Dynamic seating support system

A - Human Necessities – 47 – C

Patent

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Details

A47C 4/54 (2006.01) A47C 27/10 (2006.01) A61G 5/10 (2006.01) A61G 7/057 (2006.01)

Patent

CA 2237580

A seating support cushion system (10) has a seat cushion (14) with an H-shaped inflatable cell (45) that is inflated alternatingly with a pair of inner cells (54, 56) fill in the voids of the "H" shape, with one cell (56) in the rear of the cushion (14). This rear cell (56) also preferably has a recess (60) and a secondary crossbar portion (56a) adjacent to the crossbar cell (44). A back cushion (12) has two sets (18, 25) of alternatingly inflated, laterally extending cells (19-23, 26-29) forming a spinal recess (27a) and a pair of inflatable, opposing, and longitudinally extending side support cells (32, 34) positioned adjacent to the outer edges of the laterallly extending back cells (19-23, 26-29).

L'invention concerne un système (10) formant un coussin de soutien en position assise, comprenant un coussin (14) formant un siège, pourvu d'une cellule gonflable (45) qui est gonflée de façon que les branches du H alternent avec une paire de cellules intérieures (54, 56) placées dans les espaces définis par le H, une cellule (56) étant située à l'arrière dudit coussin (14). Cette cellule arrière (56) comporte également, de préférence, une cavité (60) et une partie secondaire transversale (56a) adjacente à la cellule transversale (44). Un coussin (12) formant un dossier comprend deux ensembles (18, 25) de cellules (19-23, 26-29) gonflées et alternées, s'étendant latéralement et formant une cavité (27a) destinée à la colonne vertébrale de la personne assise, et une paire de cellules de soutien latérales (32, 34) gonflables, situées sur les côtés opposés, s'étendant dans le sens longitudinal et contiguës au bord extérieur des cellules de dossier (19-23, 26-29) s'étendant latéralement.

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