable, "telescopic" cells for cushions and mattresses

Beds – Support for users body or part thereof – Removable support specially adapted for seating

Patent

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Details

5449, A47C 2708, A47C 2710

Patent

active

055332200

ABSTRACT:
The present invention elates to inflatable cells for cushion and mattress elements, and in particular for medical applications, the elements comprising a soleplate that has a bottom support surface that is plane plus said telescopic cells that extend perpendicularly from and that are fixed to said soleplate in a matrix that covers the top surface of the element, each cell being made out of a flexible material forming an airtight external skin that encloses an internal volume, each of which is in communication with the internal volume of at least one adjacent cell. According to the invention, each of the lateral surfaces in a first opposite pair of lateral surfaces constituting each cell comprises three vertical flats that in the rest position form two concave edges, whereas the other two lateral surfaces of the cell comprise two vertical flats that form a single concave edge in the middle, with at last one of the three-flat lateral surfaces of any one cell facing a two-flat lateral surface of an adjacent cell.

REFERENCES:
patent: 3192540 (1965-07-01), Swank
patent: 5052068 (1991-10-01), Graebe
patent: 5369828 (1994-12-01), Graebe

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